CN219567388U - Novel combined cylinder type suspension arm - Google Patents

Abstract

The utility model provides a novel combined cylinder type suspension arm, which comprises a stand column arranged on a rotary support, a telescopic device hinged with the stand column and a lifting hydraulic cylinder driving the suspension arm to swing, wherein a combined cylinder sharing the same oil path is arranged on the suspension arm, the suspension arm comprises a plurality of telescopic arms, the combined cylinder comprises a plurality of combined cylinders fixedly arranged on the telescopic arms, the telescopic device comprises a shell hinged with the stand column, a first telescopic arm capable of extending into the shell and a second telescopic arm capable of extending into the first telescopic arm, the combined cylinder comprises a first combined cylinder fixedly arranged on the shell, a cylinder body of the first combined cylinder is fixed on the shell, a piston rod end of the first combined cylinder is fixed at the end part of the first telescopic arm, and the combined cylinder also comprises a second combined cylinder arranged at the end part of the first telescopic arm.

Description

Novel combined cylinder type suspension arm

Technical Field

The utility model relates to the technical field of suspension arms, in particular to a novel combined cylinder type suspension arm.

Background

The application range of the suspension arm is wider, for example, in workshops and lifting industries, the structure of the suspension arm can be found in places needing to be lifted generally, the suspension arm in the prior art comprises a single suspension arm, a plurality of telescopic suspension arms in a combined mode and the like, and most of the telescopic suspension arms are of multi-cylinder structures, wherein the hydraulic cylinders are independently designed, the hydraulic cylinders are independently supplied with oil in a design mode, and the hydraulic cylinders are independently operated, so that the hydraulic cylinders are deficient in that oil ways are more, are exposed outside and are complicated to control.

The patent number is CN202221676769. X, the patent name is a novel open-arm type lorry-mounted crane, and the control between telescopic arms is separated and controlled independently through analyzing the open-arm type lorry-mounted crane.

Disclosure of Invention

In view of the above, the utility model provides a novel combined cylinder type suspension arm which not only can supply oil and act simultaneously, but also has simplified oil path and convenient control.

In order to solve the technical problems, the utility model provides a novel combined cylinder type suspension arm, which comprises a stand column arranged on a rotary support, a telescopic device hinged with the stand column and a lifting hydraulic cylinder driving the suspension arm to swing, wherein the suspension arm is provided with a combined cylinder sharing the same oil way, the suspension arm comprises a plurality of telescopic arms, and the combined cylinder comprises a plurality of combined cylinders fixedly arranged on the telescopic arms.

Further, the telescopic device comprises a shell hinged with the upright post, a first telescopic arm capable of extending into the shell, and a second telescopic arm capable of extending into the first telescopic arm.

Further, the combined cylinder comprises a first combined cylinder fixedly mounted on the shell, a cylinder body of the first combined cylinder is fixed on the shell, a piston rod end of the first combined cylinder is fixed at the end part of the first telescopic arm, the combined cylinder further comprises a second combined cylinder mounted at the end part of the first telescopic arm, a cylinder body of the second combined cylinder is fixedly mounted on the first telescopic arm, and a piston rod end of the second combined cylinder is hinged to the end part of the second telescopic arm.

Further, a piston rod of the first combined cylinder is connected with a cylinder body of the second combined cylinder through an oil way.

Further, the cylinder body of the first combined cylinder is connected with a hydraulic oil station.

Further, an inner channel is arranged in the first combined cylinder.

The technical scheme of the utility model has the following beneficial effects:

1. the parallel combined cylinder structure is adopted to realize simultaneous oil supply and simultaneous actions.

2. The oil way is saved, and the parallel connection mode is adopted, so that the effect of convenient control can be achieved, the effect of saving complex oil ways can be achieved, and the accident rate is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the first combination cylinder;

in the figure: 1. a column; 2. a housing; 3. a first telescopic arm; 4. a second telescopic arm; 5. a first combination cylinder; 6. a second combination cylinder; 7. a fixing frame; 8. an oil path; 9. a transition valve; 10. lifting hydraulic cylinders; 11. a winch; 12. a rotary support; 13. an exchange valve; 14. a two-way hydraulic lock; 15. an inner channel.

Description of the embodiments

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1-2 of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.

As shown in fig. 1-2:

examples

The utility model provides a novel combination jar formula davit, includes and installs on rotary support 12 stand 1, with stand 1 between articulated telescoping device and drive the rising pneumatic cylinder 10 that the davit swung, be provided with the combination jar of sharing same oil circuit 8 on the davit, the davit includes a plurality of telescopic boom, the combination jar includes a plurality of fixed mounting combination jar on the telescopic boom.

In this embodiment, the lower end of the upright 1 is rotatably supported, so that the boom can rotate 360 ° in the horizontal direction, the upper end of the upright 1 is hinged with the housing 2, the lower part of the upright 1 is hinged with the lifting hydraulic cylinder 10, the boom is provided with the combined cylinders, the boom is divided into a plurality of telescopic arms by adopting a parallel connection mode, and the number of the combined cylinders is also a plurality of, so that the combined cylinders jointly form a structure.

Example 2

The telescopic device comprises a shell 2 hinged with the upright 1, a first telescopic arm 3 capable of extending into the shell 2, and a second telescopic arm 4 capable of extending into the first telescopic arm 3.

In this embodiment, the telescopic device includes a housing 2 hinged to a column 1, a first telescopic arm 3 capable of extending into the housing 2, a second telescopic arm 4 capable of extending into the first telescopic arm 3, and a third telescopic arm, a fourth telescopic arm, etc., different from the above embodiment.

Example 3

The combined cylinder comprises a first combined cylinder 5 fixedly mounted on the shell 2, a cylinder body of the first combined cylinder 5 is fixed on the shell 2, a piston rod end of the first combined cylinder 5 is fixed at the end part of the first telescopic arm 3, the combined cylinder further comprises a second combined cylinder 6 mounted at the end part of the first telescopic arm 3, a cylinder body of the second combined cylinder 6 is fixedly mounted on the first telescopic arm 3, and a piston rod end of the second combined cylinder 6 is hinged with the end part of the second telescopic arm 4.

In this embodiment, the combined cylinder includes the first combined cylinder 5 and the second combined cylinder 6, which are connected in parallel after being connected through the oil path 8 and the inner passage 15, and the effects that can be achieved are: can supply oil and act simultaneously. If there are multiple telescopic arms, there can also be multiple combined cylinders; the cylinder body of the second combined cylinder 6 is arranged on the first telescopic arm 3 through the fixing frame 7, and the cylinder body of the second combined cylinder 6 is also provided with an exchange valve 13 connected with the oil way 8, and the design advantage of the exchange valve 13 is that two oil pipes of the oil way 8 can be kept in a parallel state.

Example 4

The piston rod of the first combined cylinder 5 is connected with the cylinder body of the second combined cylinder 6 through an oil way 8, and the cylinder body of the first combined cylinder 5 is connected with a hydraulic oil station.

In this embodiment, as shown in the drawing, oil passes through an inner channel 15 in a piston rod of the first combined cylinder 5, flows out of a head of the piston rod, then enters an oil path 8 and then enters a cylinder body of the second combined cylinder 6, a winch 11 is further arranged on the upright 1, the winch 11 is connected with a hydraulic motor, the oil is supplied through another independent oil path, the rope winding and unwinding actions can be realized, the hydraulic motor is connected with a bidirectional hydraulic lock 14, and the bidirectional hydraulic lock 14 has the functions of: when sudden power failure and other emergency occur, the oil can be locked in the oil way, so that the oil is prevented from flowing back to the oil station along the oil way, and accidents are avoided. As shown in the figure, the design advantage of the transition valve 9 is that the direct connection of the oil path from the upright post 1 to the first combined cylinder 5 is avoided, because the action amplitude of the shell 2 in the lifting process is larger, if the oil path adopts a direct connection mode, fatigue aging of the oil pipe can be accelerated, and the service life of the oil pipe is reduced.

Example 5

The first combination cylinder 5 is provided with an inner channel 15 inside.

In this embodiment, as shown in fig. 2, a hollow channel is formed inside a piston rod of the first combined cylinder 5, and the hollow channel is an inner channel 15 through which hydraulic oil can pass, so that the first combined cylinder 5 and the second combined cylinder 6 are connected in parallel.

The working method (or working principle) of the utility model is as follows:

when the hydraulic cylinder is in operation, the independent hydraulic cylinders are improved into cylinders with combined structures, such as a first combined cylinder 5 and a second combined cylinder 6 in the figure, the two cylinders are connected in parallel, the middle is connected by an inner channel 15, the oil way 8 and the inner channel 15 jointly realize the functions of combination and parallel connection, and the simultaneous oil supply and the simultaneous action of the first combined cylinder 5 and the second combined cylinder 6 can be realized.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims (6)

1. The utility model provides a novel combination jar formula davit, includes install stand (1) on rotary support (12), with articulated telescoping device and drive davit wobbling play to rise pneumatic cylinder (10), its characterized in that between stand (1): the lifting arm is provided with a combined cylinder sharing the same oil way (8), the lifting arm comprises a plurality of telescopic arms, and the combined cylinder comprises a plurality of combined cylinders fixedly arranged on the telescopic arms.

2. The novel combination cylinder boom of claim 1, wherein: the telescopic device comprises a shell (2) hinged with the upright post (1), a first telescopic arm (3) capable of extending into the shell (2), and a second telescopic arm (4) capable of extending into the first telescopic arm (3).

3. A novel combination cylinder boom as claimed in claim 2, wherein: the combined cylinder comprises a first combined cylinder (5) fixedly mounted on a shell (2), a cylinder body of the first combined cylinder (5) is fixed on the shell (2), a piston rod end of the first combined cylinder (5) is fixed at the end part of a first telescopic arm (3), the combined cylinder further comprises a second combined cylinder (6) mounted at the end part of the first telescopic arm (3), a cylinder body of the second combined cylinder (6) is fixedly mounted on the first telescopic arm (3), and a piston rod end of the second combined cylinder (6) is hinged with the end part of a second telescopic arm (4).

4. A novel combination cylinder boom as claimed in claim 3, wherein: the piston rod of the first combined cylinder (5) is connected with the cylinder body of the second combined cylinder (6) through an oil way (8).

5. The novel combination cylinder boom of claim 4, wherein: the cylinder body of the first combined cylinder (5) is connected with a hydraulic oil station.

6. The novel combination cylinder boom of claim 5, wherein: an inner channel (15) is arranged in the first combined cylinder (5).