CN216951102U

CN216951102U - Hydraulic cylinder protection device

Info

Publication number: CN216951102U
Application number: CN202220543741.4U
Authority: CN
Inventors: 张润; 孔令强; 许金龙
Original assignee: Shandong Yigong Machinery Co ltd
Current assignee: Shandong Yigong Machinery Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-12
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a hydraulic cylinder protection device which comprises a base, wherein limiting rods are fixedly connected at four corners of the upper surface of the base, a first supporting rod is fixedly connected in the middle of the upper surface of the base and is uniformly distributed, a first movable rod is movably connected at the upper end of the first supporting rod, a supporting plate is fixedly connected at the upper end of the first movable rod, first springs are wound on the surfaces of the first supporting rod and the first movable rod, limiting holes are formed in the four corners of the surface of the supporting rod, and the limiting holes correspond to the limiting rods. According to the utility model, the stability of the hydraulic cylinder is improved through the first spring, the stability of the support plate during movement is improved through the limiting rod and the limiting hole, the limiting rod is limited through the limiting plate, the hydraulic cylinder is protected through the baffle, and the stability of the baffle during use is improved through the second spring.

Description

Hydraulic cylinder protection device

Technical Field

The utility model relates to the field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder protection device.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems.

According to the patent No. CN201820921995.9, a hydraulic cylinder protection device comprises a base, wherein a shell is welded at the central axis of the top of the base, the cross section of the shell is square, sleeves are welded on the side walls of the shell, springs are welded on the inner walls of the sleeves, loop bars are welded at the other ends of the springs, the other ends of the loop bars penetrate through the sleeves, a baffle is arranged at the other end of the loop bars, the side wall of the baffle is connected with a second rotating rod through a rotating shaft, the other end of the second rotating rod is connected with a first sliding block through the rotating shaft, fixed rods are welded on the side walls of the shell, sliding rods are movably sleeved on the outer sides of the fixed rods, a notch is formed in the top of the base, one ends of the sliding rods extend into the notch in the top of the base, and sliding grooves are formed in the two sides of the inner wall of the sliding grooves, so that when the hydraulic cylinder receives external force to impact the shell, the impact force can be effectively relieved, the shell is protected from deforming, and the hydraulic cylinder can be continuously and normally used, the maintenance cost is saved, the service life of the hydraulic oil cylinder is prolonged, but the scheme has some defects.

This scheme is when using, and the stability of pneumatic cylinder is not good, and the protection device structure is comparatively troublesome, can not protect the comprehensive of pneumatic cylinder when using, and protection device's stability is not good, takes place to damage easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hydraulic oil cylinder protection device, which solves the problems that when the existing bath type air filter mentioned in the background technology is used, air directly contacts with filtering oil after entering the filter, and is adsorbed by the filtering oil and then enters a filtering mechanism for filtering, as the air is not pretreated for many times before entering the filtering mechanism, and the contact area of the air and the filtering oil is small, impurities are carried in the air, the filtering pressure of a filter element of the filtering mechanism is larger, the service life of the filtering mechanism is short, and the filtering mechanism is easy to shift and deform under the impact of air flow for a long time.

In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic cylinder protection device comprises a base, limiting rods are fixedly connected at four corners of the upper surface of the base, a first supporting rod is fixedly connected at the middle of the upper surface of the base and is uniformly distributed, a first movable rod is movably connected at the upper end of the first supporting rod, a supporting plate is fixedly connected at the upper end of the first movable rod, a first spring is wound on the surfaces of the first supporting rod and the first movable rod, limiting holes are formed at the four corners of the surface of the supporting plate and correspond to the limiting rods, a hydraulic cylinder is fixedly connected at the middle of the upper surface of the supporting plate, a pushing rod is movably connected at the upper end of the pushing cylinder, a second supporting rod is fixedly connected at the outer surface of the pushing cylinder and is uniformly distributed, and a second movable rod is movably connected at the other end of the second supporting rod, the other end fixedly connected with baffle of second movable rod, the second bracing piece with the surface winding of second movable rod has the second spring.

Preferably, the bottoms of the left side and the right side of the base are fixedly connected with fixing plates, and fixing holes are formed in the surfaces of the fixing plates.

Preferably, the upper end of the limiting rod is in threaded connection with a limiting plate, and the limiting plate is located above the supporting plate.

Preferably, one end of the first spring is connected with the base, and the other end of the first spring is connected with the support plate.

Preferably, one end of the second spring is connected to a surface of the hydraulic cylinder, and the other end of the second spring is connected to the baffle.

Preferably, the surface of the baffle is fixedly connected with a protection pad, and the protection pad is made of rubber.

The utility model provides a hydraulic cylinder protection device, which has the following beneficial effects:

(1) according to the hydraulic cylinder, the support plate is extruded through the hydraulic cylinder, the support plate pushes the first movable rod, the first spring is compressed at the same time, the buffer protection effect is achieved through the first spring, the stability of the hydraulic cylinder in use is improved, the limit rod arranged on the upper surface of the base is matched with the limit hole arranged on the surface of the support plate, the stability of the support plate in movement is improved, the stability of the device in use is improved, the limit rod is limited through the limit plate, and the limit rod is prevented from falling off to influence normal use.

(2) The baffle plate arranged on the surface of the hydraulic cylinder protects the hydraulic cylinder, when collision occurs, the baffle plate is impacted, the second movable rod is pushed by the baffle plate, the second spring is compressed, and the second spring plays a role in buffering and protecting, so that the stability of the baffle plate in use is improved, and the protection pad arranged on the surface of the baffle plate plays a role in protection.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a partial top view of the present invention;

fig. 3 is a top view of the support of the present invention.

In the figure: the base 1, fixed plate 11, fixed orifices 12, gag lever post 13, limiting plate 14, first bracing piece 2, first movable rod 21, backup pad 22, first spring 23, spacing hole 24, pneumatic cylinder 25, catch bar 26, second bracing piece 3, second movable rod 31, baffle 32, second spring 33, protection pad 34.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the present invention provides a technical solution: a hydraulic cylinder protection device comprises a base 1, limiting rods 13 are fixedly connected at four corners of the upper surface of the base 1, a first supporting rod 2 is fixedly connected at the middle of the upper surface of the base 1, the first supporting rod 2 is uniformly distributed, a first movable rod 21 is movably connected at the upper end of the first supporting rod 2, a supporting plate 22 is fixedly connected at the upper end of the first movable rod 21, first springs 23 are wound on the surfaces of the first supporting rod 2 and the first movable rod 21, limiting holes 24 are formed at four corners of the surface of the supporting plate 22, the limiting holes 24 correspond to the limiting rods 13, a hydraulic cylinder 25 is fixedly connected at the middle of the upper surface of the supporting plate 22, a pushing rod 26 is movably connected at the upper end of the pushing cylinder 25, second supporting rods 3 are fixedly connected at the outer surface of the pushing cylinder 25, and the second supporting rods 3 are uniformly distributed, the other end swing joint of second bracing piece 3 has second movable rod 31, the other end fixedly connected with baffle 32 of second movable rod 31, second bracing piece 3 with the surface winding of second movable rod 31 has second spring 33.

The bottom fixedly connected with fixed plate 11 of the base 1 left and right sides, fixed orifices 12 have been seted up on the surface of fixed plate 11, through fixed plate 11 and fixed orifices 12 fixed base 1, the upper end threaded connection of gag lever post 13 has limiting plate 14, just limiting plate 14 is located the top of backup pad 22, plays limiting displacement to gag lever post 13 through limiting plate 14, the one end of first spring 23 with base 1 is connected, just the other end of first spring 23 with backup pad 22 is connected, plays the cushioning protection effect through first spring 23, the one end of second spring 33 with the surface of pneumatic cylinder 25 is connected, just the other end of second spring 33 with baffle 32 is connected, plays the cushioning protection effect through second spring 33, the fixed surface of baffle 32 is connected with protection pad 34, just what protection pad 34 adopted is the rubber material, protection is provided by the protective pad 34.

It should be noted that, when the hydraulic cylinder protection device works, the support plate 22 is extruded by the hydraulic cylinder 25, the support plate 22 pushes the first movable rod 21, the first spring 23 is compressed, the first spring 23 plays a role of buffer protection, the stability of the hydraulic cylinder 25 in use is improved, the limit rod 13 arranged on the upper surface of the base 1 is matched with the limit hole 24 arranged on the surface of the support plate 22, the stability of the support plate 22 in movement is improved, the stability of the device in use is improved, the limit rod 13 is limited by the limit plate 14, the stop rod 13 is prevented from falling off, the normal use is prevented from being influenced, the baffle 32 arranged on the surface of the hydraulic cylinder 25 plays a role of protection for the hydraulic cylinder 25, when collision occurs, the second movable rod 31 is pushed by the baffle 32 by impacting the baffle 32, the second spring 33 is compressed, the buffer protection is played by the second spring 33, thereby improving the stability of the baffle 32 in use and playing a role of protection through the protection pad 34 arranged on the surface of the baffle 32.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic cylinder protection device, includes base (1), its characterized in that: limiting rods (13) are fixedly connected at four corners of the upper surface of the base (1), a first supporting rod (2) is fixedly connected at the middle of the upper surface of the base (1), the first supporting rod (2) is uniformly distributed, a first movable rod (21) is movably connected at the upper end of the first supporting rod (2), a supporting plate (22) is fixedly connected at the upper end of the first movable rod (21), first springs (23) are wound on the surfaces of the first supporting rod (2) and the first movable rod (21), limiting holes (24) are formed at four corners of the surface of the supporting plate (22), the limiting holes (24) correspond to the limiting rods (13), a hydraulic cylinder (25) is fixedly connected at the middle of the upper surface of the supporting plate (22), and a pushing rod (26) is movably connected at the upper end of the hydraulic cylinder (25), the surface fixedly connected with second bracing piece (3) of pneumatic cylinder (25), just second bracing piece (3) evenly distributed, the other end swing joint of second bracing piece (3) has second movable rod (31), the other end fixedly connected with baffle (32) of second movable rod (31), second bracing piece (3) with the surface winding of second movable rod (31) has second spring (33).

2. A hydraulic cylinder protection device according to claim 1, characterized in that: the bottom fixedly connected with fixed plate (11) of base (1) left and right sides, fixed orifices (12) have been seted up on the surface of fixed plate (11).

3. A hydraulic cylinder protection device according to claim 1, characterized in that: the upper end of the limiting rod (13) is in threaded connection with a limiting plate (14), and the limiting plate (14) is located above the supporting plate (22).

4. A hydraulic cylinder protection device according to claim 1, characterized in that: one end of the first spring (23) is connected with the base (1), and the other end of the first spring (23) is connected with the support plate (22).

5. A hydraulic cylinder protection device according to claim 1, characterized in that: one end of the second spring (33) is connected with the surface of the hydraulic cylinder (25), and the other end of the second spring (33) is connected with the baffle plate (32).

6. A hydraulic cylinder protection device according to claim 1, characterized in that: the surface of the baffle (32) is fixedly connected with a protection pad (34), and the protection pad (34) is made of rubber.