Drag chain anti-warping device
By setting a sliding module and an anti-warping module on the fixed part of the drag chain, the curved section of the drag chain moving part is maintained, and the problem of warping of the drag chain during long strokes is solved, which extends the service life and reduces wear and abnormal noise.
Patent Information
- Application Number
- CN202420818075.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-04-18
AI Technical Summary
When the internal space of the drag chain is small and long strokes, especially when installed vertically, due to the large stroke, its own weight and the bending of the internal cables, the bend at the tail of the drag chain is prone to warping, resulting in severe wear of the drag chain and the sheet metal outside the equipment, shortening the service life and causing abnormal noise.
A drag chain anti-warping device is designed, including a drag chain fixing part and a moving part. By providing a sliding module and an anti-warping module on the drag chain fixing part, the anti-warping module is made to slide and penetrate into the drag chain moving part, and the bent section of the drag chain moving part is maintained to avoid warping.
It effectively avoids the warping problem at the bend of the tail of the drag chain, prevents wear of the drag chain and the sheet metal outside the equipment, extends the service life of the drag chain, and reduces abnormal noises in the equipment.
Smart Images
Figure CN222823657U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drag chain equipment, in particular to a drag chain anti-warping device. Background Art
[0002] With the increasing speed of industrial automation, drag chains are widely used in more and more automation equipment. Drag chains are suitable for use in reciprocating motion situations, and can play a role in pulling and protecting cables, oil pipes, air pipes, water pipes, etc. in the equipment. There are a large number of wiring and piping in automation equipment that need to be protected so that they can operate in a stable and safe working environment. Therefore, drag chains are widely used in technical fields such as machine tools and robotic arms.
[0003] When the drag chain is used in a small space inside the equipment and for a long stroke, especially when it is installed vertically, due to the large stroke of the drag chain, its own weight and the bending of the internal cables, the tail of the drag chain will warp when the drag chain is halfway through its stroke, that is, when the moving end and the fixed end are close. This will seriously wear the drag chain and the outer sheet metal of the equipment, shorten the service life of the drag chain, and cause abnormal noise in the equipment. Utility Model Content
[0004] The utility model aims to provide a device for preventing warping of a drag chain, which can avoid the problem of warping of the bending section, prevent serious wear of the drag chain and the outer sheet metal of the equipment, and extend the service life of the drag chain.
[0005] To achieve the above-mentioned purpose, the utility model provides a drag chain anti-warping device, which has a drag chain fixed part and a drag chain moving part, including: a protective baffle located at the drag chain fixed part; a sliding module arranged on the protective baffle, and the drag chain fixed part is located between the sliding module and the side wall of the protective baffle; an anti-warping module arranged on the sliding module, and the anti-warping module is slidably connected to the protective baffle through the sliding module; the drag chain moving part is inserted into the anti-warping module, and the anti-warping module is used to maintain the arc state of the bending section of the drag chain moving part.
[0006] Optionally, the anti-warping module includes a fixed base, a first rotating assembly, a second rotating assembly and a third rotating assembly; the first rotating assembly, the second rotating assembly and the third rotating assembly are all arranged on the fixed base, the fixed base is connected to the sliding module, the first rotating assembly is located on the inner arc side of the bending section, and the second rotating assembly and the third rotating assembly are respectively located on the outer arc side of the bending section.
[0007] Optionally, the first rotating assembly includes a first wheel assembly and a first fixed frame, the first fixed frame is installed on the fixed base, one end of the first wheel assembly is connected to the fixed base, and the other end of the first wheel assembly is connected to the first fixed frame; the second rotating assembly includes a second wheel assembly and a second fixed frame, the second fixed frame is installed on the fixed base, one end of the second wheel assembly is connected to the fixed base, and the other end of the second wheel assembly is connected to the second fixed frame; the third rotating assembly includes a third wheel assembly and a third fixed frame, the third fixed frame is installed on the fixed base, one end of the third wheel assembly is connected to the fixed base, and the other end of the third wheel assembly is connected to the third fixed frame.
[0008] Optionally, the first wheel assembly includes a first wheel axle and a first roller, the first wheel axle is inserted into the first roller, and one end of the first wheel axle is connected to the fixed base, and the other end of the first wheel axle is connected to the first fixed frame; the second wheel assembly includes a second wheel axle and a second roller, the second wheel axle is inserted into the second roller, and one end of the second wheel axle is connected to the fixed base, and the other end of the second wheel axle is connected to the second fixed frame; the third wheel assembly includes a third wheel axle and a third roller, the third wheel axle is inserted into the third roller, and one end of the third wheel axle is connected to the fixed base, and the other end of the third wheel axle is connected to the third fixed frame.
[0009] Optionally, the first wheel assembly also includes a first retaining spring; the first retaining spring is sleeved on the first wheel axle and affixed to one end of the first roller; the second wheel assembly also includes a second retaining spring; the second retaining spring is sleeved on the second wheel axle and affixed to one end of the second roller; the third wheel assembly also includes a third retaining spring; the third retaining spring is sleeved on the third wheel axle and affixed to one end of the third roller.
[0010] Optionally, the first roller, the second roller and the third roller are made of wear-resistant material and / or the surfaces of the first roller, the second roller and the third roller are coated with a wear-resistant coating.
[0011] Optionally, a plurality of adjustment holes arranged in sequence are respectively provided on one end of the first fixing frame, one end of the second fixing frame and one end of the third fixing frame, and one end of the first axle, one end of the second axle and one end of the third axle are respectively connected to the first fixing frame, the second fixing frame and the third fixing frame through the adjustment holes.
[0012] Optionally, a first waist-shaped hole, a second waist-shaped hole and a third waist-shaped hole are formed on the fixed base, the first rotating assembly is installed on the first waist-shaped hole, the second rotating assembly is installed on the second waist-shaped hole, and the third rotating assembly is installed on the third waist-shaped hole.
[0013] Optionally, the fixed base is further provided with a plurality of through holes, and the fixed base is connected to the sliding module via the plurality of through holes.
[0014] Optionally, the sliding module includes a sliding rail, a slider and an adapter, the sliding rail is fixedly connected to the protective baffle and extends along the length direction of the protective baffle, the drag chain fixing part is located between the sliding rail and the side wall of the protective baffle, the slider is slidingly connected to the sliding rail, the adapter is connected to the slider, and the fixed base is connected to the adapter.
[0015] The present application provides an anti-warping device for a drag chain, which arranges a sliding module on the fixed part of the drag chain so that the fixed part of the drag chain is located between the sliding module and the side wall of the protective baffle, and further arranges an anti-warping module on the sliding module so that the anti-warping module slides, and the moving part of the drag chain is inserted into the anti-warping module so that the anti-warping module can maintain the arc state of the bending section of the moving part of the drag chain, avoid the problem of warping of the bending section, prevent serious wear of the drag chain and the outer sheet metal of the equipment, and extend the service life of the drag chain. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solution of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 This is a schematic diagram of the structure of the anti-warping device of the drag chain of this application;
[0018] Figure 2 This is a schematic diagram of the coordination between the anti-warping module and the sliding module of this application;
[0019] Figure 3 This is a schematic diagram of the structure of the first rotating assembly of the present application;
[0020] Figure 4 This is a schematic diagram of the structure of the first round group of this application;
[0021] Figure 5 This is a schematic diagram of the structure of the second rotating assembly of the present application;
[0022] Figure 6This is a schematic diagram of the structure of the second wheel group of this application;
[0023] Figure 7 This is a schematic diagram of the structure of the third rotating assembly of the present application;
[0024] Figure 8 This is a schematic diagram of the structure of the third wheel group of this application.
[0025] Icons: 100- fixed part of the drag chain; 200- moving part of the drag chain; 300- protective baffle; 400- sliding module; 410- sliding rail; 420- slider; 430- adapter; 500- anti-warping module; 510- fixed base; 520- first rotating assembly; 521- first wheel assembly; 521a- first wheel axle; 521b- first roller; 521c- first retaining spring; 522- first fixed frame; 530- second rotating assembly; 531- second wheel assembly; 531a- second wheel axle; 531b- second roller; 531c- second retaining spring; 532- second fixed frame; 540- third rotating assembly; 541- third wheel assembly; 541a- third wheel axle; 541b- third roller; 541c- third retaining spring; 542- third fixed frame.
[0026] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme in the embodiment of the present application will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0028] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the utility model application are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0029] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0030] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.
[0031] When the drag chain is used in a small space inside the equipment and has a long travel, especially when it is installed vertically, due to the large travel of the drag chain, its own weight and the bending of the internal cables, the tail bend of the drag chain will bend when the drag chain is halfway through its travel, that is, when the moving end and the fixed end are close. This will seriously wear the drag chain and the outer sheet metal of the equipment, shorten the service life of the drag chain, and cause abnormal noise in the equipment. In view of the above problems, the embodiments of the present application provide the following technical solutions to overcome the above problems.
[0032] Please refer to Figure 1 and Figure 2 The embodiment of the present application provides a drag chain anti-warping device, which has a drag chain fixed part 100 and a drag chain movable part 200, including: a protective baffle 300 located at the drag chain fixed part 100; a sliding module 400 arranged on the protective baffle 300, and the drag chain fixed part 100 is located between the sliding module 400 and the side wall of the protective baffle 300; an anti-warping module 500 arranged on the sliding module 400, and the anti-warping module 500 is slidably connected to the protective baffle 300 through the sliding module 400; the drag chain movable part 200 is penetrated by the anti-warping module 500, and the anti-warping module 500 is used to maintain the arc state of the bending section of the drag chain movable part 200.
[0033] Specifically, the drag chain is used to protect the wiring and piping in the automation equipment so that the wiring and piping can operate in a stable and safe working environment. A protective baffle 300 is provided on one side of the fixed part 100 of the drag chain. The protective baffle 300 is used to protect the fixed part 100 of the drag chain. A sliding module 400 is further provided on the protective baffle 300 so that the fixed part 100 of the drag chain is located between the sides of the sliding module 400 and the protective baffle 300. An anti-warping module 500 is provided on the sliding module 400, and the moving part 200 of the drag chain passes through the anti-warping module 500 so that the anti-warping module 500 maintains the arc state of the bending section of the moving part 200 of the drag chain. During the working movement of the drag chain, the anti-warping module 500 can slide on the sliding module 400 and move synchronously with the drag chain.
[0034] The anti-warping device for the drag chain provided in the present application is characterized in that a sliding module 400 is arranged on the fixed part 100 of the drag chain so that the fixed part 100 of the drag chain is located between the side wall of the sliding module 400 and the protective baffle 300, and an anti-warping module 500 is further arranged on the sliding module 400 so that the anti-warping module 500 can slide, and the moving part of the drag chain is inserted into the anti-warping module 500 so that the anti-warping module 500 can maintain the arc state of the bending section of the moving part 200 of the drag chain, avoid the problem of warping of the bending section, prevent serious wear of the drag chain and the outer sheet metal of the equipment, and extend the service life of the drag chain.
[0035] In an embodiment of the present application, the anti-warping module 500 includes a fixed base 510, a first rotating assembly 520, a second rotating assembly 530 and a third rotating assembly 540; the first rotating assembly 520, the second rotating assembly 530 and the third rotating assembly 540 are all arranged on the fixed base 510, the fixed base 510 is connected to the sliding module 400, the first rotating assembly 520 is located on the inner arc side of the bending section, and the second rotating assembly 530 and the third rotating assembly 540 are respectively located on the outer arc side of the bending section.
[0036] Specifically, the fixed base 510 is connected to the sliding module 400, the first rotating assembly 520, the second rotating assembly 530 and the third rotating assembly 540 are respectively installed on the fixed base 510, and the first rotating assembly 520 is located on the inner arc side of the bending section of the drag chain moving part 200, and the second rotating assembly 530 and the third rotating assembly 540 are located on the outer arc side of the bending section of the drag chain moving part 200, wherein the first rotating assembly 520 and the second rotating assembly 530 and the third rotating assembly 540 move the drag chain The part 200 is clamped and fixed so that the bending section held by the drag chain moving part 200 remains in an arc state, thereby preventing the bending section from warping during the movement of the drag chain moving part 200, and the fixed base 510 is connected to the sliding module 400 so that the first rotating component 520, the second rotating component 530 and the third rotating component 540 can slide synchronously with the drag chain moving part 200, thereby ensuring that the anti-warping module 500 can still maintain the arc state of the bending section during the movement of the drag chain moving part 200.
[0037] Please refer to Figure 3-Figure 8In an embodiment of the present application, the first rotating assembly 520 includes a first wheel assembly 521 and a first fixed frame 522, the first fixed frame 522 is installed on the fixed base 510, one end of the first wheel assembly 521 is connected to the fixed base 510, and the other end of the first wheel assembly 521 is connected to the first fixed frame 522; the second rotating assembly 530 includes a second wheel assembly 531 and a second fixed frame 532, the second fixed frame 532 is installed on the fixed base 510, one end of the second wheel assembly 531 is connected to the fixed base 510, and the other end of the second wheel assembly 531 is connected to the second fixed frame 532; the third rotating assembly 540 includes a third wheel assembly 541 and a third fixed frame 542, the third fixed frame 542 is installed on the fixed base 510, one end of the third wheel assembly 541 is connected to the fixed base 510, and the other end of the third wheel assembly 541 is connected to the third fixed frame 542. Further, the first wheel assembly 521 includes a first wheel axle 521a and a first roller 521b, the first wheel axle 521a is inserted into the first roller 521b, and one end of the first wheel axle 521a is connected to the fixed base 510, and the other end of the first wheel axle 521a is connected to the first fixed frame 522; the second wheel assembly 531 includes a second wheel axle 531a and a second roller 531b, the second wheel axle 531a is inserted into the second roller 531b, and one end of the second wheel axle 531a is connected to the fixed base 510, and the other end of the second wheel axle 531a is connected to the second fixed frame 532; the third wheel assembly 541 includes a third wheel axle 541a and a third roller 541b, the third wheel axle 541a is inserted into the third roller 541b, and one end of the third wheel axle 541a is connected to the fixed base 510, and the other end of the third wheel axle 541a is connected to the third fixed frame 542.
[0038] Specifically, the first fixing frame 522 is mounted on the fixing base 510, one end of the first wheel assembly 521 is rotatably connected to the fixing base 510, and the other end of the first wheel assembly 521 is rotatably connected to the first fixing frame 522. Similarly, the second wheel assembly 531, the second fixing frame 532, the third wheel assembly 541 and the third fixing frame 542 adopt the same arrangement. Further, one end of the first wheel shaft 521a of the first wheel assembly 521 is connected to the first fixing frame 522, and the other end of the first wheel shaft 521a is connected to the fixing base 510. The first wheel shaft 521a is sleeved in the first roller 521b so that the first roller 521b can rotate with the first wheel shaft 521a as the rotation axis. The arrangement of the second wheel shaft 531a, the second roller 531b, the third wheel shaft 541a and the third roller 541b is the same as that of the first wheel shaft 521a and the first roller 521b, and no specific description is given here.
[0039] When the drag chain moving part 200 moves, the first roller 521b on the first wheel assembly 521, the second roller 531b on the second wheel assembly 531 and the third roller 541b on the third wheel assembly 541 can rotate relative to the bending section, reducing the friction between the anti-warping module 500 and the drag chain and extending the service life of the drag chain.
[0040] In an embodiment of the present application, the first wheel assembly 521 also includes a first retaining spring 521c; the first retaining spring 521c is sleeved on the first wheel axle 521a and is attached to one end of the first roller 521b; the second wheel assembly 531 also includes a second retaining spring 531c; the second retaining spring 531c is sleeved on the second wheel axle 531a and is attached to one end of the second roller 531b; the third wheel assembly 541 also includes a third retaining spring 541c; the third retaining spring 541c is sleeved on the third wheel axle 541a and is attached to one end of the third roller 541b.
[0041] Specifically, after the first wheel shaft 521a is inserted into the first roller 521b, the first clamping spring 521c is sleeved on the first wheel shaft 521a, and the first clamping spring 521c is attached to one end of the first roller 521b to limit the roller. The second clamping spring 531c and the third clamping spring 541c are arranged in the same manner as the first clamping spring 521c, and are not described in detail here.
[0042] The first clamping spring 521c, the second clamping spring 531c and the third clamping spring 541c adopt the above-mentioned setting form, which can limit the first roller 521b, the second roller 531b and the third roller 541b, and prevent the first roller 521b, the second roller 531b and the third roller 541b from slipping in the axial direction.
[0043] In an embodiment of the present application, the first roller 521b, the second roller 531b and the third roller 541b are made of wear-resistant material and / or the surfaces of the first roller 521b, the second roller 531b and the third roller 541b are coated with a wear-resistant coating.
[0044] Specifically, the first roller 521b, the second roller 531b, and the third roller 541b are made of wear-resistant materials to prevent the anti-warping module 500 from being damaged by friction with the drag chain moving part 200, so as to extend the service life of the anti-warping device. Alternatively, a layer of wear-resistant paint is applied on the surface of the first roller 521b, the second roller 531b, and the third roller 541b to extend the service life of the anti-warping device. Alternatively, the first roller 521b, the second roller 531b, and the third roller 541b are made of wear-resistant materials, and a layer of wear-resistant paint is applied on the surface of the first roller 521b, the second roller 531b, and the third roller 541b, further increasing the durability of the anti-warping device and extending the service life of the anti-warping device.
[0045] In the embodiment of the present application, a plurality of sequentially arranged adjustment holes are respectively provided on one end of the first fixing frame 522, one end of the second fixing frame 532 and one end of the third fixing frame 542, and one end of the first wheel axle 521a, one end of the second wheel axle 531a and one end of the third wheel axle 541a are respectively connected to the first fixing frame 522, the second fixing frame 532 and the third fixing frame 542 through the adjustment holes. Further, the fixed base 510 is provided with a first waist-shaped hole, a second waist-shaped hole and a third waist-shaped hole, the first rotating assembly 520 is mounted on the first waist-shaped hole, the second rotating assembly 530 is mounted on the second waist-shaped hole, and the third rotating assembly 540 is mounted on the third waist-shaped hole.
[0046] Specifically, a plurality of adjustment holes arranged in sequence are respectively provided on one end of the first fixed frame 522, one end of the second fixed frame 532 and one end of the third fixed frame 542, one end of the first wheel axle 521a, one end of the second wheel axle 531a and one end of the third wheel axle 541a are respectively connected to the first fixed frame 522, the second fixed frame 532 and the third fixed frame 542 through the adjustment holes. When facing different models and sizes of drag chain moving parts 200, one end of the first wheel axle 521a, one end of the second wheel axle 531a and one end of the third wheel axle 541a are adjusted to connect with different adjustment holes to make the anti-warping module 500 compatible with the drag chain moving part 200.
[0047] Further, the fixed base 510 is provided with a first waist-shaped hole, a second waist-shaped hole and a third waist-shaped hole, the extension direction of the first waist-shaped hole is consistent with the length direction of the protective baffle 300, the extension direction of the second waist-shaped hole is parallel to the extension direction of the third waist-shaped hole, and both are perpendicular to the extension direction of the first waist-shaped hole, wherein the first waist-shaped hole is used to install the first rotating assembly 520, the second waist-shaped hole is used to install the second rotating assembly 530, and the third waist-shaped hole is used to install the third rotating assembly 540, and by adjusting the installation positions of the first rotating assembly 520, the second rotating assembly 530 and the third rotating assembly 540 on the first waist-shaped hole, the second waist-shaped hole and the third waist-shaped hole, the anti-warping module 500 can be adapted to pass through its own drag chain moving part 200. The above-mentioned setting form is adopted to expand the scope of use of the anti-warping device and enhance the practicality of the anti-warping device.
[0048] In the embodiment of the present application, a plurality of through holes are further provided on the fixed base 510 , and the fixed base 510 is connected to the sliding module 400 through the plurality of through holes.
[0049] Specifically, a plurality of through holes are provided on the fixed base 510 , and fasteners are used to pass through the through holes to be detachably connected to the sliding module 400 , so that when the anti-warping device is damaged, it is convenient to replace it.
[0050] In an embodiment of the present application, the sliding module 400 includes a slide rail 410, a slider 420 and an adapter 430. The slide rail 410 is fixedly connected to the protective baffle 300 and extends along the length direction of the protective baffle 300. The drag chain fixing portion 100 is located between the slide rail 410 and the side wall of the protective baffle 300. The slider 420 is slidably connected to the slide rail 410. The adapter 430 is connected to the slider 420. The fixed base 510 is connected to the adapter 430.
[0051] Specifically, the slide rail 410 is fixedly installed on the protective baffle 300 along the length direction of the protective baffle 300, the slider 420 is slidably connected to the slide rail 410, and the fixed base 510 is installed on the slider 420. It should be noted that the slide rail 410 and the slider 420 have relatively high working precision, small static friction resistance, smooth movement, reduced impact and vibration, and easy installation. The guide rail and the slider 420 are interchangeable and easy to replace.
[0052] The above is only a specific implementation of the embodiment of the present application, but the protection scope of the embodiment of the present application is not limited thereto, and any changes or replacements within the technical scope disclosed in the embodiment of the present application should be included in the protection scope of the embodiment of the present application. Therefore, the protection scope of the embodiment of the present application should be based on the protection scope of the claims.
Claims
1. A drag chain anti-warping device, comprising a drag chain fixed part and a drag chain moving part, characterized in that: include: A protective baffle located at the fixed portion of the drag chain; A sliding module is arranged on the protective baffle, and the drag chain fixing portion is located between the sliding module and the side wall of the protective baffle; An anti-warping module is arranged on the sliding module, and the anti-warping module is slidably connected with the protective baffle through the sliding module; The moving part of the drag chain is inserted into the anti-warping module, and the anti-warping module is used to maintain the arc state of the bending section of the moving part of the drag chain.
2. The drag chain anti-warping device according to claim 1, characterized in that: The anti-warping module includes a fixed base, a first rotating assembly, a second rotating assembly and a third rotating assembly; The first rotating assembly, the second rotating assembly and the third rotating assembly are all arranged on the fixed base, the fixed base is connected to the sliding module, the first rotating assembly is located on the inner arc side of the bending section, and the second rotating assembly and the third rotating assembly are respectively located on the outer arc side of the bending section.
3. The drag chain anti-warping device according to claim 2, characterized in that: The first rotating assembly includes a first wheel assembly and a first fixing frame, the first fixing frame is mounted on the fixing base, one end of the first wheel assembly is connected to the fixing base, and the other end of the first wheel assembly is connected to the first fixing frame; The second rotating assembly includes a second wheel assembly and a second fixing frame, the second fixing frame is mounted on the fixing base, one end of the second wheel assembly is connected to the fixing base, and the other end of the second wheel assembly is connected to the second fixing frame; The third rotating assembly includes a third wheel assembly and a third fixing frame, wherein the third fixing frame is mounted on the fixing base, one end of the third wheel assembly is connected to the fixing base, and the other end of the third wheel assembly is connected to the third fixing frame.
4. The drag chain anti-warping device according to claim 3, characterized in that: The first wheel assembly includes a first wheel axle and a first roller, the first wheel axle is inserted into the first roller, one end of the first wheel axle is connected to the fixed base, and the other end of the first wheel axle is connected to the first fixed frame; The second wheel assembly includes a second wheel axle and a second roller, the second wheel axle is inserted into the second roller, one end of the second wheel axle is connected to the fixed base, and the other end of the second wheel axle is connected to the second fixed frame; The third wheel assembly includes a third wheel axle and a third roller. The third wheel axle is inserted into the third roller, and one end of the third wheel axle is connected to the fixed base, and the other end of the third wheel axle is connected to the third fixed frame.
5. The drag chain anti-warping device according to claim 4, characterized in that: The first wheel assembly further includes a first retaining spring; the first retaining spring is sleeved on the first wheel axle and is attached to one end of the first roller; The second wheel assembly further includes a second retaining spring; the second retaining spring is sleeved on the second wheel axle and is attached to one end of the second roller; The third wheel assembly also includes a third retaining spring; the third retaining spring is sleeved on the third wheel axle and is attached to one end of the third roller.
6. The drag chain anti-warping device according to claim 4 or 5, characterized in that: The material of the first roller, the second roller and the third roller is wear-resistant material and / or the surfaces of the first roller, the second roller and the third roller are coated with a wear-resistant coating.
7. The drag chain anti-warping device according to claim 4, characterized in that: A plurality of adjustment holes arranged in sequence are respectively provided on one end of the first fixing frame, one end of the second fixing frame and one end of the third fixing frame, and one end of the first wheel axle, one end of the second wheel axle and one end of the third wheel axle are respectively connected to the first fixing frame, the second fixing frame and the third fixing frame through the adjustment holes.
8. The drag chain anti-warping device according to claim 2, characterized in that: The fixed base is provided with a first waist-shaped hole, a second waist-shaped hole and a third waist-shaped hole, the first rotating assembly is installed on the first waist-shaped hole, the second rotating assembly is installed on the second waist-shaped hole, and the third rotating assembly is installed on the third waist-shaped hole.
9. The drag chain anti-warping device according to claim 8, characterized in that: The fixed base is also provided with a plurality of through holes, and the fixed base is connected to the sliding module through the plurality of through holes.
10. The drag chain anti-warping device according to claim 9, characterized in that: The sliding module includes a sliding rail, a slider and an adapter. The sliding rail is fixedly connected to the protective baffle and extends along the length direction of the protective baffle. The drag chain fixing part is located between the sliding rail and the side wall of the protective baffle. The slider is slidably connected to the sliding rail, the adapter is connected to the slider, and the fixed base is connected to the adapter.