CN112660984A - Connecting rod type automatic locking device - Google Patents
Connecting rod type automatic locking device Download PDFInfo
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- CN112660984A CN112660984A CN202011524570.2A CN202011524570A CN112660984A CN 112660984 A CN112660984 A CN 112660984A CN 202011524570 A CN202011524570 A CN 202011524570A CN 112660984 A CN112660984 A CN 112660984A
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- driven disc
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Abstract
The invention relates to the field of automatic fastening devices, in particular to a connecting rod type automatic locking device. The device comprises a speed reducer for providing power, a driving disc, a driven disc and a switch shifting fork, wherein an output shaft of the speed reducer is fixedly connected with the driving disc, and the driving disc is connected with the driven disc through an adjusting connecting rod assembly and drives the driven disc to rotate so as to drive a handle to rotate to realize locking; the adjusting connecting rod assembly comprises a master connecting rod and a slave connecting rod, the master connecting rod is connected with the slave connecting rod through a double-end screw rod and a connecting rod fixing piece, the master connecting rod is connected with a driving disc, and the slave connecting rod is connected with a driven disc. The chain wheel locking device can solve the defects of the original chain transmission by adjusting the transmission of the connecting rod assembly, the connecting rod structure can save about 80 percent of the processing cost of a chain wheel compared with the chain wheel, the locking/unlocking rotation problems caused by the influences of pin shaft abrasion, pin shaft and sleeve gluing, tooth jumping, shaking, locking element loosening, severe vibration, overlarge noise and the like can be avoided, and maintenance personnel can be saved from cleaning oil stains on the chain and filling lubricating grease at regular intervals.
Description
Technical Field
The invention relates to the field of automatic fastening devices, in particular to a connecting rod type automatic locking device.
Background
In the field of automatic production of automobiles, when a vehicle body is pretreated, the vehicle body and a lifting appliance need to be effectively locked and unlocked. The existing automatic locking device for pretreatment drives a shifting lever on a driven chain wheel to rotate under the connection of a chain through a driving chain wheel on a driving main shaft, so that a handle on a lifting appliance clamped in the shifting lever is locked/unlocked.
The use of chains presents the following problems: firstly, the self abrasion of the chain can lead the chain to be gradually loosened, thereby directly influencing the locking corner and further leading the hanger follow-up handle in the shifting fork not to effectively lock or unlock the hanger and the body in white. Secondly, because the pretreatment environment is comparatively abominable, especially the hoist will enter into the electrophoresis tank liquid together with white automobile body, lead to on the hoist be infected with the tank liquid can drip on the chain, can be infected with thick dirt in the practical application on the chain, the operation later stage resistance aggravates, and the vibration aggravation, the noise grow. And thirdly, the unlocking/locking device is generally placed in a narrow area where maintenance personnel cannot easily reach at a pretreatment inlet/outlet, and the chain and the bearing are not easy to develop and have hidden installation troubles by regularly needing special maintenance work. Fourthly, the chain wheel processing technology is complex, and the chain wheel can be manufactured by special processing equipment and inspection measuring tools, so that the manufacturing period is long, and the processing cost is high.
Disclosure of Invention
The invention solves the technical problem of providing a connecting rod type automatic locking device which is simple and reliable in structure and long in service life.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a connecting rod type automatic locking device comprises a speed reducer, a driving disc, a driven disc and a switch shifting fork, wherein the speed reducer provides power, an output shaft of the speed reducer is fixedly connected with the driving disc, and the driving disc is connected with the driven disc through an adjusting connecting rod assembly and drives the driven disc to rotate so as to drive the switch shifting fork to rotate to realize locking; the adjusting connecting rod assembly comprises a master connecting rod and a slave connecting rod, the master connecting rod is connected with the slave connecting rod through a double-end screw rod and a connecting rod fixing plate, the master connecting rod is connected with the driving disc, and the slave connecting rod is connected with the slave disc; two ends of the driving disc are connected with the driven disc through two groups of adjusting connecting rod assemblies which are horizontally arranged; the driven plate upper surface through the bolt with switch shift fork fixed connection, centre are opened from top to bottom have T shape through-hole, insert T shape switch pivot in the T shape through-hole, the switch pivot through the third oilless bush with T shape through-hole inner wall rotates and is connected.
Furthermore, fixing screw rods are arranged at two ends of the driving disc, and the main connecting rod is sleeved on the fixing screw rods through a first oilless bushing and is locked with the fixing pins through a fixing guide sleeve in a matched mode.
Further, the driven disc comprises an upper driven disc and a lower driven disc, and two ends of the upper driven disc and two ends of the lower driven disc are connected with the driven connecting rod through second oilless bushings.
Furthermore, the lower end of the switch rotating shaft is locked with the lower end of the driven plate through a gasket and a nut.
The invention has the beneficial effects that:
1. through adjusting the transmission of link assembly, can solve the drawback that original chain drive exists, the link structure can save about 80% to sprocket processing cost, can not take place round pin axle wearing and tearing, round pin axle and sleeve veneer, jump tooth, shake, locking component not hard up, the vibration is violent, the too big emergence that influences locking/unblock rotation problem of noise etc to and remove the maintenance personnel from regularly to greasy dirt clearance and lubricating grease filling etc. on the chain. And adjust and carry out the roll adjustment through double-end screw on the link assembly, application scope is wide, and through the reinforcement connection of connecting rod stationary blade, can increase the life of adjusting link assembly.
2. Through oilless bearing replaces roller bearing, overall structure lightweight design compares rolling bearing mounting structure and can save about 65% on material processing, reduces artifical processing and maintains.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view and cut-away illustration of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a block diagram of FIG. 1 labeled 2;
FIG. 5 is a block diagram of FIG. 1 labeled 3;
fig. 6 is a block diagram labeled 4 in fig. 1.
Labeled as:
1. speed reducer, 2, driving disc, 3, adjusting link assembly, 4, driven disc, 5, switch shift fork, 6, switch pivot, 201, clamping screw, 202, first oilless bush, 203, fixed guide pin bushing, 204, fixed pin, 301, master link, 302, follow connecting rod, 303, double-end screw, 304, connecting rod stationary blade, 401, go up the driven disc, 402, second oilless bush, 403, lower driven disc, 601, third oilless bush, 602, nut.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A connecting rod type automatic locking device is shown in figures 1-5 and comprises a speed reducer 1, a driving disk 2, a driven disk 4 and a switch shifting fork 5, wherein power is provided, an output shaft of the speed reducer 1 is fixedly connected with the driving disk 2, and the driving disk 2 is connected with the driven disk 4 through an adjusting connecting rod assembly 3 and drives the driven disk 4 to rotate so as to drive the switch shifting fork 5 to rotate to achieve locking. As shown in fig. 5, the adjusting link assembly 3 includes a master link 301 and a slave link 302, the master link 301 and the slave link 302 are connected by a double-headed screw 303 and a link fixing plate 304, the master link 301 is connected to the driving disc 2, and the slave link 302 is connected to the driven disc 4. As shown in fig. 2 and 3, two ends of the driving disc 2 are connected with the driven disc 4 through two groups of adjusting connecting rod assemblies 3 which are horizontally arranged; the upper surface of the driven plate 4 is fixedly connected with a switch shifting fork 5 through bolts, a T-shaped through hole is formed in the middle of the driven plate, a T-shaped switch rotating shaft 6 is inserted into the T-shaped through hole, and the switch rotating shaft 6 is rotatably connected with the inner wall of the T-shaped through hole through a third oilless bushing 601.
When the lifting appliance handle is used in the later stage, the speed reducer 1 and the switch rotating shaft 6 are fixed on a base or a base plate, the main connecting rod 301 and the auxiliary connecting rod 302 are moved close to or far away by screwing the double-headed screw 303 according to the position distance of the lifting appliance handle, and the lifting appliance handle is inserted into the switch shifting fork 5. The speed reducer 1 drives the driving disc 2 to rotate forwards or backwards, the driving disc 2 drives the driven disc 4 to rotate forwards or backwards through the adjusting connecting rod assembly 3, the driven disc 4 rotates around the switch rotating shaft 6 and drives the switch shifting fork 5 to rotate forwards or backwards, and therefore the lifting appliance is locked or unlocked by rotating the lifting appliance handle through the switch shifting fork 5.
As shown in fig. 4, in order to construct the driving disc 2, two ends of the driving disc 2 are provided with fixing screws 201, and the main link 301 is sleeved on the fixing screws 201 through a first oilless bushing 202 and is locked by the fixing guide sleeve 203 and the fixing pin 204. The fixing pin 204 is inserted into the through hole of the fixing screw 201 to realize quick assembly and disassembly, and the debugging and the maintenance are convenient.
As shown in fig. 6, which is a structural diagram of the driven disk 4, the driven disk 4 includes an upper driven disk 401 and a lower driven disk 403, and both ends of the upper driven disk and the lower driven disk are connected to the driven link 302 through a second oilless bushing 402. The lower end of the switch rotating shaft 6 is locked with the lower end of the driven disc 4 through a gasket and a nut 602.
The action principle of the invention is as follows:
according to the requirement of locking or unlocking angle, generally 90 degrees or 180 degrees, as shown in fig. 2 and 3, the initial state (unlocking state) is kept horizontal, the speed reducer 1 drives the driving disc 2 to rotate 90 degrees anticlockwise, the driving disc 2 drives the driven disc to rotate 90 degrees anticlockwise through the adjusting connecting rod assembly 3, the switch shifting fork 5 rotates to a vertical state, a lifting appliance handle in the switch shifting fork 5 rotates 90 degrees to lock the lifting appliance, after the treatment process is finished, the speed reducer 1 rotates 90 degrees clockwise to reset, and unlocking is achieved.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides an automatic locking device of connecting rod formula, is including providing speed reducer (1), driving-disc (2), driven plate (4) and switch shift fork (5) of power, its characterized in that: the output shaft of the speed reducer (1) is fixedly connected with the driving disc, and the driving disc (2) is connected with the driven disc (4) through an adjusting connecting rod assembly (3) and drives the driven disc (4) to rotate so as to drive the switch shifting fork (5) to rotate to realize locking; the adjusting connecting rod assembly (3) comprises a master connecting rod (301) and a slave connecting rod (302), the master connecting rod (301) is connected with the slave connecting rod (302) through a double-end screw (303) and a connecting rod fixing plate (304), the master connecting rod (301) is connected with the driving disc (2), and the slave connecting rod (302) is connected with the driven disc (4); two ends of the driving disc (2) are connected with the driven disc (4) through two groups of adjusting connecting rod assemblies (3) which are horizontally arranged; driven plate (4) upper surface through the bolt with switch shift fork (5) fixed connection, centre are opened from top to bottom and are had T shape through-hole, insert T shape switch pivot (6) in the T shape through-hole, switch pivot (6) through third oilless bush (601) with T shape through-hole inner wall rotates and connects.
2. The link type automatic locking device as claimed in claim 1, wherein: the two ends of the driving disc (2) are provided with fixing screws (201), and the main connecting rod (301) is sleeved on the fixing screws (201) through a first oilless bushing (202) and is locked through a fixing guide sleeve (203) and a fixing pin (204) in a matching mode.
3. A link-type automatic locking device as claimed in claim 1 or 2, wherein: the driven disc (4) comprises an upper driven disc (401) and a lower driven disc (403), and the two ends of the upper driven disc and the lower driven disc are connected with the driven connecting rod (302) through a second oilless bushing (402).
4. The link type automatic locking device as claimed in claim 4, wherein: the lower end of the switch rotating shaft (6) is locked with the lower end of the driven disc (4) through a gasket and a nut (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524570.2A CN112660984A (en) | 2020-12-22 | 2020-12-22 | Connecting rod type automatic locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524570.2A CN112660984A (en) | 2020-12-22 | 2020-12-22 | Connecting rod type automatic locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112660984A true CN112660984A (en) | 2021-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011524570.2A Pending CN112660984A (en) | 2020-12-22 | 2020-12-22 | Connecting rod type automatic locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112660984A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319219A (en) * | 2022-01-24 | 2022-04-12 | 沈阳航空航天大学 | Road ice and snow removing device that freezes |
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|---|---|---|---|---|
| CN101315116A (en) * | 2007-05-29 | 2008-12-03 | 高国兴 | Dual spindle transmission and pleating machine using the same |
| CN202706853U (en) * | 2012-06-12 | 2013-01-30 | 常州东方机电成套有限公司 | Linkage synchronous locking novel sealing door |
| CN103318748A (en) * | 2012-11-02 | 2013-09-25 | 上海振华重工(集团)股份有限公司 | Lifting device of water cargo platform |
| CN203451036U (en) * | 2013-08-01 | 2014-02-26 | 河南卫华重型机械股份有限公司 | Lock for hanger and rotation driving mechanism of lock for hanger |
| CN104973474A (en) * | 2015-07-20 | 2015-10-14 | 上海富朗德机械设备有限公司 | Flat-layer locking device for elevator |
| CN108502707A (en) * | 2018-05-24 | 2018-09-07 | 巨力索具股份有限公司 | A kind of container spreader cam mechanism |
| CN209698963U (en) * | 2018-12-17 | 2019-11-29 | 中国航发沈阳发动机研究所 | A kind of torsion type cup type locking plate locking fixture |
| CN111156859A (en) * | 2020-02-19 | 2020-05-15 | 湖南华南光电(集团)有限责任公司 | High-precision large-angle transmission mechanism |
-
2020
- 2020-12-22 CN CN202011524570.2A patent/CN112660984A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315116A (en) * | 2007-05-29 | 2008-12-03 | 高国兴 | Dual spindle transmission and pleating machine using the same |
| CN202706853U (en) * | 2012-06-12 | 2013-01-30 | 常州东方机电成套有限公司 | Linkage synchronous locking novel sealing door |
| CN103318748A (en) * | 2012-11-02 | 2013-09-25 | 上海振华重工(集团)股份有限公司 | Lifting device of water cargo platform |
| CN203451036U (en) * | 2013-08-01 | 2014-02-26 | 河南卫华重型机械股份有限公司 | Lock for hanger and rotation driving mechanism of lock for hanger |
| CN104973474A (en) * | 2015-07-20 | 2015-10-14 | 上海富朗德机械设备有限公司 | Flat-layer locking device for elevator |
| CN108502707A (en) * | 2018-05-24 | 2018-09-07 | 巨力索具股份有限公司 | A kind of container spreader cam mechanism |
| CN209698963U (en) * | 2018-12-17 | 2019-11-29 | 中国航发沈阳发动机研究所 | A kind of torsion type cup type locking plate locking fixture |
| CN111156859A (en) * | 2020-02-19 | 2020-05-15 | 湖南华南光电(集团)有限责任公司 | High-precision large-angle transmission mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319219A (en) * | 2022-01-24 | 2022-04-12 | 沈阳航空航天大学 | Road ice and snow removing device that freezes |
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Application publication date: 20210416 |
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| RJ01 | Rejection of invention patent application after publication |