Precast track slab fine adjustment system

Abstract

The utility model provides a prefabricated track plate fine adjustment system which comprises four sets of prefabricated track plate fine adjustment devices, the prefabricated track plate fine adjustment devices are arranged corresponding to the four corners of a prefabricated track plate respectively, two sets of the prefabricated track plate fine adjustment devices are located on the first side of the width of the prefabricated track plate, and the other two sets of the prefabricated track plate fine adjustment devices are located on the second side of the width of the prefabricated track plate. The measuring part comprises a measuring instrument and a prism, the prism is arranged on the top surface of the prefabricated track plate, and the measuring instrument is arranged on the mounting carrier and used for detecting mounting position parameters of the prefabricated track plate in real time; the upper computer is in communication connection with the measuring instrument and the prefabricated track plate fine adjustment devices so as to obtain the installation position information and can control the prefabricated track plate fine adjustment devices to operate so as to adjust the installation positions of the prefabricated track plates. The device has the advantages of high adjusting efficiency, high precision, labor cost saving and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of prefabricated track slab formation adjustment and fine adjustment technology, and particularly relates to a prefabricated track slab fine adjustment system. BACKGROUND

[0002] The prefabricated track slab is a track structure assembly prefabricated in a factory and mainly used for ballastless track laying of railways and urban rail transit.

[0003] In track construction, the fine adjustment of the prefabricated track slab is generally performed by using a measuring robot for precise measurement. After obtaining the measurement data, workers use a torque wrench to adjust the fine adjustment claw of the track slab for fine adjustment. The accuracy requirement can be met only through multiple repetitions of "measurement + manual fine adjustment". The operation mode has the following disadvantages: low accuracy and low efficiency; the workers need to have both fine adjustment experience and great strength; and the high labor cost and difficulty in recruiting workers also cause unfavorable conditions for construction guarantee. In order to improve the fine adjustment efficiency of the prefabricated track slab and reduce the labor cost, a prefabricated track slab fine adjustment system capable of automatically controlling construction is needed. SUMMARY

[0004] The prefabricated track slab fine adjustment system designed by the utility model can overcome the lack of a prefabricated track slab fine adjustment system in the prior art, which leads to a large amount of manual work during the fine adjustment of the prefabricated track slab, low fine adjustment accuracy and efficiency, and high labor cost.

[0005] The utility model discloses a prefabricated track slab fine adjustment system, which comprises four groups of prefabricated track slab fine adjustment devices, each of which is arranged at a corner position of a prefabricated track slab, two groups of which are arranged at a first side of the width of the prefabricated track slab, and the other two groups are arranged at a second side of the width of the prefabricated track slab; a measuring component comprising a measuring instrument and a prism, wherein the prism is arranged on the top surface of the prefabricated track slab, and the measuring instrument is arranged on a mounting carrier to detect the installation position parameters of the prefabricated track slab in real time; an upper computer, which is communicatively connected with the measuring instrument and each group of prefabricated track slab fine adjustment devices, so as to obtain the installation position information and control the operation of each group of prefabricated track slab fine adjustment devices to adjust the installation position of the prefabricated track slab.

[0006] In some embodiments, the prefabricated track plate fine adjustment device comprises a device base, a mounting frame is slidably connected to the top of the device base, a fine adjustment claw is slidably connected to the mounting frame, a first stroke adjustment device is connected to the mounting frame, the first stroke adjustment device can drive the fine adjustment claw to ascend and descend, and a second stroke adjustment device can drive the mounting frame to move linearly in a first direction in a horizontal plane.

[0007] In some embodiments, the mounting frame comprises a first support block for slidably connecting with the top of the device base, each of the opposite sides of the first support block is provided with an installation plate, the two installation plates are spaced apart in a vertical direction and form an ascending and descending channel therebetween, and the fine adjustment claw is slidably connected between the two installation plates.

[0008] In some embodiments, a first strip-shaped guide hole extending in a vertical direction is formed on each of the installation plates, the fine adjustment claw comprises a sliding block and a plug claw for plugging with a plug hole on a prefabricated track plate, the plug claw is on the sliding block, and the sliding block has a limiting column slidably plugged into the first strip-shaped guide hole.

[0009] In some embodiments, a guide groove corresponding to each of the installation plates is formed on the side of the sliding block away from the plug claw, the limiting column is at the slot opening of the guide groove, and the side edge of the installation plate is in the guide groove so that each of the first strip-shaped guide holes is slidably matched with the limiting column; and / or, the first stroke adjustment device comprises a first driving motor, a first adjusting screw is connected to the driving end of the first driving motor, 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 rotatably supported on the first support block.

[0010] In some embodiments, a pair of vertical guide sliding rods are connected to the fixing seat of the first driving motor, and the pair of vertical guide sliding rods are slidably connected with the sliding block to guide the ascending and descending of the sliding block.

[0011] In some embodiments, the second stroke adjustment device comprises a second driving motor, a transmission assembly, and a second adjusting screw, the device base comprises a base body for supporting on a work platform and a second support block on the base body, the first support block is slidably connected to the top surface of the second support block, the second adjusting screw is threadedly connected with the first support 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 rotatably supported on the second supporting block; and / or the device base further comprises a third adjusting screw, the second supporting block is slidingly connected to the top surface of the base body, the third adjusting screw is rotatably supported on the base body and is threadedly connected with the second supporting block, so that the second supporting block can be linearly reciprocated in a horizontal plane in a second direction perpendicular to the first direction when the third adjusting screw is rotated.

[0013] In some embodiments, a second vertical guiding hole is further formed on each mounting plate, a connecting plate is arranged between the transmission assembly and the two mounting plates, one end of the connecting plate is hingedly connected with the transmission assembly, and the other end of the connecting plate is correspondingly inserted into the two second vertical guiding holes through a protruding portion; 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 guiding slide rods are connected to the transmission assembly, and the pair of transverse guiding slide rods are slidingly connected with the first supporting block to guide the first supporting block to move in the first direction; and / or the first stroke adjusting device further comprises a first battery assembly, and the first battery assembly is used for providing working power for the first driving motor; and / or the second stroke adjusting device further comprises a second battery assembly, and the second battery assembly is used for providing working power for the second driving motor.

[0014] The prefabricated track plate fine adjustment system of the utility model, through the real-time detection of the installation position of the prefabricated track plate by the measuring instrument, the host computer can judge whether the installation position reaches the qualified position of the prefabricated track plate, if not, calculate the position deviation, and according to the position deviation, calculate the position adjustment amount of each group of fine adjustment jaw fine adjustment units, each group of fine adjustment jaw fine adjustment units are used for adjusting the installation position of the prefabricated track plate according to the received position adjustment amount, until the adjusted installation position reaches the qualified position of the prefabricated track plate, realize the fine adjustment of the prefabricated track plate automatically, have the advantages such as high adjustment efficiency, high precision, save manpower cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the system schematic diagram of the prefabricated track plate fine adjustment system in the utility model embodiment;

[0016] Figure 2 It is Figure 1 It is the three-dimensional structure schematic diagram of the prefabricated track plate fine adjustment device in

[0017] Figure 3 It is Figure 2 The three-dimensional structure schematic diagram after omitting part structure;

[0018] Figure 4 is Figure 3 is a close-up view of a portion of A in

[0019] Figure 5 is Figure 2 is a perspective structural schematic view of partial components in

[0020] In the figure: 1, first support block; 2, mounting plate; 3, first strip-shaped guide hole; 4, sliding block; 5, insertion claw; 51, lifting block; 6, guide groove; 7, base body; 8, second support block; 9, third adjusting screw; 10, first drive motor; 11, first adjusting screw; 12, vertical guide sliding rod; 13, first battery assembly; 14, second drive motor; 15, transmission assembly; 16, second adjusting screw; 17, connecting plate; 18, second strip-shaped guide hole; 19, partition plate; 20, tension spring; 21, second battery assembly; 22, transverse guide sliding rod; 100, prefabricated track plate fine adjustment device; 200, prefabricated track plate; 301, measuring instrument; 302, prism; 400, upper computer. DETAILED DESCRIPTION

[0021] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations may, however, be implemented in many different forms and should not be construed as limited to the implementations set forth herein; rather, these implementations are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example implementations to those skilled in the art. In the drawings, the thickness of regions and layers can be exaggerated for clarity. Like reference numerals may designate like elements, and "details thereof" can be omitted in the drawings.

[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. However, one skilled in the relevant art will recognize that the

[0023] The example described below is a prefabricated track plate fine adjustment system 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 thereto. All other embodiments obtained by those of ordinary skill in the art without creative labor should be covered within the protection scope of the present application.

[0024] Please refer to Figures 1 to 5According to an embodiment of this utility model, a precast track slab fine-tuning system is provided, comprising: four sets of precast track slab fine-tuning devices 100, each set of which is respectively arranged at the four corners of a precast track slab 200, wherein two sets are located on the first side of the width of the precast track slab 200, and the other two sets are located on the second side of the width of the precast track slab 200. The aforementioned first and second sides of the width specifically refer to the two sides of the width of the precast track slab. Figure 1 The upper and lower sides are shown; the measuring components include a measuring instrument 301 (specifically, a laser total station) and a prism 302, wherein the prism 302 is disposed on the top surface of the precast track slab 200, and the measuring instrument 301 is disposed on the mounting carrier for real-time detection of the installation position parameters of the precast track slab 200; the host computer 400 is communicatively connected to the measuring instrument 301 and each group of precast track slab fine-tuning devices 100 to obtain the installation position information and to control the operation of each group of precast track slab fine-tuning devices 100 to adjust the installation position of the precast track slab 200.

[0025] In this technical solution, the installation position of the precast track slab is detected in real time by a measuring instrument. The host computer can determine whether the installation position has reached the qualified position of the precast track slab. If it has not reached the qualified position, the position deviation is calculated, and the position adjustment amount of each set of fine adjustment claws is calculated based on the position deviation. Each set of fine adjustment claws is used to adjust the installation position of the precast track slab according to the received position adjustment amount until the adjusted installation position reaches the qualified position of the precast track slab. This realizes automatic fine adjustment of the precast track slab, which has the advantages of high adjustment efficiency, high precision, and saving labor costs.

[0026] In some embodiments, the precast track slab fine-tuning device 100 includes a device base (not labeled in the figure), a mounting bracket (not labeled in the figure) slidably connected to the top of the device base, a fine-tuning claw (not labeled in the figure) slidably connected to the mounting bracket, and a first stroke adjustment device (not labeled in the figure, also referred to as a first stroke wrench) connected to the mounting bracket. The first stroke adjustment device can drive the fine-tuning claw to rise and fall. It also includes a second stroke adjustment device (not labeled in the figure, also referred to as a second stroke wrench), which can drive the mounting bracket to reciprocate linearly in a first direction within a horizontal plane. Figure 1 The directions shown are for reference only; the first direction mentioned above is also the horizontal left-right direction.

[0027] The fine adjustment device in the technical scheme can be installed on both sides of the prefabricated track slab in specific application, two of the fine adjustment devices are arranged on one side of the prefabricated track slab, the fine adjustment claw of the fine adjustment device is inserted into the insertion hole previously arranged on the prefabricated track slab, and then the device base is fixed on the ground beside the prefabricated track slab, so that the fine adjustment device is prevented from sliding and affecting the fine adjustment operation on the prefabricated track slab.

[0028] After the fine adjustment device is arranged and installed, the first stroke adjusting device is used to automatically drive the fine adjustment claw to move in the vertical direction of the mounting frame, so that the elevation fine adjustment of the prefabricated track slab in the vertical direction can be realized; meanwhile, the second stroke adjusting device is used to automatically drive the mounting frame to move on the horizontal plane, so that the fine adjustment claw also moves on the horizontal plane, and then the displacement fine adjustment of the prefabricated track slab on the horizontal plane can be realized; the first stroke adjusting device and the second stroke adjusting device are used to realize the high-precision adjustment of the prefabricated track slab, and the adjustment operation has the advantages of simplicity, convenience, strong practicability, low labor cost and the like.

[0029] In some embodiments, the mounting frame comprises a first supporting block 1 which is slidingly connected to the top of the device base, and an installation plate 2 is arranged on each side of the first supporting block 1, and a first strip-shaped guide hole 3 is arranged in the vertical direction of each of the two installation plates 2.

[0030] In the embodiment, the mounting frame is composed of two installation plates 2 and a first supporting block 1, the mounting frame has a simple structure and a small weight, and is convenient for carrying the fine adjustment device; meanwhile, the fine adjustment device can be replaced to the next fine adjustment operation site.

[0031] In some embodiments, the fine adjustment claw comprises a sliding block 4, an insertion claw 5 is arranged on one side of the sliding block 4, and a pair of guide grooves 6 is arranged on the other side of the sliding block 4, one side of each of the two installation plates 2 is inserted into the guide groove 6, a pair of limiting columns (not shown and not referred to in the figure) is arranged in each of the guide grooves 6, and the pair of limiting columns in each of the guide grooves 6 is inserted into the corresponding first strip-shaped guide hole 3.

[0032] In the embodiment, the insertion claw 5 is composed of two rod bodies which are inserted into the hollows (i.e., the insertion holes) reserved on both sides of the prefabricated track slab, and the fine adjustment claw can be quickly assembled on the prefabricated track slab.

[0033] In some embodiments, as shown in Figure 2 and Figure 3As shown, the device base comprises: a base body 7, a second support block 8 is slidably connected on the base body 7, a third adjusting screw 9 is inserted on the base body 7, the third adjusting screw 9 is screwed on the second support block 8, the mounting frame is slidably connected on the second support block 8 of the device base, and the sliding direction (i.e. the second direction) of the second support 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 support block 8.

[0034] In this embodiment, one side of the base body 7 is provided with a first protruding structure (not labeled in the figure), the third adjusting screw 9 is directly inserted on the first protruding structure, and a first limiting ring (not labeled in the figure) is arranged on the third adjusting screw 9 inside the first protruding structure, which is used to prevent the third adjusting screw 9 from moving by itself; in this embodiment, the second support 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 slab.

[0035] In some embodiments, as shown in Figure 1 and Figure 2 As shown, the first stroke adjusting device comprises: a first driving motor 10, a first adjusting screw 11 is connected to the driving end of the first driving motor 10, the insertion claw 5 is fixedly connected to the sliding block 4 through the lifting block 51 of the fine adjustment claw, 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 rotatably connected to the upper surface of the first support block 1 of the mounting frame.

[0036] 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 on the sliding block 4 of the fine adjustment claw.

[0037] In this embodiment, since the bottom of the first adjusting screw 11 is rotatably connected to the upper surface of the first support block 1, the first driving motor 10 can drive the first adjusting screw 11 to rotate at this time, and since the sliding block 4 and the first adjusting screw 11 are in threaded cooperation, the sliding block 4 can be lifted on the mounting plate 2 of the mounting frame, which realizes the up-down movement of the insertion claw 5 of the fine adjustment claw, and further realizes the elevation fine adjustment of the prefabricated track slab in the vertical direction.

[0038] In some embodiments, a first battery assembly 13 is connected to the first driving motor 10, and the first battery assembly 13 is used to provide working power for the first driving motor 10.

[0039] In the embodiment, the first battery assembly 13 comprises 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, and the first driving motor 10 can be independently provided with an independent power supply, so as to ensure the stability of the working power supply of the first stroke adjusting device.

[0040] In some embodiments, the second stroke adjusting device comprises a second driving motor 14, one side of the second driving motor 14 is provided with a transmission assembly 15, an output shaft of the second driving motor 14 is in transmission connection with the transmission assembly 15, a 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.

[0041] In the embodiment, as shown in Figure 2 The transmission assembly 15 comprises an L-shaped shell (not marked in the figure), 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 two 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 for connecting the end of the second adjusting screw 16, and the transmission assembly 15 can meet the space limitation on site.

[0042] 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 on 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.

[0043] In some embodiments, since the second stroke adjusting device is suspended on one side of the device base, 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 (when the transmission assembly 15 is deformed, the fine adjustment accuracy of the second stroke adjusting device is reduced), a connecting plate 17 is provided between the transmission assembly 15 and the mounting plate 2 of the mounting frame, one end of the connecting plate 17 is hinged on the transmission assembly 15; a pair of second strip-shaped guide holes 18 are provided in the vertical direction of the mounting plate 2 of the mounting frame, the other end of the connecting plate 17 is provided with a pair of protrusions (not shown in the figure, not referenced), and the two protrusions are respectively inserted into the corresponding second strip-shaped guide holes 18, so that when the transmission assembly 15 moves horizontally with the second drive motor 14, the other end of the connecting plate 17 can slide up and down in the second strip-shaped guide hole 18, realizing the dynamic support (tension bearing force) of the connecting plate 17 to the weight of the transmission assembly 15, and ensuring the reliable stability of the position of the transmission assembly 15 and the second drive motor 14; a partition plate 19 is provided at the bottom between the two mounting plates 2 of the mounting frame, a tension spring 20 is provided between the partition plate 19 and the transmission assembly 15, and the two ends of the tension spring 20 are respectively fixedly connected to the transmission assembly 15 and the partition plate 19. The tension spring 20 exerts an elastic buffer force between the partition plate 19 and the transmission assembly 15, which can ensure the stability of the transmission assembly 15 during horizontal movement with the second drive motor 14.

[0044] In this embodiment, since the connecting plate 17 and the tension spring 20 are provided between the mounting plate 2 and the transmission assembly 15, the weight of the entire second stroke adjusting device is borne by the mounting plate 2 at this time, which can avoid the stress on the transmission assembly 15 and effectively avoid the damage to the transmission assembly 15.

[0045] In some embodiments, the second drive motor 14 is connected with a second battery assembly 21, and the second battery assembly 21 is used to provide working power supply for the second drive motor 14.

[0046] In this embodiment, the second battery assembly 21 includes a battery box and a lithium battery provided in the battery box, and the lithium battery of the second battery assembly 21 is electrically connected with the second drive motor 14, which can independently provide independent power supply for the second drive motor 14, and ensure the stability of the working power supply of the second stroke adjusting device.

[0047] In some embodiments, in order to improve the installation 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.

[0048] According to the embodiments of the utility model, the control method of the prefabricated track plate fine adjustment system is also provided, which comprises the following steps:

[0049] The installation position information of the prefabricated track plate 200 is acquired, and the installation position information at least comprises a horizontal position, a height and an inclination angle;

[0050] It is judged whether the prefabricated track plate 200 is in a qualified position based on the installation position information, if the prefabricated track plate 200 is not in the qualified position, the position deviation is calculated according to the installation position information and target position information, and each group of the prefabricated track plate fine adjustment device 100 is controlled to operate according to the position deviation, so that the position deviation difference is zero.

[0051] Specifically, the foregoing control method is executed in the foregoing host computer 400, and the specific steps are as follows:

[0052] Step S10: the installation position of the prefabricated track plate is acquired, wherein the installation position at least comprises a horizontal position, a height and an inclination angle;

[0053] Step S20: it is judged whether the installation position reaches the qualified position of the prefabricated track plate;

[0054] Step S30: if not, the position deviation is calculated according to the installation position and the qualified position;

[0055] Step S40: the position adjustment amount of each group of the fine adjustment claw fine adjustment unit is calculated according to the position deviation;

[0056] Step S50: the position adjustment amount of each group of the fine adjustment claw fine adjustment unit is sent to the corresponding fine adjustment claw fine adjustment unit, each group of the fine adjustment claw fine adjustment unit is used to adjust the installation position of the prefabricated track plate 200 according to the received position adjustment amount, until the adjusted installation position reaches the qualified position of the prefabricated track plate 200, at this time, the position deviation value is 0; that is, the horizontal position, the height and the inclination angle are all adjusted to the corresponding qualified position.

[0057] The utility model discloses a measuring instrument real time detection prefabricated track plate's installation position, and the host computer can judge whether the installation position reaches the qualified position of the prefabricated track plate, if not, the position deviation is calculated, and the position adjustment amount of each group of the fine adjustment claw fine adjustment unit is calculated according to the position deviation, and each group of the fine adjustment claw fine adjustment unit is used to adjust the installation position of the prefabricated track plate according to the received position adjustment amount, until the adjusted installation position reaches the qualified position of the prefabricated track plate, realizes the fine adjustment of prefabricated track plate automatically, has the advantages such as high adjustment efficiency, high precision.

[0058] Those skilled in the art can understand that the advantageous technical features of the above-mentioned modes can be freely combined and superimposed without conflict.

[0059] The preferred embodiments of the present application have been described above with the preferred embodiments, but are not intended to limit the present application. For those skilled in the art, the present application can have various changes and variations. 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 panel fine adjustment system, characterized by, The application relates to a prefabricated track plate fine adjustment device. The prefabricated track plate fine adjustment device (100) comprises a device base, the top of the device base is slidably connected with a mounting frame, the mounting frame is slidably connected with a fine adjustment claw, the mounting frame is further connected with a first stroke adjusting device, the first stroke adjusting device can drive the fine adjustment claw to ascend and descend, and the device further comprises a second stroke adjusting device, the second stroke adjusting device can drive the mounting frame to linearly reciprocate in a first direction in a horizontal plane. The mounting frame comprises a first supporting block (1) for slidably connecting with the top of the device base, opposite sides of the first supporting block (1) are respectively provided with a mounting plate (2), the two mounting plates (2) are vertically spaced apart and form an ascending and descending channel therebetween, and the fine adjustment claw is slidably connected between the two mounting plates (2). Each mounting plate (2) is respectively provided with a first strip-shaped guide hole (3) extending in the vertical direction, the fine adjustment claw comprises a sliding block (4) and an insertion claw (5) for being inserted and mounted on a hole in the prefabricated track plate, the insertion claw (5) is on the sliding block (4), and the sliding block (4) is provided with a limiting column slidably inserted into the first strip-shaped guide hole (3).

2. The precast track panel fine adjustment system of claim 1, wherein, The side, away from the insertion claw (5), of the sliding block (4) is provided with a guide groove (6) corresponding to the two mounting plates (2) one by one, the limiting column is at the slot opening of the guide groove (6), the side edge of the mounting plate (2) is in the guide groove (6) so that the first strip-shaped guide hole (3) and the limiting column are slidably matched; and / or 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 threadedly connected with the lifting block (51), and the free end of the first adjusting screw (11) is rotatably supported on the first supporting block (1).

3. The precast track panel fine adjustment system of claim 2, wherein, ​ 4. The precast track panel fine adjustment system of claim 3, wherein, ​ 5. The precast track panel fine adjustment system of claim 4, wherein, ​ 6. The precast track panel fine adjustment system of claim 5, wherein, The fixed seat of the first driving motor (10) is connected with a pair of vertical guide sliding rods (12), and the pair of vertical guide sliding rods (12) are in sliding connection with the sliding block (4) to guide the lifting of the sliding block (4).

7. The precast track panel fine adjustment system of claim 5, wherein, The second stroke adjusting device comprises a second driving motor (14), a transmission assembly (15) and a second adjusting screw (16), the device base comprises a base body (7) for supporting on the working platform and a second supporting block (8) above the base body (7), the first supporting block (1) is in sliding connection with the top surface of the second supporting block (8), the second adjusting screw (16) is in threaded connection with the first supporting block (1), and the second driving motor (14) drives the second adjusting screw (16) to rotate through the transmission assembly (15).

8. The precast track panel fine adjustment system of claim 7, wherein, The second adjusting screw (16) is rotatably supported on the second supporting block (8); and / or the device base further comprises a third adjusting screw (9), the second supporting block (8) is in sliding connection with the top surface of the base body (7), the third adjusting screw (9) is rotatably supported on the base body (7) and in threaded connection with the second supporting block (8), so that the second supporting block (8) can be driven to move linearly and reciprocatingly in a horizontal plane in a second direction when the third adjusting screw (9) is rotated, and the second direction is perpendicular to the first direction.

9. The precast track panel fine adjustment system of claim 7, wherein, A second vertical guide hole (18) is further arranged on each mounting plate (2), a connecting plate (17) is arranged between the transmission assembly (15) and the two mounting plates (2), one end of the connecting plate (17) is hingedly connected with the transmission assembly (15), and the other end of the connecting plate (17) is correspondingly inserted into the two second vertical guide holes (18) through a protruding portion; and / or a partition plate (19) is arranged between the two mounting plates (2), the partition plate (19) is arranged at the lower part of the lifting channel, and a tension spring (20) is arranged between the partition plate (19) and the transmission assembly (15).

10. The precast track panel fine adjustment system of claim 7, wherein, A pair of transverse guide sliding rods (22) are connected to the transmission assembly (15), and the pair of transverse guide sliding rods (22) are in sliding connection with the first supporting block (1) to guide the movement of the first supporting block (1) in the first direction; And / or the first stroke adjusting device further comprises a first battery assembly (13) for providing working power for the first driving motor (10); and / or the second stroke adjusting device further comprises a second battery assembly (21) for providing working power for the second driving motor (14). And / or the first stroke adjusting device further comprises a first battery assembly (13) for providing working power for the first driving motor (10); and / or the second stroke adjusting device further comprises a second battery assembly (21) for providing working power for the second driving motor (14).

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