CN211281260U

CN211281260U - Crawler belt, walking device and construction robot

Info

Publication number: CN211281260U
Application number: CN201922308974.7U
Authority: CN
Inventors: 薛理礼; 邓尾; 贾艳明; 刘宪海
Original assignee: Guangdong Bozhilin Robot Co Ltd
Current assignee: Guangdong Bozhilin Robot Co Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-18
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a track, running gear and construction robot, include: the crawler comprises a crawler body, wherein the crawler body is provided with a protective edge, and an expansion joint structure and an edge groove communicated with the expansion joint structure are formed in the protective edge; and the baffle plate assembly is inserted in the side groove and forms a lateral sealing barrier for the expansion joint structure. Therefore, the baffle plate assembly can form lateral sealing separation for the expansion joint structure, when the crawler is in a special fluid body environment, the fluid body is blocked by the baffle plate assembly, so that the fluid body cannot permeate into the interior of the crawler body from the expansion joint structure, the safety of internal mechanical structure parts can be effectively guaranteed, the safety of the crawler is not damaged, the protection capability of the crawler is greatly improved, and the service life of the crawler is guaranteed.

Description

Crawler belt, walking device and construction robot

Technical Field

The utility model relates to a construction robot technical field especially relates to a track, running gear and construction robot.

Background

In order to improve the construction efficiency and quality of buildings and reduce the working strength of construction workers, some construction robots capable of working by themselves appear in the field of buildings in recent years. Most of these construction robots are composed of an execution body and a moving chassis, and many traveling members of the moving chassis are rubber crawler belts.

Because the rubber crawler belt often meets the occasion of turning and advancing in work, the rubber crawler belt needs to meet the requirement of certain turning radius and can not be made into a completely closed structure, namely, the edge protection part of the crawler belt needs to be designed into a multi-section expansion joint structure. However, when the mobile chassis travels through some special fluid environment road surfaces, the fluid easily permeates into the inner part of the caterpillar from the expansion joint, so that the mechanical structure parts are corroded, the protection capability of the caterpillar is weakened, and the service life of the caterpillar is shortened.

SUMMERY OF THE UTILITY MODEL

Therefore, the crawler belt, the walking device and the construction robot are needed to be provided, and the problems that in the prior art, the protection capability is weak, fluid is easy to permeate and the service life is short are solved.

The technical scheme is as follows:

in one aspect, the present application provides a track, comprising:

the crawler comprises a crawler body, wherein the crawler body is provided with a protective edge, and an expansion joint structure and an edge groove communicated with the expansion joint structure are formed in the protective edge; and

and the baffle plate assembly is inserted in the side groove and forms lateral sealing separation for the expansion joint structure.

In this application above-mentioned scheme, the safe edge of track body is formed with expansion joint structure, therefore the track can satisfy the requirement to turning radius, guarantees the ability of passing through of marcing in the occasion of turning. Because the edge groove communicated with the expansion joint structure is designed and manufactured on the protective edge, and the baffle component is inserted in the edge groove, the baffle component can form lateral sealing separation for the expansion joint structure, when the crawler is in a special fluid body environment, the fluid body is blocked by the baffle component, so that the expansion joint structure cannot penetrate into the interior of the crawler body, the safety of internal mechanical structure parts can be effectively guaranteed, the corrosion damage cannot be caused, the protective capacity of the crawler is greatly improved, and the service life is guaranteed.

The technical solution of the present application is further described below:

in one embodiment, the baffle plate assembly comprises a sealing plate, the sealing plate comprises a plug part, the plug part is embedded in the side groove in a clamping mode, and the outer wall of the plug part is tightly attached to the inner wall of the side groove.

In one embodiment, either one of the outer wall of the insertion part and the inner wall of the side groove is provided with a convex part, the other one is provided with a concave part, the convex part is clamped in the concave part, and the matching surface of the insertion part and the side groove forms a labyrinth structure.

In one embodiment, a waterproof colloid is filled between the insertion part and the side groove.

In one embodiment, the expansion joint structure comprises at least two expansion joints which are arranged at intervals, and an expansion protective belt is arranged in each expansion joint in a sealing manner.

In one embodiment, the side groove comprises at least two groove cavities which are arranged at intervals along the width direction of the crawler body, the insertion parts are at least two and are arranged at intervals along the width direction of the crawler body, the insertion parts are inserted into the groove cavities in a one-to-one correspondence manner, and a sealing groove is formed between every two adjacent insertion parts.

In one embodiment, the sealing plate is made of an elastically deformable material.

In one embodiment, the baffle plate assembly further comprises a support shield in assembled connection with the seal plate.

In another aspect, the present application also provides a walking device including a track as described in any one of the above.

In addition, the application also provides a construction robot, which comprises the walking device.

Drawings

Fig. 1 is a schematic structural view of a track according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the right side view of the structure of FIG. 1;

fig. 3 is a schematic cross-sectional view taken along line a-a in fig. 2.

Description of reference numerals:

10. a track body; 11. protecting edges; 12. a side groove; 20. a baffle assembly; 21. a sealing plate; 22. supporting the guard plate; 30. and (4) a roll shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to," "disposed on" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the specific manner of fixedly connecting one element to another element can be implemented by the prior art, and will not be described herein, and preferably, a screw-threaded connection is used.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.

The present application claims a construction robot, which may be various kinds of robot devices corresponding to various links or processes in a building construction process, such as but not limited to a grinding robot, a brick paving robot, a mortar paving robot, a cloth robot, etc. However, in any of the robots, it is common that the robot is composed of at least two devices, namely a traveling device and an execution body. As can be appreciated, the walking device gives the construction robot the ability to maneuver so as to complete the construction task for different areas of different buildings; the execution body is used for completing the set construction process, for example, in the case of a grinding robot, the execution body is a grinding device (or grinding head).

In consideration of the passing ability of complex terrains while reducing manufacturing and use costs, the traveling devices of many kinds of construction robots generally employ a crawler as a direct performing part for traveling. It can be understood that the walking device comprises a motor and a roller wheel connected with the motor to form a power module, and the crawler belt is sleeved outside the roller wheel and rotates along with the rotation of the roller wheel to complete the walking action.

As shown in fig. 1 to 3, a crawler according to an embodiment of the present application includes: track body 10 and a dam assembly 20. The crawler belt body 10 is provided with a protective edge 11, and an expansion joint structure and an edge groove 12 communicated with the expansion joint structure are formed on the protective edge 11; the baffle plate component 20 is inserted into the side groove 12 and forms a lateral sealing barrier for the expansion joint structure.

Generally, the track body 10 is composed of a plurality of track strips and mechanical structural members by which a plurality of track strips of the same shape and size are connected to form the track body 10 that is circumferentially relatively closed. Gaps are inevitably formed between any two adjacent track strips, and the gaps can form an expansion joint structure. This expansion joint structure makes track body 10 have certain flexibility and deformation flexible ability, is track body 10 can adapt to different unsmooth topography and carry out the prerequisite of turning marching.

To sum up, the implementation of the technical scheme of the application has the following beneficial effects: in this application above-mentioned scheme, the safe edge 11 of track body 10 is formed with the expansion joint structure, therefore the track can satisfy the requirement to turning radius, guarantees the ability of marcing through in the occasion of turning. Because the edge groove 12 communicated with the expansion joint structure is designed and manufactured on the protective edge 11, and the baffle component 20 is inserted in the edge groove 12, therefore, the baffle component 20 can form lateral sealing separation for the expansion joint structure, when the crawler is in a special fluid body environment, the fluid body is blocked by the baffle component 20, so that the fluid body cannot permeate into the crawler body 10 from the expansion joint structure, the safety of internal mechanical structure components can be effectively ensured, the corrosion damage can not be caused, the protective capability of the crawler is greatly improved, and the service life is ensured.

It is understood that the term "fluid environment" refers to a construction site where a fluid such as slurry, sewage, or mortar exists. For example, in a construction site, a pit is formed, slurry is accumulated in the pit, and when the traveling device passes through the pit, the crawler belt is immersed in the slurry, so that the slurry permeates into the crawler belt body 10.

In one embodiment, the baffle plate assembly 20 includes a sealing plate 21, the sealing plate 21 includes a plug portion, the plug portion is inserted into the side groove 12, and an outer wall of the plug portion is closely attached to an inner wall of the side groove 12. So, insert the grafting portion of arranging in limit groove 12 and not only can play the side direction sealing to the expansion joint structure and separate the fender effect, prevent in the direct infiltration track body 10 of fluid body side direction, simultaneously because grafting portion closely laminates with limit groove 12, therefore can not have the cooperation gap, the fluid body also can't be followed the fitting surface infiltration track body 10 of grafting portion and limit groove 12, has further promoted the protective capacities of track.

It will be appreciated that when the tracks travel through a turning section, the expansion joint structure of the tracks on the inner side of the turning radius is in a contracted state, while the tracks on the outer side of the turning radius are in an expanded state, but the gap spacing is changed from the initial state in both the contracted and expanded states. The sealing plate 21 is inserted into the side groove 12 and is subjected to a pressing force or a tensile force applied by the crawler, and thus needs to have a strain-adaptive ability. Thus, in one embodiment of the present disclosure, the sealing plate 21 is made of an elastically deformable material. Therefore, the sealing plate 21 can be stretched or bent synchronously along with the crawler, has strong applicability, and can prevent cracks and even breakage.

Alternatively, the elastic deformation material used for the sealing plate 21 may be, but is not limited to, plastic, silicone, etc.

With continued reference to fig. 1 and 3, the baffle plate assembly 20 further includes a support shield 22, and the support shield 22 is assembled with the sealing plate 21. The support shield 22 is connected to the sealing plate 21, and can support and shape the soft sealing plate 21. Optionally, the size and shape of the supporting guard 22 are adapted to the direction of the sealing plate 21, and are partially overlapped and overlapped with the supporting guard 22, while the rest part extends out of the sealing plate 21 in the direction of the roller, and the supporting guard 22 is located outside the sealing plate 21, so as to provide a certain lateral protection for the sealing plate 21, and prevent the sealing plate 21 from being scratched by external hard objects.

According to actual needs, the assembly connection manner of the support guard plate 22 and the sealing plate 21 can be, but is not limited to, bonding, welding, riveting, screwing, snap-fit connection and the like.

The mating portion is substantially a plate body of the outer ring portion of the seal plate 21, that is, a plate body portion of the seal plate 21 that is fitted into the side groove 12. In the scheme, in order to further improve the liquid-tight sealing and seepage-proof capacity of the track, the track body 10 or the assembly structure of the track body 10 and the sealing plate 21 has various replaceable improvements. In one embodiment, one of the outer wall of the insertion part and the inner wall of the side groove 12 is provided with a convex part, the other is provided with a concave part, the convex part is clamped in the concave part, and the matching surface of the insertion part and the side groove 12 forms a labyrinth structure. The mating surfaces of the labyrinth structure further effectively block the external fluid from leaking into the interior of the track body 10.

The shape, size and number of the convex portions and the concave portions may be changed arbitrarily, and any labyrinth structure that can ensure that the mating surfaces between the mating parts and the side grooves 12 are bent and detoured is within the scope of the present application.

Further, the side groove 12 includes at least two groove cavities arranged at intervals along the width direction of the crawler body 10, the insertion parts are inserted into the groove cavities in a one-to-one correspondence manner, and a sealing groove is formed between every two adjacent insertion parts. So far, each grafting portion and each slot chamber grafting cooperation all can form a seal structure, and at least two grafting portions are pegged graft with at least two slot chambers one-to-ones promptly, alright form two at least seal structures, and the whole fitting surface that forms is the type structure that returns, can further strengthen the separation ability to outside fluid body, prevents that the seepage problem from taking place. Moreover, because the depth of the two adjacent inserting parts is larger than that of the groove cavity, a sealing groove can be formed, gas exists in the sealing groove, a gas pressure sealing effect can be formed, and the fluid body can be further prevented from permeating into the track body 10.

Or, in another embodiment, the waterproof colloid is filled between the insertion part and the side groove 12. The hydrocolloid is filled, so that a channel of a matching surface formed by the inserting part and the side groove 12 can be directly blocked, and the purpose of preventing external fluid from permeating is achieved. Alternatively, the water-resistant gel may be any type of sealing gel known in the art, such as, but not limited to, silicone gel.

Or, as an alternative, in another embodiment, the expansion joint structure includes at least two expansion gaps arranged at intervals, and an expansion protective band is arranged in the expansion gap in a sealing manner. The setting of flexible protecting band not only can not influence the basic function of expansion joint structure, guarantees the turn trafficability ability of track, can also form the closing cap to the expansion joint simultaneously, and inside direct separation outside fluid body invaded the track from flexible gap, flexible protecting band and closing plate 21 formed the twice and sealed this moment, had further promoted the protective capacities of track.

For the purpose of understanding the technical principles of the above embodiments, reference is made to the sole structure of the avian duck. Specifically, the toes of the sole correspond to the track strips of the track, and the stretchable protection band corresponds to the flipper of the sole, so that water cannot pass through between two adjacent toes due to the presence of the flipper, and the technical effect of preventing the leakage of the external fluid body is achieved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A track, comprising:

2. The track of claim 1, wherein the baffle assembly comprises a sealing plate, the sealing plate comprises a plug portion, the plug portion is embedded in the side groove, and an outer wall of the plug portion is closely attached to an inner wall of the side groove.

3. The crawler belt according to claim 2, wherein one of an outer wall of the insertion portion and an inner wall of the side groove is provided with a convex portion, the other is provided with a concave portion, the convex portion is engaged with the concave portion, and a labyrinth structure is formed by the engagement surfaces of the insertion portion and the side groove.

4. The track of claim 2, wherein a waterproof colloid is filled between the insertion portion and the side groove.

5. The caterpillar according to claim 1, wherein the expansion joint structure comprises at least two expansion gaps arranged at intervals, and an expansion protective belt is arranged in the expansion gaps in a sealing manner.

6. The track of claim 2, wherein the side grooves include at least two groove cavities arranged at intervals along the width direction of the track body, the at least two insertion parts are arranged at intervals along the width direction of the track body, the insertion parts are inserted into the groove cavities in a one-to-one correspondence manner, and a sealing groove is formed between every two adjacent insertion parts.

7. The track of claim 2, wherein the seal plate is formed of a resiliently deformable material.

8. The track of claim 7, wherein the dam assembly further comprises a support shield in assembled connection with the seal plate.

9. A walking device comprising a track as claimed in any one of claims 1 to 8.

10. A construction robot comprising a walking device as claimed in claim 9.