CN212425152U

CN212425152U - Supporting leg retracting oil cylinder device for crane

Info

Publication number: CN212425152U
Application number: CN202021022492.1U
Authority: CN
Inventors: 曾超
Original assignee: Hubei Xiangke Hydraulic Technology Development Co ltd
Current assignee: Hubei Xiangke Hydraulic Technology Development Co ltd
Priority date: 2020-06-07
Filing date: 2020-06-07
Publication date: 2021-01-29
Anticipated expiration: 2030-06-07

Abstract

The utility model belongs to the technical field of the lifting machine, and a landing leg receive and releases hydro-cylinder device for lifting machine is disclosed, including the lifting machine body, the bottom of lifting machine body is seted up flutedly, the inside movable mounting of recess has the lug, the right side fixed mounting of lug has the supporting leg, circular through-hole has been seted up to the front side of lifting machine body, the inside fixed mounting of circular through-hole has positioning mechanism, the constant head tank has been seted up to the rear side of recess inner wall. The utility model discloses a, through the cooperation that sets up crane body, recess, lug, supporting leg, circular through-hole, positioning mechanism, locating piece, traction lever, circular dog, locating lever, carry handle, extrusion spring, constant head tank, circular mating holes, gag lever post, locating hole and circular piece and use, solved and present pack up the problem that the effect is not good, this a landing leg receive and releases hydro-cylinder device for crane possesses and packs up effectual advantage.

Description

Supporting leg retracting oil cylinder device for crane

Technical Field

The utility model belongs to the technical field of the lifting machine, especially, relate to a landing leg receive and releases hydro-cylinder device for lifting machine.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and is also called a crown block, a navigation crane and a crane.

Present crane, in order to satisfy market demand, generally all toward how better lifting by crane and how more the person of facilitating the use optimize in these respects, often neglected whether can be fine pack up the supporting leg, present crane has, the effect of lifting by crane is better and more the person of facilitating the use uses these beneficial parts, but have certain restriction, when normal use, often all pack up the supporting leg through direct utilization hydraulic pressure, such packing up though simple, but the effect of often packing up is not very good, the problem that prior art exists is: the retraction effect is not good.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a landing leg receive and releases hydro-cylinder device for lifting machine possesses and packs up effectual advantage, has solved the current problem that packs up the effect not good.

The utility model discloses a realize like this, a landing leg receive and releases hydro-cylinder device for lifting machine, including the lifting machine body, the bottom of lifting machine body is seted up flutedly, the inside movable mounting of recess has the lug, the right side fixed mounting of lug has the supporting leg, the front side of lifting machine body is opened and is equipped with circular through-hole, the inside fixed mounting of circular through-hole has positioning mechanism, the constant head tank has been seted up to the rear side of recess inner wall.

Preferably, the positioning mechanism comprises a positioning block, the outer surface of the positioning block is fixedly connected with the inner wall of the circular through hole, a draw bar is connected inside the positioning block in a sliding way, a round stop block is fixedly arranged at the rear side of the draw bar, the outer surface of the round block is connected with the inner wall of the round through hole in a sliding way, the rear side of the round block is fixedly provided with a positioning rod, the rear side of the positioning rod penetrates through the circular through hole and extends to the inside of the groove, the rear side of the positioning rod is inserted into the positioning groove, the front side of the traction rod penetrates through the circular through hole and extends to the front side of the crane body, a lifting handle is fixedly arranged on the front side of the traction rod, the outer surface of the traction rod is sleeved with an extrusion spring, the front side of the extrusion spring is fixedly connected with the rear side of the positioning block, and the rear side of the extrusion spring is fixedly connected with the front side of the round check block.

As the utility model discloses it is preferred, circular mating holes have been seted up to the inside of lug, the inner wall of circular mating holes and the surface sliding connection of locating lever.

As the utility model discloses it is preferred, the equal fixed mounting in left top of circular dog and bottom has the gag lever post, the locating hole has been seted up to the inside of locating piece, the surface of two gag lever posts all with the inner wall sliding connection of locating hole.

As the utility model discloses preferred, the equal fixed mounting in left side of two gag lever posts has the circular block, and two circular blocks all are located the left side of locating piece, and the diameter of two circular blocks is all bigger than the diameter of locating hole.

As the utility model discloses preferred, the fixed surface of carrying the pull handle installs the protection and fills up, and the protection fills up for the plastic protection pad.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up crane body, recess, lug, supporting leg, circular through-hole, positioning mechanism, locating piece, traction lever, circular dog, locating lever, carry handle, extrusion spring, constant head tank, circular mating holes, gag lever post, locating hole and circular piece's cooperation and use, solved and currently pack up the problem that the effect is not good, this a landing leg receive and releases hydro-cylinder device for crane possesses and packs up effectual advantage.

2. The utility model discloses a manpower pulling is carried handle and is realized whole positioning mechanism's power supply, because of power can transmit, carry the pull handle in the pulling and drive circular dog through the traction lever and remove, thereby realize giving the power of deformation of extrusion spring, just so can realize pulling out the locating lever from the inside of constant head tank, thereby pull in the inside of circular through-hole with the locating lever, just so can when receiving up the lug, after the time of packing up, because of the power effect be mutual, the extrusion spring also gives a same reaction force of locating lever, just so can realize that the cooperation of locating lever and constant head tank is used, thereby realize fine fixing, make the effectual of packing up.

3. The utility model discloses a circular mating holes has been seted up in the inside of lug, just so can realize using with the cooperation of locating lever, realizes the location, makes the effect of packing up better.

4. The utility model discloses a set up the gag lever post, just so can realize using with the locating hole cooperation that the locating piece is inside to be seted up, just so can realize the movement track of the circular dog of fine restriction, make the effect of location better, the effect of packing up simultaneously is also better.

5. The utility model discloses a there is the circular block at the left side fixed mounting of gag lever post, and the diameter of the diameter ratio locating hole of circular block is big, just so can realize the position of the circular dog of fine restriction, makes the effect of location better, and the effect of packing up simultaneously is also better.

6. The utility model discloses an outer fixed surface at the handle of carrying handle installs the protection and fills up, not only can improve user's hand comfort level like this, also can play the antiskid effect simultaneously, makes the effect of packing up better.

Drawings

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a schematic diagram of a groove provided in an embodiment of the present invention;

FIG. 3 is a perspective view of the projection and the support leg according to the embodiment of the present invention;

fig. 4 is a detailed view of the positioning mechanism provided in the embodiment of the present invention.

In the figure: 1. a crane body; 2. a groove; 3. a bump; 4. supporting legs; 5. a circular through hole; 6. a positioning mechanism; 601. positioning blocks; 602. a draw bar; 603. a circular stopper; 604. positioning a rod; 605. lifting the handle; 606. a compression spring; 7. positioning a groove; 8. a circular mating hole; 9. a limiting rod; 10. positioning holes; 11. a circular block.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the embodiment of the utility model provides a pair of landing leg receive and release hydro-cylinder device for crane, including crane body 1, recess 2 has been seted up to crane body 1's bottom, and recess 2's inside movable mounting has lug 3, and lug 3's right side fixed mounting has supporting leg 4, and the front side of crane body 1 is opened and is equipped with circular through-hole 5, and the inside fixed mounting of circular through-hole 5 has positioning mechanism 6, and the rear side of 2 inner walls of recess is opened and is equipped with constant head tank 7.

Referring to fig. 4, the positioning mechanism 6 includes a positioning block 601, an outer surface of the positioning block 601 is fixedly connected to an inner wall of the circular through hole 5, a drawbar 602 is slidably connected to an inside of the positioning block 601, a circular stopper 603 is fixedly installed at a rear side of the drawbar 602, an outer surface of the circular stopper 603 is slidably connected to an inner wall of the circular through hole 5, a positioning rod 604 is fixedly installed at a rear side of the circular stopper 603, a rear side of the positioning rod 604 penetrates through the circular through hole 5 and extends to an inside of the groove 2, a rear side of the positioning rod 604 is inserted into an inside of the positioning groove 7, a front side of the drawbar 602 penetrates through the circular through hole 5 and extends to a front side of the crane body 1, a lifting handle 605 is fixedly installed at a front side of the drawbar 602, an extrusion spring 606 is sleeved on an outer surface of the drawbar 602, a front side of the extrusion spring 606 is fixedly connected to a.

Adopt above-mentioned scheme: through manpower pulling handle 605 and realizing the power supply of whole positioning mechanism 6, because of power can be transmitted, it removes to drive circular dog 603 through traction lever 602 when handle 605 is carried to the pulling, thereby realize giving the power of a deformation of extrusion spring 606, just so can realize pulling out locating lever 604 from the inside of constant head tank 7, thereby pull in the inside of circular through-hole 5 with locating lever 604, just so can be with when the lug 3 is packed up, after the time spent is packed up, because of the power effect is mutual, extrusion spring 606 also gives locating lever 604 a same reaction force, just so can realize locating lever 604 and constant head tank 7's cooperation and use, thereby realize fine fixed, make the effectual of packing up.

Referring to fig. 3, a circular fitting hole 8 is formed inside the protrusion 3, and an inner wall of the circular fitting hole 8 is slidably connected to an outer surface of the positioning rod 604.

Adopt above-mentioned scheme: circular mating holes 8 are formed in the protruding blocks 3, so that the protruding blocks can be matched with the positioning rods 604 for use, positioning is achieved, and the packing effect is better.

Referring to fig. 4, the top and the bottom of the left side of the circular stopper 603 are both fixedly provided with a limiting rod 9, a positioning hole 10 is formed in the positioning block 601, and the outer surfaces of the two limiting rods 9 are both connected with the inner wall of the positioning hole 10 in a sliding manner.

Adopt above-mentioned scheme: through setting up gag lever post 9, just so can realize using with the locating hole 10 cooperation that locating piece 601 is inside to be seted up, just so can realize the movement track of fine restriction circular dog 603, make the effect of location better, the effect of packing up simultaneously is also better.

Referring to fig. 4, the two stopper rods 9 are fixedly mounted with circular blocks 11 on the left sides thereof, the two circular blocks 11 are located on the left side of the positioning block 601, and the diameters of the two circular blocks 11 are larger than the diameter of the positioning hole 10.

Adopt above-mentioned scheme: through the left side fixed mounting at gag lever post 9 there is circular block 11, and the diameter ratio of circular block 11 is big than the diameter of locating hole 10, just so can realize the position of fine restriction circular dog 603, makes the effect of location better, and the effect of packing up simultaneously is also better.

Referring to fig. 1 and 2, a protective pad is fixedly installed on the outer surface of the lifting handle 605, and the protective pad is a plastic protective pad.

Adopt above-mentioned scheme: the protective pad is fixedly arranged on the outer surface of the lifting handle 605, so that the hand comfort of a user can be improved, an anti-skidding effect can be achieved, and the folding effect is better.

The utility model discloses a theory of operation:

when the positioning mechanism is used, firstly, the power source of the whole positioning mechanism 6 is realized by manually pulling the lifting handle 605, because the force can be transmitted, the round stop block 603 is driven to move by the traction rod 602 while the lifting handle 605 is pulled, so that the force for giving deformation to the extrusion spring 606 is realized, the positioning rod 604 can be pulled out from the inside of the positioning groove 7, the positioning rod 604 is pulled into the inside of the round through hole 5, when the lug 3 is folded, the action of the force is mutual after the lug is folded, the extrusion spring 606 also gives the same reaction force to the positioning rod 604, the matching use of the positioning rod 604 and the positioning groove 7 can be realized, meanwhile, the positioning mechanism can be matched with the positioning hole 10 arranged inside the positioning block 601 for use by arranging the limiting rod 9, and the motion track of the round stop block 603 can be well limited, there is a circular block 11 fixedly mounted on the left side of the limiting rod 9, and the diameter of the circular block 11 is larger than that of the positioning hole 10, so that the position of the circular stop block 603 can be well limited, thereby achieving good fixation and achieving good packing effect.

In summary, the following steps: this a landing leg receive and release oil cylinder device for crane, through setting up crane body 1, recess 2, lug 3, supporting leg 4, circular through-hole 5, positioning mechanism 6, locating piece 601, traction lever 602, circular dog 603, locating lever 604, carry handle 605, extrusion spring 606, constant head tank 7, circular mating holes 8, gag lever post 9, locating hole 10 and circular block 11's cooperation is used, the current problem that the effect is not good of packing up has been solved, this a landing leg receive and release oil cylinder device for crane, possess and pack up effectual advantage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a landing leg receive and releases hydro-cylinder device for crane, includes crane body (1), its characterized in that: the bottom of crane body (1) is seted up flutedly (2), the inside movable mounting of recess (2) has lug (3), the right side fixed mounting of lug (3) has supporting leg (4), the front side of crane body (1) is opened and is equipped with circular through-hole (5), the inside fixed mounting of circular through-hole (5) has positioning mechanism (6), constant head tank (7) are opened to the rear side of recess (2) inner wall.

2. The support leg retracting cylinder device for the crane according to claim 1, wherein: the positioning mechanism (6) comprises a positioning block (601), the outer surface of the positioning block (601) is fixedly connected with the inner wall of a circular through hole (5), a traction rod (602) is connected inside the positioning block (601) in a sliding manner, a circular stop block (603) is fixedly installed on the rear side of the traction rod (602), the outer surface of the circular stop block (603) is connected with the inner wall of the circular through hole (5) in a sliding manner, a positioning rod (604) is fixedly installed on the rear side of the circular stop block (603), the rear side of the positioning rod (604) penetrates through the circular through hole (5) and extends to the inside of the groove (2), the rear side of the positioning rod (604) is inserted into the positioning groove (7), the front side of the traction rod (602) penetrates through the circular through hole (5) and extends to the front side of the crane body (1), and a lifting handle (605) is fixedly installed on the front side of the, the outer surface of the traction rod (602) is sleeved with an extrusion spring (606), the front side of the extrusion spring (606) is fixedly connected with the rear side of the positioning block (601), and the rear side of the extrusion spring (606) is fixedly connected with the front side of the circular stop block (603).

3. The support leg retracting cylinder device for the crane as claimed in claim 2, wherein: circular mating holes (8) are formed in the bumps (3), and the inner walls of the circular mating holes (8) are connected with the outer surface of the positioning rod (604) in a sliding mode.

4. The support leg retracting cylinder device for the crane as claimed in claim 2, wherein: the locating device is characterized in that limiting rods (9) are fixedly mounted at the top and the bottom of the left side of the circular stop block (603), locating holes (10) are formed in the locating block (601), and the outer surfaces of the two limiting rods (9) are connected with the inner walls of the locating holes (10) in a sliding mode.

5. The support leg retracting cylinder device for the crane according to claim 4, wherein: the left sides of the two limiting rods (9) are fixedly provided with circular blocks (11), the two circular blocks (11) are located on the left sides of the positioning blocks (601), and the diameters of the two circular blocks (11) are larger than the diameter of the positioning hole (10).

6. The support leg retracting cylinder device for the crane as claimed in claim 2, wherein: the outer surface of the lifting handle (605) is fixedly provided with a protective pad which is a plastic protective pad.