CN217539246U

CN217539246U - Fixed pin shaft for brake pushing cylinder of gantry crane cart

Info

Publication number: CN217539246U
Application number: CN202220913073.XU
Authority: CN
Inventors: 乔建成; 杨壮; 李源; 张卫东
Original assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Current assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-10-04
Anticipated expiration: 2032-04-20

Abstract

The utility model relates to the technical field of pin shafts, and discloses a fixed pin shaft for a brake pushing cylinder of a gantry crane cart, which comprises a frame and a pushing cylinder arranged on one side of the frame, wherein a fixing mechanism is commonly connected between the pushing cylinder and the frame; the fixing mechanism comprises a shaft sleeve, the shaft sleeve is arranged under the pushing cylinder, the shaft sleeve is fixedly connected onto the side wall of the rack through three positioning screws, a supporting plate is movably arranged on one side, away from the rack, of the shaft sleeve, the supporting plate is fixedly connected to the lower end of the pushing cylinder, supporting holes are formed in the supporting plate corresponding to the position of the shaft sleeve, guide holes are formed in the rack corresponding to the position of the shaft sleeve, matched pin shafts are inserted into the guide holes, the shaft sleeve and the supporting holes jointly, inserting holes are formed in the shaft wall of each pin shaft symmetrically, and inserting pins are inserted into the two inserting holes respectively. The utility model discloses need not to dismantle three fixed screw when changing the round pin axle, save the activity duration, reduce the maintenance spare parts cost, optimize the operation flow, reduced the spare parts cost.

Description

Fixed pin shaft for brake pushing cylinder of gantry crane cart

Technical Field

The utility model relates to a round pin axle technical field especially relates to a fixed pin axle that is used for gantry crane cart stopper to push away jar.

Background

A gantry crane (gantry crane) is a gantry type crane in which a horizontal bridge is arranged on two legs to form a gantry shape. Such cranes are operated on ground rails and are mainly used for carrying and installing work in open storage yards, docks, power stations, harbors, railway freight stations and the like.

Gantry crane cart stopper hydraulic pressure pushes away jar fixed pin axle one end and axle sleeve and fixes on the base with three fixed screw, the round pin axle other end uses the split pin, gantry crane cart stopper hydraulic pressure pushes away jar base round pin axle beading on the fixed axle sleeve, when the round pin axle is changed in round pin axle wearing and tearing, must link axle sleeve and change, increase spare parts cost, and it is complicated to change the flow, must demolish 3 fixed screw and just can take off the round pin axle, inconvenient dismantlement, and round pin axle and axle sleeve welding department open the welding easily, the round pin axle is deviate from after opening the welding, make hydraulic pressure push away the bottom of the jar no strong point, it does not work to push away the jar, the stopper is opened and is caused the cart can not normal operating.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a fixed pin shaft for a brake pushing cylinder of a gantry crane cart.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fixed pin shaft for a brake push cylinder of a gantry crane cart comprises a rack and a push cylinder arranged on one side of the rack, wherein a fixing mechanism is connected between the push cylinder and the rack;

the fixing mechanism comprises a shaft sleeve, the shaft sleeve is arranged under the pushing cylinder and is fixedly connected to the side wall of the rack through three positioning screws, a supporting plate is movably arranged on one side, away from the rack, of the shaft sleeve, a supporting plate is fixedly connected to the lower end of the pushing cylinder, a supporting hole is formed in the position, corresponding to the shaft sleeve, of the supporting plate, a guide hole is formed in the position, corresponding to the shaft sleeve, of the rack, matched pin shafts are inserted into the guide hole, the shaft sleeve and the supporting hole in a penetrating mode, inserting holes are symmetrically formed in the shaft wall of each pin shaft, two inserting pins are inserted into the inserting holes respectively, and the two inserting pins located outside the pin shafts are movably arranged on one side, away from the shaft sleeve, of the rack and the supporting plate respectively.

Preferably, the pushing cylinder is symmetrically and fixedly connected with L-shaped clamping blocks on one side close to the rack, L-shaped clamping grooves are formed in the position, corresponding to the clamping blocks, of one side, close to the pushing cylinder, of the rack, and the clamping blocks are inserted into the clamping grooves.

Preferably, the three positioning screws are annularly distributed on the shaft sleeve by taking the pin shaft as a center.

Preferably, a gasket is arranged between the shaft sleeve and the supporting plate and sleeved on the pin shaft.

Preferably, the latch comprises a cotter pin.

Preferably, a magnet is connected to a bottom groove wall of the clamping groove, an iron block is connected to one side, away from the pushing cylinder, of the clamping block, and the magnet is connected with the iron block.

Compared with the prior art, the utility model provides a fixed pin axle that is used for gantry crane cart stopper to push away jar possesses following beneficial effect:

1. this a fixed pin axle for gantry crane cart stopper pusher cylinder when needing to be changed the round pin axle, extracts two bolts from two jacks, can change the round pin axle of renewing, need not to dismantle three fixed screw, saves the activity duration, and the axle sleeve need not to be changed, reduces the maintenance spare parts cost, optimizes the operation flow.

2. This a fixed pin axle for gantry crane cart stopper pushes away jar prevents to push away the jar and takes place to deflect around the round pin axle when inserting the screens piece in the screens groove to pushing away the jar and supporting.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses need not to dismantle three fixed screw when changing the round pin axle, save activity duration, reduce maintenance spare parts cost, optimize the operation flow, reduced the spare parts cost.

Drawings

Fig. 1 is a schematic view of a fixed pin shaft for a brake pushing cylinder of a gantry crane cart provided by the utility model;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a schematic structural view of a connecting part of a fixed pin shaft middle frame and a pushing cylinder of a brake pushing cylinder of a gantry crane provided by the utility model;

FIG. 4 is an enlarged view of portion A of FIG. 1;

FIG. 5 is an enlarged view of portion B of FIG. 2;

fig. 6 is an enlarged view of a portion C of fig. 3.

In the figure: 1. a frame; 2. pushing the cylinder; 3. a shaft sleeve; 4. a set screw; 5. a support plate; 6. a support hole; 7. a guide hole; 8. a pin shaft; 9. a jack; 10. a bolt; 11. a card position block; 12. a clamping groove; 13. a magnet; 14. and (4) an iron block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, a fixed pin axle that is used for gantry crane cart stopper to push away jar, including frame 1 and the jar 2 that pushes away that sets up in frame 1 one side, it is connected with fixed establishment jointly between jar 2 and the frame 1 to push away, fixed establishment includes axle sleeve 3, axle sleeve 3 sets up under pushing away jar 2, and axle sleeve 3 is through 4 fixed connection of three set screw on the lateral wall of frame 1, three set screw 4 uses round pin axle 8 to be the annular distribution setting on axle sleeve 3 as the center, fix axle sleeve 3 in frame 1 through which set screw 4.

Referring to fig. 1-4, a supporting plate 5 is movably arranged on one side of the shaft sleeve 3 away from the frame 1, the supporting plate 5 is fixedly connected to the lower end of the pushing cylinder 2, a supporting hole 6 is formed in the position, corresponding to the shaft sleeve 3, of the supporting plate 5, and a guide hole 7 is formed in the position, corresponding to the shaft sleeve 3, of the frame 1.

Guide hole 7, it has assorted round pin axle 8 to alternate jointly in axle sleeve 3 and the supported hole 6, jack 9 has been seted up to the symmetry on the axle wall of round pin axle 8, it has bolt 10 to alternate respectively in two jacks 9, bolt 10 includes the split pin, two bolt 10 that lie in the round pin axle 8 outside move about respectively set up in frame 1 and backup pad 5 one side of keeping away from axle sleeve 3, fix the position of round pin axle 8 through two bolt 10, prevent that round pin axle 8 from taking place to remove, be equipped with the packing ring between axle sleeve 3 and the backup pad 5, the packing ring cover is established on round pin axle 8.

Referring to fig. 5-6, an L-shaped clamping block 11 is symmetrically and fixedly connected to one side of the push cylinder 2 close to the frame 1, an L-shaped clamping groove 12 is formed in a position, corresponding to the clamping block 11, of one side of the frame 1 close to the push cylinder 2, the clamping block 11 is inserted into the clamping groove 12, a magnet 13 is connected to a bottom groove wall of the clamping groove 12, an iron block 14 is connected to one side, away from the push cylinder 2, of the clamping block 11, the magnet 13 is connected with the iron block 14, the push cylinder 2 is prevented from deflecting around the pin shaft 8, and when the pin shaft 8 is replaced, the push cylinder 2 is supported by the clamping block 11 inserted into the clamping groove 12.

The working principle is as follows: when the pin shaft 8 needs to be replaced, the two pins 10 are directly exerted with pulling force, the two pins 10 are pulled out from the two insertion holes 9, then the pin shaft 8 can be pulled out from the guide hole 7, the shaft sleeve 3 and the support hole 6, a new pin shaft 8 is replaced again, the two pins 10 are inserted into the two insertion holes 9 of the new pin shaft 8 to fix the position of the pin shaft 8, three fixing screws do not need to be dismounted, the operation time is saved, the shaft sleeve 3 does not need to be replaced, the cost of maintenance spare parts is reduced, and the operation flow is optimized; the clamping block 11 on the push cylinder 2 is inserted into the clamping groove 12, so that the push cylinder 2 is prevented from deflecting around the pin shaft 8, and the push cylinder 2 is supported by the clamping block 11 inserted into the clamping groove 12 when the pin shaft 8 is replaced.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A fixed pin shaft for a brake push cylinder of a gantry crane cart comprises a rack and a push cylinder arranged on one side of the rack, and is characterized in that a fixing mechanism is connected between the push cylinder and the rack;

2. The fixed pin shaft for the cart brake push cylinder of the gantry crane according to claim 1, wherein the push cylinder is symmetrically and fixedly connected with L-shaped clamping blocks at one side close to the frame, L-shaped clamping grooves are formed in the frame at positions corresponding to the clamping blocks at one side close to the push cylinder, and the clamping blocks are inserted into the clamping grooves.

3. The fixed pin shaft for the cart brake cylinder of the gantry crane according to claim 1, wherein three of said set screws are annularly distributed on the sleeve centering on the pin shaft.

4. The fixed pin shaft for the brake push cylinder of the gantry crane cart according to claim 1, wherein a gasket is arranged between the shaft sleeve and the support plate, and the gasket is sleeved on the pin shaft.

5. The securing pin for a gantry crane truck brake jack according to claim 1, wherein said latch comprises a cotter pin.

6. The fixed pin shaft for the brake push cylinder of the gantry crane truck as claimed in claim 2, wherein a magnet is connected to a bottom slot wall of the detent slot, an iron block is connected to a side of the detent block away from the push cylinder, and the magnet is connected to the iron block.