CN214698893U - Emergency brake device of bridge girder erection machine - Google Patents
Emergency brake device of bridge girder erection machine Download PDFInfo
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- CN214698893U CN214698893U CN202122484573.4U CN202122484573U CN214698893U CN 214698893 U CN214698893 U CN 214698893U CN 202122484573 U CN202122484573 U CN 202122484573U CN 214698893 U CN214698893 U CN 214698893U
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Abstract
The utility model discloses an emergency brake device of bridge girder erection machine, which comprises a frame, the inboard of frame is provided with the walking steel wheel, the outside fixedly connected with mounting panel of frame, the inboard of mounting panel is provided with the arrestment mechanism, the arrestment mechanism includes the hydraulic pressure propelling movement jar of fixing on the mounting panel, the one end piston rod fixedly connected with buffer gear of hydraulic pressure propelling movement jar, one side of buffer gear is provided with the sticis brake block, the surface of walking steel wheel is provided with the fixed brake block, and the position of fixed brake block corresponds with the position of sticis brake block; the utility model discloses a arrestment mechanism who sets up promotes the jar through hydraulic pressure when using and promotes to sticis the brake block and sticiss and carry out emergency braking on the walking steel wheel, and the fixed brake block friction enhancement on the brake cooperation walking steel wheel to quick braking directly guarantees braking effect to the walking steel wheel braking when using.
Description
Technical Field
The utility model relates to a bridge crane technical field especially relates to an emergent arresting gear of bridge crane.
Background
The bridge girder erection machine is equipment for placing prefabricated beam pieces on a prefabricated bridge pier. Bridge girder erection machines belong to the crane category, as their main function is to lift the beam piece up and then transport it into position and put it down. Bridge cranes are very different from cranes in general. The required conditions are harsh, and the beam piece runs upwards or is called longitudinal movement. The bridge girder erection machine is divided into a highway bridge erection machine, a conventional railway bridge erection machine, a passenger-dedicated railway bridge erection machine and the like. The bridge construction machine runs on a highway or a railway track and is used for erecting a small span beam on the whole span. Because the bridging work efficiency is high, the erection is considered as a design principle in the standard design of the railway bridge. The machine body is large and exceeds a railway transportation limit, needs to be disassembled for transportation, and is assembled for use after reaching a construction site.
The patent number is 20112030374 buffer gear 8.0 and discloses an emergency braking device for bridging machine, include the driving and prepare the switch, infrared sensor, a relay, audible-visual annunciator, emergency switch and electromagnetic release valve, infrared sensor's input sets up to prepare the switch to be connected with the power through the driving, infrared sensor's output sets up to be connected with the electro-magnet interface of relay, the relay is provided with interface A and interface B, interface A and interface B set up to through audible-visual annunciator, emergency switch and electromagnetic release valve are connected with the power, emergency switch sets up to be connected with the power circuit of bridging machine, the electromagnetic release valve sets up to be connected with the braking gas circuit of bridging machine, infrared sensor sets up the front end at the first wheel of the direction of advance of bridging machine, infrared sensor's detection direction sets up to corresponding with the rail.
The conventional emergency braking device for the bridge girder erection machine generally adopts a sensor and the like to sense so as to perform emergency braking when in use, but does not adopt a part for improving a braking implementation device, so that the braking effect is not ideal when in use, and the purpose of emergency braking cannot be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the braking effect is unsatisfactory when the emergency braking device is used, which is existed in the prior art, thereby the emergency braking device of the bridge girder erection machine can not be achieved.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an emergency brake device of bridge girder erection machine, includes the frame, the inboard of frame is provided with the walking steel wheel, the outside fixedly connected with mounting panel of frame, the inboard of mounting panel is provided with arrestment mechanism, arrestment mechanism is including fixing the hydraulic pressure propelling movement jar on the mounting panel, the one end piston rod fixedly connected with buffer gear of hydraulic pressure propelling movement jar, one side of buffer gear is provided with and sticiss the brake block, the surface of walking steel wheel is provided with the fixed brake block, and the position of fixed brake block and the position of sticising the brake block are corresponding.
The key concept of the technical scheme is as follows: the hydraulic pushing cylinder pushes the pressing brake block to press the traveling steel wheel to perform emergency braking, the braking effect is directly guaranteed for the braking of the traveling steel wheel, and the braking effect during emergency braking is enhanced by matching with the fixed brake block on the traveling steel wheel.
Furthermore, the fixed brake pad is annular, and the compact brake pad is disc-shaped.
Furthermore, a guide rod is arranged on the surface of the other side of the buffer mechanism, and one end of the guide rod is slidably mounted in the mounting plate.
Furthermore, buffer gear includes the cushion socket, one side of cushion socket is provided with the buffering post, the one end of buffering post with sticis brake block fixed connection, the other end slidable mounting of buffering post is in the cushion socket and fixedly connected with sticiss the shell fragment, the middle part that sticiss the shell fragment is provided with well spring, well spring is fixed at the middle part of cushion socket.
Furthermore, the shape of the compression spring piece is arranged to be splayed, the edge of the compression spring piece is fixedly connected with a sliding block, the sliding block is slidably mounted in the buffer seat, one end of the sliding block is fixedly connected with a side spring, and one end of the side spring is fixedly connected with the buffer seat.
Further, the sliding block is centrosymmetric and is installed in the buffer seat, and sticiss the position that the shell fragment edge corresponds the buffer seat and all be provided with the stabilizer blade, and sticiss the shell fragment through stabilizer blade and sliding block fixed connection.
The utility model has the advantages that:
1. through the arrestment mechanism who sets up, promote the jar through hydraulic pressure when using and promote to sticis the brake block and sticis and carry out emergency braking on walking steel wheel, and fixed brake block on the cooperation walking steel wheel strengthens friction at the braking in-process to quick braking directly guarantees braking effect to walking steel wheel braking when using.
2. Through the buffer gear who sets up, promote the jar through hydraulic pressure and promote buffer gear and sticis the brake block and brake, can cushion through side spring and well spring in the buffer gear to the reduction sticiss directly sticiss the impact damage that causes between brake block and the walking steel wheel.
3. Through the mounting panel that sets up, when using the snap-on in the frame, convenient quick the pulling down overhauls when brake mechanism breaks down to be convenient for daily to arresting gear maintain the change.
Drawings
Fig. 1 is a schematic perspective view of an emergency brake device of a bridge girder erection machine according to the present invention;
fig. 2 is a schematic structural view of an emergency brake device of a bridge girder erection machine provided by the utility model;
fig. 3 is the utility model provides a buffer gear structure sketch map of emergent arresting gear of bridge girder erection machine.
In the figure: 1. a frame; 2. mounting a plate; 3. a traveling steel wheel; 4. a brake mechanism; 5. fixing the brake pad; 6. pressing the brake block; 7. a hydraulic push cylinder; 8. a buffer mechanism; 9. a guide bar; 10. a buffer seat; 11. a side spring; 12. a slider; 13. pressing the elastic sheet; 14. a middle spring; 15. and (7) buffering the column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1 to 3 simultaneously, an emergency braking device for a bridge girder erection machine comprises a frame 1, a traveling steel wheel 3 is arranged on the inner side of the frame 1, an installation plate 2 is fixedly connected to the outer side of the frame 1, a braking mechanism 4 is arranged on the inner side of the installation plate 2, the braking mechanism 4 comprises a hydraulic pushing cylinder 7 fixed on the installation plate 2, a buffer mechanism 8 is fixedly connected to a piston rod at one end of the hydraulic pushing cylinder 7, a pressing brake pad 6 is arranged on one side of the buffer mechanism 8, a fixed brake pad 5 is arranged on the outer surface of the traveling steel wheel 3, and the position of the fixed brake pad 5 corresponds to the position of the pressing brake pad 6.
Wherein, the shape of the fixed brake block 5 is annular, the shape of the compressed brake block 6 is disc-shaped, the surface of the other side of the buffer mechanism 8 is provided with a guide rod 9, one end of the guide rod 9 is slidably mounted in the mounting plate 2, the buffer mechanism 8 comprises a buffer seat 10, one side of the buffer seat 10 is provided with a buffer column 15, one end of the buffer column 15 is fixedly connected with the compressed brake block 6, the other end of the buffer column 15 is slidably mounted in the buffer seat 10 and is fixedly connected with a compressed spring sheet 13, the middle part of the compressed spring sheet 13 is provided with a middle spring 14, the middle spring 14 is fixed in the middle part of the buffer seat 10, the compressed spring sheet 13 is splayed in shape, the edge of the compressed spring sheet 13 is fixedly connected with a sliding block 12, the sliding block 12 is slidably mounted in the buffer seat 10, one end of the sliding block 12 is fixedly connected with a side spring 11, one end of the side spring 11 is fixedly connected with the buffer seat 10, sliding block 12 is installed in buffer seat 10 in central symmetry, and sticiss shell fragment 13 edge and all be provided with the stabilizer blade in the position that corresponds buffer seat 10, and sticiss shell fragment 13 through stabilizer blade and sliding block 12 fixed connection.
The utility model discloses a theory of operation does: when in use, the bridge girder erection machine moves on the steel rail through the traveling steel wheel 3, when in emergency braking, the buffer mechanism 8 and the pressing brake block 6 can be driven by the hydraulic pushing cylinder 7 to move and press the fixed brake block 5 for braking, in order to reduce impact damage caused by direct compression between the compressed brake pad 6 and the travelling steel wheel 3, the cushioning can be achieved by pressing the brake pad 6 to cause the cushioning posts 15 to press against the pressing spring 13 and the middle spring 14, meanwhile, the pressing elastic sheet 13 deforms to push the sliding block 12 to slide, the sliding block 12 compresses the side spring 11 to assist in buffering, damage caused by direct pressing of the braking mechanism 4 is reduced, the braking is more stable through the guiding limit of the guide rod 9, when arrestment mechanism 4 broke down, thereby can directly pull down mounting panel 2 and pull down arrestment mechanism 4 and overhaul the change, convenient and fast more when carrying out the routine maintenance change.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an emergency brake device of bridge crane, includes frame (1), its characterized in that, the inboard of frame (1) is provided with walking steel wheel (3), the outside fixedly connected with mounting panel (2) of frame (1), the inboard of mounting panel (2) is provided with arrestment mechanism (4), arrestment mechanism (4) are including fixing hydraulic pressure promotion jar (7) on mounting panel (2), the one end piston rod fixedly connected with buffer gear (8) of hydraulic pressure promotion jar (7), one side of buffer gear (8) is provided with and sticiss brake block (6), the surface of walking steel wheel (3) is provided with fixed brake block (5), and the position of fixed brake block (5) and the position of sticising brake block (6) are corresponding.
2. An emergency brake device for bridge-erecting machines according to claim 1, characterized in that said fixed brake pad (5) is shaped as a ring and said hold-down brake pad (6) is shaped as a disc.
3. An emergency brake device for bridge erecting machine according to claim 1, wherein the other side surface of said buffer mechanism (8) is provided with a guide bar (9), and one end of said guide bar (9) is slidably mounted in the mounting plate (2).
4. The emergency braking device for the bridge girder erection machine according to claim 1, wherein the buffering mechanism (8) comprises a buffering seat (10), a buffering column (15) is arranged on one side of the buffering seat (10), one end of the buffering column (15) is fixedly connected with a pressing brake block (6), the other end of the buffering column (15) is slidably mounted in the buffering seat (10) and fixedly connected with a pressing spring piece (13), a middle spring (14) is arranged in the middle of the pressing spring piece (13), and the middle spring (14) is fixed in the middle of the buffering seat (10).
5. The emergency braking device for bridge erecting machine according to claim 4, wherein the shape of the pressing elastic sheet (13) is a splayed shape, a sliding block (12) is fixedly connected to the edge of the pressing elastic sheet (13), the sliding block (12) is slidably installed in the buffering seat (10), one end of the sliding block (12) is fixedly connected with a side spring (11), and one end of the side spring (11) is fixedly connected with the buffering seat (10).
6. The emergency braking device for bridge girder erection machine according to claim 5, wherein the sliding blocks (12) are installed in the buffer seat (10) in a central symmetry manner, and the pressing spring (13) has support legs at the edge corresponding to the buffer seat (10), and the pressing spring (13) is fixedly connected with the sliding blocks (12) through the support legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484573.4U CN214698893U (en) | 2021-10-15 | 2021-10-15 | Emergency brake device of bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484573.4U CN214698893U (en) | 2021-10-15 | 2021-10-15 | Emergency brake device of bridge girder erection machine |
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| Publication Number | Publication Date |
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| CN214698893U true CN214698893U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122484573.4U Active CN214698893U (en) | 2021-10-15 | 2021-10-15 | Emergency brake device of bridge girder erection machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177979A (en) * | 2021-11-26 | 2022-03-15 | 安徽中持环境科技有限公司 | Magnetic separation device for recovering multiple metals in copper smelting slag |
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2021
- 2021-10-15 CN CN202122484573.4U patent/CN214698893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177979A (en) * | 2021-11-26 | 2022-03-15 | 安徽中持环境科技有限公司 | Magnetic separation device for recovering multiple metals in copper smelting slag |
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