CN214057748U - Crawler device, traveling mechanism and operating equipment - Google Patents

Abstract

The utility model provides a crawler attachment, running gear and operation equipment. The crawler device includes: the crawler belt comprises a plurality of crawler belts, a plurality of connecting rods and a plurality of rollers, wherein the plurality of crawler belts are sequentially connected with one another to form a ring; the protective plate is detachably connected with the track plate, and at least one groove is formed in one side, which is used for contacting the ground, of the protective plate; at least one lug, the lug is located the recess. The utility model discloses a backplate can be dismantled with the grip-pad and be connected, to the adaptability on different ground when just can realizing the walking as long as change the lug that has different structures, saved the change time, can satisfy the requirement of crawler attachment to different operation environment.

Description

Crawler device, traveling mechanism and operating equipment

Technical Field

The application belongs to the technical field of operation mechanical equipment, and particularly relates to a crawler device, a walking mechanism and operation equipment.

Background

In the related technology, a motor reducer drives a driving wheel, the teeth of the driving wheel directly drive a track chain, the track chain drives a track shoe structure to travel on the ground, when the adhesive force between the traveling track shoe and the ground is larger than the traveling resistance, the whole heading machine can be driven to travel, and when the adhesive force between the track shoe and the ground is too small, the phenomenon of slipping is easy to occur. Specifically, the conditions of the crawler belts of the traveling part are different due to different road conditions on the ground. For example, the ground pressure of a hard rock ground needs to be increased, the grip-pad structure needs stronger ground adhesion, and otherwise, a slip phenomenon occurs; and muddy tunnel ground, the phenomenon frequently takes place to skid for the track chain, under the general condition, needs to improve frictional force through the mode of on-the-spot sleeper, and artifical ground connection specific pressure that reduces. Therefore, the factors restrict the tunneling machine to walk on the roadway ground under different conditions, and a single track shoe structure cannot meet the conditions of different ground.

SUMMERY OF THE UTILITY MODEL

Embodiments according to the present invention aim to solve or improve at least one of the above technical problems.

According to the utility model discloses a first aim at provides a crawler attachment.

According to the utility model discloses a second aim at provides a running gear.

According to the utility model discloses a third aim at provides a working equipment.

For the first purpose of realizing according to the embodiment of the utility model, the technical scheme of the utility model provide a crawler attachment, include: the crawler belt comprises a plurality of crawler belts, a plurality of connecting rods and a plurality of rollers, wherein the plurality of crawler belts are sequentially connected with one another to form a ring; the protective plate is detachably connected with the track plate, and at least one groove is formed in one side, which is used for contacting the ground, of the protective plate; at least one lug, the lug is located the recess.

In the technical scheme, a plurality of track shoes can be sequentially connected with each other through pin shafts and the like to form a track chain. At least one guard plate is detachably connected to each creeper tread, the guard plates are detachably connected with the creeper treads, and the guard plates can be replaced conveniently. One side that the backplate is connected back with the grip-pad and is faced ground is equipped with at least one recess for the recess can form certain adhesive force to ground, sets up the lug in the recess, has further increased this kind of adhesive force. The guard plate with the grooves and the lugs can ensure that the structure of the crawler device is more stable when the crawler device is in contact with the ground, and the requirements of being suitable for different road conditions can be met only by replacing the guard plate with the lugs with different structures, so that the crawler device can adapt to the working conditions of different road surfaces.

In addition, according to the technical scheme that the embodiment of the utility model provides can also have following additional technical characterstic:

among the above-mentioned technical scheme, the backplate includes: the bottom plate is detachably connected with the track shoe; the first side plate is arranged on one side of the bottom plate; the second side plate is arranged on the other side of the bottom plate, and the second side plate and the first side plate are mutually spaced and oppositely arranged; wherein, the first side board and the second side board enclose a groove.

In the technical scheme, the guard plate mainly comprises a bottom plate, a first side plate and a second side plate, wherein the bottom plate is detachably connected with the track plate. The first side plate and the second side plate are mutually spaced and are oppositely arranged on two opposite sides of the bottom plate, so that the first side plate and the second side plate define a groove, the structure is simple, and the adhesive force formed by the large groove structure to the ground is larger. The first side plate and the second side plate can form supporting force for the ground, the convex block can protrude out of the groove and can also be completely located in the groove, and the setting can be carried out according to different working conditions, so that the flexibility is improved.

In any of the above technical solutions, the guard plate further includes: the extension part extends out along the plate surface of the bottom plate; wherein the extension part extends to the outside of the first side plate; and/or the extension extends to an exterior of the second side panel.

In this technical scheme, the extension can set up in the outside of first curb plate at least, perhaps sets up in the outside of second curb plate, can make the overall structure of backplate more stable. The extension parts can be arranged outside the first side plate and the second side plate at the same time, so that the guard plate is more stable in the operation process. The extension part and the bottom plate can be integrally formed, so that a part of the bottom plate can be used as the extension part, and the structure of the guard plate can be simplified.

In any one of the above technical solutions, the crawler apparatus further includes: the fastener is connected with the guard plate and the track shoe.

In this solution, the fastener can be used for connecting two or more parts or components into one integral mechanical part. Typically, the fasteners include bolts, screws, bolts, nuts, and the like. The guard plate is connected with the track plate through the fastener, so that the guard plate is convenient to detach from the track plate for replacement.

In any of the above technical solutions, the fastener includes: the anti-loosening bolt penetrates through the guard plate and the track plate; and the locknut is in threaded connection with the lockbolt, and the locknut is positioned in the groove.

In the technical scheme, the fastener mainly comprises a check bolt and a check nut, a threaded hole is formed in the base plate, a threaded hole is also formed in the track plate, the check bolt penetrates through the threaded holes in the base plate and the track plate to connect the base plate and the track plate, and then the check nut is screwed on the check bolt to fasten the check bolt. When the guard plate needs to be replaced, the locknut is located in the groove facing outwards, the efficiency can be improved, and the labor intensity for replacing the guard plate is reduced. The locknut is used with the lockbolt in a matched mode, normal acting force generated by the locknut in fastening is far larger than that of a common standard nut, great anti-loosening and anti-vibration capabilities are achieved, and the problems of thread abrasion and shearing deformation can be well solved by the locknut. In addition, locknut through fastening and dismantling many times repeatedly, its locking force still does not reduce, can keep original locking effect, can not influence the many times of the guard plate and dismantle the change and use.

In any of the above technical solutions, the protrusion is of a boss structure, and the protrusion has a horizontal end surface for facing the ground.

In this technical scheme, the lug has the boss structure for the structural strength of lug is better, and the lug is the horizontal terminal surface towards ground terminal surface, can increase the adhesive force that produces when contacting each other with ground.

In any of the above technical solutions, the bump includes: the cylindrical table is connected with the guard plate; the cone frustum is arranged on the cylindrical platform; the horizontal end face is arranged on the circular truncated cone and is a circular face, and the diameter of the horizontal end face is smaller than that of the circular truncated cone.

In this technical scheme, the lug mainly comprises cylinder platform and circular cone, and cylinder platform and circular cone integrated into one piece set up, and the cylinder platform is connected with the backplate, can guarantee the structural strength of lug, increases the wear resistance of lug. The horizontal end face of the cone frustum is used for being contacted with the ground. When the diameter of horizontal terminal surface is less than the diameter of cylindric lock for the lug is advancing to hard rock ground operating mode, can improve ground connection specific pressure, increases ground adhesion.

In any of the above technical solutions, the bump has a strip structure, and the surface of the bump facing the ground is a rough surface.

In this technical scheme, the surface that the lug faced ground is the coarse surface for the lug can increase the area of contact with ground under muddy wetland operating mode, can reduce ground connection specific pressure, increases frictional force.

For the second purpose of realizing according to the utility model discloses an embodiment's second objective, the technical scheme of the utility model provides a running gear, include: a drive mechanism; the crawler device in any technical scheme; the driving mechanism is connected with any one of the track shoes to drive the track device to walk on the ground.

In this technical scheme, according to the utility model discloses a running gear that embodiment provided includes according to utility model's arbitrary technical scheme's crawler attachment, therefore it has according to utility model's the whole beneficial effect of crawler attachment in arbitrary technical scheme.

For the third purpose of realizing according to the embodiment of the utility model, the technical scheme of the utility model provide an operation equipment, include: an apparatus body; and the travelling mechanism is connected with the equipment body to drive the equipment body to travel.

In this technical scheme, according to the utility model discloses an operation equipment that provides includes according to utility model's arbitrary technical scheme's crawler attachment, therefore it has according to utility model's the whole beneficial effect of crawler attachment in arbitrary technical scheme.

Additional aspects and advantages of embodiments in accordance with the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments in accordance with the invention.

Drawings

The above and/or additional aspects and advantages according to embodiments of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a crawler assembly according to some embodiments of the present invention;

fig. 2 is an exploded schematic view of a track device according to some embodiments of the present disclosure;

fig. 3 is a schematic diagram of the components of a travel mechanism according to some embodiments of the present invention;

fig. 4 is a schematic diagram of a work apparatus according to some embodiments of the present disclosure.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

1: a working device; 10: a traveling mechanism; 100: a crawler unit; 110: a track shoe; 120: a guard plate; 1202: a groove; 122: a base plate; 124: a first side plate; 126: a second side plate; 128: an extension portion; 130: a bump; 1302: a horizontal end face; 132: a cylindrical table; 134: a truncated cone; 140: a fastener; 142: a lock bolt; 144: a locknut; 200: a drive mechanism; 20: the equipment body.

Detailed Description

In order to make the above objects, features and advantages according to the embodiments of the present invention more clearly understood, embodiments according to the present invention will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In a related art, a combined track chain is provided, which mainly comprises: the crawler belt comprises a straight crawler belt plate, a splayed crawler belt plate, a crawler belt pin, a spring tensioning pin, splayed convex teeth, straight convex teeth and the like. The linear crawler plates are provided with linear convex teeth, the splayed crawler plates are provided with splayed convex teeth, the linear crawler plates and the splayed crawler plates are arranged at intervals, the linear crawler plates and the splayed crawler plates are connected into a whole through crawler pins to form a closed crawler chain group, and the crawler pins are provided with spring tensioning pins. Different convex teeth are designed on the two crawler belt plate structures, the two crawler belt plate structures are arranged at intervals, the friction resistance between the crawler belt plate structures and the roadway bottom plate is increased, the crawler belt chain group does not deflect along the central linear motion, the requirement that the walking crawler belt of the heading machine grabs the ground can be met, the requirement that the crawler belt chain of the heading machine keeps linear motion in the advancing process can be met, the dismounting and the maintenance are convenient, and the service life and the service efficiency of the heading machine are prolonged. This related art realizes an improvement in the structure of the track chain by a combination of two different track shoes.

Another related art relates to a track shoe connecting link of a crawler track, which includes a pair of shaft holes formed at both ends of the track shoe connecting link and directed in the same direction, and an insertion hole formed between the two shaft holes and directed in a direction orthogonal to the central axes of the two shaft holes, and forms an endless crawler track by fixing the track shoe connecting link to a track shoe by a bolt inserted through the insertion hole and a nut screwed with the bolt, and connecting the adjacent track shoe connecting links by inserting a shaft into the shaft hole. The track shoe connecting link of the crawler belt is characterized in that the diameters of the two shaft holes are different, and the rigidity of the track shoe connecting link on the larger diameter shaft hole side, which is larger in diameter, is small between the two shaft holes.

In another related technology, the crawler plate structure formed by tailor-welding the steel plates is provided, and the strength and the toughness of the steel plates are better than those of cast steel, so that the casting defects can be avoided, and the fracture phenomenon of the crawler plate structure is greatly reduced. In addition, the tailor-welding can more accurately control the shape, size and the like of the crawler plate structure in design, so that the weight and the like of the whole crawler plate structure are accurately controlled.

In another related art, a track shoe structure includes a main body for connection with a main body of another track shoe structure on both sides in a first direction, and at least one side plate connected to a side of the main body in a second direction perpendicular to the first direction. The side plate is connected with the main body through a pivot shaft, and the side plate has an unfolding state and a recycling state. The side plates in the unfolding state are parallel to the main body, the side plates extend towards the outer side of the main body along the second direction, and the side plates in the recycling state are connected with the main body at an angle. The utility model discloses a track plate structure can be simple shorten the width, and the track walking equipment that adopts this track plate structure can shorten whole width under the condition of not dismantling the device of track structure to satisfy the transportation requirement, avoided the work of dismantling the device of track structure.

In another related technology, a crawler transmission supporting structure and a crawler crane are provided, which belong to the technical field of engineering construction machinery. The crawler transmission supporting structure and the crawler crane comprise a crawler frame, a driving wheel arranged at one end of the crawler frame, a guide wheel arranged at the other end of the crawler frame, a thrust wheel group arranged below the crawler frame, a chain supporting wheel group arranged above the crawler frame and a crawler wrapped outside the driving wheel, the chain supporting wheel group, the guide wheel and the thrust wheel group along the transmission direction, wherein a thrust wheel tread used for being in contact transmission with the thrust wheel and a supporting chain wheel tread used for being in contact transmission with the supporting chain wheel are arranged on an inner ring of the crawler, and the thrust wheel tread and the supporting chain wheel tread are not overlapped with each other. According to the crawler belt transmission supporting structure and the crawler belt crane in the related art, the tread of the thrust wheel and the tread of the supporting chain wheel are arranged on the crawler belt plate structure respectively and are not overlapped with each other, so that the crawler belt plate structure is worn uniformly, the service life is prolonged, and the use safety is improved.

A crawler device 100, a traveling mechanism 10, and a working apparatus 1 according to some embodiments of the present invention are described below with reference to fig. 1 to 4.

Example 1

As shown in fig. 1, the present embodiment provides a crawler apparatus 100, the crawler apparatus 100 including: a plurality of track shoes 110, at least one fender 120, and at least one lug 130, the plurality of track shoes 110 being sequentially connected to one another in a ring shape. The guard 120 is detachably connected to the track shoe 110, and at least one groove 1202 is formed on a side of the guard 120 for contacting the ground. The bump 130 is disposed in the groove 1202.

In this embodiment, the track shoes 110 may be sequentially connected to each other by pins or the like to form a track chain. Each track shoe 110 is detachably connected with at least one guard plate 120, and the guard plates 120 are detachably connected with the track shoes 110, so that the guard plates 120 can be replaced conveniently. The side of the guard plate 120 facing the ground surface after being connected with the track shoe 110 is provided with at least one groove 1202, so that the groove 1202 can form a certain adhesion force to the ground surface, and the protrusion 130 is arranged in the groove 1202, so that the adhesion force is further increased. The bump 130 may be fixedly attached within the groove 1202 by soldering. The guard plate 120 with the groove 1202 and the bump 130 not only can enable the crawler belt device 100 to have a more stable structure when in contact with the ground, but also can meet the requirements of being suitable for different road conditions only by replacing the guard plate 120 with the bumps 130 with different structures, so that the crawler belt device 100 can be suitable for the working conditions of different road surfaces. The use of the apron 120 can reduce the wear requirements of the track shoe 110, thereby achieving a cost reduction.

In addition, the projection 130 can be detachably connected with the guard plate 120, so that different working conditions can be further adapted. A plurality of shoes 120 are provided on each track shoe 110, and the plurality of shoes 120 are spaced apart from each other on one track shoe 110. The guard plates 120 can have adhesive force to the ground, so that friction between the guard plates 120 and the ground can be further enhanced, and the crawler belt device 100 can be further prevented from slipping.

Example 2

As shown in fig. 2, the present embodiment provides a crawler apparatus 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the protector plate 120 includes: a base plate 122, a first side plate 124, and a second side plate 126, the base plate 122 being adapted to be removably coupled to the track shoe 110. The first side plate 124 is disposed on one side of the bottom plate 122. The second side plate 126 is disposed on the other side of the bottom plate 122, and the second side plate 126 and the first side plate 124 are spaced apart and disposed opposite to each other. The first side plate 124 and the second side plate 126 define a groove 1202.

In this embodiment, the guard plate 120 is mainly composed of a bottom plate 122, a first side plate 124 and a second side plate 126, wherein the bottom plate 122 is used for being detachably connected with the track shoe 110. The first side plate 124 and the second side plate are spaced apart from each other and disposed on opposite sides of the bottom plate 122, so that the first side plate 124 and the second side plate 126 define a groove 1202, the structure is simple, and the adhesion force of the large groove structure to the ground is also larger. The first side plate 124 and the second side plate 126 can form a supporting force for the ground, and the protrusion 130 can protrude out of the groove 1202, or can be completely located in the groove 1202, and can be arranged according to different working conditions, thereby improving flexibility. In addition, the cross section of the structure of the first side plate 124 may be trapezoidal or trapezoid-like, that is, the area of the end surface of the end of the first side plate 124, which is used for contacting with the ground, is smaller than that of the end surface of the end of the first side plate 124, which is used for connecting with the bottom plate 122, so as to meet the structural strength requirement of the first side plate 124. The structure of the second side plate 126 may be the same as that of the first side plate 124, and is not described herein again.

Example 3

As shown in fig. 2, the present embodiment provides a crawler apparatus 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the cover sheet 120 further includes: and an extension 128, wherein the extension 128 extends along the plate surface of the bottom plate 122. Wherein the extension 128 extends outside of the first side plate 124; and/or the extension 128 extends outside of the second side plate 126.

In this embodiment, the extension 128 may be disposed at least outside the first side plate 124 or outside the second side plate 126, which may make the overall structure of the guard plate 120 more stable. It is also possible to provide the extension 128 on both the exterior of the first side plate 124 and the exterior of the second side plate 126, making the apron 120 smoother during operation. Wherein, the extension portion 128 may be integrally formed with the bottom plate 122, so that a portion of the bottom plate 122 may serve as the extension portion 128, so that the structure of the guard plate 120 can be simplified.

Example 4

As shown in fig. 2, the present embodiment provides a crawler apparatus 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

crawler belt device 100 further includes: and the fastener 140, wherein the fastener 140 connects the guard plate 120 and the track shoe 110.

In this embodiment, the fastener 140 can be used to join two or more parts or components into a unitary mechanical part. Generally, the fasteners 140 may include bolts, screws, threaded rods, nuts, and the like. The apron 120 is coupled to the track plate 110 by fasteners 140 so that the apron 120 is easily removed from the track plate 110 for replacement.

Example 5

As shown in fig. 2, the present embodiment provides a crawler apparatus 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the fastener 140 includes: a lockbolt 142 and a locknut 144, the lockbolt 142 penetrates the guard plate 120 and the track shoe 110. Locknut 144 is threadably coupled to lockbolt 142 and locknut 144 is positioned within recess 1202.

In this embodiment, the fastening member 140 mainly includes a lock bolt 142 and a lock nut 144, a threaded hole is formed in the base plate 122, a threaded hole is also formed in the track shoe 110, the lock bolt penetrates through the threaded holes in the base plate 122 and the track shoe 110 to connect the base plate 122 and the track shoe 110, and then the lock nut 144 is screwed on the lock bolt 142 to fasten the track shoe. When the guard plate 120 needs to be replaced, the locknut 144 is located in the groove 1202 facing outwards, so that the efficiency can be improved, and the labor intensity for replacing the guard plate 120 can be reduced. The locknut 144 is used in cooperation with the lockbolt 142, the normal acting force generated by the locknut 144 during fastening is far greater than that of a common standard nut, great anti-loosening and anti-vibration capabilities are achieved, and the problems of thread abrasion and shearing deformation can be well solved by the locknut 144. In addition, the locknut 144 is repeatedly fastened and disassembled for many times, the locking force is still not reduced, the original locking effect can be maintained, and the repeated disassembly, replacement and use of the guard plate 120 are not affected.

Example 6

As shown in fig. 2, the present embodiment provides a crawler apparatus 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the bump 130 is a boss structure, and the bump 130 has a horizontal end face 1302 for facing the ground.

In this embodiment, the bump 130 has a boss structure, so that the structural strength of the bump 130 is better, and the end surface of the bump 130 facing the ground is a horizontal end surface 1302, which can increase the adhesion force generated when contacting with the ground.

Example 7

As shown in fig. 2, the present embodiment provides a crawler apparatus 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the bump 130 includes: a cylindrical table 132 and a conical table 134, the cylindrical table 132 being connected to the shield 120. The truncated cone 134 is disposed on the truncated cylinder 132. The horizontal end surface 1302 is disposed on the circular truncated cone 134, the horizontal end surface 1302 is a circular surface, and the diameter of the horizontal end surface 1302 is smaller than that of the circular truncated cone 132.

In this embodiment, the bump 130 mainly includes a cylindrical table 132 and a conical table 134, the cylindrical table 132 and the conical table 134 are integrally formed, and the cylindrical table 132 is connected to the guard plate 120, so that the structural strength of the bump 130 can be ensured, and the wear resistance of the bump 130 can be improved. The horizontal end face 1302 of the truncated cone 134 is intended to be in contact with the ground. When the diameter of the horizontal end surface 1302 is smaller than that of the cylindrical table 132, the ground pressure ratio can be improved and the ground adhesion can be increased when the bump 130 travels to the hard rock ground working condition.

Example 8

As shown in fig. 2, the present embodiment provides a crawler apparatus 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the bump 130 is a bar structure, and the surface of the bump 130 facing the ground is a rough surface.

In this embodiment, the protrusion 130 may also be a strip structure, and the surface of the protrusion 130 facing the ground is a rough surface, so that the contact area between the protrusion 130 and the ground can be increased under a muddy wetland working condition, the ground pressure can be reduced, and the friction force can be increased.

Example 9

As shown in fig. 3, the present embodiment provides a traveling mechanism 10 including: a drive mechanism 200 and a track device 100 in either embodiment. Wherein the driving mechanism 200 is connected to any one of the track shoes 110 to drive the track device 100 to walk on the ground.

In this embodiment, the plurality of track shoes 110 may be sequentially connected end to end by a pin to form an annular track chain, the driving mechanism 200 includes a motor reducer and a driving wheel, the driving wheel is connected to the track chain, and the motor reducer drives the driving wheel to drive the track chain to move on the ground. Since the running gear 10 provided according to the embodiment of the present invention includes the crawler belt device 100 according to any embodiment of the present invention, it has all the advantageous effects of the crawler belt device 100 according to any embodiment of the present invention.

Example 10

As shown in fig. 4, the present embodiment provides a work apparatus 1 including: the equipment body 20 and the travelling mechanism 10 in any embodiment, the travelling mechanism 10 is connected with the equipment body 20 so as to drive the equipment body 20 to travel.

In this embodiment, the working machine 1 may be a heading machine or the like that requires the crawler belt device 100 to be attached. Since the working equipment 1 according to the embodiment of the present invention includes the crawler belt device 100 according to any embodiment of the present invention, it has all the advantageous effects of the crawler belt device 100 according to any embodiment of the present invention.

Example 11

As shown in fig. 2 and 3, the present embodiment provides a crawler belt device 100 and a traveling mechanism 10, where the crawler belt device 100 is mainly composed of a bump 130, a locknut 144, a guard plate 120, a track shoe 110, a lockbolt 142, and the like. Wherein the bump 130 is a tapered platform. When the roadheader travels on a flat ground having sufficient friction, the apron 120 may not be installed and only the track plate chain constituted by the track plates 110 is used to travel. When the heading machine advances to the working condition of hard rock ground, the ground pressure ratio needs to be increased, at this time, the guard plate 120 can be installed on the track shoe 110, and the conical table is welded on the guard plate 120 to increase the ground adhesion. Under the muddy wetland working condition, the strip-shaped block with higher surface roughness can be welded on the guard plate 120 to increase the contact area, so as to reduce the specific grounding pressure and increase the friction force. The device not only can stabilize the heading machine in the advancing process, but also can adapt to the working conditions of different pavements, thereby greatly improving the walking efficiency, simultaneously reducing the abrasion of the creeper tread 110, only replacing the guard plate 120 and greatly reducing the cost. Meanwhile, the requirement of the material wear resistance of the track shoe 110 can be properly reduced.

In this embodiment, the combined crawler belt device 100 capable of freely replacing the guard plate can adapt to different ground surfaces when the heading machine travels, so as to reduce the occurrence of increased wear of the track shoe on hard rock ground and the occurrence of the phenomenon of slipping of the track shoe on a muddy road surface.

In this embodiment, through a crawler belt device 100 that can freely dismantle with ground contact part, can guarantee that the entry driving machine when ground of different physical properties is marchd, can be according to the tunnel ground of walking or the soft or hard degree of bottom surface, whether have rubble, muddy circumstances such as, change backplate 120 of different geometric shapes, in order to satisfy the demand that the entry driving machine walked in the tunnel of difference, solve the differentiation demand of each coal mine tunnel walking, both guarantee walking efficiency, the degree of wear of grip-pad 110 has been reduced again, and is more practical.

To sum up, according to utility model's beneficial effect be:

1. the guard plate 120 is detachably connected with the track shoe 110, so that the adaptability to different ground surfaces during walking can be realized only by replacing the lug 130 with different structures, the replacement time is saved, and the requirements of the track device 100 on different operating environments can be met.

2. The fender 120 can improve the stress condition of the track shoe 110, and increase the service life of the track shoe 110.

3. The locking bolt 142 and the locking nut 144 are adopted, so that the mounting structure of the guard plate 120 is more reliable.

4. The mounting of the protector plate 120 on the track shoe 110 can appropriately reduce the requirement of the wear resistance of the material of the track shoe 110, thereby reducing the cost.

In embodiments in accordance with the present invention, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the embodiments according to the present invention can be understood by those of ordinary skill in the art as the case may be.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description according to the embodiments of the present invention, but do not indicate or imply that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments according to the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example in accordance with an embodiment of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment according to the embodiments of the present invention, and is not intended to limit the embodiments according to the present invention, and various modifications and variations may be made to the embodiments according to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments according to the present invention should be included in the protection scope of the embodiments according to the present invention.

Claims (10)

1. A track assembly, comprising:

the crawler belt comprises a plurality of crawler belts, a plurality of connecting rods and a plurality of rollers, wherein the plurality of crawler belts are sequentially connected with one another to form a ring;

the protective plate is detachably connected with the track plate, and one side, used for contacting the ground, of the protective plate is provided with at least one groove;

at least one lug, the lug is located in the recess.

2. The track assembly of claim 1, wherein the shield comprises:

the bottom plate is detachably connected with the track shoe;

the first side plate is arranged on one side of the bottom plate;

the second side plate is arranged on the other side of the bottom plate, and the second side plate and the first side plate are mutually spaced and oppositely arranged;

wherein the groove is enclosed by the first side plate and the second side plate.

3. The track assembly of claim 2, wherein the fender further comprises:

the extension part extends out along the plate surface of the bottom plate;

wherein the extension extends outside of the first side plate; and/or the extension extends to an exterior of the second side plate.

4. A crawler apparatus according to any one of claims 1 to 3, further comprising:

a fastener connecting the fender and the track shoe.

5. The track device of claim 4, wherein the fastener comprises:

the anti-loosening bolt penetrates through the guard plate and the track shoe;

the locknut is in threaded connection with the lockbolt, and the locknut is located in the groove.

6. A track arrangement as claimed in any one of claims 1 to 3, wherein the lugs are of lug configuration and have a horizontal end face for facing the ground.

7. The track device of claim 6, wherein the lug comprises:

the cylindrical table is connected with the guard plate;

the cone frustum is arranged on the cylindrical platform;

the horizontal end face is arranged on the circular truncated cone and is a circular face, and the diameter of the horizontal end face is smaller than that of the cylindrical table.

8. A track arrangement as claimed in any one of claims 1 to 3, wherein the lugs are of strip-like configuration and the ground-facing surface of the lugs is a rough surface.

9. A travel mechanism, comprising:

a drive mechanism;

a track arrangement as claimed in any one of claims 1 to 8;

the driving mechanism is connected with any one of the track shoes to drive the track device to walk on the ground.

10. A work apparatus, comprising:

an apparatus body;

the traveling mechanism according to claim 9, wherein the traveling mechanism is connected to the apparatus body to drive the apparatus body to travel.

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