Track jack for track maintenance

By designing a track maintenance lifter, which utilizes a combination of a base, lifting frame, and hydraulic mechanism, the problem of position adjustment during track lifting and lowering is solved, achieving stable track lifting and precise docking, and improving maintenance efficiency.

CN224016044UActive Publication Date: 2026-03-20SHANDONG URBAN CONSTR VOCATIONAL COLLEGE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing hydraulic track lifting machines cannot adjust the track position during track lifting and lowering, causing track deviation and affecting maintenance efficiency.

Method used

A track maintenance lifter was designed, which adopts a combination structure of base, lifting frame, push plate and hydraulic mechanism. The track is stably lifted and its position is adjusted by hydraulic control, and the track is precisely connected by leveling components and hydraulic rods.

Benefits of technology

It achieved stable lifting and precise docking of the track, improving the efficiency and accuracy of track maintenance and simplifying the operation process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224016044U_ABST
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Abstract

The utility model relates to the technical field of track lifting devices, in particular to a track maintenance track lifting device which comprises a base, the base is arranged to be in an inverted T shape, two L-shaped plate grooves are formed in the side face and the bottom of a vertical portion of the base, two through holes are formed in the top of the base and communicated with the top ends of the two plate grooves respectively, and the two through holes are communicated with the top ends of the two plate grooves respectively. Two through holes are formed in the base, two plate grooves are formed in the base, lifting frames are movably inserted into the two plate grooves, the top ends of the two lifting frames penetrate through the two through holes respectively, top plates extending backwards are fixedly installed at the top ends of the two lifting frames, and a hydraulic mechanism is arranged between the top of the transverse straight part on the rear portion of the base and the top plates. And then a handle is shaken to enable the hydraulic cylinder to push the top plate to move upwards, so that the two lifting frames are driven to lift the rails, when the rails fall, the hydraulic rod is controlled to push the push plate, the push plate pushes the rails on the two lifting frames to move, and therefore the positions of the rails are adjusted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to track maintenance track laying device technical field, especially track maintenance track laying device. BACKGROUND

[0002] The hydraulic track laying machine is an important equipment for railway maintenance, which is mainly composed of a hydraulic transmission part and a lever part, and has a simple and solid appearance, compact overall structure, and no other power consumption for manual operation, and can be lifted up and down by a manual lever, and has the advantages of high oil pressure, less leakage, no noise, convenient carrying, and is suitable for railway track transposition operation, and provides great convenience for railway maintenance work.

[0003] The hydraulic track laying machine can lift the track in the railway, and the track after lifting the position is convenient for maintenance, and when the track maintenance is completed and the position is lowered, the device is not necessarily in a horizontal state when placed and used, which may cause the track to deviate during lifting, and the common track laying machine cannot adjust the position of the track during lifting, and other devices are needed to adjust the position of the track after the track falls on the road surface, in order to improve the maintenance efficiency of the track, the track maintenance track laying device is provided. UTILITARIAN CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a track maintenance track laying device to solve the problem that the track laying machine in the background art cannot adjust the position of the track during lifting.

[0005] In order to achieve the above purpose, the utility model is realized by the following technical scheme: an important equipment for railway maintenance, including base, base setting is inverted T shape, the side surface and the bottom of the vertical part of base are provided with two L-shaped plate grooves, two through holes are formed in the top of base, two through holes are communicated with the top of two plate grooves respectively, two lifting frames are movably inserted in two plate grooves, the top of two lifting frames penetrates two through holes respectively, and a top plate extending backward is fixedly installed at the top of two lifting frames, a hydraulic mechanism is arranged between the top of the horizontal part of base rear and the top plate, the front side of the vertical part of two lifting frames is provided with a push plate which can be lifted together, the bottom of push plate is in contact with the top of horizontal part of lifting frame, and leveling assembly is arranged at the bottom of base.

[0006] Optionally, the leveling assembly comprises a bottom plate, a fixed shaft and two first bolts, the bottom plate is arranged at the bottom of the base, the fixed shaft is fixedly installed at the bottom of the front side of the base, one end of the bottom plate is rotatably sleeved on the fixed shaft, first screw holes are formed at two corners of the rear side of the base, the two first bolts are respectively screwed into the two first screw holes, and the two first bolts are respectively arranged at the two corners of the top of the bottom plate away from the fixed shaft, fixed blocks are fixedly installed at the rear side of the bottom plate and the base, and a second bolt is inserted through the two fixed blocks.

[0007] Optionally, the bottom end of the vertical part of each lifting frame is inserted through and fixedly connected with a fixed tube, and the rear side of the push plate is fixedly connected with a positioning rod.

[0008] Optionally, a vertical moving groove is formed at the middle position of the front side of the vertical part of the base, slot openings are formed at the two sides of the moving groove and are in communication with the two plate grooves, the side walls of the two fixed tubes are fixedly connected with two connecting plates, the two connecting plates are inserted through the two slot openings, respectively, and a hydraulic rod is fixedly installed between the two connecting plates in the moving groove, and the extension end of the hydraulic rod is fixedly connected to the center of the back of the push plate.

[0009] Optionally, the hydraulic rod can move up and down in the moving groove, and the rear end of the hydraulic rod is arranged at the inner side of the moving groove, the height of the moving groove is the same as the height of the slot opening.

[0010] Optionally, the hydraulic mechanism comprises a base and a hydraulic cylinder, the base is fixedly installed at the top of the horizontal part of the rear side of the base, the hydraulic cylinder is fixedly installed on the base, and the top end of the piston rod in the hydraulic cylinder is fixedly connected to the bottom of the top plate, a pressurizing rod connected with the plunger rod is arranged on one side of the base, a handle is movably inserted into the bottom end of the pressurizing rod, a pressure relief valve is arranged on the other side of the base, and a through opening flush with the rear side of the lifting frame is formed in the top of the top plate.

[0011] The utility model discloses the beneficial effects of:

[0012] 1. First, the horizontal part of the front side of the base is placed below the track, then the two fixed blocks are separated by unscrewing the second bolt, one end of the bottom plate can be flipped around the fixed shaft as the center, then the two first bolts are screwed to make the bottom plate change the inclination angle, the front and rear ends of the top plate are different in height, so that the bottom plate can be adjusted according to the ground where the base is placed, so that the base above the bottom plate can be kept as horizontal as possible, then the handle is inserted into the pressurizing rod, and the hydraulic cylinder can be controlled by repeatedly pressing the handle to make the piston rod in the hydraulic cylinder push the top plate upwards, the top plate will drive the two lifting frames to move upwards in the through hole and the plate groove, so that the horizontal part of the two lifting frames can complete the lifting of the track, and then the track can be maintained, which is simple and convenient, and the two lifting frames can lift the track more stably.

[0013] 2, the lifting frame moves up, and the push plate moves up, and the push plate is located on one side of the track, when the track maintenance is completed and the height is lowered, if the track position butt joint deviation occurs, by controlling the hydraulic rod in the moving groove to extend, the hydraulic rod will push the push plate to make it push the track to move on the lifting frame, so as to complete the position adjustment of the track, so that the track after maintenance can directly butt joint with other tracks after falling. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0015] Figure 1 It is a schematic view of the structure of the whole utility model;

[0016] Figure 2 It is a schematic view of the structure of the back of the utility model;

[0017] Figure 3 It is a schematic view of the structure of the base of the utility model;

[0018] Figure 4 It is a schematic view of the structure of the base of the utility model;

[0019] Figure 5 It is a schematic view of the structure of the lifting frame and the push plate connection of the utility model;

[0020] Figure 6 It is a schematic view of the structure of the lifting frame and the hydraulic rod connection of the utility model;

[0021] In the figure: 1, base; 2, plate groove; 3, through hole; 4, lifting frame; 5, top plate; 61, base; 62, hydraulic cylinder; 63, pressure rod; 64, pressure relief valve; 65, handle; 7, fixed tube; 8, positioning rod; 9, push plate; 10, moving groove; 11, slot; 12, link plate; 13, hydraulic rod; 14, mouth; 151, bottom plate; 152, fixed shaft; 153, first bolt; 154, fixed block; 155, second bolt. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the following will further describe the present application in conjunction with specific embodiments.

[0023] Please refer to Figures 1-6This utility model provides a technical solution: an important piece of equipment for railway maintenance, including a base 1, which is configured as an inverted T-shape. Two L-shaped grooves 2 are formed on the side and bottom of the vertical part of the base 1. Two through holes 3 are formed on the top of the base 1, each communicating with the top of one of the two grooves 2. Lifting frames 4 are movably inserted into each of the two grooves 2, with the tops of the two lifting frames 4 passing through the two through holes 3. A rearwardly extending top plate 5 is fixedly installed on the top of each of the two lifting frames 4. The top of the horizontal part at the rear of the base 1 is connected to the top plate. A hydraulic mechanism is installed between the two lifting frames 4. A push plate 9 that can be raised and lowered together is installed on the front side of the vertical part of the two lifting frames 4. The bottom of the push plate 9 contacts the top of the horizontal part of the lifting frame 4. A leveling component is installed at the bottom of the base 1. By operating the hydraulic mechanism, the top plate 5, the two lifting frames 4 and the push plate 9 can be adjusted in position and height together. The two lifting frames 4 can stably lift and lower the track. During the descent of the track, the position of the track can be adjusted by pushing the push plate 9, so that the track can be accurately connected with other tracks after it falls to the ground.

[0024] like Figure 1 and Figure 2 As shown, the leveling assembly includes a base plate 151, a fixed shaft 152, and two first bolts 153. The base plate 151 is placed at the bottom of the base 1, and the fixed shaft 152 is fixedly installed on the bottom of the front side of the base 1. One end of the base plate 151 is rotatably sleeved on the fixed shaft 152. First screw holes are provided at two corners on the rear side of the base 1, and the two first bolts 153 are threaded into the two first screw holes respectively. The two first bolts 153 abut against the two corners at the top of the base plate 151 away from the fixed shaft 152. The base plate 151 and the rear side of the base 1... Each base plate 151 is fixedly installed with a fixing block 154. A second bolt 155 is inserted between two fixing blocks 154. By unscrewing the second bolt 155, one end of the base plate 151 can be rotated around the fixing shaft 152. Then, by turning the two first bolts 153, the base plate 151 is pushed, thereby changing the tilt angle of the base plate 151 and making the front and rear ends of the base plate 151 different in height. In this way, the base plate 151 can be adjusted appropriately according to the ground where the base 1 is placed, so that the base 1 above the base plate 151 is kept as horizontal as possible.

[0025] like Figure 5 and Figure 6 As shown, the bottom ends of the vertical parts of the two lifting frames 4 are both connected to fixed pipes 7, and the two ends of the push plate 9 are both fixedly installed with positioning rods 8. The two positioning rods 8 are respectively movably inserted into the corresponding fixed pipes 7. By the cooperation of the two fixed pipes 7 and the positioning rods 8, the positions of the two ends of the push plate 9 can be fixed, making the push plate 9 more stable when pushed by the hydraulic rod 13.

[0026] likeFigure 1 , Figure 3 and Figure 5 As shown, a vertical moving groove 10 is provided at the middle position of the front of the vertical part of the base 1. On both sides of the moving groove 10, there are slots 11 that communicate with the two plate slots 2. Connecting plates 12 are fixedly installed on the side walls of the two fixed pipes 7. The two connecting plates 12 are respectively inserted into the two slots 11. A hydraulic rod 13 located in the moving groove 10 is fixedly installed between the two connecting plates 12. The telescopic end of the hydraulic rod 13 is fixedly connected to the center of the back of the push plate 9. The hydraulic rod 13 can be adjusted in position and height together with the lifting frame 4 through the two connecting plates 12.

[0027] like Figure 1 , Figure 3 and Figure 5 As shown, the hydraulic rod 13 can move up and down inside the moving groove 10, and the rear end of the hydraulic rod 13 abuts against the inner side of the moving groove 10. The height of the moving groove 10 is the same as the height of the groove opening 11. When the hydraulic rod 13 extends its telescopic end, the rear end of the hydraulic rod 13 abuts against the inner wall of the moving groove 10, thereby pushing the push plate 9 and the track on its side.

[0028] like Figure 1 and Figure 2 As shown, the hydraulic mechanism includes a base 61 and a hydraulic cylinder 62. The base 61 is fixedly mounted on the top of the rear horizontal section of the base 1. The hydraulic cylinder 62 is fixedly mounted on the base 61, and the top of the piston rod in the hydraulic cylinder 62 is fixedly connected to the bottom of the top plate 5. A pressure rod 63 connected to the plunger rod is provided on one side of the base 61. A handle 65 is movably inserted into the bottom end of the pressure rod 63. A pressure relief valve 64 is provided on the other side of the base 61. The repeated swinging of the pressure rod 63 can cause the hydraulic oil to push the piston rod upward, thus pushing the top plate 5 and the two lifting frames 4 at its bottom upward. The handle 65 can reduce the force required when pressing down, which has the effect of saving effort. The top of the top plate 5 has an opening 14 flush with the rear side of the lifting frame 4. By providing an opening 14 on the top plate 5, it is convenient for the staff to lift the device by hand, which increases the convenience of moving the device.

[0029] Working principle: first by screwing two first bolt 153 with the base 1 on the first screw hole screw rotation, thus pushing the bottom plate 151 one end of the fixed shaft 152 as the center angle of the other end of the flip, according to the base 1 placed position of the ground on the bottom plate 151 inclination angle of the appropriate adjustment, so that the base 1 to keep the horizontal state as far as possible, and then use hydraulic linkage mechanical structure to realize the lifting of the track and accurate positioning, the working process is divided into two stages: first by handle 65 drive hydraulic system, the operator repeatedly press the handle 65, when the pressure rod 63 into hydraulic energy conversion mechanical energy, push the hydraulic cylinder 62 piston rod vertical movement and drive the top plate 5 synchronous up, the top plate 5 through the rigid connection of the double lifting frame 4 in the preset hole 3 and plate groove 2 under the guidance of stable lifting, its horizontal straight department form symmetrical support structure, effectively disperses the track load, in the lifting process to maintain the track horizontal stability, when the maintenance is completed by the pressure relief valve 64 pressure relief, track with lifting frame 4 slow down reset; in the track down process, if the track butt joint error, can start the auxiliary hydraulic rod 13 in the moving groove 10, make it push plate 9 on the track side to apply precise thrust, make the track in the horizontal direction of position adjustment, finally ensure the track end face and other track segment to realize seamless butt joint.

[0030] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments which can be understood by those skilled in the art.

Claims

1. A track maintenance lifter, comprising a base (1), characterized in that, The base (1) is configured as an inverted T-shape. Two L-shaped slots (2) are opened on the side and bottom of the vertical part of the base (1). Two through holes (3) are opened on the top of the base (1). The two through holes (3) are connected to the top of the two slots (2). Lifting frames (4) are movably inserted in the two slots (2). The top of the two lifting frames (4) passes through the two through holes (3). A rearward-extending top plate (5) is fixedly installed on the top of the two lifting frames (4). A hydraulic mechanism is provided between the top of the horizontal part of the base (1) and the top plate (5). A push plate (9) that can be raised and lowered together is provided on the front side of the vertical part of the two lifting frames (4). The bottom of the push plate (9) contacts the top of the horizontal part of the lifting frame (4). A leveling component is provided at the bottom of the base (1).

2. The track maintenance lifter according to claim 1, characterized in that, The leveling assembly includes a base plate (151), a fixed shaft (152), and two first bolts (153). The base plate (151) is placed at the bottom of the base (1). The fixed shaft (152) is fixedly installed at the bottom of the front side of the base (1). One end of the base plate (151) is rotatably sleeved on the fixed shaft (152). Two first screw holes are provided at the two corners on the rear side of the base (1). The two first bolts (153) are threaded into the two first screw holes respectively. The two first bolts (153) are respectively abutted at the two corners on the top of the base plate (151) away from the fixed shaft (152). Fixing blocks (154) are fixedly installed on the rear side of the base plate (151) and the base (1). A second bolt (155) is inserted through the two fixing blocks (154).

3. A track maintenance lifter according to claim 1, characterized in that, The bottom ends of the vertical parts of the two lifting frames (4) are both connected to fixed tubes (7), and the two ends of the push plate (9) are both fixedly installed with positioning rods (8). The two positioning rods (8) are respectively movably inserted into the corresponding fixed tubes (7).

4. A track maintenance lifter according to claim 3, characterized in that, A vertical moving groove (10) is provided at the middle position of the front of the vertical part of the base (1). On both sides of the moving groove (10), there are slots (11) that communicate with the two plate slots (2). The side walls of the two fixed pipes (7) are fixedly installed with connecting plates (12). The two connecting plates (12) are respectively inserted into the two slots (11). A hydraulic rod (13) located in the moving groove (10) is fixedly installed between the two connecting plates (12). The telescopic end of the hydraulic rod (13) is fixedly connected to the center of the back of the push plate (9).

5. A track maintenance lifter according to claim 4, characterized in that, The hydraulic rod (13) can move up and down in the moving groove (10), and the rear end of the hydraulic rod (13) abuts against the inner side of the moving groove (10). The height of the moving groove (10) is the same as the height of the groove opening (11).

6. A track maintenance lifter according to claim 1, characterized in that, The hydraulic mechanism includes a base (61) and a hydraulic cylinder (62). The base (61) is fixedly installed on the top of the rear horizontal section of the base (1). The hydraulic cylinder (62) is fixedly installed on the base (61), and the top of the piston rod in the hydraulic cylinder (62) is fixedly connected to the bottom of the top plate (5). A pressure rod (63) connected to the plunger rod is provided on one side of the base (61). A handle (65) is movably inserted into the bottom end of the pressure rod (63). A pressure relief valve (64) is provided on the other side of the base (61). The top of the top plate (5) has an opening (14) flush with the rear side of the lifting frame (4).