Coal mine water disaster prevention and control device

By using a combination of sealing cylinders and vibrating components in coal mine construction, the problem of residual gas in the cavities during the pouring process was solved, achieving dense pouring of concrete and improving the effectiveness of preventing water damage.

CN223868018UActive Publication Date: 2026-02-03SHANXI XIANGNING COKING COAL GRP TAITOU QIANWAN COAL IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520325479.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-02-03
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

Existing technologies often result in air trapped inside the holes during concrete pouring in coal mine construction, leading to incomplete pouring and failing to effectively prevent water damage.

Method used

A negative pressure environment is created by using a sealed cylinder and a lifting plate, and the gas in the holes is discharged by the vibrating components to ensure that the concrete is poured in a dense manner.

Benefits of technology

It effectively removes gas from the holes, ensuring dense concrete pouring and improving the effectiveness of preventing water damage.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223868018U_ABST
    Figure CN223868018U_ABST
Patent Text Reader

Abstract

The utility model discloses a coal mine water disaster prevention and control device, which belongs to the technical field of civil engineering and comprises a pouring pipe, a sealing cylinder is arranged on the outer side of the pouring pipe, a lifting plate is arranged on an annular area between the pouring pipe and the sealing cylinder, sealing is formed between the inner side of the lifting plate and the pouring pipe, and sealing is formed between the outer side of the lifting plate and the sealing cylinder. The lifting plate slides in the length direction of the pouring pipe, the interior of the pouring pipe is hollow, the pouring pipe is used for pouring concrete, a one-way valve assembly is arranged on the sealing cylinder, the sealing cylinder is used for forming negative pressure in a concrete pouring area, and a vibrating assembly is arranged on the outer side of the sealing cylinder and used for effectively driving gas in a hole for pouring concrete to be exhausted. According to the utility model, the quality of concrete poured in the holes in the coal mine can be effectively improved, thereby achieving the effect of preventing and controlling water disasters.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to civil engineering technical field, especially relate to a coal mine water disaster prevention device. BACKGROUND

[0002] In the coal mining operation, safety is the most important, wherein how to prevent and treat the occurrence of coal mine water disaster is a vital link, at present, in the construction process, the underground environment is surveyed, the area with water disaster risk is prevented and treated in advance, and the common prevention and treatment measure is to punch a hole on the ground and then pour concrete, how to guarantee the quality of pouring concrete becomes the key of prevention and treatment work, and the conventional pouring mode is easy to make the hole retain air, causes incomplete pouring and cannot prevent and treat water disaster well, based on the above disadvantages, the utility model provides a coal mine water disaster prevention device. SUMMARY

[0003] In view of the above technical problems, the utility model adopts the technical scheme that a coal mine water disaster prevention device, including the pouring pipe, the pouring pipe outside set up the sealing cylinder, the pouring pipe with the sealing cylinder between the annular region set up has the lifting plate, the lifting plate's inboard with the pouring pipe between form seal, the lifting plate's outside with the sealing cylinder between form seal, the lifting plate in the length direction of pouring pipe slide, the inside of pouring pipe is hollow, and the pouring pipe is used for pouring concrete, the sealing cylinder on set up one-way valve assembly, the sealing cylinder is used for forming the negative pressure in the area of pouring concrete, the outside of sealing cylinder set up the vibration and beat subassembly, for effectively drive the gas of pouring concrete's hole inside discharge.

[0004] Further, the pouring pipe is fixedly installed with the upper connecting plate above, the sealing cylinder is fixedly installed with the lower connecting plate outside, the upper connecting plate and the lower connecting plate are fixedly connected through the stand column between, the lower connecting plate both ends are below respectively provided with the screw rod, the screw rod is connected with the motor output shaft, and the screw rod is rotated into the soil under the drive of the motor, drives the sealing cylinder and the pouring pipe to descend simultaneously, and the lower end of the sealing cylinder is inserted into the soil, and the lower end of the pouring pipe is inserted into the hole.

[0005] Further, the sealing cylinder is fixedly installed with the mounting plate inside, the first end of the lead screw is rotatably installed on the mounting plate, the second end of the lead screw is rotatably installed on the upper connecting plate, the lead screw is screw connected between the lifting plate, and one end of the lead screw is fixedly connected with the motor output shaft.

[0006] Further, the unidirectional valve assembly comprises a support cylinder, a first spring and a sealing ball, a through hole is arranged on the lifting plate, the support cylinder is coaxially arranged above the through hole, the upper portion of the support cylinder is in a circular plate structure, a plurality of supporting legs are arranged below the plate structure, the first end of the first spring is fixedly installed on the lower surface of the support cylinder, the second end of the first spring is fixedly connected with the sealing ball, and the diameter of the sealing ball is greater than that of the through hole on the lifting plate.

[0007] Further, the vibrating assembly comprises guide plates, the two guide plates are arranged on the lower connecting plate at 180 degrees, the vibrating rods are slidably installed on the guide plates, the baffle plates are arranged on the vibrating rods, the second springs are coaxially arranged between the guide plates and the baffle plates, and the two vibrating rods reciprocate to realize the vibration of the soil under the action of the driving assembly, thereby helping the gas in the hole to be discharged.

[0008] Further, the driving assembly comprises a stop rod and a rotating cylinder, the rotating cylinder is rotatably installed on the outer side of the sealing cylinder, the rotating cylinder is coaxially arranged with the sealing cylinder, a plurality of special guide grooves are arranged on the rotating cylinder, each guide groove comprises a vertical portion, a horizontal portion and an inclined portion, the stop rod is fixedly connected with the vibrating rod, the stop rod is in contact with the upper surface of the rotating cylinder, and the rotating cylinder drives the vibrating rod to reciprocate on the guide plate through rotation.

[0009] Further, the sealing cylinder is provided with a motor seat, the driving motor is fixedly installed on the motor seat, the output shaft of the driving motor is fixedly installed with a driving wheel, the driving wheel is connected with the rotating cylinder through friction or gear connection, and the driving wheel is used for driving the rotating cylinder to rotate.

[0010] The utility model has the advantages that (1) the utility model creates a negative pressure environment above the hole through the sealing cylinder and the lifting plate, which helps to discharge the air in the hole; (2) the utility model knocks the soil around the hole through the vibrating assembly, effectively helps to discharge the air in the hole, greatly avoids the defect of poor concrete pouring, and further guarantees the prevention effect. ACCURACY OF DRAWINGS

[0011] Figure 1 The utility model is a whole structure schematic diagram Figure 1 .

[0012] Figure 2 The utility model is a part structure schematic diagram Figure 1 .

[0013] Figure 3 The utility model is Figure 2 The utility model is a sectional view.

[0014] Figure 4 The utility model is Figure 3A local enlarged view at the middle A.

[0015] Figure 5 The overall structure of the present application is shown Figure 2 .

[0016] The drawings refer to: 1-pouring pipe; 2-upper connecting plate; 3-stand; 4-lower connecting plate; 5-screw rod; 6-sealing cylinder; 7-screw rod; 8-mounting plate; 9-lifting plate; 10-support cylinder; 11-first spring; 12-sealing ball; 13-guide plate; 14-vibrating rod; 15-second spring; 16-baffle; 17-stop rod; 18-rotary drum; 19-driving wheel; 20-driving motor; 21-motor base. DETAILED DESCRIPTION

[0017] The specific embodiment of the present application is further described below in conjunction with the drawings.

[0018] Embodiment: Reference Figures 1-5 A coal mine water damage prevention device, comprising a pouring pipe 1, a sealing cylinder 6 is arranged outside the pouring pipe 1, a lifting plate 9 is arranged on the annular area between the pouring pipe 1 and the sealing cylinder 6, the inside of the lifting plate 9 and the pouring pipe 1 form a seal, the outside of the lifting plate 9 and the sealing cylinder 6 form a seal, the lifting plate 9 slides in the length direction of the pouring pipe 1, the inside of the pouring pipe 1 is hollow, the pouring pipe 1 is used for pouring concrete, a one-way valve assembly is arranged on the sealing cylinder 6, the sealing cylinder 6 is used to form negative pressure in the area of pouring concrete, the outside of the sealing cylinder 6 is provided with a vibrating assembly for effectively driving the gas inside the hole of the poured concrete to be discharged.

[0019] The upper connecting plate 2 is fixedly installed above the pouring pipe 1, the lower connecting plate 4 is fixedly installed outside the sealing cylinder 6, the upper connecting plate 2 and the lower connecting plate 4 are fixedly connected through the stand 3, the screw rod 5 is arranged below both ends of the lower connecting plate 4, the screw rod 5 is connected with the motor output shaft, the screw rod 5 is rotated into the soil under the drive of the motor, driving the sealing cylinder 6 and the pouring pipe 1 to descend at the same time, the lower end of the sealing cylinder 6 is inserted into the soil, and the lower end of the pouring pipe 1 is inserted into the hole.

[0020] The mounting plate 8 is fixedly installed inside the sealing cylinder 6, the first end of the screw rod 7 is rotatably installed on the mounting plate 8, the second end of the screw rod 7 is rotatably installed on the upper connecting plate 2, the screw rod 7 is threadedly connected between the lifting plate 9, and one end of the screw rod 7 is fixedly connected with the motor output shaft.

[0021] The one-way valve assembly comprises a support cylinder 10, a first spring 11 and a sealing ball 12, the lifting plate 9 is provided with a through hole, the support cylinder 10 is coaxially arranged above the through hole, the upper portion of the support cylinder 10 is a circular plate structure, a plurality of supporting legs are arranged at the lower portion of the plate structure, the lower surface of the support cylinder 10 is fixedly installed with the first end of the first spring 11, the second end of the first spring 11 is fixedly connected with the sealing ball 12, and the diameter of the sealing ball 12 is greater than the diameter of the through hole of the lifting plate 9.

[0022] The vibrating assembly comprises guide plates 13, the two guide plates 13 are arranged on the lower connecting plate 4 at 180°, the vibrating rods 14 are slidably installed on the guide plates 13, the baffle plates 16 are arranged on the vibrating rods 14, the second springs 15 are arranged between the guide plates 13 and the baffle plates 16 and are coaxial with the vibrating rods 14, and the two vibrating rods 14 reciprocate to realize the vibration of the soil under the action of the driving assembly, thereby helping the gas in the hole to be discharged.

[0023] The driving assembly comprises a stop lever 17 and a rotating cylinder 18, the rotating cylinder 18 is rotatably installed on the outer side of the sealing cylinder 6, the rotating cylinder 18 is coaxially arranged with the sealing cylinder 6, a plurality of special guide grooves are arranged on the rotating cylinder 18, each guide groove comprises a vertical portion, a horizontal portion and an inclined portion, the stop lever 17 is fixedly connected with the vibrating rod 14, the stop lever 17 is in contact with the upper surface of the rotating cylinder 18, and the rotating cylinder 18 rotates to drive the vibrating rod 14 to reciprocate on the guide plate 13.

[0024] The sealing cylinder 6 is provided with a motor base 21, the driving motor 20 is fixedly installed on the motor base 21, the output shaft of the driving motor 20 is fixedly installed with the driving wheel 19, and the driving wheel 19 is connected with the rotating cylinder 18 through friction or forms a gear connection, and the driving wheel 19 is used for driving the rotating cylinder 18 to rotate.

[0025] The working principle of the water disaster prevention device is as follows: when in use, the device is placed on the ground, the motor connected with the screw rod 5 is started, the pressure is applied to the upper portion of the upper connecting plate 2 by an operator, the screw rod 5 is screwed into the soil under the driving of the motor, the pouring pipe 1 is simultaneously extended into the hole in the ground, the bottom of the sealing cylinder 6 is extended into the soil around the hole of the pouring pipe 1, at this moment, the sealing cylinder 6, the lifting plate 9 and the pouring pipe 1 form a sealed area above the hole, the motor connected with the lead screw 7 is started while the pouring pipe 1 injects the concrete into the hole, the lead screw 7 moves upwards, the inside of the sealing cylinder 6 is under negative pressure due to the one-way valve assembly, the air in the hole can be effectively discharged, when the lifting plate 9 moves to the upper limit position, the motor drives the lead screw 7 to reverse, the lifting plate 9 descends, the air pushes away the sealing ball 12 as the air pressure in the inside of the sealing cylinder 6 increases, and the air is discharged from the inside of the sealing cylinder 6, when the lifting plate 9 moves to the lower limit position, the motor drives the lead screw 7 to reverse again, the lifting plate 9 rises, and the pressure in the inside of the sealing cylinder 6 gradually decreases.

[0026] At the same time of injecting the concrete, the driving motor 20 is started, the driving motor 20 drives the driving wheel 19 to rotate, the driving wheel 19 drives the rotating drum 18 to rotate through friction or gear structure, the rotating drum 18 drives the vibrating rod 14 to reciprocate under the action of the guide groove and the stop lever 17, the vibrating rod 14 realizes the vibration of the ground, further helps the gas to be discharged, and is favorable to guarantee the pouring quality of the concrete.

Claims

1. A coal mine water hazard prevention device, characterized in that: The utility model provides a kind of concrete pouring pipe, including pouring pipe (1), the pouring pipe (1) outside is provided with sealing cylinder (6), the circular ring area between the pouring pipe (1) and sealing cylinder (6) is provided with lifting plate (9), the inside of lifting plate (9) and pouring pipe (1) forms seal, the outside of lifting plate (9) and sealing cylinder (6) forms seal, the lifting plate (9) slide in the length direction of pouring pipe (1), the inside of pouring pipe (1) is hollow, pouring pipe (1) is used to pour concrete, the sealing cylinder (6) is provided with one-way valve assembly, the sealing cylinder (6) is used to form negative pressure in the area of pouring concrete, the outside of sealing cylinder (6) is provided with vibrating assembly, for effectively driving the gas discharge inside the hole of pouring concrete.

2. The coal mine water disaster prevention device according to claim 1, characterized in that: The utility model discloses a kind of concrete pouring pipe, including pouring pipe (1), the pouring pipe (1) outside is provided with sealing cylinder (6), the circular ring area between the pouring pipe (1) and sealing cylinder (6) is provided with lifting plate (9), the inside of lifting plate (9) and pouring pipe (1) forms seal, the outside of lifting plate (9) and sealing cylinder (6) forms seal, the lifting plate (9) slide in the length direction of pouring pipe (1), the inside of pouring pipe (1) is hollow, pouring pipe (1) is used to pour concrete, the sealing cylinder (6) is provided with one-way valve assembly, the sealing cylinder (6) is used to form negative pressure in the area of pouring concrete, the outside of sealing cylinder (6) is provided with vibrating assembly, for effectively driving the gas discharge inside the hole of pouring concrete.

3. The coal mine water disaster prevention device according to claim 2, characterized in that: The inside of sealing cylinder (6) is fixedly installed with mounting plate (8), the first end of screw rod (7) is rotatably installed on the mounting plate (8), the second end of screw rod (7) is rotatably installed on the upper connecting plate (2), screw rod (7) is threadedly connected with lifting plate (9), one end of screw rod (7) is fixedly connected with motor output shaft.

4. The coal mine water disaster prevention device according to claim 1, characterized in that: The one-way valve assembly includes a support cylinder (10), a first spring (11), and a sealing ball (12). The lifting plate (9) has a through hole, and the support cylinder (10) is coaxially arranged above the through hole. The support cylinder (10) has a circular plate structure at the top, and multiple legs are arranged below the plate structure. The first end of the first spring (11) is fixedly installed on the lower surface of the support cylinder (10), the second end of the first spring (11) is fixedly connected with the sealing ball (12), and the diameter of the sealing ball (12) is greater than the diameter of the through hole on the lifting plate (9).

5. The coal mine water disaster prevention device according to claim 2, characterized in that: The vibrating assembly includes a guide plate (13), and two guide plates (13) are arranged at 180° on the lower connecting plate (4). A tamping rod (14) is slidably installed on the guide plate (13), and a baffle (16) is arranged on the tamping rod (14). A second spring (15) is coaxially arranged with the tamping rod (14) between the guide plate (13) and the baffle (16). Under the action of the driving assembly, the two tamping rods (14) reciprocally slide to vibrate the soil, thereby helping to discharge the gas in the hole.

6. The coal mine water disaster prevention device according to claim 5, characterized in that: The driving assembly comprises a stop lever (17) and a rotating drum (18), the rotating drum (18) is rotatably installed outside the sealing cylinder (6), the rotating drum (18) is coaxially arranged with the sealing cylinder (6), a plurality of heterogeneous guide grooves are arranged on the rotating drum (18), each guide groove comprises a vertical part, a horizontal part and an inclined part, the stop lever (17) is fixedly connected with the vibrating rod (14), the stop lever (17) is in contact with the upper surface of the rotating drum (18), and the rotating drum (18) rotatably drives the vibrating rod (14) to reciprocatingly slide on the guide plate (13).

7. The coal mine water disaster prevention device according to claim 6, characterized in that: The sealing cylinder (6) is provided with a motor base (21), the driving motor (20) is fixedly installed on the motor base (21), the output shaft of the driving motor (20) is fixedly installed with a driving wheel (19), the driving wheel (19) is connected with the rotating drum (18) through friction or gear connection, and the driving wheel (19) is used for driving the rotating drum (18) to rotate.