CN100999299A - Parallel type inserted-pin mechanism for crane - Google Patents
Parallel type inserted-pin mechanism for crane Download PDFInfo
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- CN100999299A CN100999299A CN 200610136974 CN200610136974A CN100999299A CN 100999299 A CN100999299 A CN 100999299A CN 200610136974 CN200610136974 CN 200610136974 CN 200610136974 A CN200610136974 A CN 200610136974A CN 100999299 A CN100999299 A CN 100999299A
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Abstract
The present invention discloses a parallel type bolt mechanism for crane. It includes cam-type body-separated telescopic pin mechanism, link rod type load-bearing pin plug-in and draw-out mechanism and self-locking device. The telescopic pin mechanism self-body and plug-in and draw-out mechanism self-body are connected into one body. The working directions of telescopic pin and pin-drawing board are parallel. The described self-locking device includes the following several portions: locking shaft, reset spring, pressure cover ad self-locking board. Said invention also provides the connection mode of all the above-mentioned portions.
Description
Technical field
The present invention is mainly concerned with the hoisting crane field, refers in particular to a kind of parallel type inserted-pin mechanism for crane.
Background technology
Present large-tonnage both domestic and external, super-tonnage car hosit generally adopt single cylinder single oil cylinder telescoping mechanism, and this class telescoping mechanism mainly is made up of the bearing pins on bolt mechanism, telescopic oil cylinder, the arm and other duplicate.Bolt mechanism is the critical component of this class telescoping mechanism.
Bolt mechanism mainly is made up of the plug-in and pull-off device of flexible pin assembly and bearing pins, and its main principle of work can be illustrated by Fig. 1.The flexible pin assembly of bolt mechanism and the plug-in and pull-off device of bearing pins have been marked among Fig. 1, its working process is: 1, the movable end of bolt mechanism and telescopic oil cylinder is fixed, flexible pin assembly stretches out pin at the afterbody of first telescopic boom, and the movable end of telescopic oil cylinder is comprised that the telescoping mechanism and first telescopic boom interconnect; 2, bearing pins one is fixed on the first telescopic boom afterbody, by the pin-and-hole that inserts on the basic arm first telescopic boom is connected on the basic arm; 3, the plug-in and pull-off device of bearing pins is extracted bearing pins one from pin-and-hole, and the basic arm and first telescopic boom are separated from each other; 4, the fixed end of telescopic oil cylinder is fixed on the basic arm afterbody, at this moment will drive first telescopic boom when telescopic oil cylinder moves and other telescopic boom of being fixed on above it moves simultaneously, has realized the flexible of arm; 5, when first telescopic boom moves to the pin-and-hole position of an appointment, the plug-in and pull-off device of bearing pins discharges bearing pins one, and bearing pins one ejects by the application force of retracing spring, inserts in the pin-and-hole again, first telescopic boom is reconnected on the basic arm, thereby realized the once flexible of arm.Above action can circulate and carry out.If desired arm is extremely stretched state entirely from full reduced state action, then must stretch the N telescopic boom earlier, the flexible then pin assembly pin that will stretch is regained, bolt mechanism with the portion of the movable end of telescopic oil cylinder and N telescopic boom from and retract to the afterbody of N-1 telescopic boom, repetitive cycling is up to first telescopic boom is reached the position.
From above bolt mechanism working process, the flexible pin assembly of bolt mechanism and the plug-in and pull-off device of bearing pins move more frequent in the telescopic process of arm, and the service condition complexity plays critical effect in flexible action.The plug-in and pull-off device action of flexible pin assembly and bearing pins all realizes by pressure oil and retracing spring in the existing bolt mechanism, its principle of work is as follows: Fig. 2 is the scheme drawing of flexible pin assembly, when not having pressure oil to enter oil cylinder, flexible pin 401 is released and is inserted the pin-and-hole of arm 405 afterbodys by retracing spring 402, interconnect bolt mechanism and arm 405 fixing, when pressure oil enters pressure oil acting chamber 404, flexible pin 401 is withdrawn in the cylinder tube, and bolt mechanism is separated with arm 405; Fig. 3 is the scheme drawing of the plug-in and pull-off device of bearing pins 406, when bolt mechanism with after arm 405 is connected, the plate 407 of pulling pin of the plug-in and pull-off device of bearing pins 406 hooks bearing pins 406, effect by pressure oil, piston rod 408 drives the plate 407 of pulling pin bearing pins 406 is extracted downwards, at this moment two arms 405 separate, telescopic oil cylinder drives arm 405 and moves to another one appointment pin-and-hole position, pressure oil is cut off, reset by the application force piston rod 408 of the sheet reset spring 409 of pulling pin and the plate 407 of pulling pin, bearing pins 406 is released the back and inserts automatically in the pin-and-hole, and two arms 405 are retightened together.
Existing bolt mechanism is owing to be subjected to the restriction of arm 405 inner space sizes, the plug-in and pull-off device main body 410 of flexible pin assembly main body 403 and bearing pins is a shared body element (Fig. 2 and device main body shown in Figure 3 are same main body), the dimension precision requirement height of this main body, added that piston rod 408 moves in main body, need a lot of packing elements to be installed in body interior, cause the difficulty of processing of bolt mechanism main body big like this, needed most advanced and sophisticated equipment and complicated technology to ensure the quality of products; Bolt mechanism is the tail end that is fixed on the telescopic oil cylinder cylinder barrel, then the piston rod of telescopic oil cylinder must be pulled out from the cylinder letter as need dismounting bolt mechanism, just can carry out further work then, if go wrong in arm 405 inside, the work capacity of maintenance is very large; The flexible pin 401 of flexible pin assembly is subjected to is friction stress on the cross-sectional plane, because flexible pin 401 is one with piston rod 408, this stress is finally born by the piston rod 408 of packing element and flexible pin 401, through repeatedly damaging packing element and the flexible piston rod of selling 408 behind the back and forth movement, problems such as hydraulic oil is revealed, device quilt card appear, the plug-in and pull-off device of bearing pins 406 has two oil cylinders to plate 407 effects of pulling pin, because application force is not on same straight line, the piston rod 408 of two oil cylinders can be subjected to offset loading force, hair fastener, problem such as return not occur.Above problem has caused bolt mechanism overall performance instability, and reliability is not high.
Summary of the invention
The technical problem to be solved in the present invention just is: at the technical matters that prior art exists, the invention provides a kind of simple and compact for structure, installation and maintenance convenient, performance is more reliable and more stable, improve the parallel type inserted-pin mechanism for crane of overall efficiency.
For solving the problems of the technologies described above, the solution that the present invention proposes is: a kind of parallel type inserted-pin mechanism for crane, it is characterized in that: it comprises cam type separated retractable pin mechanism, connecting rod type carrying pin inserting mechanism and self-locking device, retractable pin mechanism body and push-pull structure body link into an integrated entity, flexible pin is parallel with the operative orientation of the plate of pulling pin, described self-locking device comprises lock shaft, retracing spring, gland and self-locking plate, one end of self-locking plate links to each other with push-pull structure sliding panel or orienting lug, the other end links to each other with gland, lock shaft is positioned at the below of gland, the lower end of lock shaft is inserted in the feedback port on the retractable pin mechanism body, and retracing spring is sheathed on the lock shaft.
Described cam type separated retractable pin mechanism comprises upper cover plate, flexible pin sliding panel, main body top, flexible pin, lower body part, retracing spring, lower cover and connecting panel, main body top and lower body part are connected to form the retractable pin mechanism body, main body top and lower body part are between upper cover plate and lower cover, flexible pin and be installed between main body top and the lower body part by the flexible pin sliding panel that connecting panel links to each other with single acting oil cylinder, the bearing pin that stretch out flexible pin both sides is slidedly arranged in the kidney slot of offering on the center cams groove of flexible pin sliding panel and the retractable pin mechanism body, the tail end of flexible pin links to each other with a retracing spring, and described upper cover plate and lower cover are provided with feedback port.
Described connecting rod type carrying pin inserting mechanism comprises bearing, the plate of pulling pin, sliding seat, spring reset mechanism and connecting rod mechanism, two blocks of plates of pulling pin are positioned at the both sides of bearing, the sliding seat activity that links to each other with single-acting cylinder is installed on the bearing, the plate of pulling pin links to each other with sliding seat by connecting rod mechanism, sliding seat links to each other with spring reset mechanism, the described plate of pulling pin links to each other with bearing by a guiding mechanism, this guiding mechanism comprises pilot bar and orienting lug, orienting lug is fixed on the plate of pulling pin, pilot bar one end is fixed on the bearing, and the other end is sheathed in the guide groove of orienting lug.
Described spring reset mechanism comprises the spring axis of guide and retracing spring, and retracing spring is sheathed between the spring axis of guide, and the spring axis of guide links to each other with sliding seat.
Described connecting rod mechanism comprises main connecting rod and auxiliary connecting rod, and the two ends of main connecting rod are articulated in respectively on pull pin plate and the sliding seat, and the two ends of auxiliary connecting rod are articulated in respectively on pull pin plate and the bearing.
Compared with prior art, advantage of the present invention just is: the present invention is a kind of application to cam type separated retractable pin mechanism and connecting rod type carrying pin inserting mechanism, be applicable to that bearing pins is arranged in parallel in the situation in the arm, actv. of the present invention is combined into a kind of later-model bolt mechanism with above two kinds of mechanisms, and has kept high efficiency, reliability, the safety of whole mechanism.The processing technology of some vital partss among the present invention realizes that easily domestic existing conventional Fabricating machinery just can guarantee.Major part of the present invention connects into as a whole when assembling by the connection fastener, be easy for installation and maintenance.This device has realized that oil cylinder separates with flexible pin, oil cylinder separates with the plate of pulling pin, and reliability improves greatly, and fault rate is low.
Description of drawings
Fig. 1 is a bolt mechanism principle of work scheme drawing in the prior art;
Fig. 2 is the structural representation of flexible pin assembly in the prior art;
Fig. 3 is the structural representation of carrying pin inserting device in the prior art;
Fig. 4 is the frame principles scheme drawing of push-pull structure of the present invention;
Fig. 5 is a sectional structure scheme drawing of the present invention;
Fig. 6 is a mounting structure scheme drawing of the present invention;
Fig. 7 is the local structure scheme drawing of cam type separated retractable pin mechanism;
Fig. 8 is the sectional structure scheme drawing at A-A place among Fig. 7;
Fig. 9 be among Fig. 8 B to structural representation;
Figure 10 is the plan structure scheme drawing after the cam type separated retractable pin mechanism assembling;
Figure 11 is the sectional structure scheme drawing at C-C place among Figure 10;
Figure 12 is the main TV structure scheme drawing after the connecting rod type carrying pin inserting mechanism assembling;
Figure 13 is the plan structure scheme drawing after the connecting rod type carrying pin inserting mechanism assembling.
The specific embodiment
Below with reference to the drawings and specific embodiments the present invention is described in further details.
As shown in Figure 5 and Figure 6, parallel type inserted-pin mechanism for crane of the present invention, it comprises cam type separated retractable pin mechanism 2, connecting rod type carrying pin inserting mechanism 1 and self-locking device, and connecting rod type carrying pin inserting mechanism 1 and cam type separated retractable pin mechanism 2 are respectively by independently first single acting oil cylinder 501 and 502 controls of second single acting oil cylinder separately.Retractable pin mechanism body and push-pull structure body link into an integrated entity, the pin 204 that stretches is parallel with the operative orientation of the plate 103 of pulling pin, described self-locking device comprises lock shaft 301, retracing spring 302, gland 303 and self-locking plate 304, one end of self-locking plate 304 links to each other with push-pull structure sliding panel 102 or orienting lug 106, the other end links to each other with gland 303, lock shaft 301 is positioned at the below of gland 303, the lower end of lock shaft 301 is inserted in the feedback port 212 on the retractable pin mechanism body, and retracing spring 302 is sheathed on the lock shaft 301.
As Figure 12 and shown in Figure 13, connecting rod type carrying pin inserting mechanism for crane 1 of the present invention, it comprises bearing 101, the plate 105 of pulling pin, sliding seat 108, spring reset mechanism and connecting rod mechanism, the plate 105 of pulling pin respectively has one left and right, two blocks of plates 105 of pulling pin are positioned at the both sides of bearing 101, sliding seat 108 activities that link to each other with single-acting cylinder are installed on the bearing 101, and the plate 105 of pulling pin links to each other with sliding seat 108 by connecting rod mechanism, and sliding seat 108 links to each other with spring reset mechanism.In the present embodiment, the plate 105 of pulling pin links to each other with bearing 101 by a guiding mechanism, and this guiding mechanism comprises pilot bar 107 and orienting lug 106, and orienting lug 106 is fixed on the plate 105 of pulling pin, pilot bar 107 1 ends are fixed on the bearing 101, and the other end is sheathed in the guide groove of orienting lug 106.The plate 105 of pulling pin is subjected to the restriction of orienting lug 106 to be parallel to pilot bar 107 to move, and obtains power by connecting rod mechanism, the action that can finish latch and pull pin.Connecting rod mechanism offers the plate 105 of pulling pin with the power that the application force of single acting oil cylinder is converted into horizontal direction, makes it finish the action that level is pulled pin.Connecting rod mechanism comprises main connecting rod 103 and auxiliary connecting rod 104, and the two ends of main connecting rod 103 are articulated in respectively on pull pin plate 105 and the sliding seat 108, and the two ends of auxiliary connecting rod 104 are articulated in respectively on pull pin plate 105 and the bearing 101.Connecting rod mechanism offers the plate 105 of pulling pin with the power that the application force of single acting oil cylinder is converted into horizontal direction, the action (shown in Figure 12 left side) that makes it finish level and pull pin; And can automatically reset at the effect lower link mechanism and the single acting oil cylinder of retracing spring 110, make the plate of pulling pin finish the action of horizontal latch.The pull pin moving direction of plate 105 of orienting lug 106,107 pairs of pilot bars limits, make the plate 105 of pulling pin to move in the horizontal direction and can not rotate, on orienting lug 106, self-locking device can be installed, self-locking device can obtain the motor message that orienting lug 106 provides, and the motion that self-locking device also can restricted guidance piece 106 simultaneously realizes lock function; Pulling pin plate 105 can parallel motion, bearing pins extracted during when the plate 105 of pulling pin telescopic boom is temporarily separated with its upper class arm to the center translation, after treating that telescopic oil cylinder drives this telescopic boom and finishes expanding-contracting action and put in place, pull pin plate 105 to the both sides translation, and bearing pins is released and turns back to pin-and-hole telescopic boom and its upper class arm are reconnected; Spring reset mechanism comprises the spring axis of guide 109 and retracing spring 110, and retracing spring 110 is sheathed between the spring axis of guide 9, and the spring axis of guide 109 links to each other with sliding seat 108.The spring axis of guide 109, retracing spring 110 are used to provide and transmit the power that resets to connecting rod mechanism and single acting oil cylinder.Principle of work: connecting rod type carrying pin inserting mechanism is subjected to the control of single acting oil cylinder, export the action of pulling pin with latch, output detection signal offers the detection of electrons element simultaneously, and with the action situation feed back to self-locking device, self-locking device also can carry out motion limits to it according to the action situation of retractable pin mechanism.Left side and the right side state of pulling pin and the latch state of plate 5 of representing respectively to pull pin among Figure 12 and Figure 13, sliding seat 108 level under the effect of single acting oil cylinder travels forward among Figure 13, pull pin plate 105 levels to the center translation by the connecting rod mechanism pulling simultaneously, with regard to the plate 105 residing states of pulling pin as left side among Figure 13; The level under the effect of retracing spring of single acting oil cylinder is moved backward after sliding seat 108 and the release, reset by the connecting rod mechanism plate 105 that promotes to pull pin simultaneously, just pulled pin plate 105 residing states as right side among Figure 13, orienting lug 106 among Figure 12 and pilot bar 107 make the sense of motion maintenance level always of the plate 105 of pulling pin in whole motion process.
Extremely shown in Figure 11 as Fig. 7, cam type separated retractable pin mechanism for crane 2 of the present invention, it comprises upper cover plate 201, flexible pin sliding panel 202, flexible pin 204, main body top 203, lower body part 205, retracing spring 206, lower cover 207 and connecting panel 208, main body top 203 and lower body part 205 are connected by fastener, form the retractable pin mechanism body, other movable members all relies on this integral structure to position and leads; Upper cover plate 201 and lower cover 207 are covered on the outside of main body top 203 and lower body part 205 respectively, upper cover plate 201 and lower cover 207 are used for guaranteeing that flexible pin sliding panel 202 moves in groove, the flexible pin of protection sliding panel 202 is not subjected to ectocine simultaneously, the state of kinematic motion that provides feedback port will stretch pin feeds back to the external world, carries out motion limits for self-locking device provides interface; Flexible pin 204 and be installed between main body top 203 and the lower body part 205 by the flexible pin sliding panel 202 that connecting panel 208 links to each other with single acting oil cylinder, the bearing pin 209 that stretch out flexible pin 204 both sides is slidedly arranged in the kidney slot of offering on the center cams groove 210 of flexible pin sliding panel 202 and the retractable pin mechanism body 211, flexible pin sliding panel 202 has upper and lower two, it can be free to slide in the groove of main body top 203 and lower body part 205, be connected with single acting oil cylinder by connecting panel 208, and obtain the power that single acting oil cylinder provided.Just can promote flexible pin 204 and move when flexible pin sliding panel 202 moves, flexible pin 204 can stretch, and when stretching out telescopic oil cylinder is connected with telescopic boom and bears the power that telescopic oil cylinder drive telescopic boom moves, telescopic oil cylinder and telescopic boom disengaging after withdrawing.The tail end of flexible pin 204 links to each other with a retracing spring 206, makes flexible pin return by the restoring force of retracing spring when compressing.In preferred embodiment, as shown in the figure, there is a circular hole to be positioned at the top of roundlet bearing pin 209 on the upper cover plate 201, this is the feedback port 212 of self-locking device, self-locking device also can carry out motion limits by 212 pairs of flexible pins 204 of this feedback port simultaneously; An elongated slot is arranged as feedback port 212 among the figure on the lower cover 207, the little round pin of hypomere stretches out from this elongated slot, detection signal is provided for the detection of electrons element.Its principle of work is: cam type separated retractable pin mechanism is subjected to the control of single acting oil cylinder, output is stretched pin and the action of the pin that contracts, output detection signal offers the detection of electrons element simultaneously, and the situation of action fed back to self-locking device, self-locking device also can carry out motion limits to it according to the action situation of the push-pull structure of bearing pins.The state that stretches out and the retracted mode of flexible pin 204 represented on left side and right side respectively among Figure 10 and Figure 11.Left side flexible pin sliding panel 202 moves downward under the effect of single acting oil cylinder among Figure 10, promotes flexible pin 204 retractions simultaneously, has just become the flexible pin in right side sliding panel 202 and flexible pin 204 residing states among the figure; Flexible pin sliding panel 202 upward movement under the effect of the retracing spring that single acting oil cylinder carries in right side among the figure, flexible simultaneously pin 204 stretches out under the effect of retracing spring 206, has just become the state shown in the left side.In this process, when the flexible pin of single acting oil cylinder promotion sliding panel 202 moves, the inclined-plane of center cams groove 210 gives the roundlet bearing pin 209 application forces on the flexible pin sliding panel 202, thereby makes flexible pin flexible pin 204 overcome frictions and retracing spring 206 elastic force retraction, puts in place up to retraction; When pin sliding panel 202 returns were contracted in the single acting oil cylinder stretching, roundlet bearing pin 209 no longer was subjected to the application force of center cams groove 210 on the flexible pin sliding panel 202, and flexible pin 204 stretches out under retracing spring 206 acts on and puts in place.
The integrally-built principle of work of the present invention: referring to Fig. 4, represented among the figure that cam type separated retractable pin mechanism 2 and connecting rod type carrying pin inserting mechanism 1 are combined into new type bolt of the present invention mechanism, mechanical self-locking device among the figure can be realized the self-locking of this bolt mechanism, when flexible pin 204 is reduced to, self-locking device will limit the action of pulling pin of carrying pin inserting mechanism, after bearing pins is pulled out, self-locking device will limit the pin action of contracting of flexible pin 204.Left side and right side represent that respectively flexible pin 204 stretches out the state that the bearing pins state of extracting and the pin withdrawal bearing pins of stretching turn back among Fig. 5.Left side self-locking plate 304 is installed on the orienting lug 106 of carrying pin inserting mechanism among Fig. 5, orienting lug 106 and of the motion of self-locking plate 304 levels when bearing pins is pulled up to the center, and self-locking plate 304 is also depressed stop pin 301 simultaneously, pin 204 lockings of will stretching; After the connecting rod mechanism under the carrying pin inserting mechanism resetted, bearing pins turned back to pin-and-hole, and the translation laterally of self-locking plate 304 levels will be abdicated the space and give stop pin 301, and stop pin 304 resets under the elastic force effect of the directional tagging of gland 303 and retracing spring 302; After flexible pin 204 withdrawals, stop pin 301 can't move down, with the orienting lug locking of self-locking plate 304 together with carrying pin inserting mechanism, the just state shown in right side among Fig. 5.
Claims (5)
1, a kind of parallel type inserted-pin mechanism for crane, it is characterized in that: it comprises cam type separated retractable pin mechanism (2), connecting rod type carrying pin inserting mechanism (1) and self-locking device, retractable pin mechanism body and push-pull structure body link into an integrated entity, flexible pin (204) is parallel with the operative orientation of the plate of pulling pin (103), described self-locking device comprises lock shaft (301), retracing spring (302), gland (303) and self-locking plate (304), one end of self-locking plate (304) links to each other with push-pull structure sliding panel (102) or orienting lug (106), the other end links to each other with gland (303), lock shaft (301) is positioned at the below of gland (303), the lower end of lock shaft (301) is inserted in the feedback (212) on the retractable pin mechanism body, and retracing spring (302) is sheathed on the lock shaft (301).
2, parallel type inserted-pin mechanism for crane according to claim 1, it is characterized in that: described cam type separated retractable pin mechanism (2) comprises upper cover plate (201), flexible pin sliding panel (202), main body top (203), flexible pin (204), lower body part (205), retracing spring (206), lower cover (207) and connecting panel (208), main body top (203) and lower body part (205) are connected to form the retractable pin mechanism body, main body top (203) and lower body part (205) are positioned between upper cover plate (201) and the lower cover (207), flexible pin (204) and be installed between main body top (203) and the lower body part (205) by the flexible pin sliding panel (202) that connecting panel (208) links to each other with single acting oil cylinder, the bearing pin (209) that stretch out flexible pin (204) both sides is slidedly arranged in the kidney slot of offering on the center cams groove (210) of flexible pin sliding panel (202) and the retractable pin mechanism body (211), the tail end of flexible pin (204) links to each other with a retracing spring (206), and described upper cover plate (201) and lower cover (207) are provided with feedback (212).
3, parallel type inserted-pin mechanism for crane according to claim 1 and 2, it is characterized in that: connecting rod type carrying pin inserting mechanism (1) comprises bearing (101), the plate (105) of pulling pin, sliding seat (108), spring reset mechanism and connecting rod mechanism, two blocks of plates of pulling pin (105) are positioned at the both sides of bearing (101), the sliding seat that links to each other with single-acting cylinder (108) activity is installed on the bearing (101), the plate (105) of pulling pin links to each other with sliding seat (108) by connecting rod mechanism, sliding seat (108) links to each other with spring reset mechanism, the described plate of pulling pin (105) links to each other with bearing (101) by a guiding mechanism, this guiding mechanism comprises pilot bar (107) and orienting lug (106), orienting lug (106) is fixed on the plate of pulling pin (105), pilot bar (107) one ends are fixed on the bearing (101), and the other end is sheathed in the guide groove of orienting lug (106).
4, parallel type inserted-pin mechanism for crane according to claim 3, it is characterized in that: described spring reset mechanism comprises the spring axis of guide (109) and retracing spring (110), retracing spring (110) is sheathed between the spring axis of guide (109), and the spring axis of guide (109) links to each other with sliding seat (108).
5, parallel type inserted-pin mechanism for crane according to claim 4, it is characterized in that: described connecting rod mechanism comprises main connecting rod (103) and auxiliary connecting rod (104), the two ends of main connecting rod (103) are articulated in respectively on plate of pulling pin (105) and the sliding seat (108), and the two ends of auxiliary connecting rod (104) are articulated in respectively on plate of pulling pin (105) and the bearing (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101369748A CN100513293C (en) | 2006-12-28 | 2006-12-28 | Parallel type inserted-pin mechanism for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101369748A CN100513293C (en) | 2006-12-28 | 2006-12-28 | Parallel type inserted-pin mechanism for crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN100999299A true CN100999299A (en) | 2007-07-18 |
| CN100513293C CN100513293C (en) | 2009-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101369748A Active CN100513293C (en) | 2006-12-28 | 2006-12-28 | Parallel type inserted-pin mechanism for crane |
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| CN (1) | CN100513293C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214913B (en) * | 2008-01-21 | 2010-06-02 | 长沙中联重工科技发展股份有限公司 | Connecting rod type interlocking mechanism for crane |
| CN101979307A (en) * | 2010-10-14 | 2011-02-23 | 三一汽车起重机械有限公司 | Single-cylinder pin plugging/unplugging mechanism for telescopic crane |
| CN102180415A (en) * | 2011-05-19 | 2011-09-14 | 三一汽车起重机械有限公司 | Telescopic boom and engineering machinery comprising same |
| CN106738347A (en) * | 2016-12-16 | 2017-05-31 | 三汽车制造有限公司 | Safety guard and aggregate middle bin and mixing plant |
| CN112456337A (en) * | 2020-12-02 | 2021-03-09 | 太原重工股份有限公司 | Telescopic boom plug pin mechanism control device and crane |
| WO2022267935A1 (en) * | 2021-06-25 | 2022-12-29 | 湖南三一中型起重机械有限公司 | Plugging pin connection assembly, crane boom, and crane |
-
2006
- 2006-12-28 CN CNB2006101369748A patent/CN100513293C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214913B (en) * | 2008-01-21 | 2010-06-02 | 长沙中联重工科技发展股份有限公司 | Connecting rod type interlocking mechanism for crane |
| CN101979307A (en) * | 2010-10-14 | 2011-02-23 | 三一汽车起重机械有限公司 | Single-cylinder pin plugging/unplugging mechanism for telescopic crane |
| CN101979307B (en) * | 2010-10-14 | 2012-08-08 | 三一汽车起重机械有限公司 | Single-cylinder pin plugging/unplugging mechanism for telescopic crane |
| CN102180415A (en) * | 2011-05-19 | 2011-09-14 | 三一汽车起重机械有限公司 | Telescopic boom and engineering machinery comprising same |
| CN102180415B (en) * | 2011-05-19 | 2013-04-03 | 三一汽车起重机械有限公司 | Telescopic boom and engineering machinery comprising same |
| CN106738347A (en) * | 2016-12-16 | 2017-05-31 | 三汽车制造有限公司 | Safety guard and aggregate middle bin and mixing plant |
| CN106738347B (en) * | 2016-12-16 | 2020-10-02 | 三一汽车制造有限公司 | Safety protection device, aggregate intermediate bin and mixing plant |
| CN112456337A (en) * | 2020-12-02 | 2021-03-09 | 太原重工股份有限公司 | Telescopic boom plug pin mechanism control device and crane |
| WO2022267935A1 (en) * | 2021-06-25 | 2022-12-29 | 湖南三一中型起重机械有限公司 | Plugging pin connection assembly, crane boom, and crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100513293C (en) | 2009-07-15 |
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