Precast track slab fine adjustment device
By designing a fine-tuning device for prefabricated track slabs and utilizing the coordination of the first and second stroke adjustment devices, high-precision adjustment of prefabricated track slabs was achieved, solving the problems of excessive manual labor and low efficiency in existing technologies and reducing labor costs.
Patent Information
- Application Number
- CN202520298513.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-24
AI Technical Summary
The current fine-tuning process for precast track slabs requires a large amount of manual labor, resulting in low accuracy and efficiency, high labor costs, and difficulties in recruiting workers.
A fine-tuning device for prefabricated track slabs is designed. The device uses a first stroke adjustment device to drive the fine-tuning claw to move vertically, and a second stroke adjustment device to drive the mounting frame to move horizontally, thereby achieving high-precision adjustment of the prefabricated track slabs. The device includes a base, a mounting frame, a fine-tuning claw, a first stroke adjustment device, and a second stroke adjustment device.
It achieves high-precision adjustment of precast track slabs, is simple and convenient to operate, reduces labor costs, and improves construction efficiency.
Smart Images

Figure CN223921907U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to precast track slab formation adjustment fine adjustment device technical field, concretely relates to a kind of precast track slab fine adjustment device. BACKGROUND
[0002] The precast track slab is a kind of track structure assembly prefabricated in factory, mainly used for ballastless track laying of railway and urban rail transit. The advantage of precast track slab is that it can improve construction efficiency, ensure construction quality, and has significant effect in vibration reduction, noise reduction, and service life extension.
[0003] In track construction, the fine adjustment of precast track slab generally uses measurement robot for precise measurement. After obtaining the measurement data, workers use torque wrench to adjust the track slab fine adjustment jaw for fine adjustment operation. Multiple repetitions of "measurement + manual fine adjustment" are required to meet the accuracy requirements. The disadvantages of this operation mode are: low accuracy and low efficiency; workers need both fine adjustment experience and physical strength; it also causes high labor costs and difficulty in recruiting workers, which is not conducive to construction security. In order to improve the fine adjustment efficiency of precast track slab and reduce labor costs, a precast track slab fine adjustment device capable of automatic control construction is needed. SUMMARY
[0004] The precast track slab fine adjustment device designed by the utility model can overcome the lack of precast track slab fine adjustment device in the prior art, which leads to a large amount of manual work during fine adjustment of precast track slab, low fine adjustment accuracy and efficiency, and high labor cost.
[0005] The utility model provides a kind of precast track slab fine adjustment device, including device base, the top of the device base is slidably connected with mounting bracket, the mounting bracket is slidably connected with fine adjustment jaw, the mounting bracket is also connected with first stroke adjusting device, the first stroke adjusting device can drive the fine adjustment jaw to lift, it also includes second stroke adjusting device, the second stroke adjusting device can drive the mounting bracket to move linearly in first direction in horizontal plane.
[0006] In some embodiments, the mounting bracket includes a first support block for sliding connection with the top of the device base, and each of the opposite sides of the first support block is provided with an installation plate. The two installation plates are spaced apart in the vertical direction and form a lifting channel therebetween. The fine adjustment jaw is slidably connected between the two installation plates.
[0007] In some embodiments, each of the mounting plates is provided with a first vertical guide hole, the fine adjustment claw comprises a sliding block and a plug claw for plugging into the insertion hole on the prefabricated track plate, the plug claw is on the sliding block, and the sliding block is provided with a limiting column which is plugged into the first vertical guide hole.
[0008] In some embodiments, the sliding block is provided with a guide groove corresponding to each of the mounting plates, the limiting column is at the groove opening of the guide groove, and the side edge of the mounting plate is in the guide groove so that the first vertical guide hole and the limiting column are in sliding cooperation.
[0009] In some embodiments, the first stroke adjusting device comprises a first driving motor, the driving end of the first driving motor is connected with a first adjusting screw, the plug claw is fixedly connected with the sliding block through a lifting block, the first adjusting screw is threadedly connected with the lifting block, and the free end of the first adjusting screw is rotationally supported on the first supporting block.
[0010] In some embodiments, the fixed seat of the first driving motor is connected with a pair of vertical guide sliding rods, and the pair of vertical guide sliding rods are slidably connected with the sliding block to guide the lifting of the sliding block.
[0011] In some embodiments, the second stroke adjusting device comprises a second driving motor, a transmission assembly and a second adjusting screw, the device base comprises a base body for supporting on the working platform and a second supporting block on the base body, the first supporting block is slidably connected to the top surface of the second supporting block, the second adjusting screw is threadedly connected with the first supporting block, and the second driving motor drives the second adjusting screw to rotate through the transmission assembly.
[0012] In some embodiments, the second adjusting screw is rotationally supported on the second supporting block; and / or, the device base further comprises a third adjusting screw, the second supporting block is slidably connected to the top surface of the base body, the third adjusting screw is rotationally supported on the base body and threadedly connected with the second supporting block, so that the second supporting block can be linearly reciprocated in a second direction in a horizontal plane when the third adjusting screw is rotated, and the second direction is perpendicular to the first direction.
[0013] In some embodiments, a second strip-shaped guide hole extending in the vertical direction is further configured on each of the mounting plates, a connecting plate is arranged between the transmission assembly and the two mounting plates, one end of the connecting plate is hinged to the transmission assembly, and the other end of the connecting plate is correspondingly inserted into the two second strip-shaped guide holes through a protruding part; and / or, a partition plate is arranged between the two mounting plates, the partition plate is located at the lower part of the lifting channel, and a tension spring is arranged between the partition plate and the transmission assembly; and / or, a pair of transverse guide sliding rods is connected to the transmission assembly, and the pair of transverse guide sliding rods are slidingly connected to the first supporting block to guide the first supporting block to move in the first direction.
[0014] In some embodiments, the first stroke adjusting device further comprises a first battery assembly for providing working power for the first driving motor; and / or, the second stroke adjusting device further comprises a second battery assembly for providing working power for the second driving motor.
[0015] The prefabricated track plate fine adjustment device of the utility model, utilize first stroke adjusting device automatic drive fine adjustment claw in the vertical direction of mounting frame move, can realize to prefabricated track plate in the vertical direction highness fine adjustment, can also utilize second stroke adjusting device automatic drive whole mounting frame move on the horizontal plane, fine adjustment claw also will move on the horizontal plane at this moment, then can realize to prefabricated track plate on the horizontal plane displacement fine adjustment, this embodiment utilizes the cooperation of first stroke adjusting device and second stroke adjusting device, realizes the high-precision adjustment of prefabricated track plate, and the adjustment operation has simple and convenient, practicality is strong, manpower cost is low and the like advantages. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is the prefabricated track plate fine adjustment device in an embodiment of the utility model three-dimensional structure schematic diagram;
[0017] Figure 2 is Figure 1 three-dimensional structure schematic diagram after omitting part structure in;
[0018] Figure 3 is Figure 2 the partial close-up view of A in;
[0019] Figure 4 is Figure 1 three-dimensional structure schematic diagram of part components in.
[0020] In the figure: 1, the first support block; 2, the mounting plate; 3, the first strip-shaped guide hole; 4, the sliding block; 5, the insertion claw; 51, the lifting block; 6, the guide groove; 7, the base body; 8, the second support block; 9, the third adjusting screw; 10, the first drive motor; 11, the first adjusting screw; 12, the vertical guide sliding rod; 13, the first battery assembly; 14, the second drive motor; 15, the transmission assembly; 16, the second adjusting screw; 17, the connecting plate; 18, the second strip-shaped guide hole; 19, the partition plate; 20, the tension spring; 21, the second battery assembly; 22, the horizontal guide sliding rod. DETAILED DESCRIPTION
[0021] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations can be implemented in any
[0022] The described features, structures, or characteristics can be combined in any suitable manner in one or more implementations. In the following description, numerous specific details are provided to give a thorough understanding of implementations of the present application. One skilled in the relevant art will recognize, however, that the
[0023] The example described in the following example is a prefabricated track plate fine adjustment device of the present application, and the example is only a part of the embodiments of the present application, but the protection scope of the present application is not limited to this. All other embodiments obtained by the person skilled in the art without creative labor should be covered in the protection scope of the present application.
[0024] Please refer to Figures 1 to 4According to the embodiment of the utility model, provide a prefabricated track slab fine adjustment device, including device base (not marked in the drawing), the top of device base is connected with mounting bracket (not marked in the drawing) slidingly, the fine adjustment claw (not marked in the drawing) is connected with slidingly on mounting bracket, first stroke adjusting device (not marked in the drawing, also can be called first stroke wrench) is also connected on mounting bracket, first stroke adjusting device can drive fine adjustment claw elevating, still include second stroke adjusting device (not marked in the drawing, also can be called second stroke wrench), second stroke adjusting device can drive mounting bracket in horizontal plane along first direction linear reciprocating movement, with Figure 1 The first direction mentioned above is the horizontal left-right direction.
[0025] The fine adjustment device in the technical scheme can be installed on both sides of the prefabricated track slab. Two fine adjustment devices are arranged on one side of the prefabricated track slab. The fine adjustment claws of the fine adjustment devices are inserted into the insertion holes previously provided on the prefabricated track slab. Then, the device base is fixed on the ground beside the prefabricated track slab to avoid the sliding of the entire fine adjustment device and affect the fine adjustment of the prefabricated track slab.
[0026] After the arrangement and installation of the fine adjustment device are completed, the first stroke adjusting device automatically drives the fine adjustment claws to move in the vertical direction of the mounting bracket, which can realize the elevation fine adjustment of the prefabricated track slab in the vertical direction. Meanwhile, the second stroke adjusting device automatically drives the entire mounting bracket to move on the horizontal plane. At this time, the fine adjustment claws also move on the horizontal plane, which can realize the displacement fine adjustment of the prefabricated track slab on the horizontal plane. The first stroke adjusting device and the second stroke adjusting device are used in combination to realize the high-precision adjustment of the prefabricated track slab. The adjustment operation has the advantages of simplicity, convenience, strong practicability, low labor cost, etc.
[0027] In some embodiments, the mounting bracket comprises: a first support block 1, which is slidingly connected to the top of the device base. An installation plate 2 is arranged on each side of the first support block 1. A first vertical guide hole 3 is arranged on each of the two installation plates 2.
[0028] In this embodiment, the mounting bracket is composed of two installation plates 2 and a first support block 1. The mounting bracket has a simple structure and a small weight, which facilitates the carrying of the fine adjustment device and the replacement of the fine adjustment device to the next fine adjustment site.
[0029] In some embodiments, the fine adjustment claw comprises a sliding block 4, one side of the sliding block 4 is provided with an insertion claw 5, the other side of the sliding block 4 is provided with a pair of guide grooves 6, one side of each of the two mounting plates 2 is inserted into the guide groove 6, and a pair of limiting columns (not shown and not indicated in the figure) are arranged in each guide groove 6, and the pair of limiting columns in each guide groove 6 are inserted into the corresponding first bar-shaped guide hole 3.
[0030] In this embodiment, the insertion claw 5 is composed of two rods, the two rods are inserted into the hollows (i.e. the aforementioned insertion holes) reserved on both sides of the prefabricated track plate, and the fine adjustment claw can be quickly assembled to the prefabricated track plate.
[0031] In some embodiments, as shown in Figure 2 and Figure 3 , the device base comprises a base body 7, a second supporting block 8 is slidingly connected to the base body 7, a third adjusting screw 9 is inserted into the base body 7, the third adjusting screw 9 is screwed on the second supporting block 8, the mounting frame is slidingly connected to the second supporting block 8 of the device base, and the sliding direction (i.e. the second direction) of the second supporting block 8 on the base body 7 is perpendicular to the sliding direction (i.e. the aforementioned first direction) of the mounting frame on the second supporting block 8.
[0032] In this embodiment, one side of the base body 7 is provided with a first protruding structure (not indicated in the figure), the third adjusting screw 9 is directly inserted into the first protruding structure, and a first limiting ring (not indicated in the figure) is arranged on the third adjusting screw 9 inside the first protruding structure, which is used to prevent the movement of the third adjusting screw 9 itself; in this embodiment, the second supporting block 8 which can slide on the base body 7 can adjust the position of the entire mounting frame, which can adapt to different installation positions, and improve the assembly convenience between the fine adjustment device and the prefabricated track plate.
[0033] In some embodiments, as shown in Figure 1 and Figure 2 , Figure 4 , the first stroke adjusting device comprises a first driving motor 10, the driving end of the first driving motor 10 is connected with a first adjusting screw 11, the insertion claw 5 is fixedly connected with the sliding block 4 through a lifting block 51, the first adjusting screw 11 is screwed on the lifting block 51 of the fine adjustment claw, and the bottom of the first adjusting screw 11 is rotationally connected to the upper surface of the first supporting block 1 of the mounting frame.
[0034] A pair of vertical guide sliding rods 12 are arranged on both sides of the first driving motor 10, one end of each vertical guide sliding rod 12 is fixed to the outer wall of the first driving motor 10, and the two vertical guide sliding rods 12 are inserted into the sliding block 4 of the fine adjustment claw.
[0035] In the embodiment, the bottom of the first adjusting screw 11 is rotationally connected to the upper surface of the first supporting block 1. When the first driving motor 10 is started, the first adjusting screw 11 can be driven to rotate. Since the sliding block 4 is in threaded cooperation with the first adjusting screw 11, the sliding block 4 can be driven to ascend or descend on the mounting plate 2 of the mounting frame, so that the insertion claw 5 of the fine adjustment claw is moved up and down, and the elevation fine adjustment of the prefabricated track plate in the vertical direction is realized.
[0036] In some embodiments, the first driving motor 10 is connected with a first battery assembly 13, and the first battery assembly 13 is used to provide a working power supply for the first driving motor 10.
[0037] In the embodiment, the first battery assembly 13 includes a battery box and a lithium battery arranged in the battery box. The lithium battery of the first battery assembly 13 is electrically connected with the first driving motor 10, so that the first driving motor 10 can be independently provided with an independent power supply, and the stability of the working power supply of the first stroke adjustment device is ensured.
[0038] In some embodiments, the second stroke adjustment device includes a second driving motor 14, one side of the second driving motor 14 is provided with a transmission assembly 15, the output shaft of the second driving motor 14 is in transmission connection with the transmission assembly 15, the transmission output end of the transmission assembly 15 is connected with a second adjusting screw 16, the second adjusting screw 16 is rotationally connected to the second supporting block 8 of the device base, and the second adjusting screw 16 is screwed on the first supporting block 1 of the mounting frame.
[0039] In the embodiment, as shown in Figure 2 The transmission assembly 15 includes an L-shaped shell (not marked in the figure), and the shell is provided with a gear set (not marked in the figure). For example, two gears are arranged in the vertical segment of the transmission assembly 15, the gears are in meshing, the upper gear is mounted on the output shaft of the second driving motor 14, a transmission shaft is arranged in the horizontal segment of the transmission assembly 15, the lower gear is mounted on one end of the transmission shaft, and the other end of the transmission shaft is used to connect the end of the second adjusting screw 16. The transmission assembly 15 can meet the space limitation on the site.
[0040] In the embodiment, the second supporting block 8 is provided with a second protruding structure (not marked in the figure), the second adjusting screw 16 is arranged in the second protruding structure, and then a second limiting ring (not marked in the figure) is arranged on the second adjusting screw 16 inside the second protruding structure, so as to prevent the self movement (axial movement) of the second adjusting screw 16.
[0041] In some embodiments, in order to prevent the transmission assembly 15 from being subjected to shearing force due to the weight of the entire second stroke adjusting device, causing the transmission assembly 15 to be damaged due to deformation, which reduces the fine adjustment accuracy of the second stroke adjusting device, a connecting plate 17 is arranged between the transmission assembly 15 and the mounting plate 2 of the mounting frame, one end of the connecting plate 17 is hinged to the transmission assembly 15, a pair of second strip-shaped guide holes 18 are arranged in the vertical direction of the mounting plate 2 of the mounting frame, and protruding portions (not shown in the figure, not referenced) are arranged on both sides of the other end of the connecting plate 17, and the two protruding portions are respectively inserted into the corresponding second strip-shaped guide holes 18, a partition plate 19 is arranged at the bottom between the two mounting plates 2 of the mounting frame, and a tension spring 20 is arranged between the transmission assembly 15 and the partition plate 19, and both ends of the tension spring 20 are respectively fixedly connected to the transmission assembly 15 and the partition plate 19.
[0042] In this embodiment, since the connecting plate 17 and the tension spring 20 are arranged between the mounting plate 2 and the transmission assembly 15, at this time, the weight of the entire second stroke adjusting device is borne by the mounting plate 2, the transmission assembly 15 can be prevented from being subjected to force, and the transmission assembly 15 can be effectively prevented from being damaged.
[0043] In some embodiments, the second driving motor 14 is connected with a second battery assembly 21, and the second battery assembly 21 is used for providing working power supply for the second driving motor 14.
[0044] In this embodiment, the second battery assembly 21 comprises a battery box and a lithium battery arranged in the battery box, the lithium battery of the second battery assembly 21 is electrically connected with the second driving motor 14, can independently provide independent power supply for the second driving motor 14, and ensures the stability of the working power supply of the second stroke adjusting device.
[0045] In some embodiments, in order to improve the mounting strength and stability of the transmission assembly 15, a pair of transverse guide sliding rods 22 are connected to the outer side of one end of the transmission assembly 15, and the other ends of the pair of transverse guide sliding rods 22 are respectively slidably connected to the bottoms of the two mounting plates 2 of the mounting frame.
[0046] It is easy for those skilled in the art to understand that the advantageous technical features of the above-mentioned various modes can be freely combined and superimposed without conflict.
[0047] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A precast track slab fine-tuning device, characterized in that, The device includes a base, a mounting bracket slidably connected to the top of the base, a fine-tuning claw slidably connected to the mounting bracket, and a first stroke adjustment device connected to the mounting bracket, which can drive the fine-tuning claw to rise and fall. The device also includes a second stroke adjustment device, which can drive the mounting bracket to move linearly back and forth in a first direction in a horizontal plane.
2. The precast track slab fine-tuning device according to claim 1, characterized in that, The mounting bracket includes a first support block (1) for sliding connection with the top of the device base. A mounting plate (2) is provided on each of the opposite sides of the first support block (1). The two mounting plates (2) are spaced apart in the vertical direction and form a lifting channel between them. The fine adjustment claw is slidably connected to the two mounting plates (2).
3. The precast track slab fine-tuning device according to claim 2, characterized in that, Each of the mounting plates (2) is provided with a first strip-shaped guide hole (3) extending in the vertical direction. The fine adjustment claw includes a slider (4) and a claw (5) for insertion into the insertion hole on the prefabricated track plate. The claw (5) is located on the slider (4). The slider (4) has a limiting post that is slidably inserted into the first strip-shaped guide hole (3).
4. The precast track slab fine-tuning device according to claim 3, characterized in that, The slider (4) has a guide groove (6) on the side away from the claw (5) that corresponds to the two mounting plates (2). The limiting post is located at the opening of the guide groove (6), and the side of the mounting plate (2) is located in the guide groove (6) so that each of the first strip guide holes (3) slides with the limiting post.
5. The precast track slab fine-tuning device according to claim 3, characterized in that, The first stroke adjustment device includes a first drive motor (10), the drive end of the first drive motor (10) is connected to a first adjusting screw (11), the claw (5) is fixedly connected to the slider (4) through a lifting block (51), the first adjusting screw (11) is threadedly connected to the lifting block (51), and the free end of the first adjusting screw (11) is rotatably supported on the first support block (1).
6. The precast track slab fine-tuning device according to claim 5, characterized in that, A pair of vertical guide slide rods (12) are connected to the fixed base of the first drive motor (10). The pair of vertical guide slide rods (12) are slidably connected to the slider (4) to guide the slider (4) to rise and fall.
7. The precast track slab fine-tuning device according to claim 5, characterized in that, The second stroke adjustment device includes a second drive motor (14), a transmission assembly (15), and a second adjusting screw (16). The device base includes a base body (7) for supporting the work platform and a second support block (8) on the base body (7). The first support block (1) is slidably connected to the top surface of the second support block (8). The second adjusting screw (16) is threadedly connected to the first support block (1). The second drive motor (14) drives the second adjusting screw (16) to rotate through the transmission assembly (15).
8. The precast track slab fine-tuning device according to claim 7, characterized in that, The second adjusting screw (16) is rotatably supported on the second support block (8); and / or, the device base further includes a third adjusting screw (9), the second support block (8) is slidably connected to the top surface of the base body (7), the third adjusting screw (9) is rotatably supported on the base body (7) and the third adjusting screw (9) is threadedly connected to the second support block (8), so that when the third adjusting screw (9) is rotated, it can drive the second support block (8) to reciprocate linearly in a second direction in the horizontal plane, the second direction being perpendicular to the first direction.
9. The precast track slab fine-tuning device according to claim 7, characterized in that, Each of the mounting plates (2) is also provided with a second strip-shaped guide hole (18) extending in the vertical direction. A connecting plate (17) is provided between the transmission assembly (15) and the two mounting plates (2). One end of the connecting plate (17) is hinged to the transmission assembly (15), and the other end of the connecting plate (17) is inserted into the two second strip-shaped guide holes (18) via a protrusion. And / or, a partition (19) is provided between the two mounting plates (2). The partition (19) is located at the lower part of the lifting channel. A tension spring (20) is provided between the partition (19) and the transmission assembly (15). And / or, a pair of transverse guide slide rods (22) are connected to the transmission assembly (15). The pair of transverse guide slide rods (22) are slidably connected to the first support block (1) to guide the first support block (1) to move in the first direction.
10. The precast track slab fine-tuning device according to claim 7, characterized in that, The first stroke adjustment device further includes a first battery assembly (13) for providing power to the first drive motor (10); and / or, the second stroke adjustment device further includes a second battery assembly (21) for providing power to the second drive motor (14).