CN213171227U

CN213171227U - Crane cantilever convenient to disassemble and assemble

Info

Publication number: CN213171227U
Application number: CN202021697731.3U
Authority: CN
Inventors: 黄聪
Original assignee: Beijing Vision Construction Engineering Co ltd
Current assignee: Beijing Vision Construction Engineering Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-05-11
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a sling cart cantilever convenient to dismantle equipment, including main cantilever, cantilever in the one end sliding connection of main cantilever has, the one end sliding connection of well cantilever has a cantilever, intercommunicating pore and screw hole one have all been opened on main cantilever and well cantilever a week surface, the inside threaded connection of screw hole one has the threaded rod, the one end of threaded rod is fixed with the handle, the other end of threaded rod is fixed with the joint board, the one end of well cantilever and top cantilever all is provided with the limiting plate, a week outer wall of limiting plate is opened there are a plurality of spacing grooves, the standing groove has all been opened to the inside of main cantilever and well cantilever, the one end of limiting plate is fixed with the mount pad, a week outer wall of mount pad is opened there are a plurality of screw hole two, the inside threaded. The utility model discloses a bolt structure carries out the installation to the sling cart cantilever, and the convenience when dismantling and assembling is improved to the installation and the equipment of the cantilever of being convenient for, improves the stability when dismantling and assembling of sling cart cantilever.

Description

Crane cantilever convenient to disassemble and assemble

Technical Field

The utility model relates to a sling cart cantilever technical field especially relates to a sling cart cantilever convenient to dismantle equipment.

Background

The crane truck mainly comprises a hoisting mechanism, a luffing mechanism, a slewing mechanism, a hoisting mechanism, a metal structure, an automobile chassis and the like. The hoisting mechanism is the basic working mechanism of the crane, mostly consists of a hanging system and a winch, and also lifts heavy objects through a hydraulic system. The amplitude variation mechanism is only arranged on the jib crane, the amplitude of the jib crane is reduced when the jib crane is lifted up, the amplitude of the jib crane is increased when the jib crane is lifted down, and the jib crane is divided into a balanced amplitude variation mode and a non-balanced amplitude variation mode. The slewing mechanism is used for slewing the arm support and consists of a driving device and a slewing bearing structure.

The sling cart cantilever among the prior art, the installation and the equipment of cantilever of not being convenient for, the relative facility when sling cart cantilever is dismantled and is assembled, and the stability when sling cart cantilever is dismantled and is assembled is relatively poor. Therefore, there is a need to design a sling cart boom that is easy to disassemble and assemble to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sling cart cantilever convenient to disassemble and assemble.

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

a sling cart cantilever convenient for disassembly and assembly comprises a main cantilever, one end of the main cantilever is connected with a middle cantilever in a sliding way, one end of the middle cantilever is connected with a top cantilever in a sliding way, the surfaces of the main cantilever and the middle cantilever on the circumference are provided with a first communication hole and a first threaded hole, a threaded rod is connected with the inner thread of the first threaded hole, a handle is fixed at one end of the threaded rod, a clamping and connecting plate is fixed at the other end of the threaded rod, limiting plates are arranged at one ends of the middle cantilever and the top cantilever, a plurality of limiting grooves are arranged on the outer wall of the periphery of the limiting plate, placing grooves are arranged in the main cantilever and the middle cantilever, a mounting seat is fixed at one end of the limiting plate, a plurality of threaded holes II are formed in the outer wall of the periphery of the mounting seat, and a fastening bolt is connected with the inner thread of the threaded hole II, and a threaded groove I is formed in the side wall of one end of each of the middle cantilever and the top cantilever.

Furthermore, cushions are fixed inside the main cantilever and the middle cantilever, and positioning plates are welded on the outer walls of the middle cantilever and the top cantilever.

Furthermore, the other end of the main cantilever is welded with a clamping seat, and one side of the clamping seat is provided with a fixing hole.

Further, the installed part is installed through the bolt to the one end of top cantilever, the installed part is including the mounting panel, open one side of mounting panel has the mounting hole.

Furthermore, one end of the top cantilever is provided with a second thread groove, and the mounting plate is fixed at one end of the top cantilever in the second thread groove through bolt threads.

Further, one side of mounting panel is fixed with the joint piece, the one end of top cantilever is opened there is the joint groove, joint piece joint is in the inside in joint groove.

Furthermore, the other side welding of mounting panel has the fixed plate, open one side of fixed plate has the connecting hole.

The utility model has the advantages that:

1. through intercommunicating pore, fastening bolt and the thread groove that sets up, rotate fastening bolt through intercommunicating pore use tools, fastening bolt rotates in the inside of thread groove one, adopts bolted construction to carry out the installation to the sling cart cantilever, and the convenience when the sling cart cantilever is dismantled and is assembled is improved in the installation and the equipment of the cantilever of being convenient for.

2. Through limiting plate, threaded rod and the spacing groove that sets up, the limiting plate can play limiting displacement to the cantilever, avoids the cantilever to shift out from another cantilever, and the threaded rod removes the spacing inslot, can play the locate function to the limiting plate, avoids the limiting plate to slide in cantilever inside, improves the stability when sling cantilever is dismantled and is assembled.

3. Through blotter and the locating plate that sets up, the blotter can carry out and play the cushioning effect to the locating plate, receives great external force when avoiding the locating plate to use and leads to damaging, improves the life-span that the locating plate used, and the locating plate can carry out the locate action to the cantilever for fastening bolt is located the intercommunicating pore just in time under, further improves the convenience that the sling cart cantilever was dismantled.

4. Through the joint board and the standing groove that set up, the joint board passes through the rotation of threaded rod and can enters into the standing groove in, and the joint board is located the standing groove, avoids influencing the normal extension of sling truck cantilever, and the joint board can carry on spacingly to the threaded rod simultaneously, avoids the threaded rod screw thread to shift out the inside of screw hole one.

Drawings

Fig. 1 is a schematic view of the overall structure of a boom of a sling cart convenient for disassembly and assembly;

fig. 2 is a schematic view of the internal structure of a boom of the sling cart convenient for disassembly and assembly;

fig. 3 is a schematic structural view of a mounting member of a boom of a sling cart convenient for disassembly and assembly provided by the present invention;

fig. 4 is the utility model provides a hoist car cantilever's a's enlarged schematic diagram convenient to dismantle equipment structure.

In the figure: the cantilever comprises a main cantilever 1, a middle cantilever 2, a top cantilever 3, a clamping seat 4, a fixing hole 5, a mounting part 6, a communication hole 7, a threaded hole I8, a threaded rod 9, a handle 10, a limiting groove 11, a placing groove 12, a clamping plate 13, a mounting seat 14, a threaded hole II 15, a fastening bolt 16, a threaded groove I17, a threaded groove II 18, a mounting plate 19, a clamping block 20, a clamping groove 21, a mounting hole 22, a fixing plate 23, a connecting hole 24, a cushion pad 25, a positioning plate 26 and a limiting plate 27.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a sling cart cantilever convenient to disassemble and assemble comprises a main cantilever 1, a middle cantilever 2 is slidably connected to one end of the main cantilever 1, a top cantilever 3 is slidably connected to one end of the middle cantilever 2, a communication hole 7 and a first threaded hole 8 are formed in the surfaces of the main cantilever 1 and the middle cantilever 2, a threaded rod 9 is connected to the inner portion of the first threaded hole 8 in a threaded manner, a handle 10 is fixed to one end of the threaded rod 9, the handle 10 facilitates rotation of the threaded rod 9, the threaded rod 9 can move in a limiting groove 11 to position a limiting plate 27, the limiting plate 27 is prevented from sliding in the cantilever, stability of the sling cart cantilever during disassembly and assembly is improved, a clamping plate 13 is fixed to the other end of the threaded rod 9, the limiting plates 27 are arranged at one end of the middle cantilever 2 and the top cantilever 3, the limiting plate 27 can limit the cantilever and prevent the cantilever from moving out, a plurality of spacing grooves 11 are opened to the a week outer wall of limiting plate 27, standing groove 12 has all been opened to the inside of main cantilever 1 and well cantilever 2, the one end of limiting plate 27 is fixed with mount pad 14, a plurality of screw hole two 15 are opened to the a week outer wall of mount pad 14, the inside threaded connection of screw hole two 15 has fastening bolt 16, fastening bolt 16 rotates in the inside of thread groove 17, adopt the bolted construction to carry out the installation to the sling cantilever, the installation and the equipment of the cantilever of being convenient for, the convenience when improving the sling cantilever of sling dismantlement and equipment, the lateral wall of well cantilever 2 and the one end of top cantilever 3 is opened there is thread groove one 17.

Further, the inside of main cantilever 1 and well cantilever 2 all is fixed with blotter 25, and blotter 25 can go on playing the cushioning effect to locating plate 26, and well cantilever 2 and the outer wall of top cantilever 3 all weld locating plate 26, and locating plate 26 can carry out the locating effect to the cantilever for fastening bolt 16 just in time is located the intercommunicating pore 7 under.

Furthermore, the other end of the main cantilever 1 is welded with a clamping seat 4, the clamping seat 4 is convenient for mounting the cantilever, and one side of the clamping seat 4 is provided with a fixing hole 5.

Further, the mounting part 6 is installed at one end of the top cantilever 3 through a bolt, the mounting part 6 comprises a mounting plate 19, the mounting plate 19 is convenient for fixing the mounting part 6 at one end of the top cantilever 3, and a mounting hole 22 is formed in one side of the mounting plate 19.

Furthermore, one end of the top cantilever 3 is provided with a second threaded groove 18, and the mounting plate 19 is fixed at one end of the top cantilever 3 in the second threaded groove 18 through bolt threads.

Further, one side of mounting panel 19 is fixed with joint piece 20, and the one end of top cantilever 3 is opened there is joint groove 21, and joint piece 20 joint is in the inside of joint groove 21, and the one end at top cantilever 3 is tentatively fixed when the installed part 6 of being convenient for is installed.

Furthermore, a fixing plate 23 is welded on the other side of the mounting plate 19, the fixing plate 23 is convenient to fixedly mount and serve as a connecting piece, and a connecting hole 24 is formed in one side of the fixing plate 23.

The working principle is as follows: when the lifting sling is used, the main cantilever 1 is rotatably installed on the lifting sling through the clamping seat 4, the fastening bolt 16 is rotated by using a tool through the communicating hole 7, the fastening bolt 16 is rotated inside the thread groove I17, the lifting sling cantilever is installed by adopting a bolt structure, the installation and the assembly of the cantilever are convenient, the convenience in the disassembly and the assembly of the lifting sling cantilever is improved, the limiting plate 27 can limit the cantilever, the cantilever is prevented from moving out of another cantilever, the threaded rod 9 moves in the limiting groove 11, the limiting plate 27 can be positioned, the limiting plate 27 is prevented from sliding in the cantilever, the stability in the disassembly and the assembly of the lifting sling cantilever is improved, meanwhile, the clamping plate 13 can enter the placing groove 12 through the rotation of the threaded rod 9, the clamping plate 13 is positioned in the placing groove 12, the influence on the normal extension of the lifting sling cantilever is avoided, and meanwhile, the clamping plate 13 can limit the threaded rod 9, avoid threaded rod 9 screw thread to shift out the inside of screw hole 8, the blotter 25 of adoption can go on playing the cushioning effect to locating plate 26, receive great external force when avoiding locating plate 26 to use and lead to damaging, improve the life-span that locating plate 26 used, locating plate 26 can carry out the positioning action to the cantilever for fastening bolt 16 just in time is located the intercommunicating pore 7 under, further improves the convenience that the sling cantilever was dismantled.

The above, only be the concrete implementation of the preferred embodiment 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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sling cart cantilever convenient to dismantle equipment, includes main cantilever (1), its characterized in that, the one end sliding connection of main cantilever (1) has well cantilever (2), the one end sliding connection of well cantilever (2) has top cantilever (3), intercommunicating pore (7) and screw hole (8) have all been opened on main cantilever (1) and well cantilever (2) a week surface, the internal thread of screw hole (8) is connected with threaded rod (9), the one end of threaded rod (9) is fixed with handle (10), the other end of threaded rod (9) is fixed with joint board (13), well cantilever (2) and the one end of top cantilever (3) all are provided with limiting plate (27), a week outer wall of limiting plate (27) is opened has a plurality of spacing grooves (11), standing groove (12) have all been opened to the inside of main cantilever (1) and well cantilever (2), the one end of limiting plate (27) is fixed with mount pad (14), a plurality of screw hole two (15) have been opened to the a week outer wall of mount pad (14), the internal thread of screw hole two (15) is connected with fastening bolt (16), the lateral wall of the one end of well cantilever (2) and top cantilever (3) is opened there is thread groove one (17).

2. A sling vehicle cantilever easy to disassemble and assemble as claimed in claim 1, wherein the main cantilever (1) and the middle cantilever (2) have a cushion pad (25) fixed inside, and the outer walls of the middle cantilever (2) and the top cantilever (3) have positioning plates (26) welded thereon.

3. A sling cart cantilever convenient to disassemble and assemble as claimed in claim 1, wherein the other end of the main cantilever (1) is welded with a clamping seat (4), and one side of the clamping seat (4) is opened with a fixing hole (5).

4. A sling vehicle cantilever convenient for disassembly and assembly as in claim 1, wherein the top cantilever (3) is mounted with a mounting piece (6) at one end by bolts, the mounting piece (6) comprises a mounting plate (19), and a mounting hole (22) is opened at one side of the mounting plate (19).

5. A sling cart cantilever convenient to disassemble and assemble as claimed in claim 4, wherein one end of the top cantilever (3) is provided with a second threaded groove (18), and the mounting plate (19) is fixed at one end of the top cantilever (3) in the second threaded groove (18) through bolt threads.

6. A sling cart cantilever convenient to disassemble and assemble as claimed in claim 4, wherein a clamping block (20) is fixed on one side of the mounting plate (19), a clamping groove (21) is opened on one end of the top cantilever (3), and the clamping block (20) is clamped inside the clamping groove (21).

7. A sling cart cantilever convenient to disassemble and assemble as claimed in claim 4, wherein a fixed plate (23) is welded on the other side of the mounting plate (19), and a connecting hole (24) is opened on one side of the fixed plate (23).