CN209413913U - Self-propelled inverted arch trestle - Google Patents
Self-propelled inverted arch trestle Download PDFInfo
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- CN209413913U CN209413913U CN201821194665.0U CN201821194665U CN209413913U CN 209413913 U CN209413913 U CN 209413913U CN 201821194665 U CN201821194665 U CN 201821194665U CN 209413913 U CN209413913 U CN 209413913U
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- 238000010276 construction Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 17
- 239000000725 suspension Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims 6
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to a self-propelled inverted arch trestle belongs to tunnel or underground works concrete construction technical field, including front approach bridge, main bridge, back approach bridge, front approach bridge and back approach bridge articulate with both ends around the main bridge respectively, main cross-bridge comprises a plurality of detachable connecting block, and main cross-bridge cross section is the mouth form, main cross-bridge and main bridge are two symmetrical supporting beam structures, connect a plurality of fixed blocks between the supporting beam, are the construction operation region below the main cross-bridge, and the length of main cross-bridge is greater than the main bridge; the main bridge, the main overpass and the rear approach bridge are provided with the same gradient, and the main overpass is closely matched with the gradient of the front approach end; the utility model discloses simple structure, low cost, convenient to use, the reliability is high, is suitable for various occasions.
Description
Technical field
The utility model belongs to tunnel or underground engineering technical field of concrete construction, and in particular to a kind of self-propelled inverted arch
Trestle.
Background technique
As China greatly develops the infrastructure constructions such as highway, railway, to construction machinery automation require it is higher and higher,
Trestle is a kind of essential mechanical equipment in constructing tunnel, and part of the manufacturer is capable of providing mechanical trestle and passes through company at present
Socket part divides inverted arch template to realize tunnel excavation progress synchronous with inverted arch construction.The movable trestle in use on the market is analyzed, generally
In the presence of the disadvantages of structure is complicated, shape is necessarily large and bulky, at high cost, flexibility is poor, inconvenient, security performance is bad, it is unfavorable for
It promotes the use of.
In the work progress at tunnel inverted arch position, inverted arch trestle need be set up in inverted arch excavation face, to be connected to tunnel
The excavation face of front end and tunnel rear end fill surface channel, the presence of inverted arch trestle make tunnel excavation slagged tap outward with material to hole
Interior transport is not influenced by inverted arch construction, ensure that inverted arch concrete construction continuously, is simultaneously carried out with tunnel excavation.
Application No. is a kind of automatic inverted arch trestles of CN207063990, are disadvantageous in that:
1. trestle work structure needs to retreat when excavating inverted arch or sidesway, and the earthwork of excavation is deposited in close to face
End cannot increase flow chart, unreasonable structural design with digging with entrucking.
2. access bridge structure using fashioned iron is straight due to being welded before, when access bridge is long, the structure bending resistance
Bad, deformation is big, uneconomical, reduces equipment life there are access bridge bending and uses security risk.
3. the lifting of front-wheel roller box using Hydraulic Cylinder roller box inclination stretch out and withdraw, should structure is complicated, to connector
Intensity requirement is high, and roller box adjustment space is small, and the big occupied space of oil cylinder stroke is big, and stress is unreasonable to be easily reduced the oil cylinder service life.
4. rear wheel rotation box structure is complicated, at high cost, roller box adjustment space is small, and the big occupied space of oil cylinder stroke is big, roller box knot
Structure stress is unreasonable to be easily reduced the oil cylinder service life.
5. the lifting device use being arranged on traction bridge is from driven roller, the structure there are inclination when plug-in inverted arch template,
Situations such as causing two side wheels that can not synchronize, skid, seriously affects and operates with.
Utility model content
To solve the above problems, the utility model provides a kind of self-propelled inverted arch trestle.
The purpose of this utility model is achieved in that
A kind of self-propelled inverted arch trestle, including preceding access bridge, main bridge, rear access bridge, preceding access bridge and rear access bridge are respectively and before main bridge
Both ends are hinged afterwards, and preceding access bridge is made of main span bridge and leading end, and main span bridge and leading end are hinged, main span bridge front end down either side hinge
Two hydraulic pressure support bars are connected, the hydraulic cylinder for driving support rod rotation is equipped between support rod and main span bridge；The main span bridge by
Several dismountable link block compositions, main span bridge cross section are mouth shape, and the main span bridge and main bridge are two symmetrical supporting beams
Structure connects several fixed blocks between supporting beam, is construction operation area below main span bridge, and the length of main span bridge is greater than main bridge；
Host bridge, main span bridge and rear access bridge set the identical gradient, the gradient tight fit of main span bridge and leading end；Leading end and main span
Bridge is hinged by pin shaft, and two supporting beam bottom of main span bridge is equipped with overturning oil cylinder, hinged by runing rest and leading end, makes leading
End flips an angle;The master cylinder that main span bridge passes through main pin and bottom that main span bridge rear end is arranged in main bridge is hinged, main
The each supporting beam bottom of bridge is respectively arranged one, and totally two；Access bridge and main bridge pass through the rear pin shaft that rear access bridge front end is arranged in afterwards
It is hinged with the rear oil cylinder of two sides of the bottom, oil cylinder after main two supporting beam bottom side of bridge is respectively arranged one；Main bridge, rear access bridge, which are equipped with, matches
Pouring weight runs through main bridge, rear access bridge central space；Hydraulic control cabinet is equipped with inside main bridge, hydraulic motor, hydraulic cylinder respectively use one
Set control cabinet controls respectively；The supporting beam bottom of main bridge is equipped with the mobile device of vertical folding and unfolding, and mobile device includes front-seat master
The driven wheel of driving wheel and heel row；Driving wheel is arranged in wheel carrier；The wheel carrier two sides are equipped with swivel pin, swivel pin and supporting beam bottom
Portion is hinged by Vertical Cylinders；The driven wheel is hinged by support rod and supporting beam bottom, and the support rod is equipped with swivel pin,
Swivel pin is hinged by support cylinder with supporting beam bottom；Main pars basilaris pontis is provided with transverse-moving mechanism, transverse-moving mechanism and running gear
Alternately load-bearing；Transverse-moving mechanism includes crossbeam and traversing oil cylinder, and left or right side supporting beam bottom is arranged by traversing oil cylinder in crossbeam.
The supporting beam side bottom of the main span bridge is equipped with track, and the track is equipped with moveable power car, power
Vehicle is hung in orbit by idler wheel.
The movement vehicle bottom is equipped with suspension hook, and moves axially along power car.
The movement vehicle provides power by hydraulic motor, passes through chain-driving power car.
Leading end flip angle is at 0 ° -180 °.
Compared with the existing technology, the advantages of the utility model:
1. main span bridge and leading end hingedly form, be equipped with hydraulic pressure support bar in main span bridge front bottom end two sides, support rod with
It is equipped with the hydraulic telescopic device for driving support rod rotation between main span bridge, inverted arch is facilitated to excavate, with digging with entrucking, simplifies operation work
Sequence, enhances the use function of trestle, and structure is more rationally perfect；
2. main bridge, main span bridge and rear access bridge set the identical gradient, the gradient tight fit of main span bridge and leading end, using arch
The design of bridge structure guarantees the intensity and bending resistance of integrated deck, and middle part stress is transmitted to bridge both ends；
3. the supporting beam bottom of main bridge is equipped with the mobile device of vertical folding and unfolding, mobile device includes front-seat driving wheel with after
The driven wheel of row, driving wheel are arranged in wheel carrier, and wheel carrier two sides are equipped with swivel pin, swivel pin and supporting beam bottom and are cut with scissors by oil cylinder
It connects, front driving wheel case is vertically moved up or down using oil cylinder, is aided with two sides guide rail, increases monolithic wheel box structure intensity, and structure
Simply, it ensure that safe and convenient to use and service life；
4. driven wheel is hinged by support rod and supporting beam bottom, support rod is equipped with swivel pin, swivel pin and supporting beam bottom
Portion is hinged by oil cylinder, stretches out structure, after overall structure is simple, and tire is stretched out completely, overall structure stress using push-down
Rationally, and manufacturing cost is low；
Power is provided by hydraulic motor 5. acting vehicle, by chain-driving power car, driving is moved using speed reducer band chain
It is dynamic, it ensure that the synchronism of two side wheels, be not in slipping phenomenon, and accurate positioning.
6. main span bridge is made of several dismountable link blocks, main span bridge cross section is mouth shape, and main span bridge and main bridge are two
Root symmetrical support beam structure connects several fixed blocks between supporting beam, is construction operation area below main span bridge, main span bridge
Length is greater than main bridge, and convenient disassembly, structure is simple, low in cost, easy to use, high reliablity, widely applicable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the top view of the utility model.
Fig. 3 is one of working state schematic representation.
Fig. 4 is the two of working state schematic representation.
Driving wheel partial view when Fig. 5 is work.
Driving wheel partial view when Fig. 6 is mobile.
Fig. 7 is the connection schematic diagram at leading end and main span bridge.
Fig. 8 is transverse-moving mechanism schematic diagram.
Fig. 9 is driven wheel partial view.
Wherein, 1. main bridge, 2. main span bridges, 3. leading ends, access bridge after 4., 5. wheel carriers, 6. driven wheels, 7. transverse-moving mechanisms, 8.
Hydraulic pressure support bar, 9. hydraulic control cabinets, 10. power cars, 11. suspension hooks, 12. fixed blocks, 13. clump weights, 101. chains, 102,
Motor, 21. master cylinders, 31. overturning oil cylinders, oil cylinder after 41., 51. driving wheels, 52. Vertical Cylinders, 61. support cylinders, 71. is horizontal
Move oil cylinder, 72. crossbeams, 81. hydraulic cylinders.
Specific embodiment
As shown in the picture, a kind of self-propelled inverted arch trestle of the utility model, including preceding access bridge, main bridge 1, rear access bridge 4, leading
Bridge and rear access bridge 4 are hinged with main 1 rear and front end of bridge respectively, and preceding access bridge is made of main span bridge 2 and leading end 3, main span bridge 2 and leading
End 3 is hinged, and 2 front end down either side of main span bridge is hinged two hydraulic pressure support bars 8, is equipped with and drives between support rod and main span bridge 2
The hydraulic cylinder 81 of support rod rotation；The main span bridge 2 is made of several dismountable link blocks, and 2 cross section of main span bridge is mouth shape,
The main span bridge 2 and main bridge 1 are two symmetrical support beam structures, connect several fixed blocks 12 between supporting beam, under main span bridge 2
Side is construction operation area, and the length of main span bridge 2 is greater than main bridge 1；Host bridge 1, main span bridge 2 and rear access bridge 4 set identical slope
The gradient at degree, main span bridge 2 and leading end 3 is fitted close；
Leading end 3 is hinged by pin shaft with main span bridge 2, and 2 liang of supporting beam bottoms of main span bridge are equipped with overturning oil cylinder 31, passes through rotation
Turn bracket and leading end 3 is hinged, leading end 3 is made to flip an angle；Main span bridge 2 and main bridge 1 are by being arranged in 2 rear end of main span bridge
Main pin and bottom master cylinder 21 it is hinged, each supporting beam bottom of main span bridge 2 is respectively arranged one, totally two；
Afterwards access bridge 4 and main bridge 1 pass through rear pin shaft and two sides of the bottom that rear 4 front end of access bridge is set rear oil cylinder 41 it is hinged,
An oil cylinder is respectively arranged in 1 liang of supporting beam bottom side of main bridge；Main bridge 1, rear access bridge 4 be equipped with clump weight 13, through main bridge 1, after draw
4 central space of bridge；Hydraulic control cabinet 9 is equipped with inside main bridge 1, hydraulic motor, hydraulic cylinder are respectively controlled using a set of control cabinet respectively
System；
The supporting beam bottom of main bridge 1 is equipped with the mobile device of vertical folding and unfolding, and mobile device includes front-seat driving wheel with after
The driven wheel 6 of row；Driving wheel is arranged in wheel carrier 5；5 two sides of wheel carrier are equipped with swivel pin, and swivel pin and supporting beam bottom are logical
It is hinged to cross Vertical Cylinders 52；The driven wheel 6 is hinged by support rod and supporting beam bottom, and the support rod is equipped with swivel pin,
Swivel pin and supporting beam bottom are hinged by support cylinder 61；Main 1 bottom of bridge is provided with transverse-moving mechanism 7, transverse-moving mechanism 7 and walking
Device replaces load-bearing；Transverse-moving mechanism 7 includes crossbeam 72 and traversing oil cylinder 71, and crossbeam 72 passes through on the left of the setting of traversing oil cylinder 71 or right
Collateral support beam bottom portion.
The course of work of the utility model is as follows:
When start-up operation, the oil cylinder in mobile device starts to act, and 52 piston rod of Vertical Cylinders ejects on driving wheel 51, pushes away
5 vertical drop of driving wheel frame, 61 piston rod of support cylinder ejection on driven wheel 6 are that axis rotates using swivel pin, make driven wheel 6 vertically
Ground, driving wheel 51 and driven wheel 6 fall and contact ground, and under the drive of driving wheel 51, mobile device work drives trestle to move
It is dynamic；When trestle is moved to destination locations, mobile device is packed up, transverse moving structure landing, at this moment transverse moving structure supports entire stack
Bridge, 41 piston of the rear oil cylinder ejection of rear access bridge 4 make the rear rotation of access bridge 4 to ground, the gradient of rear access bridge 4 and main 1 gradient face phase of bridge
It coincide, 2 front end hydraulic cylinder 81 of main span bridge starts to eject piston, centered on swingle, drives hydraulic pressure support bar 8, makes hydraulic branch
Strut 8 is perpendicular to the ground.Hydraulic pressure support bar 8 ejects piston, holds out against ground, stablizes trestle firm, and vehicle can be real under this device
Now with digging with walking;Main 1 bottom of bridge is provided with transverse-moving mechanism 7, and transverse-moving mechanism 7 replaces load-bearing with running gear；Transverse-moving mechanism 7 wraps
Crossbeam 72 and traversing oil cylinder 71 are included, crossbeam 72 is arranged left or right side supporting beam bottom by traversing oil cylinder 71, moves if you need to trestle
Dynamic to move left and right, because trestle is above transverse-moving mechanism 7, the opposite sliding in 7 inside of transverse-moving mechanism starts traversing oil cylinder 71, pushes horizontal
Beam 72 drives entire trestle to move left and right；If you need to load wagon by trestle, side starts 3 overturning oil cylinder 31 of leading end, overturns hydraulic
The ejection of 31 piston of cylinder makes leading end 3 rotate 180 ° and cooperates with main span bridge 2, and trestle is equipped with hydraulic control cabinet 9, and control is using touching
Screen wireless control system is touched, touch screen operation device is held and Wireless remote control is carried out to equipment, touch screen can intuitively show each behaviour
Make component and status of equipment, operator can unrestricted choice operating position, do not influenced by spatial position, improve the operation of equipment
Property, with the safeguard protection of operator.
Further, the supporting beam side bottom of main span bridge 2 is equipped with track, and the track is equipped with moveable power car
10, power car 10 is hung in orbit by idler wheel.It acts vehicle bottom and is equipped with suspension hook 11, and moved axially along power car 10, moved
Make vehicle and provide power by hydraulic motor, power car 10 is driven by chain 101, when trestle passes through vehicle, power-driven mechanism is outstanding
It is hung on the lower section of arch bridge floor, being not subject to the gravity that vehicle passes through influences, and significantly reduces its load born, improves drive
The service life of motivation structure, the suspension hook 11 on power car 10 is for the lifting of inverted arch construction or the traction Forward of inverted arch template, also
It can be used as the ditch cable trench construction in constructing tunnel, for fixing panel or lifting ancillary equipment.
Further, at 0 ° -180 °, leading end 3 can stack on main span bridge 23 flip angle of leading end, also extensible bank,
It is applicable in various occasions.
Above-described is only preferred embodiments of the present invention, it is noted that for those skilled in the art
For, under the premise of not departing from the utility model general idea, several changes and improvements can also be made, these also should be considered as
The protection scope of the utility model.
Claims (5)
1. a kind of self-propelled inverted arch trestle, including preceding access bridge, main bridge, rear access bridge, preceding access bridge and rear access bridge are respectively and before and after main bridge
Both ends are hinged, it is characterised in that: preceding access bridge is made of main span bridge and leading end, and main span bridge and leading end are hinged, main span bridge front end
Down either side is hinged two hydraulic pressure support bars, and the hydraulic cylinder for driving support rod rotation is equipped between support rod and main span bridge；Institute
It states main span bridge to be made of several dismountable link blocks, main span bridge cross section is mouth shape, and the main span bridge and main bridge are two right
The support beam structure of title connects several fixed blocks between supporting beam, is construction operation area, the length of main span bridge below main span bridge
Greater than main bridge；Host bridge, main span bridge and rear access bridge set the identical gradient, the gradient tight fit of main span bridge and leading end；Before
It is hinged by pin shaft with main span bridge to draw end, two supporting beam bottom of main span bridge is equipped with overturning oil cylinder, passes through runing rest and leading end
Hingedly, leading end is made to flip an angle;Main span bridge and main bridge pass through the master of main pin and bottom that main span bridge rear end is arranged in
Oil cylinder is hinged, and each supporting beam bottom of main span bridge is respectively arranged one, and totally two；Access bridge and main bridge are by being arranged before rear access bridge afterwards
The rear pin shaft at end and the rear oil cylinder of two sides of the bottom are hinged, oil cylinder after main two supporting beam bottom side of bridge is respectively arranged one；Main bridge, after
Access bridge is equipped with clump weight, runs through main bridge, rear access bridge central space；Hydraulic control cabinet, hydraulic motor, hydraulic oil are equipped with inside main bridge
Cylinder is respectively controlled using a set of control cabinet respectively；The supporting beam bottom of main bridge is equipped with the mobile device of vertical folding and unfolding, mobile device packet
Include the driven wheel of front-seat driving wheel and heel row；Driving wheel is arranged in wheel carrier；The wheel carrier two sides are equipped with swivel pin, swivel pin
It is hinged by Vertical Cylinders with supporting beam bottom；The driven wheel is hinged by support rod and supporting beam bottom, the support rod
Equipped with swivel pin, swivel pin is hinged by support cylinder with supporting beam bottom；Main pars basilaris pontis is provided with transverse-moving mechanism, transverse-moving mechanism
Replace load-bearing with running gear；Transverse-moving mechanism includes crossbeam and traversing oil cylinder, and left or right side is arranged by traversing oil cylinder in crossbeam
Supporting beam bottom.
2. self-propelled inverted arch trestle according to claim 1, it is characterised in that: the supporting beam side bottom of main span bridge is equipped with
Track, the track are equipped with moveable power car, and power car is hung in orbit by idler wheel.
3. self-propelled inverted arch trestle according to claim 2, it is characterised in that: movement vehicle bottom is equipped with suspension hook, and along dynamic
The axial movement of power vehicle.
4. self-propelled inverted arch trestle according to claim 3, it is characterised in that: movement vehicle provides power by hydraulic motor,
Pass through chain-driving power car.
5. self-propelled inverted arch trestle according to claim 1, it is characterised in that: leading end flip angle is at 0 ° -180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194665.0U CN209413913U (en) | 2018-07-26 | 2018-07-26 | Self-propelled inverted arch trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194665.0U CN209413913U (en) | 2018-07-26 | 2018-07-26 | Self-propelled inverted arch trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209413913U true CN209413913U (en) | 2019-09-20 |
Family
ID=67929819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821194665.0U Active CN209413913U (en) | 2018-07-26 | 2018-07-26 | Self-propelled inverted arch trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209413913U (en) |
-
2018
- 2018-07-26 CN CN201821194665.0U patent/CN209413913U/en active Active
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