CN202966088U - Cobra mechanism for vehicle-mounted lifting rod - Google Patents
Cobra mechanism for vehicle-mounted lifting rod Download PDFInfo
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- CN202966088U CN202966088U CN 201220410613 CN201220410613U CN202966088U CN 202966088 U CN202966088 U CN 202966088U CN 201220410613 CN201220410613 CN 201220410613 CN 201220410613 U CN201220410613 U CN 201220410613U CN 202966088 U CN202966088 U CN 202966088U
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- cobra
- parallelogram
- pitching
- resell
- heart
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Abstract
The utility model relates to a cobra mechanism for a vehicle-mounted lifting rod. According to the cobra mechanism, a group of parallelogram mechanisms is added on a traditional vehicle lifting rod, so that an installation base plate at the top of the lifting rod always keeps horizontal when the lifting rod is pitched randomly; and the safe and stable tripping and locking functions of a lifting rod installation platform and the parallelogram mechanisms when the lifting rods lift are realized through a group of wedge mechanisms. Compared with the prior art, the installation platform of the cobra mechanism for the vehicle lifting rod can always keep horizontal in a series of actions of the lifting rod, known as 'cobra action'; the lifting rod can rise and fall safely and reliably without external power and additional actuation mechanism, so that a reliable, simple and economical action mechanism is realized. The cobra mechanism for the vehicle-mounted lifting rod is simple in system operation, comprehensive in function, and wide in application scope.
Description
Technical field
The utility model relates to vehicle-mounted lifting bar field, particularly a kind of vehicle-mounted lifting bar cobra mechanism.
Background technology
On market, existing vehicle-mounted lifting bar roughly is divided into two large classes, a class be bar cylinder when lodging lamp holder vertically downward, when only having the bar cylinder vertically to erect, lamp holder could the maintenance level.Another kind of lamp holder place is integrated with a series of modules such as motor, servo-actuated, code-disc or registration device, thereby makes lamp holder realize angle orientation.Above two class vehicle-mounted lifting bar troublesome poerations, function singleness and Applicable scope are narrow.
Summary of the invention
The purpose of this utility model just is to overcome above-mentioned deficiency of the prior art, and a kind of vehicle-mounted lifting bar cobra mechanism is provided, and comprises pedestal, the pitching cylinder, one-level retracting cylinder, secondary retracting cylinder, the pitching rotating shaft is characterized in that, also comprises, by the parallelogram fixed arm, parallelogram pull bar, fixation fork, opening is shipped and resell on another market, the cobra functional entity that the parallelogram swing arm forms, and by the fork that floats, to heart cotter pilotage, the cotter mechanism that erecting stage forms.
described cobra functional entity, its mounting means and manner of execution are: pedestal is fixed on usage platform, the parallelogram fixed arm is connected with it, the pitching cylinder is shipped and resell on another market by pitching and is connected with pedestal, can rotate around the pitching rotating shaft, realize the pitching action of mechanism under dynamic action, coaxial one-level retracting cylinder and the secondary retracting cylinder of being equipped with in the pitching cylinder, be provided with guided way at the barrel axial direction, when guaranteeing that lifting action is done by mechanism without rotation, in pitching cylinder end, be fixed with fixation fork by hoop, in the fixation fork end hole, the coaxial opening that is equipped with is shipped and resell on another market, opening is shipped and resell on another market and is provided with " V " shape groove, utilize " V " shape groove that its wedge surface and opening are shipped and resell on another market to agree with to heart cotter pilotage, and the other end that opening is shipped and resell on another market is provided with the chamfered edge axle, assemble with the parallelogram swing arm, and along with the swing of parallelogram swing arm, opening is shipped and resell on another market to drive in fixing entry heart cotter pilotage is rotated, thereby and four-bar linkage is servo-actuated.
Described cotter mechanism, its mounting means and manner of execution are: during rising, the unsteady fork that is assemblied in secondary retracting cylinder end can keep coaxial anti-rotation with the secondary retracting cylinder, float fork along with the secondary retracting cylinder rises, unsteady fork also is provided with and " V " shape groove that heart cotter pilotage wedge surface is agreed with, after the vertical displacement certain distance, agree with each other, thereby drive, heart cotter pilotage and erecting stage are synchronously risen, heart cotter pilotage and erecting stage are connected by screw, float this moment fork, to heart cotter pilotage with erecting stage is interim forms a rigid body, throw off four-bar linkage, only do lifting action.
Described cobra functional entity, the pitching cylinder is under dynamic action, around the pitching rotation of shipping and reselling on another market, by parallel-crank mechanism and parallelogram swing arm, opening that pitching cylinder, parallelogram pull bar, parallelogram swing arm, parallelogram fixed arm consist of ship and resell on another market, under the combined action of heart cotter pilotage, erecting stage remains horizontality under pitching action.
Described cotter mechanism, parallel-crank mechanism top during rising, erecting stage, heart cotter pilotage, the fork that floats are deviate from parallel-crank mechanism independently rise, erecting stage during decline, to heart cotter pilotage, fork floats, falling along with one-level retracting cylinder and secondary retracting cylinder, automatic centering resets to during opening ships and resell on another market, and incorporates parallel-crank mechanism into.
Described parallelogram pull bar length is adjustable, the height tolerance that exists to adapt to the pitching cylinder is characterized in that, the parallelogram pull bar is referred and synthesized by two sections and formed, the section of referring and synthesizing is by screw fastening, regulates the length that the length of the section of referring and synthesizing can be regulated the parallelogram pull bar.
A kind of vehicle-mounted lifting bar of the utility model cobra mechanism, its erecting stage can remain horizontality in lifting bar a series of actions, lifting bar can be realized rise and fall.Whole action safety, reliable without additionaling power, without extra actuating unit, has realized actuating mechanism reliable, succinct, that save, and train of mechanism is simple to operate, and complete function is applied widely.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model planing surface constructional drawing.
Wherein, 1-pedestal, 2-parallelogram fixed arm, 3-parallelogram pull bar, 4-pitching cylinder, 5-one-level retracting cylinder, the 6-fixation fork, the 7-opening is shipped and resell on another market, the swing arm of 8-parallelogram, 9-secondary retracting cylinder, the 10-fork that floats, 11-be to heart cotter pilotage, the 12-erecting stage, and the 13-pitching is shipped and resell on another market.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
The present embodiment is a kind of vehicle-mounted lifting bar cobra mechanism for vehicle-mounted lifting bar field, comprises pedestal 1, pitching cylinder 4, one-level retracting cylinder 5, secondary retracting cylinder 9, pitching rotating shaft 13, it is characterized in that, also comprise, by parallelogram fixed arm 2, parallelogram pull bar 3, fixation fork 6, opening ship and resell on another market 7, the cobra functional entity that parallelogram swing arm 8 forms, and by the fork 10 that floats, to heart cotter pilotage 11, erecting stage 12, the cotter mechanism of composition.
Described cobra functional entity, its mounting means and manner of execution are:
pedestal 1 is fixed on usage platform, parallelogram fixed arm 2 is connected with it, pitching cylinder 4 is shipped and resell on another market by pitching and 13 is connected with pedestal 1, can be around pitching rotating shaft 13 rotations, realize the pitching action of mechanism under dynamic action, interior coaxial one-level retracting cylinder 5 and the secondary retracting cylinder 9 of being equipped with of pitching cylinder 4, be provided with guided way at the barrel axial direction, when guaranteeing that lifting action is done by mechanism without rotation, in pitching cylinder 4 ends, be fixed with fixation fork 6 by hoop, in fixation fork 6 end hole, the coaxial opening that is equipped with ships and resell on another market 7, opening is shipped and resell on another market and 7 is provided with " V " shape groove, utilize ship and resell on another market " V " shape groove of 7 of its wedge surface and opening to agree with to heart cotter pilotage 11, 7 the other end is provided with the chamfered edge axle and opening is shipped and resell on another market, with parallelogram swing arm 8 assemblings, and along with the swing of parallelogram swing arm 8, opening is shipped and resell on another market and 7 is driven in fixation fork 6 holes 11 rotations of heart cotter pilotage, thereby and four-bar linkage is servo-actuated.
Described cotter mechanism, its mounting means and manner of execution are:
During rising, the unsteady fork 10 that is assemblied in secondary retracting cylinder 9 ends can keep coaxial anti-rotations with secondary retracting cylinder 9, float fork 10 along with secondary retracting cylinder 9 rises, the fork 10 that floats also is provided with and " V " shape groove that heart cotter pilotage 11 wedge surfaces are agreed with, after the vertical displacement certain distance, agree with each other, thereby drive, heart cotter pilotage 11 and erecting stage 12 are synchronously risen, heart cotter pilotage 11 and erecting stage 12 are connected by screw, float this moment and pitch 10, heart cotter pilotage 11 and erecting stage 12 are formed a rigid body temporarily, throw off four-bar linkage, only do lifting action.
Described cobra functional entity, pitching cylinder 4 is under dynamic action, around pitching ship and resell on another market 13 the rotation, the parallel-crank mechanism that is made of pitching cylinder 4, parallelogram pull bar 3, parallelogram swing arm 8, parallelogram fixed arm 2 and parallelogram swing arm 8, opening ship and resell on another market 7, under 11 combineds action of heart cotter pilotage, erecting stage 12 remains horizontality under the pitching action.
Described cotter mechanism, parallel-crank mechanism top during rising, erecting stage 12, heart cotter pilotage 11, the fork 10 that floats are deviate from parallel-crank mechanism and independently risen, erecting stage 12 during decline, to heart cotter pilotage 11, fork 10 floats, falling along with one-level retracting cylinder 5 and secondary retracting cylinder 9, automatic centering resets to opening and ships and resell on another market in 7, incorporates parallel-crank mechanism into.
Described parallelogram pull bar 3 length are adjustable, the height tolerance that exists to adapt to pitching cylinder 4 is characterized in that, parallelogram pull bar 3 is referred and synthesized by two sections and formed, the section of referring and synthesizing is by screw fastening, regulates the length that the length of the section of referring and synthesizing can be regulated parallelogram pull bar 3.
Compared with prior art, core of the present utility model is to utilize existing lodging formula lifting bar, has added one group of parallel-crank mechanism thereon and has realized said cobra function, i.e. during any pitching of lifting bar, the mounting base of lifting masthead all keeps level; When realizing lifter rod lifting by one group of cotter mechanism in addition, between lifting masthead erecting stage and parallel-crank mechanism, the button function is recognized in the dropout of safety and stability.Principal character has 2 points: 1. added one group of parallel-crank mechanism on existing lodging formula lifting bar and realized the cobra function, i.e. during any pitching of lifting bar, the mounting base of lifting masthead all keeps level; 2. when realizing lifter rod lifting by one group of cotter mechanism, between lifting masthead erecting stage and parallel-crank mechanism, the button function is recognized in the dropout of safety and stability.
Be more than to illustrate of the present utility model, this programme not only is confined in above embodiment, all will fall in the utility model protection domain for any change of making under this programme inventive concept.
Claims (6)
1. vehicle-mounted lifting bar cobra mechanism, comprise pedestal (1), pitching cylinder (4), one-level retracting cylinder (5), secondary retracting cylinder (9), pitching rotating shaft (13) is characterized in that, also comprises, by parallelogram fixed arm (2), parallelogram pull bar (3), fixation fork (6), opening ship and resell on another market (7), the cobra functional entity that parallelogram swing arm (8) forms, and by the fork (10) that floats, to heart cotter pilotage (11), the cotter mechanism that erecting stage (12) forms.
2. a kind of vehicle-mounted lifting bar cobra according to claim 1 mechanism, is characterized in that, described cobra functional entity, and its mounting means and manner of execution are:
pedestal (1) is fixed on usage platform, parallelogram fixed arm (2) is connected with it, pitching cylinder (4) by pitching ship and resell on another market (13) be connected with pedestal (1), can rotate around pitching rotating shaft (13), realize the pitching action of mechanism under dynamic action, coaxial one-level retracting cylinder (5) and the secondary retracting cylinder (9) of being equipped with in pitching cylinder (4), be provided with guided way at the barrel axial direction, when guaranteeing that lifting action is done by mechanism without rotation, in pitching cylinder (4) end, be fixed with fixation fork (6) by hoop, the coaxial opening ship and resell on another market (7) that is equipped with in fixation fork (6) end hole, opening ship and resell on another market (7) be provided with " V " shape groove, utilize ship and resell on another market " V " shape groove of (7) of its wedge surface and opening to agree with to heart cotter pilotage (11), the other end of (7) is provided with the chamfered edge axle and opening is shipped and resell on another market, assemble with parallelogram swing arm (8), and along with the swing of parallelogram swing arm (8), opening ship and resell on another market (7) drive in fixation fork (6) hole heart cotter pilotage (11) rotated, thereby and four-bar linkage is servo-actuated.
3. a kind of vehicle-mounted lifting bar cobra according to claim 1 mechanism, is characterized in that, described cotter mechanism, and its mounting means and manner of execution are:
during rising, the unsteady fork (10) that is assemblied in secondary retracting cylinder (9) end can keep coaxial anti-rotation with secondary retracting cylinder (9), float fork (10) along with secondary retracting cylinder (9) rises, the fork (10) that floats also is provided with and " V " shape groove that heart cotter pilotage (11) wedge surface is agreed with, after the vertical displacement certain distance, agree with each other, thereby drive heart cotter pilotage (11) and the synchronous rising of erecting stage (12), heart cotter pilotage (11) and erecting stage (12) are connected by screw, fork (10) floats this moment, heart cotter pilotage (11) and erecting stage (12) are formed a rigid body temporarily, throw off four-bar linkage, only do lifting action.
4. a kind of vehicle-mounted lifting bar cobra according to claim 2 mechanism, it is characterized in that, described cobra functional entity, pitching cylinder (4) is under dynamic action, around pitching ship and resell on another market (13) rotation, by pitching cylinder (4), parallelogram pull bar (3), parallelogram swing arm (8), parallel-crank mechanism and parallelogram swing arm (8) that parallelogram fixed arm (2) consists of, opening ship and resell on another market (7), under heart cotter pilotage (11) combined action, erecting stage (12) remains horizontality under the pitching action.
5. a kind of vehicle-mounted lifting bar cobra according to claim 4 mechanism, it is characterized in that, described cotter mechanism, parallel-crank mechanism top during rising, erecting stage (12), heart cotter pilotage (11), the fork (10) that floats are deviate from parallel-crank mechanism and independently risen, erecting stage during decline (12), to heart cotter pilotage (11), fork (10) floats, falling along with one-level retracting cylinder (5) and secondary retracting cylinder (9), automatic centering resets to opening and ships and resell on another market in (7), incorporates parallel-crank mechanism into.
6. a kind of vehicle-mounted lifting bar cobra according to claim 1 mechanism, it is characterized in that, described parallelogram pull bar (3) length is adjustable, the height tolerance that exists to adapt to pitching cylinder (4), described parallelogram pull bar (3) is referred and synthesized by two sections and is formed, the section of referring and synthesizing is by screw fastening, regulates the length that the length of the section of referring and synthesizing can be regulated parallelogram pull bar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410613 CN202966088U (en) | 2012-08-17 | 2012-08-17 | Cobra mechanism for vehicle-mounted lifting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410613 CN202966088U (en) | 2012-08-17 | 2012-08-17 | Cobra mechanism for vehicle-mounted lifting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202966088U true CN202966088U (en) | 2013-06-05 |
Family
ID=48507204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220410613 Expired - Fee Related CN202966088U (en) | 2012-08-17 | 2012-08-17 | Cobra mechanism for vehicle-mounted lifting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202966088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587462A (en) * | 2012-08-17 | 2014-02-19 | 陕西中联电科电子有限公司 | Vehicle-mounted lifting rod cobra mechanism |
-
2012
- 2012-08-17 CN CN 201220410613 patent/CN202966088U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587462A (en) * | 2012-08-17 | 2014-02-19 | 陕西中联电科电子有限公司 | Vehicle-mounted lifting rod cobra mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20200817 |