CN211447975U

CN211447975U - Tire centre gripping arm and tire clamping device

Info

Publication number: CN211447975U
Application number: CN201922196782.1U
Authority: CN
Inventors: 李洪谊; 夏宗群; 管青文
Original assignee: Liaoning Shenfu New District Pobao Parking Technology Co ltd
Current assignee: Liaoning pobao Robot Technology Co., Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-08
Anticipated expiration: 2029-12-10

Abstract

A tire clamping arm and a tire clamping device belong to the technical field of wheel holding type carriers. The clamping arm comprises a clamping arm main body and a plurality of rows of clamping auxiliary wheel sets arranged on the clamping arm main body, and the surfaces of the clamping auxiliary wheel sets, which are in contact with automobile tires, are integrally inclined. The invention adopts the scheme of arranging the clamping auxiliary wheel sets in multiple rows, ensures a certain cut-in angle when the clamping arms clamp the wheel, reduces the extrusion of the auxiliary wheels to the tire in the clamping process, and ensures that the clamping process is more stable.

Description

Tire centre gripping arm and tire clamping device

Technical Field

The invention belongs to the technical field of wheel embracing type carriers, and particularly relates to a tire clamping arm and a tire clamping device.

Background

The application of mechanical parking garage is the current generally thought to solve the difficult problem of parking effective method, and the carrier is some intelligent parking garage inside the main component part. The wheel holding type automobile carrying mode is the carrying mode with the strongest application capability and has the widest application prospect. Embrace wheeled carrier and mainly use two tire centre gripping arms horizontal direction clamps to get the tire, make the vehicle break away from ground to carry the vehicle. The clamping arm and the vehicle tire are easy to damage due to instability when the vehicle wheel is clamped at present.

The scheme of arranging that single row auxiliary wheel was adopted more to the centre gripping arm at present, and the entrance angle is great when pressing from both sides and getting, leads to the tire extrusion force that receives great when pressing from both sides and getting the tire, has more obvious extrusion phenomenon to the tire. Simultaneously, every centre gripping arm adopts the scheme that solitary auxiliary wheel supported with ground, should produce jolting when passing through the seam when carrying the vehicle, seriously blocks even and leads to the auxiliary wheel to damage.

Disclosure of Invention

In order to solve the technical problems, the invention provides a tire clamping arm and a tire clamping device, wherein a certain cut-in angle is formed when a clamping arm clamps a wheel, so that the extrusion of an auxiliary wheel to the tire in the clamping process is reduced.

The purpose of the invention is realized by the following technical scheme:

the invention relates to a tire clamping arm which comprises a clamping arm main body and a plurality of rows of clamping auxiliary wheel sets arranged on the clamping arm main body, wherein the surfaces of the plurality of rows of clamping auxiliary wheel sets, which are in contact with an automobile tire, integrally form an inclined plane.

Preferably, the auxiliary clamping wheel set comprises one or more auxiliary clamping wheels arranged on an auxiliary clamping wheel shaft, and when the auxiliary clamping wheels are multiple, the multiple auxiliary clamping wheels are arranged in parallel.

Preferably, the inclined plane formed by the clamping auxiliary wheel sets in the multiple rows forms an acute included angle alpha with the ground.

Preferably, the included angle α is 10 ° to 40 °.

Preferably, the plurality of rows of auxiliary clamping wheel sets are arranged in three or more rows.

Preferably, the plurality of rows of auxiliary clamping wheel sets are arranged in two rows, wherein the diameter of the auxiliary clamping wheel set at the ground end is smaller than that of the auxiliary clamping wheel set at the end far away from the ground surface.

Preferably, one end of the clamping arm main body is provided with a connecting structure for connecting the body, and the other end of the clamping arm main body is provided with a movable auxiliary wheel.

Preferably, the middle position of the grounding side of the clamping arm main body is also provided with the movement auxiliary wheel.

The invention relates to a tire clamping device which comprises a body and two sets of tire clamping arm devices, wherein the two sets of tire clamping arm devices are respectively and symmetrically arranged on two sides of the body, each set of tire clamping arm device comprises two tire clamping arms, the clamping arms of the two sets of tire clamping arm devices are matched to clamp an automobile tire, and the two sets of tire clamping arm devices simultaneously clamp two front wheels or two rear wheels of an automobile.

The invention has the beneficial effects that:

1. the clamping auxiliary wheel set adopts a multi-row (2 rows or more than 2 rows) arrangement scheme. The clamping arm can ensure that a certain cut-in angle exists when the clamping arm clamps the wheel, the extrusion of the auxiliary wheel to the tire in the clamping process is reduced, and the clamping process is more stable.

2. The tail end of the clamping arm and the ground are supported by the movable auxiliary wheel. The number of the movable auxiliary wheels is 2 or more than 2, so that at least one auxiliary wheel is ensured to be in contact with the ground when passing through the joint.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.

Fig. 2 is a perspective view of a bottom portion of fig. 1.

Fig. 3 is a schematic plan view of the present invention.

Fig. 4 is a schematic sectional view taken along line a-a of fig. 3 according to embodiment 1 of the present invention.

Fig. 5 is a schematic sectional view taken along line a-a of fig. 3 according to embodiment 2 of the present invention.

Fig. 6 is a schematic structural diagram of embodiment 3 of the present invention.

In the figure: 1. the clamping arm comprises a clamping arm body 11, a clamping auxiliary wheel 12, a clamping auxiliary wheel 13, a clamping auxiliary wheel shaft 14, a first moving auxiliary wheel 15, a connecting structure 16, a second moving auxiliary wheel 17 and a moving auxiliary wheel shaft;

2. the carrier comprises a wheel holding type carrier, 3, a carrier body, 5, a clamping auxiliary wheel set at a grounding end, and 6, a clamping auxiliary wheel set at a far end from a ground surface.

Detailed Description

The tire gripping arm assembly of the present invention will now be described in detail with reference to the accompanying drawings, wherein the specific embodiments are presented for purposes of illustration and description only and are not intended to be limiting.

Example 1: as shown in fig. 1 and 2, a tire clamping arm 1 includes a clamping arm body 11 and a plurality of rows of auxiliary clamping wheel sets disposed on the clamping arm body 11, wherein the surfaces of the plurality of rows of auxiliary clamping wheel sets contacting with an automobile tire are integrally formed into an inclined plane.

As shown in fig. 1 to 4, the auxiliary clamping wheel set includes one or more auxiliary clamping wheels 12 disposed on an auxiliary clamping wheel axle 13, and when there are a plurality of auxiliary clamping wheels 12, the plurality of auxiliary clamping wheels are disposed in parallel.

The inclined plane that multirow centre gripping auxiliary wheel group formed and the contained angle alpha that ground formed are the acute angle. The preferred angle alpha is 10 deg. to 40 deg.. In this example, a 24 ° cut-in angle is selected, which is advantageous for the gripping arms to grip the wheel better.

As shown in fig. 3 and 4, in this example, three rows of the clamping auxiliary wheel sets are provided, and the diameters of the clamping auxiliary wheels 12 in each row are the same. As shown in fig. 3, the same row of auxiliary gripping wheels can rotate radially about the same auxiliary gripping wheel axis.

As shown in fig. 2, the holding arm body 11 has a connecting structure 15 at one end for connecting with the carrier body 3, and a moving auxiliary wheel is provided at the other end on the ground side to be radially rotatable around a moving auxiliary wheel shaft 17 thereof, where the moving auxiliary wheel is two first moving auxiliary wheels 14 arranged side by side, which is beneficial for supporting at least one first moving auxiliary wheel 14 on the ground when passing through the gap.

As shown in fig. 2 and 3, the first auxiliary moving wheel set is mounted at an end away from the vehicle carrier, and has no mutual influence on the mounting space of the auxiliary clamping wheel set, and at the same time, the mounting space is sufficient to make the first auxiliary moving wheel 14 have a sufficiently large wheel diameter, which is beneficial to the sufficient trafficability of the clamping arm 1 relative to the ground.

The tire clamping device with the tire clamping arms 1 for the wheel embracing type carrier 2 comprises a carrier body 3 and two sets of tire clamping arm devices, wherein the two sets of tire clamping arm devices are symmetrically arranged on two sides of the carrier body 3 respectively, each set of tire clamping arm device comprises two tire clamping arms 1, the clamping arms 1 of the two sets of tire clamping arm devices are matched to clamp an automobile tire, and the two sets of tire clamping arm devices simultaneously clamp two front wheels or two rear wheels of an automobile. When the tire clamping device is used for clamping the whole automobile, two tire clamping devices are required to be connected in parallel and work in a matched mode.

Example 2: the difference between this example and example 1 is: as shown in fig. 5, in this embodiment, the plurality of clamping auxiliary wheel sets are arranged in two rows, wherein the diameter of the clamping auxiliary wheel set 5 at the ground end is smaller than the diameter of the clamping auxiliary wheel set 6 at the end far away from the ground. The included angle alpha formed by the inclined plane formed by the clamping auxiliary wheel set and the ground is a 10-degree cut-in angle, the strength of the clamping auxiliary wheel set far away from the ground can be increased while the cut-in angle is ensured, and the clamping auxiliary wheel set has better strength when an automobile tire is clamped.

Example 3: the difference between this example and example 1 is: as shown in fig. 6, in this embodiment, a movement assisting wheel is further disposed at the middle position of the grounding side of the clamp arm body 11, and the movement assisting wheel is a second movement assisting wheel 16, which can share the supporting force of the movement assisting wheel set in embodiment 1 when the wheel is clasped, and the effect of passing through the gap is better.

The included angle alpha formed by the inclined plane formed by the clamping auxiliary wheel set and the ground is a cut-in angle of 40 degrees, the strength of the clamping auxiliary wheel set far away from the ground can be increased while the cut-in angle is ensured, and the clamping auxiliary wheel set has better strength when an automobile tire is clamped.

Example 4: the difference between this example and example 1 is: the included angle alpha formed by the inclined plane formed by the auxiliary clamping wheel set and the ground is a 30-degree cut-in angle, the strength of the auxiliary clamping wheel set far away from the ground can be increased while the cut-in angle is ensured, and the automobile tire holding device has better strength when holding and clamping an automobile tire.

It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.

Claims

1. A tire centre gripping arm which characterized in that: the automobile tire clamping device comprises a clamping arm main body and a plurality of rows of auxiliary clamping wheel sets arranged on the clamping arm main body, wherein the surfaces of the plurality of rows of auxiliary clamping wheel sets, which are in contact with an automobile tire, are integrally inclined.

2. The tire gripping arm of claim 1, wherein: the auxiliary clamping wheel set comprises one or more auxiliary clamping wheels arranged on an auxiliary clamping wheel shaft, and when the auxiliary clamping wheels are multiple, the auxiliary clamping wheels are arranged in parallel.

3. The tire gripping arm of claim 1, wherein: the inclined plane that multirow centre gripping auxiliary wheel group formed and the contained angle alpha that ground formed are the acute angle.

4. The tire gripping arm of claim 3, wherein: the included angle alpha is 10-40 degrees.

5. The tire gripping arm of claim 1, wherein: the multi-row clamping auxiliary wheel set is provided with more than three rows.

6. The tire gripping arm of claim 1, wherein: the multi-row clamping auxiliary wheel set is provided with two rows, wherein the diameter of the clamping auxiliary wheel set at the grounding end is smaller than that of the clamping auxiliary wheel set at the end far away from the ground surface.

7. The tire gripping arm of claim 1, wherein: one end of the clamping arm main body is provided with a connecting structure for connecting the body, and the other end of the clamping arm main body is provided with a movable auxiliary wheel.

8. The tire gripping arm of claim 7, wherein: the middle position of the grounding side of the clamping arm main body is also provided with the movable auxiliary wheel.

9. A tire clamping device characterized in that: the tire clamping device comprises a body and two sets of tire clamping arm devices, wherein the two sets of tire clamping arm devices are respectively and symmetrically arranged on two sides of the body, each set of tire clamping arm device comprises two tire clamping arms according to any one of claims 1 to 8, the clamping arms of the two sets of tire clamping arm devices are matched to clamp an automobile tire, and the two sets of tire clamping arm devices simultaneously clamp two front wheels or two rear wheels of an automobile.