CN214396933U

CN214396933U - Steering assembly for crane and crane chassis

Info

Publication number: CN214396933U
Application number: CN202022691518.8U
Authority: CN
Inventors: 张力虎; 罗利斌; 韩治民
Original assignee: Hunan Xingtong Automobile Manufacturing Co ltd
Current assignee: Hunan Xingtong Automobile Manufacturing Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-10-15
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a steering assembly for crane, which comprises a pump body, install the transmission shaft on the pump body output end, the top cover of transmission shaft output end is equipped with the transmission toothed disc, the inner wall of transmission toothed disc equiangularly installs spacing lug, the surface of transmission shaft is seted up and is supplied spacing lug inserted spout, set up the through-hole on the terminal surface of transmission shaft output end, the inboard of this through-hole runs through there is the gag lever post, the gag lever post is fixed with the laminating arc board towards one end in the through-hole, set up the spacing groove that supplies the gag lever post other end card to go into on the inner wall of transmission toothed disc; through the detachable transmission gear disc that sets up, can change different sizes according to the actual demand of processing, satisfy the processing demand of multiple difference, great reduction the limitation in the use, and spacing lug and the gag lever post of design can guarantee to change the stability after the installation.

Description

Steering assembly for crane and crane chassis

Technical Field

The utility model belongs to the technical field of the crane accessory, concretely relates to turning to subassembly and crane chassis for crane.

Background

The crane is a hoisting and carrying machine widely used in ports, workshops, electric power, construction sites and other places; the term crane is a uniform reference number for hoisting machines, usually called main cranes, also known as truck cranes, crawler cranes and tyre cranes. The crane is used for hoisting equipment, emergency rescue, hoisting, machinery and rescue, and during the operation of the crane, the position of the suspension arm needs to be rotated through a power steering pump arranged on the crane, so that the suspension arm can reach a specified position for processing.

When the existing steering assembly is used, transmission steering needs to be carried out through a transmission gear, but the specification of the existing transmission gear is consistent with that of a power-assisted steering pump, and adjustment within a certain range cannot be carried out, so that transmission cannot be carried out when the models of external power receiving equipment are inconsistent, and great limitation exists in actual use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crane is with turning to subassembly and crane chassis to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a crane is with turning to subassembly, includes the pump body, install the transmission shaft on the pump body output, the top cover of transmission shaft output is equipped with the transmission toothed disc, angle such as inner wall of transmission toothed disc installs spacing lug, the surface of transmission shaft is seted up and is supplied spacing lug male spout, the through-hole has been seted up on the terminal surface of transmission shaft output, and the inboard of this through-hole runs through there is the gag lever post, the gag lever post is served towards one in the through-hole and is fixed with laminating arc board, set up the spacing groove that supplies gag lever post other end card to go into on the inner wall of transmission toothed disc.

Preferably, the through hole is internally provided with a stud, the stud is in threaded connection with the inner side surface of the laminating arc plate, the outer side surface of the laminating arc plate is in laminating connection with the inner wall of the through hole, and the cross section of the stud is in a round table shape.

Preferably, the base is installed to the output terminal surface department of the pump body, install the mounting panel on the pump body and the base junction, the both ends of mounting panel extend to the outside of the pump body, just the mounting hole has been seted up on the both ends surface of mounting panel.

Preferably, the upper surface of mounting panel and the edge that is in the mounting hole have seted up the ring channel, the ring channel is the form that communicates with each other with the mounting hole, the inner tube has been inserted to the inside of mounting hole, the inboard at the ring channel is placed at the top of inner tube.

A crane chassis for a crane comprises a chassis and a power-assisted steering pump arranged on the chassis, wherein the power-assisted steering pump adopts the steering assembly.

Preferably, a hoisting structure is further mounted on the chassis and is in transmission connection with the pump body.

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

1. through the arranged detachable transmission gear disc, different sizes can be replaced according to actual processing requirements, various different processing requirements are met, the limitation in use is greatly reduced, and the stability after replacement and installation can be ensured due to the designed limiting convex blocks and limiting rods;

2. through the inner tube of design, can change in long-time the use, avoid the problem that the broken tooth restoration difficulty appears in the screw on the current screw inner wall.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the connection between the limiting rod and the fitting arc plate of the present invention;

FIG. 4 is a schematic view of the installation of the inner cylinder of the present invention;

fig. 5 is an installation schematic diagram of the chassis and the pump body of the present invention.

In the figure: 1. mounting a plate; 2. a limiting rod; 3. a transmission gear plate; 4. a limiting bump; 5. mounting holes; 6. A limiting groove; 7. a base; 8. a drive shaft; 9. a pump body; 10. fitting an arc plate; 11. an inner barrel; 12. an annular groove; 13. a chassis.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: a steering assembly for a crane comprises a pump body 9, a transmission shaft 8 is arranged at the output end of the pump body 9, a transmission gear disc 3 is sleeved at the top of the output end of the transmission shaft 8, and the transmission gear disc 3 can be disassembled through the arrangement, different sizes can be changed according to the actual processing requirements, various different processing requirements are met, the limitation in use is greatly reduced, and the designed limit lug 4 and the limit rod 2, can ensure the stability after replacement and installation, the inner wall of the transmission gear disc 3 is provided with a limit lug 4 at equal angles, the surface of the transmission shaft 8 is provided with a chute for inserting the limit lug 4, the end surface of the output end of the transmission shaft 8 is provided with a through hole, the inboard of this through-hole is run through and is had gag lever post 2, and gag lever post 2 is fixed with laminating arc board 10 towards serving in the through-hole, offers the spacing groove 6 that supplies the 2 other end cards of gag lever post to go into on the inner wall of transmission toothed disc 3.

In this embodiment, preferably, a stud is installed inside the through hole, the stud is in threaded connection with the inner side surface of the attaching arc plate 10, the outer side surface of the attaching arc plate 10 is in attached connection with the inner wall of the through hole, and the cross section of the stud is in a circular truncated cone shape.

In this embodiment, preferably, the base 7 is installed at the output end face of the pump body 9, the mounting plate 1 is installed at the joint of the pump body 9 and the base 7, two ends of the mounting plate 1 extend to the outer side of the pump body 9, and the mounting holes 5 are formed in the surfaces of two ends of the mounting plate 1.

In this embodiment, preferably, the upper surface of the mounting plate 1 and the edge of the mounting hole 5 are provided with an annular groove 12, the annular groove 12 is communicated with the mounting hole 5, the inner cylinder 11 is inserted into the mounting hole 5, and the inner cylinder 11 can be replaced in long-time use through design, so that the problem of difficulty in repairing broken teeth of threads on the inner wall of the existing screw hole is avoided, and the top of the inner cylinder 11 is placed on the inner side of the annular groove 12.

A crane chassis for a crane comprises a chassis 13 and a power steering pump arranged on the chassis 13, wherein the power steering pump adopts the steering assembly.

In this embodiment, preferably, the chassis 13 is further provided with a hoisting structure, and the hoisting structure is in transmission connection with the pump body 9.

The utility model discloses a theory of operation and use flow: when the utility model is used, the size of the transmission gear disc 3 is changed according to the rotating force requirement of a hoisting structure on a crane, during the change, the transmission gear disc 3 is sleeved on the transmission shaft 8, the limit lug 4 is inserted into a sliding groove arranged on the surface of the transmission shaft 8, the position of the transmission gear disc 3 and the transmission shaft 8 is limited at the moment, then the external stud penetrates through the inside of the transmission shaft 8, the stud is in threaded connection with the inner wall of the laminating arc plate 10, during the rotation, the limit rod 2 is extruded towards the inner wall of the through hole, the laminating arc plate 10 drives the limit rod 2 at the moment, the bottom end of the limit rod 2 penetrates into the limiting groove 6, thereby fixing and limiting are completed, then the inner cylinder 11 is placed in the mounting hole 5, during the placement, the top of the inner cylinder 11 is clamped into the inner side of the annular groove 12, then the external bolt penetrates through the inner cylinder 11 to complete the fixation of the mounting plate 1 and the chassis 13, in use, the pump body 9 drives the transmission shaft 8, the transmission shaft 8 drives the transmission gear disc 3, and the transmission gear disc 3 drives the hoisting structure on the chassis 13 to turn through transmission parts such as a belt.

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. A steering assembly for a crane, comprising a pump body (9), characterized in that: install transmission shaft (8) on the pump body (9) output, the top cover of transmission shaft (8) output is equipped with transmission gear dish (3), angle such as the inner wall of transmission gear dish (3) installs spacing lug (4), the surface of transmission shaft (8) is seted up and is supplied spacing lug (4) male spout, the through-hole has been seted up on the terminal surface of transmission shaft (8) output, and the inboard of this through-hole runs through there is gag lever post (2), gag lever post (2) serve in the through-hole to be fixed with laminating arc board (10), set up spacing groove (6) that supply gag lever post (2) other end card to go into on the inner wall of transmission gear dish (3).

2. A crane steering assembly as claimed in claim 1, wherein: the novel arc-shaped connector is characterized in that a stud is arranged inside the through hole and is in threaded connection with the inner side face of the attaching arc plate (10), the outer side face of the attaching arc plate (10) is attached to the inner wall of the through hole, and the cross section of the stud is in a round table shape.

3. A crane steering assembly as claimed in claim 1, wherein: base (7) are installed to the output terminal surface department of the pump body (9), install mounting panel (1) on the pump body (9) and base (7) junction, the both ends of mounting panel (1) extend to the outside of the pump body (9), just mounting hole (5) have been seted up on the both ends surface of mounting panel (1).

4. A crane steering assembly as claimed in claim 3, wherein: the edge that the upper surface of mounting panel (1) and be in mounting hole (5) has seted up ring channel (12), ring channel (12) are communicating form with mounting hole (5), inner tube (11) have been inserted to the inside of mounting hole (5), the inboard at ring channel (12) is placed at the top of inner tube (11).

5. The utility model provides a crane chassis for crane which characterized in that: comprising a chassis (13) and a power steering pump mounted on the chassis (13), the power steering pump employing the steering assembly of claims 1 to 4.

6. The crane carriage as claimed in claim 5, wherein: and a hoisting structure is further installed on the chassis (13), and the hoisting structure is in transmission connection with the pump body (9).