CN110217665B - Link mechanism - Google Patents
Link mechanism Download PDFInfo
- Publication number
- CN110217665B CN110217665B CN201910615682.XA CN201910615682A CN110217665B CN 110217665 B CN110217665 B CN 110217665B CN 201910615682 A CN201910615682 A CN 201910615682A CN 110217665 B CN110217665 B CN 110217665B
- Authority
- CN
- China
- Prior art keywords
- pituitary
- connecting rod
- compression spring
- assembly
- bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001817 pituitary effect Effects 0.000 claims abstract description 59
- 230000006835 compression Effects 0.000 claims abstract description 19
- 238000007906 compression Methods 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000003351 stiffener Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
Abstract
The present invention provides a link mechanism, comprising: a connecting rod bracket, a pituitary assembly and a compression spring; the axis that the connecting rod support passed self center perpendicularly is as the pivot, set up waist shape hole on the connecting rod support, waist shape hole is two, two waist shape holes are centers on the center is central symmetry and distributes, the pituitary subassembly corresponds to be set up to two, arbitrary the pituitary subassembly includes: the pituitary body is correspondingly and slidingly connected in the kidney-shaped hole through the pin shaft of the pituitary body, the compression spring is sleeved on a rod piece, a fixing washer is sleeved on the rod piece, the fixing washer is located at one end of the compression spring, a notch is formed in the edge of the connecting rod support, and the fixing washer extends into the notch. The connecting rod mechanism is connected with the two pituitary components through the connecting rod bracket, and the synchronism of the movement of the pituitary components is further ensured through the compression spring, so that the connecting rod mechanism has the advantages of simple structure, good synchronism and lower cost.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a connecting rod mechanism suitable for a speed limiter.
Background
The speed limiter is one of safety control components in the elevator safety protection system. When the elevator is in operation for whatever reason overspeed of the car occurs, there is even a risk of falling. At this time, after the failure of the main machine, the speed limiter of the elevator safety component acts, and the linkage lifting structure is linked with the safety tongs again to stop the car (counterweight) on the guide rail.
Specifically, when the existing speed limiter acts, the two pituitary components of the rope wheel device do centrifugal motion along with the increase of the speed, and the two pituitary components have to do centrifugal motion outwards synchronously. To meet the requirement that the two pituitary assemblies move synchronously outwards, a connecting mechanism and a spring are added to the pituitary assemblies to ensure synchronous movement. Therefore, the existing speed limiter is complex in structure, and the movement synchronism of the two pituitary components cannot be well guaranteed by the connecting mechanism and the spring. Therefore, in view of the above problems, it is necessary to propose further solutions.
Disclosure of Invention
The invention aims to provide a connecting rod mechanism which overcomes the defects in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a linkage mechanism, comprising: a connecting rod bracket, a pituitary assembly and a compression spring;
the axis that the connecting rod support passed self center perpendicularly is as the pivot, set up waist shape hole on the connecting rod support, waist shape hole is two, two waist shape holes are centers on the center is central symmetry and distributes, the pituitary subassembly corresponds to be set up to two, arbitrary the pituitary subassembly includes: the pituitary body is correspondingly and slidingly connected in the kidney-shaped hole through the pin shaft of the pituitary body, the compression spring is sleeved on a rod piece, a fixing washer is sleeved on the rod piece, the fixing washer is located at one end of the compression spring, a notch is formed in the edge of the connecting rod support, and the fixing washer extends into the notch.
As an improvement of the link mechanism of the present invention, any one of the kidney-shaped holes is maintained to be inclined with respect to the circumferential edge of the link bracket.
As an improvement of the link mechanism of the present invention, in any of the pituitary assemblies, the pituitary is a cylindrical weight.
As an improvement of the connecting rod mechanism, in any pituitary assembly, a deep groove ball bearing for assisting the pin shaft to slide along the kidney-shaped hole is sleeved on the pin shaft.
As an improvement of the link mechanism of the present invention, the link mechanism further includes a sheave including: the connecting rod comprises a circular ring and cross reinforcing ribs connected to the inner portion of the circular ring, and the center of the connecting rod support is pivotally connected to the cross position of the cross reinforcing ribs.
As an improvement of the link mechanism of the invention, the link bracket is connected with the cross reinforcing rib through a ball bearing.
As an improvement of the connecting rod mechanism, two sliding grooves which are arranged in a central symmetry manner are also formed in the cross reinforcing rib, and the pituitary assembly is slidingly arranged in the corresponding sliding groove.
As an improvement of the connecting rod mechanism, an included angle is formed between the sliding groove and the kidney-shaped hole.
As an improvement of the link mechanism, the fixing washer is fixedly arranged on the cross reinforcing rib.
Compared with the prior art, the invention has the beneficial effects that: the connecting rod mechanism is connected with the two pituitary components through the connecting rod bracket, and the synchronism of the movement of the pituitary components is further ensured through the compression spring, so that the connecting rod mechanism has the advantages of simple structure, good synchronism and lower cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic perspective view of a linkage mechanism of the present invention;
fig. 2 is a schematic perspective view of another angle of the linkage mechanism of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, the present invention provides a link mechanism including: a connecting rod bracket 1, a pituitary body assembly 2, a compression spring 3 and a rope pulley 4.
The link bracket 1 is used for connecting two pituitary assemblies 2, in particular, the link bracket 1 can perform pivoting motion, and the link bracket 1 takes an axis which vertically passes through the center of the link bracket as a rotating shaft. Meanwhile, the connecting rod bracket 1 is provided with a waist-shaped hole 11 for connecting the pituitary assembly 2. Preferably, the number of the kidney-shaped holes 11 is two, and the two kidney-shaped holes 11 are distributed symmetrically around the center. In addition, any one of the kidney-shaped holes 11 is held obliquely with respect to the circumferential edge of the link bracket 1.
The pituitary assembly 2 is used for performing centrifugal motion when the rope pulley 4 rotates at a high speed, and can trigger electric action and pawl action when reaching a trigger position, so as to realize braking. Any one of the two pituitary assemblies 2 comprises: a pituitary 21, a pin 22 connected to the pituitary 21.
In any of the pituitary assemblies 2, the pituitary 21 is a cylindrical weight so that the pituitary 21 can be thrown out during high-speed rotation. The pituitary 21 is correspondingly slidably connected in the kidney-shaped hole 11 by its pin 22. In addition, in order to facilitate the sliding of the pituitary assembly 2 along the kidney-shaped hole 11, in any pituitary assembly 2, a deep groove ball bearing for assisting the sliding of the pin 22 along the kidney-shaped hole 11 is further sleeved on the pin 22.
The compression spring 3 serves to ensure synchronous movement of the two pituitary assemblies 2. Specifically, the compression spring 3 is sleeved on a rod 5, a fixed washer 6 is further sleeved on the rod 5, and the fixed washer 6 is located at one end of the compression spring 3. Simultaneously, the edge of connecting rod support 1 has seted up the opening, the stationary washer 6 extends to in the opening. Thus, when the link bracket 1 rotates at a high speed with the pituitary assembly 2 thereon, it generates a relative angular velocity with the compression spring 3 and the fixing washer 6, and the fixing washer 6 compresses the spring 3, thereby compressing the spring, keeping the pituitary assembly 2 moving slowly and ensuring the synchronism of the two pituitary assemblies 2.
The rope wheel 4 is used for winding a steel wire rope and providing a mounting foundation for the connecting rod bracket 1, the pituitary assembly 2 and the compression spring 3. Specifically, the sheave 4 includes: a circular ring 41 and cross-shaped reinforcing ribs 42 connected to the inside of the circular ring 41. Wherein the center of the link bracket 1 is pivotally connected to the crossing position of the cross stiffener 42.
In order to facilitate the pivoting movement of the link bracket 1, the link bracket 1 is connected to the cross stiffener 42 by a ball bearing. Meanwhile, two sliding grooves 421 are formed on the cross-shaped reinforcing rib 42, and the pituitary assembly 2 is slidably disposed in the corresponding sliding groove 421.
Further, the fixing washer 6 is fixedly disposed on the cross stiffener 42, and an included angle is formed between the chute and the kidney-shaped hole 11, so that when the pituitary assembly 2 performs centrifugal motion, the pituitary assembly 2 moves linearly along the kidney-shaped hole 11 on the link bracket 1, and the two pituitary assemblies 2 apply force to the link bracket 1, so that the link bracket 1 rotates under the force of the two pituitary assemblies 2, and generates a relative angular velocity with respect to the sheave 4. At this time, the notch on the link bracket 1 will act with the fixing washer 6, compressing the spring, keeping the pituitary assembly 2 moving slowly and triggering the electrical switch and the click action.
In summary, the link mechanism of the invention connects two pituitary components through the link bracket, and further ensures the synchronicity of the motion of the pituitary components through the compression spring, and has simple structure, good synchronicity and lower cost.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. A linkage mechanism, the linkage mechanism comprising: a connecting rod bracket, a pituitary assembly and a compression spring;
the connecting rod support takes an axis which vertically passes through the center of the connecting rod support as a rotating shaft, two waist-shaped holes are formed in the connecting rod support, the two waist-shaped holes are distributed in a central symmetry mode around the center, and any waist-shaped hole is obliquely arranged relative to the circumferential edge of the connecting rod support;
the pituitary assembly is correspondingly arranged into two parts, and any pituitary assembly comprises: the pituitary body is correspondingly and slidingly connected in the kidney-shaped hole through the pin shaft of the pituitary body, the compression spring is sleeved on a rod piece, a fixed gasket is sleeved on the rod piece, the fixed gasket is positioned at one end of the compression spring, a notch is formed in the edge of the connecting rod support, and the fixed gasket extends into the notch;
the connecting rod mechanism further comprises a rope wheel, wherein the rope wheel is used for enabling a steel wire rope to bypass and providing a mounting foundation of the connecting rod bracket, the pituitary assembly and the compression spring; the sheave includes: the connecting rod comprises a circular ring and cross reinforcing ribs connected to the inner part of the circular ring, wherein the center of the connecting rod bracket is pivotally connected to the crossing position of the cross reinforcing ribs; two sliding grooves which are arranged in a central symmetry manner are also formed in the cross reinforcing rib, and the pituitary assembly is slidingly arranged in the corresponding sliding groove; an included angle is formed between the sliding groove and the kidney-shaped hole.
2. The linkage of claim 1 wherein in any of said pituitary assemblies, said pituitary is a cylindrical weight.
3. The linkage mechanism according to claim 1, wherein in any of said pituitary assemblies, said pin is further provided with a deep groove ball bearing for assisting the pin to slide along said kidney-shaped hole.
4. The linkage of claim 1 wherein the link bracket is connected to the cross bar by a ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910615682.XA CN110217665B (en) | 2019-07-09 | 2019-07-09 | Link mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910615682.XA CN110217665B (en) | 2019-07-09 | 2019-07-09 | Link mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110217665A CN110217665A (en) | 2019-09-10 |
| CN110217665B true CN110217665B (en) | 2024-04-02 |
Family
ID=67813090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910615682.XA Active CN110217665B (en) | 2019-07-09 | 2019-07-09 | Link mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110217665B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002020056A (en) * | 2000-07-03 | 2002-01-23 | Toshiba Elevator Co Ltd | Speed governor for elevator |
| CN2652898Y (en) * | 2003-07-22 | 2004-11-03 | 宁波欣达电梯配件厂 | General two-way speed limiter |
| CN1724331A (en) * | 2004-07-22 | 2006-01-25 | 上海三菱电梯有限公司 | Bidirectional speed limiting device |
| DE102007052280A1 (en) * | 2007-11-02 | 2009-05-28 | Wittur Holding Gmbh | Speed limiter for use in conveyor, has body shoes rotatably supported around minor axis such that shoes are rotated around minor axis, where shoes is formed and aligned on brake body such that shoes are braced strongly against brake body |
| JP2011168366A (en) * | 2010-02-18 | 2011-09-01 | Mitsubishi Electric Corp | Speed governor for elevator |
| WO2012086026A1 (en) * | 2010-12-22 | 2012-06-28 | 三菱電機株式会社 | Speed governing device of elevator |
| CN103318723A (en) * | 2013-07-05 | 2013-09-25 | 宁波欧菱电梯配件有限公司 | Novel one-way limiter with movement test driving mechanism |
| CN105173959A (en) * | 2015-10-10 | 2015-12-23 | 杭州沪宁电梯配件有限公司 | Deflecting constant-force speed limiter |
| JP2016016935A (en) * | 2014-07-08 | 2016-02-01 | 東芝エレベータ株式会社 | Governor of elevator |
| CN108275532A (en) * | 2018-03-05 | 2018-07-13 | 宁波元吉智能科技有限公司 | A kind of elevator governor |
| CN108328448A (en) * | 2018-03-05 | 2018-07-27 | 宁波元吉智能科技有限公司 | A kind of elevator governor of ratchet and rope sheave integral type |
| CN210286376U (en) * | 2019-07-09 | 2020-04-10 | 宁波元吉智能科技有限公司苏州分公司 | Link mechanism |
-
2019
- 2019-07-09 CN CN201910615682.XA patent/CN110217665B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002020056A (en) * | 2000-07-03 | 2002-01-23 | Toshiba Elevator Co Ltd | Speed governor for elevator |
| CN2652898Y (en) * | 2003-07-22 | 2004-11-03 | 宁波欣达电梯配件厂 | General two-way speed limiter |
| CN1724331A (en) * | 2004-07-22 | 2006-01-25 | 上海三菱电梯有限公司 | Bidirectional speed limiting device |
| DE102007052280A1 (en) * | 2007-11-02 | 2009-05-28 | Wittur Holding Gmbh | Speed limiter for use in conveyor, has body shoes rotatably supported around minor axis such that shoes are rotated around minor axis, where shoes is formed and aligned on brake body such that shoes are braced strongly against brake body |
| JP2011168366A (en) * | 2010-02-18 | 2011-09-01 | Mitsubishi Electric Corp | Speed governor for elevator |
| WO2012086026A1 (en) * | 2010-12-22 | 2012-06-28 | 三菱電機株式会社 | Speed governing device of elevator |
| CN103318723A (en) * | 2013-07-05 | 2013-09-25 | 宁波欧菱电梯配件有限公司 | Novel one-way limiter with movement test driving mechanism |
| JP2016016935A (en) * | 2014-07-08 | 2016-02-01 | 東芝エレベータ株式会社 | Governor of elevator |
| CN105173959A (en) * | 2015-10-10 | 2015-12-23 | 杭州沪宁电梯配件有限公司 | Deflecting constant-force speed limiter |
| CN108275532A (en) * | 2018-03-05 | 2018-07-13 | 宁波元吉智能科技有限公司 | A kind of elevator governor |
| CN108328448A (en) * | 2018-03-05 | 2018-07-27 | 宁波元吉智能科技有限公司 | A kind of elevator governor of ratchet and rope sheave integral type |
| CN210286376U (en) * | 2019-07-09 | 2020-04-10 | 宁波元吉智能科技有限公司苏州分公司 | Link mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110217665A (en) | 2019-09-10 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240307 Address after: 315700 Haihe Road, science and Technology Park, Shipu Town, Xiangshan County, Ningbo City, Zhejiang Province Applicant after: Xiangshan Changsheng Machinery Parts Co.,Ltd. Country or region after: China Address before: No.33, Dongfu Road, Suzhou Industrial Park, Jiangsu Province Applicant before: Ningbo Yuanji Intelligent Technology Co.,Ltd. Suzhou Branch Country or region before: China |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |