CN107061629B - Three-dimensional tow chain destressing connects - Google Patents
Three-dimensional tow chain destressing connects Download PDFInfo
- Publication number
- CN107061629B CN107061629B CN201710383011.6A CN201710383011A CN107061629B CN 107061629 B CN107061629 B CN 107061629B CN 201710383011 A CN201710383011 A CN 201710383011A CN 107061629 B CN107061629 B CN 107061629B
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- Prior art keywords
- drag chain
- joint
- destressing
- clamping part
- clamping
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- 230000007246 mechanism Effects 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a three-dimensional drag chain destressing joint, which belongs to the field of robots and comprises a clamping part and a plugging part which can be mutually connected and separated, wherein the clamping part and the plugging part are connected in a matching way to form an annular structure and are sleeved on a drag chain link; the clamping part and/or the inserting part are/is provided with a connecting part connected with the outside; the inner walls of the clamping part and the inserting part are provided with chambers for accommodating the drag chain joint guide rings; the clamping part and the inserting part are also provided with a bundling part for bundling the cables. Due to the adoption of the arrangement, the three-dimensional drag chain is externally connected with a buckle which can be fixed in the annular cavity and then can form limit setting with the destressing joint. The technical problem that a drag chain is easy to fall off during a return stroke after axially sliding along a stress relief joint in the prior art is solved. The destressing joint is provided with the connecting part connected with the outside, so that the inconvenience that the destressing joint in the prior art is used together with the joint flange is solved, and the application range is enlarged.
Description
Technical Field
The invention belongs to the field of robots, and particularly relates to a three-dimensional drag chain destressing joint.
Background
The drag chain is generally applied to cables, oil pipes, air pipes, water pipes and air pipes of machine tools and the like to play roles in traction and protection. The use of drag chains originated in germany at the earliest, and later introduced and innovated in China, the drag chains at present are widely used on machine tools, cables and the like are protected, and the whole machine tools are more attractive in appearance.
At present, a drag chain, a rectangular metal hose, a protective sleeve, a corrugated pipe and a plastic-coated metal hose belong to cable protective products, and the existing drag chain is divided into a steel drag chain and a plastic drag chain. The steel drag chain is formed by combining steel and aluminum, and can be customized, and the plastic drag chain is also called an engineering drag chain and a tank chain; the existing drag chain structure is generally flat, and the applicability of the drag chain structure is poor for some special mechanical equipment, so that along with the application and development of the drag chain, the three-dimensional drag chain is applied to a plurality of mechanical equipment, the obtained good use effect is achieved, and the omnibearing protection effect on the cable is realized. In the use process of the three-dimensional drag chain, after the three-dimensional drag chain is bundled with the cable and the connector, a certain adjustment amount is needed to be arranged in the axial direction of the connector so as to achieve the purpose of protecting the cable of the robot from being pulled.
Although there are drag chain destressing joints such as CN205184810U in the prior art, the following disadvantages remain in the practical production use of the joints: 1. the destressing joint must be matched with a joint flange plate for use, and when facing certain complex conditions (such as too small working space of a mechanical arm and being unfavorable for installing a flange), the joint cannot be normally installed and a drag chain is protected; 2. the destressing joint cannot limit the axial movement of the drag chain, and under extreme conditions, when the drag chain axially slides along with the destressing joint, the drag chain and the joint easily fall off and relatively displace in a return stroke; 3. the connector cannot prevent the drag chain from rotating in the connector, and when the drag chain rotates, the inner cable is easily driven to wind and hang up, so that the cable is damaged and scrapped.
Disclosure of Invention
The invention provides a three-dimensional drag chain destressing joint which is sleeved outside a drag chain and is provided with a connecting part connected with the outside, thereby ensuring that the joint can be normally arranged on a robot and the drag chain can be protected even if the joint does not pass through a joint flange plate. And the limiting arrangement such as the cavity is added, so that the three-dimensional drag chain destressing connector cannot easily fall off or slide or rotate relative to the drag chain even if the drag chain encounters larger resistance, and the stability of the connection of the three-dimensional drag chain destressing connector and the drag chain is effectively improved.
The invention has the following scheme that the three-dimensional drag chain destressing joint comprises a clamping part and a plugging part which can be mutually connected and separated, wherein the clamping part and the plugging part are connected in a matching way to form an annular structure and are sleeved on the drag chain link; the inner walls of the clamping part and the inserting part are provided with chambers for accommodating the drag chain joint guide rings; the clamping part and/or the inserting part is also provided with a bundling part for bundling the cables.
Due to the technical scheme, the inner walls of the clamping part and the inserting part are provided with the cavity for accommodating the drag chain link guide ring, and after the drag chain installation buckle is externally connected to the drag chain link guide ring, the drag chain installation buckle and the drag chain link guide ring are also arranged in the cavity, so that the three-dimensional drag chain destressing joint and the drag chain are not easy to move relatively or fall off in the use process, and the safety of the cable inside the drag chain can be better protected.
Further, the bundling part is a stand column arranged on the side wall of the clamping part and/or the inserting part, the bundling part comprises a plurality of stand columns arranged on the side wall of the clamping part and/or the inserting part, a limiting part is further arranged on the stand column, and the limiting part limits the axial relative movement quantity of the cable and the stand column.
Further, the limiting component comprises a clamping hook arranged on the upright post, and the clamping hook limits the axial relative movement quantity of the cable and the upright post.
Due to the adoption of the technical scheme, the connection stability of the cable and the stress relief joint is ensured, the cable is not easy to fall off after being bundled, and the convenience and safety of use are optimized. And at the same time also has: when the proper flange size is selected to be combined with the invention, the invention still has the characteristic of certain axial slippage, and the joint flange is not influenced to be combined with the joint flange in the prior art. The interchangeability and the application range are effectively improved.
Furthermore, the clamping part and/or the inserting part is also provided with a connecting part connected with the outside.
By adopting the technical scheme, the invention can be independently connected with the outside through the connecting part, so that the technical problems that the joint cannot be normally installed and the drag chain is protected under certain conditions, such as too small working space of the mechanical arm, which is not beneficial to installing the flange, are solved.
Further, the connecting part is arranged in the middle of the clamping part or/and the inserting part; the connecting part is provided with a connecting hole which is a blind hole or a through hole penetrating through the clamping part or/and the inserting part; the destressing joint is connected with an external mechanism through a connecting piece in the connecting hole.
Further, an internal thread sleeve is arranged in the connecting hole; the outer wall of the internal thread sleeve is provided with anti-skid knurling; the connecting hole is a countersunk taper hole.
Due to the adoption of the technical scheme, the method for arranging the holes on the clamping part or/and the inserting part is realized by directly: firstly, redundant components can be reduced, and the structure is optimized; and secondly, the weight can be effectively reduced, and the materials are saved. The interchangeability and convenience of the internal thread sleeve are ensured by arranging the internal thread sleeve, and when the internal thread sleeve needs to be replaced and detached, the cost is reduced. The stability of the internal thread sleeve in the connecting hole is ensured by arranging the anti-skid knurls and the countersunk taper holes.
Further, the clamping part is connected with the plug part through a connecting mechanism; the connecting mechanism comprises a hook and a hanging shaft which are matched with each other, and a plug tongue and a plug port which are matched with each other; the hook and the hanging shaft are arranged at the same end of the clamping part corresponding to the inserting part, and the inserting tongue and the inserting port are arranged at the other end of the clamping part corresponding to the inserting part.
Further, the inserting tongue comprises an inserting plate, a stop block and a pressing plate; the plugboard extends out along the end part of the plugboard; the end part of the plugboard is fixedly connected with a pressing plate which is obliquely arranged, and a stop block is arranged on the pressing plate and close to the joint of the plugboard; the inserting plate and the pressing plate penetrate into the inserting port simultaneously, so that when the clamping part is connected with the inserting part, the stop block abuts against the inserting port to limit the clamping part to be separated from the inserting part.
Due to the adoption of the technical scheme, when the plug tongue is normally connected with the plug interface, the plug board which is arranged in a conical manner ensures easy assembly and certain guiding performance; after assembly, the stop block prevents the plugboard from being separated from the plug interface, so that the position of the three-dimensional drag chain destressing joint relative to the drag chain is further ensured to be unchanged; when the pressing plate is pressed, the pressing plate drives the stop block to do lever motion, so that the stop block is freely separated from the plug-in port in the horizontal direction, and the clamping parts are ensured to be freely separated from each other.
Further, the cavity is a concave accommodating cavity on the inner walls of the clamping part and the inserting part; the connection of the clamping part and the inserting part enables the chambers to be communicated with each other and form an annular groove, and the tow chain joint guide ring is arranged in the annular groove to limit the relative movement of the destressing joint and the tow chain on the axis.
Due to the technical scheme, the cavity is arranged for accommodating the drag chain link guide ring, and after the drag chain installation buckle is externally connected to the drag chain link guide ring, the drag chain installation buckle and the drag chain link guide ring are also arranged in the cavity, so that the three-dimensional drag chain destressing joint and the drag chain are not easy to move relatively or fall off in the use process, and the safety of the cable inside the drag chain can be better protected.
Further, a plurality of anti-rotation mechanisms are arranged in the cavity; when the drag chain link guide ring is arranged in the cavity, the limiting buckle arranged on the drag chain link is mutually matched with the anti-rotation mechanism to limit the rotation angle of the drag chain link relative to the destressing joint.
Further, the anti-rotation mechanism is an anti-rotation partition plate, and the anti-rotation partition plate is arranged in the cavity; the anti-rotation mechanism is provided with 2 groups which are symmetrically arranged on the clamping part and the inserting part respectively.
Due to the adoption of the technical scheme, the rotation of the drag chain in the joint is controlled by the anti-rotation mechanism, so that the drag chain is prevented from being excessively twisted and bent due to large-angle torsion, and the service life and the application range of the cable are further ensured.
In summary, the technical means are adopted, so that the beneficial effects of the invention are as follows:
1. simple structure, easy manufacture and suitability for mass popularization.
2. The destressing joint can be used independently, and the technical problem that the joint in the prior art is matched with a flange plate for use is solved.
3. The destressing joint limits the axial movement of the drag chain, and effectively ensures that the drag chain is not easy to fall off from the joint and relatively move.
4. The destressing joint can prevent the drag chain from rotating in the drag chain, so that the internal cable is not easy to wind and hang and twist when the drag chain rotates, and the service life of the cable is effectively prolonged.
Drawings
FIG. 1 is a schematic illustration of the present invention;
fig. 2 is a schematic view of the connection of the clamping portion and the plugging portion through a connection mechanism (not shown in the bundling portion);
FIG. 3 is a schematic view of a connection;
FIG. 4 is a schematic illustration of an embodiment of an insert tongue;
FIG. 5 is a schematic view of a strapping and column arrangement;
FIG. 6 is a schematic view of the connection between the chamber and the limiting buckle;
FIG. 7 is a schematic illustration of the invention as applied to a three-dimensional tow chain assembly;
FIG. 8 is a schematic view of an anti-rotation baffle arrangement;
the marks in the figure: 1. a clamping part; 2. a plug-in part; 3. a hook; 4. hanging shaft; 5. inserting a tongue; 6. an interface; 7. an anti-rotation baffle; 8. a connection hole; 9. an internal thread sleeve; 10. a tow chain joint guide ring; 11. a column; 12. limiting buckle; 101. a chamber; 51. inserting plate; 52. a stop block; 53. pressing the plate.
Detailed Description
For further understanding of the invention, its features and advantages, the following examples are set forth to illustrate the structure of the invention in detail in connection with fig. 1-8.
Example 1: as shown in fig. 1 to 8, a three-dimensional drag chain destressing joint comprises a clamping part 1 and a plug part 2 which can be connected and separated with each other, wherein the clamping part 1 and the plug part (2) are connected in a matching way to form an annular structure and are sleeved on a drag chain link. The clamping part 1 is connected with the plug-in part 2 through a connecting mechanism; the connecting mechanism comprises a hook 3 and a hanging shaft 4 which are matched with each other, and a plug tongue 5 and a plug port 6 which are matched with each other; the hook 3 and the hanging shaft 4 are arranged at the same end of the clamping part 1 corresponding to the inserting part 2, and the inserting tongue 5 and the inserting port 6 are arranged at the other end of the clamping part 1 corresponding to the inserting part 2. The insert tongue 5 includes an insert plate 51, a stopper 52, and a pressing plate 53; the plug board 51 extends out along the plug tongue end; a pressing plate 53 which is obliquely arranged is fixedly connected to the end part of the plugboard 51, and a stop block 52 is arranged on the pressing plate 53 near the connection part with the plugboard 51; the insertion plate 51 and the pressing plate 53 simultaneously penetrate into the insertion port 6, and when the clamping portion 1 is connected with the insertion portion 2, the stopper 52 abuts against the insertion port 4 to limit the separation of the clamping portion 1 from the insertion portion 2.
The clamping part 1 and/or the inserting part 2 are/is also provided with a connecting part connected with the outside, and the connecting part is arranged in the middle of the clamping part 1 and/or the inserting part 2; the connecting part is provided with a connecting hole 8 which is a blind hole or a through hole penetrating through the clamping part 1 or/and the inserting part 2; the stress relief joint is connected to an external mechanism by means of a connection in the connection hole 8. An internal thread sleeve 9 is arranged in the connecting hole 8; the outer wall of the internal thread sleeve 9 is provided with anti-skid knurling; the connecting hole 8 is a countersunk taper hole.
The inner walls of the clamping part 1 and the inserting part 2 are provided with a cavity 101 for accommodating a drag chain link guide ring; the cavity 101 is provided with concave accommodating cavities on the inner walls of the clamping part 1 and the inserting part 2; the connection of the clamping part 1 and the inserting part 2 enables the chambers 101 to be mutually communicated and form an annular groove, and the towing link guide ring is arranged in the annular groove to limit the relative movement of the destressing joint and the towing link on the axis.
The clamping part 1 and the inserting part 2 are also provided with a bundling part for bundling cables; the bundling part is a stand column 11 arranged on the side wall of the clamping part 1 and/or the inserting part 2, a clamping hook is arranged on the stand column 11, and the clamping hook limits the axial relative movement quantity of the cable and the stand column 11.
As shown in fig. 6 to 7, in a preferred connection mode of the invention with the three-dimensional drag chain, a plurality of anti-rotation mechanisms are arranged in the cavity (101); when the drag chain link guide ring 10 is arranged in the cavity 101, the drag chain link is provided with a limiting buckle 12, the anti-rotation mechanism is provided with 2 groups of anti-rotation partition plates 7, and the anti-rotation partition plates are symmetrically arranged in the cavity 101 of the clamping part 1 and the splicing part 2 respectively. When the anti-rotation partition plate 7 and the limiting buckle 12 jointly act, the limiting buckle 12 is guaranteed to rotate only in the interval formed by the anti-rotation partition plate 7, and therefore the rotation angle of the drag chain joint relative to the destressing joint is limited.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. A three-dimensional tow chain destressing joint, characterized in that: the drag chain comprises a clamping part (1) and a plug part (2) which can be mutually connected and separated, wherein the clamping part (1) and the plug part (2) are connected in a matching way to form an annular structure and are sleeved at the end part of the drag chain; the inner walls of the clamping part (1) and the inserting part (2) are provided with a cavity (101) for accommodating a drag chain link guide ring; the cable bundling device is characterized in that bundling parts for bundling cables are further arranged on the clamping part (1) and the inserting part (2), each bundling part comprises a plurality of upright posts (11) arranged on the side wall of the clamping part (1) and/or the inserting part (2), the upright posts are uniformly distributed in the circumferential direction of the annular structure, and a plurality of anti-rotation mechanisms are arranged in the cavity (101); when the drag chain link guide ring (10) is arranged in the cavity (101), a limit buckle (12) arranged on the drag chain link is matched with the anti-rotation mechanism to limit the rotation angle of the drag chain link relative to the destressing joint, and the cavity (101) comprises a concave accommodating cavity arranged on the inner walls of the clamping part (1) and the inserting part (2); the connection of the clamping part (1) and the inserting part (2) enables the chambers (101) to be communicated with each other and form an annular groove, and the tow chain joint guide ring is arranged in the annular groove to limit the relative movement of the destressing joint and the tow chain on the axis.
2. A three-dimensional drag chain destressing joint according to claim 1, wherein: and the stand column (11) is also provided with a limiting part, and the limiting part limits the axial relative movement quantity of the cable and the stand column (11).
3. A three-dimensional drag chain destressing joint according to claim 2, wherein: the limiting component comprises a clamping hook arranged on the upright post (11), and the clamping hook limits the axial relative movement amount of the cable and the upright post (11).
4. A three-dimensional drag chain destressing joint according to claim 1, wherein: the clamping part (1) and/or the inserting part (2) are/is also provided with a connecting part connected with the outside; the connecting part is arranged in the middle of the clamping part (1) or/and the inserting part (2); the connecting part is provided with a connecting hole (8), and the connecting hole is a blind hole or a through hole penetrating through the clamping part (1) or/and the inserting part (2); the stress relief joint is connected with an external mechanism through a connecting hole (8).
5. The three-dimensional drag chain destressing joint according to claim 4, wherein: an internal thread sleeve (9) is arranged in the connecting hole (8); the outer wall of the internal thread sleeve (9) is provided with anti-skid knurling; the connecting hole (8) is a countersunk taper hole.
6. A three-dimensional drag chain destressing joint according to any one of claims 1 to 5, wherein: the clamping part (1) is connected with the inserting part (2) through a connecting mechanism; the connecting mechanism comprises a hook (3) and a hanging shaft (4) which are matched with each other, and a plug tongue (5) and a plug interface (6) which are matched with each other; the hook (3) and the hanging shaft (4) are arranged at the same end of the clamping part (1) corresponding to the inserting part (2), and the inserting tongue (5) and the inserting port (6) are arranged at the other end of the clamping part (1) corresponding to the inserting part (2).
7. The three-dimensional drag chain destressing joint according to claim 6, wherein: the inserting tongue (5) comprises an inserting plate (51), a stop block (52) and a pressing plate (53); the plugboard (51) extends out along the end part of the plugboard tongue; a pressing plate (53) which is obliquely arranged is fixedly connected to the end part of the plugboard (51), and a stop block (52) is arranged on the pressing plate (53) close to the joint of the plugboard (51); the inserting plate (51) and the pressing plate (53) penetrate into the inserting port (6) at the same time, so that when the clamping part (1) is connected with the inserting part (2), the stop block (52) abuts against the inserting port (6) to limit the clamping part (1) to be separated from the inserting part (2).
8. A three-dimensional drag chain destressing joint according to claim 1, wherein: the anti-rotation mechanism is an anti-rotation partition board (7), and the anti-rotation partition board (7) is arranged in the cavity (101); the anti-rotation mechanism is provided with 2 groups which are symmetrically arranged on the clamping part (1) and the inserting part (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383011.6A CN107061629B (en) | 2017-05-26 | 2017-05-26 | Three-dimensional tow chain destressing connects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383011.6A CN107061629B (en) | 2017-05-26 | 2017-05-26 | Three-dimensional tow chain destressing connects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107061629A CN107061629A (en) | 2017-08-18 |
| CN107061629B true CN107061629B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710383011.6A Active CN107061629B (en) | 2017-05-26 | 2017-05-26 | Three-dimensional tow chain destressing connects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061629B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109125850B (en) * | 2018-06-29 | 2024-02-27 | 首都医科大学附属北京世纪坛医院 | Medical peristaltic pump tube |
| CN113036708A (en) * | 2021-03-16 | 2021-06-25 | 株洲时代新材料科技股份有限公司 | Cable anti-twisting protection device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107061629A (en) | 2017-08-18 |
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Effective date of registration: 20210121 Address after: No. 50, Huancheng North Road, Fengxian District, Shanghai 201401 Applicant after: Igus (Shanghai) towline System Co.,Ltd. Address before: 621000 area B, 2nd floor, building 1, 38 Dongjin Road, Youxian District, Mianyang City, Sichuan Province Applicant before: MIANYANG LUNQI ROBOT Co.,Ltd. |
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