Pulverized coal collector of pressure relief drill carriage

Abstract

The utility model relates to the technical field of coal mine collection, and discloses a pressure relief drill carriage pulverized coal collector which comprises a steel pipe and a flange welded at one end of the steel pipe, the side face of the steel pipe is provided with an open groove, when the device is used for drilling and mining, the steel pipe and a drill bit are fixed together through the flange, the drill bit is rotationally arranged in the steel pipe, and the open groove is formed in the steel pipe. When a coal mine is adopted through drilling, the drill bit rotates in the steel pipe, the rotating drill bit can smash coal into fine particles, the fine particles move in the steel pipe through the threaded groove of the drill bit, the fine particles are discharged outwards through the pulverized coal leading-out pipe arranged in the open groove formed in the side wall of the steel pipe during moving, and pulverized coal generated through drilling is collected through the pulverized coal leading-out pipe; according to the device, the position of the pulverized coal guide-out pipe can be moved according to the requirement, pulverized coal can be conveniently discharged, the pulverized coal generated during drilling can be discharged through the arrangement of the pulverized coal guide-out pipe, the position of the pulverized coal guide-out pipe can be moved according to the requirement, the situation that the pulverized coal blocks the steel pipe is prevented, and the pulverized coal is more conveniently discharged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mining, specifically is a pressure relief drill carriage coal powder collector. BACKGROUND

[0002] The drill carriage is a kind of rock drilling equipment for tunnel and underground engineering using drill and blast method construction. It can move and support multiple rock drills to carry out drilling operation simultaneously. The working mechanism is mainly composed of propeller, drill arm, rotating mechanism and translation mechanism, and the drill carriage can be divided into flat roadway tunneling drill carriage, mining drill carriage, anchor rod drill carriage and open cut rock drilling drill carriage etc.;According to the traveling mechanism of drill carriage, it can be divided into track wheel, tire and caterpillar type. According to the number of rock drilling machine, it can be divided into single machine, double machine and multi-machine drill carriage, which can be used for drilling work in coal mine.

[0003] At present, the pressure relief drill carriage is used for drilling and mining in coal mining face, and a large number of fine coal particles will be brought out near the drilling hole due to the rotation of drill bit. If these fine particles are not cleaned, long-term drilling work will cause coal powder accumulation to affect normal drilling operation, and the brought-out coal powder can also be recycled. Manual collection has high labor intensity and low efficiency.

[0004] Therefore, we propose a pressure relief drill carriage coal powder collector to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a pressure relief drill carriage coal powder collector to solve the problem that drill carriage drilling and mining will bring out a large number of fine coal particles near the drilling hole due to the rotation of drill bit, and long-term drilling work will cause coal powder accumulation to affect normal drilling operation. The brought-out coal powder can also be recycled, and manual collection has high labor intensity and low efficiency.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a pressure relief drill carriage coal powder collector, including steel pipe and the flange welded in one end of steel pipe, the lateral surface of steel pipe is equipped with slot, the both sides of the lateral wall of slot are fixedly installed with expansion plate, the both sides of the lateral wall of slot are equipped with sliding slot, the coal powder outlet pipe is fixedly installed in the both sides of the lateral wall of coal powder outlet pipe, and the connecting plate is slidably connected in sliding slot.

[0007] Preferably, the inner wall of sliding slot is equipped with several clamping grooves at equal intervals, the lateral wall of connecting plate is equipped with several movable grooves, and the clamping block is slidably connected in movable groove.

[0008] Preferably, a spring is fixedly installed between the side wall of the clamping block and the inner wall of the movable slot, and the clamping block is slidingly connected in the clamping slot.

[0009] Preferably, hooks are fixedly installed on the outer walls of both sides of the lower end of the coal powder leading-out pipe, and a receiving bag is arranged at the lower end of the coal powder leading-out pipe.

[0010] Preferably, hanging openings are formed in the side walls of both sides of the receiving bag, and the two hanging openings are slidingly connected to the hooks, respectively.

[0011] Preferably, a counterweight ring is fixedly installed on the outer side of the lower end of the receiving bag, and the counterweight ring is fixedly arranged with the outer walls of the four corners of the lower end of the receiving bag.

[0012] Compared with the prior art, the device has the following beneficial effects:

[0013] 1. When the device is used for drilling and mining, the steel pipe and the drill bit are fixed together through the flange, the drill bit is rotatably arranged in the steel pipe, and when the coal mine is drilled, the drill bit rotates in the steel pipe, the rotating drill bit can stir the coal into small particles, and the coal powder is discharged outward through the coal powder leading-out pipe arranged in the slot in the side wall of the steel pipe during movement, the coal powder generated during drilling is collected through the coal powder leading-out pipe, and the position of the coal powder leading-out pipe can be moved according to requirements, so that the coal powder can be discharged conveniently.

[0014] 2、In the cooperation between the chute, the clamping groove, the movable groove, the clamping block, the spring, the receiving bag, the suspension opening and the counterweight ring, when the device is used to collect the coal powder during drilling, the receiving bag can be hung on the lower end of the coal powder guide pipe through the hook, and under the action of the counterweight ring, the receiving bag is always in an unfolded state, facilitating the entry of the coal powder, when the position of the coal powder guide pipe needs to be adjusted, the coal powder guide pipe can be pushed along the slot, at this time, the arc-shaped side wall of the clamping block will shrink and slide into the movable groove due to excessive force, the telescopic plate at one end shrinks and the telescopic plate at the other end stretches, the setting of the two telescopic plates makes the connection between the coal powder guide pipe and the steel pipe always in a sealed state, and the clamping block will be clamped in the clamping groove under the action of the spring and knock, prompting that the coal powder guide pipe is at a position that can be fixed at this time, and the coal powder guide pipe can be moved to a suitable position according to requirements, the device can adjust the discharging position of the coal powder by pushing the coal powder guide pipe, the setting of the telescopic plate makes the coal powder guide pipe and the steel pipe always in a sealed state, and the coal powder will not fall from the gap during movement and adjustment, and the receiving bag hung below can automatically receive and bag the coal powder, and the operation is simple. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall three-dimensional structure schematic view of the present application.

[0016] Figure 2 It is an overall longitudinal cross-section three-dimensional structure schematic view of the present application.

[0017] Figure 3 It is an overall transverse cross-section three-dimensional structure schematic view of the present application.

[0018] Figure 4 It is an overall three-dimensional structure schematic view of the present application. Figure 3 It is an enlarged three-dimensional structure schematic view of the middle A.

[0019] In the figure: 1, steel pipe; 11, slot; 12, telescopic plate; 13, chute; 14, clamping groove; 2, flange; 3, coal powder guide pipe; 31, hook; 32, connecting plate; 33, movable groove; 34, clamping block; 35, spring; 4, receiving bag; 41, suspension opening; 42, counterweight ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0021] Embodiment One: Please refer to Figures 1-3 A pressure relief drill carriage coal powder collector, including steel pipe 1 and welded in steel pipe 1 one end flange 2, steel pipe 1 side is provided with slot 11, the two sides of the side wall of slot 11 are fixedly installed with expansion plate 12, the two sides of the side wall of slot 11 are provided with sliding slot 13, two expansion plates 12 are jointly fixedly installed with coal powder guide pipe 3, the two sides of the side wall of coal powder guide pipe 3 are fixedly installed with connecting plate 32, connecting plate 32 is respectively slidably connected in sliding slot 13.

[0022] In this embodiment: when using the device to drill mining, first through the flange 2 steel pipe 1 is fixedly arranged together with the drill bit, the drill bit is rotatably arranged in the steel pipe 1, when drilling coal mine, the drill bit rotates in the steel pipe 1, the rotating drill bit will be stirred into small particles, and moves in the steel pipe 1 through the thread groove of the drill bit, when moving, the coal powder guide pipe 3 arranged in the slot 11 of the side wall of the steel pipe 1 is discharged outward, the coal powder generated by drilling is collected through the coal powder guide pipe 3, and the position of the coal powder guide pipe 3 can be moved according to requirements, so that the discharge of coal powder is facilitated. The device can discharge the coal powder generated during drilling through the arrangement of the coal powder guide pipe 3, and the position of the coal powder guide pipe 3 can be moved according to requirements to prevent the coal powder from being blocked in the steel pipe 1, and the discharge of the coal powder is more convenient.

[0023] Embodiment Two: this embodiment is improved on the basis of embodiment 1, please refer to Figures 2-4 The inner wall of sliding slot 13 is provided with a plurality of clamping grooves 14 at equal intervals, the side wall of connecting plate 32 is provided with a plurality of movable grooves 33, the movable groove 33 is slidably connected with a clamping block 34, the clamping block 34 can be matched with the clamping groove 14, so as to move the coal powder guide pipe 3 to the appropriate position and limit it at the same time.

[0024] The side wall of the clamping block 34 and the inner wall of the movable groove 33 are jointly fixedly installed with a spring 35, the clamping block 34 is slidably connected in the clamping groove 14, the spring 35 can automatically push the clamping block 34 outward, and the clamping block 34 can be slid into the clamping groove 14 when it is opposite to the clamping groove 14.

[0025] The outer wall of the lower end of the coal powder guide pipe 3 is fixedly installed with a hook 31, and the lower end of the coal powder guide pipe 3 is provided with a receiving bag 4, which is used for automatically receiving coal powder through the hook 31 arranged at the lower end of the coal powder guide pipe 3.

[0026] The two sides of the side wall of the receiving bag 4 are provided with hanging openings 41, and the two hanging openings 41 are slidably connected with the hooks 31.

[0027] The lower end of the receiving bag 4 is fixedly provided with a counterweight ring 42, which is fixedly arranged on the outer wall of the lower end of the receiving bag 4.

[0028] In the embodiment, when the device is used to collect the coal powder in the drilling, the receiving bag 4 can be hung on the lower end of the coal powder outlet pipe 3 through the hook 31, and the receiving bag 4 is always in the unfolded state under the action of the counterweight ring 42, so that the coal powder can enter conveniently. When the position of the coal powder outlet pipe 3 needs to be adjusted, the coal powder outlet pipe 3 can be pushed along the slot 11, and at this time, the arc-shaped side wall of the protruding end of the clamping block 34 will shrink and slide into the movable slot 33 due to the too large force, and the telescopic plate 12 at the movable end will shrink and the telescopic plate 12 at the other end will stretch, so that the connection between the coal powder outlet pipe 3 and the steel pipe 1 is always in a sealed state. When passing through each clamping groove 14, the clamping block 34 will be pushed and clamped in the clamping groove 14 under the action of the spring 35, and a knocking sound will be generated, which indicates that the coal powder outlet pipe 3 is at a position that can be fixed. According to the requirement, the coal powder outlet pipe 3 can be moved to a suitable position, the device can adjust the discharging position of the coal powder by pushing the coal powder outlet pipe 3, the telescopic plate 12 is arranged to make the coal powder outlet pipe 3 and the steel pipe 1 always in a sealed state, and the coal powder will not fall from the gap during the movement and adjustment, and the receiving bag 4 hung below can automatically receive and bag the coal powder, which is simple to operate.

[0029] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, the skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pressure relief drill carriage coal dust collector comprising a steel pipe (1) and a flange (2) welded at one end of the steel pipe (1), characterized in that: The side of the steel pipe (1) is provided with a slot (11), both sides of the slot (11) are fixedly installed with an expansion plate (12), both sides of the slot (11) are provided with a sliding groove (13), and the two expansion plates (12) are commonly fixedly installed with a pulverized coal guide pipe (3).

2. The pressure relief drill rig coal dust collector of claim 1, wherein: The inner wall of the sliding groove (13) is equally provided with a plurality of clamping grooves (14), the side wall of the connecting plate (32) is provided with a plurality of movable grooves (33), and the movable grooves (33) are slidably connected with clamping blocks (34).

3. The pressure relief drill rig coal dust collector of claim 2, wherein: The side wall of the clamping block (34) and the inner wall of the movable groove (33) are commonly fixedly installed with a spring (35), and the clamping block (34) is slidably connected in the clamping groove (14).

4. The pressure relief drill rig coal dust collector of claim 3, wherein: The lower end of the pulverized coal guide pipe (3) is provided with a receiving bag (4).

5. A pressure relief drill rig coal dust collector according to claim 4, characterised in that: Both sides of the receiving bag (4) are provided with a hanging opening (41), and the two hanging openings (41) are slidably connected with the hooks (31).

6. A pressure relief drill rig coal dust collector according to claim 5, characterised in that: The lower end of the receiving bag (4) is fixedly installed with a counterweight ring (42), and the counterweight ring (42) is fixedly arranged with the lower end of the receiving bag (4).

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