CN218258461U - Damping mechanism and differential drive steering wheel with same - Google Patents
Damping mechanism and differential drive steering wheel with same Download PDFInfo
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- CN218258461U CN218258461U CN202221775176.0U CN202221775176U CN218258461U CN 218258461 U CN218258461 U CN 218258461U CN 202221775176 U CN202221775176 U CN 202221775176U CN 218258461 U CN218258461 U CN 218258461U
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Abstract
The utility model provides a damping mechanism and a differential drive steering wheel device with the same, wherein the damping mechanism comprises an upper connecting plate which is horizontally arranged; the pair of side connecting plates are respectively arranged below the upper connecting plate in a left-right symmetrical manner; the upper part of the inner wall of the side connecting plate is hinged with an upper rotating arm, the other end of the upper rotating arm is hinged in the middle of the bottom of the upper connecting plate, the lower part of the inner wall of the side connecting plate is hinged with a lower rotating arm group, the other end of the lower rotating arm group is hinged on the side of the bottom of the upper connecting plate, and the pair of upper rotating arms and the pair of lower rotating arm groups form a symmetrical structure respectively about the central line of the upper connecting plate; wherein, a stretching elastic piece is arranged between the lower parts of the left and right side connecting plates. The folding mechanism formed by the pair of upper rotating arms and the pair of lower rotating arms rotates correspondingly to drive the upper connecting plate to lift and the side connecting plate to deflect at an angle, so that the buffering effect is realized, and the function of large-amplitude shock absorption is realized in a narrow space.
Description
Technical Field
The utility model belongs to the technical field of the helm technique and specifically relates to a damper and have its differential drive helm device is related to.
Background
The damping mechanism is widely applied to mechanical equipment to play a role in buffering the equipment and protecting parts of the equipment, so that the service life of the equipment is prolonged.
For example, the steering wheel in the AGV field generally needs to cooperate with a damping mechanism to use when in use, so as to improve the damping effect. A differential driving steering wheel is arranged in the field of AGV, namely a steering wheel driving device is formed by two driving wheels, and steering of the AGV trolley is realized through speed difference of the two driving wheels. The damping mechanism applied to the differential drive steering wheel at present is mostly an elastic part damping unit vertically arranged, occupies a large space, and has a poor damping effect and limited use for the low differential drive steering wheel.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a damper and have its differential drive rudder wheel device, compact structure can solve the big problem of damper occupation space among the prior art.
To achieve the above object, according to an aspect of the present invention, there is provided a damper mechanism, including:
the upper connecting plate is horizontally arranged;
the pair of side connecting plates are respectively arranged below the upper connecting plate in a left-right symmetrical manner;
the upper part of the inner wall of the side connecting plate is hinged with an upper rotating arm, the other end of the upper rotating arm is hinged in the middle of the bottom of the upper connecting plate, the lower part of the inner wall of the side connecting plate is hinged with a lower rotating arm group, the other end of the lower rotating arm group is hinged on the side of the bottom of the upper connecting plate, and the pair of upper rotating arms and the pair of lower rotating arm groups form a symmetrical structure about the central line of the upper connecting plate respectively;
wherein, a stretching elastic piece is arranged between the lower parts of the left and right side connecting plates.
By adopting the structural design, the elastic piece between the lower parts of the pair of side connecting plates is always in a stretched state, so that the upper end of the lower rotating arm group is forced to rotate towards the outer side, and the upper connecting plate is lifted upwards; conversely, when the upper connecting plate sinks downwards, the lower end of the upper rotating arm pushes the upper end of the side connecting plate outwards so as to adjust the inclination angle of the side connecting plate; when a folding mechanism formed by the pair of upper rotating arms and the pair of lower rotating arms rotates correspondingly, the upper connecting plate is driven to lift and the side connecting plates deflect angularly, so that the buffering effect is realized, and the function of large-amplitude shock absorption is realized in a narrow space.
Further, the lower rotating arm group comprises a pair of lower rotating arms which are parallel at intervals, the lower ends of the lower rotating arms are connected to the lower portion of the inner wall of the side connecting plate through lower hinged seats, and the upper ends of the lower rotating arms are connected to the side of the bottom of the upper connecting plate through first hinged seats. The lower rotating arm group on one side adopts two lower rotating arms, so that the stress balance of the upper connecting plate is better, and the stability of structural installation is ensured.
Furthermore, two be connected with a connecting shaft portion jointly between the articulated seat down, the both ends of elastic component connect respectively in connecting shaft portion. Thus, the elastic member is ensured to be stretched smoothly.
Furthermore, the lower end of the upper rotating arm is connected to the upper portion of the inner wall of the side connecting plate through an upper hinged seat, and the upper end of the upper rotating arm penetrates through the middle of the two lower rotating arms and then is connected to the middle of the bottom of the upper connecting plate through a second hinged seat. The installation of the upper rotating arm is facilitated, the structure is more compact, and the height utilization rate is further improved.
Further, the two second hinged seats are arranged in a front and a rear mode and are located on the central line of the upper connecting seat. The damping stroke of the damping mechanism is increased.
Furthermore, two be connected with a spacing axial region jointly between the articulated seat of first, go up the pivot setting and in the below of spacing axial region. When the limiting shaft part touches the upper rotating arm, the upper connecting plate is shown to be at the maximum lifting height.
According to another aspect of the present invention, there is provided a differential driving steering wheel device including a rotating unit, a pair of steering wheel assemblies, and a damping mechanism; the damping mechanism adopts the damping mechanism, the rotating unit is connected to the upper connecting plate, and the steering wheel assembly is connected to the outer wall of the side connecting plate. The damping mechanism can be applied to the low AGV differential driving rudder wheel device, and the purpose of obtaining excellent damping effect under a lower installation distance is achieved.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the attached drawings.
Figure 1 shows a schematic structural view of a first perspective of an embodiment of a damping mechanism according to the present invention;
figure 2 shows a schematic structural view of a second perspective of an embodiment of a shock absorbing mechanism according to the present invention;
fig. 3 shows a schematic view of an embodiment of a differentially driven steering wheel arrangement according to the invention;
in the figures, the various reference numbers are:
1-upper connecting plate, 2-side connecting plate, 3-upper rotating arm, 4-lower rotating arm group, 11-first hinged seat, 12-second hinged seat, 21-lower hinged seat, 22-upper hinged seat, 41-lower rotating arm, 42-limiting shaft part, 43-connecting shaft part, 100-damping mechanism, 200-rotating unit and 300-steering wheel assembly.
Detailed Description
In order to illustrate the invention more clearly, the invention is further described below with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
As shown in fig. 1 and 2, the damping mechanism of the present invention includes an upper connecting plate 1 and a pair of side connecting plates 2.
Specifically, the upper connecting plate 1 is arranged horizontally, and the pair of side connecting plates 2 are respectively arranged below the upper connecting plate 1 in a left-right symmetrical manner, it should be noted that the materials and specific shapes of the upper connecting plate and the pair of side connecting plates can be selected by those skilled in the art according to the technical scheme to be made into the shape with aesthetic appearance in structure.
The upper portion of the inner wall of the side connecting plate 2 is hinged with an upper rotating arm 3, the other end of the upper rotating arm 3 is hinged to the middle of the bottom of the upper connecting plate 1, the lower portion of the inner wall of the side connecting plate 2 is hinged with a lower rotating arm group 4, the other end of the lower rotating arm group 4 is hinged to the side of the bottom of the upper connecting plate 1, the pair of upper rotating arms 3 and the pair of lower rotating arm groups 4 form a symmetrical structure about the center line of the upper connecting plate 1, and similarly, the pair of upper rotating arms and the pair of lower rotating arm groups also have certain structural strength.
It is also critical that a tensile elastic member (not shown in the drawings) is provided between the lower portions of the left and right side link plates 2, and the elastic member is specifically a mechanical spring as an energy storage member of the damper mechanism.
In the actual production process, the damping mechanism pays more attention to the symmetry of the structure, a pair of side connecting plates, a pair of upper rotating arms and a pair of lower rotating arm groups need to meet bilateral symmetry, and the center lines of the upper connecting plates are used as symmetry reference lines.
The lower rotating arm set 4 comprises a pair of spaced parallel lower rotating arms 41, the lower ends of the lower rotating arms 41 are connected to the lower part of the inner wall of the side connecting plate 2 through lower hinged bases 21, and the upper ends of the lower rotating arms 41 are connected to the bottom side of the upper connecting plate 1 through first hinged bases 11.
A connecting shaft 43 is connected between the two lower hinge seats 21, and two ends of the elastic member are connected to the connecting shaft 43 respectively.
The lower end of the upper swing arm 3 is connected to the upper part of the inner wall of the side connection plate 2 through the upper hinge seat 22, and the upper end of the upper swing arm 3 passes through the space between the two lower swing arms 41 and then is connected to the middle of the bottom of the upper connection plate 1 through the second hinge seat 12.
Presetting a state: under the stretching action of the elastic piece, the lower parts of the two side connecting plates 2 are forced to be folded towards the middle position, but because the upper rotating arms 3 are arranged between the upper parts of the side connecting plates 2 and the upper connecting plates 1, the upper connecting plates 1 are upwards jacked up by the upper ends of the upper rotating arms 3, and the upper parts of the side connecting plates 2 are outwards pushed by the lower ends of the upper rotating arms 3, so that the side connecting plates form an outwards open posture.
When the upper connecting plate 1 is forced to sink downwards, the upper end of the upper rotating arm 3 moves downwards, the lower end of the lower rotating arm 41 pushes the lower portion of the side connecting plate 2 outwards, and the lower end of the upper rotating arm 3 pulls the upper portion of the side connecting plate 2 inwards, so that the side connecting plate can form an inwards folded posture.
In order to improve the lifting height difference of the upper connecting plate and increase the vertical damping stroke of the damping mechanism, the two second hinged seats 12 are arranged in the front and back directions and are both positioned on the central line of the upper connecting seat 1, so that the upper rotating fulcrums of the two upper rotating arms are overlapped, and the rotating angle of the upper rotating arms is maximized.
A limit shaft part 42 is connected between the two first hinge seats 11, and the upper swing arm 3 is arranged below the limit shaft part 42. When the limiting shaft part touches the upper rotating arm, the upper connecting plate is shown to be at the maximum lifting height. In addition, because the upper rotation arm and the limit shaft part can be contacted, when the limit shaft part is contacted with the upper rotation arm, the pair of upper rotation arms and the pair of lower rotation arms are kept in a static state and can not rotate relatively, and the elastic part between the lower parts of the pair of side connecting plates is in a stretching state, and the elastic part is always in a stretched state.
Referring to fig. 3, the present application also provides a differential driving rudder wheel apparatus including a rotating unit 200, a pair of rudder wheel assemblies 300 and a damping mechanism 100; the damping mechanism 100 is the damping mechanism, the rotating unit 200 is connected to the upper connecting plate 1, and the steering wheel assembly 300 is connected to the outer wall of the side connecting plate 2.
In the working process: the rotating unit 200 is connected to the vehicle body, when the vehicle body is forced to settle, the upper connecting plate 1 is pressed downwards, the upper end of the upper rotating arm 3 moves downwards, the lower end of the lower rotating arm group 4 pushes the lower part of the side connecting plate 2 outwards, and the lower end of the upper rotating arm 3 pulls the upper part of the side connecting plate 2 inwards, so that the side connecting plate 2 forms an inwards folded posture, and the contact surface of the steering wheel assembly 300 and the ground is enlarged; when the load of the vehicle body is reduced, the upper connecting plate 1 is lifted upwards appropriately, and under the stretching action of the elastic element, the lower parts of the two side connecting plates 2 are forced to be folded towards the middle position, but because the upper rotating arm 3 is arranged between the upper part of the side connecting plate 2 and the upper connecting plate 1, the upper end of the upper rotating arm 3 moves upwards along with the upper connecting plate 1, and the lower end of the upper rotating arm 3 pushes the upper part of the side connecting plate 2 outwards, so that the side connecting plate 2 forms an outwards-opened posture, and the contact surface of the steering wheel assembly 300 and the ground is reduced. In the process of the up-and-down movement of the upper connecting plate 1, the side connecting plate 2 can correspondingly incline outwards and inwards to adjust the contact condition of the steering wheel assembly 300 and the ground, so that the anti-skid effect is achieved, and the connecting rod assembly consisting of the pair of upper rotating arms 3 and the pair of lower rotating arm groups 4 is combined with the upper elastic part to achieve the shock absorption effect in the vertical direction.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and that other variations or modifications of different forms can be made on the basis of the above description for those skilled in the art, and all the embodiments cannot be exhausted here, and all the obvious variations or modifications led out by the technical solutions of the present invention are still in the scope of the present invention.
Claims (7)
1. Damper, its characterized in that includes:
the upper connecting plate is horizontally arranged;
the pair of side connecting plates are respectively arranged below the upper connecting plate in a left-right symmetrical manner;
the upper part of the inner wall of the side connecting plate is hinged with an upper rotating arm, the other end of the upper rotating arm is hinged in the middle of the bottom of the upper connecting plate, the lower part of the inner wall of the side connecting plate is hinged with a lower rotating arm group, the other end of the lower rotating arm group is hinged on the side of the bottom of the upper connecting plate, and the pair of upper rotating arms and the pair of lower rotating arm groups form a symmetrical structure about the central line of the upper connecting plate respectively;
wherein, a tensile elastic piece is arranged between the lower parts of the left and the right side connecting plates.
2. The shock absorbing mechanism as set forth in claim 1, wherein said lower set of swing arms includes a pair of spaced parallel lower swing arms, the lower ends of said lower swing arms being connected to the lower portion of the inner wall of the side link plate by lower hinge seats, and the upper ends of said lower swing arms being connected to the bottom side of the upper link plate by first hinge seats.
3. The damper mechanism according to claim 2, wherein a connecting shaft portion is connected between the two lower hinge seats, and both ends of the elastic member are connected to the connecting shaft portion, respectively.
4. The shock absorbing mechanism according to claim 2, wherein the lower end of the upper swing arm is connected to the upper portion of the inner wall of the side connecting plate through an upper hinge seat, and the upper end of the upper swing arm passes through between the two lower swing arms and is connected to the middle of the bottom of the upper connecting plate through a second hinge seat.
5. The damping mechanism according to claim 4, wherein the two second hinge seats are arranged in front and rear directions and are located on a center line of the upper connecting plate.
6. The damping mechanism according to claim 5, wherein a limiting shaft portion is connected between the two first hinge seats, and the upper rotation arm is disposed below the limiting shaft portion.
7. The differential driving steering wheel device is characterized by comprising a rotating unit, a pair of steering wheel assemblies and a damping mechanism; the damping mechanism is as claimed in any one of claims 1 to 6, the rotating unit is connected to the upper connecting plate, and the steering wheel assembly is connected to the outer wall of the side connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221775176.0U CN218258461U (en) | 2022-07-11 | 2022-07-11 | Damping mechanism and differential drive steering wheel with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221775176.0U CN218258461U (en) | 2022-07-11 | 2022-07-11 | Damping mechanism and differential drive steering wheel with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218258461U true CN218258461U (en) | 2023-01-10 |
Family
ID=84760915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221775176.0U Active CN218258461U (en) | 2022-07-11 | 2022-07-11 | Damping mechanism and differential drive steering wheel with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218258461U (en) |
-
2022
- 2022-07-11 CN CN202221775176.0U patent/CN218258461U/en active Active
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