CN212798241U - Coal mine transportation device - Google Patents

Abstract

The utility model discloses a coal mine transportation device, which comprises a crawler belt and a transmission shaft, wherein the crawler belt is sleeved on the transmission shaft, the crawler belt is of a double-layer structure, the crawler belt comprises a first crawler belt body and a second crawler belt body, a cavity is formed between the first crawler belt body and the second crawler belt body, and a plurality of ore limiting mechanisms are connected on the first crawler belt body; ore stop gear includes the connecting rod, and the connecting rod rotates to be connected on the track, and connecting rod one end is equipped with the bellying, and the other end is connected with limit baffle, and under natural state, limit baffle stretches into in the cavity, presses the bellying connecting rod and rotates, and it is spacing to drive limit baffle and stretch out the ore from the cavity in, and the lower extreme fixedly connected with dog of bellying, dog and cavity roof offset, the utility model discloses along with the ore prevents at the top of first track body, the ore can press the bellying of connecting rod this moment to make the connecting rod rotate on first track body, thereby limit baffle then stretches out in the cavity, carries on spacingly to rolling ore.

Description

Coal mine transportation device

Technical Field

The utility model relates to a coal mine transportation technical field specifically is a coal mine transportation device.

Background

The coal mining process mainly comprises transportation, generally, the transportation is carried out from an underground working face through a curved section transportation roadway to the top of a mountain, then the transportation is carried to a shaft bottom yard through a stage transportation main roadway, then a coal mine is transported to an above-ground working face through a lifter in a main well, a crawler-type conveyor is used as common equipment in industrial production and is widely applied to industrial production, the existing coal mine crawler-type conveyor does not have a limiting function, therefore, when a crawler is used for inclined feeding, some ores with smooth surfaces can roll downwards on the crawler, certain potential safety hazards exist, and therefore the coal mine transportation device is provided for solving the defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal mine transportation device to solve when the ore surface is more slick and sly, prevent its problem of rolling on the track how.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine transportation device comprises a crawler and a transmission shaft, wherein the crawler is sleeved on the transmission shaft and is of a double-layer structure, the crawler comprises a first crawler body and a second crawler body, a cavity is formed between the first crawler body and the second crawler body, and a plurality of ore limiting mechanisms are connected to the first crawler body; the ore stop gear includes the connecting rod, the connecting rod rotates to be connected on the track, connecting rod one end is equipped with the bellying, the other end is connected with limit baffle, under natural state, limit baffle stretches into in the cavity, press the bellying connecting rod rotates, drives limit baffle stretches out in the cavity and carries on spacingly to the ore, the lower extreme fixedly connected with dog of bellying, the dog with the cavity roof offsets.

Preferably, a plurality of first through grooves and second through grooves are formed in the first crawler body, the first through grooves and the second through grooves are communicated with each other, a pin shaft is fixedly connected in the first through grooves, the connecting rod is rotatably connected to the pin shaft, and the limit baffle is movably connected in the second through grooves.

Preferably, the bottoms of the connecting rods are connected with clamping shafts, and the top of the first crawler body is provided with clamping grooves corresponding to the clamping shafts.

Preferably, one end of the bottom of the connecting rod, which is close to the limiting baffle, is fixedly connected with a gravity block, and the gravity block enables the limiting baffle to be contracted into the cavity in a natural state.

Preferably, the bottom of the connecting rod is close to one end of the limiting baffle, a tension spring is fixedly connected to one end of the connecting rod, the other end of the tension spring is far away from the connecting rod, the end of the tension spring is connected with the bottom wall of the cavity, and the limiting baffle is contracted into the cavity by the tension force of the tension spring in a natural state.

Preferably, the upper end of the limit baffle is fixedly connected with a support, the support is rotatably connected with a clamping plate, and the clamping plate is located at the top of the first crawler body.

Preferably, a plurality of support columns are fixedly connected between the first track body and the second track body.

Compared with the prior art, the beneficial effects of the utility model are that: when the transmission shaft drives the track motion, along with the ore prevents at the top of first track body, the ore can press the bellying of connecting rod this moment to make the connecting rod rotate on first track body, thereby the limit baffle then stretches out in the cavity, carries on spacingly to rolling ore.

Drawings

FIG. 1 is a partial perspective view of the track of the present invention;

FIG. 2 is a schematic view of the inner structure of the crawler belt of the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 2 according to the present invention;

fig. 4 is a schematic view of the connecting rod structure of the present invention.

In the figure: 1. a crawler belt; 11. a first track body; 12. a second track body; 13. a first through groove; 14. a second through groove; 15. a card slot; 16. a support pillar; 2. a connecting rod; 21. a pin shaft; 211. a limit baffle; 212. a boss portion; 22. clamping a shaft; 23. a stopper; 24. a support; 25. clamping a plate; 26. a tension spring; 27. a gravity block; 3. a drive shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a coal mine transportation device comprises a crawler belt 1 and a transmission shaft 3, wherein the crawler belt 1 is sleeved on the transmission shaft 3, the crawler belt 1 is of a double-layer structure, the crawler belt 1 comprises a first crawler belt body 11 and a second crawler belt body 12, a cavity is formed between the first crawler belt body 11 and the second crawler belt body 12, and a plurality of ore limiting mechanisms are connected to the first crawler belt body 11; the ore limiting mechanism comprises a connecting rod 2, the connecting rod 2 is rotatably connected on the crawler 1, one end of the connecting rod 2 is provided with a convex part 212, the other end is connected with a limiting baffle 211, in a natural state, the limit baffle 211 extends into the cavity, the connecting rod 2 of the bulge 212 is pressed to rotate to drive the limit baffle 211 to extend out of the cavity to limit ores, the lower end of the bulge 212 is fixedly connected with a stop block 23, the stop block 23 is abutted against the top wall of the cavity, as the drive shaft 3 moves the track 1, as mineral is prevented from the top of the first track body 11, it is pressed against the boss 212 of the connecting rod 2, so that the connecting rod 2 rotates on the first track body 11, and therefore the limit stop 211 protrudes inside the cavity, carry on spacingly to rolling ore, it is to be explained that track 1 and transmission shaft 3 are prior art's conventional setting, the utility model discloses an improvement point is: set up traditional monolithic formula track 1 into bilayer, set up the cavity in its inside, it is spacing to increase an ore stop gear in the cavity to the ore, compares with traditional track 1, has certain spacing effect.

Referring to fig. 1-4, the present invention provides an embodiment: it leads to groove 14 to have seted up a plurality of first logical grooves 13 and second in first track body 11, and first logical groove 13 and second logical groove 14 communicate each other, and fixedly connected with round pin axle 21 in the first logical groove 13, connecting rod 2 rotate to be connected on round pin axle 21, and limit baffle 211 swing joint is in second logical groove 14, and the existence of first logical groove 13 is for the convenience of the installation of connecting rod 2, and the existence that the second led to groove 14 is for the convenience of limit baffle 211 stretches out and contracts.

Referring to fig. 1-4, the present invention provides an embodiment: the bottom of a plurality of connecting rods 2 is connected with card axle 22, draw-in groove 15 that corresponds with card axle 22 is seted up at 11 tops of first track, the existence of card axle 22 and draw-in groove 15 is in order to press when holding on connecting rod 2 at the ore, it is more steady to make connecting rod 2 fixed, a plurality of connecting rods 2 concatenate through card axle 22 simultaneously together, realize compressing tightly making a plurality of limit baffle 211 rise in step behind the connecting rod 2, also can set up card axle 22 into disconnect-type, can realize spacing effect equally.

Referring to fig. 3-4, the present invention provides a specific embodiment of the limit baffle 211 automatically shrinking in the cavity under natural state: one end of the bottom of the connecting rod 2, which is close to the limit baffle 211, is fixedly connected with a gravity block 27, and the gravity block 27 enables the limit baffle 211 to be contracted into the cavity in a natural state;

referring to fig. 3-4, the present invention provides a second embodiment of the limit baffle 211 automatically shrinking into the cavity in a natural state: one end fixedly connected with extension spring 26 that connecting rod 2 bottom is close to limit baffle 211, and extension spring 26 keeps away from connecting rod 2's one end and links to each other with the cavity diapire, and under natural state, extension spring 26's pulling force makes limit baffle 211 shrink to the cavity in, also can use two kinds of embodiment combinations, all can realize limit baffle 211 automatic effect of contracting under natural state.

Referring to fig. 3, the present invention provides an embodiment: limit baffle 211 upper end fixedly connected with support 24 rotates on the support 24 and is connected with cardboard 25, and cardboard 25 is located the top of first track body 11, and the existence of cardboard 25 is in order to carry out spacing effect when limit baffle 211 contracts.

Referring to fig. 2, the present invention provides an embodiment: a plurality of support columns 16 are fixedly connected between first track body 11 and second track body 12, and support columns 16 are present to improve stability between first track body 11 and second track body 12.

The utility model discloses when transmission shaft 3 drives track 1 motion, along with the ore prevents at the top of first track body 11, the ore can press the bellying 212 of connecting rod 2 this moment to make connecting rod 2 rotate on first track body 11, thereby stretch out in the cavity consequently limit baffle 211 then, it is spacing to carry out rolling ore.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a coal mine transportation device, includes track (1) and transmission shaft (3), track (1) cup joint on transmission shaft (3), its characterized in that: the crawler belt (1) is of a double-layer structure, the crawler belt (1) comprises a first crawler belt body (11) and a second crawler belt body (12), a cavity is formed between the first crawler belt body (11) and the second crawler belt body (12), and the first crawler belt body (11) is connected with a plurality of ore limiting mechanisms;

ore stop gear includes connecting rod (2), connecting rod (2) rotate to be connected on track (1), connecting rod (2) one end is equipped with bellying (212), the other end is connected with limit baffle (211), under natural state, limit baffle (211) stretch into in the cavity, press bellying (212) connecting rod (2) rotate, drive limit baffle (211) are stretched out from in the cavity and are carried out spacingly to the ore, the lower extreme fixedly connected with dog (23) of bellying (212), dog (23) with the cavity roof offsets.

2. A coal mine haulage apparatus as set forth in claim 1 wherein: a plurality of first through grooves (13) and a second through groove (14) are formed in the first crawler body (11), the first through grooves (13) and the second through grooves (14) are communicated with each other, a pin shaft (21) is fixedly connected in the first through grooves (13), the connecting rod (2) is rotatably connected to the pin shaft (21), and the limiting baffle (211) is movably connected to the second through grooves (14).

3. A coal mine haulage apparatus as set forth in claim 2 wherein: a clamping shaft (22) is connected to the bottom of the connecting rod (2), and a clamping groove (15) corresponding to the clamping shaft (22) is formed in the top of the first crawler body (11).

4. A coal mine haulage apparatus as set forth in any one of claims 1 to 3 wherein: one end of the bottom of the connecting rod (2) close to the limiting baffle (211) is fixedly connected with a gravity block (27), and the gravity block (27) enables the limiting baffle (211) to be retracted into the cavity in a natural state.

5. A coal mine haulage apparatus as set forth in any one of claims 1 to 3 wherein: connecting rod (2) bottom is close to the one end fixedly connected with extension spring (26) of limit baffle (211), extension spring (26) are kept away from the one end of connecting rod (2) with the cavity diapire links to each other, and under natural state, the pulling force of extension spring (26) makes limit baffle (211) shrink to in the cavity.

6. A coal mine haulage apparatus as set forth in claim 1 wherein: the upper end of the limiting baffle (211) is fixedly connected with a support (24), the support (24) is rotatably connected with a clamping plate (25), and the clamping plate (25) is located at the top of the first crawler body (11).

7. A coal mine haulage apparatus as set forth in claim 1 wherein: a plurality of support columns (16) are fixedly connected between the first track body (11) and the second track body (12).

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