CN207986547U - The cylinder pin separate type single-cylinder bolt mechanism of crane arm - Google Patents
The cylinder pin separate type single-cylinder bolt mechanism of crane arm Download PDFInfo
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- CN207986547U CN207986547U CN201721629275.7U CN201721629275U CN207986547U CN 207986547 U CN207986547 U CN 207986547U CN 201721629275 U CN201721629275 U CN 201721629275U CN 207986547 U CN207986547 U CN 207986547U
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Abstract
The utility model gives a kind of cylinder pin separate type single-cylinder bolt mechanism of crane arm；It pulls pin component, bracket at tail part and several separate type cylinder pin assemblies including arm pin；The pull pin cylinder body of arm pin oil cylinder with pin of component of arm pin is fixed on telescopic oil cylinder bracket, the piston rod of the arm pin oil cylinder with pin is fixed with pin plate is drawn, pin plate is drawn to be equipped with dovetail groove, one side end of plate of pulling pin is equipped with the boss that coordinates with dovetail groove, and the arm pin of pull pin the plate other side and crane arm is fixed；Bracket at tail part is fixed on the telescopic oil cylinder bracket of crane arm, separate type cylinder pin assemblies include cylinder pin, resetting spring and magnechuck, the telescopic oil cylinder bracket side wall of crane arm is provided with cotter way, magnechuck is mounted in cotter way bottom, cylinder pin outer wall is equipped with position limiting convex ring, and resetting spring is between position limiting convex ring and cavity cavity wall.The cylinder pin separate type single-cylinder bolt mechanism of this crane arm utilizes the elastic force of the gravitation and resetting spring by electromagnet, so that cylinder pin is coordinated with telescoping mechanism and arm, has the characteristics that compact-sized, safe.
Description
Technical field
The utility model is related to a kind of single-cylinder bolt mechanism of crane arm, more particularly to the cylinder pin of a kind of crane arm detaches
Formula single-cylinder bolt mechanism.
Background technology
Crane is widely used in engineering construction and equipment hoisting field, and crane arm is the important composition component of crane,
Usual medium and small tonnage crane is up to five joint arms, and hoister in large tonnage is generally no less than six joint arms, and medium and small tonnage crane is adopted
With rope formula telescoping mechanism, hoister in large tonnage uses single-cylinder bolt type telescopic mechanism, bolt used by hoister in large tonnage
Mechanism generally comprises cylinder pin assemblies and arm pin is pulled pin component, cylinder pin assemblies are by components groups such as cylinder pin oil cylinder, cavity and fluid pressure lines
At arm pin pulls pin component including drawing the components such as pin plate and arm pin oil cylinder with pin composition.
Now in order to promote the lifting performance of medium and small tonnage crane, increases the full elongation of its arm, need medium and small
Using single-cylinder bolt mechanism in tonnage crane；But the arm section of medium and small tonnage crane is small, above-mentioned single-cylinder bolt mechanism
It is difficult to arrange, limits the joint number and length of medium and small tonnage crane boom to a certain extent, therefore, how in medium and small ton
It is urgent to become the medium and small tonnage crane lifting performance institute of raising for the suitable single-cylinder bolt mechanism of installation in the crane arm of position crane
The technical issues of solution.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of crane arms for being suitble to be arranged in small bore arm
Cylinder pin separate type single-cylinder bolt mechanism.
In order to solve the above technical problems, the utility model provides a kind of cylinder pin separate type single-cylinder bolt machine of crane arm
Structure；
It pulls pin component and several separate type cylinder pin assemblies including arm pin；
Arm pin component of pulling pin is on the telescopic oil cylinder bracket of crane arm, and arm pin component of pulling pin includes drawing pin plate and several
The cylinder body of arm pin oil cylinder with pin, the arm pin oil cylinder with pin is fixed on telescopic oil cylinder bracket, the work of the arm pin oil cylinder with pin
Stopper rod is fixed with pin plate is drawn, and pin plate is drawn to be equipped with the dovetail groove with the plate cooperation of pulling pin of arm pin；
The separate type cylinder pin assemblies include cylinder pin, resetting spring and magnechuck, the telescopic oil cylinder bracket side of crane arm
Wall is provided with the cotter way coordinated with cylinder pin, and magnechuck is mounted in cotter way bottom, and cylinder pin coordinates with magnechuck, and cylinder pin outer wall is equipped with limit
Position bulge loop, resetting spring are sleeved on the outer wall of cylinder pin；
There is cavity, cylinder pin and resetting spring all in cavity in the bracket at tail part of crane arm, the cavity of bracket at tail part
Both sides cavity wall be respectively equipped with for cylinder pin both ends by pin hole, one end of resetting spring is resisted against on position limiting convex ring, resetting spring
The other end be resisted against in the cavity cavity wall close to telescopic oil cylinder bracket side.
After such structure, the cylinder pin separate type single-cylinder bolt mechanism of this crane arm utilizes drawing by electromagnet
The elastic force of power and resetting spring makes cylinder pin coordinate with telescoping mechanism and arm.
The advantageous effects of the utility model are：1, compact-sized, it is small, can on the arm of reduced size cloth
The mechanism is set, to allow medium and small tonnage to arrange the even more joint arms of six joint arms, to promote complete machine wherein performance；2, cylinder pin
Mounted on telescopic arm tail portion, the width dimensions of lazy arm telescopic mechanism can be effectively reduced.
For the clearer technology contents for understanding the utility model, below by the cylinder pin separate type single-cylinder of this crane arm
Bolt mechanism is referred to as this bolt mechanism.
The telescopic oil cylinder bracket of this bolt mechanism is provided with several locking holes, and the locking hole is corresponded with the cotter way,
Locking hole extends on corresponding cotter way cell wall, and the arm pin oil cylinder with pin is two-way cylinder, the cylinder of the arm pin oil cylinder with pin
Fixed between body and telescopic oil cylinder bracket, the arm pin oil cylinder with pin side piston rod end is fixed with pin plate is drawn, the arm pin
Oil cylinder with pin other side piston rod end is stretched into corresponding locking hole；
The cylinder pin side wall of separate type cylinder pin assemblies is provided with the limiting slot coordinated with arm pin oil cylinder with pin piston rod end.
After such structure, the side piston rod of arm pin oil cylinder with pin coordinates after locking hole with limiting slot, from
And locking cylinder pin, it prevents cylinder pin out of stock in mechanical structure, cylinder pin is locked by plate of pulling pin, realize interlocking, securely and reliably.
It is provided with through-hole on far from telescopic oil cylinder bracket side cavity wall in cavity in this bolt mechanism, the aperture of through-hole is big
In the position limiting convex ring outer diameter of cylinder pin, through hole cooperation is equipped with mounting ring, and mounting ring bore inner diameter is more than cylinder pin outer wall, mounting ring
Bore inner diameter be less than the position limiting convex ring outer diameter of cylinder pin, mounting ring endoporus is constituted in cavity far from telescopic oil cylinder bracket one
Pin hole on side chamber wall.
After such structure, the structure of pin hole is more reasonable, is convenient for subsequent industrialized production and processing.
Description of the drawings
Fig. 1 is the stereogram of this bolt mechanism embodiment.
Fig. 2 is the sectional view of this bolt mechanism embodiment front view in the initial state.
Fig. 3 is the sectional view of this bolt mechanism embodiment front view in the operating condition.
Fig. 4 is the portions the A enlarged drawing of Fig. 3.
Specific implementation mode
As shown in Figures 1 to 4.
This bolt mechanism is in inside crane arm, this bolt mechanism includes that arm pin is pulled pin component, two bracket at tail part 1 and two
Group separate type cylinder pin assemblies.
Two bracket at tail part 1 are respectively at 2 arranged on left and right sides of telescopic oil cylinder bracket in crane arm, and two bracket at tail part 1 are set
There are the sliding rail moved back and forth for telescopic oil cylinder bracket 2, bracket at tail part 1 to be welded on crane arm inner wall, tool in each bracket at tail part 1
There is cavity 11.
Cotter way 21,2 upper end of telescopic oil cylinder bracket are had on the 2 arranged on left and right sides side wall of telescopic oil cylinder bracket of crane arm
Face is opened there are two locking hole 22, and two locking holes 22 and two cotter ways 21 correspond, and locking hole 22 extends to corresponding cotter way
On 21 cell walls.
Arm pin component of pulling pin is in the upside of telescopic oil cylinder bracket 2 of crane arm, and arm pin component of pulling pin includes drawing 32 and of pin plate
Two arm pin oil cylinder with pin 31, two arm pin oil cylinder with pin 31 are all two-way cylinders, and the cylinder body of arm pin oil cylinder with pin 31 is fixed on
On 2 corresponding locking hole of telescopic oil cylinder bracket, 22 hole wall, a piston rod end of arm pin oil cylinder with pin 31 is welded with pin plate 32 is drawn
Fixation is connect, 31 another piston rod end of arm pin oil cylinder with pin alignment cotter way, 21 direction draws 32 upper surface of pin plate to be equipped with swallow
Stern notch 32a, 33 1 side end of plate of pulling pin are equipped with the boss 33a with dovetail groove 32a cooperation, pull pin 33 other side of plate and crane arm
Arm pin connection.
Two bracket at tail part 1 and two groups of separate type cylinder pin assemblies correspond, and separate type cylinder pin assemblies include cylinder pin 42, answer
Position spring 43 and magnechuck 41, magnechuck 41 are mounted in 21 bottom of cotter way, and the depth of cotter way 21 is more than the thickness of magnechuck 41
Degree, magnechuck 41 is for being attracted cylinder pin 42, and magnechuck 41 is connect with external power supply, and 42 end of cylinder pin can be stretched into
In cotter way 21, cylinder pin 42 is in the cavity 11 of corresponding bracket at tail part 1, and the length of cylinder pin 42 is more than cavity 11 in left and right side
Upward width.
The 11 arranged on left and right sides cavity wall of cavity of the bracket at tail part 1 be respectively equipped with for 42 both ends of cylinder pin by pin hole, wherein
It is in the pin-and-hole structure far from 2 side cavity wall of telescopic oil cylinder bracket in cavity 11：In cavity 11 far from telescopic oil cylinder support
Through-hole is provided in 2 side cavity wall of frame, the aperture of through-hole is more than the position limiting convex ring 42b outer diameters of cylinder pin 42, and through hole cooperation is equipped with
Mounting ring 11c, mounting ring 11c bore inner diameters are more than 42 outer wall of cylinder pin, and the bore inner diameter of mounting ring 11c is less than the limit of cylinder pin 42
Bulge loop 42b outer diameters, mounting ring 11c endoporus are constituted in cavity 11 far from the pin hole in 2 side cavity wall of telescopic oil cylinder bracket.
42 side wall of cylinder pin is provided with the limiting slot 42a coordinated with 31 piston rod end of arm pin oil cylinder with pin, and 42 outer wall of cylinder pin is set
There are position limiting convex ring 42b, resetting spring 43 to be sleeved on the outer wall of cylinder pin 42, one end of resetting spring 43 is resisted against position limiting convex ring
On 42b, the other end of resetting spring 43 is resisted against in 11 cavity wall of cavity of 2 side of telescopic oil cylinder bracket.
When semi-girder, telescopic oil cylinder finds target-arm first, when the cylinder pin 42 and 41 center pair of magnechuck of this bolt mechanism
Qi Hou, external controller signal to magnechuck 41, and magnechuck 41 must be electric, generate strong magnetic force, and cylinder pin 42 is inhaled in electromagnetism
Under the attraction of disk the last 41 magnetic force, cylinder pin 42 overcomes the elastic force of resetting spring 43, cylinder pin 42 to be contracted to the cavity 11 of bracket at tail part 1
Interior, cylinder pin 42 and the arm of its locking are detached from；
The telescopic oil cylinder of crane arm continues to stretch out, when the pressure sensor on this bolt mechanism senses pressure
When, telescopic oil cylinder continues to extend out to arm pin and the arm of its locking is detached from, and plate 33 of pulling pin is pulled pin.
When arm pin is pulled pin in place, one end of arm pin oil cylinder with pin 31 is inserted into the limiting slot 42a on cylinder pin 42, to locking
Cylinder pin 42 prevents cylinder pin 42 out of stock in mechanical structure, this bolt mechanism is in running order at this time, then telescopic oil cylinder with
After telescopic arm reaches target position, arm pin is put, when arm pin is not inserted into corresponding arm pin hole, the still locking cylinder pin 42 of plate 33 of pulling pin,
The abjection for preventing cylinder pin 42, when arm pin is inserted into corresponding arm pin hole, piston rod and the cylinder pin 42 of arm pin oil cylinder with pin 31 are detached from,
Then controller signals to magnechuck 41, and 42 magnechuck of cylinder pin, 41 dead electricity is made in the elastic force of 42 resetting spring 43 of cylinder pin
Under, cylinder pin 42 resets, this bolt mechanism returns to original state at this time, and stretch is completed.
When contracting arm, telescopic oil cylinder finds target-arm first, when 42 magnechuck of cylinder pin, the 41 cylinder pin 42 of telescopic oil cylinder bracket 2
After the alignment of center, controller signals to magnechuck 41, and magnechuck 41 must be electric, generates strong magnetic force, cylinder pin 42 is in cylinder pin 42
Under the attraction of magnechuck the last 41 magnetic force, the elastic force of 42 resetting spring 43 of cylinder pin, cylinder pin 42 is overcome to be contracted to the sky of bracket at tail part 1
In chamber 11, cylinder pin 42 and the arm of its locking are detached from, and then telescopic oil cylinder continues to stretch out, when the pressure on this bolt mechanism
When sensor sensing is to pressure, telescopic oil cylinder continues to extend out to arm pin and the arm of its locking is detached from, and plate 33 of pulling pin is pulled pin, and arm pin pulls out
When selling in place, one end of arm pin oil cylinder with pin 31 is inserted into the limiting slot 42a on cylinder pin 42, to locking cylinder pin 42, in machinery
Prevent cylinder pin 42 out of stock in structure, this bolt mechanism is in running order at this time；
Then after telescopic oil cylinder reaches target position with telescopic arm, arm pin is put, when arm pin is not inserted into corresponding arm pin hole,
It pulls pin the still locking cylinder pin 42 of plate 33, prevents the abjection of cylinder pin 42.When arm pin is inserted into corresponding arm pin hole, arm pin oil cylinder with pin
31 piston rod is detached from cylinder pin 42, and then controller signals to magnechuck 41,42 magnechuck of cylinder pin, 41 dead electricity, in cylinder
Under the elastic force effect of 42 resetting spring 43 of pin, cylinder pin 42 resets, this bolt mechanism returns to original state at this time, and contracting arm has acted
At.
Above-described is only a kind of embodiment of the utility model, it is noted that for the ordinary skill of this field
For personnel, without departing from the principle of this utility model, several variations and modifications can also be made, these also should be regarded as
Belong to the scope of protection of the utility model.
Claims (3)
1. a kind of cylinder pin separate type single-cylinder bolt mechanism of crane arm, it is characterized in that：
It pulls pin component and several separate type cylinder pin assemblies including arm pin；
Arm pin pulls pin component on the telescopic oil cylinder bracket of crane arm, and arm pin pulls pin component including drawing pin plate and several arm pins
The cylinder body of oil cylinder with pin, the arm pin oil cylinder with pin is fixed on telescopic oil cylinder bracket, the piston rod of the arm pin oil cylinder with pin
It is fixed with pin plate is drawn, pin plate is drawn to be equipped with the dovetail groove with the plate cooperation of pulling pin of arm pin；
The separate type cylinder pin assemblies include cylinder pin, resetting spring and magnechuck, and the telescopic oil cylinder bracket side wall of crane arm is opened
There are the cotter way coordinated with cylinder pin, magnechuck to be mounted in cotter way bottom, cylinder pin coordinates with magnechuck, and cylinder pin outer wall is equipped with limit convex
Ring, resetting spring are sleeved on the outer wall of cylinder pin；
There is cavity, cylinder pin and resetting spring all in cavity in the bracket at tail part of crane arm, the cavity both sides of bracket at tail part
Cavity wall be respectively equipped with for cylinder pin both ends by pin hole, one end of resetting spring is resisted against on position limiting convex ring, resetting spring it is another
One end is resisted against in the cavity cavity wall of telescopic oil cylinder bracket side.
2. the cylinder pin separate type single-cylinder bolt mechanism of crane arm according to claim 1, it is characterized in that：
The telescopic oil cylinder bracket is provided with several locking holes, and the locking hole is corresponded with the cotter way, and locking hole extends to
On corresponding cotter way cell wall, the arm pin oil cylinder with pin is two-way cylinder, the cylinder body and telescopic oil cylinder of the arm pin oil cylinder with pin
Fixed between bracket, the arm pin oil cylinder with pin side piston rod end is fixed with pin plate is drawn, and the arm pin oil cylinder with pin is another
Side piston boom end stretches into corresponding locking hole；
The cylinder pin side wall of separate type cylinder pin assemblies is provided with the limiting slot coordinated with arm pin oil cylinder with pin piston rod end.
3. the cylinder pin separate type single-cylinder bolt mechanism of crane arm according to claim 1, it is characterized in that：
Through-hole is provided on far from telescopic oil cylinder bracket side cavity wall in cavity, the aperture of through-hole is more than the position limiting convex ring of cylinder pin
Outer diameter, through hole cooperation are equipped with mounting ring, and mounting ring bore inner diameter is more than cylinder pin outer wall, and the bore inner diameter of mounting ring is less than cylinder
The position limiting convex ring outer diameter of pin, mounting ring endoporus are constituted in cavity far from the pin hole in the cavity wall of telescopic oil cylinder bracket side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629275.7U CN207986547U (en) | 2017-11-29 | 2017-11-29 | The cylinder pin separate type single-cylinder bolt mechanism of crane arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629275.7U CN207986547U (en) | 2017-11-29 | 2017-11-29 | The cylinder pin separate type single-cylinder bolt mechanism of crane arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207986547U true CN207986547U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721629275.7U Active CN207986547U (en) | 2017-11-29 | 2017-11-29 | The cylinder pin separate type single-cylinder bolt mechanism of crane arm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107826999A (en) * | 2017-11-29 | 2018-03-23 | 安徽柳工起重机有限公司 | The cylinder pin separate type single-cylinder bolt mechanism of crane arm |
| CN110273975A (en) * | 2019-06-28 | 2019-09-24 | 潍柴动力股份有限公司 | Flywheel ring gear component |
-
2017
- 2017-11-29 CN CN201721629275.7U patent/CN207986547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107826999A (en) * | 2017-11-29 | 2018-03-23 | 安徽柳工起重机有限公司 | The cylinder pin separate type single-cylinder bolt mechanism of crane arm |
| CN110273975A (en) * | 2019-06-28 | 2019-09-24 | 潍柴动力股份有限公司 | Flywheel ring gear component |
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