Embedded rail lifting device
By designing an embedded track rail lifting device, and using a lift to support the rail lifting hanger and lifting mechanism to clamp the rail, the problems of high construction costs, high safety risks and great limitations during the replacement of embedded track rails in the prior art are solved, and efficient and safe rail clamping and replacement are achieved.
Patent Information
- Application Number
- CN202421814755.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-29
AI Technical Summary
During the replacement of embedded rail rails, the existing technology uses cranes to remove old rails, resulting in high construction costs, high safety risks and high limitations, which cannot meet the on-site construction needs of embedded rails.
An embedded track rail lifting device is designed, and the rail lifting hanger is supported upwardly through two elevators. The hanger is equipped with a lifting mechanism for clamping the rails. The elevator controls the rail lifting hanger to rise or fall to drive the lifting mechanism to clamp the rails.
The problem of difficulty in starting rails with embedded tracks is solved, the safety and efficiency of clamping rails is improved, and construction costs are reduced.
Smart Images
Figure CN222821999U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of embedded track, in particular to an embedded track starting device. Background Art
[0002] In recent years, as the operation time of subways has gradually increased, more and more lines will face renovation and renewal. The market prospect of urban rail maintenance and renovation is huge. At present, there are as many as 24 cities in my country that have opened trams, with a total of 41 lines and an operating mileage of 580km. At present, when replacing the steel rails of embedded tracks, cranes are mostly used to remove the old tracks. This method has high construction costs, great safety risks, and great construction limitations. It cannot meet the on-site construction needs of embedded tracks. Therefore, it is urgent to design a track-lifting device suitable for embedded tracks. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies in the above-mentioned prior art and to provide an embedded track track lifting device, in which a track lifting hanger is supported upward by two elevators, a lifting mechanism for clamping the rails is provided on the track lifting hanger, and the elevator controls the rail lifting hanger to rise or fall to drive the lifting mechanism to clamp the rails, thereby solving the problem of difficult track lifting of the embedded track, improving the safety and clamping efficiency of clamping the rails, and reducing the construction cost at the same time.
[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an embedded track track lifting device, including a track lifting hanger, a limiting component, an elevator and a lifting mechanism, the track lifting hanger is a hollow rectangular structure, the limiting component is arranged at the middle of the upper side of the track lifting hanger along the length direction of the track lifting hanger to limit the movement of the lifting mechanism, the lower sides of the left and right ends of the track lifting hanger along the length direction are detachably installed with elevators to facilitate the elevator to control the rise or fall of the track lifting hanger, the lifting mechanism is sleeved on the track lifting hanger and perpendicular to the track lifting hanger, the top of the lifting mechanism is located in the limiting component, and the lower part of the lifting mechanism extends toward the lower side of the track lifting hanger to clamp the rail.
[0005] Preferably, the lifting mechanism includes a fall chain and a rail clamp, the length of the fall chain is set according to the initial height of the elevator, and after one end of the fall chain passes around the rail lifting bracket, the lengths of the fall chains on the front and rear sides of the rail lifting bracket are the same, and both end ends of the fall chain are connected to the rail lifting clamp.
[0006] Preferably, the track lifting hanger has a length of 700 mm, a width of 150 mm and a height of 150 mm.
[0007] Preferably, handles are welded to both left and right end portions of the track lifting hanger along the length direction, and the handles are located on the side of the track lifting hanger away from the elevator.
[0008] Preferably, the limiting component includes a first baffle and a second baffle, and the first baffle and the second baffle are respectively located on the left and right sides of the center of the track lifting hanger along the length direction of the track lifting hanger, and the first baffle and the second baffle are at the same distance from the center of the track lifting hanger, and the first baffle and the second baffle are the same size, and the length of the first baffle is 150 mm, the width is 10 mm, and the height is 50 mm.
[0009] Preferably, the lift is a hand-operated lift, the initial height of the lift is 700 mm, and the maximum lifting height of the lift is 300 mm.
[0010] Preferably, card interfaces are provided at the bottom of both left and right ends of the track-lifting hanger, and the size of the card interfaces matches the size of the top of the elevator to facilitate the elevator to be connected to the track-lifting hanger after passing through the card interfaces.
[0011] Compared with the prior art, the utility model has the following advantages:
[0012] 1. The utility model supports the rail lifting hanger upwards through two elevators, and a hoisting mechanism for clamping rails is arranged on the rail lifting hanger. The elevator controls the rail lifting hanger to rise or fall to drive the hoisting mechanism to clamp rails, thus solving the problem of difficult rail lifting of embedded tracks, improving the safety and efficiency of clamping rails, and reducing construction costs.
[0013] 2. The utility model is simple to manufacture, has a stable structure, and the manufacturing materials can be obtained on site. The manufacturing cost is low, and the embedded track can be safely and stably started, which reduces the use of large machinery, improves the efficiency of starting, and saves project costs.
[0014] 3. The utility model has handles welded on the left and right ends of the top of the track lifting hanger, through which the track lifting hanger can be steadily grasped for movement or installation, thus improving the convenience of installing the track lifting device.
[0015] 4. The limiting component of the utility model includes a first baffle and a second baffle, both of which are perpendicular to the track lifting hanger and are used to limit the left and right sliding of the lifting mechanism to avoid the track lifting device becoming unstable due to the left and right sliding of the lifting mechanism, which may lead to accidents.
[0016] 5. The lift of the utility model is a hand-cranked lift, and the lifting or lowering height of the lift can be controlled manually, which saves energy and is convenient to operate.
[0017] The present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0019] Figure 2 It is a schematic diagram of the top view structure of the utility model;
[0020] Figure 3 It is a side structural schematic diagram of the utility model.
[0021] Description of reference numerals:
[0022] 1—rail lifting bracket; 2—limiting component; 201—first baffle;
[0023] 202—second baffle; 3—elevator; 4—hoisting mechanism;
[0024] 5—falling chain; 6—rail clamp; 7—handle;
[0025] 8—Card interface; 9—Rail. DETAILED DESCRIPTION
[0026] like Figures 1 to 3 As shown, the utility model includes a track lifting hanger 1, a limiting component 2, an elevator 3 and a lifting mechanism 4. The track lifting hanger 1 is a hollow rectangular structure. The limiting component 2 is arranged at the upper middle part of the track lifting hanger 1 along the length direction of the track lifting hanger 1 to limit the movement of the lifting mechanism 4. The elevators 3 are detachably installed on the lower sides of the left and right ends of the track lifting hanger 1 along the length direction to facilitate the elevator 3 to control the track lifting hanger 1 to rise or fall. The lifting mechanism 4 is sleeved on the track lifting hanger 1 and is perpendicular to the track lifting hanger 1. The top of the lifting mechanism 4 is located in the limiting component 2, and the lower part of the lifting mechanism 4 extends toward the lower side of the track lifting hanger 1 to clamp the rail 9.
[0027] When the lifting mechanism 4 is lifted, the rail 9 is lifted and the lifting mechanism 4 is lifted.
[0028] The hoisting mechanism 4 includes a fall chain 5 and a rail clamp 6. The length of the fall chain 5 is set according to the initial height of the elevator 3. After one end of the fall chain 5 passes around the rail lifting bracket 1, the lengths of the fall chain 5 on the front and rear sides of the rail lifting bracket 1 are the same, and both ends of the fall chain 5 are connected to the rail clamp 6.
[0029] In this embodiment, one end of the fall chain 5 passes through the limit baffle 2 and reaches the other side of the rail lifting bracket 1. The fall chains 5 located at the front and rear sides of the rail lifting bracket 1 are of the same length. Both ends of the fall chain 5 are tightly connected to the rail clamp 6 to drive the rail clamp 6 to move up and down. Furthermore, a gasket is provided at the contact part of the inner side of the rail clamp 6 with the rail 9 to prevent the rail clamp 6 from directly contacting the rail 9, which may cause wear of the rail 9 or the rail clamp 6.
[0030] In another possible embodiment, the lifting mechanism 4 includes a lifting rod and a rail clamp 6. The lifting rod is a cylindrical rod. A connecting ring is provided at the bottom of the lifting rod. The lifting rod is connected to the rail clamp 6 through the connecting ring. A first through hole is horizontally provided at the top of the lifting rod near the end. A second through hole with the same diameter as the lifting rod is provided in the middle of the rail lifting hanger 1. After the lifting rod passes upward through the second through hole, a limiting rod is inserted into the first through hole. The length of the limiting rod is greater than the diameter of the second through hole, so that after the limiting rod passes through the first through hole, the left and right ends of the limiting rod are located on the rail lifting hanger 1, limiting the lifting rod from sliding downward, so that a fixed distance is always maintained between the rail clamp 6 at the bottom of the lifting rod and the rail lifting hanger 1.
[0031] The track lifting bracket 1 has a length of 700 mm, a width of 150 mm and a height of 150 mm.
[0032] The track lifting bracket 1 is welded from a steel plate with a thickness of 10 mm. The length of the steel plate is 700 mm and the width is 150 mm. Four steel plates are welded end to end along the length direction to form a cuboid.
[0033] Handles 7 are welded to both left and right ends of the track lifting bracket 1 along the length direction. The handles 7 are located on the side of the track lifting bracket 1 away from the elevator 3.
[0034] In the present embodiment, the handle 7 is an inverted U-shaped structure, and there are two handles 7 on each track lifting hanger 1. The lengths of the lateral ends of the two handles 7 are consistent with the width of the track lifting hanger 1, and the vertical ends of the two handles 7 are respectively welded to the left and right ends of the top of the track lifting hanger 1, so that the two handles 7 are respectively located at the left and right ends of the track lifting hanger 1 along the length direction, and the distances between the two handles 7 and the center of the track lifting hanger 1 are the same, which makes it convenient to steadily grasp the track lifting hanger 1 through the handles 7 when moving or installing the track lifting hanger 1.
[0035] Different from the above-mentioned embodiment, the left and right ends of the track-lifting hanger 1 along the length direction are welded with lifting rings, and the distances between the two lifting rings and the center of the track-lifting hanger 1 are the same, so that the track-lifting hanger 1 can be easily moved or installed by grabbing the lifting rings.
[0036] The limiting component 2 includes a first baffle 201 and a second baffle 202, which are respectively located on the left and right sides of the center of the track lifting hanger 1 along the length direction of the track lifting hanger 1, and the first baffle 201 and the second baffle 202 are at the same distance from the center of the track lifting hanger 1, and the first baffle 201 and the second baffle 202 are the same size, and the length of the first baffle 201 is 150 mm, the width is 10 mm, and the height is 50 mm.
[0037] In this embodiment, the first baffle 201 and the second baffle 202 are spaced apart along the length direction of the track lifting hanger 1, the first baffle 201 and the second baffle 202 are both perpendicular to the track lifting hanger 1, the length of the first baffle 201 and the length of the second baffle 202 are both consistent with the width of the track lifting hanger 1, and the first baffle 201 and the second baffle 202 are both welded to the width direction of the track lifting hanger 1 along the length direction, so that the first baffle 201 and the second baffle 202 can limit the position of the fall chain 5 after the fall chain 5 passes through between the first baffle 201 and the second baffle 202, so as to prevent the fall chain 5 from sliding along the track lifting hanger 1 and causing the track lifting device to become unstable, resulting in an accident.
[0038] The lift 3 is a hand-operated lift, the initial height of the lift 3 is 700 mm, and the maximum lifting height of the lift 3 is 300 mm.
[0039] In this embodiment, a square support plate is provided at the bottom of the elevator 3, and the elevator 3 is supported upward by the support plate. The height of the elevator 3 before working is 700mm. After the elevator 3 works, the elevator 3 is raised to a target distance along the lifting guide rail by a hand-cranked wheel according to the height of the embedded track. The maximum lifting height of the elevator 3 is 300mm, that is, the rail lifting hanger 1 can be pushed up to 300mm at most, and the rail lifting hanger 1 drives the rail clamp 6 to move the rail 9 in the embedded track up to 300mm at most; a plurality of elevators 3 are arranged along the length direction of the embedded track, and every two elevators 3 form a group, and the two elevators 3 of each group are respectively located on both sides of the embedded track, and each group of elevators 3 supports a rail lifting hanger 1 upward, and a hoisting mechanism 4 is arranged on the rail lifting hanger 1 to form a rail lifting device, and every two adjacent rail lifting devices are arranged at intervals along the length direction of the embedded track, and a plurality of rail lifting devices clamp a rail 9 together, thereby improving the stability and clamping efficiency of the rail lifting device clamping the rail 9.
[0040] Furthermore, a support seat is provided on the lower side of the square support plate at the bottom of the lift 3, and the support seat is a solid square wood. During operation, the square support plate of the lift 3 is placed flat on the support seat to ensure the lifting height of the rail.
[0041] In another embodiment, casters are installed at the bottom of the support plate of the elevator 3, and hydraulic legs are installed on both sides of the bottom surface of the support plate through flanges. When the hydraulic legs are retracted, the casters can be in contact with the ground, and the track-lifting device can be pushed to move by the casters. When the hydraulic legs are extended, the casters can be separated from the ground, and the elevator 3 is supported upward by the hydraulic legs, so that the track-lifting hanger 1 on the top of the elevator 3 can be kept horizontal, so as to avoid the track-lifting hanger 1 being unable to keep horizontal when the ground is unstable, resulting in instability of the track-lifting device. At the same time, by installing casters at the bottom of the elevator 3, the track-lifting device can be easily moved.
[0042] Furthermore, in order to reduce the labor intensity of the staff, the hand wheel of the hand-operated lift can be replaced with a reduction motor, and the lifting rod can be driven up or down by the drive shaft of the reduction motor. The distance between two adjacent track-lifting devices is then determined according to the output speed of the reduction motor, so as to achieve the purpose of improving the clamping efficiency while reducing labor costs.
[0043] The bottoms of the left and right ends of the track-lifting hanger 1 are both provided with card interfaces 8 , and the size of the card interfaces 8 matches the size of the top of the elevator 3 so that the elevator 3 can pass through the card interfaces 8 and be connected to the track-lifting hanger 1 .
[0044] In this embodiment, card interfaces 8 are provided on the bottom steel plates at the left and right ends of the track lifting hanger 1 along the length direction, and the steel plate at the top of the track lifting hanger 1 is closed. The elevator 3 is inserted into each card interface 8, and the top of the elevator 3 reaches the fastening frame inside the track lifting hanger 1 after passing through the card interface 8. The fastening frame extends vertically upward along the side walls around the card interface 8 and is welded to the steel plate at the top of the track lifting hanger 1. The elevator 3 can be fastened to the track lifting hanger 1 through the fastening frame to prevent the elevator 3 from shaking left and right, and a gasket is installed in the fastening frame to prevent the elevator 3 from directly contacting the fastening frame and causing wear, thereby extending the service life of the track lifting hanger 1 and the elevator 3.
[0045] When in use, multiple lifts 3 are divided into multiple groups in pairs, and multiple groups of lifts 3 are arranged at intervals along the length direction of the embedded track. The two lifts 3 in each group are respectively installed on the left and right sides of the embedded track and the connection line of the two lifts 3 is perpendicular to the embedded track. The connection method of the two lifts 3 in each group and the track-lifting hanger 1 is the same, that is, the card interface 8 at the bottom of the track-lifting hanger 1 is aligned with the top of the lift 3, and the two lifts 3 are respectively inserted into the card interfaces 8 at the left and right ends of the track-lifting hanger 1, so that the lift 3 is tightly connected to the track-lifting hanger 1, and then at each track-lifting hanger 1, a hoisting mechanism 4 is installed on each of the rail lifting devices 1, that is, a fall chain 5 is passed through the middle of the first baffle plate 201 and the second baffle plate 202, so that the fall chain 5 is located at the same length on the front and rear sides of the rail lifting hanger 1, and the two ends of the fall chain 5 are connected to the rail clamp 6. After the rail lifting device is installed, multiple rail lifting devices along the embedded track work synchronously, and each group of elevators 3 pushes the rail lifting hanger 1 on its top to move upward, and each rail lifting hanger 1 drives the fall chain 5 and the rail clamp 6 thereon to move upward synchronously until the rail 9 is separated from the embedded track, and multiple rail lifting devices stop working, and the rail 9 is clamped successfully. The device has a simple structure, convenient operation, and high rail lifting efficiency, which improves construction efficiency and reduces construction costs.
[0046] The above is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural transformation made to the above embodiments according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.
Claims
1. An embedded track starting device, characterized in that: The invention comprises a track lifting frame (1), a limiting component (2), an elevator (3) and a lifting mechanism (4); the track lifting frame (1) is a hollow rectangular parallelepiped structure; the limiting component (2) is arranged at the middle of the upper side of the track lifting frame (1) along the length direction of the track lifting frame (1) for limiting the movement of the lifting mechanism (4); the elevator (3) is detachably installed at the lower sides of the left and right ends of the track lifting frame (1) along the length direction, so that the elevator (3) can control the track lifting frame (1) to rise or fall; the lifting mechanism (4) is sleeved on the track lifting frame (1) and is perpendicular to the track lifting frame (1); the top of the lifting mechanism (4) is located in the limiting component (2); the lower part of the lifting mechanism (4) extends toward the lower side of the track lifting frame (1) to clamp the rail (9).
2. The embedded track lifting device according to claim 1, characterized in that: The hoisting mechanism (4) comprises a fall chain (5) and a rail clamp (6), the length of the fall chain (5) being set according to the initial height of the elevator (3), and after one end of the fall chain (5) passes around the rail lifting bracket (1), the lengths of the fall chains (5) on the front and rear sides of the rail lifting bracket (1) are the same, and both ends of the fall chain (5) are connected to the rail clamp (6).
3. The embedded track lifting device according to claim 1, characterized in that: The track lifting hanger (1) has a length of 700 mm, a width of 150 mm and a height of 150 mm.
4. The embedded track lifting device according to claim 1, characterized in that: Handles (7) are welded to both left and right end portions of the track lifting bracket (1) in the length direction, and the handles (7) are located on a side of the track lifting bracket (1) away from the elevator (3).
5. The embedded track starting device according to claim 1, characterized in that: The limiting component (2) comprises a first baffle (201) and a second baffle (202); the first baffle (201) and the second baffle (202) are respectively located on the left and right sides of the center of the track lifting hanger (1) along the length direction of the track lifting hanger (1); the first baffle (201) and the second baffle (202) are at the same distance from the center of the track lifting hanger (1); the first baffle (201) and the second baffle (202) are of the same size; the first baffle (201) has a length of 150 mm, a width of 10 mm, and a height of 50 mm.
6. The embedded track lifting device according to claim 1, characterized in that: The lift (3) is a hand-operated lift, the initial height of the lift (3) is 700 mm, and the maximum lifting height of the lift (3) is 300 mm.
7. The embedded track lifting device according to claim 1, characterized in that: The bottoms of the left and right ends of the track lifting hanger (1) are both provided with card interfaces (8), and the size of the card interfaces (8) matches the size of the top of the elevator (3) so that the elevator (3) can pass through the card interfaces (8) and be carded into the track lifting hanger (1).