Coal mine underground coiled static crushing agent rapid filling device

Abstract

The utility model provides a coal mine underground package static crushing agent rapid filling device which comprises a supporting base, a shell is fixedly connected to the top of the supporting base, a guide sleeve is movably connected to an inner cavity of the shell, and the guide sleeve is driven in the shell through a driving mechanism. The bottom end of the guide sleeve is closed, the top of the guide sleeve is open, a supporting plate is arranged at the top end of the guide sleeve, and a hydraulic rod is installed in the guide sleeve. Static crushing agent cartridges are fed into the guide sleeve, the guide sleeve extends out of the top end of the shell through the driving mechanism and is inserted into a hole opening for guiding, then the output end of the control hydraulic rod is started to extend, the cartridges are pushed to be upwards filled into the top end of a drilled hole, and high-position manual hole and stick filling is replaced; the hydraulic rod adopts the multi-stage telescopic rod design, the crushing agent cartridge is automatically and accurately fed into the top end position of a drill hole, stable filling of the static crushing agent cartridge is achieved, use is convenient, operation is easy, and the agent filling efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of underground coal mining, and particularly relates to a rapid loading device for coiled static rock breaking agent underground in coal mines. Background Art

[0002] Due to its high rock breaking efficiency, no pollution and other advantages, static rock breaking agent has been gradually applied to fields such as hard roof cracking and roof cutting, and roadway rock breaking and tunneling underground in coal mines in recent years. In actual underground applications, for the charging boreholes vertically upward, coiled static rock breaking agent is often used.

[0003] At present, there is no auxiliary means for loading the static rock breaking agent cartridges. When loading multiple static rock breaking agent cartridges, manual butt joint at the orifice and ramming with a wooden stick are relied on. When the surrounding rock of the borehole is broken and deep hole charging is carried out, the operation of loading the static rock breaking agent is difficult, and the situation that the static rock breaking agent cannot be loaded to the bottom of the hole often occurs, resulting in poor rock breaking effect. When charging upward boreholes in the roof of coal mine roadways, workers need to stand at a relatively high position, which not only has poor safety, but also has low loading efficiency and difficult to guarantee the loading quality, often leading to low efficiency of underground static rock breaking agent rock breaking operations and affecting the project quality and progress.

[0004] The utility model provides a rapid loading device for coiled static rock breaking agent underground in coal mines to improve the current dilemma of loading the static rock breaking agent. Summary of the Invention

[0005] Aiming at the defects existing in the existing static rock breaking agent cartridge loading technology described in the background art, the utility model provides a rapid loading device for coiled static rock breaking agent underground in coal mines to solve the technical problems such as workers standing at a relatively high position, poor safety, low cartridge loading efficiency, and poor loading quality during the operation of loading the existing static rock breaking agent cartridges.

[0006] To achieve the above technical purpose, the utility model is realized through the following technical solutions:

[0007] A rapid loading device for coiled static rock breaking agent underground in coal mines, comprising a support base, a housing fixedly connected to the top of the support base, a guide sleeve movably connected to the inner cavity of the housing, and the guide sleeve is driven by a driving mechanism in the housing;

[0008] The bottom end of the guide sleeve is closed and the top end is open, and a support plate is arranged at the top end of the guide sleeve. A hydraulic rod is installed inside the guide sleeve, and the output shaft of the hydraulic rod is drivingly connected to the support plate. A charging window is opened at the top end of one side of the housing. When the guide sleeve is in the fully retracted state, the upper surface of the support plate is flush with the bottom end of the charging window, and a rubber gasket is arranged on the outer side of the support plate so that the support plate can enter the guide sleeve.

[0009] Preferably, an external hydraulic mechanism is provided at the connecting end of the hydraulic rod for providing kinetic energy for the telescoping of the output end of the hydraulic rod.

[0010] Preferably, the driving mechanism includes an air supply pipe and an exhaust pipe. The outer wall of the guiding sleeve fits with the inner wall of the housing, and a sealing ring is sleeved outside the bottom end of the guiding sleeve. A gas cavity is preset between the bottom end of the guiding sleeve and the supporting base. The air supply pipe and the exhaust pipe both penetrate into the gas cavity. One-way valves with opposite orientations are respectively arranged inside the air supply pipe and the exhaust pipe. The ends of the air supply pipe and the exhaust pipe are installed with a pneumatic mechanism for changing the air pressure inside the gas cavity.

[0011] Preferably, the driving mechanism includes a driving motor. The driving motor is installed on the housing. The output end of the driving motor is in transmission connection with a gear. A vertically distributed rack is installed on the guiding sleeve, and the gear meshes with the rack for transmission.

[0012] Preferably, vertically distributed strip-shaped grooves are formed on the outer side of the guiding sleeve, and the rack is embedded inside the strip-shaped grooves. A notch is formed on the outer wall of the housing, and the gear is rotatably connected inside the notch.

[0013] Preferably, vertically distributed limiting blocks are fixedly connected to the outer side of the guiding sleeve. Vertically distributed limiting grooves are formed on the inner wall of the housing, and the limiting blocks are slidably connected with the limiting grooves.

[0014] Preferably, a ring sleeve is installed on the outer side of the housing, and ear plates are integrally arranged on the outer side of the ring sleeve. A supporting leg is hinged to the ear plate, and the length of the supporting leg is greater than the length of the housing.

[0015] Preferably, the number of the ear plates is at least three, and the supporting legs and the ear plates are distributed in one-to-one correspondence. The plurality of ear plates and supporting legs are distributed in a circular array.

[0016] Preferably, the ring sleeve is slidably connected with the housing, and a locking bolt is threaded through the ring sleeve.

[0017] Preferably, the supporting leg includes a leg plate and a cross plate. The cross plate is hinged to the bottom of the leg plate, and a through hole is formed on the leg plate. A ground nail is inserted into the through hole.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] By feeding the static fracturing agent cartridges into the guiding sleeve, using the driving mechanism to extend the guiding sleeve from the top of the housing, inserting it into the orifice for guiding, and then further starting the control to extend the output end of the hydraulic rod, pushing the cartridges upward and loading them into the top of the drill hole, replacing the high-position manual hole alignment and wooden stick stuffing. The hydraulic rod adopts a multi-stage telescopic rod design, automatically and accurately feeding the fracturing agent cartridges to the top position of the drill hole, realizing the stable loading of the static fracturing agent cartridges. The device is easy to use, the operation is simple, it can improve the efficiency of agent loading, shorten the construction time, and has good popularization prospects;

[0020] By placing the whole device directly below the orifice, unfolding the support legs outward, and fixing the bottom ends of the support legs to fit the ground with ground nails. After the device is stably installed, the support legs are retracted, and finally it returns to the initial state, which is convenient for repeated use of the device in multiple loading operations. The installation and use are convenient, and the stability during the loading of materials at the top orifice is improved. Brief Description of the Drawings

[0021] Figure 1 is a schematic diagram of the use state of the present utility model;

[0022] Figure 2 is a three-dimensional view of the overall structure provided in Embodiment 1 of the present utility model;

[0023] Figure 3 is a sectional view of the overall structure provided in Embodiment 1 of the present utility model;

[0024] Figure 4 is a front sectional view of the overall structure provided in Embodiment 1 of the present utility model;

[0025] Figure 5 is a three-dimensional view of the overall structure provided in Embodiment 2 of the present utility model;

[0026] Figure 6 is a sectional view of the overall structure provided in Embodiment 2 of the present utility model;

[0027] Figure 7 is a front sectional view of the overall structure provided in Embodiment 2 of the present utility model;

[0028] Figure 8 is a three-dimensional view of the guiding sleeve provided in Embodiment 2 of the present utility model.

[0029] In the figure:

[0030] Support base - 1; Housing - 2; Guiding sleeve - 3; Support plate - 4; Hydraulic rod - 5; Charging window - 6; Supplementary air pipe - 7; Exhaust pipe - 8; Sealing ring - 9; Air cavity - 10; Driving motor - 11; Gear - 12; Rack - 13; Strip-shaped groove - 14; Limit block - 15; Limit groove - 16; Ring sleeve - 17; Ear plate - 18; Support leg - 19; Locking bolt - 20;

[0031] Leg plate - 191; transverse plate - 192; through hole - 193. Specific implementation mode

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the technical solutions of the present utility model will be further described below with reference to the accompanying drawings.

[0033] Reference Figure 1-8 , a rapid loading device for static crushing agent in coiled form in underground coal mines, comprising a support base 1. A housing 2 is fixedly connected to the top of the support base 1. A guide sleeve 3 is movably connected to the inner cavity of the housing 2, and the guide sleeve 3 is driven by a driving mechanism within the housing 2. The guide sleeve 3 can provide a guiding function for docking with the orifice drilled in the top wall of the coal mine roadway;

[0034] The bottom end of the guide sleeve 3 is closed and the top is open. A support plate 4 is provided at the top end of the guide sleeve 3. A hydraulic rod 5 is installed inside the guide sleeve 3, and the output shaft of the hydraulic rod 5 is drivingly connected to the support plate 4. A charging window 6 is opened at the top end of one side of the housing 2, which allows the static crushing agent cartridge to pass through, enabling the hydraulic rod 5 to perform telescopic movement in the vertical direction. Then, the static crushing agent cartridge is loaded into the predetermined position through the support plate 4. When the guide sleeve 3 is in the fully retracted state, the upper surface of the support plate 4 is flush with the bottom end of the charging window 6, facilitating the placement of the static crushing agent cartridge. The outer side of the support plate 4 is provided with a rubber gasket, enabling the support plate 4 to enter the guide sleeve 3.

[0035] Specifically, an external hydraulic mechanism is provided at the connection end of the hydraulic rod 5 to provide kinetic energy for the telescopic movement of the output end of the hydraulic rod 5, and the output pipeline of the hydraulic mechanism is conveniently installed with the input end of the hydraulic rod 5.

[0036] To facilitate the installation of the entire device, a collar 17 is installed on the outer side of the housing 2, and lugs 18 are integrally provided on the outer side of the collar 17. A support leg 19 is hinged to the lugs 18, and the length of the support leg 19 is greater than the length of the housing 2.

[0037] To improve the stability of the entire device during installation, the number of lugs 18 is at least three, and the support legs 19 are distributed in one-to-one correspondence with the lugs 18. The multiple lugs 18 and support legs 19 are distributed in a circular array. During use, the support legs 19 are opened, and the support device formed by the multiple support legs 19 is used to improve its stability. When retracted, they are closely attached to the housing 2 to improve the portability of the loading device.

[0038] Specifically, the collar 17 is slidably connected to the housing 2, and a locking bolt 20 is threaded through the collar 17, facilitating the adjustment of the overall support position of the device and enabling quick fixation after the adjustment of the support structure position.

[0039] Specifically, the support leg 19 includes a leg plate 191 and a cross plate 192. The cross plate 192 is hinged to the bottom of the leg plate 191, and a through hole 193 is formed in the leg plate 191. A ground nail is inserted into the through hole 193, and the bottom end of the support leg 19 is fixed and attached to the ground through the ground nail, reducing the potential hazard of the device tipping over and being damaged.

[0040] As an embodiment of the driving mechanism in the present invention:

[0041] The driving mechanism includes a supplementary air pipe 7 and an exhaust pipe 8. The outer wall of the guiding sleeve 3 fits with the inner wall of the outer shell 2, and a sealing ring 9 is sleeved outside the bottom end of the guiding sleeve 3. A gas cavity 10 is preset between the bottom end of the guiding sleeve 3 and the support base 1. The supplementary air pipe 7 and the exhaust pipe 8 both penetrate into the gas cavity 10. Check valves with opposite orientations are respectively arranged inside the supplementary air pipe 7 and the exhaust pipe 8. Pneumatic mechanisms are installed at the ends of the supplementary air pipe 7 and the exhaust pipe 8 for changing the air pressure inside the gas cavity 10. By inflating the supplementary air pipe 7 through the pneumatic mechanism, the internal pressure of the gas cavity 10 is increased. Under the action of the sealing ring 9 and the guiding sleeve 3, a piston movement is performed inside, and the guiding sleeve 3 and its connecting structure can be lifted as a whole. During work, first insert the guiding sleeve 3 into the orifice to provide a guiding function for subsequent filler docking. During recovery, air is exhausted to form a negative pressure, causing the guiding sleeve 3 to retract for storage.

[0042] As another embodiment of the driving mechanism in the present invention:

[0043] The driving mechanism includes a driving motor 11. The driving motor 11 is installed on the outer shell 2. The output end of the driving motor 11 is drivingly connected with a gear 12. A vertically distributed rack 13 is installed on the guiding sleeve 3, and the gear 12 meshes with the rack 13 for transmission; vertically distributed strip-shaped grooves 14 are formed on the outer side of the guiding sleeve 3, and the rack 13 is embedded inside the strip-shaped grooves 14. A notch is formed on the outer wall of the outer shell 2, and the gear 12 is rotatably connected inside the notch; a vertically distributed limiting block 15 is fixedly connected to the outer side of the guiding sleeve 3, and vertically distributed limiting grooves 16 are formed on the inner wall of the outer shell 2, and the limiting block 15 is slidably connected with the limiting grooves 16.

[0044] The output shaft of the driving motor 11 drives the gear 12, which further meshes with the rack 13, enabling the guiding sleeve 3 to be lifted or pulled down. The limiting block 15 cooperates with the limiting grooves 16 to prevent the guiding sleeve 3 from twisting circumferentially, thereby improving the operating stability of the guiding sleeve 3.

[0045] A rapid loading device for roll-shaped static crushing agent in coal mine underground. When loading the static crushing agent into the drilled hole in the roadway roof, first place the whole device directly below the hole opening, unfold the support legs 19 outward, and fix the bottom ends of the support legs 19 to the ground by ground nails. After the device is stably installed, place the static crushing agent cartridge from the charging window 6 on the support plate 4, and then control the output end of the hydraulic rod 5 to retract. The support plate 4 enters the guide sleeve 3 until the static crushing agent cartridge is also inserted into the guide sleeve 3, preventing it from falling during the feeding process and avoiding foreign objects from falling into the guide sleeve 3. Use the driving mechanism to extend the guide sleeve 3 from the top of the outer shell 2 and insert it into the hole opening. Subsequently, further start to control the output end of the hydraulic rod 5 to extend, pushing the cartridge upward to load it into the top of the drilled hole. After the cartridge loading is completed, compact the cartridge, and the loading operation is completed. Control the output end of the hydraulic rod 5 to retract, withdraw the support plate 4, retract the support legs 19, and finally return to the initial state, facilitating the repeated use of the device in multiple loading operations, replacing the high-position manual hole alignment and wooden stick stuffing, and realizing the stable loading of the static crushing agent cartridge.

[0046] The above description only details the main features and advantages of the present invention, and does not limit the scope of the present invention. Without departing from the design principle of the present invention, various deformations and improvements made by those skilled in the art to the technical solution of the present invention should be included within the protection scope determined by the claims of the present invention.

Claims

1. A device for quickly filling a static crushing agent in a coal mine, comprising a support base (1), characterized in that: The top of the support base (1) is fixedly connected to a housing (2), the inner cavity of the housing (2) is movably connected to a guide sleeve (3), and the guide sleeve (3) is driven in the housing (2) via a driving mechanism; The bottom end of the guide sleeve (3) is closed and the top is arranged in an open shape, and a support plate (4) is arranged at the top end of the guide sleeve (3). A hydraulic rod (5) is installed inside the guide sleeve (3), and the output shaft of the hydraulic rod (5) is connected to the support plate (4) through a transmission, and a charging window (6) is opened at the top end of one side of the shell (2), and when the guide sleeve (3) is in a fully stored state, the upper surface of the support plate (4) is flush with the bottom end of the charging window (6), and a rubber gasket is arranged on the outer side of the support plate (4) so ​​that the support plate (4) can enter the guide sleeve (3).

2. The device for quickly filling a static crushing agent in a coal mine according to claim 1, characterized in that: The connecting end of the hydraulic rod (5) is provided with an external hydraulic mechanism, which is used to provide kinetic energy for the extension and retraction of the output end of the hydraulic rod (5).

3. The device for quickly filling a static crushing agent in a coal mine according to claim 1, characterized in that: The driving mechanism comprises an air supply pipe (7) and an exhaust pipe (8); the outer wall of the guide sleeve (3) matches the inner wall of the outer shell (2); a sealing ring (9) is sleeved on the outer side of the bottom end of the guide sleeve (3); an air cavity (10) is preset between the bottom end of the guide sleeve (3) and the support base (1); the air supply pipe (7) and the exhaust pipe (8) both penetrate into the air cavity (10); one-way valves facing opposite directions are respectively arranged inside the air supply pipe (7) and the exhaust pipe (8); and pneumatic mechanisms are installed at the ends of the air supply pipe (7) and the exhaust pipe (8) for changing the air pressure inside the air cavity (10).

4. The device for quickly filling a static crushing agent in a coal mine according to claim 1, characterized in that: The driving mechanism comprises a driving motor (11), the driving motor (11) being mounted on the housing (2), the output end of the driving motor (11) being drivingly connected to a gear (12), a vertically distributed rack (13) being mounted on the guide sleeve (3), and the gear (12) and the rack (13) being meshed for transmission.

5. The device for quickly filling a static crushing agent in a coal mine according to claim 4, characterized in that: The outer side of the guide sleeve (3) is provided with a vertically distributed strip groove (14), and the rack (13) is embedded in the strip groove (14). The outer wall of the housing (2) is provided with a notch, and the gear (12) is rotatably connected to the inside of the notch.

6. A device for quickly filling a static crushing agent in a coal mine according to claim 4, characterized in that: A vertically distributed limiting block (15) is fixedly connected to the outside of the guide sleeve (3), a vertically distributed limiting groove (16) is provided on the inner wall of the housing (2), and the limiting block (15) is slidably connected to the limiting groove (16).

7. The device for quickly filling a static crushing agent in a coal mine according to claim 1, characterized in that: A ring sleeve (17) is installed on the outer side of the outer shell (2), and an ear plate (18) is integrally provided on the outer side of the ring sleeve (17). A support leg (19) is hingedly connected to the ear plate (18), and the length of the support leg (19) is greater than the length of the outer shell (2).

8. The device for quickly filling a static crushing agent in a coal mine according to claim 7, characterized in that: The number of the ear plates (18) is set to at least three, and the support legs (19) are distributed in a one-to-one correspondence with the ear plates (18), and the plurality of ear plates (18) and support legs (19) are distributed in a ring array.

9. The device for quickly filling a static crushing agent in a coal mine according to claim 7, characterized in that: The ring sleeve (17) is slidably connected to the outer shell (2), and a locking bolt (20) is threadedly passed through the ring sleeve (17).

10. The device for quickly filling a static crushing agent in a coal mine according to claim 7, characterized in that: The supporting leg (19) comprises a leg plate (191) and a transverse plate (192), wherein the transverse plate (192) is hinged to the bottom of the leg plate (191), and a through hole (193) is provided on the leg plate (191), wherein a ground nail is inserted into the through hole (193).

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