Dust fall device of roller drilling machine

Abstract

The utility model discloses a roller drilling machine dust fall device which comprises a roller drilling machine body, the roller drilling machine body comprises an installation barrel and a roller drill bit arranged on the installation barrel, an annular dust cover is arranged on the installation barrel in a liftable and sleeved mode, the dust cover is connected with a plurality of dust suction pipes, and a dust collector connected with the dust suction pipes is arranged on the roller drilling machine body. After the roller drill bit drills into the ground, the dustproof cover abuts against the ground all the time so that generated dust can be sucked into the dust collector to be prevented from being diffused. The dust hood is arranged to be of a structure capable of ascending and descending relative to the mounting barrel, after the mounting barrel and the roller drill bit drill into the ground, the dust hood ascends upwards in a self-adaptive mode to adjust the relative position of the dust hood and the mounting barrel, and it is guaranteed that the bottom of the dust hood abuts against the ground all the time to cover the dust diffusion position inside; and the dust in the cover body is sucked out through the dust collector and the dust collection pipe, so that the purpose of dust collection is achieved.

Description

Technical Field

[0001] The utility model relates to a dust suction device for a drilling rig, in particular to a dust reduction device for a roller drilling rig. Background Art

[0002] The function of a roller drilling rig is to break rocks and cut grooves. The roller drilling rig belongs to the field of underground engineering construction equipment. It breaks rocks and cuts grooves by the cutter teeth on the roller moving with the roller, and has a simple structure and is convenient to use.

[0003] Since a large amount of dust will be generated when the drilling rig drills a hole, which will pollute the environment and affect the safety of the operators, a dust suction device needs to be equipped to reduce dust. In the prior art, either an external dust suction device is set up to suck dust, or a dust suction cover is set on the drill pipe seat to cover the drill bit inside for dust reduction. For example, the patent with the application number 2018113258946 discloses a slag removal and double dust removal device for a drilling rig, which is the second of the above methods.

[0004] However, both the drill bit and the mounting seat of the roller drilling rig need to extend into the excavated hole. The diameter of the dust suction cover generally needs to be larger than the diameter of the drill bit. Therefore, fixing the dust suction cover on the mounting seat will cause the dust suction cover to get stuck at the opening of the hole, resulting in inoperability. In addition, the fixing method will also affect the installation and disassembly of the internal drill bit. Summary of the Utility Model

[0005] Based on the deficiency that the dust suction cover will get stuck at the opening of the hole and cannot adaptively adjust the position of the drill pipe installation structure in the prior art, the utility model provides a dust reduction device for a roller drilling rig.

[0006] The technical solution adopted by the utility model to solve the above technical problems is as follows:

[0007] The dust reduction device for a roller drilling rig includes a roller drilling rig body. The roller drilling rig body includes an installation cylinder and a roller drill bit arranged on the installation cylinder. An annular dust-proof cover that can be lifted relative to the installation cylinder is sleeved on the installation cylinder. The dust-proof cover is connected with a plurality of dust suction pipes. A dust collector connected with the dust suction pipes is arranged on the roller drilling rig body. When the roller drill bit drills into the ground, the dust-proof cover always abuts against the ground to suck the generated dust into the dust collector to prevent the dust from spreading.

[0008] Preferably, the dust-proof cover includes an upper part and a lower part. The upper part is a hollow cylindrical structure, and the lower part is a soft structure and is provided with a plurality of circumferentially extending folding lines.

[0009] Preferably, the dust suction pipes include a plurality of dust suction branch pipes and a dust suction main pipe. The dust suction branch pipes are connected to the dust-proof cover in an annular array, and each dust suction branch pipe is connected to the dust suction main pipe. The dust suction main pipe is connected to the dust collector.

[0010] Preferably, at least one row of vertical climbing teeth is provided on the outer side wall of the installation cylinder body. A gear meshing with the climbing teeth is rotatably provided on the dust cover. A driving motor is provided on the dust cover, and the motor shaft of the driving motor is connected to one of the gears.

[0011] Preferably, there are three rows of climbing teeth, and the three rows are annularly arrayed on the outer side wall of the installation cylinder body. Three gears respectively meshing with the three rows of climbing teeth are provided inside the dust cover.

[0012] Preferably, the motor is arranged outside the dust cover, and the output shaft of the motor penetrates through the dust cover and extends into the dust cover to be connected to one of the gears.

[0013] Preferably, the drum drill body further includes a crawler-type traveling mechanism, a driving platform, and a swing arm mechanism. The driving platform is rotatably arranged on the crawler-type traveling mechanism. The swing arm mechanism is arranged on the driving platform, and a turning frame is provided at the output end of the swing arm mechanism. The dust collector is arranged on the turning frame.

[0014] Preferably, the swing arm mechanism includes a plurality of swing arm units hinged in sequence. The first swing arm unit is hinged to the driving platform, and driving cylinders are hinged between the driving platform and the first swing arm unit and between adjacent swing arms.

[0015] Preferably, the mounting frame is hinged to the swing arm unit at the output end, and a driving device for driving the mounting frame to turn is provided between the mounting frame and the swing arm unit at the output end.

[0016] Preferably, the driving device includes a first swing frame and a second swing frame hinged through a hinge shaft. The first swing frame is hinged to the mounting frame, and the second swing frame is hinged to the swing arm unit at the output end. A telescopic cylinder is hinged to the swing arm unit at the output end, and the output end of the telescopic cylinder is rotatably connected to the hinge shaft.

[0017] Compared with the prior art, the advantages of the present utility model are as follows: In this application, the dust suction cover is set as a structure that can be lifted relative to the installation cylinder body. After the installation cylinder body and the drum bit penetrate into the ground, the dust cover adaptively rises to adjust its relative position with the installation cylinder body, ensuring that its bottom always abuts against the ground to cover the dust diffusion area inside, and sucking out the dust in the cover body through the dust collector and the dust suction pipe, so as to achieve the purpose of dust suction. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present utility model will be further described in detail below in conjunction with the drawings and preferred embodiments. However, those skilled in the art will understand that these drawings are only drawn for the purpose of explaining the preferred embodiments and should not be used as a limitation to the scope of the present utility model. In addition, unless otherwise specified, the drawings only schematically show the composition or structure of the described object and may include exaggerated displays, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 This is a schematic diagram of the overall structure of the drill rig in this application;

[0020] Figure 2 This is a three-dimensional view of the structures at the dust cover installation location in this application;

[0021] Figure 3 This is an exploded view of the structures at the dust cover installation location in this application;

[0022] Figure 4 This is a schematic diagram of the internal structure of the dust cover;

[0023] In the figure: 01, traveling mechanism; 02, driving platform; 03, swing arm mechanism; 101, dust collector; 102, dust suction pipe; 103, dust cover; 1031, upper part; 1032, lower part; 104, driving motor; 105, gear; 201, mounting frame; 202, mounting cylinder; 2021, climbing teeth; 203, driving box; 204, roller bit. Detailed implementation manners

[0024] The following will refer to the accompanying drawings to describe in detail the preferred embodiments of the present utility model. Those skilled in the art will understand that these descriptions are only descriptive and exemplary, and should not be construed as limiting the protection scope of the present utility model.

[0025] It should be noted that: Similar reference numerals represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it may not be further defined and explained in subsequent drawings.

[0026] Embodiment 1

[0027] This embodiment mainly elaborates on the title of the dust reduction device for the roller drill rig, as follows:

[0028] Dust reduction device for roller drill rig, referring to the attached Figures 1 - 4, including a drum drill body, the drum drill body includes an installation cylinder 202 and a drum bit 204 provided on the installation cylinder 202. An annular dust-proof cover 103 is sleeved on the installation cylinder 202 in a liftable manner. The dust-proof cover 103 is connected with a plurality of dust suction pipes 102. A dust collector 101 connected to the dust suction pipes 102 is provided on the drum drill body. When the drum bit 204 drills into the ground, the dust-proof cover 103 always abuts against the ground to suck the generated dust into the dust collector 101 to prevent the dust from spreading. In this solution, the dust suction cover is set to a structure that can be lifted relative to the installation cylinder 202. After the installation cylinder 202 and the drum bit 204 drill into the ground, the dust-proof cover 103 adaptively rises to adjust its relative position with the installation cylinder 202, ensuring that its bottom always abuts against the ground to cover the dust spreading area inside, and sucking the dust in the cover body out through the dust collector 101 and the dust suction pipes 102, so as to achieve the purpose of dust suction.

[0029] Preferably, the dust-proof cover 103 includes an upper part 1031 and a lower part 1032. The upper part 1031 is a hollow cylindrical structure, and the lower part 1032 is a soft structure and is provided with a plurality of circumferentially extending folding lines. This structure can push up the lower part 1032 along the folding lines to fold it when disassembling or installing the drum bit 204, so that the drum bit 204 is exposed.

[0030] Preferably, the dust suction pipe 102 includes a plurality of dust suction branch pipes and a dust suction main pipe. The dust suction branch pipes are connected to the dust-proof cover 103 in an annular array, and each dust suction branch pipe is connected to the dust suction main pipe. The dust suction main pipe is connected to the dust collector 101. By providing a plurality of dust suction branch pipes, multiple positions of the dust-proof cover 103 can be dusted, and the dust suction effect is improved.

[0031] Preferably, at least one row of vertical climbing teeth 2021 is provided on the outer side wall of the installation cylinder 202. A gear 105 meshing with the climbing teeth 2021 is rotatably provided on the dust-proof cover 103. A driving motor 104 is provided on the dust-proof cover 103, and the motor shaft of the driving motor 104 is connected to one of the gears 105. In this solution, the lifting of the dust-proof cover 103 is realized by providing the climbing teeth 2021 and the gear 105. During drilling, it can be lifted passively relative to the installation cylinder 202 or actively lifted by motor drive. In addition, an annular partition is provided inside the dust-proof cover 103, and each gear 105 is located in the space above the partition, and the dust suction pipe 102 extends into the space below the partition, so as to prevent dust from affecting the rotation of the gear 105.

[0032] Preferably, three rows of climbing teeth 2021 are provided, and the three rows are annularly arrayed on the outer side wall of the installation cylinder 202. Three gears 105 respectively meshing with the three rows of climbing teeth 2021 are provided inside the dust-proof cover 103. The structure of the three rows of climbing teeth 2021 and the three gears 105 can make the dust-proof cover 103 more stable.

[0033] Preferably, the motor is disposed outside the dust-proof cover 103. The output shaft of the motor penetrates the dust-proof cover 103 and extends into the interior of the dust-proof cover 103 to be connected to one of the gears 105. The motor is arranged outside for heat dissipation. The motor, the driving device of the drum drill, and each cylinder are controlled by a controller.

[0034] Preferably, the drum drill body further includes a crawler traveling mechanism 01, a driving console 02, and a swing arm mechanism 03. The driving console 02 is rotatably disposed on the crawler traveling mechanism 01. The swing arm mechanism 03 is disposed on the driving console 02, and a tipping frame is provided at the output end of the swing arm mechanism 03. The dust collector 101 is disposed on the tipping frame. The traveling mechanism 01 is controlled by an operating device such as an operating lever in the driving console 02.

[0035] Preferably, the swing arm mechanism 03 includes a plurality of swing arm units hinged in sequence. The first swing arm unit is hinged to the driving console 02. A driving cylinder is hinged between the driving console 02 and the first swing arm unit and between adjacent swing arms. The swing arm mechanism 03 is used to adjust the angle.

[0036] Preferably, the mounting bracket 201 is hinged to the swing arm unit at the output end. A driving device for driving the mounting bracket 201 to tip is provided between the mounting bracket 201 and the swing arm unit at the output end.

[0037] Preferably, the driving device includes a first swing frame and a second swing frame hinged by a hinge shaft. The first swing frame is hinged to the mounting bracket 201, and the second swing frame is hinged to the swing arm unit at the output end. A telescopic cylinder is hinged to the swing arm unit at the output end, and the output end of the telescopic cylinder is rotatably connected to the hinge shaft. This driving device is used to drive the tipping of the mounting bracket 201. By setting the structure as two swing frames, the swinging angle can be increased and the swinging stability can be improved.

[0038] Among them, a driving box 203 is provided on the mounting bracket 201. A drilling motor is provided in the driving box 203. The mounting cylinder 202 is fixed in the driving box 203, and a drill rod for driving the drum drill bit 204 to drill through is provided in the mounting cylinder 202. The drill rod is in transmission connection with the output shaft of the drilling motor. In addition, the upper side portion 1031 of the dust-proof cover 103 is made of hard plastic. A plurality of mounting seats are provided in the upper side portion 1031. The shaft of the gear 105 is rotatably disposed on the mounting seats. The mounting seats have a certain elasticity. During installation, one end of the shaft is inserted, then one of the mounting seats is bent and the other end of the shaft is inserted, and then the bent mounting seat is released to restore its original shape.

[0039] The above has introduced in detail the title of the dust reduction device for the drum drill provided by the present utility model. Specific examples are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the present utility model and its core idea. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A dust suppression device for a drum drill, comprising a drum drill body, wherein the drum drill body comprises a mounting cylinder and a drum drill bit arranged on the mounting cylinder, wherein: A retractable sleeve on the installation cylinder is provided with an annular dust cover, which is connected to a plurality of dust suction pipes. A vacuum cleaner connected to the dust suction pipes is provided on the drum drill body. When the drum drill bit drills into the ground, the dust cover always rests against the ground to suck the generated dust into the vacuum cleaner to prevent the dust from spreading.

2. The dust suppression device for a drum drill according to claim 1, characterized in that: The dust cover comprises an upper part and a lower part, wherein the upper part is a hollow cylindrical structure, and the lower part is a soft structure and is provided with a plurality of folding lines extending in the circumferential direction.

3. The dust suppression device for a drum drilling rig according to claim 1, characterized in that: The dust suction pipe comprises a plurality of dust suction branch pipes and a dust suction main pipe. The dust suction branch pipes are connected to the dust cover in an annular array and each dust suction branch pipe is connected to the dust suction main pipe, and the dust suction main pipe is connected to the dust collector.

4. The dust suppression device for a drum drilling rig according to claim 1, characterized in that: The outer wall of the mounting cylinder is provided with at least one row of vertical climbing teeth, a gear meshing with the climbing teeth is rotatably provided on the dust cover, a driving motor is provided on the dust cover, and a motor shaft of the driving motor is connected to one of the gears.

5. The dust suppression device for a drum drilling rig according to claim 4, characterized in that: There are three rows of climbing teeth, and the three rows of annular arrays are distributed on the outer wall of the installation cylinder. Three gears are arranged inside the dust cover and are respectively meshed with the three rows of climbing teeth.

6. The dust suppression device for a drum drilling rig according to claim 5, characterized in that: The motor is arranged outside the dust cover, and the output shaft of the motor penetrates the dust cover and extends into the inside of the dust cover to be connected with one of the gears.

7. The dust suppression device for a drum drill according to claim 1, characterized in that: The drum drilling rig body also includes a crawler traveling mechanism, a driving platform and a swing arm mechanism. The driving platform is rotatably arranged on the crawler traveling mechanism. The swing arm mechanism is arranged on the driving platform and a turning frame is arranged at the output end of the swing arm mechanism. The vacuum cleaner is arranged on the turning frame.

8. The dust suppression device for a drum drilling machine according to claim 7, characterized in that: The swing arm mechanism comprises a plurality of swing arm units hinged in sequence, wherein the first swing arm unit is hinged on the driving platform, and driving cylinders are hinged between the driving platform and the first swing arm unit and between adjacent swing arms.

9. The dust suppression device for a drum drilling rig according to claim 8, characterized in that: The mounting frame is hinged on the swing arm unit located at the output end, and a driving device for driving the mounting frame to flip is arranged between the mounting frame and the swing arm unit located at the output end.

10. The dust suppression device for a drum drilling machine according to claim 9, characterized in that: The driving device includes a first swing frame and a second swing frame hinged by a hinge shaft, the first swing frame is hinged to the mounting frame, the second swing frame is hinged to the swing arm unit located at the output end, a telescopic cylinder is hinged on the swing arm unit located at the output end, and the output end of the telescopic cylinder is rotatably connected to the hinge shaft.

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