Prefabricated track slab fine adjustment system and control method thereof

Abstract

The invention provides a prefabricated track slab fine adjustment system and a control method thereof, and the system comprises four groups of prefabricated track slab fine adjustment devices which are respectively arranged corresponding to four corners of a prefabricated track slab, wherein two groups are located on the first side of the width of the prefabricated track plate, and the other two groups 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 invention relates to the technical field of forming, adjusting and fine-tuning a prefabricated track slab, and in particular to a prefabricated track slab fine-tuning system and a control method thereof. Background Art

[0002] Prefabricated track slabs are a type of track structure component prefabricated in a factory, mainly used for ballastless track laying in railways and urban rail transit. The advantages of prefabricated track slabs are that they can improve construction efficiency, ensure construction quality, and have significant effects in reducing vibration and noise, and extending service life.

[0003] During track construction, the fine-tuning of prefabricated track plates generally uses measuring robots for precise measurement. After obtaining the measurement data, workers use torque wrenches to turn the track plate fine-tuning claws for fine-tuning operations. It takes multiple repetitions of "measurement + manual fine-tuning" to achieve the accuracy requirements. The disadvantages of this operation mode are: low accuracy and low efficiency; workers need to have both fine-tuning experience and great strength; at the same time, it also creates unfavorable conditions for construction guarantees such as high labor costs and difficulty in recruiting workers. In order to improve the fine-tuning efficiency of prefabricated track plates and reduce labor costs, a prefabricated track plate fine-tuning system and a control method that can automatically control construction are needed. Summary of the invention

[0004] The prefabricated track plate fine-tuning system and control method designed in the present invention can overcome the shortcomings of the prior art that the prefabricated track plate fine-tuning system and control method are lacking, resulting in a large amount of manual work required for fine-tuning the prefabricated track plate, low fine-tuning accuracy and efficiency, and high labor costs.

[0005] The object of the present invention is to provide a prefabricated track plate fine-tuning system, comprising: four groups of prefabricated track plate fine-tuning devices, each of the prefabricated track plate fine-tuning devices is arranged corresponding to the four corners of the prefabricated track plate, two of which are located on the first side of the width of the prefabricated track plate, and the other two are located on the second side of the width of the prefabricated track plate; a measuring component, comprising a measuring instrument and a prism, wherein the prism is arranged on the top surface of the prefabricated track plate, and the measuring instrument is arranged on a mounting carrier to detect the installation position parameters of the prefabricated track plate in real time; a host computer, which is communicatively connected with the measuring instrument and each group of the prefabricated track plate fine-tuning devices to obtain the installation position information and can control the operation of each group of the prefabricated track plate fine-tuning devices to adjust the installation position of the prefabricated track plate.

[0006] In some embodiments, the prefabricated track plate fine-tuning device includes a device base, the top of the device base is slidably connected to a mounting frame, the mounting frame is slidably connected to a fine-tuning claw, the mounting frame is also connected to a first stroke adjustment device, the first stroke adjustment device can drive the fine-tuning claw to rise and fall, and also includes a second stroke adjustment device, the second stroke adjustment device can drive the mounting frame to move back and forth in a straight line along a first direction in a horizontal plane.

[0007] In some embodiments, the mounting frame includes a first support block for slidingly connecting to the top of the device base, and a mounting plate is respectively arranged on two opposite sides of the first support block. The two mounting plates are spaced apart in the vertical direction and form a lifting channel therebetween, and the fine-tuning claw is slidingly connected to the two mounting plates.

[0008] In some embodiments, each of the mounting plates is respectively constructed with a first strip guide hole extending in the vertical direction, and the fine-adjustment claw includes a slider and a claw for being inserted into the socket on the prefabricated track plate, the claw is located on the slider, and the slider has a limiting column that is respectively slidably inserted into the first strip guide hole.

[0009] In some embodiments, a side of the sliding block facing away from the claw is constructed with a guide groove which is arranged in one-to-one correspondence with the two mounting plates, the limit column is located at the notch of the guide groove, and the side edge of the mounting plate is located in the guide groove so that each of the first strip guide holes can slide with the limit column; and / or, the first stroke adjustment device includes a first drive motor, a drive end of the first drive motor is connected to a first adjusting screw, the claw is fixedly connected to the sliding block through a lifting block, the first adjusting screw is threadedly connected to the lifting block, and the free end of the first adjusting screw is rotatably supported on the first supporting block.

[0010] In some embodiments, a pair of vertical guide slide bars are connected to the fixing seat of the first driving motor, and the pair of vertical guide slide bars are slidably connected to the slider to guide the lifting and lowering of the slider.

[0011] In some embodiments, the second stroke adjustment device includes a second drive motor, a transmission assembly and a second adjusting screw, the device base includes a base body for supporting the working 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 to the first support block, and the second drive 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 also includes a third adjusting screw, the second supporting block is slidably connected to the top surface of the base body, the third adjusting screw is rotatably supported on the base body and the third adjusting screw is threadedly connected to the second supporting block, so that when the third adjusting screw is rotated, the second supporting block can be driven to move linearly back and forth in a second direction in a horizontal plane, and the second direction is perpendicular to the first direction.

[0013] In some embodiments, each of the mounting plates is also constructed with a second strip guide hole extending in the vertical direction, and 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 guide holes via a protrusion; and / or, a partition is arranged between the two mounting plates, the partition is located at the lower part of the lifting channel, and a tension spring is arranged between the partition and the transmission assembly; and / or, a pair of transverse guide slide bars are connected to the transmission assembly, and the pair of transverse guide slide bars are slidably connected to the first support block to guide the first support block to move along the first direction; and / or, the first stroke adjustment device also includes a first battery assembly, which is used to provide working power for the first drive motor; and / or, the second stroke adjustment device also includes a second battery assembly, which is used to provide working power for the second drive motor.

[0014] The present invention also provides a control method for the above-mentioned prefabricated track plate fine adjustment system, comprising the following steps:

[0015] Acquire installation position information of the prefabricated track slab, wherein the installation position information at least includes a horizontal position, a height, and an inclination angle;

[0016] Based on the installation position information, it is determined whether the prefabricated track plate is in a qualified position. If the prefabricated track plate is not in a qualified position, the position deviation is calculated according to the installation position information and the target position information, and the operation of the fine-adjusting device of each group of the prefabricated track plates is controlled according to the position deviation so that the position deviation difference is zero.

[0017] The prefabricated track plate fine-tuning system and control method thereof of the present invention detects the installation position of the prefabricated track plate in real time through a measuring instrument, and the upper computer can determine 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 fine-tuning claw fine-tuning units is calculated according to the position deviation. Each group of fine-tuning claw fine-tuning units 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, thereby realizing automatic fine-tuning of the prefabricated track plate, and having the advantages of high adjustment efficiency, high precision, and saving labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a system schematic diagram of a prefabricated track slab fine adjustment system in an embodiment of the present invention;

[0019] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of the prefabricated track slab fine adjustment device;

[0020] Figure 3 yes Figure 2 A schematic diagram of the three-dimensional structure after omitting some structures;

[0021] Figure 4 yes Figure 3 A partial enlarged view of the middle A;

[0022] Figure 5 yes Figure 2 Schematic diagram of the three-dimensional structure of some components in the middle.

[0023] In the figure: 1. first support block; 2. mounting plate; 3. first strip guide hole; 4. slider; 5. 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 slide bar; 13. first battery assembly; 14. second drive motor; 15. transmission assembly; 16. second adjusting screw; 17. connecting plate; 18. second strip guide hole; 19. partition; 20. tension spring; 21. second battery assembly; 22. transverse guide slide bar; 100. prefabricated track plate fine adjustment device; 200. prefabricated track plate; 301. measuring instrument; 302. prism; 400. host computer. DETAILED DESCRIPTION

[0024] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present invention will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. In the figures, the thickness of regions and layers are exaggerated for clarity. The same reference numerals in the figures represent the same or similar structures, and thus their detailed description will be omitted.

[0025] The described features, structures or characteristics may be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the embodiments of the present invention. However, those skilled in the art will appreciate that the technical solution of the present invention may be practiced without one or more of the specific details, or other methods, components, materials, etc. may be adopted. In other cases, known structures, materials or operations are not shown or described in detail to avoid blurring various aspects of the present invention.

[0026] The following example describes the prefabricated track plate fine adjustment system and control method thereof of the present invention. This example is only a part of the embodiments of the present invention, but the protection scope of the present invention is not limited thereto. All other embodiments obtained by ordinary technicians in this field without creative work should be included in the protection scope of the present invention.

[0027] Please refer to Figures 1 to 5 According to an embodiment of the present invention, a prefabricated track plate fine-tuning system is provided, comprising: four groups of prefabricated track plate fine-tuning devices 100, each of which is respectively arranged corresponding to the four corners of the prefabricated track plate 200, wherein two groups are located at a first side of the width of the prefabricated track plate 200, and the other two groups are located at a second side of the width of the prefabricated track plate 200, wherein the first side and the second side of the width are specifically the two sides of the width of the prefabricated track plate, such as Figure 1 The upper and lower sides shown; a measuring component, including a measuring instrument 301 (specifically, a laser total station) and a prism 302, wherein the prism 302 is arranged on the top surface of the prefabricated track plate 200, and the measuring instrument 301 is arranged on the installation carrier to detect the installation position parameters of the prefabricated track plate 200 in real time; a host computer 400, which is communicated with the measuring instrument 301 and each group of the prefabricated track plate fine-tuning device 100 to obtain the installation position information and can control the operation of each group of the prefabricated track plate fine-tuning device 100 to adjust the installation position of the prefabricated track plate 200.

[0028] In this technical solution, the installation position of the prefabricated track plate is detected in real time by a measuring instrument, and the upper computer can determine 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 fine-adjusting claws and fine-adjusting units is calculated according to the position deviation. Each group of fine-adjusting claws and fine-adjusting units 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, thereby realizing automatic fine-tuning of the prefabricated track plate, which has the advantages of high adjustment efficiency, high precision, and saving labor costs.

[0029] In some embodiments, the prefabricated track plate fine-adjusting device 100 includes a device base (not labeled in the figure), the top of the device base is slidably connected to a mounting frame (not labeled in the figure), a fine-adjusting claw (not labeled in the figure) is slidably connected to the mounting frame, and a first stroke adjustment device (not labeled in the figure, also referred to as a first stroke wrench) is also connected to the mounting frame, the first stroke adjustment device can drive the fine-adjusting claw to rise and fall, and also includes a second stroke adjustment device (not labeled in the figure, also referred to as a second stroke wrench), the second stroke adjustment device can drive the mounting frame to move back and forth in a straight line along a first direction in a horizontal plane, so as to adjust the mounting frame to a desired position. Figure 1 The orientation shown is for reference only, and the aforementioned first direction is also the horizontal left-right direction.

[0030] The fine-adjusting device in this technical solution can be installed on both sides of the prefabricated track plate in specific applications. Two fine-adjusting devices are arranged on one side of the prefabricated track plate. The fine-adjusting claws of the fine-adjusting device are inserted into the pre-set sockets on the prefabricated track plate, and then the base of the device is fixed to the ground next to the prefabricated track plate to prevent the entire fine-adjusting device from sliding and affecting the fine-adjusting operation of the prefabricated track plate.

[0031] After the arrangement and installation of the fine-adjustment device is completed, the first stroke adjustment device is used to automatically drive the fine-adjustment claw to move in the vertical direction of the mounting frame, so as to achieve fine-adjustment of the elevation of the prefabricated track plate in the vertical direction; at the same time, the second stroke adjustment device can be used to automatically drive the entire mounting frame to move on the horizontal plane. At this time, the fine-adjustment claw will also move on the horizontal plane, so as to achieve fine-adjustment of the displacement of the prefabricated track plate on the horizontal plane; this embodiment utilizes the cooperation of the first stroke adjustment device and the second stroke adjustment device to achieve high-precision adjustment of the prefabricated track plate, and the adjustment operation has the advantages of being simple and convenient, highly practical, and having low labor costs.

[0032] In some embodiments, the mounting frame includes: a first support block 1, the first support block 1 is slidably connected to the top of the device base, a mounting plate 2 is provided on both sides of the first support block 1, and the two mounting plates 2 are provided with a first strip guide hole 3 in the vertical direction.

[0033] In this embodiment, the mounting frame is composed of two mounting plates 2 and a first support block 1. The mounting frame has a simple structure and a small weight, which is convenient for carrying the fine-tuning device; at the same time, it is convenient to replace the fine-tuning device to the next fine-tuning operation site.

[0034] In some embodiments, the fine-tuning claw includes: a slider 4, a claw 5 is provided on one side of the slider 4, a pair of guide grooves 6 is provided on the other side of the slider 4, one side of the two mounting plates 2 is respectively inserted in the guide grooves 6, each guide groove 6 is provided with a pair of limit columns (not shown in the figure and not marked), and the pair of limit columns in each guide groove 6 are inserted in the corresponding first strip guide hole 3.

[0035] In this embodiment, the claw 5 is composed of two rods, and the two rods are inserted into the holes reserved on both sides of the prefabricated track plate (ie, the aforementioned insertion holes), so that the fine-adjusting claw can be quickly assembled to the prefabricated track plate.

[0036] In some embodiments, Figure 2 and Figure 3 As shown, the device base includes: a base body 7, a second support block 8 is slidably 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 support block 8, and the mounting frame is slidably connected to the second support block 8 of the device base, and the sliding direction of the second support block 8 on the base body 7 (that is, the second direction) is perpendicular to the sliding direction of the mounting frame on the second support block 8 (that is, the aforementioned first direction).

[0037] In this embodiment, a first protruding structure (not marked in the figure) is provided on one side of the base body 7, and the third adjusting screw 9 is directly inserted into the first protruding structure, and a first limiting ring (not marked in the figure) is provided on the third adjusting screw 9 located on the inner side of the first protruding structure, which is used to prevent the third adjusting screw 9 from moving itself; this embodiment is capable of adjusting the position of the entire mounting frame by providing a slidable second supporting block 8 on the base body 7, which can adapt to different installation positions and improve the assembly convenience between the fine adjustment device and the prefabricated track plate.

[0038] In some embodiments, Figure 1 and Figure 2 As shown, the first stroke adjustment device includes: a first driving motor 10, a driving end of the first driving motor 10 is connected to a first adjusting screw 11, the inserting claw 5 is fixedly connected to 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 rotatably connected to the upper surface of the first supporting block 1 of the mounting frame;

[0039] A pair of vertical guide slide bars 12 are provided on both sides of the first driving motor 10 , one end of each vertical guide slide bar 12 is fixed on the outer wall of the first driving motor 10 , and the two vertical guide slide bars 12 are both inserted on the slider 4 of the fine-tuning claw.

[0040] In this embodiment, since the bottom of the first adjusting screw 11 is rotatably connected to the upper surface of the first supporting block 1, the first driving motor 10 is started to drive the first adjusting screw 11 to rotate, and since the slider 4 and the first adjusting screw 11 are threadedly matched, the slider 4 can be driven to rise and fall on the mounting plate 2 of the mounting frame, thereby realizing the up and down movement of the inserting claw 5 of the fine-tuning claw, thereby realizing the fine adjustment of the elevation of the prefabricated track plate in the vertical direction.

[0041] In some embodiments, a first battery assembly 13 is connected to the first drive motor 10 , and the first battery assembly 13 is used to provide working power for the first drive motor 10 .

[0042] In this 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 to the first drive motor 10, and can provide an independent power supply for the first drive motor 10 separately, thereby ensuring the stability of the working power supply of the first stroke adjustment device.

[0043] In some embodiments, the second stroke adjustment device includes: a second drive motor 14, a transmission assembly 15 is provided on one side of the second drive motor 14, the output shaft of the second drive motor 14 is connected to the transmission assembly 15, the transmission output end of the transmission assembly 15 is connected to a second adjusting screw 16, the second adjusting screw 16 is rotatably connected to the second support block 8 of the device base, and the second adjusting screw 16 is screwed to the first support block 1 of the mounting frame.

[0044] In this embodiment, if Figure 2 As shown, the transmission assembly 15 includes: an L-shaped shell (not labeled in the figure), and a gear set (not labeled in the figure) is arranged in the shell. For example, two gears are arranged in the vertical section of the transmission assembly 15, and the two gears are meshed with each other. The upper gear is installed on the output shaft of the second drive motor 14, and a transmission shaft is provided in the horizontal section of the transmission assembly 15. The lower gear is installed 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. By setting the transmission assembly 15, the space limitations on site can be met.

[0045] In this embodiment, a second protruding structure (not marked in the figure) is provided on the second support block 8, and the second adjusting screw 16 is passed through the second protruding structure. Then, a second limiting ring (not marked in the figure) is provided on the second adjusting screw 16 located on the inner side of the second protruding structure to prevent the second adjusting screw 16 from moving itself (axially).

[0046] In some embodiments, since the second stroke adjustment device is suspended on one side of the device base, in order to prevent the transmission component 15 from being subjected to shear force due to the weight of the entire second stroke adjustment device, resulting in deformation and damage of the transmission component 15 (when the transmission component 15 is deformed, the fine-tuning accuracy of the second stroke adjustment device will be reduced), a connecting plate 17 is provided between the transmission component 15 and the mounting plate 2 of the mounting frame, and one end of the connecting plate 17 is hinged to the transmission component 15; a pair of second strip guide holes 18 are provided in the vertical direction of the mounting plate 2 of the mounting frame, and protrusions are provided on both sides of the other end of the connecting plate 17 (not shown in the figure and not labeled), and the two protrusions are respectively inserted into the corresponding second strip guide holes 18 In this way, when the transmission assembly 15 follows the second drive motor 14 to move laterally, the other end of the connecting plate 17 can slide up and down in the second strip guide hole 18, so that the connecting plate 17 can dynamically support the weight of the transmission assembly 15 (tension bearing force), thereby ensuring that the positions of the transmission assembly 15 and the second drive motor 14 are reliable and stable; a partition plate 19 is provided at the bottom between the two mounting plates 2 of the mounting frame, and 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, and the tension spring 20 applies an elastic buffer force between the partition plate 19 and the transmission assembly 15, which can ensure the stability of the transmission assembly 15 in the process of following the second drive motor 14 to move laterally.

[0047] In this embodiment, since a connecting plate 17 and a tension spring 20 are provided between the mounting plate 2 and the transmission assembly 15, the weight of the entire second stroke adjustment device is borne by the mounting plate 2, which can prevent the transmission assembly 15 from being subjected to stress and effectively prevent the transmission assembly 15 from being damaged.

[0048] In some embodiments, a second battery assembly 21 is connected to the second drive motor 14 , and the second battery assembly 21 is used to provide working power for the second drive motor 14 .

[0049] In this embodiment, the second battery assembly 21 includes: a battery box and a lithium battery disposed in the battery box. The lithium battery of the second battery assembly 21 is electrically connected to the second drive motor 14, and can provide an independent power supply for the second drive motor 14 to ensure the stability of the working power supply of the second stroke adjustment device.

[0050] In some embodiments, in order to improve the installation strength and stability of the transmission assembly 15, a pair of transverse guide slide bars 22 are connected to the outer side of one end of the transmission assembly 15, and the end of the pair of transverse guide slide bars 22 away from the transmission assembly 15 is respectively slidably connected to the bottom of the two mounting plates 2 of the mounting frame.

[0051] According to an embodiment of the present invention, there is also provided a control method for the above-mentioned prefabricated track slab fine adjustment system, comprising the following steps:

[0052] Acquire installation position information of the prefabricated track plate 200, wherein the installation position information at least includes a horizontal position, a height, and an inclination angle;

[0053] Based on the installation position information, it is determined whether the prefabricated track plate 200 is in a qualified position. If the prefabricated track plate 200 is not in a qualified position, the position deviation is calculated according to the installation position information and the target position information, and the operation of each group of the prefabricated track plate fine-adjusting devices 100 is controlled according to the position deviation so that the position deviation difference is zero.

[0054] Specifically, the aforementioned control method is built into the aforementioned host computer 400 for execution, and the specific steps are as follows:

[0055] Step S10: obtaining the installation position of the prefabricated track slab; wherein the installation position at least includes: horizontal position, height and inclination angle;

[0056] Step S20: determining whether the installation position reaches the qualified position of the prefabricated track slab;

[0057] Step S30: If not, calculate the position deviation according to the installation position and the qualified position;

[0058] Step S40: calculating the position adjustment amount of each group of fine-adjusting claw fine-adjusting units according to the position deviation;

[0059] Step S50: Send the position adjustment amount of each group of fine-adjusting claw fine-adjusting units to the corresponding fine-adjusting claw fine-adjusting units, and each group of fine-adjusting claw fine-adjusting units 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, and the position deviation value is 0 at this time; that is, the horizontal position, height and inclination angle are all adjusted to the corresponding qualified positions.

[0060] The present invention detects the installation position of the prefabricated track plate in real time through a measuring instrument, and the upper computer can determine 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 fine-adjusting claws and fine-adjusting units is calculated according to the position deviation. Each group of fine-adjusting claws and fine-adjusting units 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, thereby realizing automatic fine adjustment of the prefabricated track plate, and having the advantages of high adjustment efficiency and high precision.

[0061] It is easy for those skilled in the art to understand that, without conflict, the advantageous technical features of the above-mentioned methods can be freely combined and superimposed.

[0062] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A prefabricated track slab fine-tuning system, characterized in that: include: Four groups of prefabricated track plate fine adjustment devices (100), each of the prefabricated track plate fine adjustment devices (100) being arranged corresponding to the four corners of the prefabricated track plate (200), two of which are located at a first side of the width of the prefabricated track plate (200), and the other two groups are located at a second side of the width of the prefabricated track plate (200); A measuring component, comprising a measuring instrument (301) and a prism (302), wherein the prism (302) is arranged on the top surface of the prefabricated track plate (200), and the measuring instrument (301) is arranged on a mounting carrier, so as to detect installation position parameters of the prefabricated track plate (200) in real time; The host computer (400) is connected to the measuring instrument (301) and each group of the prefabricated track plate fine adjustment devices (100) to obtain the installation position information and control the operation of each group of the prefabricated track plate fine adjustment devices (100) to adjust the installation position of the prefabricated track plate (200).

2. The prefabricated track slab fine adjustment system according to claim 1, characterized in that: The prefabricated track plate fine adjustment device (100) comprises a device base, the top of the device base is slidably connected to a mounting frame, the mounting frame is slidably connected to a fine adjustment claw, the mounting frame is also connected to a first stroke adjustment device, the first stroke adjustment device can drive the fine adjustment claw to rise and fall, and also comprises a second stroke adjustment device, the second stroke adjustment device can drive the mounting frame to move back and forth in a straight line along a first direction in a horizontal plane.

3. The prefabricated track slab fine-tuning system according to claim 2, characterized in that: The mounting frame comprises a first support block (1) for being slidably connected to the top of the device base, a mounting plate (2) is respectively arranged on two opposite sides of the first support block (1), the two mounting plates (2) are arranged at intervals in the vertical direction and form a lifting channel therebetween, and the fine adjustment claw is slidably connected to the two mounting plates (2).

4. The prefabricated track slab fine-tuning system according to claim 3, characterized in that: Each of the mounting plates (2) is respectively provided with a first strip-shaped guide hole (3) extending in the vertical direction, the fine-adjustment claw comprises a slider (4) and a claw (5) for being inserted into a plug hole on the prefabricated track plate, the claw (5) is located on the slider (4), and the slider (4) has a limiting column respectively slidably inserted into the first strip-shaped guide hole (3).

5. The prefabricated track slab fine adjustment system according to claim 4, characterized in that: A guide groove (6) is constructed on one side of the slider (4) away from the claw (5) and is arranged in one-to-one correspondence with the two mounting plates (2); the limit column is located at the notch of the guide groove (6); the side edge of the mounting plate (2) is located in the guide groove (6) so that each of the first strip-shaped guide holes (3) and the limit column can slide together; and / or the first stroke adjustment device comprises 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) via 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 prefabricated track slab fine adjustment system according to claim 5, characterized in that: A pair of vertical guide slide bars (12) are connected to the fixing seat of the first driving motor (10), and the pair of vertical guide slide bars (12) are slidably connected to the slider (4) to guide the lifting and lowering of the slider (4).

7. The prefabricated track slab fine adjustment system according to claim 5, characterized in that: The second stroke adjustment device comprises a second drive motor (14), a transmission assembly (15) and a second adjusting screw (16); the device base comprises a base body (7) for supporting on a working platform and a second support block (8) located 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 prefabricated track slab fine adjustment system according to claim 7, characterized in that: The second adjusting screw (16) is rotatably supported on the second supporting block (8); and / or the device base also includes a third adjusting screw (9), the second supporting 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 supporting block (8), so that when the third adjusting screw (9) is rotated, the second supporting block (8) can be driven to move linearly back and forth in a second direction in a horizontal plane, and the second direction is perpendicular to the first direction.

9. The prefabricated track slab fine adjustment system according to claim 7, characterized in that: Each of the mounting plates (2) is also configured 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); the other end of the connecting plate (17) is correspondingly inserted into the two second strip-shaped guide holes (18) via a protruding portion; and / or a partition plate (19) is provided between the two mounting plates (2); the partition plate (19) is located at the lower part of the lifting channel; a tension spring (20) is provided between the partition plate (19) and the transmission assembly (15). ; and / or, a pair of transverse guide slide bars (22) are connected to the transmission assembly (15), and the pair of transverse guide slide bars (22) are slidably connected to the first support block (1) to guide the first support block (1) to move along the first direction; and / or, the first stroke adjustment device also includes a first battery assembly (13), and the first battery assembly (13) is used to provide working power for the first drive motor (10); and / or, the second stroke adjustment device also includes a second battery assembly (21), and the second battery assembly (21) is used to provide working power for the second drive motor (14).

10. A control method for a prefabricated track slab fine adjustment system according to any one of claims 1 to 9, characterized in that: The steps include: Acquiring installation position information of the prefabricated track plate (200), the installation position information at least including a horizontal position, a height and an inclination angle; Based on the installation position information, it is determined whether the prefabricated track plate (200) is in a qualified position; if the prefabricated track plate (200) is not in a qualified position, a position deviation is calculated based on the installation position information and the target position information, and the operation of each group of the prefabricated track plate fine adjustment devices (100) is controlled based on the position deviation so that the position deviation difference is zero.

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