Sleeving device for assembling bushing damping structure and mining dump truck

Abstract

The utility model discloses a sleeving device for assembling a bushing damping structure and a mining dump truck. The sleeving device comprises a mounting shaft, a damper, a threaded rod and an assembling part, the top surface of the mounting shaft is fixed on the rigid component; the shock absorber is sleeved on the mounting shaft and is in interference fit with the mounting shaft; the top face of the threaded rod is fixed to the center of the bottom face of the mounting shaft and extends outwards in the axial direction, and the length size of the extended threaded rod is larger than that of the shock absorber. The assembly part is installed on the threaded rod in a threaded mode, circumferential rotation is converted into axial movement, and therefore the shock absorber is pushed to axially move on the installation shaft till the shock absorber is completely installed on the installation shaft in a sleeving mode. The installation mode provided by the utility model is simple and practical, and the shock absorber is prevented from being damaged by knocking; the bushing shock absorber has the advantages of being stable in design structure, good in shock absorption effect, long in service life and the like.

Description

Technical Field

[0001] The utility model relates to a sleeve connection device for assembling a bushing damping structure, belonging to the field of mining machinery. Background Art

[0002] In the field of shock absorption technology of mining machinery suspension systems, shock absorbers are core components. The installation structure of shock absorbers is crucial, but low shock absorber life and shock absorption failure are inevitable in the design. At this time, low-cost and efficient replacement of shock absorbers is particularly important.

[0003] In order to avoid excessive changes to vehicles in the market, a reliable shock absorber structure needs to be designed. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides a sleeve connection device for assembling a bushing shock-absorbing structure, which makes the product more reliable and durable and more convenient to install.

[0005] The utility model is implemented according to the following technical solutions:

[0006] In a first aspect, the utility model provides a sleeve connection device for assembling a bushing damping structure, comprising:

[0007] Install the shaft with its top surface fixed to the rigid component;

[0008] A shock absorber is used to be sleeved on the mounting shaft, with an interference fit between the two;

[0009] A threaded rod, the top surface of which is fixed to the center of the bottom surface of the mounting shaft and extends axially outward therefrom, and the length dimension after extension is greater than the length dimension of the shock absorber;

[0010] The assembly component is installed on the threaded rod in a threaded manner, converting the circumferential rotation into axial movement, thereby pushing the shock absorber to move axially on the installation shaft until the shock absorber is completely mounted on the installation shaft.

[0011] In some embodiments, the assembly comprises:

[0012] A push component having an internal thread for use with the threaded rod;

[0013] The rotating combined rocker is used in conjunction with the pushing component to drive the pushing component to rotate and thus move axially.

[0014] In some embodiments, the pushing component includes:

[0015] A circular plate I with a through hole in the center, the outer diameter of which is larger than the inner diameter of the shock absorber;

[0016] The nut used in conjunction with the threaded rod is arranged at the center of the circular plate I and faces the rotating combined rocker. The nut and the circular plate I are welded together or the two are cast as one piece.

[0017] In some embodiments, the rotating composite rocker comprises:

[0018] The circular plate II has a mounting hole at its center which matches the outer contour of the nut;

[0019] The handle is fixed on the circular plate II and is used to drive the circular plate II to rotate.

[0020] In some embodiments, the handle is a long rod structure, which is fixed on the end surface of the circular plate II away from the pushing component and close to the edge of the circular plate II.

[0021] In some embodiments, the shock absorber is cylindrical in shape as a whole, and consists of rigid components in inner and outer layers and a flexible component in the middle layer.

[0022] In some embodiments, the rigid component of the inner layer is an inner cylinder sleeve, the rigid component of the outer layer is an outer cylinder sleeve, and the flexible component of the middle layer is a rubber body; the rubber body is vulcanized and integrally formed with the inner cylinder sleeve and the outer cylinder sleeve; the annular axial surfaces at both ends of the inner cylinder sleeve protrude outward from the annular axial surface of the outer steel sleeve adjacent thereto.

[0023] In some embodiments, the rubber body is provided with at least one through hole penetrating through both end surfaces thereof.

[0024] In some embodiments, the threaded rod is welded to the bottom surface of the mounting shaft, and when the shock absorber is installed in place, the threaded rod is removed; or, the threaded rod is installed in the threaded hole on the bottom surface of the mounting shaft by a threaded connection, and when the shock absorber is installed in place, the threaded rod is removed.

[0025] In a second aspect, the utility model provides a mining dump truck, which is equipped with the above-mentioned sleeve device for assembling the bushing shock-absorbing structure.

[0026] Beneficial effects of the utility model:

[0027] The shock absorber and the mounting shaft have an interference fit to enhance the structural stability; the combined rocker is rotated to screw the shock absorber into the mounting shaft; this installation method is simple and practical, and avoids damage to the shock absorber by knocking or smashing; the bushing shock absorber has the advantages of stable structure, good shock absorption effect, long service life, etc., and can be promoted for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0029] In the attached picture:

[0030] Figure 1 A schematic diagram of a sleeve connection device for assembling a bushing shock absorbing structure according to the utility model Figure 1 ;

[0031] Figure 2 A schematic diagram of a sleeve connection device for assembling a bushing shock absorbing structure according to the utility model Figure 2 ;

[0032] Figure 3 It is a schematic diagram of the shock absorber of the utility model.

[0033] Figure symbols: 1 mounting shaft; 2 shock absorber; 3 circular plate I; 4 nut; 5 threaded rod; 6 rotating combined rocker; 2-1 inner steel sleeve; 2-2 rubber body; 2-3 outer steel sleeve.

[0034] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0036] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] like Figure 1 , Figure 2 As shown, a sleeve device for assembling a bushing shock-absorbing structure comprises a mounting shaft 1, a shock absorber 2, a threaded rod 5 and an assembly component; the top surface of the mounting shaft 1 is fixed on a rigid component; the shock absorber 2 is used to be sleeved on the mounting shaft 1, and the two are interference fit; the top surface of the threaded rod 5 is fixed to the center of the bottom surface of the mounting shaft 1 and extends axially outward therefrom, and the length dimension after extension is greater than the length dimension of the shock absorber 2; the assembly component is installed on the threaded rod 5 in a threaded manner, converting the circumferential rotation into axial movement, thereby pushing the shock absorber 2 to move axially on the mounting shaft 1 until the shock absorber 2 is completely sleeved on the mounting shaft 1.

[0039] The above-mentioned assembly components are further described below.

[0040] Continue to refer to Figure 1 , Figure 2 As shown, the assembly components include a push component and a rotating combined rocker; the push component has an internal thread used in conjunction with the threaded rod 5; the rotating combined rocker 6 is used in conjunction with the push component to drive the push component to rotate and thus move axially.

[0041] For further solutions, please refer to Figure 1 , Figure 2 As shown, the push component includes a circular plate Ⅰ3 with a through hole in the center and a nut 4 for use with a threaded rod 5; the outer diameter of the circular plate Ⅰ3 is larger than the inner diameter of the shock absorber 2; the nut 4 is arranged at the center of the circular plate Ⅰ3 and faces the rotating combined rocker 6, and the nut 4 and the circular plate Ⅰ3 are welded together or the two are cast as one piece.

[0042] For further solutions, please refer to Figure 1 , Figure 2 As shown, the rotary combined rocker 6 includes a circular plate II and a handle; a mounting hole matching the outer contour of the nut 4 is opened at the center of the circular plate II; the handle is fixed on the circular plate II to drive the circular plate II to rotate.

[0043] It should be noted that the nut 4 is a hexagonal nut, and the mounting hole opened in the center of the circular plate II is a hexagonal hole, which is convenient for the circular plate II to be mounted on the nut 4 and the nut 4 to be rotated.

[0044] For further solutions, please refer to Figure 1 , Figure 2 As shown, the handle is a long rod structure, which is fixed on the end surface of the circular plate II away from the pushing component and close to the edge of the circular plate II.

[0045] The above-mentioned shock absorber is further described below.

[0046] like Figure 3 As shown, the shock absorber 2 is cylindrical in shape as a whole, and consists of rigid components in inner and outer layers and a flexible component in the middle layer.

[0047] For further solutions, please refer to Figure 3 As shown, the rigid component of the inner layer is the inner cylinder sleeve 2-1, the rigid component of the outer layer is the outer cylinder sleeve 2-3, and the flexible component of the middle layer is the rubber body 2-2; the rubber body 2-2 is vulcanized and integrally formed with the inner cylinder sleeve 2-1 and the outer cylinder sleeve 2-3; the annular axial surfaces at both ends of the inner cylinder sleeve 2-1 both protrude outward from the annular axial surface of the outer steel sleeve 2-3 adjacent thereto.

[0048] For further solutions, please refer to Figure 3 As shown, a circle of through holes which are evenly spaced and extend axially inward are provided on the annular axial surface of the rubber body 2-2 along the circumferential direction.

[0049] It should be noted that the shock absorber has a steel sleeve structure both inside and outside, which enhances the wear resistance and greatly improves the life of the shock absorber; at the same time, the perforated design of the rubber body inside the shock absorber improves the elasticity of the rubber and reduces the risk of deformation and uneven stress of the shock absorber.

[0050] Continue to refer to Figure 1 , Figure 2 As shown, the threaded rod 5 is welded to the bottom surface of the mounting shaft 1, and when the shock absorber 2 is installed in place, the threaded rod 5 is cut off with a cutting machine; or, the threaded rod 5 is installed in the threaded hole on the bottom surface of the mounting shaft 1 in a threaded connection manner, and when the shock absorber 2 is installed in place, the threaded rod 1 is removed.

[0051] When in use, the shock absorber 2 and the installation shaft 1 have an interference fit to enhance the structural stability; before installation, the threaded rod 5 is fixed to the installation shaft 1, the circular plate Ⅰ3 and the nut 4 are welded together, and the inner surface of the circular plate Ⅰ3 is close to the end surface of the inner steel sleeve 2-1 of the shock absorber 2. During the installation process, the rotating combined rocker 6 with a hexagonal hole is assembled with the nut 4, and the rotating combined rocker 6 screws the shock absorber 2 into the installation shaft 1; this installation method is simple and practical, and avoids damage to the shock absorber by knocking; the bushing shock absorber has the advantages of stable design structure, good shock absorption effect, long service life, etc., and can be promoted for use.

[0052] The utility model also provides a mining dump truck, which is equipped with the above-mentioned sleeve connection device for assembling the bushing shock-absorbing structure.

[0053] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0054] In addition, those skilled in the art will understand that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments also means being within the scope of protection of the present utility model and forming different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved by the present application.

[0055] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A sleeve device for assembling a bushing shock absorbing structure, characterized in that: include: Install the shaft with its top surface fixed to the rigid component; A shock absorber is used to be sleeved on the mounting shaft, with an interference fit between the two; A threaded rod, the top surface of which is fixed to the center of the bottom surface of the mounting shaft and extends axially outward therefrom, and the length dimension after extension is greater than the length dimension of the shock absorber; The assembly component is installed on the threaded rod in a threaded manner, converting the circumferential rotation into axial movement, thereby pushing the shock absorber to move axially on the installation shaft until the shock absorber is completely mounted on the installation shaft.

2. A sleeve connection device for assembling a bushing shock absorbing structure according to claim 1, characterized in that: The assembly components include: A push component having an internal thread for use with the threaded rod; The rotating combined rocker is used in conjunction with the pushing component to drive the pushing component to rotate and thus move axially.

3. A sleeve connection device for assembling a bushing shock absorbing structure according to claim 2, characterized in that: The pushing component comprises: A circular plate I with a through hole in the center, the outer diameter of which is larger than the inner diameter of the shock absorber; The nut used in conjunction with the threaded rod is arranged at the center of the circular plate I and faces the rotating combined rocker. The nut and the circular plate I are welded together or the two are cast as one piece.

4. A sleeve connection device for assembling a bushing shock absorbing structure according to claim 3, characterized in that: The rotating combined rocker comprises: The circular plate II has a mounting hole at its center which matches the outer contour of the nut; The handle is fixed on the circular plate II and is used to drive the circular plate II to rotate.

5. A sleeve connection device for assembling a bushing shock absorbing structure according to claim 4, characterized in that: The handle is a long rod structure, which is fixed on the end surface of the circular plate II away from the pushing component and close to the edge of the circular plate II.

6. A sleeve connection device for assembling a bushing shock absorbing structure according to claim 1, characterized in that: The shock absorber is cylindrical in shape as a whole, and consists of rigid components in inner and outer layers and a flexible component in the middle layer.

7. A sleeve connection device for assembling a bushing shock absorbing structure according to claim 6, characterized in that: The rigid component of the inner layer is the inner cylinder sleeve, the rigid component of the outer layer is the outer cylinder sleeve, and the flexible component of the middle layer is the rubber body; the rubber body is vulcanized and integrally formed with the inner cylinder sleeve and the outer cylinder sleeve; The annular axial surfaces at both ends of the inner cylinder sleeve protrude outwards from the annular axial surface of the outer steel sleeve adjacent thereto.

8. A sleeve connection device for assembling a bushing shock absorbing structure according to claim 7, characterized in that: The rubber body is provided with at least one through hole penetrating through both end surfaces thereof.

9. A sleeve connection device for assembling a bushing shock absorbing structure according to claim 1, characterized in that: The threaded rod is welded to the bottom surface of the mounting shaft, and when the shock absorber is installed in place, the threaded rod is removed; or, the threaded rod is installed in the threaded hole on the bottom surface of the mounting shaft in a threaded connection manner, and when the shock absorber is installed in place, the threaded rod is removed.

10. A mining dump truck, characterized in that: A sleeve connection device for assembling a bushing shock absorbing structure according to any one of claims 1 to 9 is installed.

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