CN211624084U

CN211624084U - Counter weight mechanism of pipe crane with adjustable weight

Info

Publication number: CN211624084U
Application number: CN201922340572.5U
Authority: CN
Inventors: 潘丹丹; 丁美莲; 尚君辉
Original assignee: Construction Machinery Branch of XCMG
Current assignee: Construction Machinery Branch of XCMG
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-10-02
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a counter weight mechanism of a pipe crane with adjustable weight, which belongs to the technical field of hoisting and comprises a mounting bracket and counter weights arranged at the two sides of the mounting bracket; the balancing weight comprises a plurality of first balancing weights and a plurality of second balancing weights, and the first balancing weights are connected with the second balancing weights through countersunk bolts. The utility model discloses a balancing weight combination is convenient, uses the flexibility high, and assembly efficiency is high.

Description

Counter weight mechanism of pipe crane with adjustable weight

Technical Field

The utility model belongs to the technical field of hoist and mount, concretely relates to adjustable weight pipe hanger counter weight mechanism.

Background

The pipe crane is an important construction device in petroleum and natural gas pipeline construction, is mainly used for pipe arrangement, butt joint and ditch descending operation of large-diameter pipes, and has the characteristics of large lifting capacity, heavy-weight walking and the like. The counterweight mechanism is one of main components of the pipe crane, is connected with the platform structure through a pin shaft, realizes counterweight amplitude variation through the extension and retraction of the oil cylinder, and realizes the switching between the working state and the transportation state. The pipe crane is required to be firstly disassembled to the balancing weight and then installed to the next working position due to the limitation of transportation weight and the like when being transported in a transition.

The existing pipe crane counterweight block is divided into different single-block forms, the combination form is single, the installation efficiency is low, and the requirement on the hoisting performance of the auxiliary crane is high. One of the balancing weights is formed by cutting plates, the weight of a single balancing weight is light, the requirement on the performance of an auxiliary vehicle on a construction site is low, but a large number of balancing weights are needed when the balancing weights are used, time and labor are consumed for mounting one by one, and the assembly efficiency is low; the other type of balancing weight block has large weight, only two balancing weight blocks are needed for the whole vehicle, the requirement on the performance of the auxiliary vehicle on a construction site is high, and the construction cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide an adjustable weight pipelayer counter weight mechanism, it is convenient that the balancing weight combination uses the flexibility high, and assembly efficiency is high.

The utility model provides a following technical scheme:

a counter weight mechanism of a pipe hoist with adjustable weight comprises a mounting bracket and counter weights arranged on two sides of the mounting bracket; the balancing weight comprises a plurality of first balancing weights and a plurality of second balancing weights, and the first balancing weights are connected with the second balancing weights through countersunk bolts.

Preferably, first balancing weight is equipped with first screw hole and the first counter sink that runs through, the second balancing weight is equipped with second screw hole and the second counter sink that runs through, the position and the shape of first counter sink and second screw hole correspond, the position and the shape of second counter sink and first screw hole correspond.

Preferably, the center of the balancing weight is provided with a long strip-shaped mounting hole.

Preferably, the mounting bracket comprises a cross beam, shaft seats fixed on two sides of the cross beam, and a mounting shaft fixed on the shaft seats, and the mounting shaft penetrates through the mounting hole and is fixedly connected with the balancing weight.

Preferably, the both ends of installation axle are equipped with the erection column, the inside screw hole that is equipped with of erection column, the both ends of mounting hole are equipped with and hold the arc hole that the erection column passed, arc hole and threaded hole are downthehole to install the bolt.

Preferably, a check ring is arranged between the balancing weight and the bolt.

Preferably, a flat pad and an elastic pad are sequentially arranged between the check ring and the bolt.

Preferably, reinforcing holes corresponding to the positions of the balancing weight and the shaft seat are formed in the balancing weight and the shaft seat, and a compression stud is installed in each reinforcing hole and fixed through the compression bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the counterweight blocks comprise a plurality of first counterweight blocks and a plurality of second counterweight blocks, the first counterweight blocks and the second counterweight blocks are connected by adopting countersunk bolts, single block assembly or multi-block combined assembly can be flexibly selected according to needs, the assembly form is simple, the efficiency is high, and the requirement on the performance of auxiliary vehicles on a construction site is low; in addition, can be according to the user demand, the quantity of having selected first balancing weight and second balancing weight in advance and installation form complete balancing weight, only need during the field installation with the balancing weight assembly of installing on the pipelayer can, assembly efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a side view of the weight;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of the connection structure of the first weight member and the second weight member in FIG. 3;

fig. 5 is a schematic diagram of the explosion structure of the present invention;

FIG. 6 is an enlarged view of the mounting structure of the weight of FIG. 5;

labeled as: 1. a cross beam; 2. a shaft seat; 3. installing a shaft; 4. mounting a bracket; 5. mounting a column; 6. a balancing weight; 61. a first weight block; 62. a second counterweight block; 63. a first threaded hole; 64. a first counterbore; 65. a countersunk bolt; 66. a second threaded hole; 67. a second counterbore; 7. a retainer ring; 8. a bolt; 9. flattening the cushion; 10. a spring pad; 11. compressing the stud; 12. a hold-down bolt; 13. mounting holes; 14. reinforcing holes; 15. an arc-shaped hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-4, a counterweight mechanism of a pipe hoist with adjustable weight comprises a mounting bracket 4 and counterweights 6 arranged at two sides of the mounting bracket 4; the balancing weight 6 comprises a plurality of first balancing weights 61 and a plurality of second balancing weights 62, and the first balancing weights 61 and the second balancing weights 62 are connected by countersunk bolts 65.

As shown in fig. 1 to 4, the first weight block 61 is provided with a first threaded hole 63 and a first countersunk hole 64 therethrough, the second weight block 62 is provided with a second threaded hole 66 and a second countersunk hole 67 therethrough, the first countersunk hole 64 corresponds to the second threaded hole 66 in position and shape, and the second countersunk hole 67 corresponds to the first threaded hole 63 in position and shape.

As shown in fig. 5 and 6, a long strip-shaped mounting hole 13 is formed in the center of the weight member 6. The mounting bracket 4 comprises a cross beam 1, shaft seats 2 fixed on two sides of the cross beam 1 and a mounting shaft 3 fixed on the shaft seats 2, wherein the mounting shaft 3 penetrates through a mounting hole 13 and is fixedly connected with a balancing weight 6.

As shown in fig. 2, 5, 6, the both ends of installation axle 3 are equipped with erection column 5, and the inside screw hole that is equipped with of erection column 5, the both ends of mounting hole 13 are equipped with the arc hole 15 that holds erection column 5 and pass, and arc hole 15 and screw hole are downthehole to install bolt 8, and bolt 8 can be firmly fixed with balancing weight 6 and installation axle 3. A check ring 7 is arranged between the balancing weight 6 and the bolt 8. Be equipped with flat pad 9 and bullet pad 10 between retaining ring 7 and bolt 8 in proper order, can strengthen bolt 8's assembly strength, prevent that bolt 8 is not hard up.

As shown in fig. 5 and 6, reinforcing holes 14 corresponding to the positions of the counterweight block 6 and the shaft seat 2 are formed in the counterweight block 2, a hold-down stud 11 is installed in each reinforcing hole 14, the hold-down stud 11 is fixed through a hold-down bolt 12, and the counterweight block 6 and the shaft seat 2 can be firmly fixed by the structure, so that the installation firmness of the counterweight block 6 is enhanced.

When the counterweight mechanism provided by the embodiment is used, according to the use requirement, a proper number of first counterweight blocks 61 and second counterweight blocks 62 are selected and sequentially arranged, the positions of the first countersunk holes 64 and the second threaded holes 66 correspond, the positions of the second countersunk holes 67 and the first threaded holes 63 correspond, the first countersunk holes and the second countersunk holes are sequentially connected through countersunk bolts 65, and the finished counterweight blocks are formed through installation; then, sleeving the balancing weight 6 on the mounting shaft 3, sequentially penetrating the elastic pad 10, the flat pad 9, the check ring 7 and the arc-shaped hole 15 through the bolts 8 and fixing the balancing weight 6 in the threaded hole of the mounting column 5 to finish primary fixing of the balancing weight 6; and then, the compression stud 11 penetrates through the balancing weight 6 and the reinforcing hole 14 of the shaft seat 2, the compression stud 11 is fixed by the compression bolt 12, the balancing weight 6 is further fixed, the assembly form is simple, the efficiency is high, and the requirement on the performance of an auxiliary vehicle on a construction site is low.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A counter weight mechanism of a pipe crane with adjustable weight is characterized by comprising a mounting bracket and counter weights arranged on two sides of the mounting bracket; the balancing weight comprises a plurality of first balancing weights and a plurality of second balancing weights, and the first balancing weights are connected with the second balancing weights through countersunk bolts.

2. The adjustable weight pipelayer counterweight mechanism of claim 1, wherein the first counterweight has a first threaded bore therethrough and a first counterbore, the second counterweight has a second threaded bore therethrough and a second counterbore, the first counterbore corresponding in position and shape to the second threaded bore, and the second counterbore corresponding in position and shape to the first threaded bore.

3. The counterweight mechanism of an adjustable weight pipe hoist as claimed in claim 1, wherein the counterweight has an elongated mounting hole in the center thereof.

4. The adjustable weight pipelayer counterweight mechanism of claim 3 wherein the mounting bracket includes a cross beam, axle seats secured to both sides of the cross beam, and mounting shafts secured to the axle seats, the mounting shafts passing through the mounting holes and being fixedly connected to the counterweights.

5. The weight-adjustable pipelayer counterweight mechanism of claim 4, wherein the mounting shaft has mounting posts at opposite ends thereof, threaded holes are formed in the mounting posts, the mounting holes have arcuate holes at opposite ends thereof for receiving the mounting posts therethrough, and bolts are mounted in the arcuate holes and the threaded holes.

6. The weight counterbalance mechanism of an adjustable weight pipe hoist as claimed in claim 5, wherein a retaining ring is disposed between said weight block and said bolt.

7. The counterweight mechanism of an adjustable weight pipe hoist as claimed in claim 6, wherein a flat pad and a spring pad are sequentially disposed between the retainer ring and the bolt.

8. The counterweight mechanism of claim 4 wherein said counterweight and said axle seat have correspondingly positioned reinforcing holes, and said reinforcing holes have compression studs mounted therein, and said compression studs are fixed by compression bolts.