CN104389327A - Double-safety quick automatic connector for excavator - Google Patents
Double-safety quick automatic connector for excavator Download PDFInfo
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- CN104389327A CN104389327A CN201410657298.3A CN201410657298A CN104389327A CN 104389327 A CN104389327 A CN 104389327A CN 201410657298 A CN201410657298 A CN 201410657298A CN 104389327 A CN104389327 A CN 104389327A
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- hook
- side link
- hinged
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- hook body
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Abstract
The invention discloses a double-safety quick automatic connector for an excavator and belongs to the technical field of ancillary equipment for excavators. The double-safety quick automatic connector is technically characterized by comprising a main hook body, wherein a front positioning gap and a rear positioning gap are formed in the edge of the main hook body; a front hook and a rear hook are correspondingly hinged to the positions, at the side edges of the front positioning gap and the rear positioning gap, on the main hook body respectively; a hydraulic oil cylinder is hinged to the main hook body and is connected with a hydraulic station; the free end of a piston rod of the hydraulic oil cylinder is hinged to the rear hook; the front hook is hinged to a side link; two ends of a crank connecting rod are hinged to the middle part of the side link and the main hook body respectively; the front hook, the side link and the crank connecting rod are matched to form a four-connecting-rod crank rocker mechanism; a locking device is connected between the side link and the main hook body. The invention aims to provide the double-safety quick automatic connector for the excavator, which is convenient to use and good in effect. The double-safety quick automatic connector is used for an excavator replacing operation tool.
Description
Technical field
The present invention relates to a kind of two automatic couplers safely and fast for excavator, more particularly, particularly relate to a kind of two automatic couplers safely and fast changing work tooling for excavator.
Background technology
Along with excavator mechanical work expanded range, excavator instrument is also more and more diversified, and excavator quick connector can realize the quick-replaceable of work tooling, saves the working time, increases work efficiency.For the sake of security, current more than 10 tons excavator quick connectors generally adopt the hydraulic jack of band hydraulic lock, simultaneously artificial mode of placing safety plug.
But there is certain potential safety hazard in the operation of this artificial manual placement safety pin on work tooling.When connector and work tooling do not lock completely, lock if driver takes for, now go again manual to place safety pin, work tooling just may occur and to fall the security incident of hurting sb.'s feelings.The use of this type of quick connector is forbidden in the areas such as similar accident repeatedly occurs abroad, Europe, Australia in succession.Therefore, one is just needed without the need to manually placing safety pin, and only to rely on driver just automatically can complete two automatic couplers safely and fast of connecting moves at bridge operation.Domestic at present do not have the two automatic couplers safely and fast accomplishing to realize above-mentioned requirements, and Given this, a kind of market potential of two automatic coupler safely and fast will be very huge.
Summary of the invention
The object of the invention is to for above-mentioned the deficiencies in the prior art, a kind of easy to use, respond well two automatic couplers safely and fast for excavator are provided.
Technical scheme of the present invention is achieved in that a kind of two automatic couplers safely and fast for excavator, comprise main hook body, wherein said main hook body edge is provided with the prelocalization breach and rear locating notch that cooperatively interact, the main hook body of prelocalization breach side is hinged with hook before matching with prelocalization breach, the main hook body of rear locating notch side is hinged with the rear hook matched with rear locating notch; Main hook body is hinged with hydraulic jack, and hydraulic jack pipeline is connected with Hydraulic Station; Piston rod free end and the rear hook of hydraulic jack are hinged; One end of front hook and side link is hinged, and hinged with one end of crank connecting link in the middle of side link, the other end and the main hook body of crank connecting link are hinged, and the other end of side link is connected with one end of locking device, and the other end of locking device is connected with main hook body; Front hook, side link and crank connecting link are hinged and form double leval jib crank and rocker mechanism; In the locked state, the pin joint of the pin joint of the pin joint of side link and front hook, crank connecting link and side link, crank connecting link and main hook body is positioned at same straight line; The piston rod free end of hydraulic jack drives front hook and rear hook sequentially to lock, and when current hook is in locking state, rear hook is still in unlocking condition.
Above-mentioned in two automatic couplers safely and fast of excavator, on rear hook and the side corresponding with side link is provided with the solution latch hook adapted with side link, when rear hook is in unlocking condition, separate latch hook and side link is in released state.
Above-mentioned in two automatic couplers safely and fast of excavator, locking device is stage clip, and the two ends of stage clip are fixedly connected with side link with main hook body respectively.
Above-mentioned in two automatic couplers safely and fast of excavator, described front hook forms by the first hook portion with integrated first drive division of the first hook portion; The pin joint of described front hook and side link is positioned at the first drive division near first hook portion one end close end, and the hinge point of front hook and main hook body is in the first drive division free end close end.
Above-mentioned in two automatic couplers safely and fast of excavator, described rear hook forms by the second hook portion with integrated second drive division of the second hook portion; The pin joint of described rear hook and hydraulic cylinder piston rod is positioned at the second drive division near second hook portion one end close end, and the hinge point of rear hook and main hook body is in the second drive division free end close end.
After the present invention adopts said structure, in the locked state, the locking of front hook and the locking of rear hook are separate, the front hook that front hook lock certain portions fault causes unblanks to have influence on the lock-out state of rear hook, the rear hook that simultaneously, hook lock certain portions fault causes unblanks also can not have influence on the lock-out state of front hook, thus realizes two safety assurance.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but do not form any limitation of the invention.
Fig. 1 is structural representation of the present invention.
In figure: main hook body 1, prelocalization breach 2, rear locating notch 3, front hook 4, first hook portion 4a, the first drive division 4b, rear hook 5, second hook portion 5a, the second drive division 5b, hydraulic jack 6, side link 7, crank connecting link 8, locking device 9, solution latch hook 10.
Detailed description of the invention
Consult shown in Fig. 1, a kind of two automatic couplers safely and fast for excavator of the present invention, comprise main hook body 1, wherein said main hook body 1 edge is provided with the prelocalization breach 2 and rear locating notch 3 that cooperatively interact, the main hook body 1 of prelocalization breach 2 side is hinged with hook 4 before matching with prelocalization breach 2, and described front hook 4 forms by the first hook portion 4a with the integrated first drive division 4b of the first hook portion 4a; The main hook body 1 of rear locating notch 3 side is hinged with the rear hook 5 matched with rear locating notch 3, described rear hook 5 forms by the second hook portion 5a with the integrated second drive division 5b of the second hook portion 5a; Main hook body 1 is hinged with hydraulic jack 6, and hydraulic jack 6 pipeline is connected with Hydraulic Station; Piston rod free end and the rear hook 5 of hydraulic jack 6 are hinged; Described rear hook 5 is positioned at the second drive division near second hook portion 5a one end close end with the pin joint of hydraulic jack 6 piston rod, and the hinge point of rear hook 5 and main hook body 1 is in the second drive division 5b free end close end; Front hook 4 is hinged with one end of side link 7, and described front hook 4 is positioned at the first drive division near first hook portion 4a one end close end with the pin joint of side link 7, and the hinge point of front hook 4 and main hook body 1 is in the first drive division 4b free end close end; Hinged with one end of crank connecting link 8 in the middle of side link 7, the other end and the main hook body 1 of crank connecting link 8 are hinged, side link 7 is connected with one end of locking device 9 away from one end of crank connecting link 8, on rear hook 5 and the side corresponding with side link 7 is provided with the solution latch hook 10 adapted with side link 7, when rear hook 5 is in unlocking condition, separates latch hook 10 and be in released state with side link 7; In the process of unblanking, rear hook 5 first rotates, along with the rotation of rear hook 5 under the effect of hydraulic jack 6 piston rod, separate latch hook 10 with side link 7 from released state to contact condition, then, along with rear hook 5 is rotated further, solution latch hook 10 on rear hook 5 drives side link 7, and then before driving, hook 4 is unblanked; The other end of locking device 9 is connected with main hook body 1, locking device 9 can be stage clip, also can be other locking member, as long as meet in the process that can lock at front hook 4, apply downward active force to one end of side link 7, in the present embodiment, the two ends of stage clip are fixedly connected with side link 7 with main hook body 1 respectively; Front hook 4, side link 7 and crank connecting link 8 are hinged and form double leval jib crank and rocker mechanism; In the locked state, the pin joint of the pin joint of side link 7 and front hook 4, crank connecting link 8 and side link 7, crank connecting link 8 are positioned at same straight line with the pin joint of main hook body 1; The piston rod free end of hydraulic jack 6 drives front hook 4 and rear hook 5 sequentially to lock, and when current hook 4 is in locking state, rear hook 5 is still in unlocking condition.
During use, hydraulic jack 6 extends, and after promoting, hook 5 rotates, and when forwarding certain position to, side link 7 and rear hook 5 disengage; When rear hook 5 is rotated further, side link 7 rotates under the effect of stage clip, and before driving, hook 4 is locked; Then, rear hook 5 is also rotated further under the promotion of hydraulic jack 6, until rear hook 5 is locked, namely completes the priority locking of front hook 4 and rear hook 5.In the locked state, three pin joints of the crank connecting link 8 in double leval jib crank and rocker mechanism and side link 7 are located along the same line, namely the dead-centre position of crank-link mechanism is in, now, in strength range, front hook 4 is subject to outside apply great power and all cannot rotating and unblank, thus realizes safety locking.Meanwhile, side link 7 is pressed in dead-centre position under the effect of stage clip, can avoid causing side link 7 to depart from the possibility of dead-centre position because of the vibration factor in operating environment.
The unlocking action of two automatic coupler is safely and fast the inverse process of lock out action.When connector is unblanked, hydraulic jack 6 shrinks, and after first driving, hook 5 is unblanked, and now, hook 5 not yet contacts with side link 7, and front hook 4 is still in the lock state; Until after after hook 5 unblanks, now, solution latch hook 10 and the side link 7 of rear hook 5 are in released state; When the piston rod of hydraulic jack 6 continues to shrink, the solution latch hook 10 of rear hook 5 contacts with side link 7, and drive side link 7 upwards to rotate, and depart from dead-centre position, before driving, hook 4 rotates backward unblock simultaneously, before final realization, hook 4 is unblanked, and namely completes the unlocking action of two automatic coupler safely and fast.
In the locked state, the locking of front hook 4 and the locking of rear hook 5 are separate, the front hook 4 that front hook 4 lock part fault causes unblanks to have influence on the lock-out state of rear hook 5, the rear hook 5 that simultaneously, hook 5 lock part fault causes unblanks also can not have influence on the lock-out state of front hook 4, thus realizes two safety assurance.
Above illustrated embodiment is better embodiment of the present invention, only be used for conveniently the present invention being described, not any pro forma restriction is done to the present invention, have in any art and usually know the knowledgeable, if do not depart from the present invention carry in the scope of technical characteristic, utilize the Equivalent embodiments that the done local of disclosed technology contents is changed or modified, and do not depart from technical characteristic content of the present invention, all still belong in the scope of the technology of the present invention feature.
Claims (5)
1. the two automatic couplers safely and fast for excavator, comprise main hook body (1), it is characterized in that, described main hook body (1) edge is provided with the prelocalization breach (2) and rear locating notch (3) that cooperatively interact, the main hook body (1) of prelocalization breach (2) side is hinged with the front hook (4) matched with prelocalization breach (2), the main hook body (1) of rear locating notch (3) side is hinged with the rear hook (5) matched with rear locating notch (3); Main hook body (1) is hinged with hydraulic jack (6), and hydraulic jack (6) pipeline is connected with Hydraulic Station; Piston rod free end and the rear hook (5) of hydraulic jack (6) are hinged; Front hook (4) is hinged with one end of side link (7), hinged with one end of crank connecting link (8) in the middle of side link (7), the other end and the main hook body (1) of crank connecting link (8) are hinged, the other end of side link (7) is connected with one end of locking device (9), and the other end of locking device (9) is connected with main hook body (1); Front hook (4), side link (7) and crank connecting link (8) are hinged and form double leval jib crank and rocker mechanism; In the locked state, the pin joint of the pin joint of side link (7) and front hook (4), crank connecting link (8) and side link (7), crank connecting link (8) are positioned at same straight line with the pin joint of main hook body (1); The piston rod free end of hydraulic jack (6) drives front hook (4) and rear hook (5) sequentially to lock, and when current hook (4) is in locking state, rear hook (5) is still in unlocking condition.
2. the two automatic couplers safely and fast for excavator according to claim 1, it is characterized in that, rear hook (5) is upper and the side corresponding with side link (7) is provided with the solution latch hook (10) adapted with side link (7), when rear hook (5) is in unlocking condition, separates latch hook (10) and be in released state with side link (7).
3. the two automatic couplers safely and fast for excavator according to claim 1, it is characterized in that, locking device (9) is stage clip, and the two ends of stage clip are fixedly connected with side link (7) with main hook body (1) respectively.
4. the two automatic couplers safely and fast for excavator according to claim 1, it is characterized in that, described front hook (4) forms by the first hook portion (4a) with integrated first drive division (4b) of the first hook portion (4a); Described front hook (4) is positioned at the first drive division near the first hook portion (4a) one end close end with the pin joint of side link (7), and the hinge point of front hook (4) and main hook body (1) is in the first drive division (4b) free end close end.
5. the two automatic couplers safely and fast for excavator according to claim 1, it is characterized in that, described rear hook (5) forms by the second hook portion (5a) with integrated second drive division (5b) of the second hook portion (5a); Described rear hook (5) is positioned at the second drive division near the second hook portion (5a) one end close end with the pin joint of hydraulic jack (6) piston rod, and the hinge point of rear hook (5) and main hook body (1) is in the second drive division (5b) free end close end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410657298.3A CN104389327B (en) | 2014-11-18 | 2014-11-18 | Double-safety quick automatic connector for excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410657298.3A CN104389327B (en) | 2014-11-18 | 2014-11-18 | Double-safety quick automatic connector for excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104389327A true CN104389327A (en) | 2015-03-04 |
| CN104389327B CN104389327B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410657298.3A Active CN104389327B (en) | 2014-11-18 | 2014-11-18 | Double-safety quick automatic connector for excavator |
Country Status (1)
| Country | Link |
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| CN (1) | CN104389327B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227439A (en) * | 2020-10-12 | 2021-01-15 | 徐州巴特工程机械股份有限公司 | Normally closed quick-change connector for excavator |
| CN116607593A (en) * | 2023-07-03 | 2023-08-18 | 徐州巴特工程机械股份有限公司 | General quick change connector of excavator |
Citations (6)
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| GB2463298A (en) * | 2008-09-09 | 2010-03-10 | Miller Uk Ltd | A coupler for an excavator |
| CN101688381A (en) * | 2007-07-05 | 2010-03-31 | 卡特彼勒公司 | Quick coupler assembly for connecting an implement to an arm of a machine |
| CN101798825A (en) * | 2010-04-13 | 2010-08-11 | 吴柏强 | Connecting rod type quick connector used for excavator |
| GB2471720A (en) * | 2009-07-10 | 2011-01-12 | Patrick Roache | Excavator quick hitch mechanism |
| CN102667005A (en) * | 2009-09-22 | 2012-09-12 | 伊恩.希尔 | Hydraulic coupler with pin retention system for coupling an accessory to a work machine |
| CN204266267U (en) * | 2014-11-18 | 2015-04-15 | 梅州鸿荣重工有限公司 | A kind of two automatic couplers safely and fast for excavator |
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2014
- 2014-11-18 CN CN201410657298.3A patent/CN104389327B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101688381A (en) * | 2007-07-05 | 2010-03-31 | 卡特彼勒公司 | Quick coupler assembly for connecting an implement to an arm of a machine |
| GB2463298A (en) * | 2008-09-09 | 2010-03-10 | Miller Uk Ltd | A coupler for an excavator |
| GB2471720A (en) * | 2009-07-10 | 2011-01-12 | Patrick Roache | Excavator quick hitch mechanism |
| CN102667005A (en) * | 2009-09-22 | 2012-09-12 | 伊恩.希尔 | Hydraulic coupler with pin retention system for coupling an accessory to a work machine |
| CN101798825A (en) * | 2010-04-13 | 2010-08-11 | 吴柏强 | Connecting rod type quick connector used for excavator |
| CN204266267U (en) * | 2014-11-18 | 2015-04-15 | 梅州鸿荣重工有限公司 | A kind of two automatic couplers safely and fast for excavator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227439A (en) * | 2020-10-12 | 2021-01-15 | 徐州巴特工程机械股份有限公司 | Normally closed quick-change connector for excavator |
| CN112227439B (en) * | 2020-10-12 | 2024-10-22 | 徐州巴特工程机械股份有限公司 | Normally closed type quick-change connector for excavator |
| CN116607593A (en) * | 2023-07-03 | 2023-08-18 | 徐州巴特工程机械股份有限公司 | General quick change connector of excavator |
| CN116607593B (en) * | 2023-07-03 | 2023-10-17 | 徐州巴特工程机械股份有限公司 | General quick change connector of excavator |
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| Publication number | Publication date |
|---|---|
| CN104389327B (en) | 2017-02-22 |
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Address after: 514700 Fu Da hi tech Zone, Meizhou, Guangdong, Meixian Applicant after: Guangdong Rong Rong heavy industry Limited by Share Ltd Address before: 514700 Fu Da hi tech Zone, Meizhou, Guangdong, Meixian Applicant before: MEIZHOU HONGRONG HEAVY INDUSTRY CO., LTD. |
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