Wear-resistant guide rail splicing device and method of heavy-load type sliding table

Abstract

This invention belongs to the technical field of guide rail splicing, specifically relating to a wear-resistant guide rail splicing device for a heavy-duty slide table. It includes a connecting seat, with a mounting base connected to the lower end of the connecting seat and a positioning top seat connected to the upper end. Adjusting racks are slidably connected between the connecting seat, the mounting base, and the positioning top seat. The two ends of the two adjusting racks extend to the outside of both ends of the connecting seat and are arranged in a 180-degree rotational symmetry configuration. A pair of fixing toothed plates located between the two adjusting racks are provided on the outside of both ends of the connecting seat. By setting positioning inserts at both ends of the connecting seat and cooperating with the positioning slots at the ends of the slide table guide rail, precise positioning and initial limiting during assembly are achieved. Simultaneously, the adjusting racks are driven by the adjusting component, and the trapezoidal surface pushes the slider outwards to tightly engage the fixing toothed plates with the fixing toothed grooves inside the slide table guide rail, thereby completing a stable connection and ensuring the accuracy and stability of the rail splicing.

Description

Technical Field

[0001] This invention belongs to the technical field of guide rail splicing, specifically relating to a wear-resistant guide rail splicing device and method for heavy-duty slide tables. Background Technology

[0002] Currently, wear-resistant guide rails for heavy-duty slide tables are widely used in industrial automation, heavy machinery transportation and other fields. They usually need to be spliced ​​on-site to meet the working requirements of different lengths.

[0003] However, traditional splicing methods mainly rely on direct bolt fastening or simple plug-in structures. Under long-term heavy load and high-frequency vibration working environment, the splice is prone to loosening or even slippage due to stress concentration or material fatigue, which poses a safety hazard.

[0004] To address the aforementioned issues, this patent proposes a heavy-duty slide rail splicing device that enables rapid and accurate positioning, provides stable and reliable locking force, has an automatic anti-loosening function, and effectively reduces wear, thereby solving the above technical problems. Summary of the Invention

[0005] The purpose of this invention is to provide a wear-resistant guide rail splicing device and method for heavy-duty slides, so as to solve the problem that traditional splicing methods mentioned in the background art are prone to loosening or even slippage due to stress concentration or material fatigue.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a wear-resistant guide rail splicing device for a heavy-duty slide table, comprising a connecting seat, a mounting base connected to the lower end of the connecting seat, and a positioning top seat connected to the upper end of the connecting seat. Adjusting racks are slidably connected between the connecting seat, the mounting base, and the positioning top seat. The two ends of the two adjusting racks extend to the outside of both ends of the connecting seat and are arranged in a rotationally symmetrical manner of 180 degrees. A pair of fixed toothed plates located between the two adjusting racks are provided on the outside of both ends of the connecting seat. An adjusting component is provided between the two adjusting racks, and the position is adjusted and restricted by the adjusting component. The two adjusting racks can push the two pairs of fixed toothed plates outwards through position adjustment. An anti-detachment component is provided inside the fixed toothed plates.

[0007] Preferably, the adjusting assembly includes a rack groove, and rack grooves are provided inside both the upper and lower ends of the connecting seat. Two adjusting racks are slidably connected inside the two rack grooves. An adjusting shaft is rotatably connected inside the connecting seat between the two adjusting racks, and an adjusting ring that meshes with the two adjusting racks is connected to the outside of the adjusting shaft by screws.

[0008] Preferably, the connecting seat is provided with a gear chamber located outside one end of the adjusting shaft, and a fixed gear is provided inside the gear chamber connected to one end of the adjusting shaft. A preload spring is provided at the end of the fixed gear away from the adjusting shaft, and teeth and grooves are provided on the circumference between the end of the fixed gear near the adjusting shaft and the outer wall of the connecting seat.

[0009] Preferably, the end of the adjusting shaft away from the fixed gear plate is externally threaded with a fixing nut that fits against the outer wall of the connecting seat, both ends of the connecting seat are externally connected to limit shafts, and both ends of the two adjusting racks are connected to push sliders that are snapped onto the outside of the limit shafts.

[0010] Preferably, the four pushing sliders are located in pairs outside the two ends of the connecting seat, and the two pairs of pushing sliders are located between the two pairs of fixed tooth plates. The contact surfaces between the two pairs of pushing sliders and the two pairs of fixed tooth plates are all trapezoidal. Multiple first pushing rollers located inside the pushing sliders are provided between the two pairs of pushing sliders and the two pairs of fixed tooth plates. The fixed tooth plates have limit slots inside, and the inner end of the fixed tooth plates is connected to the limit tooth plate on the side away from the limit slot.

[0011] Preferably, the inner end of the limiting slot is provided with a limiting plate connected to the outer wall of the fixed tooth plate. The limiting slots opened inside the pair of fixed tooth plates on the same side, as well as the externally connected limiting tooth plates and limiting plates, are all arranged symmetrically about the limiting axis at 180 degrees. A synchronous tooth shaft sleeved outside the limiting axis is engaged between the two symmetrically arranged limiting tooth plates and inserted into the symmetrically arranged limiting slots and limiting plates.

[0012] Preferably, the anti-detachment component includes a telescopic groove, and the outer end of the fixed tooth plate is provided with a telescopic groove and a tooth shaft groove. The telescopic groove is located on the side of the tooth shaft groove near the connecting seat and is interconnected with it. The anti-detachment tooth plate is slidably connected inside the telescopic groove.

[0013] Preferably, the inner end of the anti-detachment tooth plate is provided with a pushing wedge plate that is slidably connected inside the telescopic groove, and the end of the pushing wedge plate away from the connecting seat is connected to a linkage tooth plate located inside the tooth shaft groove, and a linkage tooth shaft that meshes with the linkage tooth plate is rotatably connected inside the tooth shaft groove.

[0014] Preferably, the telescopic chute has a sealing plate bolted inside the opening on the side, the anti-loosening plate and the pushing wedge plate have an inclined surface, and multiple second pushing rollers are bolted inside the inclined surface of the pushing wedge plate.

[0015] A method for splicing wear-resistant guide rails for heavy-duty slide tables, comprising the following steps: Step 1: Assembly. Assemble the connecting seat, mounting base, and positioning top seat using bolts. Install the adjusting rack and fixing plate between the connecting seat, mounting base, and positioning top seat. Install the adjusting component between the two adjusting racks. At the same time, install the anti-detachment component inside the fixing plate. Step 2: Assemble the connector between the two track sections and insert the adjusting racks and fixing plates at both ends of the connector into the two track sections. Step 3: Tightening. The two adjusting racks are positioned using the adjusting assembly, and the two adjusting racks push the two pairs of fixed tooth plates outward, so that the two pairs of fixed tooth plates are fixed to the tracks at both ends, thus completing the assembly.

[0016] Compared with the prior art, the present invention provides a wear-resistant guide rail splicing device and method for heavy-duty slide tables, which has the following beneficial effects: 1. This invention achieves precise positioning and initial limiting during assembly by setting positioning inserts at both ends of the connecting seat and cooperating with the positioning slots at the ends of the slide guide rail. At the same time, the adjusting component drives the adjusting rack, and the trapezoidal surface pushes the slider to push the fixed tooth plate outward and tightly mesh with the fixed tooth groove inside the slide guide rail, thereby completing a stable connection and ensuring the accuracy and stability of the track splicing.

[0017] 2. This invention allows for rotational adjustment by pressing the adjusting shaft after loosening the fixing nut, which separates the fixed gear plate from the connecting seat. The rotating adjusting shaft synchronously drives the two adjusting racks to move towards each other, and pushes the fixed gear plate outward by pushing the slider. After fixing, the fixing gear plate and the connecting seat can be re-engaged by tightening the fixing nut, locking the adjusted position. The operation is convenient and the assembly is stable.

[0018] 3. This invention prevents loosening problems that may occur under heavy load by using an anti-loosening component. When the fixed tooth plate tends to loosen due to slight deformation caused by external force, the linkage tooth shaft will roll on the inner wall of the fixed tooth groove, driving the linkage tooth plate and the pushing wedge plate to slide inward. The anti-loosening tooth plate is squeezed by the inclined surface of the pushing wedge plate, causing the anti-loosening tooth plate to protrude outward and enhance the adhesion with the inner wall of the fixed tooth groove, thereby preventing the loosening from worsening.

[0019] 4. In this invention, a first pushing roller and a second pushing roller are used between the pushing slider and the fixed toothed plate, and between the pushing wedge plate and the anti-detachment toothed plate, respectively, to replace the traditional sliding friction, thereby reducing the motion resistance and wear between the components and extending the service life of the equipment. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the splicing device of the present invention.

[0021] Figure 2This is an exploded schematic diagram of the splicing device of the present invention.

[0022] Figure 3 This is a three-dimensional cross-sectional structural diagram of the positioning component of the present invention.

[0023] Figure 4 This is an exploded view of the adjustment component of the present invention.

[0024] Figure 5 This is a schematic diagram of the adjusting rack connection structure of the present invention.

[0025] Figure 6 This is a schematic diagram of the push-slider connection structure of the present invention.

[0026] Figure 7 This is a schematic diagram of the fixed toothed plate connection structure of the present invention.

[0027] Figure 8 For the present invention Figure 7 Enlarged diagram of point A in the middle.

[0028] Figure 9 This is a schematic diagram of the synchronous gear shaft structure of the present invention.

[0029] Figure 10 This is a schematic diagram of the connection structure of the anti-detachment component of the present invention.

[0030] Figure 11 This is a schematic diagram of the push wedge plate connection structure of the present invention.

[0031] Figure 12 This is a schematic diagram of the slide rail connection structure of the present invention.

[0032] In the diagram: 1. Connecting seat; 2. Mounting base; 3. Positioning top seat; 4. Positioning insert plate; 5. Adjusting rack; 6. Fixed rack plate; 7. Rack groove; 8. Adjusting shaft; 9. Adjusting gear ring; 10. Gear disc chamber; 11. Fixed gear disc; 12. Preload spring; 13. Fixed nut; 14. Limiting shaft; 15. Pushing slider; 16. First pushing roller; 17. Limiting slot; 18. Limiting rack plate; 19. Limiting clamping plate; 20. Synchronous gear shaft; 21. Telescopic groove; 22. Gear shaft groove; 23. Anti-detachment rack plate; 24. Pushing wedge plate; 25. Linkage rack plate; 26. Linkage rack; 27. Sealing plate; 28. Second pushing roller; 29. ​​Slide guide rail; 30. Fixed gear groove. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] This invention provides, for example Figures 1-12 The diagram shows a wear-resistant guide rail splicing device for a heavy-duty slide table, comprising a connecting seat 1, a mounting base 2 connected to the lower end of the connecting seat 1, and a positioning top seat 3 connected to the upper end of the connecting seat 1. Two slide table guide rails 29 are provided outside the connecting seat 1 and connected between the two slide table guide rails 29. Fixed toothed grooves 30 are axially formed inside the two slide table guide rails 29. Positioning inserts 4, which are inserted into the slide table guide rails 29, are connected to the end of the positioning top seat 3 near one end of the slide table guide rail 29. Adjusting racks 5 are slidably connected between the connecting seat 1, the mounting base 2, and the positioning top seat 3. Both ends of the adjusting rack 5 extend into the two external fixed tooth grooves 30, and are arranged in a rotationally symmetrical manner of 180 degrees. Each end of the connecting seat 1 has a pair of fixed tooth plates 6 located between the two adjusting racks 5 and meshing with the inner wall of the fixed tooth groove 30. Fixed teeth are provided between the fixed tooth plates 6 and the fixed tooth groove 30. An adjusting component is provided between the two adjusting racks 5, and the position is adjusted and restricted through the adjusting component. The two adjusting racks 5 can push the two pairs of fixed tooth plates 6 outwards to tightly fit against the inner wall of the fixed tooth groove 30 through position adjustment. The plate 6 is equipped with an anti-slip component to prevent slippage between itself and the inner wall of the fixed tooth groove 30. During the assembly of the wear-resistant guide rails of the heavy-duty slide table, the connecting seat 1, mounting base 2, and positioning top seat 3 are first assembled into a single unit using bolts. The adjusting rack 5 and the fixed tooth plate 6 are then installed between the connecting seat 1 and the mounting base 2 and positioning top seat 3. The adjusting component is installed between the two adjusting racks 5, and the anti-slip component is installed inside the fixed tooth plate 6, thus completing the assembly of the assembly device. At this point, the assembly device is placed between the two slide table sections. The guide rails 29 are positioned and initially limited by the positioning insert plate 4. Then, the two adjusting racks 5 are adjusted by the adjusting component, and the two pairs of fixed tooth plates 6 are pushed outward by the two adjusting racks 5. The two pairs of fixed tooth plates 6 inserted into the two fixed tooth grooves 30 are respectively engaged and fixed with the fixed tooth grooves 30 inside the two end slide guide rails 29. The anti-loosening component can prevent the fixed tooth plates 6 from loosening with the fixed tooth grooves 30, thereby completing the assembly of the track and ensuring the stability of the assembly.

[0035] The slide rail 29 includes a middle support rail, an upper slide rail, and a lower fixed rail, which are used for supporting and sliding the heavy-duty slide. The outer wall is electroplated with wear-resistant material. The size and shape of the mounting base 2 and the positioning top seat 3 can be customized according to the upper slide rail and the lower fixed rail of the slide rail 29. The end of the slide rail 29 is provided with a positioning slot corresponding to the positioning insert plate 4 to ensure that the assembly device can be accurately positioned and aligned with the two sections of the slide rail 29.

[0036] like Figures 1-7 As shown, the adjusting assembly includes a rack groove 7. Both the upper and lower ends of the connecting seat 1 have rack grooves 7 inside, and two adjusting racks 5 are slidably connected inside the two rack grooves 7 respectively. An adjusting shaft 8 is rotatably connected inside the connecting seat 1 between the two adjusting racks 5. An adjusting gear ring 9, which meshes with the two adjusting racks 5, is screwed to the outside of the adjusting shaft 8. A gear disc chamber 10 is located outside one end of the adjusting shaft 8 outside the connecting seat 1, and a gear disc chamber 10 is provided inside the gear disc chamber 10 connected to one end of the adjusting shaft 8. The fixed gear plate 11 at the end of the fixed gear plate 11 is equipped with a preload spring 12 at the end away from the adjusting shaft 8, and the fixed gear plate 11 near the adjusting shaft 8 has teeth and grooves on its circumference between the end of the fixed gear plate 11 and the outer wall of the connecting seat 1. The adjusting shaft 8 is externally threaded to the end away from the fixed gear plate 11 and is fitted with a fixing nut 13 that fits against the outer wall of the connecting seat 1. During the process of fixing the assembly device and the track, the fixing nut 13 is loosened, and the adjusting shaft 8 is pressed towards one side of the gear plate chamber 10 using a hex wrench. At this time, due to the adjusting shaft... A limiting groove is provided between the bolt between the adjusting gear ring 8 and the adjusting shaft 8, so the adjusting shaft 8 can slide inside the connecting seat 1 towards the gear chamber 10. The adjusting gear ring 9 can be adjusted in position with the adjusting shaft 8 by sliding the bolt within the limiting groove on the outer wall of the adjusting shaft 8. This ensures that the adjusting gear ring 9 maintains both its connection with the adjusting shaft 8 and its meshing with the two adjusting gear racks 5. Simultaneously, the fixed gear disc 11 can separate from the outer wall of the connecting seat 1 under the pushing force of the adjusting shaft 8, allowing the connecting seat... The teeth and grooves between the fixed gear plate 11 and the fixed gear plate 11 are separated, allowing the fixed gear plate 11 to rotate inside the gear plate chamber 10. The adjusting shaft 8 can rotate inside the connecting seat 1, and drive the adjusting gear ring 9 to rotate between the two adjusting racks 5, thereby adjusting the position of the two adjusting racks 5 so that the two adjusting racks 5 can move closer and further away synchronously. Through the position adjustment of the two adjusting racks 5, the two pairs of fixed gear plates 6 are pushed outward, so that the two pairs of fixed gear plates 6 mesh and fix with the inner wall of the fixed gear groove 30, realizing the assembly of the track.

[0037] Furthermore, after the track assembly is completed, tighten the fixing nut 13 towards the connecting seat 1 and make it fit tightly against the outer wall of the connecting seat 1. Pull the adjusting shaft 8 and the fixing gear 11 away from the gear chamber 10, so that the teeth and grooves between the connecting seat 1 and the connecting seat 1 mesh again, thereby fixing the connecting seat 1 and the fixing gear 11, and then fixing the position of the adjusting shaft 8 and the adjusting gear ring 9, so that the position of the adjusting rack 5 and the fixing gear plate 6 is fixed, ensuring that the assembly is stable.

[0038] like Figure 8 and Figure 9 As shown, the connecting seat 1 is connected to limit shafts 14 at both ends near the two slide rails 29. The two adjusting racks 5, located inside the two fixed toothed grooves 30, are each connected to push sliders 15 that are engaged with the limit shafts 14 at both ends. The four push sliders 15 are located in pairs at both ends of the connecting seat 1, with each pair of push sliders 15 positioned between two pairs of fixed toothed plates 6. The contact surfaces between the push sliders 15 and the two pairs of fixed toothed plates 6 are trapezoidal. The two pairs of push sliders 15 and the two pairs of fixed toothed plates 6... Multiple first pushing rollers 16 located inside the pushing sliders 15 are arranged between the plates 6. A limiting slot 17 is opened inside the fixed toothed plate 6, and a limiting toothed plate 18 is connected to the inner end of the fixed toothed plate 6 away from the limiting slot 17. A limiting plate 19 connected to the outer wall of the fixed toothed plate 6 is provided at the inner end of the limiting slot 17. The limiting slots 17 opened inside the pair of fixed toothed plates 6 located on the same side, as well as the externally connected limiting toothed plates 18 and limiting plates 19, are all at 180 degrees with the limiting axis 14. The two pairs of fixed toothed plates 6 are arranged in a rotationally symmetrical configuration, and a synchronous toothed shaft 20, sleeved on the outside of the fixed shaft 14, meshes between them. The fixed toothed plates 6 are inserted into the symmetrically arranged fixed slots 17 and fixed retaining plates 19. During the meshing and fixing of the two pairs of fixed toothed plates 6 with the inner walls of the fixed toothed grooves 30, the fixed toothed plates 6 can be inserted through the external fixed toothed plates 18 with the symmetrically positioned fixed toothed plates 6 through the external fixed slots 17 and fixed retaining plates 19, allowing a pair of fixed toothed plates 6 to pass through... The symmetrical limiting slots 17, limiting toothed plates 18, and limiting clamping plates 19 are assembled together. At the same time, the two limiting toothed plates 18, which are inserted into the limiting slots 17 and the limiting clamping plates 19, are engaged with a synchronous toothed shaft 20 that is sleeved on the outside of the limiting shaft 14. This allows the two fixed toothed plates 6 to move closer or further away synchronously through the limiting toothed plates 18 and the synchronous toothed shaft 20. The synchronous toothed shaft 20 can also limit the connection seat 1 and the adjusting rack 5 through the limiting between the limiting shaft 14 and the limiting toothed plates 18.

[0039] At this time, since the adjusting rack 5 pushes the fixed tooth plate 6 through the pushing slider 15, and the contact surface between the pushing slider 15 and the fixed tooth plate 6 is set in a trapezoidal shape, when the two adjusting racks 5 approach each other synchronously, the pair of pushing sliders 15 on the same side approach each other and push the pair of fixed tooth plates 6 in the middle outward through the trapezoidal surface, so that the pair of fixed tooth plates 6 can simultaneously contact the two inner walls of the fixed tooth groove 30 and mesh with the inside of the fixed tooth groove 30, thereby fixing the fixed tooth plate 6 and the fixed tooth groove 30, and then fixing the assembly device and the two slide rails 29, completing the assembly of the track.

[0040] During the process of pushing the fixed toothed plate 6 by the pushing slider 15, the pushing slider 15 slides and pushes against the trapezoidal surface of the fixed toothed plate 6 through the trapezoidal surface. The pushing slider 15 can reduce the sliding resistance between the fixed toothed plate 6 and the fixed toothed plate 6 by the rolling of the first pushing roller 16 inside the trapezoidal surface. This can reduce the pushing resistance between the fixed toothed plate 6 and the pushing slider 15, and also reduce the wear between the fixed toothed plate 6 and the pushing slider 15.

[0041] like Figure 10 and Figure 11 As shown, the anti-detachment assembly includes a telescopic slide groove 21. The meshing ends of the fixed toothed plate 6 and the fixed toothed groove 30 are provided with a telescopic slide groove 21 and a toothed shaft groove 22. The telescopic slide groove 21 is located on the side of the toothed shaft groove 22 closest to the connecting seat 1 and is interconnected with it. An anti-detachment toothed plate 23, which is slidably connected to and meshes with the inner wall of the fixed toothed groove 30, is provided inside the telescopic slide groove 21. A pushing wedge plate 24, slidably connected inside the telescopic slide groove 21, is provided at the end of the anti-detachment toothed plate 23 away from the fixed toothed groove 30. A linkage toothed plate 25, located inside the toothed shaft groove 22, is connected at the end of the pushing wedge plate 24 away from the connecting seat 1. A linkage toothed shaft, meshing with the linkage toothed plate 25, is rotatably connected inside the toothed shaft groove 22. 26. The opening on the side of the telescopic slide 21 is connected to a sealing plate 27 by bolts. The mating surfaces of the anti-detachment tooth plate 23 and the pushing wedge plate 24 are set at an angle. Multiple second pushing rollers 28 are fixed inside the mating angle of the pushing wedge plate 24 by bolts. During the process of preventing the fixed tooth plate 6 and the fixed tooth groove 30 from loosening, when the pushing wedge plate 24 is located at the farthest point from the connecting seat 1 inside the telescopic slide 21, the outer end of the anti-detachment tooth plate 23 is flush with the outer end of the fixed tooth plate 6 under the support of the pushing wedge plate 24, and together with the fixed tooth plate 6, it tightly meshes with the inner wall of the fixed tooth groove 30. At the same time, the linkage tooth shaft 26 meshes with the inner wall of the fixed tooth groove 30.

[0042] Furthermore, when the fixing teeth between the fixing tooth plate 6 and the fixing tooth groove 30 deform and loosen under external force and slide outward from the fixing tooth groove 30, the linkage tooth shaft 26, driven by the fixing tooth plate 6, rolls on the inner wall of the fixing tooth groove 30 through meshing with the fixing teeth, allowing the linkage tooth shaft 26 to rotate inside the tooth shaft groove 22. Through the meshing between the linkage tooth plates 25, the linkage tooth plate 25 and the pushing wedge plate 24 slide towards the connecting seat 1 inside the telescopic slide groove 21. This allows the pushing wedge plate 24 to push the anti-detachment tooth plate 23 outward through the contacting inclined surface between it and the anti-detachment tooth plate 23, thereby increasing the contact force between the anti-detachment tooth plate 23 and the inner wall of the fixing tooth groove 30, preventing the fixing tooth plate 6 from further loosening from the fixing tooth groove 30, and ensuring the stability of the fixing between the fixing tooth plate 6 and the fixing tooth groove 30.

[0043] When the fixed teeth between the fixed tooth plate 6 and the fixed tooth groove 30 are deformed, the meshing between the linkage tooth shaft 26 and the fixed teeth of the fixed tooth groove 30 will not be affected. Therefore, it can roll normally on the inner wall of the fixed tooth groove 30 through meshing with the fixed teeth, ensuring that the anti-detachment component can operate normally.

[0044] In addition, the pushing wedge 24 can reduce the sliding resistance between itself and the anti-detachment tooth plate 23 through the second pushing roller 28, and can reduce the wear between the anti-detachment tooth plate 23 and the pushing wedge 24.

[0045] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A wear-resistant guide rail splicing device for a heavy-duty slide table, comprising a connecting seat (1), wherein a mounting base (2) is connected to the lower end of the connecting seat (1), and a positioning top seat (3) is connected to the upper end of the connecting seat (1), wherein adjusting racks (5) are slidably connected between the connecting seat (1), the mounting base (2), and the positioning top seat (3), and the two ends of the two adjusting racks (5) extend to the outside of the two ends of the connecting seat (1) respectively, and are arranged in a rotationally symmetrical manner of 180 degrees, wherein a pair of fixing tooth plates (6) located between the two adjusting racks (5) are provided on the outside of the two ends of the connecting seat (1), characterized in that: An adjustment component is provided between the two adjustment racks (5), and the position is adjusted and restricted by the adjustment component. The two adjustment racks (5) can push the two pairs of fixed tooth plates (6) outward by adjusting their positions. An anti-detachment component is provided inside the fixed tooth plates (6).

2. The wear-resistant guide rail splicing device for a heavy-duty slide table as described in claim 1, characterized in that, The adjustment assembly includes a rack groove (7). The upper and lower ends of the connecting seat (1) are provided with rack grooves (7). Two adjustment racks (5) are slidably connected inside the two rack grooves (7). An adjustment shaft (8) is rotatably connected inside the connecting seat (1) between the two adjustment racks (5). An adjustment ring (9) that meshes with the two adjustment racks (5) is connected to the outside of the adjustment shaft (8) by screws.

3. The wear-resistant guide rail splicing device for a heavy-duty slide table as described in claim 2, characterized in that, The connecting seat (1) is provided with a gear chamber (10) located outside one end of the adjusting shaft (8), and a fixed gear (11) connected to one end of the adjusting shaft (8) is provided inside the gear chamber (10). A preload spring (12) is provided at the end of the fixed gear (11) away from the adjusting shaft (8), and teeth and grooves are provided on the circumference of the end of the fixed gear (11) close to the adjusting shaft (8) and the outer wall of the connecting seat (1).

4. The wear-resistant guide rail splicing device for a heavy-duty slide table as described in claim 3, characterized in that, The adjusting shaft (8) is externally threaded to the end away from the fixed gear plate (11) with a fixing nut (13) that fits against the outer wall of the connecting seat (1). Both ends of the connecting seat (1) are externally connected to a limiting shaft (14). Both ends of the two adjusting racks (5) are connected to a pushing slider (15) that is snapped onto the outside of the limiting shaft (14).

5. The wear-resistant guide rail splicing device for a heavy-duty slide table as described in claim 4, characterized in that, The four push sliders (15) are located in pairs outside the two ends of the connecting seat (1), and the two pairs of push sliders (15) are located between the two pairs of fixed tooth plates (6), and the contact surfaces between them and the two pairs of fixed tooth plates (6) are all trapezoidal. Multiple first push rollers (16) located inside the push sliders (15) are provided between the two pairs of push sliders (15) and the two pairs of fixed tooth plates (6). The fixed tooth plates (6) have a limit slot (17) inside, and the side of the inner end of the fixed tooth plate (6) away from the limit slot (17) is connected to a limit tooth plate (18).

6. The wear-resistant guide rail splicing device for a heavy-duty slide table as described in claim 5, characterized in that, The inner end of the limiting slot (17) is provided with a limiting plate (19) connected to the outer wall of the fixed tooth plate (6). The limiting slots (17) opened inside the pair of fixed tooth plates (6) on the same side, as well as the limiting tooth plates (18) and limiting plates (19) connected externally, are all arranged in a rotational symmetry of 180 degrees with respect to the limiting shaft (14). The two limiting tooth plates (18) arranged in a rotational symmetry are engaged with a synchronous tooth shaft (20) sleeved outside the limiting shaft (14) and inserted into the symmetrically arranged limiting slots (17) and limiting plates (19).

7. The wear-resistant guide rail splicing device for a heavy-duty slide table as described in claim 1, characterized in that, The anti-detachment component includes a telescopic groove (21). The outer end of the fixed toothed plate (6) is provided with a telescopic groove (21) and a toothed shaft groove (22). The telescopic groove (21) is located on the side of the toothed shaft groove (22) close to the connecting seat (1) and is connected to each other. The anti-detachment toothed plate (23) is slidably connected inside the telescopic groove (21).

8. The wear-resistant guide rail splicing device for a heavy-duty slide table as described in claim 7, characterized in that, The inner end of the anti-detachment tooth plate (23) is provided with a push wedge plate (24) that is slidably connected inside the telescopic groove (21), and the end of the push wedge plate (24) away from the connecting seat (1) is connected to a linkage tooth plate (25) located inside the tooth shaft groove (22), and a linkage tooth shaft (26) that meshes with the linkage tooth plate (25) is rotatably connected inside the tooth shaft groove (22).

9. The wear-resistant guide rail splicing device for a heavy-duty slide table as described in claim 8, characterized in that, The telescopic chute (21) has a sealing plate (27) bolted inside the opening on the side. The anti-loosening plate (23) and the pushing wedge plate (24) are set at an angle, and multiple second pushing rollers (28) are fixed inside the angled surface of the pushing wedge plate (24) by bolts.

10. A method for splicing wear-resistant guide rails for a heavy-duty slide table according to any one of claims 1-9, characterized in that, The steps are as follows: Step 1: Assembly. Assemble the connecting seat (1), mounting base (2) and positioning top seat (3) with bolts. Install the adjusting rack (5) and fixing plate (6) between the connecting seat (1) and mounting base (2) and positioning top seat (3). Install the adjusting component between the two adjusting racks (5) and install the anti-detachment component inside the fixing plate (6). Step 2: Assemble the connecting seat (1) between the two rail sections and insert the adjusting racks (5) and fixing plates (6) at both ends of the connecting seat (1) into the two rail sections. Step 3: Tightening. The two adjusting racks (5) are adjusted in position by adjusting the adjusting components, and the two pairs of fixed tooth plates (6) are pushed outward by the two adjusting racks (5) so that the two pairs of fixed tooth plates (6) are fixed to the tracks at both ends, thereby completing the assembly.

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