CN111963599A

CN111963599A - Auxiliary damping device and power equipment

Info

Publication number: CN111963599A
Application number: CN202010877543.7A
Authority: CN
Inventors: 杜坚; 夏杰龙; 胡西云
Original assignee: Hunan Sany Medium Lifting Machinery Co Ltd
Current assignee: Hunan Sany Medium Lifting Machinery Co Ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-11-20

Abstract

The embodiment of the invention provides an auxiliary damping device and power equipment, and relates to the field of vehicle damping. The power equipment comprises the auxiliary damping device. The auxiliary damping device and the power equipment have good buffering performance.

Description

Auxiliary damping device and power equipment

Technical Field

The invention relates to the field of vehicle shock absorption, in particular to an auxiliary shock absorption device and power equipment.

Background

The speed changer of commercial vehicle or special-purpose vehicle on the market at present installs in the frame, and the speed changer can produce the vibration when normal operating, generally, installs supplementary damping device on the speed changer and carries out the shock attenuation to the speed changer. However, in the prior art, during the installation of the transmission, the central axis of the transmission is inclined relative to the surface of the base, so that the damping device cannot be well abutted against the base after being installed on the transmission, thereby causing poor damping effect.

Disclosure of Invention

The object of the present invention includes, for example, providing an auxiliary damping device and a power plant which are effective in improving the above-mentioned technical problems.

Embodiments of the invention may be implemented as follows:

in a first aspect, an embodiment of the present invention provides an auxiliary damping device for damping a transmission in a housing, the housing having a reference plane on an upper side thereof, a central axis of the transmission being inclined at a first inclination angle with respect to the reference plane, the auxiliary damping device including a strut member and a damping member, a portion of the strut member being adapted to be connected to the transmission, another portion of the strut member being adapted to be connected to the damping member, the connecting plane being adapted to be inclined at a second inclination angle with respect to the reference plane so as to compensate for the first inclination angle, such that an entirety of a side of the damping member away from the strut member abuts against the reference plane.

In an alternative embodiment, the second tilt angle is equal to the first tilt angle.

In an optional embodiment, the support member includes a cross beam and a connecting member, the connecting member is connected to both ends of the cross beam, and the connecting plane is disposed on each connecting member.

In an optional embodiment, the connecting member includes a vertical plate and a connecting plate, one side of the vertical plate is connected to the cross beam, the other side of the vertical plate is connected to one side of the connecting plate, and a surface of one side of the connecting plate, which is far away from the vertical plate, forms the connecting plane.

In an alternative embodiment, a mounting plane attached to the connecting plate is disposed on a side of the vertical plate away from the cross beam, the mounting plane and the reference plane are inclined at a third inclination angle, and the third inclination angle is equal to the first inclination angle, so that a side surface of the connecting plate away from the mounting plane forms the connecting plane.

In an alternative embodiment, the buffer member includes a spring, and two ends of the spring respectively abut against the connection plane and the reference plane.

In an optional embodiment, the buffer further comprises a connecting shaft, one end of the connecting shaft is connected with the connecting plate, and the spring is sleeved on the connecting shaft.

In an optional embodiment, in the same connecting piece, the number of the vertical plates is two, the two vertical plates are arranged at intervals, the connecting plate is simultaneously connected with the two vertical plates to form a transition cavity in an enclosing manner, a connecting hole communicated with the transition cavity is formed in the connecting plate, and the connecting shaft is matched with the connecting hole.

In an alternative embodiment, the cross beam is provided with an auxiliary through hole aligned with the connection hole.

In a second aspect, an embodiment of the present invention provides a power plant, including a base, a transmission and the auxiliary damping device of any one of the foregoing embodiments, wherein the transmission is located in the base, the supporting member is connected to the transmission, and the damping member abuts against the reference plane.

In an optional implementation mode, the power equipment further comprises a sleeve installed on the base, and the sleeve is sleeved on the buffer piece so that the buffer piece is limited in the circumferential direction of the sleeve.

The beneficial effects of the embodiment of the invention include, for example:

the embodiment of the invention provides an auxiliary damping device which comprises a supporting piece and a damping piece, wherein one part of the supporting piece is connected with a transmission, the other part of the supporting piece is provided with a connecting plane connected with the damping piece, and the connecting plane is obliquely arranged at a second inclination angle relative to a reference plane of a machine base, so that the deviation caused by the first inclination angle can be compensated, the whole side of the damping piece, far away from the supporting piece, can be abutted against the reference plane, and the good damping effect of the damping piece is ensured.

The embodiment of the invention also provides power equipment which comprises the auxiliary damping device and has all functions of the auxiliary damping device. The power equipment also has good buffering performance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a transmission, a base and an auxiliary damping device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a transmission, a base and an auxiliary damping device according to an embodiment of the present invention from a second perspective;

FIG. 3 is a schematic structural diagram of a connector according to an embodiment of the present invention from a first perspective;

FIG. 4 is a schematic structural diagram of a connector according to an embodiment of the present invention from a second perspective;

FIG. 5 is a schematic structural diagram of a connector according to an embodiment of the present invention from a third perspective;

fig. 6 is an enlarged schematic view of a portion a of fig. 2.

Icon: 1-auxiliary damping means; 11-a support; 111-connection plane; 112-a cross beam; 1121-mounting holes; 1122-auxiliary via holes; 113-a connector; 1131-vertical plate; 1132 — a connection board; 1133 — a mounting plane; 1134 — a transition cavity; 1135-connecting hole; 12-a buffer; 121-a spring; 122-a connecting shaft; 2-a machine base; 21-a reference plane; 3-a transmission; 31-a central axis; 4-sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1, the present embodiment provides a power plant, which includes an engine, a transmission 3, a base 2 and an auxiliary damping device 1, wherein the engine and the transmission 3 are both mounted in the base 2, and the engine is in transmission connection with the transmission 3, it can be understood that the engine can output kinetic energy through the transmission 3, and the specific operation principle is described in the related art and will not be described in detail here.

In the present embodiment, the base 2 has a reference plane 21 on the upper side, and the reference plane 21 coincides with the horizontal plane in the normal operation state of the base 2.

Referring to fig. 1 to 3, in the present embodiment, the central axis 31 of the transmission 3 is inclined at a first inclination angle with respect to the reference plane 21, the auxiliary damping device 1 includes the support member 11 and the buffer member 12, one portion of the support member 11 is connected to the transmission 3, the other portion of the support member 11 is provided with the connection plane 111 connected to the buffer member 12, and the connection plane 111 is inclined at a second inclination angle with respect to the reference plane 21, so that a deviation caused by the first inclination angle can be compensated, and all of the sides of the buffer member 12 away from the support member 11 can be abutted to the reference plane 21, thereby ensuring a good damping effect of the buffer member 12.

In the present embodiment, the second inclination angle is equal to the first inclination angle, so that the inclination caused by the first inclination angle can be completely compensated, the compensation effect is better, and it is advantageous for all the sides of the cushion 12 away from the support 11 to abut on the reference plane 21.

Of course, in other embodiments, the second tilt angle may be greater than or less than the first tilt angle.

Note that, in general, in actual operation, an oil pump is also installed above the transmission 3, and a gap between the oil pump and the transmission 3 is small. Therefore, in the present embodiment, the support 11 is directly connected to the transmission 3, and no additional component is disposed between the support 11 and the transmission 3, so that the space can be effectively saved, and the installation requirement between the oil pump and the transmission 3 can be met.

Referring to fig. 3-5, in the present embodiment, the supporting member 11 includes a cross beam 112 and connecting members 113, the connecting members 113 are connected to two ends of the cross beam 112, and each connecting member 113 is provided with a connecting plane 111. In this way, each connecting member 113 is connected to the buffer member 12, which not only improves the overall stability, but also improves the overall buffering performance of the auxiliary damping device 1.

Referring to fig. 2, in the present embodiment, the whole of the cross beam 112 spans the base 2, the two dampers 12 are respectively abutted against the edges of the base 2 spaced apart from each other, the middle of the cross beam 112 is provided with a mounting hole 1121, and during actual mounting, a bolt passes through the mounting hole 1121 and is connected to the housing of the transmission 3.

In this way, the transmission 3 drives the cross beam 112 to vibrate in the vibration process, the cross beam 112 is connected with the buffer 12 through the connecting piece 113, and the buffer 12 reciprocates between the connecting plane 111 and the reference plane 21, so that the buffer effect is achieved.

Referring to fig. 4, in the present embodiment, the connecting member 113 includes a vertical plate 1131 and a connecting plate 1132, one side of the vertical plate 1131 is connected to the beam 112, the other side of the vertical plate 1131 is connected to one side of the connecting plate 1132, and a surface of one side of the connecting plate 1132, which is far away from the vertical plate 1131, forms the connecting plane 111.

Specifically, with reference to fig. 1 and fig. 5, in this embodiment, a mounting plane 1133 attached to the connecting plate 1132 is disposed on a side of the riser 1131 away from the beam 112, the mounting plane 1133 is disposed at a third inclination angle relative to the reference plane 21, and the third inclination angle is equal to the first inclination angle, so that after the connecting plate 1132 is attached to the mounting plane 1133, a side surface of the connecting plate 1132 away from the mounting plane 1133 is also inclined relative to the reference plane 21, that is, a side surface of the connecting plate 1132 away from the mounting plane 1133 can form the above-mentioned connecting plane 111.

It should be noted that, in other embodiments, the mounting plane 1133 and the reference plane 21 may be arranged in parallel, and the thickness of the connecting plate 1132 is gradually thicker in the direction from the front end of the transmission 3 to the rear end of the transmission 3, so that the surface of one side of the connecting plate 1132 away from the riser 1131 can form the aforementioned connecting plane 111 meeting the inclination requirement. In addition, referring to fig. 1, the front end of the transmission 3 is the left end of the transmission 3 in fig. 1, and the rear end of the transmission 3 is the right end of the transmission 3 in fig. 1.

It should be noted that, in actual installation, taking fig. 1 as an example, the front end of the transmission 3 is higher than the rear end of the transmission 3, and then the vertical plate 1131 can make the front end of the installation plane 1133 lower than the rear end of the installation plane 1133 when being installed, so that the front end of the connection plane 111 can be made lower than the rear end of the connection plane 111, thereby compensating the inclination angle of the central axis 31 of the transmission 3, making all the surfaces of the side of the cushion 12 away from the connection plate 1132 capable of abutting against the reference plane 21, and effectively ensuring good damping performance of the cushion 12.

Referring to fig. 6, in the present embodiment, the buffer 12 includes a spring 121, and two ends of the spring 121 respectively abut against the connection plane 111 and the reference plane 21. It will be appreciated that the spring 121, whether compressed or extended, provides a cushioning effect, thus effectively ensuring good shock absorption.

It should be noted that in other embodiments, the spring 121 is replaced by a rubber pad.

Referring to fig. 6, in this embodiment, the buffer 12 further includes a connecting shaft 122, one end of the connecting shaft 122 is connected to the connecting plate 1132, and the spring 121 is sleeved on the connecting shaft 122. Like this, spring 121 is being carried out the absorbing in-process, is difficult to appear inclining or the condition of inclining, can guarantee the shock attenuation effect effectively.

Referring to fig. 6, in the present embodiment, the power device further includes a sleeve 4, and the sleeve 4 is sleeved on the spring 121, so that the sleeve 4 can limit the spring 121 in the circumferential direction thereof, thereby limiting irregular movement of the spring 121 and ensuring good damping performance.

With reference to fig. 4, in this embodiment, in the same connecting member 113, the number of the vertical plates 1131 is two, the two vertical plates 1131 are arranged at intervals, and the connecting plate 1132 is connected to the two vertical plates 1131 at the same time, so that a transition cavity 1134 can be formed by enclosing the connecting plate 1132 and the two vertical plates 1131, and a connecting hole 1135 communicated with the transition cavity 1134 is formed in the connecting plate 1132.

Thus, the connecting shaft 122 can pass through the connecting hole 1135, and the connecting shaft 122 is matched with the connecting hole 1135, so that the effect of relatively fixing between the connecting shaft 122 and the connecting plate 1132 is achieved. Further, in practical operation, the connecting shaft 122 may be fixed to the connecting plate 1132 by a nut, so as to prevent the connecting shaft 122 from being separated from the connecting hole 1135.

Referring to fig. 3, in the present embodiment, the cross beam 112 is provided with an auxiliary through hole 1122, and the auxiliary through hole 1122 is aligned with the connecting hole 1135. It will be appreciated that the auxiliary through-hole 1122 is also in communication with the transition cavity 1134, such that during installation of the nut and the connecting shaft 122, an installation tool may be used to enter the transition cavity 1134 through the auxiliary through-hole 1122, thereby installing the nut on the connecting shaft 122 such that the connecting shaft 122 and the connecting plate 1132 are maintained relatively fixed.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. An auxiliary damping device for damping a transmission (3) in a machine base (2), the upper side of the base (2) is provided with a reference plane (21), the central axis (31) of the speed changer (3) is inclined relative to the reference plane (21) by a first inclination angle, characterized in that the auxiliary damping device (1) comprises a support element (11) and a damping element (12), one part of the support (11) is used for connecting with the transmission (3), another part of the supporting element (11) is provided with a connecting plane (111) connected with the buffer element (12), the connection plane (111) is arranged inclined with respect to the reference plane (21) at a second inclination angle to compensate for the first inclination angle, so that the whole of one side of the buffer piece (12) far away from the support piece (11) is abutted against the reference plane (21).

2. The auxiliary damping device according to claim 1, wherein the second inclination angle is equal to the first inclination angle.

3. The auxiliary shock-absorbing device as claimed in claim 1, wherein the supporting member (11) comprises a cross beam (112) and connecting members (113), the connecting members (113) are connected to both ends of the cross beam (112), and the connecting plane (111) is disposed on each connecting member (113).

4. The auxiliary shock absorber device as claimed in claim 3, wherein the connecting member (113) comprises a vertical plate (1131) and a connecting plate (1132), one side of the vertical plate (1131) is connected to the cross beam (112), the other side of the vertical plate (1131) is connected to one side of the connecting plate (1132), and a surface of one side of the connecting plate (1132) far away from the vertical plate (1131) forms the connecting plane (111).

5. The auxiliary damping device according to claim 4, characterized in that a side of the vertical plate (1131) away from the cross beam (112) is provided with a mounting plane (1133) attached to the connecting plate (1132), the mounting plane (1133) and the reference plane (21) are inclined at a third inclination angle, which is equal to the first inclination angle, so that a side surface of the connecting plate (1132) away from the mounting plane (1133) forms the connecting plane (111).

6. The auxiliary damping device according to claim 4, characterized in that said damping member (12) comprises a spring (121), both ends of said spring (121) abutting against said connection plane (111) and said reference plane (21), respectively.

7. The auxiliary shock-absorbing device of claim 6, wherein the shock-absorbing member (12) further comprises a connecting shaft (122), one end of the connecting shaft (122) is connected to the connecting plate (1132), and the spring (121) is sleeved on the connecting shaft (122).

8. The auxiliary shock absorber device according to claim 7, wherein in the same connecting member (113), the number of the vertical plates (1131) is two, the two vertical plates (1131) are arranged at intervals, the connecting plate (1132) is simultaneously connected with the two vertical plates (1131) to form a transition cavity (1134) in a surrounding manner, a connecting hole (1135) communicated with the transition cavity (1134) is formed in the connecting plate (1132), and the connecting shaft (122) is matched with the connecting hole (1135).

9. A power plant characterized by comprising a housing (2), a derailleur (3) and an auxiliary damping device (1) according to any one of claims 1 to 8, said derailleur (3) being located inside said housing (2), said support (11) being connected to said derailleur (3), said damper (12) being in abutment against said reference plane (21).

10. The power equipment of claim 9, further comprising a sleeve (4) mounted on the base (2), wherein the sleeve (4) is sleeved on the buffer member (12) to limit the buffer member (12) in the circumferential direction of the sleeve (4).