Hydraulic grooving machine for coal mine

The hydraulic grooving machine's protective and grooving components enable highly efficient and automated cutting of coal mine roadways, solving the problems of low efficiency and safety hazards associated with traditional manual grooving methods.

CN223647814UActive Publication Date: 2025-12-09XUZHOU SUNENG HEAVY IND CO LTD
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Patent Information

Application Number
CN202520218144.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2025-12-09
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

Traditional methods of tunnel excavation in coal mines are inefficient, physically demanding for workers, and pose safety hazards.

Method used

A hydraulic grooving machine is used, including a protective component, an adjustment component, and a grooving component. It uses an adjustable hydraulic cylinder and a rotary motor to drive a toothed disc for cutting, and combines moving wheels and guide rails to achieve automated grooving.

Benefits of technology

It improved the efficiency of trenching in coal mine roadways, reduced the physical exertion of workers, and prevented safety accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hydraulic grooving machine for a coal mine, and relates to the technical field of underground coal mine equipment, the hydraulic grooving machine comprises a protection assembly, and the protection assembly comprises a protection shell and moving wheels; the device further comprises an adjusting assembly and a grooving assembly. The adjusting assembly comprises an adjusting hydraulic cylinder, an adjusting seat, a fixed rod and a movable plate; the adjusting seat is fixed to the moving plate, the moving plate is located in the protective shell, and the fixing rod is slidably connected to the adjusting seat; the adjusting hydraulic cylinder is fixed on the adjusting seat; the grooving assembly comprises a rotating motor, a rotating rod, a fluted disc, a driving motor, a fixing frame and a rotating motor. The rotating rod is rotationally connected to the fixing rod, the rotating motor is used for driving the rotating rod to rotate, the rotating motor is fixed in the rotating rod, and the fixing frame is fixed to a rotating shaft of the rotating motor; the fluted disc is fixed to the fixing frame, the driving motor is fixed to the driving frame, and the fluted disc rotates to cut coal rock. The manual labor of workers can be reduced, the efficiency of grooving and cutting operation in a coal mine is improved, and safety accidents during grooving are avoided.
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Description

Technical Field

[0001] This utility model relates to the field of underground equipment technology in coal mines, and in particular to a hydraulic grooving machine for coal mines. Background Technology

[0002] The hydraulic grooving machine for coal mines is a high-efficiency and safe grooving equipment specifically designed for underground coal mines. It is mainly used for cutting coal and rock or semi-coal and rock in coal mine roadways, such as sealing roadway grooving and coal pillar recovery. It has broad application prospects and significant advantages.

[0003] Traditional coal mine tunnel excavation involves manual excavation using pneumatic picks and hammers. This manual method is inefficient, physically demanding, and poses safety hazards (during excavation, unstable soil or rock may collapse, burying or trapping workers under debris). Utility Model Content

[0004] This application provides a hydraulic grooving machine for coal mines, which solves the problem that the traditional grooving method in coal mine roadways, which uses manual pneumatic picks and hammers, is inefficient, physically demanding, and poses safety hazards. The machine reduces the physical labor of workers, improves the efficiency of grooving and cutting operations in coal mines, and avoids safety accidents during grooving.

[0005] This application provides a hydraulic grooving machine for coal mines, including a protective assembly. The protective assembly includes a protective shell and movable wheels. The protective shell is a hollow rectangular box, and the movable wheels are used to support the movement of the protective shell.

[0006] It also includes adjustment components and slotting components;

[0007] The adjustment assembly is located inside the protective housing, and the adjustment assembly includes an adjustment hydraulic cylinder, an adjustment seat, a fixed rod, and a movable plate;

[0008] The adjusting seat is fixed on the movable plate, which is located inside the protective shell, and the fixing rod is slidably connected to the adjusting seat;

[0009] The adjusting hydraulic cylinder is fixed on the adjusting seat, and the adjusting hydraulic cylinder is used to drive the fixed rod to slide on the adjusting seat;

[0010] The grooving assembly is located at the end of the fixed rod, and the grooving assembly includes a rotating motor, a rotating rod, a gear disk, a drive motor, a fixed frame, and a rotating motor;

[0011] The rotating rod is rotatably connected to the end of the fixed rod. The rotating motor is used to drive the rotating rod to rotate. A rotating motor is fixed inside the rotating rod. The fixed frame is fixed on the rotating shaft of the rotating motor. The rotating motor drives the fixed frame to rotate.

[0012] The toothed disc is fixed on the fixed frame, and the drive motor is fixed on the upper side of the drive frame. The drive motor drives the toothed disc to rotate, and the rotation of the toothed disc cuts the coal and rock.

[0013] Furthermore, the protective shell has a rectangular opening on its side wall, and the fixing rod extends out from the rectangular opening;

[0014] The rectangular opening on the side wall of the protective shell is fixed with guide rails on both sides. The guide rails are located on the outer side wall of the protective shell, and a protective plate is slidably connected to the guide rails.

[0015] A connecting buckle is fixed on the side wall of the protective shell, which securely connects the protective shell to the vehicle that drives the protective shell to move.

[0016] Furthermore, the adjustment seat is a rectangular frame;

[0017] The adjusting hydraulic cylinder is fixed to the top of the adjusting seat, and the piston rod of the adjusting hydraulic cylinder passes through the adjusting seat and is fixed to the fixing rod by bolts.

[0018] Furthermore, the adjustment assembly also includes a movable hydraulic cylinder, a slide rail, and a fixed plate;

[0019] A movable hydraulic cylinder is fixed inside the protective shell. The piston rod end of the movable hydraulic cylinder is fixedly connected to a fixed plate. The fixed plate is fixedly connected to the lower side of the movable plate. The movable hydraulic cylinder is used to drive the movable plate to move inside the protective shell.

[0020] The fixing plate is a rectangular plate;

[0021] The slide rail is fixedly connected to the two inner walls of the protective shell, and the movable plate is slidably connected to the slide rail.

[0022] Furthermore, the fixing rod is a Y-shaped rod, and a rotating motor is fixed to each end of the forked portion of the fixing rod. The rotating shaft of the rotating motor is rotatably connected to the fixing rod, and a rotating rod is fixed to the rotating shaft of the rotating motor.

[0023] Furthermore, a gap is left between the movable plate and the bottom of the protective shell, and a support wheel is fixed to the bottom of the movable plate;

[0024] The support wheel contacts the bottom of the protective shell, and the support wheel rolls inside the protective shell when the moving plate moves.

[0025] Furthermore, the slide rail is a T-shaped rod, and the movable plate has T-shaped grooves of the same shape on both sides, with the slide rail being engaged in the T-shaped grooves on both sides of the movable plate.

[0026] Furthermore, the movable wheel is covered with a rubber layer;

[0027] The rotating rod has a groove, and the rotary motor is fixed in the groove on the rotating rod.

[0028] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0029] The drive motor rotates the toothed disc, which cuts the coal and rock. The rotating motor drives the rotating rod to rotate, which in turn rotates the toothed disc. The height of the toothed disc can be adjusted by adjusting the hydraulic cylinder, allowing the toothed disc to cut coal and rock at different locations. This effectively solves the problem that the existing method of trenching in coal mine roadways, which uses manual pneumatic picks and hammers, is inefficient, physically demanding, and poses safety hazards. This method reduces the physical labor of workers, improves the efficiency of trenching and cutting operations in coal mines, and avoids safety accidents during trenching. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of a hydraulic grooving machine for coal mines according to the present invention;

[0031] Figure 2 This is a schematic cross-sectional view of the overall structure of a hydraulic grooving machine for coal mines according to this utility model;

[0032] Figure 3 This is a top view schematic diagram of the structure of a hydraulic grooving machine for coal mines according to the present invention;

[0033] Figure 4 This is a schematic diagram of the connection relationship between the moving plate and the protective shell of a hydraulic grooving machine for coal mines according to the present invention.

[0034] Figure 5 This is a schematic diagram of the structure of the grooving component of a hydraulic grooving machine for coal mines, which is located inside the protective shell.

[0035] Figure 6 This is a schematic diagram of the connection relationship between the adjusting seat and the moving plate of a hydraulic grooving machine for coal mines according to the present invention.

[0036] Figure 7 This is a schematic diagram of the connection relationship between the rotating rod and the rotary motor of a hydraulic grooving machine for coal mines according to this utility model.

[0037] In the diagram: 100, protective component; 101, protective shell; 102, casters; 103, rubber layer; 104, protective plate; 105, guide rail; 106, connecting buckle;

[0038] 200. Adjustment component; 201. Moving hydraulic cylinder; 203. Adjusting hydraulic cylinder; 204. Slide rail; 205. Adjustment seat; 206. Fixed rod; 207. Moving plate; 208. Fixed plate; 209. Support wheel;

[0039] 300. Slotted assembly; 301. Rotary motor; 302. Rotating rod; 303. Gear disc; 304. Drive motor; 305. Fixing frame; 306. Rotary motor. Detailed Implementation

[0040] To facilitate understanding of this utility model, a more comprehensive description of this application will be given below with reference to the accompanying drawings, which show preferred embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to enable a more thorough and complete understanding of the disclosure of this utility model.

[0041] It should be noted that the terms "vertical," "horizontal," "up," "down," "left," "right," and similar expressions used in this article are for illustrative purposes only and do not represent the only possible implementation.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0043] like Figures 1 to 7As shown, this application proposes a hydraulic grooving machine for coal mines, including a protective assembly 100. The protective assembly 100 includes a protective shell 101 and moving wheels 102. The protective shell 101 is a hollow rectangular box, which can protect the internal adjustment assembly 200 and grooving assembly 300. The moving wheels 102 are used to support the movement of the protective shell 101, so that the protective shell 101 moves forward during grooving. It also includes an adjustment assembly 200 and a grooving assembly 300. The adjustment assembly 200 is located inside the protective shell 101 and includes an adjustment hydraulic cylinder 203 and an adjustment seat. 205, fixed rod 206, and movable plate 207; the adjusting seat 205 is fixed on the movable plate 207, which is located inside the protective shell 101; the fixed rod 206 is slidably connected to the adjusting seat 205, and can slide up and down on the adjusting seat 205; the adjusting hydraulic cylinder 203 is fixed on the adjusting seat 205, and is used to drive the fixed rod 206 to slide on the adjusting seat 205, thereby adjusting the height of the grooving assembly 300 fixed to the end of the fixed rod 206, so that the grooving assembly 300 can cut coal and rock at different heights; the grooving assembly Located at the end of the fixed rod 206, the grooving assembly 300 cuts and grooves the coal and rock in the coal mine. The grooving assembly 300 includes a rotating motor 301, a rotating rod 302, a gear disc 303, a drive motor 304, a fixed frame 305, and a rotary motor 306. The rotating rod 302 is rotatably connected to the end of the fixed rod 206. The rotating motor 301 drives the rotating rod 302 to rotate, allowing it to rotate horizontally towards both sides of the protective shell 101. This enables the gear disc 303 to cut the coal and rock at different locations. The rotary motor 306 is fixed inside the rotating rod 302. The fixed frame 305 is fixed on the rotating shaft of the rotary motor 306, and the rotary motor 306 drives the fixed frame 305 to rotate. The gear plate 303 is fixed on the fixed frame 305. When the fixed frame 305 rotates, it can drive the gear plate 303 to rotate. The gear plate 303 can rotate to a horizontal and vertical position, thereby opening grooves with different orientations in the coal mine. The drive motor 304 is fixed on the upper side of the drive frame. The drive motor 304 drives the gear plate 303 to rotate. The rotation of the gear plate 303 cuts the coal and rock, cutting the coal or rock in the coal mine, and achieving the effects of grooving and coal pillar recovery.

[0044] Preferably, the protective shell 101 has a rectangular opening on its side wall, from which the fixing rod 206 extends. Guide rails 105 are fixed on both sides of the rectangular opening on the side wall of the protective shell 101. The guide rails 105 are located on the outer side wall of the protective shell 101. The protective plate 104 is slidably connected to the guide rails 105. The protective plate 104 can prevent the cut coal and rock from entering the protective shell 101 and provides protection for the adjustment component 200 inside the protective shell 101. A connecting buckle 106 is fixed on the side wall of the protective shell 101. The connecting buckle 106 fixes the protective shell 101 to the vehicle that drives the protective shell 101. The vehicle pushes the protective shell 101 forward in the coal mine, and the vehicle controls the direction of movement of the protective shell 101. In roadways with low coal seam thickness, where it is inconvenient for workers to enter, the protective shell 101 can be moved to a low roadway, thus facilitating the cutting of coal and rock such as slotting in the low roadway.

[0045] Preferably, the adjusting seat 205 is a rectangular frame; the adjusting hydraulic cylinder 203 is fixed on the top of the adjusting seat 205, the piston rod of the adjusting hydraulic cylinder 203 passes through the adjusting seat 205, and the piston rod of the adjusting hydraulic cylinder 203 is fixed to the fixed rod 206 by bolts. The adjusting hydraulic cylinder 203 drives the fixed rod 206 to slide up and down, and the adjusting hydraulic cylinder 203 can fix the fixed rod 206 at a specified height, thereby realizing the height adjustment of the toothed disc 303, so that the toothed disc 303 can cut coal and rock at different heights.

[0046] Preferably, T-shaped rails are fixed on both sides of the rectangular frame of the adjusting seat 205, and the fixing rod 206 is fixed on the adjusting seat 205 by the T-shaped rails, so that the fixing rod 206 can slide up and down on the adjusting seat 205.

[0047] Preferably, the adjusting assembly 200 further includes a movable hydraulic cylinder 201, a slide rail 204, and a fixed plate 208. The movable hydraulic cylinder 201 is fixedly installed inside the protective shell 101. The piston rod end of the movable hydraulic cylinder 201 is fixedly connected to the fixed plate 208. The fixed plate 208 is fixedly connected to the lower side of the movable plate 207. The movable hydraulic cylinder 201 is used to drive the movable plate 207 to move inside the protective shell 101. After grooving is completed, the piston rod of the movable hydraulic cylinder 201 drives the movable plate 207 to move toward the movable hydraulic cylinder 201, so that the grooving assembly 300 moves into the protective shell 101. Then the protective plate 104 is lowered. When grooving is needed, the protective plate 104 is slid upward, and the movable hydraulic cylinder 201 pushes the grooving assembly 300 out of the protective shell 101. The slide rail 204 is fixedly connected to the inner two side walls of the protective shell 101. The movable plate 207 is slidably connected to the slide rail 204. When the movable plate 207 moves, it slides on the slide rail 204.

[0048] Preferably, the fixing plate 208 is a rectangular plate.

[0049] Preferably, the fixing rod 206 is a Y-shaped rod, and a rotating motor 301 is fixed to each of the forked ends of the fixing rod 206. The rotating shaft of the rotating motor 301 is rotatably connected to the fixing rod 206, and a rotating rod 302 is fixed on the rotating shaft of the rotating motor 301. The rotation of the rotating shaft of the rotating motor 301 drives the rod to rotate. Each rotating rod 302 is fixed with a toothed disc 303 by a fixing frame 305. During grooving, the two toothed discs 303 can cut the coal and rock simultaneously.

[0050] Preferably, the rotating motor 301 can drive the rotating rod 302 to rotate in the opposite direction, so that the toothed disc 303 can cut the coal and rock on both sides of the protective shell 101. The rotating motor 301 can also drive the rotating rod 302 to swing synchronously, so that the toothed disc 303 can cut the coal seam in the front range, so that the toothed disc 303 can mine the coal seam.

[0051] Preferably, the diameter of the toothed disc 303 is the same as the height of the protective shell 101. When it is necessary to open a groove with a height greater than that of the protective shell 101, the toothed disc 303 can be rotated to a vertical position, and the fixing rod 206 can be moved on the adjusting seat 205 so that the toothed disc 303 can cut a groove with a height greater than that of the protective shell 101.

[0052] Preferably, the drive motor 304 is equipped with a protective shell to prevent the drive motor 304 from being damaged by rocks flying out when the toothed disc 303 is cutting coal and rock.

[0053] Preferably, the rotary motor 301 is equipped with a protective shell, which can prevent the rotary motor 301 from being damaged when cutting coal and rock. The rotary motor 301 is a servo motor with a self-locking function, which can rotate the rotating rod 302 to a specified angle and fix it according to the needs of cutting coal and rock, thereby facilitating the cutting of coal and rock at different positions.

[0054] Preferably, a gap is left between the bottom of the movable plate 207 and the protective shell 101, and a support wheel 209 is fixed to the bottom of the movable plate 207; the support wheel 209 contacts the bottom of the protective shell 101, and the support wheel 209 rolls inside the protective shell 101 when the movable plate 207 moves. The support wheel 209 can support the movable plate 207 and reduce the friction between the movable plate 207 and the protective shell 101 when the movable plate 207 moves.

[0055] Preferably, the slide rail 204 is a T-shaped rod, and the movable plate 207 has T-shaped grooves of the same shape on both sides, and the slide rail 204 is engaged in the T-shaped grooves on both sides of the movable plate 207.

[0056] Preferably, the movable wheel 102 is covered with a rubber layer 103.

[0057] Preferably, the rotating rod 302 has a groove, and the rotary motor 306 is fixed in the groove on the rotating rod 302. The fixing bracket 305 is fixedly connected to the rotating shaft of the rotary motor 306 by bolts. The rotary motor 306 is a servo motor with a self-locking function. The rotary motor 306 can rotate the toothed disk 303 to a specified angle, and the rotary motor 306 will not drive the toothed disk 303 to rotate when the toothed disk 303 is cutting coal and rock.

[0058] In practical use, a hydraulic grooving machine for coal mines according to an embodiment of this application is as follows:

[0059] The protective plate 104 is pulled upwards. Driven by the moving hydraulic cylinder 201, the moving plate 207 moves toward the protective plate 104, causing the grooving assembly 300 to move from inside the protective shell 101 to the outside. The fixing rod 206 extends out from inside the protective shell 101 and is driven by the rotating motor 301 to rotate the rotating rod 302 horizontally, so that the toothed disc 303 can cut the coal and rock on both sides of the protective shell 101. The rotating motor 306 drives the fixing frame 305 to rotate, so that the toothed disc 303 can rotate to different angles. Driven by the adjusting hydraulic cylinder 203, the fixing rod 206 can move up and down, thereby driving the toothed disc 303 to move up and down, so that the toothed disc 303 can cut the coal and rock at different positions.

[0060] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. For those skilled in the art, various modifications and variations are possible with this utility model. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A hydraulic grooving machine for coal mines, comprising a protective assembly (100), the protective assembly (100) comprising a protective shell (101) and a moving wheel (102), the protective shell (101) being a hollow rectangular box, and the moving wheel (102) being used to support the movement of the protective shell (101); Its features are, It also includes an adjustment assembly (200) and a slotting assembly (300); The adjustment assembly (200) is located inside the protective shell (101), and the adjustment assembly (200) includes an adjustment hydraulic cylinder (203), an adjustment seat (205), a fixed rod (206), and a movable plate (207); The adjusting seat (205) is fixed on the movable plate (207), the movable plate (207) is located inside the protective shell (101), and the fixing rod (206) is slidably connected to the adjusting seat (205); The adjusting hydraulic cylinder (203) is fixed on the adjusting seat (205), and the adjusting hydraulic cylinder (203) is used to drive the fixed rod (206) to slide on the adjusting seat (205); The grooving assembly (300) is located at the end of the fixed rod (206). The grooving assembly (300) includes a rotating motor (301), a rotating rod (302), a gear plate (303), a drive motor (304), a fixed frame (305), and a rotating motor (306). The rotating rod (302) is rotatably connected to the end of the fixed rod (206). The rotating motor (301) is used to drive the rotating rod (302) to rotate. The rotating rod (302) has a fixed rotating motor (306) inside. The fixed frame (305) is fixed on the rotating shaft of the rotating motor (306). The rotating motor (306) drives the fixed frame (305) to rotate. The toothed disc (303) is fixed on the fixed frame (305), and the drive motor (304) is fixed on the upper side of the drive frame. The drive motor (304) drives the toothed disc (303) to rotate, and the coal and rock are cut by the rotation of the toothed disc (303).

2. The hydraulic grooving machine for coal mines as described in claim 1, characterized in that, The protective shell (101) has a rectangular opening on its side wall, and the fixing rod (206) extends out from the rectangular opening; The protective shell (101) has guide rails (105) fixed on both sides of the rectangular opening on the side wall. The guide rails (105) are located on the outer side wall of the protective shell (101), and a protective plate (104) is slidably connected on the guide rails (105). A connecting buckle (106) is fixed on the side wall of the protective shell (101), and the connecting buckle (106) fixes the protective shell (101) and the vehicle that drives the protective shell (101) to move.

3. The hydraulic grooving machine for coal mines as described in claim 1, characterized in that, The adjusting seat (205) is a rectangular frame; The regulating hydraulic cylinder (203) is fixed on the top of the regulating seat (205), and the piston rod of the regulating hydraulic cylinder (203) passes through the regulating seat (205). The piston rod of the regulating hydraulic cylinder (203) is fixed to the fixing rod (206) by bolts.

4. A hydraulic grooving machine for coal mines as described in claim 1, characterized in that, The adjustment assembly (200) also includes a movable hydraulic cylinder (201), a slide rail (204), and a fixed plate (208); A movable hydraulic cylinder (201) is fixed inside the protective shell (101). The piston rod end of the movable hydraulic cylinder (201) is fixedly connected to the fixed plate (208). The fixed plate (208) is fixedly connected to the lower side of the movable plate (207). The movable hydraulic cylinder (201) is used to drive the movable plate (207) to move inside the protective shell (101). The fixing plate (208) is a rectangular plate; The slide rail (204) is fixedly connected to the inner two side walls of the protective shell (101), and the movable plate (207) is slidably connected to the slide rail (204).

5. A hydraulic grooving machine for coal mines as described in claim 3, characterized in that, The fixed rod (206) is a Y-shaped rod. A rotating motor (301) is fixed to the end of the forked part of the fixed rod (206). The rotating shaft of the rotating motor (301) is rotatably connected to the fixed rod (206). A rotating rod (302) is fixed on the rotating shaft of the rotating motor (301).

6. A hydraulic grooving machine for coal mines as described in claim 4, characterized in that, A gap is left between the bottom of the movable plate (207) and the protective shell (101), and a support wheel (209) is fixed to the bottom of the movable plate (207); The support wheel (209) contacts the bottom of the protective shell (101), and the support wheel (209) rolls inside the protective shell (101) when the moving plate (207) moves.

7. A hydraulic grooving machine for coal mines as described in claim 4, characterized in that, The slide rail (204) is a T-shaped rod, and the movable plate (207) has T-shaped grooves of the same shape on both sides. The slide rail (204) is fitted into the T-shaped grooves on both sides of the movable plate (207).

8. A hydraulic grooving machine for coal mines as described in claim 1, characterized in that, The movable wheel (102) is covered with a rubber layer (103); The rotating rod (302) has a groove, and the rotary motor (306) is fixed in the groove on the rotating rod (302).