CN222436905U - Shock absorber for engineering machinery power system - Google Patents
Shock absorber for engineering machinery power system Download PDFInfo
- Publication number
- CN222436905U CN222436905U CN202421068657.7U CN202421068657U CN222436905U CN 222436905 U CN222436905 U CN 222436905U CN 202421068657 U CN202421068657 U CN 202421068657U CN 222436905 U CN222436905 U CN 222436905U
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- Prior art keywords
- limiting
- rubber block
- shell
- shock absorber
- power system
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 33
- 230000035939 shock Effects 0.000 title claims abstract description 32
- 239000002991 molded plastic Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
本实用新型提供一种工程机械动力系统用减振器，包括套管，其特征在于，还包括限位部，其中，所述限位部包括一体成型的限位环和限位壳，所述套管一端的高度高于限位环底端的高度，套管另一端的高度高于限位壳顶部的高度，限位部和套管处一体注塑有橡胶块，橡胶块的顶部高于限位壳的顶部，限位壳与橡胶块之间形成有沟槽一，该沟槽一为橡胶块的形变空间，通过橡胶块在形变空间内形变以实现对动力系统产生振动的隔离，同时限位部为钣金件，在后期使用过程中，车架仅会切割限位部表面的橡胶，而切割不到限位部与套管之间的橡胶块，从而保证了橡胶块有效。
The utility model provides a shock absorber for a power system of an engineering machinery, comprising a sleeve, characterized in that it also comprises a limiting part, wherein the limiting part comprises an integrally formed limiting ring and a limiting shell, the height of one end of the sleeve is higher than the height of the bottom end of the limiting ring, the height of the other end of the sleeve is higher than the height of the top of the limiting shell, a rubber block is integrally injection-molded at the limiting part and the sleeve, the top of the rubber block is higher than the top of the limiting shell, a groove one is formed between the limiting shell and the rubber block, the groove one is a deformation space of the rubber block, and the rubber block is deformed in the deformation space to achieve isolation of vibration generated by the power system, and the limiting part is a sheet metal part, and in the later use process, the frame will only cut the rubber on the surface of the limiting part, but will not cut the rubber block between the limiting part and the sleeve, thereby ensuring the effectiveness of the rubber block.
Description
Technical Field
The utility model relates to the technical field of vibration absorbers, in particular to a vibration absorber for a power system of engineering machinery.
Background
If the engineering power system adopts rigid connection, the vibration generated by the engine or the motor is directly transmitted to the frame, the vibration of the frame can be transmitted to a cab and other equipment, so that the comfort is reduced and the equipment is damaged, meanwhile, the rigid connection piece can be loosened due to the vibration, so that the power system is separated from the frame, and accidents are caused, and therefore, the power system is connected with the frame through the shock absorber, so that the transmission of the vibration is reduced.
As shown in fig. 1, the rubber blocks of the conventional shock absorber are sleeved together, in the actual use process, the two shock absorbers are embedded into the frame hole, the power system connecting frame is fixedly connected with the shock absorbers along the axial direction of the sleeve through the bolt gasket and the nut, and meanwhile, in the power system connecting frame fixing process, the rubber blocks are radially extruded and deformed by the gasket and the nut, so that deformation of the rubber blocks is reduced, and the shock absorbing performance of the rubber blocks cannot be effectively utilized. Meanwhile, when the frame is used, the cutting problem is easily caused at the joint of the rubber block, so that the rubber block is invalid.
Disclosure of utility model
The utility model aims to provide a damper for a power system of engineering machinery, which overcomes the defects in the prior art.
In order to solve the technical problems, the shock absorber for the engineering machinery power system comprises a sleeve and a limiting part, wherein the limiting part comprises a limiting ring and a limiting shell which are integrally formed, the height of one end of the sleeve is higher than the bottom end of the limiting ring, the height of the other end of the sleeve is higher than the top of the limiting shell, a rubber block is integrally injection-molded at the position of the limiting part and the sleeve, the top of the rubber block is higher than the top of the limiting shell, and a first groove is formed between the limiting shell and the rubber block.
In the scheme, the limiting ring part of the shock absorber is embedded into the frame hole, the shock absorber is used in pairs, the bolts penetrate through the sleeve, gaskets are arranged at two ends of the bolts, the bolts are used for installing the power system support, the power system support and the shock absorber are fixed through the nuts and the bolts, in the fixing process, the rubber block radially expands under the extrusion of the gaskets, the groove I is formed between the limiting shell and the rubber block and is a deformation space of the rubber block, vibration isolation of the power system is realized through deformation of the rubber block in the deformation space, meanwhile, the limiting part is a sheet metal part, and in the later use process, the frame only cuts rubber on the surface of the limiting part, but does not cut the rubber block between the limiting part and the sleeve, so that the rubber block is ensured to be effective.
As an improvement of the damper for the engineering machinery power system, the top of the rubber block is provided with the second groove and the third groove.
In the above scheme, in order to improve the damping effect of the rubber block, the deformation space of the rubber block needs to be increased, a second groove and a third groove are formed in the top of the rubber block, and the second groove and the third groove are used for increasing the deformation space of the rubber block, so that the damping effect of the rubber block is further improved.
As an improvement of the shock absorber for the engineering machinery power system, rubber is arranged on the surface of the limiting ring.
In the scheme, the rubber is arranged at the limiting ring so that the shock absorber can be in interference fit with the frame hole, so that the shock absorber is prevented from falling from the frame hole in the installation process, and an operator can conveniently assemble the frame, the motor connecting frame and the shock absorber by using the bolts and the nuts.
As an improvement of the shock absorber for the engineering machinery power system, the limiting shell is provided with a contact surface which is used for being in direct contact with the frame, and rubber is arranged on the limiting shell except the contact surface.
In the above scheme, because the height of the rubber block is higher than the limit part, under the conventional state, the gasket cannot be impacted with the limit shell of the limit part, but under the limit state, the limit shell of the limit part is impacted by the gasket, so that the impact of the gasket is buffered by arranging rubber on the limit shell, and the gasket and the limit shell are prevented from being damaged due to rigid contact.
As an improvement of the shock absorber for the engineering machinery power system, the limiting shell is provided with the arc chamfer, so that a frame hole does not need to be chamfered, and the processing cost is saved.
In the above-mentioned scheme, compare in spacing casing and carry out the right angle setting, carry out the arc chamfer setting to spacing casing, can provide a certain amount of angle of buckling for spacing casing, and be difficult to the spacing casing of rupture.
Compared with the prior art, the utility model has the beneficial effects that the groove I is a deformation space of the rubber block, vibration generated to the motor is realized by deformation of the rubber block in the deformation space, meanwhile, the limiting part is a sheet metal part, and in the later use process, the frame only cuts rubber on the surface of the limiting part, but does not cut the rubber block between the limiting part and the sleeve, thereby ensuring the effectiveness of the rubber block.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of a structure in the background art;
FIG. 2 is a schematic view of the structure of a shock absorber mated with a vehicle frame (shock absorber paired in use);
FIG. 3 is a cross-sectional view of A-A of FIG. 2
Fig. 4 is a schematic structural view of the damper coupled to the frame and the motor connecting frame (the damper is used in pairs).
Wherein, 1, the sleeve pipe; 2, a limiting part, 21, a limiting ring, 22, a limiting shell, 3, a rubber block, 4, a first groove, 5, a second groove, 6, a third groove, 7, an arc chamfer, 8, a motor connecting frame, 9, a gasket and 10, and a frame.
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.
As shown in fig. 2 to 4, a shock absorber for a power system of an engineering machine comprises a sleeve 1 and further comprises a limiting part 2, wherein the limiting part 2 comprises a limiting ring 21 and a limiting shell 22 which are integrally formed, the height of one end of the sleeve 1 is higher than the height of the bottom end of the limiting ring 21, the height of the other end of the sleeve 1 is higher than the height of the top of the limiting shell 22, a rubber block 3 is integrally molded at the positions of the limiting part 2 and the sleeve 1, the top of the rubber block 3 is higher than the top of the limiting shell 22, and a groove I4 is formed between the limiting shell 22 and the rubber block 3.
The limiting rings 21 of the shock absorber are partially embedded into the holes of the frame 10, the shock absorber is used in pairs, the bolts penetrate through the sleeve 1, gaskets 9 are arranged at two ends of the bolts, the bolts are used for installing a motor support, the motor support and the shock absorber are fixed through the nuts and the bolts, in the fixing process, the rubber block 3 radially expands under the extrusion of the gaskets 9, due to the fact that the groove I4 is arranged between the limiting shell 22 and the rubber block 3, the groove I4 is a deformation space of the rubber block 3, vibration generated to a motor is realized through deformation of the rubber block 3 in the deformation space, meanwhile, the limiting part 2 is a sheet metal part, in the later use process, the frame 10 only cuts rubber on the surface of the limiting part 2, but does not cut the rubber block 3 between the limiting part 2 and the sleeve 1, and therefore the rubber block 3 is guaranteed to be effective.
The top of the rubber block 3 is provided with a second groove 5 and a third groove 6.
In order to improve the vibration reduction effect of the rubber block 3, the deformation space of the rubber block 3 needs to be increased, a second groove 5 and a third groove 6 are formed in the top of the rubber block 3, and the second groove 5 and the third groove 6 are used for further improving the vibration reduction effect of the rubber block 3 by increasing the deformation space of the rubber block 3.
Rubber is arranged on the surface of the limiting ring 21.
Through setting up rubber in spacing ring 21 department so that the shock absorber can with frame 10 hole interference fit to avoid the shock absorber to drop in the mounting process from frame 10 hole, make things convenient for the assembly of operating personnel to frame 10 and motor link 8 and shock absorber using bolt and nut.
The limiting shell 22 is provided with a contact surface which is used for being in direct contact with the frame 10, and the limiting shell 22 is provided with rubber except the contact surface.
Since the rubber block 3 is higher than the limit part 2, in the normal state, the gasket 9 cannot collide with the limit shell 22 of the limit part 2, but in the limit state, the limit shell 22 of the limit part 2 is collided by the gasket 9, so that the gasket 9 and the limit shell 22 are prevented from being damaged due to rigid contact by arranging rubber on the limit shell 22 to buffer the collision of the gasket 9.
The limiting shell 22 is provided with an arc chamfer 7.
Compare in spacing shell 22 body and carry out the right angle setting, carry out arc chamfer 7 setting to spacing shell 22, can provide a certain amount of angle of buckling for spacing shell 22, and be difficult to break spacing shell 22 to make the frame hole need not the chamfer, save processing cost.
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 (5)
1. The utility model provides a shock absorber for engineering machine tool driving system, includes the sleeve pipe, its characterized in that still includes spacing portion, wherein, spacing portion includes integrated into one piece's spacing ring and spacing shell, the height of sleeve pipe one end is higher than the height of spacing ring bottom, and the height of the sleeve pipe other end is higher than the height at spacing shell top, and spacing portion and sleeve pipe department are integrative to be moulded plastics there is the rubber piece, and the top of rubber piece is higher than the top of spacing shell, is formed with slot one between spacing shell and the rubber piece.
2. The shock absorber for a power system of an engineering machine according to claim 1, wherein the top of the rubber block is provided with a second groove and a third groove.
3. The shock absorber for a power system of an engineering machine according to claim 1, wherein rubber is arranged on the surface of the limiting ring.
4. The shock absorber for a power system of an engineering machine according to claim 1, wherein the limiting shell is provided with a contact surface for being in direct contact with the frame, and rubber is arranged on the limiting shell except the contact surface.
5. The shock absorber for a power system of an engineering machine according to claim 1, wherein the limiting shell is provided with an arc chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421068657.7U CN222436905U (en) | 2024-05-16 | 2024-05-16 | Shock absorber for engineering machinery power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421068657.7U CN222436905U (en) | 2024-05-16 | 2024-05-16 | Shock absorber for engineering machinery power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222436905U true CN222436905U (en) | 2025-02-07 |
Family
ID=94409539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421068657.7U Active CN222436905U (en) | 2024-05-16 | 2024-05-16 | Shock absorber for engineering machinery power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222436905U (en) |
-
2024
- 2024-05-16 CN CN202421068657.7U patent/CN222436905U/en active Active
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