CN216002566U - Subway track flatbed with brake equipment - Google Patents
Subway track flatbed with brake equipment Download PDFInfo
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- CN216002566U CN216002566U CN202122668077.4U CN202122668077U CN216002566U CN 216002566 U CN216002566 U CN 216002566U CN 202122668077 U CN202122668077 U CN 202122668077U CN 216002566 U CN216002566 U CN 216002566U
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Abstract
The utility model provides a subway track flatbed with brake equipment belongs to building construction equipment field. The technical scheme is as follows: comprises a bottom frame and a front brake mechanism; the underframe comprises a rectangular frame, the upper part of the rectangular frame is provided with a handrail, the bottom of the rectangular frame is provided with a plurality of wheels, and one side of each wheel is provided with a brake wheel; the front brake mechanism comprises a front support plate, first guide holes are formed in two sides of the front support plate, ejector rods penetrate through the first guide holes in the two sides, front brake blocks are arranged at one ends of the ejector rods in the two sides, a front connecting plate is arranged at the other end of the ejector rod in the two sides, and a front extension spring is arranged between the front connecting plate and the front support plate; the middle part of the front connecting plate is provided with a through hole, a brake cable penetrates through the through hole, one end of the brake cable is provided with a stop dog, and the other end of the brake cable is arranged on a brake handle. The utility model has the advantages that: the operation is convenient, and the state conversion of braking and running can be completed by a single person in the use process.
Description
Technical Field
The utility model relates to a construction equipment field especially relates to a subway track flatbed with brake equipment.
Background
Heavy objects such as equipment and materials need to be transported in the construction process of the subway track. The rail flatbed needs to carry out goods transportation on the rail. The prior track flat car adopts a track flat car without a brake or a track flat car adopting a foot brake.
During the construction process of the track flat car, safety accidents such as car sliding and car backing are easy to happen, and great potential safety hazards exist. However, the existing brake device of the rail flat car is complex in design and difficult to manufacture and maintain. In the using process, a single person cannot complete the state conversion of braking and running. One person is required to control the flat car, and the other person carries out brake replacement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an easy operation, labour saving and time saving's subway track flatbed with brake equipment.
The utility model discloses a realize through following measure:
a subway rail flat car with a brake device is characterized by comprising an underframe and a front brake mechanism arranged at the bottom of the underframe;
the chassis comprises a rectangular frame, a handrail is arranged at one end of the upper part of the rectangular frame along the length direction, a plurality of wheels are arranged at the bottoms of the two ends of the rectangular frame, and brake wheels are arranged on one sides of the wheels;
the front brake mechanism comprises a front support plate arranged between two sides of the rectangular frame along the width direction, first guide holes are formed in two sides of the front support plate and correspond to the brake wheels far away from the front end of the underframe of the handrail, ejector rods penetrate through the first guide holes in two sides, front brake blocks are arranged at one ends of the ejector rods in two sides and close to the brake wheels at the front end of the underframe, the front brake blocks are tightly attached to the wheel faces of the brake wheels at the front end of the underframe, a front connecting plate is arranged at the other end of the ejector rods in two sides, a front tension spring is arranged between the front connecting plate and the front support plate, one end of the front tension spring is fixed on the top plate, and the other end of the front tension spring is fixed on the front support plate;
the middle part of the front connecting plate is provided with a through hole, a brake cable penetrates through the through hole, one end, close to the front supporting plate, of the brake cable is provided with a stop dog, the other end of the brake cable is arranged on a brake handle, and the brake handle is arranged on the handrail.
The utility model discloses a concrete characteristics have in addition:
the bottom of the underframe and one side far away from the front brake mechanism are provided with rear brake mechanisms which are symmetrical to each part of the front brake mechanism, two sides of a rear supporting plate which is symmetrical to the front supporting plate are respectively provided with a second guide hole, a push rod penetrates through the two sides of the second guide holes, the push rods at two sides and one end near the rear end of the underframe are respectively provided with a cross rod, the cross rods at two sides are respectively provided with a first sliding groove, a slide rod is arranged in the first sliding grooves at two sides, the middle parts of the slide rods at two sides are respectively provided with a rotating shaft, the rotating shafts at two sides and one end far away from the slide rod are respectively arranged on a fixed plate, the fixed plate is arranged on the underframe, and the other ends of the push rods at two sides are provided with an arc-shaped plate;
and the brake line is provided with a pushing block matched with the sliding rods on the two sides.
The fixed plate bottom is provided with the deflector, be provided with the slide rail on the deflector, be provided with the guide block in the slide rail, the guide block sets up promote on the piece.
The inner side surfaces of two sides of the rectangular frame are symmetrically provided with second sliding grooves corresponding to the front brake mechanism and the rear brake mechanism respectively, the second sliding grooves on two sides are internally provided with sliding blocks, the sliding blocks on two sides are corresponding to the sliding blocks and are respectively provided with the front supporting plate and the rear supporting plate, the end parts of the second sliding grooves on two sides are provided with fixed blocks, the fixed blocks are provided with threaded holes, the end parts of the corresponding pre-tightening bolts are respectively and tightly leaned against the side surfaces of the front supporting plate and the rear supporting plate, when a brake system is installed or replaced, the front brake block and the rear brake block symmetrical to the front brake block are tightly clung to the corresponding wheel surface of the brake wheel, and then the corresponding front supporting plate and the rear supporting plate are slid to ensure that the front tension spring and the rear tension spring symmetrical to the front tension spring are in a tension state, and ensuring that the brake wheel obtains enough brake performance, and then rotating the pre-tightening bolt to fix the positions of the front supporting plate and the rear supporting plate.
When the device is in a static state, the front brake mechanism and the rear brake mechanism can lock wheels under the action of the front extension spring and the rear extension spring symmetrical to the front extension spring, so that the flat car cannot move, the phenomenon of sliding of the flat car caused by road gradient and the like when the flat car is static is avoided, and danger is avoided;
when the transportation goods need to move the flatbed, the hand grips the brake handle, at this moment the brake cable can pull the front support plate of the front brake mechanism, so that the front brake block is separated from the brake wheel at the front end of the underframe, and meanwhile the pushing block on the brake cable can push the slide rod to rotate. When the sliding rod rotates, one end matched with the first sliding groove can push the push rod to move towards the front end of the underframe, and then the arc-shaped plate is driven to push the rear connecting plate symmetrical to the front connecting plate to move towards the front end of the underframe, so that the rear brake block symmetrical to the front brake block is separated from the brake wheel at the rear end of the underframe, and therefore the flat car can move smoothly.
The utility model has the advantages that: simple structure, convenient operation, single in the use just can accomplish the state conversion of brake, operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a front view of the embodiment of the present invention.
Fig. 3 is a bottom view of the embodiment of the present invention.
Fig. 4 is an enlarged view of a in fig. 1.
Wherein the reference numerals are: 1. a wheel; 2. a handrail; 3. a brake handle; 4. a slide bar; 5. a cross bar; 6. a push rod; 7. a rear support plate; 8. a front connecting plate; 9. a front tension spring; 10. a front support plate; 11. a second chute; 12. a top rod; 13. a stopper; 14. pre-tightening the bolts; 15. an arc-shaped plate; 16. a rear extension spring; 17. a rear connecting plate; 18. a front brake block; 19. a brake cable; 20. a brake wheel; 21. a fixing plate; 22. a guide plate; 23. a guide block; 24. and (4) pushing the block.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1-4, a subway rail flat car with a brake device comprises an underframe and a front brake mechanism arranged at the bottom of the underframe;
the underframe comprises a rectangular frame, a handrail 2 is arranged at one end of the upper part of the rectangular frame along the length direction, a plurality of wheels 1 are arranged at the bottoms of the two ends of the rectangular frame, and brake wheels 20 are arranged on one sides of the wheels 1;
the front brake mechanism comprises a front support plate 10 arranged between two sides of the rectangular frame along the width direction, first guide holes are formed in two sides of the front support plate 10, the first guide holes correspond to brake wheels 20 far away from the front end of the underframe of the handrail 2, ejector rods 12 penetrate through the first guide holes in the two sides, front brake blocks 18 are arranged at one ends of the ejector rods 12 in the two sides and close to the brake wheels 20 at the front end of the underframe, the front brake blocks 18 are tightly attached to the wheel surfaces of the brake wheels 20 at the front end of the underframe, a front connecting plate 8 is arranged at the other end of the ejector rods 12 in the two sides, a front tension spring 9 is arranged between the front connecting plate 8 and the front support plate 10, one end of the front tension spring 9 is fixed on the top plate, and the other end of the front tension spring is fixed on the front support plate 10;
the middle part of the front connecting plate 8 is provided with a through hole, a brake cable 19 penetrates through the through hole, one end, close to the front support plate 10, of the brake cable 19 is provided with a stop dog 13, the other end of the brake cable 19 is arranged on the brake handle 3, and the brake handle 3 is arranged on the handrail 2.
The bottom of the underframe and one side far away from the front brake mechanism are provided with rear brake mechanisms which are symmetrical to each part of the front brake mechanism, two sides of a rear support plate 7 which is symmetrical to the front support plate 10 are both provided with second guide holes, push rods 6 are arranged through the second guide holes on the two sides, the push rods 6 on the two sides and one end near the rear end of the underframe are both provided with a cross rod 5, the cross rods 5 on the two sides are both provided with first chutes, slide rods 4 are arranged in the first chutes on the two sides, the middle parts of the slide rods 4 on the two sides are both provided with rotating shafts, the rotating shafts on the two sides and one end far away from the slide rods 4 are both arranged on a fixed plate 21, the fixed plate 21 is arranged on the underframe, and the other ends of the push rods 6 on the two sides are provided with an arc-shaped plate 15;
the brake cable 19 is provided with a pushing block 24 matched with the sliding rods 4 on the two sides.
The bottom of the fixed plate 21 is provided with a guide plate 22, the guide plate 22 is provided with a slide rail, the slide rail is internally provided with a guide block 23, and the guide block 23 is arranged on a pushing block 24.
The inner side surfaces of two sides of the rectangular frame are symmetrically provided with second chutes 11 respectively corresponding to the front brake mechanism and the rear brake mechanism, the second chutes 11 on two sides are internally provided with slide blocks, a front support plate 10 and a rear support plate 7 are respectively arranged between the corresponding slide blocks on two sides, the end parts of the second chutes 11 on two sides are respectively provided with a fixed block, the fixed blocks are provided with threaded holes, pre-tightening bolts 14 are arranged in the threaded holes, the end parts of the corresponding pre-tightening bolts 14 are respectively abutted against the side surfaces of the front support plate 10 and the rear support plate 7, when the brake system is installed or replaced, the front brake block 18 and the rear brake block symmetrical to the front brake block 18 are abutted against the wheel surface of the corresponding brake wheel 20, and then the corresponding front support plate 10 and the rear support plate 7 are slid, so that the front tension spring 9 and the rear tension spring 16 symmetrical to the front tension spring 9 are in a tension state, and the brake wheel 20 is ensured to obtain enough brake performance, then, the pretensioning bolt 14 is rotated to fix the positions of the front support plate 10 and the rear support plate 7.
When the device is in a static state, the front brake mechanism and the rear brake mechanism can lock the wheels 1 under the action of the front extension spring 9 and the rear extension spring 16 which is symmetrical to the front extension spring 9, so that the flat car cannot move, and the phenomenon of sliding of the flat car caused by road gradient and the like when the flat car is in a static state is avoided, thereby avoiding danger;
when the transportation goods need to move the flatbed, the hand grips the brake handle 3, at this moment, the brake cable 19 will pull the front support plate 10 of the front brake mechanism, so that the front brake block 18 is separated from the brake wheel 20 at the front end of the chassis, and simultaneously the push block 24 on the brake cable 19 will push the slide bar 4 to rotate. When the sliding rod 4 rotates, one end matched with the first sliding groove can push the push rod 6 to move towards the front end of the underframe, and further the arc-shaped plate 15 is driven to push the rear connecting plate 17 symmetrical to the front connecting plate 8 to move towards the front end of the underframe, so that the rear brake block symmetrical to the front brake block 18 is separated from the brake wheel 20 at the rear end of the underframe, and the flat car can move smoothly.
The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.
Claims (4)
1. A subway rail flat car with a brake device is characterized by comprising an underframe and a front brake mechanism arranged at the bottom of the underframe;
the chassis comprises a rectangular frame, a handrail (2) is arranged at one end of the upper portion of the rectangular frame along the length direction, a plurality of wheels (1) are arranged at the bottoms of the two ends of the rectangular frame, and brake wheels (20) are arranged on one sides of the wheels (1);
the front brake mechanism comprises a front support plate (10) arranged between two sides of the rectangular frame in the width direction, first guide holes are formed in two sides of the front support plate (10), the first guide holes correspond to brake wheels (20) far away from the front end of the underframe of the handrail (2), ejector rods (12) are arranged through the first guide holes in the two sides, front brake blocks (18) are arranged at one ends of the ejector rods (12) in the two sides and close to the brake wheels (20) in the front end of the underframe, the front brake blocks (18) are tightly attached to the wheel faces of the brake wheels (20) in the front end of the underframe, front connecting plates (8) are arranged at the other ends of the ejector rods (12) in the two sides, and a front tension spring (9) is arranged between each front connecting plate (8) and the front support plate (10);
the middle part of the front connecting plate (8) is provided with a through hole, the through hole is penetrated to be provided with a brake cable (19), the brake cable (19) is close to one end of the front supporting plate (10) and is provided with a stop block (13), the other end of the brake cable (19) is arranged on a brake handle (3), and the brake handle (3) is arranged on the handrail (2).
2. A subway rail flat car with a brake device as claimed in claim 1, wherein a rear brake mechanism symmetrical to each component of said front brake mechanism is provided at the bottom of said underframe and at the side far from said front brake mechanism, second guide holes are provided at both sides of a rear support plate (7) symmetrical to said front support plate (10), push rods (6) are provided through said second guide holes at both sides, a cross rod (5) is provided at both sides of said push rods (6) and at the end near the rear end of said underframe, first slide grooves are provided at both sides of said cross rod (5), slide rods (4) are provided in said first slide grooves at both sides, a rotating shaft is provided at the middle part of said slide rods (4) at both sides, said rotating shaft at both sides and the end far from said slide rods (4) are provided on a fixing plate (21), said fixing plate (21) is provided on said underframe, the other end of the push rod (6) at two sides is provided with an arc-shaped plate (15);
and the brake cable (19) is provided with a pushing block (24) matched with the sliding rods (4) at two sides.
3. A subway rail platform car with a brake device as claimed in claim 2, wherein a guide plate (22) is provided at the bottom of said fixed plate (21), a slide rail is provided on said guide plate (22), a guide block (23) is provided in said slide rail, and said guide block (23) is provided on said push block (24).
4. A subway rail flat car with a brake device as claimed in claim 3, wherein said rectangular frame is symmetrically provided with second sliding grooves (11) on two sides thereof corresponding to said front brake mechanism and said rear brake mechanism, said second sliding grooves (11) on two sides are provided with sliding blocks, said sliding blocks on two sides are provided with said front support plate (10) and said rear support plate (7), said second sliding grooves (11) on two sides are provided with fixing blocks, said fixing blocks are provided with threaded holes, said threaded holes are provided with pre-tightening bolts (14), and said pre-tightening bolts (14) are respectively abutted against said front support plate (10) and said rear support plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122668077.4U CN216002566U (en) | 2021-11-03 | 2021-11-03 | Subway track flatbed with brake equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122668077.4U CN216002566U (en) | 2021-11-03 | 2021-11-03 | Subway track flatbed with brake equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216002566U true CN216002566U (en) | 2022-03-11 |
Family
ID=80586132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122668077.4U Active CN216002566U (en) | 2021-11-03 | 2021-11-03 | Subway track flatbed with brake equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216002566U (en) |
-
2021
- 2021-11-03 CN CN202122668077.4U patent/CN216002566U/en active Active
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