CN217623629U - Coal mining is with shallow that has shock-absorbing function - Google Patents

Abstract

The application provides a shallow that coal mining adopted and to have shock-absorbing function relates to coal mining technical field, including removing supporting component and the carriage subassembly that can expand. The expandable carriage assembly comprises a main carriage and two sub carriages, the main carriage is arranged on the movable supporting assembly and is in a U-shaped design, U-shaped sliding cavities are formed in two sides of the main carriage, the two sub carriages are respectively connected with two sides of the main carriage in a drawing mode through the two U-shaped sliding cavities, hand-screwed bolts A are arranged on one side wall of the main carriage close to two ends, screw holes A are formed in the two sub carriages close to two ends and correspond to the hand-screwed bolts A in pairs, the main carriage and the two sub carriages can be fixed through the matching of the hand-screwed bolts A and the screw holes A, and the internal spaces of the three sub carriages are communicated to form a storage space of a coal mine after the main carriage and the two sub carriages are fixed. The problem that the transportation space is difficult to adjust has effectively been solved in this application, has promoted coal cinder conveying efficiency.

Description

Cart with damping function for coal mining

Technical Field

The application relates to the field of coal mining, in particular to a trolley with a damping function for coal mining.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into miners and opencast mines. When the coal layer is far away from the ground surface, a tunnel is usually dug to the underground to mine the coal, which is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mine range includes large area of ground and underground and related facilities

In order to conveniently transport the coal briquettes in the coal mining process, a hand-push type coal mining transportation device is generally adopted, for example, the Chinese patent application No. CN202021975031.6, the disclosed coal material transportation device for coal mining mainly comprises a fixed box, a transportation carriage hinged to one side of the upper part of the fixed box and a damping assembly designed at four corners of the bottom of the transportation carriage, a lifting assembly capable of driving the transportation carriage to dump a coal mine is designed between the fixed box and the transportation carriage, during use, the coal briquettes in the transportation carriage are conveniently dumped by the lifting assembly, and the transportation device is conveniently buffered and protected by the damping assembly.

However, in the process of implementing the technical solution in the embodiment of the present application, the inventor of the present application finds that the above technology has at least the following technical problems:

1. the transportation space is difficult to adjust, the storage space for containing the coal blocks in the scheme is the internal space of the transportation carriage, the internal space of the transportation carriage cannot be flexibly adjusted, and the efficiency of coal block transportation is reduced in the situation that a large amount of coal blocks to be transported are handled, and the single transportation amount is small;

2. the probability that the coal cinder scatters takes place for the coal cinder easily on the way of transporting, and the transport vechicle top in the above-mentioned scheme is outwards opened, though made things convenient for input and the discharge of coal cinder, but also because so easily under the situation that the conveyer emptys on the way at the coal cinder, lead to the outward condition of scattering of coal cinder in the transport vechicle to take place.

SUMMERY OF THE UTILITY MODEL

In order to overcome current not enough, this application embodiment provides a coal mining adopts shallow that has shock-absorbing function, and its transportation space that can solve among the above-mentioned scheme is difficult to adjust and the coal cinder takes place the probability problem that the coal cinder scatters easily in transit, has promoted the efficiency and the effect of coal cinder transportation to a certain extent.

The technical scheme adopted by the embodiment of the application for solving the technical problem is as follows: a trammer with shock absorption function for coal mining comprises a movable supporting assembly and an expandable carriage assembly.

The expandable carriage assembly comprises a main carriage and two sub carriages, the main carriage is arranged on the movable supporting assembly and is in a U-shaped design, U-shaped sliding cavities are formed in two sides of the main carriage, the two sub carriages are respectively connected with two sides of the main carriage in a drawing mode through the two U-shaped sliding cavities, hand-screwed bolts A are arranged on one side wall of the main carriage close to two ends, screw holes A are formed in two parts of the outer walls of the two sub carriages close to the two ends and correspond to the hand-screwed bolts A in pairs, the main carriage and the two sub carriages can be fixed through the matching of the hand-screwed bolts A and the screw holes A, and the inner spaces of the three sub carriages are communicated to form a storage space of a coal mine after the main carriage and the two sub carriages are fixed.

In a specific implementation scheme, the top parts of the main compartment and the two sub compartments are both opened outwards, and the opened parts are jointly provided with cover sealing parts.

In a specific embodiment, the cover sealing part comprises a main cover plate and two auxiliary cover plates, one side of the main cover plate is hinged to one side of the outer wall of the main carriage and covers the open top of the main carriage, one side of the main cover plate, which is far away from the hinged side, is provided with a hand-screwed bolt B, the top wall of the main carriage is provided with a screw hole B for screwing the hand-screwed bolt B, two sides of the main cover plate are both provided with sliding grooves, the two auxiliary cover plates are respectively in sliding connection with two sides of the main cover plate through the two sliding grooves and respectively cover the tops of the two auxiliary carriages, two sides of the main cover plate, which are close to the drawing direction of the two auxiliary cover plates, are both provided with hand-screwed bolts C, and two sides of the outer wall of the two auxiliary cover plates are both provided with screw holes C for screwing the hand-screwed bolts C.

In a specific embodiment, the outer wall of the main cover plate is fixedly connected with a handle.

In a specific embodiment, the movable support assembly comprises a base, four shock-absorbing movable parts and an adjusting part, wherein the four shock-absorbing movable parts are respectively distributed at four corners of the bottom of the base, and the adjusting part is arranged at the upper part of the base and is fixed with the bottom outside the main compartment.

In a specific embodiment, each of the four shock-absorbing moving portions includes a shock absorber and a moving wheel, and both ends of the shock absorber are fixed to the bottom end surface of the base and the top end of the moving wheel, respectively.

In a specific embodiment, the regulating part includes bottom plate and two pneumatic cylinders and two branches, two branch is fixed in side by side base upper surface one side, and its top all with bottom plate lower surface one side is articulated, two the pneumatic cylinder articulate in side by side base upper surface opposite side, and its top all with bottom plate lower surface opposite side is articulated, main carriage bottom with bottom plate upper surface fixed connection.

In a specific embodiment, the bottom plate is connected with push handles in pairs on one side edge, and the outer walls of the push handles are adhered with anti-skid rubber sleeves.

The embodiment of the application has the advantages that:

1. because the main carriage and the two sub carriages and the hand-screwed bolt A are matched to be favorable for expanding the storage space during coal block transportation, during specific operation, the hand-screwed bolt A is unscrewed to separate the hand-screwed bolt A from the previous screw hole A, the two sub carriages are pulled outwards to stop at a certain position, and then the hand-screwed bolt A is screwed with the screw hole A close to the inner side of the outer wall of the sub carriage, so that the expansion and adjustment of the storage space are completed, the problem that the transportation space in the scheme is difficult to adjust is effectively solved, and the coal block transportation efficiency is improved.

2. Because the design that has adopted closing cap portion does benefit to and opens the department with main carriage and two branch carriage tops and carry out the shutoff, has solved the probability problem that the coal cinder takes place externally scattering easily in transit in above-mentioned scheme, has promoted the stability in the shallow transportation.

Drawings

Fig. 1 is a schematic structural view of a coal mining truck accommodation space with a shock absorption function, which is provided by an embodiment of the application, after being unfolded;

fig. 2 is a schematic structural view of a contracted accommodating space of a trolley with a shock absorption function for coal mining according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a connection relationship between a main compartment and a sub-compartment provided in an embodiment of the present application;

FIG. 4 is an enlarged view of a portion of FIG. 3A according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of an external structure of a cover portion according to an embodiment of the present disclosure;

FIG. 6 is a cross-sectional view of a closure structure provided in accordance with an embodiment of the present invention;

FIG. 7 is an enlarged view of a portion at B in FIG. 6 according to an embodiment of the present disclosure;

FIG. 8 is a cross-sectional view of a main deck structure according to an embodiment of the present disclosure;

FIG. 9 is a perspective view of a mobile support assembly according to an embodiment of the present disclosure;

fig. 10 is a schematic plan view of a mobile support assembly according to an embodiment of the present disclosure.

10-moving the support assembly; 110-a base; 120-a shock absorbing moving part; 121-a shock absorber; 122 — a moving wheel; 130-an adjustment section; 131-a bottom plate; 132-a hydraulic cylinder; 133-a strut; 140-a push handle; 20-expandable carriage assembly; 210-a main car; 211-U-shaped slide cavity; 212-screw hole B; 220-carriage division; 221-screw hole A; 230-hand bolt a; 240-a capping portion; 241-a main cover plate; 2411-a sliding groove; 242-from the cover plate; 2421-screw hole C; 243-hand bolt C; 244-hand bolt B.

Detailed Description

In the embodiment of the application, for solving the problem that the transportation space in the above scheme is difficult to adjust and the probability that the coal briquette is easy to scatter in the transportation process, the general idea is as follows:

the embodiment is as follows:

referring to fig. 1, a coal mining truck having shock absorption includes a mobile support assembly 10 and an expandable carriage assembly 20. The expandable carriage assembly 20 is placed on the upper portion of the movable support assembly 10 and can contain the coal briquettes in the transportation process, meanwhile, the internal storage space can be expanded and reduced, the coal briquette transportation efficiency is improved, and the occupation of the space area can be reduced when the expandable carriage assembly is not used; the mobile support assembly 10 facilitates movement of the cart and facilitates assisting the expandable carriage assembly 20 in changing the angle of inclination to facilitate transfer and discharge of the coal blocks.

Referring to fig. 1 to 8, the expandable car assembly 20 includes a main car 210 and two sub-cars 220, the main car 210 is disposed on the movable support assembly 10 and is U-shaped, and both sides of the main car 210 are opened with U-shaped sliding cavities 211 toward the outside, the two sub-cars 220 are respectively connected to both sides of the main car 210 through the two U-shaped sliding cavities 211, hand-screwed bolts a230 are mounted on a sidewall of the main car 210 near both ends, screw holes a221 are formed on outer walls of the two sub-cars 220 near both ends corresponding to the hand-screwed bolts a230 in pairs, the main car 210 and the two sub-cars 220 can be fixed by matching the hand-screwed bolts a230 and the screw holes a221, and internal spaces of the three sub-cars are communicated to form a storage space of a coal mine after the three sub-cars are fixed. When the main carriage 210 and the two sub-carriages 220 are expanded, the hand-screwed bolts a230 are firstly screwed loose to be separated from the previous screw holes a221, the two sub-carriages 220 are pulled outwards to move to a certain position along the corresponding U-shaped sliding cavities 211 to stop, and then the hand-screwed bolts a230 are screwed with the screw holes a221 on the inner side of the outer wall of the sub-carriages 220, so that the expansion and adjustment of the storage space are completed, and the storage space is reduced by reverse operation when the main carriage 210 and the two sub-carriages 220 are not used subsequently so as to reduce the occupied space of the trolley.

The tops of the main compartment 210 and the two sub-compartments 220 are both open to the outside, and the open positions are provided with a sealing cover part 240 together. The design of the cover sealing part 240 is favorable for sealing the open top of the main carriage 210 and the two sub-carriages 220, so that the probability that coal blocks are easily scattered from the open storage space in the transportation process is reduced, and the stability of cart transportation is indirectly improved.

The cover sealing part 240 comprises a main cover plate 241 and two auxiliary cover plates 242, one side of the main cover plate 241 is hinged to one side of the outer wall of the main carriage 210 through a hinge and covers the open top of the main cover plate, one side of the main cover plate 241, which is far away from the hinged side, is provided with a hand-screwed bolt B244, the top wall of the main carriage 210 is provided with a screw hole B212 for screwing the hand-screwed bolt B244 in, two sides of the main cover plate 241 are respectively provided with a sliding groove 2411, the two auxiliary cover plates 242 are respectively in sliding connection with two sides of the main cover plate 241 through the two sliding grooves 2411 and respectively cover the tops of the two auxiliary carriages 220, two sides of the main cover plate 241, which are close to the drawing direction of the two auxiliary cover plates 242, are respectively provided with hand-screwed bolts C243, and two sides of the outer wall of the two auxiliary cover plates 242 are respectively provided with screw holes C2421 for screwing the hand-screwed bolts C243 in. When the storage space formed by the main carriage 210 and the sub-carriages 220 needs to be covered, the hand-screwed bolt C243 is unscrewed to be separated from the screw hole C2421, then the two sub-cover plates 242 are pulled outwards to a certain position, and then the hand-screwed bolt C243 is screwed to be positioned with the new screw hole C2421, at the moment, the two sub-cover plates 242 can respectively cover the tops of the two sub-carriages 220, and the probability of scattering in the coal mine transportation process is reduced; when the storage space is not closed, the end of the hand screw bolt B244 is screwed out of the screw hole B212 to turn over the cover 240 to expose the storage space.

In addition, in the present application, the sliding groove 2411 is shaped as shown in fig. 6 and 7, and the sliding blocks are connected to both ends of the cover plate 242 and slidably contact both inner walls of the sliding groove 2411, so that the sliding contact between the cover plate 242 and the main cover plate 241 is easily achieved.

The outer wall of the main cover plate 241 is also fixedly connected with a handle. The design of the handle is convenient for assisting in forcing the flip cover 240 to no longer cover the storage space, that is, the main cover 241 and the two sub covers 242 no longer enclose the inner spaces of the main compartment 210 and the two sub compartments 220.

Referring to fig. 1, 9 and 10, the movable supporting assembly 10 includes a base 110, four shock-absorbing movable portions 120 and an adjusting portion 130, wherein the four shock-absorbing movable portions 120 are respectively distributed at four corners of the bottom of the base 110, and the adjusting portion 130 is disposed at the upper portion of the base 110 and fixed to the outer bottom surface of the main compartment 210. Wherein, the shock attenuation removal portion 120 not only is convenient for remove, and can reduce the influence of the topography of jolting externally to but dilatation carriage subassembly 20 at the removal in-process, and the design of regulation portion 130 is convenient for adjust the angle in can dilatation carriage subassembly 20, makes things convenient for unloading of coal cinder in its inside parking space.

The four shock-absorbing moving parts 120 each include a shock absorber 121 and a moving wheel 122, and both ends of the shock absorber 121 are fixed to the bottom end surface of the base 110 and the top end of the moving wheel 122, respectively. Specifically, when the cart moves on a complex terrain, the impact force caused by bumpy ground can be absorbed by using the structural construction principle of the shock absorber 121, the rebound resonance force on the upper structure is restrained, and the stability of the cart in the pushing and pulling process is indirectly improved.

Here, the shock absorber 121 is prior art, the specific connection between the shock absorber and the moving wheel 122 and the base 110 is also prior art, and the damping principle is also well known in the art, and will not be described herein.

The adjusting portion 130 comprises a bottom plate 131, two hydraulic cylinders 132 and two support rods 133, the two support rods 133 are fixed on one side of the upper surface of the base 110 side by side, the top ends of the two support rods 133 are hinged to one side of the lower surface of the bottom plate 131, the two hydraulic cylinders 132 are hinged to the other side of the upper surface of the base 110 side by side, the top ends of the two hydraulic cylinders are hinged to the other side of the lower surface of the bottom plate 131, and the bottom end of the main compartment 210 is fixedly connected with the upper surface of the bottom plate 131. After the cart is moved to a place to be dumped, the movable end of the hydraulic cylinder 132 is extended outward to push the bottom plate 131 to perform angle adjustment around the rotating hinge point at the top end of the supporting rod 133, so that the coal blocks contained in the storage space can be detached.

The push handles 140 are connected to one side of the bottom plate 131 in pairs, and the outer walls of the push handles 140 are adhered with anti-skid rubber sleeves. The pushing handle 140 is used for facilitating an operator to hold the pushing and pulling cart by applying force, and meanwhile, the anti-skid property of the pushing handle 140 during operation can be improved by the design of the anti-skid rubber sleeve, so that the stability of the cart during pushing and pulling is further improved.

When in use:

the hand-held push handle 140 moves the cart to the coal briquette stacking position by using the moving wheel 122, the hand-screwed bolt B244 is rotated to be separated from the screw hole B212, then the main cover plate 241 and the two sub cover plates 242 are turned over together, at the moment, the storage space formed by the main carriage 210 and the two sub carriages 220 is exposed, the hand-screwed bolt A230 is unscrewed to be separated from the previous screw hole A221, the two sub carriages 220 are pulled outwards to be expanded to a certain degree, then the drawing operation is stopped, then the hand-screwed bolt A230 is screwed with the screw hole A221 on the inner side of the outer wall of the sub carriage 220, the expansion and adjustment of the storage space are completed, the storage space is reduced by reverse operation when the hand-screwed bolt A is not used subsequently to reduce the space occupation area of the cart, after the storage space is expanded, the hand-screwed bolt C243 is unscrewed again to be separated from the screw hole C2421 similarly, the hand-screwed bolt C242 is screwed to a certain position to be positioned with the new screw hole C2421 after the two sub cover plates 242 are unscrewed again, at the top of the coal briquette 220 is fully loaded, and the coal briquette is transported again, and the probability of the coal briquette is reduced.

After the cart is moved to a place to be dumped, the hand-loosening bolt B244 is unscrewed again and the cover 240 is opened, the storage space is opened, the movable end of the hydraulic cylinder 132 extends outwards to push the bottom plate 131 to perform angle adjustment around the rotating hinge point at the top end of the supporting rod 133, so that the coal blocks contained in the storage space can be assisted to be unloaded, and the coal block unloading efficiency is improved.

It should be noted that the specific model specifications of the shock absorber 122 and the hydraulic cylinder 132 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.

Claims (8)

1. A trolley with a shock absorption function for coal mining is characterized by comprising

Moving the support assembly;

the expandable carriage assembly comprises a main carriage and two sub carriages, wherein the main carriage is arranged on the movable supporting assembly and is in a U-shaped design, U-shaped sliding cavities are formed in two sides of the main carriage, the two sub carriages are respectively connected with two sides of the main carriage in a drawing mode through the two U-shaped sliding cavities, hand-screwed bolts A are arranged on one side wall of the main carriage close to two ends, screw holes A are formed in the positions, close to the two ends, of the outer walls of the two sub carriages, correspond to the hand-screwed bolts A in pairs, the main carriage and the two sub carriages can be fixed through the matching of the hand-screwed bolts A and the screw holes A, and after the main carriage and the two sub carriages are fixed, the inner spaces of the three sub carriages are communicated, and a storage space of a coal mine is formed.

2. The trolley with the shock absorption function for the coal mining according to claim 1, wherein the tops of the main carriage and the two sub-carriages are both opened outwards, and the opened parts are provided with a sealing cover together.

3. The trammer with shock absorption function for coal mining according to claim 2, wherein the cover sealing part comprises a main cover plate and two auxiliary cover plates, one side of the main cover plate is hinged to one side of the outer wall of the main carriage and covers the open top of the main cover plate, one side of the main cover plate, which is far away from the hinged side, is provided with a hand-screwed bolt B, the top wall of the main carriage is provided with a screw hole B for screwing the hand-screwed bolt B, two sides of the main cover plate are both opened with sliding grooves, the two auxiliary cover plates are respectively in sliding connection with two sides of the main cover plate through the two sliding grooves and respectively cover the tops of the two auxiliary carriages, two sides of the main cover plate, which are close to the drawing direction of the two auxiliary cover plates, are both provided with hand-screwed bolts C, and two sides of the outer wall of the two auxiliary cover plates are both provided with screw holes C for screwing the hand-screwed bolts C.

4. The mining trolley having a shock-absorbing function as set forth in claim 3, wherein a handle is further fixedly attached to an outer wall of the main cover.

5. The trolley for coal mining having a shock-absorbing function according to claim 1, wherein the moving support member includes a base, four shock-absorbing moving portions respectively disposed at four corners of a bottom of the base, and an adjusting portion provided at an upper portion of the base and fixed to an outer bottom surface of the main compartment.

6. The trolley for coal mining according to claim 5, wherein each of the four shock-absorbing moving portions includes a shock absorber and a moving wheel, and both ends of the shock absorber are fixed to the bottom end surface of the base and the top end of the moving wheel, respectively.

7. The coal mining trolley with the shock absorption function according to claim 6, wherein the adjusting portion comprises a bottom plate, two hydraulic cylinders and two support rods, the two support rods are fixed on one side of the upper surface of the base side by side, the top ends of the support rods are hinged to one side of the lower surface of the bottom plate, the two hydraulic cylinders are hinged on the other side of the upper surface of the base side by side, the top ends of the hydraulic cylinders are hinged to the other side of the lower surface of the bottom plate, and the bottom end of the main compartment is fixedly connected with the upper surface of the bottom plate.

8. The trammer with shock absorption function for coal mining according to claim 7, wherein push handles are connected to one side of the bottom plate in pairs, and anti-skid rubber sleeves are adhered to the outer walls of the push handles.

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