CN212579720U

CN212579720U - Combined support

Info

Publication number: CN212579720U
Application number: CN202021414981.1U
Authority: CN
Inventors: 李勇; 马健行; 周富生
Original assignee: China 19th Metallurgical Group Co ltd
Current assignee: China 19th Metallurgical Group Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-02-23
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a combined support relates to hoist and mount construction technical field, combined support, including a plurality of support and a plurality of leg joint spare, a plurality of support passes through leg joint spare and forms a frame construction, the support includes support I and support II, support I includes backup pad I, siphunculus I and nut, and siphunculus I includes screw thread section and smooth section, the outer lane of screw thread section is provided with the screw thread, nut threaded connection is in on the screw thread section, the port of smooth section is fixed backup pad I, support II includes backup pad II and siphunculus II, the one end of siphunculus II is fixed backup pad II, the other end of siphunculus II cup joints in the screw thread section of siphunculus I. The utility model discloses a support the driver's cabin when being used for the crawler crane host computer to transition, prevent the slewing bearing fracture, also can be used to the position that other similar needs supported, simple structure only needs to twist and moves the nut and can adjust the utility model discloses a height, but the scene preparation is recycled, and is with low costs.

Description

Combined support

Technical Field

The utility model relates to a hoist and mount construction technical field, concretely relates to combined support.

Background

The crawler crane is a mobile crane which is provided with a hoisting operation part on a crawler chassis and runs by a crawler device. The crawler crane needs to be disassembled in the transition process and then is transported to the next construction site by a trailer, the disassembled host is in the transportation process, a cab of the crawler crane is connected with the host by a slewing bearing, the cab is more than one meter away from the plane of a carriage, the slewing bearing is often cracked due to bumping in the transportation process, the cab falls off from the transportation vehicle to cause danger, the cab is supported on the carriage in a supporting mode for eliminating potential safety hazards in the transportation process, but the height is high, the cab is difficult to support stably, and the supporting materials are difficult to find temporarily.

At present, people do not have any measure to prevent the phenomenon of fracture of the slewing bearing caused by bumping in the transportation process when the crawler crane is transported in a transition process.

Therefore, a supporting and stabilizing structure is urgently needed at present, when the supporting and stabilizing structure is used for transporting a crawler crane main machine, the stress at the position of a rotary bearing is improved, the problem that a cab is broken from the position of the rotary bearing when the crawler crane main machine is transported is prevented, and the safe transition of the main machine is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a combined support for preventing slewing bearing department fracture in the crawler crane transportation is provided.

The utility model provides a technical scheme that its technical problem adopted is:

composite support, including a plurality of support and a plurality of leg joint spare, a plurality of support passes through leg joint spare and forms a frame construction, the support includes support I and support II, support I includes backup pad I, siphunculus I and nut, the circumscribed circle diameter of nut is c, the external diameter of siphunculus I is an, and siphunculus I includes screw thread section and smooth section, the outer lane of screw thread section is provided with the screw thread, nut threaded connection is in on the screw thread section, the port of smooth section is fixed backup pad I, support II includes backup pad II and siphunculus II, the internal diameter of siphunculus II is b, and c > b > a, the one end of siphunculus II is fixed backup pad II, the other end of siphunculus II cup joints on the screw thread section of siphun.

Furthermore, the outer diameter of the through pipe II is d, and c is larger than d.

Further, the support connecting piece is a steel pipe.

Further, the number of the supports and the support connecting pieces is four, one end of each support connecting piece is fixed to the smooth section of one through pipe I, the other end of each support connecting piece is fixed to the smooth section of the other through pipe I, and the four support connecting pieces are connected to form a square.

Furthermore, the support plate I is of a disc structure.

Furthermore, the support plate II is of a disc structure.

The utility model has the advantages that: the utility model discloses a support the driver's cabin when being used for the crawler crane host computer to transition, prevent the slewing bearing fracture, also can be used to the position that other similar needs supported, simple structure only needs to twist and moves the nut and can adjust the utility model discloses a height, but the scene preparation is recycled, and is with low costs.

Drawings

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

FIG. 2 is a schematic view of the bracket connection structure of the present invention;

fig. 3 is a top view of the four bracket connections of the present invention.

Shown in the figure: 1-a bracket connection; 2-a support plate I; 3-a through pipe I; 301-a threaded segment; 302-smooth section; 4-a nut; 5-support plate II; 6-pipe II.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1, 2 and 3, the combined bracket of the present invention comprises a plurality of brackets and a plurality of bracket connectors 1, the brackets form a frame structure through bracket connecting pieces 1, the brackets comprise a bracket I and a bracket II, the support I comprises a support plate I2, a through pipe I3 and a nut 4, the diameter of an external circle of the nut 4 is c, the outer diameter of the through pipe I3 is a, the through pipe I3 comprises a threaded section 301 and a smooth section 302, the outer ring of the threaded section 301 is provided with threads, the nut 4 is connected to the threaded section 301 in a threaded manner, the port of the smooth section 302 is fixed with the support plate I2, the bracket II comprises a support plate II 5 and a through pipe II 6, the inner diameter of the through pipe II 6 is b, c is more than b and more than a, one end of the through pipe II 6 is fixed to the support plate II 5, and the other end of the through pipe II 6 is sleeved on the threaded section 301 of the through pipe I3. The plurality of brackets are connected together through the bracket connecting piece 1 to form a frame structure, and as c is more than b and more than a, the through pipe II 6 is supported by the nut 4, the height of the through pipe II 6 is controlled by screwing the nut 4, and the height of the utility model can be adjusted by adjusting the nut 4 on each bracket; when the crawler crane comprises a cab and a crawler main machine, wherein the cab is arranged above, the main machine is arranged below, and the cab is connected by a slewing bearing, when the crawler crane is used, the upper cab is supported by a support plate II 5, a support plate I2 is contacted with the ground or other support surfaces, the support plate I2 is supported on a transport vehicle in the transportation process, a through pipe II 6 can move up and down by adjusting a nut 4 on a through pipe I3, so that the height of a support is adjusted to a proper distance, the support supports the upper cab, the support is provided with a plurality of supports, the supports are connected by a support connecting piece 1 to form a whole to support the whole cab, and when the crawler crane jolts in the transportation process, because of the support of the crawler crane, the stress at the slewing bearing of the crawler crane can be obviously reduced, and the slewing bearing is greatly prevented from being subjected to radial pressure, the slewing bearing of the crawler crane is prevented from being broken in the transportation process.

As shown in the figure, the external diameter size of siphunculus II 6 can be greater than the circumscribed circle diameter of nut 4, also can be less than the circumscribed circle diameter of nut 4, only need guarantee siphunculus II 6 internal diameter be greater than nut 4 internal diameter can, the purpose supports the lower port of siphunculus II 6 with the upper surface of nut 4, nevertheless can support the lower port of whole siphunculus II 6 for the upper surface of messenger nut 4, the external diameter of siphunculus II 6 is d, and c > d for the lower port surface of siphunculus II 6 is whole to be supported on the upper surface of nut 4, has strengthened the utility model discloses a stability.

Leg joint spare 1 is used for connecting two spinal branchs frame, can be reinforcing bar, steel sheet, angle steel and steel pipe etc, the utility model discloses in, leg joint spare 1 is the steel pipe. Leg joint spare 1 adopts the steel pipe to alleviate the utility model discloses when whole weight, also have stability simultaneously.

The number of the supports and the support connectors 1 is a plurality of, for example, two supports form a structure similar to a stool form, three supports form a triangular frame structure, and the number of the supports can be considered according to specific implementation conditions. As shown in fig. 3, fig. 3 is a top view of four supports and four bracket connecting pieces 1 after the combination connection, and the cab of the crawler crane is supported by the four supports, so that the supporting points are enough, the stress distribution is even, and the stability of the crawler crane is ensured.

Backup pad I2 is the effect that is used for the support frame, and with the ground contact, can be square, rectangle, convex etc, the utility model discloses in, in order to make the increase of support area, guarantee the stability of support, backup pad I2 is the disc structure.

The support plate II 5 is used for supporting the cab of the crawler crane, is in contact with the lower surface of the cab, can be square, rectangular, circular arc and the like, and is of a disc structure in order to increase the support area of the support and ensure the support stability.

Claims

1. Sectional shelf-unit, including a plurality of support and a plurality of leg joint spare (1), a plurality of support passes through leg joint spare (1) and forms a frame construction, its characterized in that: the support includes support I and support II, support I includes backup pad I (2), siphunculus I (3) and nut (4), the circumscribed circle diameter of nut (4) is c, the external diameter of siphunculus I (3) is an, and siphunculus I (3) are including screw thread section (301) and smooth section (302), the outer lane of screw thread section (301) is provided with the screw thread, nut (4) threaded connection be in on screw thread section (301), the port of smooth section (302) is fixed backup pad I (2), support II includes backup pad II (5) and siphunculus II (6), the internal diameter of siphunculus II (6) is b, and c > b > a, the one end of siphunculus II (6) is fixed backup pad II (5), and the other end of siphunculus II (6) cup joints on screw thread section (301) of siphunculus I (3).

2. The composite support of claim 1, wherein: the outer diameter of the through pipe II (6) is d, and c is larger than d.

3. The composite support of claim 2, wherein: the support connecting piece (1) is a steel pipe.

4. The composite support of claim 3, wherein: the support and the bracket connecting pieces (1) are four, one end of each bracket connecting piece (1) is fixed to the smooth section (302) of one through pipe I (3), the other end of each bracket connecting piece (1) is fixed to the smooth section (302) of the other through pipe I (3), and the four bracket connecting pieces (1) are connected to form a square.

5. The combination bracket of claim 1, 2, 3 or 4, wherein: the support plate I (2) is of a disc structure.

6. The composite support of claim 5, wherein: and the support plate II (5) is of a disc structure.