CN211872509U - Zero-clearance rear-mounted mold slip form paver - Google Patents

Abstract

A zero-clearance rear-mounted mold slip form paver belongs to the technical field of engineering machinery. Including host computer and rearmounted mould device of paving, the host computer includes crawler travel unit, lift stand device and engine assembly, and the rear side of lift stand device is connected with square frame platform, and rearmounted mould device of paving sets up in square frame platform below, rearmounted mould device of paving passes through hydro-cylinder elevating gear and is connected with square frame platform, and hydro-cylinder elevating gear is used for driving rearmounted mould device of paving to go up and down, still install the sensor of making level on the paver, the sensor of making level is used for controlling lift stand device and/or hydro-cylinder elevating gear's lift according to detected signal. The utility model discloses can be through the thickness of paving of sensor cooperation lift cylinder independent control forming die of making level, improve precision and the road roughness of making level.

Description

Zero-clearance rear-mounted mold slip form paver

Technical Field

The utility model relates to an engineering machine tool technical field specifically is a zero clearance postposition mould slipform paver.

Background

At present, the slip form construction process is widely applied to the construction of cement pavements. Compared with the traditional manual prefabrication method, the slip form construction method has the advantages of high construction efficiency, attractive profile modeling, reliable construction quality and the like. The slip form construction can finish the paving work of the cement road surface at one time, thereby greatly reducing the labor cost and shortening the construction period. The slipform paver is generally used for middle-mounted paving, and is generally applied to projects such as high-grade highways, large squares and the like due to good paving effect and stable structure.

The large middle-placed slip form paver has obvious defects: 1) the paving mould is arranged between the crawler belts on the two sides of the crawler belt walking device, so that the width of the roadbed is required to be larger than that of the road surface to be constructed, but construction conditions are not provided on rural roads, mountain roads and construction projects without widening the roadbed, and the application prospect of the slip form construction process on low-grade roads with limited roadbed width and multiple curves is restricted. 2) The thickness and the flatness of paving are adjusted through the lifting of the lifting upright post device, the precision is not high, and the pavement quality is influenced. 3) The vibrating device directly drives the oil cylinder which is vertically arranged to lift so as to realize height adjustment, the oil cylinder is close to the cement slurry pool, cement materials easily enter a piston rod of the oil cylinder, and the reliability of the oil cylinder is influenced; and the cement material is easy to enter the guide rail matched with the oil cylinder to cause the blocking.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a zero clearance rearmounted mould slipform paver can effectively solve the problem among the background art.

The technical scheme for realizing the purpose is as follows: zero clearance postposition mould slipform paver, including host computer and postposition mould paving device, the host computer includes track running gear, lift stand device and engine and hydraulic power assembly, and the rear side of lift stand device is connected with square frame platform, and postposition mould paving device sets up in square frame platform below, its characterized in that: the rear-mounted mould paving device is connected with the square frame platform through the oil cylinder lifting device, the oil cylinder lifting device is used for driving the rear-mounted mould paving device to lift, a leveling sensor is further installed on the paver, and the leveling sensor is used for controlling the lifting of the lifting stand column device and/or the oil cylinder lifting device according to detection signals.

The utility model has the advantages of compact structure, convenient disassembly and assembly, convenient transition, stable performance and the like; the utility model discloses a two crawler-type running gear to adopt the rearmounted mould to pave, complete machine focus stable in structure, crawler-type running gear's width no longer receives the restriction that the mould paved the device, therefore crawler-type running gear's width can be less than rearmounted mould paving device's width, thereby solved the restricted problem of road bed width that appears under construction work conditions such as rural and mountain area road, the overall arrangement is compact reasonable, complete machine length reasonable in design, turning radius is less.

When the slipform paver with the rear mold is used for transportation, the flat transport vehicle with the slope can be automatically lifted up and down without a lifting device.

The utility model discloses can be through the thickness of paving of sensor cooperation lift cylinder independent control forming die of making level, improve precision and the road roughness of making level.

Furthermore, the leveling sensors are provided in a group, the group of leveling sensors comprises four longitudinal slope sensors, the four longitudinal slope sensors are symmetrically arranged on the left side and the right side of the mold frame or the lifting upright post device, and the two longitudinal slope sensors on the same side are arranged in a front-back manner; when the four longitudinal slope sensors are arranged on two sides of the mold frame, the four longitudinal slope sensors are used for controlling the lifting of the oil cylinder lifting device, and when the four longitudinal slope sensors are arranged on two sides of the lifting upright post device, the four longitudinal slope sensors are used for controlling the lifting upright post device to lift.

Furthermore, the leveling sensors are provided with a group, the group of leveling sensors comprises two longitudinal slope sensors and two transverse slope sensors, the two longitudinal slope sensors are arranged in a front-back manner and are arranged on the left side or the right side of the mold frame or the lifting upright post device, the two transverse slope sensors are arranged in a front-back manner and are arranged in the middle of the width direction of the mold frame or the lifting upright post device, and the sensing ends face the ground; when two longitudinal slope sensors and two cross slope sensors are installed on the die frame, the two longitudinal slope sensors and the two cross slope sensors are used for controlling the lifting of the oil cylinder lifting device, and when the two longitudinal slope sensors and the two cross slope sensors are installed on the lifting upright post device, the two longitudinal slope sensors and the two cross slope sensors are used for controlling the lifting upright post device to lift.

Furthermore, two groups of leveling sensors are arranged, each group of leveling sensors comprises four longitudinal slope sensors, and the four longitudinal slope sensors of one group are symmetrically arranged on the left side and the right side of the mold frame and are used for controlling the lifting of the oil cylinder lifting device; the other group of four longitudinal slope sensors are symmetrically arranged on the left side and the right side of the lifting upright post device and are used for controlling the lifting of the lifting upright post device; two longitudinal slope sensors of two sets of longitudinal slope sensors that are located the homonymy all are arranging around being.

Furthermore, two groups of leveling sensors are arranged, each group of leveling sensors comprises two longitudinal slope sensors and two transverse slope sensors, wherein the two longitudinal slope sensors of one group are arranged in a front-back manner and are arranged on the left side or the right side of the mold frame, the two transverse slope sensors are arranged in a front-back manner and are arranged in the middle of the width direction of the mold frame, the sensing ends face the ground, and the group of leveling sensors are used for controlling the lifting of the oil cylinder lifting device; the other two longitudinal slope sensors are arranged in the front and back direction and are arranged on the left side or the right side of the lifting upright post device, the two transverse slope sensors are arranged in the front and back direction and are arranged in the middle of the width direction of the lifting upright post device, the sensing ends face the ground, and the leveling sensors are used for controlling the lifting of the lifting upright post device.

The rear-mounted die spreading device comprises a die frame, the die frame comprises a left side plate and a right side plate, a front baffle and a middle baffle frame which are arranged in a front-back manner are arranged between the left side plate and the right side plate, a feeding bin is formed between the middle baffle frame and the front baffle as well as between the left side plate and the right side plate, a vibrating device and a spiral distributing device which are arranged in a front-back manner are installed in the feeding bin, and a forming die installed on the middle baffle frame is arranged below the middle baffle frame; the middle baffle plate frame is formed by connecting a long baffle plate frame and short baffle plate frames positioned at two ends of the long baffle plate frame, the long baffle plate frame and the short baffle plate frames are respectively provided with a first square tube and a second square tube which are arranged in a front-back manner, two ends of the first square tube and the second square tube are respectively connected into a whole through flange plates, a middle baffle plate which is vertically downward is connected onto the first square tube, and two ends of the middle baffle plate are simultaneously connected with the flange plates at two sides; the flange plates of the adjacent short baffle frames are connected through a first bolt, and the flange plates of the middle baffle frame positioned at the leftmost end and the rightmost end are connected with the left side plate and the right side plate through a second bolt.

Further, the oil cylinder lifting device comprises four mould lifting oil cylinders which are respectively arranged at four corners of the square mould frame, the tail ends of the mould lifting oil cylinders are connected with the square mould frame, and the telescopic ends of the mould telescopic oil cylinders are vertically downward and connected with the mould frame;

the utility model discloses can adopt the modularized design at middle part baffle frame, can be taking apart left and right side board to baffle frame at middle part baffle frame both ends according to the baffle frame of road surface width connection different length specifications, with the different road surface width requirements of adaptation, elongated baffle frame all need correspond simultaneously and connect forming die, and also need correspond the extension to vibrating device and spiral distributing device.

Further, the two sides of the rear portion of the die frame are further connected with vertical supports, an upper hinge seat and a lower hinge seat which are matched with each other are arranged between the upper end of each vertical support and the square frame platform, the upper hinge seat is connected to the square frame platform, and the lower hinge seat is connected to the upper end of each vertical support.

When the paver is in a non-working state, the rear-mounted die paving device is lifted to a high position through the lifting oil cylinder, and then the upper support at the upper end of the vertical support is locked with the lower hinged seat on the square frame platform through the pin shaft, so that the pressure of the lifting oil cylinder is reduced.

Further, forming die is including being located three blocks of troweling boards under long baffle frame and two short baffle frames respectively, dock each other between the adjacent troweling board, and be whole through third bolted connection, be connected with one row of first bolted connection seat on the second side pipe of middle part baffle frame, be connected with first adjusting screw between first bolted connection seat and the troweling board of below, corresponding bolted connection seat is passed to first adjusting screw's upper end, and be connected with first nut, adjusting screw's lower extreme and troweling board of below are connected, the central point of troweling board of long baffle frame below puts and still is connected with second adjusting screw, still be connected with second bolted connection seat on the first side pipe of second adjusting screw top, second bolted connection seat is passed and is connected with the second nut to the upper end of second adjusting screw.

The utility model discloses a high position of troweling board can be adjusted to first adjusting screw, can make through second adjusting screw and form the arc between the adjacent troweling board to the road surface that the high both sides in adaptation middle part are low is laid.

Further, vibrating device includes mobilizable setting on a left side, the installation axle between the right side board, install the epaxial a plurality of vibrating rods that are connected with, the both ends of installation axle still are provided with a connecting plate respectively, the connecting plate is isosceles triangle, the apex angle end connection of connecting plate is at the installation epaxial, two footing of connecting plate up, every connecting plate correspondence is connected with a vibrating rod height control cylinder, vibrating rod height control cylinder sets up the rear side at corresponding connecting plate, vibrating rod height control cylinder's tail end articulates on the reinforcing connecting pipe that corresponds the side, flexible end is articulated with the footing that the connecting plate is located the rear side, the footing that the connecting plate is located the front side articulates on front baffle, vibrating rod height control cylinder is used for adjusting the height of installation axle through the connecting plate, thereby adjust and install the height of installing the epaxial vibrating rod of installation.

The vibrating rod of the utility model realizes height adjustment by driving the installation shaft to rotate through the vibrating rod height adjusting oil cylinder and is obliquely installed above the feeding bin, so that the lifting oil cylinder is far away from cement materials, and the working reliability of the oil cylinder is ensured; the guide rail structure is cancelled, so that the clamping cannot be caused; the front and back positions and the up and down positions of the vibrating rod can be automatically adjusted.

Further, spiral distributing device is including connecting the cloth driving motor cloth on left and right side board respectively, and driving motor's output sets up relatively and is connected with the pivot of setting in the feeding storehouse respectively, is connected with the helical blade who revolves to opposite in the pivot of both sides.

Furthermore, a spiral feeding device is arranged on a rack of the crawler traveling device on the front side of the main machine, the spiral feeding device extends to a feeding bin of the rear die paving device along the bottom of the engine assembly, a gap is reserved between the spiral feeding device and the feeding bin, the rear die paving device can conveniently lift relative to the main machine, the spiral feeding device is provided with a rectangular feeding groove with an opening at the upper end, a hopper is arranged on the feeding side of the rectangular feeding groove, and the hopper is arranged on the rack of the crawler traveling device; the output of rectangle chute feeder is provided with the discharge opening towards the feed bin downwards, is provided with two spiral conveying blades of arranging side by side in the rectangle chute feeder, and the rear end of rectangle chute feeder is connected with two actuating mechanism that drive two spiral conveying blade rotations respectively, and actuating mechanism adopts interconnect's rotary drive motor and speed reducer.

The utility model discloses a cement material of two sets of defeated material structures of spiral carries the material to rearmounted mould paving area in with the hopper, and defeated material is efficient to can realize secondary stirring function.

Furthermore, two pushing rollers which are arranged in the same straight line are arranged in front of the frame of the crawler walking device, the pushing rollers are connected to the frame of the crawler walking device through a connecting seat, and the pushing rollers are rotatably connected with the connecting seat; the push roller is used for being matched with the dump truck, is used for pushing the dump truck and receiving concrete materials, and the dump truck replaces a concrete tank truck to transport concrete, so that the problems of difficulty in loading and unloading low-slump concrete and low feeding efficiency in tank truck transportation are solved.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic structural diagram of a rear mold paving device;

FIG. 4 is a front view of the posterior mold paving apparatus;

FIG. 5 is a side view of a posterior mold paving apparatus;

FIG. 6 is a schematic structural view of a middle baffle frame;

FIG. 7 is a schematic structural view of a screw feeder;

FIG. 8 is a schematic diagram illustrating the installation locations of a set of leveling sensors in the mold leveling mode b;

FIG. 9 is a schematic diagram illustrating the installation locations of a set of leveling sensors in the host machine leveling mode a;

fig. 10 is a schematic diagram of the installation positions of a group of leveling sensors in the host machine leveling mode b.

Detailed Description

As shown in fig. 1-7, the utility model discloses a host computer 2 and rearmounted mould paving device 5, host computer 2 include crawler 1, lift stand device 3 and engine assembly 28, and the rear side of lift stand device 3 is connected with square frame platform 4, and rearmounted mould paving device 5 sets up the below at square frame platform 4.

Further explanation as this embodiment, crawler 1's width is less than rearmounted mould paving device 5, makes the utility model discloses can adapt to the construction with road bed equal width road surface.

The rear-mounted die paving device 5 comprises a die frame 5.1, the die frame 5.1 comprises a left side plate 5.2 and a right side plate 5.3, a front baffle 5.5 and a middle baffle frame 20 which are arranged back and forth are arranged between the left side plate 5.2 and the right side plate 5.3, the middle baffle frame 20 is formed by connecting a long baffle frame 22 and short baffle frames 21 positioned at two ends of the long baffle frame 22, the long baffle frame 22 and the short baffle frames 21 are respectively provided with a first square tube 5.10 and a second square tube 5.11 which are arranged back and forth, two ends of the first square tube 5.10 and the second square tube 5.11 are respectively connected into a whole through flange plates 5.14, the first square tube 5.10 is connected with a vertically downward middle baffle 5.4, the middle baffle 5.4 is connected with the front baffle 5.5, a feeding bin 5.6 is formed between the left side plate 5.2 and the right side plate 5.3, and two ends of the middle baffle 5.4 are simultaneously connected with the flange plates 5.14 at two; the flange plates 5.14 of the adjacent short baffle plates 21 are connected through first bolts, and the flange plates 5.14 of the middle baffle plate frame 20 positioned at the leftmost end and the rightmost end are connected with the left side plate 5.2 and the right side plate 5.3 through second bolts.

Two sides of the first square pipe 5.11 are respectively connected with a connecting column 5.12 which is vertically upward, a reinforcing connecting pipe 5.13 is respectively connected between the upper end of the connecting column 5.12 and the front baffle 5.5, and the reinforcing connecting pipe 5.13 is positioned above the first square pipe 5.10.

A vibrating device 5.7 and a spiral distributing device 5.8 which are arranged in front and back are arranged in the feeding bin 5.6, the vibrating device 5.7 comprises a movable mounting shaft 5.71 arranged between a left side plate 5.2 and a right side plate 5.3, a plurality of vibrating rods 5.72 are connected on the mounting shaft 5.71, two ends of the mounting shaft 5.71 are respectively provided with a connecting plate 5.73, the connecting plates 5.73 are isosceles triangles, the vertex angles of the connecting plates 5.73 are fixedly connected on the mounting shaft 5.71, two base angles of the connecting plates 5.73 face upwards, each connecting plate 5.73 is correspondingly connected with a vibrating rod height adjusting cylinder 5.74, the vibrating rod height adjusting cylinders 5.74 are arranged on the rear sides corresponding to the connecting plates 5.73, the tail ends of the vibrating rod height adjusting cylinders 5.74 are hinged on reinforcing connecting pipes 5.13 on the corresponding sides, the telescopic ends are hinged with feet of the connecting plates 5.73 on the rear sides, the connecting plates 5.73 are hinged on the front side feet of the front side, the connecting plates 5.73 are used for adjusting the height of the vibrating rods 5.71 through the mounting shaft 5.73, thereby adjusting the height of the tamper bar 5.72 mounted on the mounting shaft 5.71.

Spiral distributing device 5.8 is including connecting the cloth driving motor 5.81 between left side board 5.2 and right side board 5.3 respectively, and the output of cloth driving motor 5.81 sets up relatively and is connected with the pivot 5.82 that sets up in feeding storehouse 5.6 respectively, is connected with the helical blade 5.83 that turns to opposite on the pivot 5.82 of both sides.

A forming die 5.9 arranged on the middle baffle frame 5.4 is arranged below the middle baffle frame 5.4, the forming die 5.9 comprises three troweling plates 5.91 respectively positioned under the long baffle frame 22 and the two short baffle frames 21, the adjacent troweling plates 5.91 are mutually butted and connected into a whole through a third bolt, a row of first bolt connecting seats 5.93 are connected on a second square pipe 5.11, a first adjusting screw 5.94 is connected between the first bolt connecting seat 5.93 and the troweling plate 5.91 below, the upper end of the first adjusting screw 5.94 penetrates through the corresponding bolt connecting seat 5.93, and is connected with first nut, and adjusting screw 5.94's lower extreme is connected with the trowelling plate 5.91, and the central point of trowelling plate 5.91 of long baffle frame 22 below puts and still is connected with second adjusting screw 5.95, and the middle part of first square tube 5.10 is connected with second bolt connection seat 5.93, and second bolt connection seat 5.93 is passed and is connected with the second nut in the upper end of second adjusting screw 5.95.

The rear portion both sides of lift stand device 3 are connected with a vertical slide rail 3.5 respectively, be provided with vertical spout 3.1 that link up around on the slide rail 3.5, the both sides of anterior baffle 5.5 are connected with the forward sliding seat 3.2 of level respectively, sliding seat 3.2 passes the vertical spout 3.1 that corresponds the side slide rail forward, and can slide from top to bottom in corresponding vertical spout 3.1, it is connected with gyro wheel 3.3 to rotate respectively on the sliding seat 3.2 of vertical spout 3.1 front and back side, gyro wheel 3.3 rolls the laminating on the lateral wall around slide rail 3.5.

Rearmounted mould paving device 5 passes through oil cylinder elevating gear 26 and is connected with square frame platform 4, oil cylinder elevating gear 26 is including connecting four mould lift cylinder 3.4 in 4 four corners of square frame platform respectively, the upper end of mould lift cylinder 3.4 is connected with square frame platform 4 respectively, the lower extreme of mould lift cylinder 3.4 is all perpendicular downwards, the rear portion both sides at mould frame 5.1 are connected to the lower extreme that is located two mould lift cylinder 3.4 at rear portion, the lower extreme that is located two anterior mould lift cylinder 3.4 is connected respectively on the sliding seat 3.2 that corresponds the side.

As a further explanation of this embodiment, two sides of the rear portion of the mold frame 5.1 are further connected with vertical supports 6, an upper hinge seat 8 and a lower hinge seat 7 which are matched with each other are arranged between the upper end of the vertical support 6 and the square frame platform 4, the upper hinge seat 8 is connected on the square frame platform 4, and the lower hinge seat 7 is connected at the upper end of the vertical support 6.

A spiral feeding device 9 is arranged on a rack of the crawler belt walking device 1 on the front side of the main machine 2, the spiral feeding device 9 extends to a feeding bin 5.6 of the rear die paving device 5 along the bottom of the engine assembly, a gap is reserved between the spiral feeding device 9 and the feeding bin 5.6, the rear die paving device 5 can conveniently lift relative to the main machine 2, the spiral feeding device 9 is provided with a rectangular feeding groove 9.1 with an opening at the upper end, a hopper 9.2 is arranged on the feeding side of the rectangular feeding groove 9.1, and the hopper is arranged on the rack of the crawler belt walking device 1; the output end of the rectangular feeding chute 9.1 is provided with a discharge opening 9.3 facing downwards to the feeding bin 5.6, two spiral conveying blades 9.4 arranged side by side are arranged in the rectangular feeding chute 9.1, the rear end of the rectangular feeding chute 9.1 is connected with two driving mechanisms 9.5 which respectively drive the two spiral conveying blades 9.4 to rotate, and the driving mechanisms 9.5 adopt a driving motor and a speed reducer which are connected with each other.

Two push rollers 10 which are arranged in the same straight line are arranged in front of the frame of the crawler walking device 1, the push rollers 10 are connected to the frame of the crawler walking device 1 through connecting seats 11, and the push rollers 10 are rotatably connected with the connecting seats 11.

The utility model discloses during the paving construction, carry the concrete material to feeding storehouse 5.6 in through spiral material feeding unit 9, through the even cloth of spiral distributing device 5.8 edge width direction, carry out the vibration compaction to the concrete material by vibrating device 5.7 again, at last through the trowelling pavement of forming die 5.9.

For the elevation and the roughness of convenient control operation of paving, can dismantle on the paver and be connected with the sensor of making level, because the sensor of making level can dismantle the connection, consequently can set up a set ofly, use with lift stand device 3 or the cooperation of hydro-cylinder elevating gear 26 as required, also can dispose a set of sensor of making level respectively to lift stand device 3 and hydro-cylinder elevating gear 26.

The leveling sensors are divided into a longitudinal slope sensor 15 and a transverse slope sensor 25, and the leveling sensors can be configured with two leveling modes:

firstly, a mould leveling mode, in which the rear mould paving device 5 acts independently relative to the lifting upright post device 3. Two leveling modes are specifically provided:

a. leveling longitudinal slopes on two sides: as shown in FIG. 1, the leveling method is applied to occasions with high requirements on elevation and flatness. Under the leveling mode, four longitudinal slope sensors 15 are required to be equipped to control four mold lifting cylinders 3.4 respectively, two longitudinal slope sensors 15 which are arranged at intervals from front to back are installed on the left side and the right side of a mold frame 5.1 respectively, the longitudinal slope sensors 15 are used for monitoring the relative positions of the mold lifting cylinders 3.4 and a reference, the operation state is monitored by comparing the longitudinal slope sensors 15 with an elevation reference in real time, the cylinders are controlled to automatically adjust the posture of the mold according to the comparison difference, and paving errors can be corrected in real time. The dynamic control of the elevation and the flatness of the paving operation is realized.

b. Leveling by matching a single-side longitudinal slope with a transverse slope: as shown in fig. 8, this leveling method is applied to a case where only one side of the level reference can be installed. Under this kind of mode of making level, need be equipped with two longitudinal gradient sensors 15 and two transverse gradient sensors 25 and control four mould lift cylinder, two longitudinal gradient sensor frame 15 establish arbitrary one side about rear mould paving device 5 during operation, longitudinal gradient sensor 15 monitors and controls homonymy mould lift cylinder 3.4, two transverse gradient sensors 25 are that the front portion is arranged and install at rear mould paving device 5 width direction's middle part to the induction end is towards ground, two transverse gradient sensors 25 are used for monitoring and control another side mould lift cylinder 3.4.

The operation state is monitored by the two longitudinal slope sensors 15 and the two transverse slope sensors 25, the operation error of the other side is calculated according to the longitudinal slope difference value of the comparison side and the difference value between the actual transverse slope and the theoretical transverse slope monitored by the two transverse slope sensors 25, the mould lifting oil cylinder 3.4 is controlled to automatically adjust the posture of the mould, and the paving error can be corrected in real time. The dynamic control of the elevation and the flatness of the paving operation is realized.

Secondly, a host machine leveling mode: in this mode, the rear-mounted die paving device 5 and the lifting column device 3 are relatively fixed, and two leveling modes can be matched:

a. leveling longitudinal slopes on two sides: as shown in fig. 9, in this leveling manner, four longitudinal slope sensors 15 are required to be equipped to control four vertical column lift cylinders of the lift vertical column device 3, respectively, and the longitudinal slope sensors 15 are installed on the four lift vertical columns of the lift vertical column device 3, respectively, to monitor the relative positions of the vertical column cylinders and the reference. The working state is monitored by comparing the longitudinal slope sensor 15 with the elevation reference in real time, and four upright lifting cylinders of the lifting upright device 3 are controlled to automatically adjust the posture of the machine body according to the comparison difference, so that the paving error can be corrected in real time. The dynamic control of the elevation and the flatness of the paving operation is realized.

b. Leveling by matching a single-side longitudinal slope with a transverse slope: as shown in fig. 10, this leveling method is applied to a case where only one side of the level reference can be installed. Under this kind of mode of making level, need be equipped with two longitudinal gradient sensors 15 and two cross slope sensors 25, four stand lift cylinder of control lift stand device 3 respectively, arbitrary one side about the paver is installed to two longitudinal gradient sensors 15 of during operation, two cross slope sensors 25 are the middle part at 5 width direction of rear mould paving device that install that the front portion was arranged, and the induction end is towards ground, two stand lift cylinder of 3 homonymies of two longitudinal gradient sensors 15 control lift stand device, the stand lift cylinder of 3 opposite sides of two cross slope sensors 25 control lift stand device. The operation state is monitored by the two longitudinal slope sensors 15 and the two transverse slope sensors 25, the operation error on the other side is calculated according to the longitudinal slope difference value on one side and the difference value between the actual transverse slope and the theoretical transverse slope monitored by the two transverse slope sensors 25, and the upright lifting cylinder of the lifting upright device 3 is controlled to automatically adjust the body posture, so that the paving error is corrected in real time. The dynamic control of the elevation and the flatness of the paving operation is realized.

The two leveling modes can be independently applied or used in a matching way. When the machine body is matched for use, the machine body posture is controlled by the host machine leveling mode, the vertical fluctuation of the machine body caused by the uneven roadbed is controlled within a certain range when the machine body is paved, a good working environment is created for the die leveling mode, and the paving precision of the operation is further improved.

Claims (10)

1. Zero clearance postposition mould slipform paver, including host computer and postposition mould paving device, the host computer includes crawler travel unit, lift stand device and engine assembly, and the rear side of lift stand device is connected with square frame platform, and postposition mould paving device sets up in square frame platform below, its characterized in that: the rear-mounted mould paving device is connected with the square frame platform through the oil cylinder lifting device, the oil cylinder lifting device is used for driving the rear-mounted mould paving device to lift, a leveling sensor is further installed on the paver, and the leveling sensor is used for controlling the lifting of the lifting stand column device and/or the oil cylinder lifting device according to detection signals.

2. The zero-clearance post-mold slipform paver of claim 1, characterized in that: the leveling sensors are arranged in a group, the group of leveling sensors comprises four longitudinal slope sensors, the four longitudinal slope sensors are symmetrically arranged on the left side and the right side of the mold frame or the lifting upright post device, and the two longitudinal slope sensors on the same side are arranged in a front-back manner; when the four longitudinal slope sensors are arranged on two sides of the mold frame, the four longitudinal slope sensors are used for controlling the lifting of the oil cylinder lifting device, and when the four longitudinal slope sensors are arranged on two sides of the lifting upright post device, the four longitudinal slope sensors are used for controlling the lifting upright post device to lift.

3. The zero-clearance post-mold slipform paver of claim 1, characterized in that: the leveling sensors are arranged in a group, the group of leveling sensors comprises two longitudinal slope sensors and two transverse slope sensors, the two longitudinal slope sensors are arranged in a front-back manner and are arranged on the left side or the right side of the mold frame or the lifting upright post device, the two transverse slope sensors are arranged in a front-back manner and are arranged in the middle of the width direction of the mold frame or the lifting upright post device, and the sensing ends face the ground; when two longitudinal slope sensors and two cross slope sensors are installed on the die frame, the two longitudinal slope sensors and the two cross slope sensors are used for controlling the lifting of the oil cylinder lifting device, and when the two longitudinal slope sensors and the two cross slope sensors are installed on the lifting upright post device, the two longitudinal slope sensors and the two cross slope sensors are used for controlling the lifting upright post device to lift.

4. The zero-clearance post-mold slipform paver of claim 1, characterized in that: the leveling sensors are arranged in two groups, each group of leveling sensors comprises four longitudinal slope sensors, and the four longitudinal slope sensors of one group are symmetrically arranged on the left side and the right side of the mold frame and are used for controlling the lifting of the oil cylinder lifting device; the other group of four longitudinal slope sensors are symmetrically arranged on the left side and the right side of the lifting upright post device and are used for controlling the lifting of the lifting upright post device; two longitudinal slope sensors of two sets of longitudinal slope sensors that are located the homonymy all are arranging around being.

5. The zero-clearance post-mold slipform paver of claim 1, characterized in that: the leveling sensors are arranged in two groups, each group of leveling sensors comprises two longitudinal slope sensors and two transverse slope sensors, the two longitudinal slope sensors of one group are arranged in a front-back manner and are arranged on the left side or the right side of the mold frame, the two transverse slope sensors are arranged in the middle of the mold frame in the width direction in a front-back manner, the sensing ends face the ground, and the leveling sensors of the group are used for controlling the lifting of the oil cylinder lifting device; the other two longitudinal slope sensors are arranged in the front and back direction and are arranged on the left side or the right side of the lifting upright post device, the two transverse slope sensors are arranged in the front and back direction and are arranged in the middle of the width direction of the lifting upright post device, the sensing ends face the ground, and the leveling sensors are used for controlling the lifting of the lifting upright post device.

6. The zero-clearance post-mold slipform paver of claim 1, characterized in that: the rear-mounted die paving device comprises a die frame, the die frame comprises a left side plate and a right side plate, a front baffle and a middle baffle frame which are arranged in a front-back manner are arranged between the left side plate and the right side plate, a feeding bin is formed between the middle baffle frame and the front baffle as well as between the left side plate and the right side plate, a vibrating device and a spiral distributing device which are arranged in a front-back manner are installed in the feeding bin, and a forming die installed on the middle baffle frame is arranged below the middle baffle frame;

the middle baffle plate frame is formed by connecting a long baffle plate frame and short baffle plate frames positioned at two ends of the long baffle plate frame, the long baffle plate frame and the short baffle plate frames are respectively provided with a first square tube and a second square tube which are arranged in a front-back manner, two ends of the first square tube and the second square tube are respectively connected into a whole through flange plates, a middle baffle plate which is vertically downward is connected onto the first square tube, and two ends of the middle baffle plate are simultaneously connected with the flange plates at two sides; the flange plates of the adjacent short baffle frames are connected through a first bolt, and the flange plates of the middle baffle frame positioned at the leftmost end and the rightmost end are connected with the left side plate and the right side plate through a second bolt.

7. The zero-clearance post-mold slipform paver of claim 3, characterized in that: the oil cylinder lifting device comprises four die lifting oil cylinders which are respectively arranged at the four corners of the square die frame, the tail ends of the die lifting oil cylinders are connected with the square die frame, and the telescopic ends of the die telescopic oil cylinders are vertically downward and connected with the die frame;

the mould frame's rear portion both sides still are connected with vertical support, are provided with the articulated seat on mutually supporting and articulate the seat down between the upper end of vertical support and the square frame platform, go up articulated seat and connect on the square frame platform, articulate the upper end of seat connection at vertical support down.

8. The zero-clearance post-mold slipform paver of claim 6, characterized in that: the forming die comprises three troweling plates which are respectively positioned under the long baffle frame and the two short baffle frames, the adjacent troweling plates are mutually butted and are connected into a whole through a third bolt, a row of first bolt connecting seats are connected to a second square tube of the middle baffle frame, a first adjusting screw rod is connected between the first bolt connecting seats and the troweling plate below, the upper end of the first adjusting screw rod penetrates through the corresponding bolt connecting seats and is connected with a first nut, and the lower end of the adjusting screw rod is connected with the troweling plate below; the center position of the troweling plate below the long baffle frame is also connected with a second adjusting screw, a first square tube above the second adjusting screw is also connected with a second bolt connecting seat, and the upper end of the second adjusting screw penetrates through the second bolt connecting seat and is connected with a second nut;

the vibrating device comprises a movable mounting shaft arranged between a left side plate and a right side plate, a plurality of vibrating rods are connected to the mounting shaft, two ends of the mounting shaft are respectively provided with a connecting plate, the connecting plates are isosceles triangles, the vertex angle ends of the connecting plates are fixedly connected to the mounting shaft, two feet of each connecting plate face upwards, each connecting plate is correspondingly connected with a vibrating rod height adjusting oil cylinder, the vibrating rod height adjusting oil cylinders are arranged on the rear sides of the corresponding connecting plates, the tail ends of the vibrating rod height adjusting oil cylinders are hinged to reinforcing connecting pipes on the corresponding sides, telescopic ends are hinged to the feet, located on the rear sides, of the connecting plates, the feet, located on the front sides, of the connecting plates are hinged to a front baffle, and the vibrating rod height adjusting oil cylinders are used for adjusting the height of the mounting shaft through the connecting plates;

the spiral distributing device comprises cloth driving motors which are respectively connected to the left side plate and the right side plate, the output ends of the driving motors are oppositely arranged and are respectively connected with rotating shafts arranged in the feeding bin, and the rotating shafts on the two sides of the driving motors are connected with spiral blades which are opposite in rotating direction.

9. The zero-clearance post-mold slipform paver of claim 2, characterized in that: a spiral feeding device is arranged on a rack of the crawler traveling device on the front side of the main machine, the spiral feeding device extends to a feeding bin of the rear die paving device along the bottom of the engine assembly, a gap is reserved between the spiral feeding device and the feeding bin, and the rear die paving device is convenient to lift relative to the main machine; the output of rectangle chute feeder is provided with the discharge opening towards the feed bin downwards, is provided with two spiral conveying blades of arranging side by side in the rectangle chute feeder, and the rear end of rectangle chute feeder is connected with two actuating mechanism that drive two spiral conveying blade rotations respectively, and actuating mechanism adopts interconnect's rotary drive motor and speed reducer.

10. The zero-clearance post-mold slipform paver of claim 1, characterized in that: two pushing rollers which are arranged in the same straight line are arranged in front of the frame of the crawler traveling device, the pushing rollers are connected to the frame of the crawler traveling device through connecting seats, and the pushing rollers are rotatably connected with the connecting seats.

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