Anti-collision mechanism for auxiliary intelligent support and auxiliary intelligent support

Abstract

The utility model relates to the technical field of auxiliary intelligent supports, in particular to an anti-collision mechanism for an auxiliary intelligent support and the auxiliary intelligent support. The anti-collision mechanism comprises a support, the outer side of the support is connected with a shell, and the upper end or / and the lower end of the shell is / are connected with a flexible elastic unit. The elastic units are arranged at the upper end and the lower end of the shell respectively, and the shell has the anti-collision performance through the elastic units.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary intelligent brackets, and in particular to an anti-collision mechanism for an auxiliary intelligent bracket and the auxiliary intelligent bracket. Background Art

[0002] At present, many sweepers and floor scrubbers are manually pushed when working, and the machines work automatically; the machines can work automatically, but cannot walk autonomously; in order to enable the machines to walk automatically, the industry is currently developing auxiliary intelligent brackets, such as the application number: CN202311506273.9, the invention name is: Auxiliary intelligent bracket and method for assisting manual sweepers to walk intelligently; and after the auxiliary intelligent bracket is combined with the machine, it assists the machine to walk automatically, and collisions are inevitable during the walking process. These collisions will cause damage to the auxiliary intelligent bracket, so it is necessary to reduce or avoid these collisions. Summary of the invention

[0003] The utility model aims to provide an anti-collision mechanism for an auxiliary intelligent bracket in view of the deficiencies in the prior art, wherein the anti-collision mechanism can reduce or avoid collisions that occur during walking of the auxiliary intelligent bracket.

[0004] An anti-collision mechanism for assisting an intelligent bracket comprises a bracket, the outer side of the bracket is connected to a shell, and the upper end or / and lower end of the shell is connected to a flexible elastic unit.

[0005] Furthermore, a fixing groove is provided at the lower end of the shell, the inner side of the corresponding elastic unit is fixed in the fixing groove, and the outer side of the elastic unit protrudes from the shell; or a plurality of mounting grooves are provided at the lower end of the shell, and the elastic unit is fixed in each mounting groove.

[0006] Furthermore, two convex strips are provided at the lower end of the shell, and the fixing groove is formed between the two convex strips.

[0007] Furthermore, a connection groove is provided at the upper end of the shell, and the corresponding elastic unit is snap-connected or bonded to the connection groove, and the outer side of the elastic unit protrudes from the shell.

[0008] Further, the elastic unit includes a rubber strip or a flexible resin or silicone block.

[0009] Furthermore, the bracket is rotatably connected to a laterally arranged flexible rotating wheel assembly, the flexible rotating wheel assembly includes a flexible rotating wheel, the shell is provided with an avoidance hole matched with the flexible rotating wheel, and one end of the flexible rotating wheel passes through the avoidance hole.

[0010] Furthermore, the flexible wheel assembly includes a hub, which is connected to a fixed plate via a rotating shaft, one end of the fixed plate is fixed to the bracket, the other end of the fixed plate extends out of the avoidance hole, and the hub is connected to the other end of the fixed plate; or the hub is connected to the bracket via a rotating shaft.

[0011] Furthermore, a roller and a driving device for driving the roller to rotate are connected to the lower end of the bracket, a sensor for sensing surrounding obstacles is connected to the shell or the bracket, and a control unit is connected to the bracket. The sensor and the driving device are electrically connected to the control unit respectively.

[0012] Furthermore, the sensor includes a laser sensor.

[0013] Preferably, the middle portion of the shell is concave to form an inner groove, and the laser sensor is located in the inner groove.

[0014] Furthermore, the bracket or the shell is connected to a camera, the control unit is connected to an image processing unit, and the control unit is electrically connected to the camera through the image processing unit.

[0015] An auxiliary intelligent bracket comprises the above-mentioned anti-collision mechanism.

[0016] Beneficial effects of the utility model: the utility model provides elastic units at the upper and lower ends of the shell respectively, and the shell has anti-collision performance through the elastic units. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A structural schematic diagram of the auxiliary intelligent bracket of this embodiment.

[0018] Figure 2 for Figure 1 Schematic diagram from another perspective.

[0019] Figure 3 This is a schematic diagram of the auxiliary intelligent bracket of this embodiment without the shell.

[0020] Figure 4 for Figure 3 Schematic diagram from another perspective.

[0021] Figure 5 This is a schematic diagram of removing the elastic unit from the auxiliary intelligent bracket of this embodiment.

[0022] Reference numerals include:

[0023] 1 - shell; 11 - inner groove; 12 - fixing groove; 13 - convex strip; 14 - connecting groove; 2 - elastic unit; 3 - flexible rotating wheel assembly; 4 - roller; 5 - radar; 6 - camera; 7 - laser sensor; 8 - bracket; 31 - flexible tire; 32 - wheel hub; 33 - fixing plate. DETAILED DESCRIPTION

[0024] The utility model is described in detail below with reference to the accompanying drawings. Figures 1 to 5 shown.

[0025] Example 1: See Figure 1 , Figure 2 An anti-collision mechanism for assisting an intelligent bracket, comprising: a bracket 8, a shell 1 connected to the outer side of the bracket 8, and a flexible elastic unit 2 connected to the upper end or / and lower end of the shell 1.

[0026] When the utility model is used in practice, it is mostly used in devices such as sweepers and floor scrubbers. When these devices are working, they mainly clean the ground. Therefore, when a collision occurs, it is very likely to occur at the lower end of the shell 1 and close to the ground. Therefore, a flexible elastic unit 2 is connected to the lower end of the shell 1. When a collision occurs, the flexible elastic unit 2 abuts against the object being collided to reduce the degree of collision. Secondly, considering that the upper end of the shell 1 is often touched by people, especially when installing or disassembling the machine, it also prevents the upper end of the shell 1 from being damaged by other objects. Therefore, an elastic unit 2 is also provided at the upper end of the shell 1.

[0027] See also Figure 2 , Figure 5 The lower end of the shell 1 is provided with a fixing groove 12, the inner side of the elastic unit 2 is fixed in the fixing groove 12, and the outer side of the elastic unit 2 protrudes from the shell 1; or the lower end of the shell 1 is provided with multiple installation grooves, and the elastic unit 2 is fixed in each installation groove.

[0028] The elastic unit 2 can be a flexible material such as rubber, sponge, silicone, etc., or a combination of a spring and a wear-resistant block, such as a buffer; the spring can also be installed directly. In this embodiment, an inwardly concave fixing groove 12 is set at the lower end of the shell 1, and the elastic unit 2 adopts a rubber strip, and one side of the rubber strip is fixed in the fixing groove 12 by bonding; of course, it can also be fixed by bolt connection.

[0029] See also Figure 5 The lower end of the shell 1 is provided with two convex strips 13 , and the fixing groove 12 is formed between the two convex strips 13 .

[0030] The two convex strips 13 are provided to form a mounting groove, and the elastic unit 2 is limited between the two convex strips 13 .

[0031] See also Figure 5 A connecting groove 14 is provided at the upper end of the shell 1 , and the elastic unit 2 is snap-connected or bonded to the connecting groove 14 .

[0032] In order to facilitate the connection of the elastic unit 2 at the upper end of the housing 1, a connection groove 14 is provided at the upper end of the housing 1. A portion of the elastic unit 2 is located in the connection groove 14, and a portion protrudes from the housing 1 to prevent the elastic unit 2 from being separated when a side collision occurs.

[0033] Preferably, the elastic unit 2 comprises a rubber strip or a flexible resin or silicone strip.

[0034] See also Figure 3 , Figure 4 The bracket 8 is rotatably connected to a laterally arranged flexible wheel assembly 3, the flexible wheel assembly 3 includes a flexible wheel, the housing 1 is provided with an avoidance hole matched with the flexible wheel, and one end of the flexible wheel passes through the avoidance hole.

[0035] When a collision occurs, the shell 1 and the object being collided are mostly not head-on collisions, but side collisions, which will cause relative friction between the shell 1 and the object being collided, resulting in scratches; to avoid this phenomenon, the flexible rotating wheel is rotatably connected by the bracket 8, and the flexible rotating wheel is set laterally, that is, horizontally; when a collision occurs, the flexible roller 4 first rubs against the object being collided, and the friction is rolling friction, which can greatly reduce the friction coefficient and reduce the wear of the object being collided and the flexible rotating wheel. The flexible rotating wheel is a hub 32 with a flexible tire 31 connected to the outer cover, and the flexible tire 31 can be a rubber tire or the like.

[0036] See also Figure 3 The flexible wheel assembly 3 includes a hub 32, which is connected to a fixed plate 33 via a rotating shaft. One end of the fixed plate 33 is fixed to the bracket 8, and the other end of the fixed plate 33 extends out of the avoidance hole, and the hub 32 is connected to the other end of the fixed plate 33; or the hub 32 is connected to the bracket 8 via a rotating shaft.

[0037] When the flexible wheel assembly 3 is specifically set, it is set according to the actual situation; when the wheel hub 32 is small, it is necessary to install the fixing plate 33, and installing the fixing plate 33 can make the wheel hub 32 and the flexible tire 31 protrude from the shell 1, and collide with the object before the shell 1; when the wheel hub 32 is large, the wheel hub 32 can be directly fixed to the fixing plate 33 through the fixing shaft, and one end of the wheel hub 32 can pass through the avoidance hole and protrude from the shell 1. Secondly, a bearing can be installed in the middle of the wheel hub 32, and the bearing is connected to the rotating shaft.

[0038] See also Figure 3 , Figure 4 The lower end of the bracket 8 is connected to a roller 4 and a driving device for driving the roller 4 to rotate, the housing 1 or the bracket 8 is connected to a sensor for sensing surrounding obstacles, the bracket 8 is connected to a control unit, and the sensor and the driving device are electrically connected to the control unit respectively.

[0039] The control unit can be integrated into the processor, single-chip microcomputer, control IC and control circuit board in the auxiliary intelligent bracket 8; or it can be set separately, such as a separate processor, single-chip microcomputer, control IC, etc.; the sensor can be an ultrasonic sensor, radar 5, etc.; the drive device can be a drive motor, and the drive device can be an integrated structure with the roller. When the auxiliary intelligent bracket 8 drives the machine to move, the sensor senses the space within a certain range around it. When an obstacle is found on the moving trajectory, the sensor sends a sensing signal to the control unit, and the sensing device controls the drive device to slow down or directly stop working. In this embodiment, the bracket 8 is connected to two radars 5. The radar 5 is used to scan the surrounding obstacles.

[0040] Preferably, the sensor comprises a laser sensor 7 .

[0041] The laser sensor 7 first emits a laser beam outward, and then bounces it back. In this way, the distance from the robot to the target point is measured; LDS laser navigation is used.

[0042] Preferably, the middle portion of the housing 1 is concave to form an inner groove 11 , and the laser sensor 7 is located in the inner groove 11 .

[0043] In order to prevent the laser sensor 7 from being disturbed by the outside world, the present technical solution provides an inner groove 11 to house the laser sensor 7 inside to prevent it from being disturbed by the outside world and from collision.

[0044] Furthermore, the bracket 8 or the housing 1 is connected to the camera 6, the control unit is connected to the image processing unit, and the control unit is electrically connected to the camera 6 via the image processing unit.

[0045] The image processing unit includes an image processing chip and peripheral circuits, etc. When sensing surrounding obstacles, the camera 6 also takes pictures of the surroundings, and then compares the pictures to confirm the obstacles, thereby avoiding false sensing.

[0046] An auxiliary intelligent bracket comprises the above-mentioned anti-collision mechanism.

[0047] The above contents are only preferred embodiments of the utility model. For ordinary technicians in this field, according to the concept of the utility model, there will be changes in the specific implementation method and application scope. The content of this specification should not be understood as a limitation on the utility model.

Claims

1. An anti-collision mechanism for assisting an intelligent bracket, comprising: The bracket has a shell connected to its outer side, characterized in that: a flexible elastic unit is connected to the upper end or / and the lower end of the shell; the bracket is rotatably connected to a laterally arranged flexible rotating wheel assembly, the flexible rotating wheel assembly includes a flexible rotating wheel, the shell is provided with an avoidance hole matching the flexible rotating wheel, and one end of the flexible rotating wheel passes through the avoidance hole.

2. The anti-collision mechanism for assisting the intelligent bracket according to claim 1, characterized in that: The lower end of the shell is provided with a fixing groove, the inner side of the corresponding elastic unit is fixed in the fixing groove, and the outer side of the elastic unit protrudes from the shell; or the lower end of the shell is provided with multiple installation grooves, each of which is fixed with the elastic unit; the upper end of the shell is provided with a connecting groove, and the corresponding elastic unit is clamped or bonded to the connecting groove.

3. The anti-collision mechanism for assisting the intelligent bracket according to claim 2, characterized in that: The lower end of the shell is provided with two convex strips, and the fixing groove is formed between the two convex strips.

4. An anti-collision mechanism for assisting an intelligent bracket according to any one of claims 1 to 3, characterized in that: The elastic unit includes a rubber strip or a flexible resin.

5. The anti-collision mechanism for assisting an intelligent bracket according to claim 1, characterized in that: The flexible wheel assembly includes a hub, which is connected to a fixed plate via a rotating shaft. One end of the fixed plate is fixed to the bracket, and the other end of the fixed plate extends out of the avoidance hole. The hub is connected to the other end of the fixed plate; or the hub is connected to the bracket via a rotating shaft.

6. The anti-collision mechanism for assisting an intelligent bracket according to claim 1, characterized in that: The lower end of the bracket is connected to a roller and a driving device for driving the roller to rotate, the shell or the bracket is connected to a sensor for sensing surrounding obstacles, the bracket is connected to a control unit, and the sensor and the driving device are electrically connected to the control unit respectively.

7. The anti-collision mechanism for assisting an intelligent bracket according to claim 1, characterized in that: The sensor comprises a laser sensor; the middle part of the shell is concave to form an inner groove, and the laser sensor is located in the inner groove.

8. The anti-collision mechanism for assisting an intelligent bracket according to claim 1, characterized in that: The bracket or the shell is connected to a camera, the control unit is connected to an image processing unit, and the control unit is electrically connected to the camera through the image processing unit.

9. An auxiliary intelligent bracket, characterized in that: It comprises the anti-collision mechanism described in any one of claims 1 to 8.

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