Device for mounting and dismounting air spring

Abstract

The utility model discloses a device for mounting and dismounting an air spring, and belongs to the technical field of mounting and dismounting of air springs. The problem that in the prior art, an air spring disassembling and assembling device is complex in structure and inconvenient to carry, and consequently the air spring is inconvenient to disassemble and assemble when people go out is solved. Comprising a sleeve, a supporting piece is arranged on the outer side wall of the sleeve, at least two positioning holes distributed in the circumferential direction of the sleeve are formed in the supporting piece, and the positioning holes and the sleeve are coaxial. The device for mounting and dismounting the air spring is simple in structure and convenient to carry, when the air spring is mounted and dismounted, the bolt at the end of the air spring penetrates through the positioning hole, the sleeve is arranged at the end of the air spring in a sleeving mode, the nut is tightened, the device moves downwards, the gasket is driven to be compressed downwards, and the air spring is mounted and dismounted. The steel cable baffle ring can be mounted or dismounted when a space is reserved for the steel cable baffle ring or the steel cable baffle ring is loosened, so that convenience is brought to mounting and dismounting of the air spring, and the air spring dismounting tool is particularly suitable for mounting and dismounting of the air spring when people go out.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air spring dismounting technical field, concretely relates to a device for installing and dismounting air spring. BACKGROUND

[0002] In the automobile industry, air spring as an important suspension component, has important influence to the stability and safety of vehicle. In the research and development stage of air spring, air spring needs to be assembled and disassembled frequently to carry out various tests and adjustments. However, due to the performance and product structure, the dismounting and installation of air spring pillar packaged with steel wire retainer ring need to use special equipment to eliminate the influence of internal prestress on steel wire retainer ring to dismount and install steel wire retainer ring, and the steel wire retainer ring is dismounted to carry out the next dismounting work. When going out to test and adjust, due to the lack of special equipment to install and dismount air spring, it is necessary to find equipment resources or return to the factory to carry out work. Therefore, it is imperative to develop a simple device for installing and dismounting air spring and convenient to carry. SUMMARY

[0003] In order to solve the above problems, the utility model provides a device for installing and dismounting air spring, which is simple in structure, convenient to carry and easy to use, and is especially suitable for installing and dismounting air spring when going out.

[0004] In order to achieve the above purpose, the utility model adopts the technical scheme that:

[0005] The utility model discloses a device for installing and dismounting air spring, which comprises a sleeve, a support piece is arranged on the outer side wall of the sleeve, at least two positioning holes distributed along the circumference of the sleeve are formed in the support piece, and the positioning holes are coaxial with the sleeve.

[0006] Further, the positioning hole is a waist hole, and the waist hole is arranged along the radial direction of the sleeve.

[0007] Further, the support piece is a support plate, a support rod or a support arm.

[0008] Further, the support piece is a support arm, the support arm corresponds to the positioning hole one by one, the positioning hole is arranged on the support arm, and the support arm is distributed along the circumference of the sleeve.

[0009] Further, the number of positioning holes is three, and the three positioning holes are arranged on the three support arms respectively.

[0010] Further, two of the three support arms are arranged symmetrically with respect to the other support arm.

[0011] Further, the included angle between the two symmetrically arranged support arms is 100° or 110° or 120°.

[0012] Further, the included angle between the two symmetrically arranged support arms is 120°.

[0013] Further, the sleeve and the support are made of steel or aluminum alloy or PA66 structural members.

[0014] Further, the upper end surface of the support arm is coplanar with the upper end surface of the sleeve, and the distance between the lower end surface of the support arm and the lower end surface of the sleeve is not less than the sum of the distance between the pressure bearing end surface and the upper end surface of the air spring and the compression stroke of the gasket for eliminating internal pre-pressure.

[0015] Compared with the prior art, the device has the following beneficial effects:

[0016] The device for installing and dismounting the air spring is composed of a sleeve and a support on the outer wall of the sleeve, and the support is provided with a positioning hole, so that the device has simple structure, low manufacturing cost and is convenient to carry. When the air spring is installed, the steel wire retainer is sleeved on the outer side of the gasket, the device for installing and dismounting the air spring is placed above the end portion of the air spring, the bolt of the end portion of the air spring passes through the corresponding positioning hole of the support, the sleeve is sleeved on the end portion of the air spring, the sleeve is in contact with the gasket, the bolt is screwed with the nut, the nut is gradually and sequentially tightened, the device is moved downward, the sleeve applies pressure to the gasket, the internal stress of the air spring is overcome, the gasket is compressed and moved downward, the installation space is left for the steel wire retainer, the steel wire retainer is sleeved in the left installation space, the nut is loosened and removed, the device is removed, and the installation of the air spring is completed. When the air spring is dismounted, the device for installing and dismounting the air spring is placed above the end portion of the air spring, the bolt of the end portion of the air spring passes through the corresponding positioning hole of the support, the sleeve is sleeved on the end portion of the air spring, the sleeve is in contact with the gasket, the bolt is screwed with the nut, the nut is gradually and sequentially tightened, the device is moved downward, the sleeve applies pressure to the gasket, the internal stress of the air spring is overcome, the gasket is compressed and moved downward, the steel wire retainer is loosened, the steel wire retainer is taken out of the installation space, the nut is loosened and removed, the device is removed, the steel wire retainer is taken out, the next step of dismounting the air spring is performed, and the dismounting of the air spring is completed. The device for installing and dismounting the air spring has simple structure, low manufacturing cost, is convenient to carry, is simple to operate, is convenient to use, can conveniently complete the installation and dismounting of the steel wire retainer, brings convenience to the installation and dismounting of the air spring, and is particularly suitable for the installation and dismounting of the air spring when going out. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 is a top view of a device for mounting and dismounting an air spring provided by the embodiments of the present application;

[0019] Figure 2 is a front sectional view of a device for mounting and dismounting an air spring provided by the embodiments of the present application;

[0020] Figure 3 is a partial sectional view of a use state of mounting and dismounting an air spring of a device for mounting and dismounting an air spring provided by the embodiments of the present application.

[0021] Reference signs: sleeve 1, support arm 2, positioning hole 3, nut 4, bolt 5, steel wire retainer 6, gasket 7, air spring 8. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0023] The present application will be further described below in combination with the drawings and embodiments.

[0024] As shown in Figure 1 , Figure 2 , Figure 3 , the present embodiment provides a device for mounting and dismounting an air spring, which comprises a sleeve 1, and the outer side wall of the sleeve 1 is provided with a support piece, the support piece is provided with at least two positioning holes 3 distributed along the circumference of the sleeve 1, and the positioning holes 3 are coaxial with the sleeve 1. Wherein, the sleeve 1 and the support piece are fixedly connected in an integral molding or welding connection mode. The number of the positioning holes 3 arranged along the circumference of the sleeve 1 is two or three or more integers, and the specific number is set according to the need. The positioning hole 3 is a round hole or a waist hole or a slot hole, which can meet the requirement of being penetrated by the bolt 5 on the upper end of the air spring 8.

[0025] The device for installing and dismounting the air spring based on the above structure is composed of the sleeve 1 and the support of the outer wall of the sleeve 1, and the support is provided with the positioning hole 3, so that the device has simple structure, low manufacturing cost and is convenient to carry. When the air spring 8 is installed, the steel wire check ring 6 is sleeved outside the gasket 7, the device for installing and dismounting the air spring is placed above the end of the air spring 8, the bolt 5 of the end of the air spring 8 is passed through the corresponding positioning hole 3 of the support, the sleeve 1 is sleeved on the end of the air spring 8, the sleeve 1 is in contact with the gasket 7, the bolt 5 is screwed with the nut 4, the nut 4 is gradually and sequentially tightened, the device is moved downward, the sleeve 1 applies pressure to the gasket 7, the internal stress of the air spring 8 is overcome, the gasket 7 is compressed and moved downward, the steel wire check ring 6 is given installation space, the steel wire check ring 6 is sleeved in the installation space, the nut 4 is loosened and removed, the device is removed, and the installation of the air spring 8 is completed; when the air spring 8 is dismounted, the device for installing and dismounting the air spring is placed above the end of the air spring 8, the bolt 5 of the end of the air spring 8 is passed through the corresponding positioning hole 3 of the support, the sleeve 1 is sleeved on the end of the air spring 8, the sleeve 1 is in contact with the gasket 7, the bolt 5 is screwed with the nut 4, the nut 4 is gradually and sequentially tightened, the device is moved downward, the sleeve 1 applies pressure to the gasket 7, the internal stress of the air spring 8 is overcome, the gasket 7 is compressed and moved downward, the steel wire check ring 6 is loosened, the steel wire check ring 6 is taken out of the installation space, the nut 4 is loosened and removed, the device is removed, the steel wire check ring 6 is taken out, the next step of dismounting work of the air spring 8 is performed, and the dismounting of the air spring 8 is completed.

[0026] As an implementable manner, as shown in Figure 1 、 Figure 3 The positioning hole 3 is a waist hole, and the length direction of the waist hole is arranged along the radial direction of the sleeve 1.

[0027] The positioning hole 3 is a waist hole, and the length direction of the waist hole is arranged along the radial direction of the sleeve 1.

[0028] The support member is a support plate, a support rod or a support arm 2.

[0029] The support member can be in the form of a support plate, a support rod or a support arm 2, and the position and shape of the support member can be determined according to the outer diameter and position of the end bolt 5 of the air spring 8, so that when the device for mounting and dismounting the air spring is placed, the positioning hole 3 passes through the corresponding bolt 5 at the end of the air spring 8.

[0030] As an implementable manner, as shown in Figure 1 the support member is a support arm 2, the support arm 2 corresponds to the positioning hole 3, the positioning hole 3 is arranged on the support arm 2, and the support arm 2 is distributed along the circumference of the sleeve 1.

[0031] The support member is arranged as a support arm 2, which reduces the manufacturing material of the support member, reduces the mass of the device for mounting and dismounting the air spring, facilitates carrying, and reduces the manufacturing cost.

[0032] As an implementable manner, as shown in Figure 1 the number of positioning holes 3 is three, and the three positioning holes 3 are arranged on the three support arms 2, respectively.

[0033] When mounting and dismounting the air spring, the three positioning holes 3 are respectively sleeved on the corresponding bolts 5 at the end of the air spring 8, the nuts 4 on the bolts 5 are tightened in sequence, the sleeve 1 applies better pressure to the washers 7, and the installation and dismounting space of the steel wire check ring 6 is facilitated.

[0034] As an implementable manner, two of the three support arms 2 are symmetrically arranged relative to the other support arm 2.

[0035] For example, the first support arm 2 and the second support arm 2 are symmetrically arranged relative to the third support arm 2, during the process of tightening the nuts 4, the sleeve 1 applies more uniform pressure to the washers 7, the sleeve 1 synchronously presses the washers 7, and the installation and dismounting space of the steel wire check ring 6 is facilitated.

[0036] Preferably, the included angle between the two symmetrically arranged support arms 2 is 100° or 110° or 120°.

[0037] For example, the included angle between the symmetrically arranged first support arm 2 and the second support arm 2 is 100° or 110° or 120°, the sleeve 1 applies uniform pressure to the washers 7, the sleeve 1 synchronously presses the washers 7, and the installation and dismounting space of the steel wire check ring 6 is more facilitated.

[0038] As an implementable manner, as shown in Figure 1 the included angle between the two symmetrically arranged support arms 2 is 120°.

[0039] The angle between the first support arm 2 and the second support arm 2 is 120°. The first support arm 2 and the second support arm 2 are symmetrically arranged relative to the third support arm 2. The angle between the first support arm 2 and the third support arm 2 is 120°. That is, the three support arms 2 are evenly distributed along the circumference of the sleeve 1. The angle between two adjacent support arms 2 is 120°. The sleeve 1 applies better and more even pressure to the washer 7. The sleeve 1 applies pressure to the washer 7 and presses it down synchronously and evenly, which further facilitates the installation and disassembly of the wire retaining ring 6.

[0040] The sleeve 1 and the support are structural components made of steel, aluminum alloy or PA66.

[0041] The sleeve 1 and support, made of materials such as steel, aluminum alloy, or PA66, have high hardness and high strength, which improves the service life of the device for installing and removing air springs in this application.

[0042] As one possible implementation method, such as Figure 3 As shown, the upper end face of the support arm 2 is coplanar with the upper end face of the sleeve 1, and the distance between the lower end face of the support arm 2 and the lower end face of the sleeve 1 is not less than the sum of the distance between the pressure bearing end face and the upper end face of the air spring 8 and the compression stroke distance of the washer 7 that eliminates the internal pre-pressure.

[0043] The distance between the lower end face of the support arm 2 and the lower end face of the sleeve 1 is set to ensure sufficient space for installing the wire retaining ring 6 when installing the air spring 8, facilitating the installation of the wire retaining ring 6; or to ensure sufficient space for removing the wire retaining ring 6 from the air spring 8 when disassembling it, facilitating the removal of the wire retaining ring 6. The distance between the lower end face of the support arm 2 and the lower end face of the sleeve 1 is specifically determined based on the sum of the distance between the pressure-bearing end face and the upper end face of the air spring 8 during disassembly and the compression stroke to eliminate the internal pre-pressure of the air spring 8.

[0044] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A device for mounting and dismounting an air spring, characterized in that, The sleeve (1) is provided with a support on the outer side wall, the support is provided with at least two positioning holes (3) distributed along the circumference of the sleeve (1), and the positioning holes (3) are coaxial with the sleeve (1).

2. The device for mounting and dismounting an air spring according to claim 1, characterized in that The positioning hole (3) is a waist hole, which is arranged along the radial direction of the sleeve (1).

3. The device for mounting and dismounting an air spring according to claim 1, characterized in that The support is a support plate or a support rod or a support arm (2).

4. The device for mounting and dismounting an air spring according to claim 3, characterized in that The support is a support arm (2), the support arm (2) corresponds to the positioning hole (3) one by one, the positioning hole (3) is arranged on the support arm (2), and the support arm (2) is distributed along the circumference of the sleeve (1).

5. The device for mounting and demounting air springs according to claim 4, characterized in that, The number of the positioning holes (3) is three, and the three positioning holes (3) are arranged on the three support arms (2) respectively.

6. A device for mounting and demounting air springs according to claim 5, characterized in that Two of the three support arms (2) are symmetrically arranged relative to the other support arm (2).

7. A device for mounting and demounting air springs according to claim 6, characterized in that The included angle between the two symmetrically arranged support arms (2) is 100° or 110° or 120°.

8. The device for mounting and dismounting an air spring according to claim 7, characterized in that The included angle between the two symmetrically arranged support arms (2) is 120°.

9. The device for mounting and dismounting an air spring according to claim 1, characterized in that, The sleeve (1) and the support are structural parts made of steel or aluminum alloy or PA66.

10. The device for mounting and dismounting an air spring according to claim 4, characterized in that The upper end surface of the support arm (2) is coplanar with the upper end surface of the sleeve (1), and the distance between the lower end surface of the support arm (2) and the lower end surface of the sleeve (1) is not less than the sum of the distance between the pressure bearing end surface and the upper end surface of the air spring (8) and the compression stroke distance of the gasket (7) for eliminating internal pre-pressure.

Images