CN109941864B - Compensation chain and elevator - Google Patents
Compensation chain and elevator Download PDFInfo
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- CN109941864B CN109941864B CN201910309383.3A CN201910309383A CN109941864B CN 109941864 B CN109941864 B CN 109941864B CN 201910309383 A CN201910309383 A CN 201910309383A CN 109941864 B CN109941864 B CN 109941864B
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- 230000002441 reversible effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The application discloses compensation chain and elevator, including a plurality of first chain links and a plurality of second chain links, first chain link and second chain link interval connection, first chain link is provided with both ends open-ended cavity, first chain link is connected with the connecting rod, the connecting rod passes the cavity, the one end rotation of connecting rod is connected with first connecting piece, the other end rotation of connecting rod is connected with the second connecting piece, first connecting piece and second connecting piece are all along the circumferential direction of first chain link, first chain link is located between first connecting piece and the second connecting piece, the connecting rod has cup jointed the double torsion spring, avoid the compensation chain to lead to the fact the damage of compensation chain owing to excessive torsion, the comfort and the security of taking the elevator have been improved.
Description
Technical Field
The present invention relates generally to the field of elevators, and more particularly to a compensation chain and an elevator.
Background
When the hoisting height of the car elevator exceeds 30 meters, a compensation chain is needed. Because the elevator is on the top layer, the steel wire rope is on the counterweight side, and the weight of the steel wire rope is increased on the counterweight side; when the elevator is at the bottom layer, the steel wire rope is at the car side, and the weight of the steel wire rope is increased at the car side. Because the steel wire rope has weight, dynamic unbalance can be generated along with the continuous up-and-down movement of the elevator, the fall of the part can be balanced by adopting the compensation chain to compensate the weight of the steel wire rope, so that the elevator can stably run.
The existing compensation chain can rotate randomly between the chain links, can also move randomly in the longitudinal direction, the free bending radius is difficult to control, and in the running process of the elevator, the compensation chain is easy to swing or even twist, so that the comfort of the elevator is affected, and other parts of the elevator can be damaged.
Disclosure of Invention
In view of the above-described drawbacks or shortcomings of the related art, it is desirable to provide a compensation chain and an elevator in which the torsion of the compensation chain can be buffered without relative movement between links.
In a first aspect, the compensation chain of the invention comprises a plurality of first chain links and a plurality of second chain links, wherein the first chain links are connected with the second chain links at intervals, the first chain links are provided with cavities with openings at two ends, the first chain links are connected with connecting rods, the connecting rods penetrate through the cavities, one ends of the connecting rods are rotationally connected with first connecting pieces, the other ends of the connecting rods are rotationally connected with second connecting pieces, the first connecting pieces and the second connecting pieces are both rotated along the circumferential direction of the first chain links, the first chain links are positioned between the first connecting pieces and the second connecting pieces, the connecting rods are sleeved with double torsion springs, the double torsion springs comprise clamping parts, first connecting parts and second connecting parts, the clamping parts are fixed with the first chain links, the first connecting parts are fixed with the first connecting pieces, any one of the two second chain links adjacent to the first chain links is rotationally connected with the first connecting pieces, the other second chain links are rotationally connected with the second connecting pieces, and the rotation direction of the second chain links relative to the first chain links is vertical to the rotation direction of the first connecting pieces.
In a second aspect, the elevator of the invention comprises a counterweight frame, a car and a compensation chain, wherein one end of the compensation chain is fixedly connected with the bottom of the counterweight frame, and the other end of the compensation chain is fixedly connected with the bottom of the car.
According to the technical scheme that this embodiment provided, through rotating first chain link and second chain link and being connected, avoid the relative movement in the longitudinal direction between first chain link and the second chain link, when the compensation chain takes place to twist reverse, first connecting piece or second connecting piece can rotate for first chain link, the effect of buffering can be played to the rotation of compensation chain to the double torsion spring, simultaneously, the torsional force of compensation chain also can be converted into the deformation of double torsion spring to the double torsion spring, after the elevator is static, the double torsion spring can release deformation, drive the compensation chain and rotate, make the state before the compensation chain resumes former torsion, avoid the compensation chain because excessively twist and cause the damage of compensation chain, the comfort and the security of taking the elevator have been improved, can solve current compensation chain and produce the swing easily even twist reverse, influence the problem of the comfort of elevator.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a schematic diagram of a compensation chain according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a first link of a compensation chain according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a compensation chain according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a first link of a compensation chain according to an embodiment of the invention;
fig. 5 is a schematic structural view of a first connecting member of a compensation chain according to an embodiment of the present invention.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 5, an embodiment of the compensation chain of the present invention includes a plurality of first links 10 and a plurality of second links 20, the first links 10 are connected with the second links 20 at intervals, the first links 10 are provided with cavities 11 with two open ends, the first links 10 are connected with connecting rods 40, the connecting rods 40 pass through the cavities 11, one ends of the connecting rods 40 are rotationally connected with first connecting pieces 41, the other ends of the connecting rods 40 are rotationally connected with second connecting pieces 42, the first connecting pieces 41 and the second connecting pieces 42 are both rotated along the circumferential direction of the first links 10, the first links 10 are located between the first connecting pieces 41 and the second connecting pieces 42, the connecting rods 40 are sleeved with double torsion springs 30, the double torsion springs 30 include clamping parts 31, first connecting parts 32 and second connecting parts 33, the clamping parts 31 are fixed with the first links 10, the first connecting parts 32 are fixed with the first connecting pieces 41, one end of the connecting rods 40 is rotationally connected with the second connecting pieces 42, any one second link 20 adjacent to the first links 10 is rotationally connected with the second link 20, and the other second link 20 is rotationally connected with the first link 20 in a direction perpendicular to the first link 10.
In the embodiment of the invention, the first chain link is provided with the cavities with two open ends, and the cavities are arranged along the transverse direction of the compensation chain, so that the first connecting rod and the first chain link can be fixed, and the first connecting rod and the first chain link can be rotationally connected. When the first connecting rod is rotationally connected with the first chain link, two bearings are fixed in the cavity at intervals, and inner rings of the two bearings are respectively fixed with the first connecting rod.
The first connecting piece can be but not only the cuboid connecting piece, and the second connecting piece can be but not only the cuboid connecting piece, and first connecting piece can be connected through bearing and connecting piece rotation, and the second connecting piece can be connected through bearing and connecting piece rotation, of course, can set up the stopper respectively at the both ends of connecting rod, and the stopper can prevent that first connecting piece and second connecting piece from breaking away from the connecting rod, has improved the reliability of compensation chain.
When the compensation chain twists reverse, first connecting piece or second connecting piece all rotate along the circumference of first chain link, drive the double torsion spring and produce the deformation, and double torsion spring can play the cushioning effect to the torsion of compensation chain, simultaneously, after the elevator stops moving, double torsion spring can release deformation, and the state before the drive compensation chain resumes the torsion avoids the compensation chain to produce and knots, has improved the reliability and the stability of compensation chain, avoids the compensation chain to cause the damage of compensation chain owing to excessive torsion, has improved the comfort and the security of taking the elevator.
The first connecting piece is connected with the second chain link in a rotating way, the rotating direction of the second chain link relative to the first chain link is vertical to the rotating direction of the first connecting piece relative to the first chain link, namely when the second chain link rotates relative to the first connecting piece, one end of the second chain link, which is far away from the first chain link, is close to or far away from the first chain link.
The second connecting piece is connected with the second chain link in a rotating way, the rotating direction of the second chain link relative to the first chain link is perpendicular to the rotating direction of the second connecting piece relative to the first chain link, namely when the second chain link rotates relative to the second connecting piece, one end of the second chain link, which is far away from the first chain link, is close to or far away from the first chain link, the second chain link is provided with a rotating shaft, the second connecting piece is provided with a rotating hole, the rotating shaft rotates in the rotating hole, and the central axis of the rotating hole is perpendicular to the central axis of the connecting rod. The first chain link and the second chain link only can rotate relatively and do not move relatively, and shake of the compensation chain in the operation process of the elevator can be reduced.
Further, the first connecting portion 32 and the second connecting portion 33 have the same rotation direction.
In the embodiment of the invention, the rotation directions of the first connecting part and the second connecting part are the same, namely the rotation directions of the two sub springs of the double torsion spring are the same, so that the inner diameter of one of the two sub springs of the double torsion spring can be reduced no matter how the second chain link is twisted, namely the sub springs are in a normal working state, and the service life of the double torsion spring is prolonged.
Further, the side of the first link 41 facing the first link 10 is provided with a first protrusion 43, the side of the first link 10 facing the first link 41 is provided with a first limit groove 12, the first protrusion 43 slides in the first limit groove 12, the first limit groove 12 includes a first stop surface 13, and the first stop surface 13 is used for stopping the first protrusion 43 to prevent the first link 32 from reversely twisting.
In the embodiment of the invention, the movement range of the first bulge is limited through the first stop surface, so that the rotation angle of the first connecting piece is limited, and the abnormal working state of reverse torsion of the bullet spring of the double torsion spring is avoided.
Further, the first limiting groove 12 includes a second stop surface 14, and the first stop surface 13 and the second stop surface 14 are located at two ends of the first limiting groove 12.
In the embodiment of the invention, the second stop surface limits the movement range of the first bulge so as to limit the rotation angle of the first connecting piece, avoid excessive deformation of the bullet spring of the double torsion spring and prolong the service life of the double torsion spring.
Further, the side of the second connecting member 42 facing the first link 10 is provided with a second protrusion, the side of the first link 10 facing the second connecting member 42 is provided with a second limit groove, the second protrusion slides in the second limit groove, the second limit groove includes a third stop surface for stopping the second protrusion to prevent the second connecting portion 33 from being reversely twisted.
In the embodiment of the invention, the movement range of the second bulge is limited by the third stop surface, so that the rotation angle of the second connecting piece is limited, and the abnormal working state of reverse torsion of the bullet spring of the double torsion spring is avoided.
Further, the second limiting groove comprises a fourth stop surface, and the third stop surface and the fourth stop surface are positioned at two ends of the second limiting groove.
In the embodiment of the invention, the movement range of the second bulge is limited by the fourth stop surface, so that the rotation angle of the second connecting piece is limited, the excessive deformation of the bullet spring of the double torsion spring is avoided, and the service life of the double torsion spring is prolonged.
Further, the second link 20 is a rectangular parallelepiped, and the second link 20 is provided with a chain hole.
In the embodiment of the invention, the second chain link is cuboid, and the second chain link is provided with the chain hole, so that the processing and the manufacturing of the compensation chain are facilitated, and meanwhile, the raw materials can be saved.
Another embodiment of the invention is an elevator comprising a counterweight housing, a car, and a compensation chain, one end of the compensation chain being fixedly connected to the bottom of the counterweight housing, the other end of the compensation chain being fixedly connected to the bottom of the car.
In the embodiment of the invention, the fall of the weight in the up-and-down motion process of the elevator is balanced through the compensation chain, the first chain link and the second chain link are rotationally connected, the relative movement in the longitudinal direction between the first chain link and the second chain link is avoided, when the compensation chain is twisted, the first connecting piece or the second connecting piece can rotate relative to the first chain link, the double torsion spring can play a role in buffering the rotation of the compensation chain, meanwhile, the torsion force of the compensation chain can be converted into the deformation of the double torsion spring, after the elevator is stationary, the double torsion spring can release the deformation to drive the compensation chain to rotate, so that the compensation chain is restored to the state before original torsion, the damage of the compensation chain caused by excessive torsion is avoided, and the comfort and the safety of riding the elevator are improved.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (7)
1. The utility model provides a compensation chain, its characterized in that includes a plurality of first chain links and a plurality of second chain links, first chain links with second chain links interval connection, first chain links is provided with both ends open-ended cavity, first chain links are connected with the connecting rod, the connecting rod passes the cavity, the one end rotation of connecting rod is connected with first connecting piece, the other end rotation of connecting rod is connected with the second connecting piece, first connecting piece with the second connecting piece is all along the circumferential direction of first chain links, first chain links is located between first connecting piece with the second connecting piece, the connecting rod both ends set up the stopper respectively, the stopper is used for preventing first connecting piece with the second connecting piece breaks away from the connecting rod,
the connecting rod has cup jointed two torsional springs, two torsional springs include joint portion, first connecting portion and second connecting portion, joint portion with first chain link is fixed, first connecting portion with first connecting piece is fixed, second connecting portion with the second connecting piece is fixed, with two adjacent second chain links in the second chain link with first connecting piece rotates to be connected, another second chain link with second connecting piece rotates to be connected, the second chain link for the direction of rotation of first chain link with first connecting piece for the direction of rotation of first chain link is perpendicular.
2. The compensation chain of claim 1, wherein the first connection and the second connection are of the same rotational direction.
3. The compensation chain of claim 1, wherein a side of the first link facing the first link is provided with a first protrusion, a side of the first link facing the first link is provided with a first limit groove, the first protrusion slides within the first limit groove, the first limit groove includes a first stop surface for stopping the first protrusion to prevent reverse rotation of the first link.
4. A compensation chain according to claim 3, wherein the first limit groove comprises a second stop surface, the first stop surface and the second stop surface being located at opposite ends of the first limit groove.
5. The compensation chain of claim 1, wherein a side of the second connecting member facing the first link is provided with a second protrusion, a side of the first link facing the second connecting member is provided with a second limit groove, the second protrusion slides within the second limit groove, the second limit groove includes a third stop surface for stopping the second protrusion to prevent reverse rotation of the second connecting portion.
6. The compensation chain of claim 5, wherein the second limit groove includes a fourth stop surface, the third stop surface and the fourth stop surface being located at opposite ends of the second limit groove.
7. The compensation chain of claim 1, wherein the second link is a cuboid, the second link being provided with a chain aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910309383.3A CN109941864B (en) | 2019-04-17 | 2019-04-17 | Compensation chain and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910309383.3A CN109941864B (en) | 2019-04-17 | 2019-04-17 | Compensation chain and elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109941864A CN109941864A (en) | 2019-06-28 |
| CN109941864B true CN109941864B (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910309383.3A Active CN109941864B (en) | 2019-04-17 | 2019-04-17 | Compensation chain and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109941864B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1806084A1 (en) * | 1968-10-25 | 1970-05-21 | Rud Ketten Rieger & Dietz | Tension spring buffer |
| DE3510856A1 (en) * | 1985-03-26 | 1986-10-02 | H. Krantz Gmbh & Co, 5100 Aachen | CHAIN OF CHAIN LINKS PROVIDED WITH A PAIR OF PAIRS |
| JPH0692571A (en) * | 1992-09-17 | 1994-04-05 | Mitsubishi Electric Corp | Compensating rope tension wheel device for elevator |
| CN1956911A (en) * | 2004-03-03 | 2007-05-02 | 格雷福祖格升降机有限责任公司 | Platform lifter provided with a driving pulley and driving system with the lifter |
| CN204961697U (en) * | 2015-07-26 | 2016-01-13 | 德清华宇链传动有限公司 | Roller chain of area buffering chain link |
| CN107127943A (en) * | 2017-06-30 | 2017-09-05 | 南通兴华达高实业有限公司 | A kind of buckle-type elevator balanced compensated chain and its production technology |
| CN108502675A (en) * | 2018-05-25 | 2018-09-07 | 如皋市兰峰服饰有限公司 | A kind of elevator activity fag end combination |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209835347U (en) * | 2019-04-17 | 2019-12-24 | 南通中力重科机械工程有限公司 | Compensation chain and elevator |
-
2019
- 2019-04-17 CN CN201910309383.3A patent/CN109941864B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1806084A1 (en) * | 1968-10-25 | 1970-05-21 | Rud Ketten Rieger & Dietz | Tension spring buffer |
| DE3510856A1 (en) * | 1985-03-26 | 1986-10-02 | H. Krantz Gmbh & Co, 5100 Aachen | CHAIN OF CHAIN LINKS PROVIDED WITH A PAIR OF PAIRS |
| JPH0692571A (en) * | 1992-09-17 | 1994-04-05 | Mitsubishi Electric Corp | Compensating rope tension wheel device for elevator |
| CN1956911A (en) * | 2004-03-03 | 2007-05-02 | 格雷福祖格升降机有限责任公司 | Platform lifter provided with a driving pulley and driving system with the lifter |
| CN204961697U (en) * | 2015-07-26 | 2016-01-13 | 德清华宇链传动有限公司 | Roller chain of area buffering chain link |
| CN107127943A (en) * | 2017-06-30 | 2017-09-05 | 南通兴华达高实业有限公司 | A kind of buckle-type elevator balanced compensated chain and its production technology |
| CN108502675A (en) * | 2018-05-25 | 2018-09-07 | 如皋市兰峰服饰有限公司 | A kind of elevator activity fag end combination |
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| Publication number | Publication date |
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| CN109941864A (en) | 2019-06-28 |
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Address after: 226600 No. 555 Zhennan Road, Haian High-tech Zone, Nantong City, Jiangsu Province Applicant after: Nantong Zhongli Technology Co.,Ltd. Address before: 226600 No. 555 Zhennan Road, Haian High-tech Zone, Nantong City, Jiangsu Province Applicant before: NANTONG ZHONGLI HEAVY MACHINERY ENGINEERING Co.,Ltd. |
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