CN103626054A - Cargo beam pull pin structure, cargo beam and crane - Google Patents
Cargo beam pull pin structure, cargo beam and crane Download PDFInfo
- Publication number
- CN103626054A CN103626054A CN201310683960.8A CN201310683960A CN103626054A CN 103626054 A CN103626054 A CN 103626054A CN 201310683960 A CN201310683960 A CN 201310683960A CN 103626054 A CN103626054 A CN 103626054A
- Authority
- CN
- China
- Prior art keywords
- fork
- arm
- driver train
- pin
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a cargo beam pull pin structure, a cargo beam and a crane. The cargo beam pull pin structure comprises a body, a first support, a second support, a first oscillating bar, a second oscillating bar, a first driving mechanism and a second driving mechanism, wherein the first support and the second support are arranged at the top of the body at an interval; a first end of the first oscillating bar and a first end of the second oscillating bar are hinged with the first support and the second support by a first hinged point and a second hinged point respectively; a second end of the first oscillating bar and a second end of the second oscillating bar are located in a vertical region between the first hinged point and the second hinged point; the first driving mechanism and the second driving mechanism are respectively used for driving the first oscillating bar and the second oscillating bar; when the distance between the second end of the first oscillating bar and the second end of the second oscillating bar is less than a first pre-set value, the head of an arm pull pin rod can be clamped and a pull force is provided to the head. With the adoption of the cargo beam pull pin structure, the cargo beam and the crane, the possibility that the arm pull pin rod cannot be released in place or is loosened to descend to cause a crashing accident can be reduced effectively.
Description
Technical field
The present invention relates to hoisting crane single-cylinder bolt technical field, particularly pull pin structure, crane arm and hoisting crane of a kind of crane arm.
Background technology
At present, the crane arm of hoisting crane often adopts single-cylinder bolt type telescopic boom, this telescopic boom only has a telescopic oil cylinder, and one end of this telescopic oil cylinder is fixedly installed in the arm tail of basic arm, the other end is movable end, movable end is provided with cylinder head, and the both sides of cylinder head are provided with two corresponding mounting holes, are provided with cylinder pin in each mounting hole.The center shaft of these two cylinder pins and the center shaft of telescopic oil cylinder are coplanar, and these two cylinder pins can stretch out or retract under the effect of cylinder pin oil cylinder; Further, telescopic oil cylinder can optionally lock or discharge the relative position of itself and arbitrary joint telescopic boom when above-mentioned cylinder pin stretches out or regains.In addition, adjacent respectively save between telescopic boom and basic arm and the first telescopic boom between be equipped with arm latch structure, in each arm latch structure, arm pin is arranged at the top outer of certain joint arm, arm key seat is arranged at the inside top of another adjacent joint arm, and the relative position between adjacent telescopic boom and between basic arm and first segment telescopic boom can optionally insert or extract arm key seat to realize locking or to discharge by this arm pin.
First above-mentioned telescopic oil cylinder can lock with minor details telescopic boom, by regaining arm pin, minor details telescopic boom and joint telescopic boom second from the bottom is discharged simultaneously, and now telescopic oil cylinder can be taken minor details telescopic boom out of; Minor details telescopic boom after arriving desired location relocks itself and joint telescopic boom second from the bottom, regain described telescopic oil cylinder and itself and joint telescopic boom second from the bottom are locked, then joint telescopic boom second from the bottom and joint telescopic boom third from the bottom are discharged, now telescopic oil cylinder can be taken joint telescopic boom second from the bottom out of, the like can realize and respectively save stretching out successively of telescopic boom.
In prior art, for the arm lock of realizing between adjacent expansion arm is determined, general hold-down arm pin and lock accordingly Bringing-back mechanism (as spring) on interior telescopic boom, on telescopic boom, offer outside arm pin-and-hole, the arm pin on interior like this telescopic boom can stretch out outwardly until insert in the arm pin-and-hole on external extension arm under the effect of locking Bringing-back mechanism; In order to realize the arm pin release between adjacent expansion arm, corresponding pulling-out mechanism is generally set on interior telescopic boom, as shown in Figure 1, arm pin one end is inwardly connected with arm pin pull bar 1', the size of arm pin pull bar 1' lower end head is large (shaft than arm pin pull bar 1' is large) slightly, the draw-in groove 21'(that the lower end head of arm pin pull bar 1' can be inserted the body 2' that pulls pin is generally dovetail furrow) in, the body 21' that pulls pin can move downward, band swing arm pin pull bar 1' moves downward, until arm pin is extracted from the arm pin-and-hole of external extension arm; In a kind of concrete mode, the body 2' that pulls pin can be arranged on cylinder head 3' up or down, the moving up and down by corresponding oil cylinder of body 2' of pulling pin controlled, in the course of the work, the body 2' that pulls pin follow cylinder head 3' in telescopic boom before and after the direction of paper in Fig. 1 (perpendicular to) mobile, when arriving position corresponding to arm pin pull bar 1', the lower end head of arm pin pull bar 1' will be placed in the draw-in groove 21' pulling pin on body 2'.
In such scheme, due to the frequent the locking and unlocking of arm pin, easily cause arm pin pull bar 1' discharge not in place or occur loosening and decline, when arm pin pull bar 1' discharges when not in place, easily cause the lower end head of arm pin pull bar 1' and the upper turn of bilge 22' of draw-in groove 21' to bump against, when arm pin pull bar 1' is loosening while declining, easily cause the lower end head etc. of arm pin pull bar 1' to bump against with the bottom of draw-in groove 21'.
Therefore, how for above-mentioned deficiency and defect, improving, to more adapt to and use needs, is those skilled in the art's technical barriers urgently to be resolved hurrily.
Summary of the invention
In view of this, the first object of the present invention is to provide a kind of crane arm structure of pulling pin, and effectively to reduce, discharges not in place or occurs that the probability of shock accident appears in loosening decline because of arm pin pull bar.
Particularly, this crane arm structure of pulling pin comprises body, the first bearing, the second bearing, the first fork, the second fork, the first driver train and the second driver train; Described the first bearing and described the second bearing are arranged at intervals at the top of described body, the first end of the first end of described the first fork and described the second fork is articulated with described the first bearing and described the second bearing by the first hinge and the second hinge respectively, in the second end of described the first fork and the second end of described the second fork vertical area between described the first hinge and described the second hinge; Described the first driver train and described the second driver train are respectively used to drive described the first fork and described the second fork; Distance between the second end of described the first fork and the second end of described the second fork can be blocked the head of arm pin pull bar and provide pulling force for it when being less than the first preset value.
Further, the second end life of the second end of described the first fork and described the second fork is respectively arranged with the first pressing plate and the second pressing plate, for compressing and contact on the surface of contiguous shaft with arm pin rod head.
Further, described the first pressing plate and described the second pressing plate are strip and are arranged in parallel; The number of described the first bearing, described the first fork, described the first driver train, described the second bearing, described the second fork and described the second driver train is two; The two ends of described the first pressing plate are connected to the second end of two described the first forks, and the two ends of described the second pressing plate are connected to the second end of two described the second forks.
Further, described the first bearing, described the first fork and described the first driver train and described the second bearing, described the second fork and described the second driver train are arranged symmetrically.
Further, on described the first fork, offer the first chute along its length, on described the second fork, offer the second chute along its length; In described the first chute and in described the second chute, be respectively arranged with the first slide shaft and the second slide shaft; Described the first driver train and described the second driver train be respectively used to drive described the first slide shaft and described the second slide shaft towards or away from described body, move.
Further, described the first driver train and described the second driver train are respectively the first oil cylinder and the second oil cylinder, the first end of the first end of described the first oil cylinder and described the second oil cylinder is connected to described the first fork and described the second fork, and the second end is connected to described body.
Further, described the first chute is the first elongated hole, and described the second chute is the second elongated hole.
The second object of the present invention is to provide a kind of crane arm, the probability breaking down in pulling out arm pin process to reduce crane arm.
Particularly, this crane arm comprises a plurality of telescopic booms and is located at telescopic oil cylinder, cylinder head and the arm pin pull bar in telescopic boom, wherein, is also provided with crane arm described in the above-mentioned any one structure of pulling pin in telescopic boom.
Further, the installation body that described body is described cylinder head.
The 3rd object of the present invention is to provide a kind of hoisting crane, to improve transaction capabilities and the safety performance of hoisting crane.
While adopting crane arm of the present invention to pull pin structure, in the course of the work, when needs pull out the operation of arm pin, can make (lower end) head of arm pin pull bar in the line and the space between body of the second end of the first fork and the second end of the second fork, then by the first driver train and the second driver train, the second end of the first fork and the second end of the second fork are moved respectively towards the other side, make distance between the two more and more less, when this distance reaches the first preset value, the second end of the first fork and the second end of the second fork can be by the head clampings of arm pin pull bar, when this reduces apart from continuation, the second end of the first fork and the second end of the second fork provide (downwards) pulling force by the head for arm pin pull bar, and then arm pin is extracted from the arm pin-and-hole of external extension arm, when needs release arm pin pull bar, the first driver train and the second driver train counteragent, distance between the second end of the first fork and the second end of the second fork is increased gradually, until no longer clamp arm pin pull bar, arm pin will reinsert in the arm pin-and-hole of external extension arm under the effect of self return mechanism like this.
From the foregoing, compared with prior art, the structure of pulling pin crane arm of the present invention can realize the arm pin mode of pulling out of crab jaw type, when arm pin pull bar discharges when not in place, due to the second end of the first fork and the second end of the second fork under initial condition in obvolvent gripping orientation not, arm pin pull bar (head) is difficult for crashing with it, when arm pin pull bar is excessively transferred, due to the line of the second end of the first fork and the second end of the second fork and the space between body large (having omitted the setting of the body of pulling pin), thereby, arm pin pull bar (head) is also difficult for crashing with miscellaneous part, thereby improved crane arm at the reliability that pulls out arm pin process.
Crane arm of the present invention is provided with the above-mentioned crane arm structure of pulling pin, and therefore, the probability that this crane arm breaks down in the process of pulling pin greatly reduces.
Hoisting crane of the present invention is provided with above-mentioned crane arm, and therefore, this hoisting crane has better transaction capabilities and safety performance.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of existing a kind of crane arm pulling-out mechanism;
The pull pin generalized section of structure of a kind of crane arm that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 be crane arm shown in Fig. 2 pull pin structure a kind of preferred implementation overlook view.
Nomenclature:
1' arm pin pull bar
The 2' body of pulling pin
3' cylinder head
11' lower end head
21' draw-in groove
The upper turn of bilge of 22'
1 arm pin pull bar
10 heads
101 surfaces
2 bodies
20 tops
11 first bearings
12 first forks
13 first chutes
14 first slide shafts
15 first pressing plates
16 first driver trains
21 second bearings
22 second forks
23 second chutes
24 second slide shafts
25 second pressing plates
26 second driver trains
The specific embodiment
It should be pointed out that in this part to be only the explanation to specific embodiment to the description of concrete structure and description order, should not be considered as that protection scope of the present invention is had to any restriction.In addition,, under the situation of not conflicting, embodiment and the feature in embodiment in this part can combine mutually.
Please refer to Fig. 2 and Fig. 3, below in conjunction with accompanying drawing, the embodiment of the present invention is elaborated.Wherein, the pull pin structural representation of structure of a kind of crane arm that Fig. 2 provides for the embodiment of the present invention, for convenience of explanation and public understanding, also shows arm pin pull bar in Fig. 2, it should be noted that the crane arm of the present invention structure of pulling pin can not comprise arm pin pull bar.
As shown in Figure 2, the hoisting crane of this embodiment structure of pulling pin comprises body 2, the first bearing 11, the second bearing 21, the first fork 12, the second fork 22, the first driver train 16 and the second driver train 26.
Wherein, the first bearing 11 and the second bearing 21 are arranged at intervals at the top 20 of body 2, the first end of the first end of the first fork 12 and the second fork 22 is articulated with in the first bearing 11 and second the second end of bearing 21, the first forks 12 and the vertical area of the second end of the second fork 22 between this first hinge and this second hinge by the first hinge and the second hinge (shown in figure but do not mark) respectively.
The first driver train 16 and the second driver train 26 intervals are arranged in the top side of body 2, are respectively used to drive the first fork 12 rotate and drive the second fork 22 to rotate around the second hinge around the first hinge; Distance between the second end of the first fork 12 and the second end of the second fork 22 can be blocked the head 10 of arm pin pull bar 1 and provide (being as the criterion with orientation in scheming) pulling force downwards, for it when being less than the first preset value.
Below in conjunction with concrete scene, the pull pin principle of work of structure of the crane arm of above-described embodiment is once described, for clearer, the installation body that the body 2 of take is cylinder head (being located at crane arm telescopic oil cylinder movable end) describes as example:
In the course of the work, body 2 is followed movable end respectively the saving in telescopic boom and moving around at crane arm of telescopic oil cylinder, when needs pull out the operation of arm pin, by telescopic oil cylinder, make body 2 move to relevant position, can make (lower end) head 10 of arm pin pull bar 1 in the line and the space between body 2 of the second end of the first fork 12 and the second end of the second fork 22, then by the first driver train 16 and the second driver train 26, the second end of the first fork 12 and the second end of the second fork 22 are moved respectively towards the other side, make distance between the two more and more less, when this distance reaches the first preset value (size that depends on arm pin pull bar 1), the second end of the second end of the first fork 12 and the second fork 22 can be by the head of arm pin pull bar 1 10 clampings, when this reduces apart from continuation, the second end of the second end of the first fork 12 and the second fork 22 provides (downwards) pulling force by the head 10 for arm pin pull bar 1, and then arm pin (being connected in arm pin pull bar 1) is extracted from the arm pin-and-hole of adjacent external extension arm, when needs release arm pin pull bar 1, the first driver train 16 and the second driver train 26 counteragents, distance between the second end of the first fork 12 and the second end of the second fork 22 is increased gradually, until no longer clamp arm pin pull bar 1, arm pin will reinsert in the arm pin-and-hole of adjacent external extension arm under the effect of self return mechanism like this.
From the foregoing, compared with prior art, the structure of pulling pin the crane arm of the embodiment of the present invention can realize the arm pin mode of pulling out of crab jaw type, when arm pin pull bar 1 discharges when not in place, due to the second end of the first fork 12 and the second end of the second fork 22 under initial condition (when cylinder head moves around in telescopic boom) in obvolvent gripping orientation not, the head 10 of arm pin pull bar 1() be difficult for crashing with it, when arm pin pull bar 1 is excessively transferred, due to the line of the second end of the first fork 12 and the second end of the second fork 22 and the space between body 2 large (having omitted the setting of the body of pulling pin), thereby, the head of arm pin pull bar 1() be also difficult for crashing with miscellaneous part, thereby improved crane arm at the reliability that pulls out arm pin process.
It should be noted that, shown in Fig. 2, in specific implementation process, the crane arm of above-described embodiment structure of pulling pin can also be done following one or more optimizations:
One, at the second end of the first fork 12 and the second end of the second fork 22 the first pressing plate 15 and the second pressing plate 25 of not arranging estranged, all for compressing and contact on the surface 101 of contiguous shaft with arm pin pull bar 1 head 10, like this when the distance between the second end of the first fork 12 and the second end of the second fork 22 reaches the first preset value, the first pressing plate 15 and the second pressing plate 25, by compressing respectively the both sides that are contacted with surface 101, move downward so that further promote head 10; Can area of contact larger due to the first pressing plate 15 and the second pressing plate 25, the second end of the second end of such the first fork 12 and the second fork 22 acts on respectively the both sides on the surface 101 of head 10 by the first pressing plate 15 and the second pressing plate 25, can suitably reduce like this position accuracy demand of arm pin pull bar 1 head 10.Alternatively, can also further optimize on this basis, for example, shown in Fig. 3, the first pressing plate 15 and described the second pressing plate 25 are strip and are arranged in parallel; The number of the first bearing 11, the first fork 12, the first driver train 16, the second bearing 21, the second fork 22 and the second driver train 26 is two; The two ends of the first pressing plate 15 are connected to the second end of two the first forks 12, and the two ends of the second pressing plate 25 are connected to the second end of two the second forks 22; Like this, in the course of the work, as long as the head of arm pin pull bar 1 falls into linking in the space between body 2 tops 20 between the first pressing plate 15 and the second pressing plate 25, can clamp and pull downwards.
Two, the first bearing 11, the first fork 12 and the first driver train 16 and the second bearing 21, the second fork 22 and the second driver train 26 are arranged symmetrically, be convenient to like this realize that the head 10 of arm pin pull bar 1 is clamped and being pulled downwards, and contribute to stress equalization.
Three, on the first fork 12, offer the first chute 13 along its length, on the second fork 22, offer the second chute 23 along its length; In the first chute 13 with in the second chute 23, be respectively arranged with the first slide shaft 14 and the second slide shaft 24; The first driver train 16 and the second driver train 26 are respectively used to drive the first slide shaft 14 and the second slide shaft 24 to move towards the top 20 of body 2, by the first driver train 16 and the second driver train 26, adjust respectively position and second slide shaft 24 position second chute 23 in of the first slide shaft 14 in the first chute 13 like this, can realize the clamping of arm pin pull bar 1, pull and discharge.Alternatively, the first chute 13 can adopt the first elongated hole, and the second chute 23 can adopt the second elongated hole.
Four, the first driver train 16 and the second driver train 26 are respectively the first oil cylinder and the second oil cylinder, and the first end of the first end of this first oil cylinder and this second oil cylinder is connected to the first fork 12 and the second fork 22, the second ends are connected to body 2.If under the situation of aforementioned " three " scheme of employing, the first end of the first end of the first oil cylinder and the second oil cylinder is connected to the first slide shaft 14 and the second slide shaft 24, the second end is connected to body 2, this scheme is convenient to the straight-line motion up and down of oil cylinder to be converted into slide shaft moving around in chute, and then realizes the back rotation of coming of fork.
It should be noted that, realizing mode that the first fork 12 and the second fork 22 rotate has variedly, and therefore, the first driver train 16 and the second driver train 16 are not limited in employing oil cylinder, also can adopt other modes, as long as can realize function of the present invention.
Other embodiments of the invention also provide a kind of crane arm, this crane arm comprises a plurality of telescopic booms and is located at telescopic oil cylinder, cylinder head and the arm pin pull bar in telescopic boom, in telescopic boom, be also provided with above-mentioned any crane arm structure of pulling pin, because the above-mentioned crane arm structure of pulling pin has above-mentioned technique effect, therefore, the probability that this crane arm breaks down in the process of pulling pin greatly reduces, the specific implementation process of its appropriate section is similar to the above embodiments, the specific implementation process of other parts can, referring to the associated description of prior art, hereby not repeat.
Other embodiments of the invention also provide a kind of hoisting crane, as car hosit, this hoisting crane is provided with above-mentioned crane arm, because above-mentioned crane arm has above-mentioned technique effect, therefore, this hoisting crane has better transaction capabilities and safety performance, and the specific implementation process of its appropriate section is similar to the above embodiments, the specific implementation process of other parts can, referring to the associated description of prior art, hereby not repeat.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the crane arm structure of pulling pin, is characterized in that:
The described crane arm structure of pulling pin comprises body (2), the first bearing (11), the second bearing (21), the first fork (12), the second fork (22), the first driver train (16) and the second driver train (26);
Described the first bearing (11) and described the second bearing (21) are arranged at intervals at the top (20) of described body (2), the first end of the first end of described the first fork (12) and described the second fork (22) is articulated with described the first bearing (11) and described the second bearing (21) by the first hinge and the second hinge respectively, in the vertical area of the second end of the second end of described the first fork (12) and described the second fork (22) between described the first hinge and described the second hinge;
Described the first driver train (16) and described the second driver train (26) are respectively used to drive described the first fork (12) and described the second fork (22); Distance between the second end of the second end of described the first fork (12) and described the second fork (22) can be blocked the head (10) of arm pin pull bar (1) and provide pulling force for it when being less than the first preset value.
2. the crane arm as claimed in claim 1 structure of pulling pin, it is characterized in that: the second end life of the second end of described the first fork (12) and described the second fork (22) is respectively arranged with the first pressing plate (15) and the second pressing plate (25), for compressing and contact on the surface (101) of contiguous shaft with arm pin pull bar (1) head (10).
3. the crane arm as claimed in claim 2 structure of pulling pin, is characterized in that: described the first pressing plate (15) and described the second pressing plate (25) are strip and are arranged in parallel; The number of described the first bearing (11), described the first fork (12), described the first driver train (16), described the second bearing (21), described the second fork (22) and described the second driver train (26) is two; The two ends of described the first pressing plate (15) are connected to the second end of two described the first forks (12), and the two ends of described the second pressing plate (25) are connected to the second end of two described the second forks (22).
4. the crane arm as claimed in claim 2 structure of pulling pin, is characterized in that: described the first bearing (11), described the first fork (12) and described the first driver train (16) are arranged symmetrically with described the second bearing (21), described the second fork (22) and described the second driver train (26).
5. the structure of pulling pin of the crane arm as described in claim 1 to 4 any one, it is characterized in that: on described the first fork (12), offer the first chute (13) along its length, on described the second fork (22), offer the second chute (23) along its length; In described the first chute (13) and in described the second chute (23), be respectively arranged with the first slide shaft (14) and the second slide shaft (24); Described the first driver train (16) and described the second driver train (26) be respectively used to drive described the first slide shaft (14) and described the second slide shaft (24) towards or mobile away from described body (2).
6. the structure of pulling pin of the crane arm as described in claim 1 to 4 any one, it is characterized in that: described the first driver train (16) and described the second driver train (26) are respectively the first oil cylinder and the second oil cylinder, the first end of the first end of described the first oil cylinder and described the second oil cylinder is connected to described the first fork (12) and described the second fork (22), and the second end is connected to described body (2).
7. the crane arm as claimed in claim 5 structure of pulling pin, is characterized in that: described the first chute (13) is the first elongated hole, and described the second chute (23) is the second elongated hole.
8. a crane arm, comprises a plurality of telescopic booms and is located at telescopic oil cylinder, cylinder head and the arm pin pull bar (1) in telescopic boom, it is characterized in that: in telescopic boom, be also provided with crane arm described in claim 1 to the 7 any one structure of pulling pin.
9. crane arm as claimed in claim 8, is characterized in that: described body (2) is the installation body of described cylinder head.
10. a hoisting crane, is characterized in that: described hoisting crane is provided with the crane arm described in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683960.8A CN103626054B (en) | 2013-12-13 | 2013-12-13 | Cargo beam pull pin structure, crane arm and hoisting crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683960.8A CN103626054B (en) | 2013-12-13 | 2013-12-13 | Cargo beam pull pin structure, crane arm and hoisting crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103626054A true CN103626054A (en) | 2014-03-12 |
| CN103626054B CN103626054B (en) | 2015-10-14 |
Family
ID=50207567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310683960.8A Active CN103626054B (en) | 2013-12-13 | 2013-12-13 | Cargo beam pull pin structure, crane arm and hoisting crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103626054B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093575A (en) * | 2018-08-29 | 2018-12-28 | 上海新奥林汽车传感器有限公司 | A kind of workbench for air quality sensor production |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0967085A (en) * | 1995-08-30 | 1997-03-11 | Komatsu Ltd | Jib connecting device for walking crane |
| JP2000159483A (en) * | 1998-11-24 | 2000-06-13 | Tadano Ltd | Boom telescoping mechanism of mobile crane |
| CN100999298A (en) * | 2006-12-28 | 2007-07-18 | 长沙中联重工科技发展股份有限公司 | Connecting rod type carrying pin inserting mechanism for crane |
| CN101214910A (en) * | 2008-01-21 | 2008-07-09 | 长沙中联重工科技发展股份有限公司 | Transverse double-connecting rod type carrying pin mobile mechanism for crane |
| CN201161879Y (en) * | 2008-01-21 | 2008-12-10 | 长沙中联重工科技发展股份有限公司 | Transverse double-link lever type bearing pin push-pull structure for crane |
| CN101850935A (en) * | 2010-06-22 | 2010-10-06 | 三一汽车起重机械有限公司 | Single-cylinder pin type telescopic arm device and pin interlocking device |
| CN102050393A (en) * | 2010-12-22 | 2011-05-11 | 三一汽车起重机械有限公司 | Telescopic crane and single-cylinder plug pin mechanism |
-
2013
- 2013-12-13 CN CN201310683960.8A patent/CN103626054B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0967085A (en) * | 1995-08-30 | 1997-03-11 | Komatsu Ltd | Jib connecting device for walking crane |
| JP2000159483A (en) * | 1998-11-24 | 2000-06-13 | Tadano Ltd | Boom telescoping mechanism of mobile crane |
| CN100999298A (en) * | 2006-12-28 | 2007-07-18 | 长沙中联重工科技发展股份有限公司 | Connecting rod type carrying pin inserting mechanism for crane |
| CN101214910A (en) * | 2008-01-21 | 2008-07-09 | 长沙中联重工科技发展股份有限公司 | Transverse double-connecting rod type carrying pin mobile mechanism for crane |
| CN201161879Y (en) * | 2008-01-21 | 2008-12-10 | 长沙中联重工科技发展股份有限公司 | Transverse double-link lever type bearing pin push-pull structure for crane |
| CN101850935A (en) * | 2010-06-22 | 2010-10-06 | 三一汽车起重机械有限公司 | Single-cylinder pin type telescopic arm device and pin interlocking device |
| CN102050393A (en) * | 2010-12-22 | 2011-05-11 | 三一汽车起重机械有限公司 | Telescopic crane and single-cylinder plug pin mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 颜颢，张建军: "单缸插销伸缩机构的研究与应用", 《建设机械技术与管理》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093575A (en) * | 2018-08-29 | 2018-12-28 | 上海新奥林汽车传感器有限公司 | A kind of workbench for air quality sensor production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103626054B (en) | 2015-10-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102358582B (en) | Pin-type telescopic arm and telescopic crane | |
| CN203161125U (en) | Retractable arm type ion roughneck | |
| CN102431607B (en) | Lifting clamping device for car door conveying line | |
| CN103832410B (en) | Support foot device and walking machine | |
| AU2014314763A1 (en) | Single-acting pin-type telescoping arm, telescoping method thereof, and crane having the telescoping arm | |
| CN102583195A (en) | Pallet fork mechanism with quick change function | |
| CN102153023A (en) | Safety pin interlocking device for crane, single cylinder safety pin type telescopic arm and crane | |
| CN103626054A (en) | Cargo beam pull pin structure, cargo beam and crane | |
| CN202378996U (en) | Hoist clamping device for door conveying line | |
| CN207925318U (en) | A kind of limit switch protective device | |
| CN109437001A (en) | Automatic In-pot Car Retarder | |
| CN110155879B (en) | Side holding type anti-climbing device | |
| CN112793736A (en) | Moving mechanism and ship lifting system for supporting offshore working platform | |
| CN104227600B (en) | Automobile gauge automatic telescopic clamping positioning mechanism | |
| CN201010372Y (en) | Turnover buffering device of tippler | |
| CN110329196A (en) | A kind of stationary type multidirectional window breaking device | |
| CN213017167U (en) | Weakening connecting assembly, front end frame structure and vehicle | |
| CN204847821U (en) | From steady formula hydraulic grab device | |
| CN210763936U (en) | Safety type lifting hook of crane | |
| CN101214912B (en) | Longitudinal single swing link type carrying pin plug mechanism for crane | |
| CN210889554U (en) | Hydraulic cylinder uide bushing pressure buffer | |
| CN101492145B (en) | Crane hoisting arm expansion self-locking devices with automatic on-off jam plate and methods thereof | |
| CN202529743U (en) | Crawler crane backward-tilting prevention bracket and crane including same | |
| CN206783153U (en) | A kind of crane electric block fall protection equipment with buffer unit | |
| EP3385211A1 (en) | A stabilizer leg device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |