CN220929806U

CN220929806U - Energy accumulator diaphragm of rock drill

Info

Publication number: CN220929806U
Application number: CN202322717175.1U
Authority: CN
Inventors: 冯恒强
Original assignee: Hebei Zhongtuo Machinery Technology Co ltd
Current assignee: Hebei Zhongtuo Machinery Technology Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-05-10
Anticipated expiration: 2033-10-11

Abstract

The utility model discloses an energy accumulator membrane of a rock drill, which comprises a membrane, wherein the membrane is made of rubber materials to form a rubber membrane, the membrane is of a bowl-shaped structure, the inner wall of the membrane is fixedly connected with a grid layer, the grid layer is made of nylon nets made of nylon materials, the grid layer and the membrane are fixedly bonded through glue, the outer wall of the membrane is fixedly connected with reinforcing ribs, and the reinforcing ribs can also be made of rubber ribs made of rubber materials. The utility model relates to the technical field of energy accumulators, which can increase the integral strength of a diaphragm, avoid damage and ensure the long service life of the diaphragm.

Description

Energy accumulator diaphragm of rock drill

Technical Field

The utility model relates to the technical field of energy accumulators, in particular to an energy accumulator diaphragm of a rock drill.

Background

The hydraulic accumulator is an energy storage device in a hydropneumatic system. The energy in the system is converted into compression energy or potential energy to be stored at proper time, and the compression energy or potential energy is converted into energy such as hydraulic pressure or air pressure to be released when the system is needed, so that the system is supplied again. When the instantaneous pressure of the system increases, the system can absorb the energy of the part so as to ensure that the pressure of the whole system is normal. An accumulator is required in the hydraulic system of the rock drill.

In the structure of the accumulator, the diaphragm (diaphragm) is an important component part thereof, and needs to be repeatedly deformed, while most of diaphragms in the prior art adopt rubber materials to form bowl-shaped or bag-shaped structures, but the structure has lower strength, and the diaphragm is easily damaged due to strong pressure in the repeated deformation process, so that the accumulator is damaged.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model aims to provide the accumulator membrane which is stable to install and long in service life.

The technical scheme adopted by the utility model for achieving the purpose is as follows: the utility model provides a rock drill energy storage ware diaphragm, includes the diaphragm, diaphragm inner wall fixedly connected with net layer, fixedly connected with strengthening rib on the outer wall of diaphragm.

In one embodiment, the membrane is a bowl-shaped structure.

In one embodiment, the top outer ring of the diaphragm is fixedly connected with an outer ring, and the top surface and the bottom surface of the outer ring are fixedly connected with raised rings.

In one embodiment, the reinforcing ribs are arranged in one of a transverse arrangement, a longitudinal arrangement or a staggered arrangement.

In one embodiment, the bottom surface of the membrane is provided with a protruding part, and the protruding part has a truncated cone structure.

In one embodiment, the bottom surface of the protruding portion is fixedly connected with a valve plate, and the bottom of the valve plate is provided with a groove.

In one embodiment, the bottom of the protruding portion is provided with a mounting cavity, and the valve plate is fixedly connected in the mounting cavity.

In one embodiment, the longitudinal section of the installation cavity is I-shaped, and the longitudinal section of the valve plate is matched and also I-shaped.

In one embodiment, the membrane is a rubber membrane, the reinforcing ribs are rubber ribs, the outer ring is a rubber ring, the raised ring is a rubber ring, and the grid layer is a nylon net.

In one embodiment, the membrane, the reinforcing rib, the outer ring and the raised ring are integrally formed.

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

1. the grid layer is fixed on the inner wall of the diaphragm, and the reinforcing ribs are fixed on the outer wall of the diaphragm, so that the integral strength of the diaphragm can be enhanced, the damage is avoided, and the service life of the diaphragm is ensured;

2. The outer ring at the top of the diaphragm is provided with an outer ring, the top surface and the bottom surface of the outer ring are both fixed with raised rings, and the contact area between the diaphragm and the shell during installation can be ensured through the structure, so that the firm installation of the diaphragm is ensured;

3. The bottom of diaphragm is equipped with the bellying, can increase the thickness of diaphragm bottom through the bellying to avoid the diaphragm excessively to warp, and be equipped with the valve block on the bellying, contradict through the fungus shape valve of valve block and energy storage ware bottom like this, can reduce the wearing and tearing of diaphragm bottom and guarantee the atress intensity of diaphragm bottom, thereby guarantee diaphragm long service life.

Drawings

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

FIG. 2 is a schematic view of another view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model.

In the figure: 100 membranes, 101 protruding parts, 200 grid layers, 300 reinforcing ribs, 400 outer rings, 500 protruding rings, 600 valve plates and 601 grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an accumulator membrane of a rock drill includes a membrane 100, the membrane 100 is made of rubber material to form a rubber membrane, the membrane 100 is in a bowl-shaped structure, the structure has good impact resistance, stress concentration phenomenon in repeated deformation process can be avoided, the inner wall of the membrane 100 is fixedly connected with a grid layer 200, the grid layer 200 is made of nylon net made of nylon material, the grid layer 200 and the membrane 100 are fixedly bonded and fixed by glue, the outer wall of the membrane 100 is fixedly connected with a reinforcing rib 300, the reinforcing rib 300 can be arranged transversely, longitudinally or alternatively, in this embodiment, the reinforcing rib 300 can be made of rubber rib made of rubber material, the integral strength of the membrane 100 can be enhanced, breakage can be avoided, and the long service life of the membrane 100 can be ensured.

In one embodiment, the top outer ring of the diaphragm 100 is fixedly connected with an outer ring 400, the outer ring 400 is a rubber ring made of rubber, the top surface and the bottom surface of the outer ring 400 are fixedly connected with a raised ring 500, the raised ring 500 is also a rubber ring made of rubber, the arrangement of the outer ring 400 and the raised ring 500 can increase the connection contact area between the diaphragm 100 and a shell when the diaphragm 100 is installed inside an accumulator shell, so that the diaphragm 100 is firmly installed, gaps are formed at the connection positions of the diaphragm 100 and the shell in the long-time reciprocating deformation process of the diaphragm 100 are avoided, nitrogen flushed inside the diaphragm 100 leaks, the service life of an accumulator is influenced, and in addition, an integral structure is adopted among the diaphragm 100, the reinforcing ribs 300, the outer ring 400 and the raised ring 500 to further ensure the integral strength of the diaphragm 100.

In one embodiment, the bottom surface of the diaphragm 100 is provided with a protruding portion 101, the protruding portion 101 is in a truncated cone structure, so that the thickness of the bottom of the diaphragm 100 can be increased through the protruding portion 101, excessive deformation of the diaphragm 100 is avoided, the bottom surface of the protruding portion 101 is fixedly connected with a valve plate 600, a groove 601 is formed in the bottom of the valve plate 600, the valve plate 600 is mainly used for abutting against a mushroom valve at the bottom of an accumulator, the mushroom valve is used for protecting the diaphragm 100, the diaphragm 100 is prevented from expanding and protruding from an oil valve opening, the mushroom valve at the bottom of the accumulator abuts against the valve plate 600, abrasion of the bottom of the diaphragm 100 can be reduced, the stress intensity of the bottom of the diaphragm 100 is guaranteed, the diaphragm 100 is guaranteed to have a long service life, further, the bottom of the protruding portion 101 is provided with a mounting cavity, the valve plate 600 is fixedly connected in the mounting cavity, the longitudinal section of the mounting cavity is I-shaped, the longitudinal section of the valve plate 600 is matched with the I-shaped, the valve plate 600 is made of rubber or nylon material, and the valve plate 600 is fixedly bonded with the diaphragm 100 through glue, and the connecting mode of the structure can guarantee the connection stability between the valve plate 600 and the diaphragm 100.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Rock drill energy accumulator membrane, comprising a membrane (100), characterized in that: the inner wall of the diaphragm (100) is fixedly connected with a grid layer (200), and the outer wall of the diaphragm (100) is fixedly connected with a reinforcing rib (300).

2. A rock drill accumulator membrane according to claim 1, characterized in that: the membrane (100) is of bowl-shaped configuration.

3. A rock drill accumulator membrane according to claim 2, characterized in that: an outer ring (400) is fixedly connected to the top outer ring of the diaphragm (100), and protruding rings (500) are fixedly connected to the top surface and the bottom surface of the outer ring (400).

4. A rock drill accumulator membrane according to claim 2, characterized in that: the reinforcing ribs (300) are arranged transversely, longitudinally or alternatively.

5. A rock drill accumulator membrane according to claim 1, characterized in that: the bottom surface of the diaphragm (100) is provided with a protruding portion (101), and the protruding portion (101) is in a truncated cone structure.

6. A rock drill accumulator membrane according to claim 5, characterized in that: the bottom surface of bellying (101) fixedly connected with valve block (600), the bottom of valve block (600) is equipped with recess (601).

7. A rock drill accumulator membrane according to claim 6, characterized in that: the bottom of the protruding portion (101) is provided with an installation cavity, and the valve plate (600) is fixedly connected in the installation cavity.

8. A rock drill accumulator membrane according to claim 7, characterized in that: the longitudinal section of the installation cavity is I-shaped, and the longitudinal section of the valve plate (600) is matched and also I-shaped.

9. A rock drill accumulator membrane according to claim 3, characterized in that: the diaphragm (100) adopts a rubber diaphragm, the reinforcing ribs (300) adopt rubber ribs, the outer ring (400) adopts a rubber ring, the raised ring (500) adopts a rubber ring, and the grid layer (200) adopts a nylon net.

10. A rock drill accumulator membrane according to claim 3, characterized in that: the diaphragm (100), the reinforcing ribs (300), the outer ring (400) and the raised ring (500) are of an integrated structure.