CN214298934U

CN214298934U - Novel electro-hydraulic self-suspension rail clamping device

Info

Publication number: CN214298934U
Application number: CN202121950600.6U
Authority: CN
Inventors: 董日磊
Original assignee: Henan Qihua Crane Technology R&d Co ltd
Current assignee: Henan Qihua Crane Technology R&d Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2021-09-28
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a novel electricity liquid is from suspension rail clamping device, including main part support, centre gripping support and a pair of clamp arm that has the friction clamp piece, the clamp arm articulates on the centre gripping support, and the main part support includes roof and curb plate, and clamp arm top is provided with and is used for driving the transmission hoist mechanism that the clamp arm rotated and goes up and down, transmission hoist mechanism includes main shaft lead screw, lifting plate and a pair of diplopore lever, installs on the roof and is used for driving main shaft lead screw pivoted actuating mechanism, and the middle part of the vertical setting of main shaft lead screw and main shaft lead screw rotates with the roof to be connected, the lower part at main shaft lead screw is installed to the screw, the vertical fixed connection of lifting plate is on the screw, and the wherein one end of two diplopore levers all articulates in the lower part of lifting plate, and the other end of two diplopore levers corresponds articulatedly with the upper portion of two clamp arms respectively. The utility model discloses can solve the wearing and tearing problem that current rail clamping device brought when walking along the track through the walking wheel.

Description

Novel electro-hydraulic self-suspension rail clamping device

Technical Field

The utility model relates to a hoist presss from both sides rail ware technical field, especially relates to a novel electricity liquid is from suspension rail ware.

Background

The rail clamping device of the crane is a safety device for preventing the outdoor crane from sliding along the rail under the action of strong wind, and a clamp connected with the bottom structure of the crane is generally adopted to clamp two side surfaces of the head of the rail to prevent sliding. When the crane travels, the rail clamping device is driven to travel synchronously, and the traveling wheel of the rail clamping device supports the rail clamping device and rolls along the rail under the weight pressure of the rail clamping device; when the crane stops operating, the rail clamping device is started, and the hydraulic cylinder extends out to enable the two chucks to clamp two side faces of the rail, so that the crane can be locked on the rail, and the crane can be prevented from sliding when being pushed accidentally.

However, the travelling wheels of the rail clamping device need to travel on the rail all the time, and the chuck and the travelling wheels of the rail clamping device are easy to wear and block; if the conditions of the rail are not good, such as: the drop height of the rail is large, so that the derailment of the rail clamping device is easily caused; the clamping head is easy to hang off due to the fact that the track is broken or staggered left and right; the crane cart running mechanism runs obliquely on the rail, the rail clamping device running wheels can be abraded, the easily-damaged parts of the rail clamping device can be abraded due to the above conditions, the service life is greatly reduced, under severe conditions, a plurality of pairs of clamping heads need to be replaced every day, and the cost and the maintenance cost are high. Therefore, there is a need for a rail clamp that allows the gripping head to be lifted and disengaged from the rail while the crane is traveling.

Disclosure of Invention

An object of the utility model is to provide a novel electricity liquid is from suspension rail clamping device for solve the wearing and tearing problem that current rail clamping device brought when walking along the track through the walking wheel.

In order to solve the problem, the utility model adopts the following technical scheme:

the utility model provides a novel electricity liquid is from suspension rail clamping device, includes main part support, centre gripping support and a pair of clamp arm that has friction clamp piece, the clamp arm articulates on the centre gripping support, and the main part support includes roof and curb plate, and clamp arm top is provided with and is used for driving the transmission hoist mechanism that the clamp arm rotated and goes up and down, transmission hoist mechanism includes main shaft lead screw, lifting plate and a pair of diplopore lever, installs on the roof and is used for driving main shaft lead screw pivoted actuating mechanism, and the middle part of the vertical setting of main shaft lead screw and main shaft lead screw rotates with the roof to be connected, the lower part at main shaft lead screw is installed to the screw, the vertical fixed connection of lifting plate is on the screw, and wherein one end of two diplopore levers all articulates in the lower part of lifting plate, and the other end of two diplopore levers corresponds articulatedly with the upper portion of two clamp arms respectively.

Optionally, the driving mechanism includes a hydraulic motor, a driving gear and a driven gear, the hydraulic motor is mounted on the top plate, the driving gear is mounted on an output shaft of the hydraulic motor, the driven gear is mounted on an upper portion of the spindle screw, and the driving gear and the driven gear are engaged.

Optionally, the lifting plate is fixedly connected with a lifting limit shifting piece, the side plate is fixedly provided with a limit switch, and when a swing rod of the limit switch is contacted with the lifting limit shifting piece, the lifting plate stops moving upwards.

Optionally, the lower part of the clamping support is fixed with an upper friction block for clamping the upper surface of the drum track.

Optionally, a manual release steering wheel is fixedly connected to the top of the spindle screw.

Optionally, the spindle screw sequentially comprises a first thread section, a first spindle section, a second thread section and a second spindle section from bottom to top, the nut is screwed on the first thread section, the second thread section is screwed with a positioning nut, the first spindle section is provided with a lower bearing, the middle of the spindle screw is rotatably connected with the top plate through the lower bearing, and the second spindle section is provided with a key groove.

Optionally, a square head is fixed to the top end of the second rotating shaft section, and a fixing screw hole is formed in the square head.

Optionally, an upper cover plate is arranged above the top plate in parallel, the upper cover plate is connected with the top plate through a vertical fixing plate, an upper bearing is installed on a second rotating shaft section of the spindle screw, the spindle screw is rotatably connected with the upper cover plate through the upper bearing, and a rainproof cover is fixedly installed on the outer sides of the upper cover plate and the vertical fixing plate.

Optionally, an electrical box is installed on the outer side of the main body support, and a guide channel steel is fixed below a top plate of the main body support.

Optionally, the side plates of the main body support comprise a front side plate, a rear side plate, a left side plate and a right side plate, the reinforced jacking pipe is fixedly connected between the front side plate and the rear side plate, the anti-collision head is fixedly mounted on the outer side of the front side plate, and the host connecting seat is fixedly mounted on the outer side of the rear side plate.

Adopt above-mentioned technical scheme, the utility model has the advantages of it is following:

the utility model discloses compare prior art, leave original walking wheel structure to through rotation and the lift of transmission hoist mechanism drive tong arm, before the hoist walking, make the utility model discloses switching on, the tong arm loosens the i-shaped track promptly, and the tong arm shifts up under the drive of screw and lift plate to break away from completely with the i-shaped track, can effectively avoid under the original structure because of the poor wearing and tearing that cause friction clamp piece, walking wheel of track condition, avoid frequently changing the inconvenience that friction clamp piece brought, save material cost and cost of labor.

The utility model discloses still adopted hydraulic motor as actuating mechanism's power, hydraulic motor drive, easily obtained great power and moment, the startability is stronger, can make the tong arm apply the clamp force and the non-skid force that are bigger than the traditional mode.

Drawings

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

fig. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a front view of FIG. 2;

fig. 4 is a schematic structural diagram of the spindle screw of the present invention.

Reference numerals: 1. the main part support, 2, the centre gripping support, 3, the tong arm, 4, the friction clamp piece, 5, the roof, 6, the curb plate, 7, spindle screw, 8, the screw, 9, the lift plate, 10, the diplopore lever, 11, hydraulic motor, 12, the driving gear, 13, driven gear, 14, the spacing plectrum that rises, 15, limit switch, 16, last friction block, 17, manual release steering wheel, 18, first screw thread section, 19, first pivot section, 20, the second screw thread section, 21, the second pivot section, 22, the keyway, 23, set nut, 24, the lower bearing, 25, the upper bearing, 26, the square head, 27, fixed screw hole, 28, the upper cover plate, 29, vertical connecting plate, 30, rain-proof cover, 31, electrical apparatus case, 32, the direction channel-section steel, 33, consolidate, the push pipe, the anticollision head, 35, the host computer connecting seat, 36, the level.

Detailed Description

In order to make the technical purpose, technical solutions and advantageous effects of the present invention clearer, the technical solutions of the present invention are further described below with reference to fig. 1 to 4 and specific embodiments.

An embodiment of a novel electro-hydraulic self-suspension rail clamping device:

a novel electro-hydraulic self-suspension rail clamping device comprises a main body support 1, a clamping support 2 and a pair of clamping arms 3 with friction clamping blocks 4, wherein the clamping arms 3 are hinged on the clamping support 2, the clamping arms 3 are arranged in the main body support 1, the main body support 1 comprises a top plate 5 and a side plate 6, a transmission lifting mechanism for driving the clamping arms 3 to rotate and lift is arranged above the clamping arms 3, the transmission lifting mechanism comprises a main shaft lead screw 7, a nut 8, a lifting plate 9 and a pair of double-hole levers 10, a driving mechanism for driving the main shaft lead screw 7 to rotate is arranged on the top plate 5, the main shaft lead screw 7 is vertically arranged, the middle part of the main shaft lead screw 7 is rotatably connected with the top plate 5 through a lower bearing 24, the nut 8 is arranged at the lower part of the main shaft lead screw 7, the lifting plate 9 is vertically and fixedly connected on the nut 8, in the embodiment, the lifting plate 9 is provided with a front part and a rear part, the lower parts of the two lifting plates 9 are fixedly connected through a horizontal connecting plate 36, as shown in fig. 2, a space above the horizontal connecting plate 36 can provide a moving space for the spindle screw 7 when the lifting plates 9 and the spindle screw 7 move relatively, one end of each of the two double-hole levers 10 is hinged to the lower part of the lifting plate 9 through a hinge shaft, and the other end of each of the two double-hole levers 10 is correspondingly hinged to the upper parts of the two clamp arms 3 through hinge shafts.

As one of the embodiments of the present invention, further, the driving mechanism includes a hydraulic motor 11, a driving gear 12 and a driven gear 13, the hydraulic motor 11 is installed on the top plate 5, the driving gear 12 is installed on the output shaft of the hydraulic motor 11, the driven gear 13 is installed on the upper portion of the spindle screw 7, and the driving gear 12 and the driven gear 13 are engaged with each other.

As one of the embodiments of the present invention, further, the lifting plate 9 is fixedly connected with a lifting limit shifting piece 14, the side plate 6 is fixedly mounted with a limit switch 15, and when the swing rod of the limit switch 15 contacts with the lifting limit shifting piece 14, the lifting plate 9 stops moving upwards. When the lifting plate 9 moves upwards under the driving of the screw 8, the lifting limit shifting piece 14 also moves along with the lifting limit shifting piece until the lifting limit shifting piece 14 is contacted with the swing rod of the limit switch 15, the limit switch 15 can send a signal to the hydraulic pump station to stop supplying oil to the hydraulic motor 11, so that the hydraulic motor 11 stops working, and the lifting plate 9 can stop moving upwards.

As one embodiment of the present invention, further, an upper friction block 16 for clamping the upper surface of the drum rail is fixed to the lower portion of the clamping support 2, and when the clamp arm 3 clamps both side surfaces of the drum rail, the upper friction block 16 is simultaneously in contact with and abuts against the upper surface of the drum rail. The upper friction block 16 is combined, so that the upper surface and two side surfaces of the I-shaped rail can be clamped simultaneously, and three surfaces are clamped together, so that the whole rail clamping is more reliable.

As one of the embodiments of the present invention, further, a manual release steering wheel 17 is fixedly connected to the top of the spindle screw 7. When the hydraulic motor 11 cannot work, the main shaft screw 7 can be driven to rotate by rotating the manual release steering wheel 17, so that the clamp arm 3 is driven to rotate and lift.

As one of the embodiments of the present invention, further, as shown in fig. 4, the spindle screw 7 includes first thread section 18, first spindle section 19, second thread section 20 and second spindle section 21 from the lower supreme in proper order, screw 8 spiro union is on first thread section 18 on the second thread section 20, and the spiro union has set nut 23 on the second thread section 20, installs lower bearing 24 on the first spindle section 19, and the middle part of spindle screw 7 is connected with roof 5 rotation through lower bearing 24, has seted up keyway 22 on the second spindle section 21. The lower bearing 24 is positioned above the top plate 5, the positioning thread can limit the lower bearing 24, and the key slot 22 formed in the second rotating shaft section 21 can be used for installing the driven gear 13.

As one of the embodiments of the present invention, further, a square head 26 is fixed on the top end of the second rotating shaft section 21, and a fixing screw hole 27 is provided in the square head 26. The spindle screw 7 can be connected with the manual release steering wheel 17 through the square head 26, and the spindle screw 7 and the manual release steering wheel 17 can be prevented from rotating relatively by using the square head 26 and not easy to slip.

As one of the embodiments of the utility model discloses a, further, roof 5 top parallel arrangement has upper cover plate 28, is connected through vertical fixed plate 29 between upper cover plate 28 and the roof 5, installs upper bearing 25 on spindle 7's the second pivot section 21, and spindle 7 rotates with upper cover plate 28 through upper bearing 25 to be connected, and the outside fixed mounting of upper cover plate 28 and vertical fixed plate 29 has rain-proof cover 30. Driving gear 12 and driven gear 13 among the actuating mechanism all can set up between upper cover plate 28 and roof 5, combine rain-proof cover 30, can avoid the power component to damage increase of service life.

As one of the embodiments of the present invention, further, the electrical box 31 is installed outside the main body support 1, and the guide channel 32 is fixed under the top plate 5 of the main body support 1. The nut 8 and the lifting plate 9 can be lifted along the guide groove of the guide channel 32.

As one of the embodiments of the utility model discloses a, further, curb plate 6 of main part support 1 includes preceding curb plate, posterior lateral plate, left side board and right side board, and fixedly connected with consolidates push pipe 33 between preceding curb plate and the posterior lateral plate, and preceding curb plate outside fixed mounting has the anticollision to bump head 34, and posterior lateral plate outside fixed mounting has the host computer connecting seat 35 that is used for being connected with the hoist.

The utility model discloses a still install the switch fixed plate on the main part support 1, be provided with on the switch fixed plate always to open and stop the button, open the floodgate button and close the floodgate button, every button corresponds respectively and is provided with the pilot lamp, is always power indicator, open the floodgate pilot lamp and closes the floodgate pilot lamp respectively.

The utility model discloses a theory of operation:

when the crane stops working, the general opening and general stopping button and the closing button are pressed down, so that the rail clamping device of the utility model is closed, the hydraulic motor 11 is started, and drives the spindle screw 7 to rotate through the driving gear 12 and the driven gear 13, the screw 8 can move downwards along the spindle screw 7, the lifting plate 9 moves downwards along with the screw 8 and drives the double-hole lever 10, the clamping support 2 and the clamping arms 3 to move downwards, in the lowering process, the upper friction block 16 contacts with the I-shaped rail firstly, and then the two clamping arms 3 rotate around the hinged parts of the clamping support 2 respectively until the I-shaped rail is clamped;

before the crane runs, a brake opening button is pressed, a hydraulic motor 11 is started, the rotation direction is opposite to that during brake closing, the hydraulic motor 11 drives a spindle screw 7 to rotate through a driving gear 12 and a driven gear 13, a nut 8 can move upwards along the spindle screw 7, a lifting plate 9 moves upwards along with the nut 8, under the connection of a double-hole lever 10, two clamp arms 3 firstly rotate around the hinged parts of clamping supports 2 respectively, so that the track is loosened, then the clamp arms move upwards along with the double-hole lever 10 and the lifting plate 9 until the clamp arms are completely separated from an I-shaped track and are suspended above the I-shaped track.

The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification of the above embodiments.

Claims

1. The utility model provides a novel electricity liquid is from suspension rail clamping ware, includes main part support, centre gripping support and a pair of clamp arm that has friction clamp piece, the clamp arm articulates on the centre gripping support, its characterized in that: the main part support includes roof and curb plate, and the clamp arm top is provided with and is used for driving the clamp arm and rotates and the transmission hoist mechanism that goes up and down, transmission hoist mechanism includes main shaft lead screw, lifting plate and a pair of diplopore lever, installs on the roof and is used for driving main shaft lead screw pivoted actuating mechanism, and the middle part and the roof of the vertical setting of main shaft lead screw and main shaft lead screw rotate to be connected, the lower part at the main shaft lead screw is installed to the screw, the vertical fixed connection of lifting plate is on the screw, and wherein one end of two diplopore levers all articulates in the lower part of lifting plate, and the other end of two diplopore levers corresponds articulatedly with the upper portion of two clamp arms respectively.

2. The novel electro-hydraulic self-suspension rail clamping device as claimed in claim 1, wherein: the driving mechanism comprises a hydraulic motor, a driving gear and a driven gear, the hydraulic motor is installed on the top plate, the driving gear is installed on an output shaft of the hydraulic motor, the driven gear is installed on the upper portion of the spindle screw, and the driving gear is meshed with the driven gear.

3. The novel electro-hydraulic self-suspension rail clamping device as claimed in claim 1, wherein: the lifting plate is fixedly connected with a lifting limiting shifting piece, a limiting switch is fixedly mounted on the side plate, and when a swing rod of the limiting switch is in contact with the lifting limiting shifting piece, the lifting plate stops moving upwards.

4. The novel electro-hydraulic self-suspension rail clamping device as claimed in claim 1, wherein: an upper friction block for clamping the upper surface of the I-shaped rail is fixed at the lower part of the clamping support.

5. The novel electro-hydraulic self-suspension rail clamping device as claimed in claim 1, wherein: the top of the spindle screw is fixedly connected with a manual release steering wheel.

6. The novel electro-hydraulic self-suspending rail clamping device as claimed in any one of claims 1 to 5, wherein: the spindle screw sequentially comprises a first thread section, a first rotating shaft section, a second thread section and a second rotating shaft section from bottom to top, a nut is screwed on the first thread section, a positioning nut is screwed on the second thread section, a lower bearing is installed on the first rotating shaft section, the middle of the spindle screw is rotatably connected with the top plate through the lower bearing, and a key groove is formed in the second rotating shaft section.

7. The novel electro-hydraulic self-suspension rail clamping device as claimed in claim 6, wherein: the top end of the second rotating shaft section is fixed with a square head, and a fixing screw hole is formed in the square head.

8. The novel electro-hydraulic self-suspension rail clamping device as claimed in claim 6, wherein: an upper cover plate is arranged above the top plate in parallel, the upper cover plate is connected with the top plate through a vertical fixing plate, an upper bearing is installed on a second rotating shaft section of the spindle screw, the spindle screw is rotatably connected with the upper cover plate through the upper bearing, and a rainproof cover is fixedly installed on the outer sides of the upper cover plate and the vertical fixing plate.

9. The novel electro-hydraulic self-suspension rail clamping device as claimed in claim 1, wherein: an electrical box is installed on the outer side of the main body support, and a guide channel steel is fixed below a top plate of the main body support.

10. The novel electro-hydraulic self-suspension rail clamping device as claimed in claim 1, wherein: the curb plate of main part support includes preceding curb plate, posterior lateral plate, left side board and right side board, and fixedly connected with consolidates the push pipe between preceding curb plate and the posterior lateral plate, and preceding curb plate outside fixed mounting has the anticollision to bump the head, and posterior lateral plate outside fixed mounting has the host computer connecting seat.