Coal mine anchor rod supporting hole cleaning device
By designing a coal mine anchor bolt support hole cleaning device, which utilizes expansion components connected to the inner wall of the anchor hole and a self-generating power supply component, the problem of debris and small coal pieces falling during anchor hole cleaning is solved, improving safety and environmental hygiene.
Patent Information
- Application Number
- CN202423097903.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-16
AI Technical Summary
During the support process of underground roadways in coal mines, the falling debris and small coal pieces during the cleaning of anchor holes pose a safety hazard to workers and the environment, and the cleaning environment is unsanitary.
A coal mine anchor bolt support hole cleaning device was designed, including a cleaning rod and a protective component. The device is supported by an expansion component, such as an air bladder, on the inner wall of the anchor hole to reduce the falling of debris and small coal pieces. The expansion is achieved by a self-generating power supply component, avoiding the need for an additional power source. The device is combined with fluid jetting to improve cleaning efficiency.
This effectively reduced the direct falling of debris and small coal pieces during anchor hole cleaning, improved worker safety and environmental hygiene, and lowered safety risks during the cleaning process.
Smart Images
Figure CN223661878U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to roadway support technical field, in particular to a coal mine anchor rod support hole cleaning device. BACKGROUND
[0002] With the continuous updating of coal mine technology in our country, coal mining in our country mainly is mainly with underground mining, in order to guarantee the safety operation needs of underground, the roadway supported in time is needed to new excavation, to strengthen the stability of coal roadway surrounding rock, improve safety. Roadway support occupies roadway forming work time more than 60%, and the number of workers also exceeds 70%, at present, the staff in the cleaning anchor hole and small coal lump, usually by using the tool to explore into the anchor hole inner cavity, and the small coal lump is cleaned out, in this working process, the small coal lump and small coal lump falling easily cause great hidden trouble to the safety of the staff, and the coal lump falling on the ground easily causes a large amount of dust, and then causes the environmental hygiene of anchor hole cleaning to be poor. UTILITY MODEL CONTENTS
[0003] The utility model discloses a coal mine anchor rod support hole cleaning device to solve the problems existing in the prior art, can reduce the influence of the small coal lump and small coal lump directly falling in the anchor hole cleaning process on the safety of the staff and the surrounding environment.
[0004] To achieve the above object, the utility model provides the following scheme:
[0005] The utility model provides a coal mine anchor rod support hole cleaning device, including cleaning rod and protection assembly, the cleaning rod is used to stretch into the anchor hole and clean, the protection assembly includes expansion component and starting assembly, the expansion component is covered in the cleaning rod, the starting assembly is connected with the expansion component, the starting assembly can make the expansion component swell to be supported in the anchor hole inner wall.
[0006] Preferably, the expansion component is provided as a gasbag, and the starting assembly can make the gasbag inflate to be supported in the anchor hole inner wall.
[0007] Preferably, the starting assembly includes a decomposition component and a power supply component, the decomposition component is arranged in the gasbag, and the power supply component can be electrically connected with the decomposition component to make the decomposition component decompose to generate gas, so that the gasbag inflates.
[0008] Preferably, the power supply assembly comprises a shell, a striking component and a piezoelectric element, the shell is sleeved outside the cleaning rod, the expansion component is sleeved outside the shell, the striking component is movably arranged in the shell, the piezoelectric element is fixedly arranged in the shell, the piezoelectric element is electrically connected with the decomposition component, and the striking component can shake relative to the shell under the action of external vibration and can strike the piezoelectric element, so that the piezoelectric element generates electricity.
[0009] Preferably, the striking component comprises a first elastic member, a striking rod and a hammer head, one end of the striking rod is connected with the inner wall of the shell through the first elastic member, the other end of the striking rod is provided with the hammer head, and the hammer head is opposite to the piezoelectric element; the first elastic member can be deformed under external vibration to drive the striking rod to move, so that the piezoelectric element can be struck by the hammer head.
[0010] Preferably, the shell comprises a fixed shell and a movable cover, the inner ring of the movable cover is movably connected to the inner ring of one side of the fixed shell through a second elastic member, the fixed shell is fixedly connected with the cleaning rod, the expansion component is fixedly arranged on the outer ring of the fixed shell, and one end of the striking rod is connected with the inner wall of the movable cover through the first elastic member; in a natural state, the movable cover can be sealingly pressed on the expansion component under the action of the second elastic member, and under the action of external vibration, the movable cover can move relative to the fixed shell to drive the striking component to move, and the second elastic member is elastically deformed.
[0011] Preferably, a support pipe is movably sleeved outside the cleaning rod, a baffle is fixedly sleeved on the support pipe, the fixed shell and the movable cover are sealingly sleeved outside the support pipe, the fixed shell is fixedly connected with the support pipe, and the baffle can be fixedly abutted on one side of the fixed shell away from the movable cover.
[0012] Preferably, the air bag is made of waterproof and wear-resistant material.
[0013] Preferably, the front section of the cleaning rod protruding out of the support pipe is provided with a cleaning hole, the cleaning hole can be connected to an external device through a channel in the cleaning rod, and the cleaning hole is used for spraying fluid to the inner wall of the anchor hole.
[0014] Preferably, the front section of the cleaning rod protruding out of the support pipe is provided as a threaded section, and one end of the cleaning rod away from the threaded section is provided with a holding portion.
[0015] The utility model discloses relative to prior art has obtained following technical effect:
[0016] The coal mine anchor rod supporting hole cleaning device provided by the utility model can reduce the influence of the direct falling of sundry blocks and small coal blocks on the safety of the staff and the surrounding environment during the anchor hole cleaning process to a certain extent. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical schemes in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to the drawings without creative labor.
[0018] Figure 1 It is an overall schematic view of the coal mine anchor rod supporting hole cleaning device provided by the embodiment one.
[0019] Figure 2 It is a structural schematic view of the cleaning rod provided by the embodiment one.
[0020] Figure 3 It is a structural schematic view of the supporting pipe provided by the embodiment one.
[0021] Figure 4 It is a structural schematic view of the shell of the protection assembly provided by the embodiment one.
[0022] Figure 5 It is an internal partial sectional view of the protection assembly provided by the embodiment one.
[0023] In the figure, 1 is a cleaning rod, 11 is a cleaning hole, 12 is a threaded section, 13 is a holding part, 14 is a communication hole, 2 is a protection assembly, 21 is an expansion part, 22 is a starting assembly, 221 is a power supply assembly, 222 is a shell, 223 is a hitting part, 224 is a piezoelectric element, 225 is a first elastic member, 226 is a hitting rod, 227 is a hammer head, 228 is a fixed shell, 229 is a movable cover, 23 is a second elastic member, 3 is a supporting pipe, and 31 is a baffle. DETAILED DESCRIPTION
[0024] The technical schemes in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0025] The utility model discloses a coal mine anchor rod supporting hole cleaning device to solve the problems of the prior art, which can reduce the direct falling of miscellaneous blocks and small coal blocks during the anchor hole cleaning process, thereby ensuring the safety of workers and the surrounding environment.
[0026] To make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail below in combination with the drawings and specific embodiments.
[0027] Embodiment one
[0028] The utility model provides a coal mine anchor rod supporting hole cleaning device, please see Figures 1-5 , including cleaning rod 1 and protection assembly 2, cleaning rod 1 is used to stretch into anchor hole and clean, and protection assembly 2 includes expansion component 21 and starting assembly 22, expansion component 21 is sleeved on the outside of cleaning rod 1, starting assembly 22 is connected with expansion component 21, and starting assembly 22 can make expansion component 21 expand to be supported and connected in anchor hole inner wall.
[0029] By cleaning rod 1 stretch into anchor hole and clean, simultaneously, starting assembly 22 can act to make expansion component 21 expand, to be supported and connected in anchor hole inner wall to protect, so it can reduce the direct falling of miscellaneous blocks and small coal blocks during the anchor hole cleaning process to a certain extent, thereby ensuring the safety of workers and the surrounding environment.
[0030] In the optional scheme of the embodiment, preferably, expansion component 21 is provided as an air bag, and starting assembly 22 can inflate the air bag to expand and be supported and connected in the anchor hole inner wall. The inflation achieves expansion, which is convenient to operate. In addition, a pipeline can be used to connect the air bag, and the air bag can be inflated by water.
[0031] Further preferably, the air bag is made of a waterproof and wear-resistant material, such as nylon material, to avoid the air bag being easily damaged by miscellaneous blocks and small coal blocks in the anchor hole.
[0032] In the optional scheme of the embodiment, preferably, starting assembly 22 includes a decomposition component and a power supply assembly 221. The decomposition component is arranged in the air bag, and the power supply assembly 221 can be electrically connected with the decomposition component to make the decomposition component decompose to generate gas, so as to inflate the air bag. Specifically, the decomposition component is made of sodium azide, which can generate nitrogen gas to fill the air bag after being subjected to the voltage of the power supply assembly. In addition, a gas pump can be used to directly inflate the air bag.
[0033] In the optional scheme of the embodiment, preferably, please see Figure 5The power supply assembly 221 comprises a shell 222, a hitting component 223 and a piezoelectric element 224, the shell 222 is sleeved outside the cleaning rod 1, the expanding component 21 is sleeved outside the periphery of the shell 222, the hitting component 223 is movably arranged in the shell 222, the piezoelectric element 224 is fixedly arranged in the shell 222, and the piezoelectric element 224 is electrically connected with the decomposing component; wherein the hitting component 223 can shake relative to the shell 222 under the action of external vibration and can hit the piezoelectric element 224, so that the piezoelectric element 224 generates electricity, and the decomposing component is decomposed by electricity, so that the power supply assembly 221 is triggered to expand the air bag under the action of the cleaning vibration, and the air bag is convenient to extend into the anchor hole, and the whole is difficult to extend into the anchor hole under the action of the air bag expansion.
[0034] In an optional solution of the embodiment, preferably, the hitting component 223 comprises a first elastic member 225, a hitting rod 226 and a hammer head 227, one end of the hitting rod 226 is connected with the inner wall of the shell 222 through the first elastic member 225, the other end of the hitting rod 226 is provided with the hammer head 227, and the hammer head 227 is opposite to the piezoelectric element 224; the first elastic member 225 can be deformed under external vibration to drive the hitting rod 226 to move, so that the hammer head 227 can hit the piezoelectric element 224, and the first elastic member 225 ensures that the hitting rod 226 can move relative to the shell 222 to hit the piezoelectric element 224 through the hammer head 227, specifically, the piezoelectric element 227 is a piezoelectric ceramic sheet, wherein the first elastic member 225, the hitting rod 226 and the hammer head 227 can be arranged along the axial direction of the cleaning rod 1, when the cleaning rod 1 is used vertically, the piezoelectric element 224 is arranged at the lower end of the hammer head 227, and the piezoelectric element 224 is convenient to trigger under the action of gravity and external vibration.
[0035] In an optional solution of the embodiment, preferably, please refer to Figure 4 and Figure 5The shell 222 comprises a fixed shell 228 and a movable cover 229. The inner circle of the movable cover 229 is movably connected to the inner circle of one side of the fixed shell 228 through a second elastic element 23. The fixed shell 228 is fixed relative to the cleaning rod 1. The expansion component 21 is fixedly arranged at the outer circle of the fixed shell 228. One end of the striking rod 226 is connected to the inner wall of the movable cover 229 through a first elastic element 225. In a natural state, the movable cover 229 can be sealingly pressed to the expansion component 21 under the action of the second elastic element 23, so as to avoid the influence of external impurities on the operation of the internal structure. Under the action of external vibration, the movable cover 229 can move relative to the fixed shell 228. The movable cover 229 drives the striking component 223 to move, so as to ensure that the striking component 223 can move under the action of external vibration to make the piezoelectric element 224 generate electricity. Specifically, the second elastic element 23 is a torsion spring, which can maintain the sealing between the movable cover 229 and the air bag. The air bag can be bonded to one side of the movable cover 229, which is convenient for replacement.
[0036] In an optional solution of the embodiment, preferably, a support pipe 3 is sleeved outside the cleaning rod 1. A baffle 31 is fixedly sleeved on the support pipe 3. The fixed shell 228 and the movable cover 229 are sealingly sleeved outside the support pipe 3. The fixed shell 228 is fixed relative to the support pipe 3. The baffle 31 can be fixedly abutted on one side of the fixed shell 228 away from the movable cover 229 and seals the inside of the fixed shell 228. The cleaning rod 1 can move relative to the support pipe 3 to weakly clean the anchor hole. The vibration caused by the movement of the cleaning rod 1 can be transmitted to the movable cover 229 to drive the internal striking component 223 to move. The abutment between the fixed shell 228, the movable cover 229 and the support pipe 3 can be provided with a sealing ring.
[0037] In an optional solution of the embodiment, preferably, a cleaning hole 11 is arranged at the front section of the cleaning rod 1 extending out of the support pipe 3. The cleaning hole 11 can be connected to external equipment through the channel inside the cleaning rod 1 to spray fluid to the inner wall of the anchor hole. Specifically, the cleaning rod 1 is a hollow rod. The inside is provided with a ventilation and water line installation. One side of the cleaning rod 1 is provided with a communication hole 14 which can be connected to external equipment to perform strong cleaning work such as pneumatic injection through the cleaning hole 11. The relative movement of the cleaning rod 1 can improve the cleaning efficiency.
[0038] In an optional solution of the embodiment, preferably, the front section of the cleaning rod 1 extending out of the support pipe 3 is a threaded section 12. The threaded section 12 provided with double thread lines can facilitate the carrying of impurities. One end of the cleaning rod 1 away from the threaded section 12 is provided with a holding part 13 to facilitate the holding operation of the cleaning rod 1. Specifically, the inner diameter of the light rod section of the cleaning rod 1 is smaller than the inner diameter of the support pipe 3 to facilitate the relative movement. The outer diameter of the threaded section 12 is larger than the inner diameter of the support pipe 2 to avoid disengagement from the support pipe 3 and to enable the collision between the threaded section 12 and the support pipe 3 to transmit vibration energy to the protection assembly 2.
[0039] The principles and implementation modes of the present application are described by using specific examples in the present application, and the above examples are only used to help understand the method and core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation mode and application range. In conclusion, the content of the present application should not be understood as a limitation of the present application.
Claims
1. A device for cleaning a coal mine bolt hole, characterised in that: The utility model relates to a kind of anchor hole cleaning device, including: Cleaning rod (1) for cleaning into anchor hole; And Protection assembly (2), including expansion component (21) and starting assembly (22), the expansion component (21) is sleeved in the cleaning rod (1) outside, the starting assembly (22) is connected with the expansion component (21), the starting assembly (22) can make the expansion component (21) inflation to be supported in the anchor hole inner wall; The expansion component (21) is set as air bag, and the starting assembly (22) can make the air bag inflation to be supported in the anchor hole inner wall; The starting assembly (22) includes decomposition component and power supply assembly (221), the decomposition component is arranged in the air bag, and the power supply assembly (221) can be electrically connected with the decomposition component to make the decomposition component decompose gas, so that the air bag inflation.
2. A coal mine bolt hole cleaning device according to claim 1, characterised in that: The power supply assembly (221) includes shell (222), hitting component (223) and piezoelectric element (224), the shell (222) is sleeved in the cleaning rod (1) outside, the expansion component (21) is sleeved in the shell (222) periphery, the hitting component (223) is movably arranged in the shell (222), the piezoelectric element (224) is fixedly arranged in the shell (222), the piezoelectric element (224) is electrically connected with the decomposition component, and the hitting component (223) can shake relative to the shell (222) under the action of external vibration and can hit the piezoelectric element (224), so that the piezoelectric element (224) generates electricity.
3. A coal mine bolt hole cleaning device as claimed in claim 2, characterised in that: The hitting component (223) includes first elastic member (225), hitting rod (226) and hammer head (227), one end of the hitting rod (226) is connected with the inner wall of the shell (222) by the first elastic member (225), the other end of the hitting rod (226) is provided with the hammer head (227), and the hammer head (227) is opposite to the piezoelectric element (224);The first elastic member (225) can be deformed to drive the hitting rod (226) to move under external vibration, so that the piezoelectric element (224) can be hit by the hammer head (227).
4. A coal mine bolt hole cleaning device as claimed in claim 3, characterised in that: The shell (222) includes fixed shell (228) and movable cover (229), the inner ring of the movable cover (229) is movably connected to one side inner ring of the fixed shell (228) by second elastic member (23), the fixed shell (228) is fixed relative to the cleaning rod (1), the expansion component (21) is fixedly arranged in the outer ring of the fixed shell (228), and one end of the hitting rod (226) is connected with the inner wall of the movable cover (229) by the first elastic member (225). In the natural state, the movable cover (229) can be sealingly pressed on the expansion part (21) under the action of the second elastic member (23), and under the action of external vibration, the movable cover (229) can move relative to the fixed shell (228) to drive the striking part (223) to move, and the second elastic member (23) is elastically deformed.
5. A coal mine bolt hole cleaning device as claimed in claim 4, characterised in that: The outer sliding sleeve of the cleaning rod (1) is provided with a support pipe (3), the support pipe (3) is fixedly provided with a baffle (31), the fixed shell (228) and the movable cover (229) are sealingly provided outside the support pipe (3), the fixed shell (228) is fixedly connected with the support pipe (3), and the baffle (31) can be fixedly connected with one side of the fixed shell (228) away from the movable cover (229).
6. The coal mine bolt hole cleaning device of claim 1, wherein: The air bag is made of waterproof and wear-resistant material.
7. A coal mine bolt hole cleaning device as claimed in claim 5 wherein: The front section of the cleaning rod (1) extending out of the support pipe (3) is provided with a cleaning hole (11), the cleaning hole (11) can be connected to external equipment through the channel inside the cleaning rod (1), and the cleaning hole (11) is used for spraying fluid to the inner wall of the anchor hole.
8. A coal mine bolt hole cleaning device as claimed in claim 5 wherein: The front section of the cleaning rod (1) extending out of the support pipe (3) is provided as a threaded section (12), and one end of the cleaning rod (1) away from the threaded section (12) is provided with a holding part (13).