Mining self-recovery vertical shaft explosion door

Abstract

The utility model discloses a mining self-recovery vertical shaft explosion-proof door in the technical field of explosion-proof doors, which comprises an explosion-proof door body buckled at the upper end of a vertical shaft, and further comprises lifting mechanisms and a guide mechanism, the lifting mechanisms and the guide mechanism are arranged on the ground, the lifting mechanisms are arranged on two transverse sides of the explosion-proof door body, and the guide mechanism is arranged on the upper end of the vertical shaft. The guide mechanisms are arranged on the two longitudinal sides of the explosion door body. The anti-explosion door has the advantages that the anti-explosion door body can be actively controlled to ascend and descend through the lifting mechanism, the anti-explosion door body can stably ascend and descend in the vertical direction through the guide mechanism, deviation of the anti-explosion door body during ascending and descending is effectively avoided, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explosion door, concretely refers to the mine self-repairing vertical shaft explosion door. BACKGROUND

[0002] The working principle of the mine self-repairing vertical shaft explosion door is based on pressure difference and gravity. Under normal circumstances, the explosion door is in a closed state. When an explosion occurs in a mine or a chemical plant, an explosion wave will generate a large pressure difference, causing the explosion door to open rapidly and release the explosion impact.

[0003] In the prior art, the explosion door mainly adopts fixed steel baffle and spring-driven flap cover, wherein the fixed steel baffle has simple and reliable structure, low cost and is easy to maintain, but lacks flexibility and does not have self-repairing characteristics, and once damaged, the original barrier function is lost, and manual intervention is required to put it into use again. The spring-driven flap cover can achieve the goal of instantaneous sealing of the target area to a certain extent, but the spring is prone to fatigue and damage after long-term use, resulting in decreased reliability, and it is difficult to withstand the impact of a large-scale disaster site. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is that the existing explosion door is inconvenient to use and difficult to maintain, and has a long cycle.

[0005] To achieve the above-mentioned purpose, the technical scheme provided by the utility model is as follows:

[0006] The mine self-repairing vertical shaft explosion door comprises an explosion door body, a lifting mechanism and a guide mechanism, wherein the explosion door body is buckled on the upper end of the vertical shaft, the lifting mechanism and the guide mechanism are both arranged on the ground, the lifting mechanism is arranged on the transverse two sides of the explosion door body, and the guide mechanism is arranged on the longitudinal two sides of the explosion door body.

[0007] The lifting mechanism comprises a motor, a steel wire rope and a pulley assembly, the motor is fixedly connected to the ground and used to drive the steel wire rope to pull the explosion door body upward after passing through the pulley assembly;

[0008] The guide mechanism comprises a sliding rod and a lifting frame, the lifting frame is slidingly connected to the sliding rod, a connecting plate is fixedly connected to the upper end of the explosion door body, and the connecting plate is inserted into the lifting frames on the two sides of the explosion door body.

[0009] Further, a first mounting bracket is fixedly connected to the ground, a first connecting shaft is fixedly connected to the output end of the motor, the first connecting shaft is rotatably connected to the first mounting bracket, and one end of the steel wire rope is fixedly connected to the first connecting shaft.

[0010] Further, the pulley assembly comprises a support rod, a first pulley and a second pulley, the support rod is fixed on the ground, the support rod is fixed with a mounting shell penetratingly arranged at two ends at the upper end, a plurality of second connecting shafts are fixed in the mounting shell, a plurality of first pulleys are rotatably arranged in the mounting shell through the second connecting shafts, the explosion door body is fixed with a second mounting frame at the upper end, the second mounting frame is fixed with a third connecting shaft, the second pulley is rotatably connected to the second mounting frame through the third connecting shaft, and the other end of the steel wire rope is sequentially fixed to the lower end of the mounting shell after penetrating through the upper end of the first pulley and the lower end of the second pulley.

[0011] Further, the ground is fixed with a support seat, and the slide rods are symmetrically fixed on the upper end of the support seat.

[0012] Further, the upper end of the slide rod on the two sides of the explosion door body is fixed with a reinforcing cross plate.

[0013] Further, the lifting frame is provided with a horizontally arranged insertion hole, the two ends of the connecting plate are inserted into the insertion hole, and the lifting frame is fixed to the insertion hole through bolts.

[0014] Further, the slide rod is sleeved with a spring, and the spring is fixed between the lifting frame and the support seat.

[0015] The beneficial effects of the utility model are as follows:

[0016] The lifting mechanism can actively control the lifting of the explosion door body, the guide mechanism can stably lift the explosion door body in the vertical direction, the deviation of the explosion door body during lifting is effectively avoided, and the utility model has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the utility model.

[0018] Figure 2 It is a front view of the utility model.

[0019] Figure 3 It is a side view of the utility model.

[0020] Figure 4 It is a lifting mechanism schematic view of the utility model.

[0021] Figure 5 It is a guide mechanism schematic view of the utility model.

[0022] Figure 6 It is an explosion door body schematic view of the utility model.

[0023] BRIEF DESCRIPTION OF DRAWINGS:

[0024] 1. Ground, 2. Shaft, 3. Explosion-proof door body, 301. Connecting plate, 4. Lifting mechanism, 401. First mounting bracket, 402. Motor, 403. First connecting shaft, 404. Steel wire rope, 405. First pulley, 406. Second pulley, 407. Second mounting bracket, 408. Third connecting shaft, 409. Support rod, 410. Mounting shell, 411. Second connecting shaft, 5. Guide mechanism, 501. Support base, 502. Slide rod, 503. Lifting frame, 504. Insertion hole, 505. Bolt, 506. Spring, 507. Reinforcing horizontal plate. Detailed Implementation

[0025] like Figures 1-6 As shown, a mine self-resetting vertical shaft explosion-proof door includes an explosion-proof door body 3, which is fastened to the upper end of the vertical shaft 2. It also includes a lifting mechanism 4 and a guiding mechanism 5, which are both located on the ground 1. The lifting mechanism 4 is located on both sides of the explosion-proof door body 3 in the horizontal direction, and the guiding mechanism 5 is located on both sides of the explosion-proof door body 3 in the vertical direction.

[0026] The lifting mechanism 4 includes a motor 402, a wire rope 404, and a pulley assembly. The motor 402 is fixed to the ground 1 and drives the wire rope 404 through the pulley assembly to pull the explosion-proof door body 3 upward. A first mounting bracket 401 is fixed to the ground 1. A first connecting shaft 403 is fixed to the output end of the motor 402. The first connecting shaft 403 is rotatably connected to the first mounting bracket 401. One end of the wire rope 404 is fixed to the first connecting shaft 403. The pulley assembly includes a support rod 409, a first pulley 405, and a second pulley 406. The support rod 409 is fixed to the ground 1. A mounting shell 410 with both ends through is fixed to the upper end of the support rod 409. Several second connecting shafts 411 are fixed inside the mounting shell 410. Several first pulleys 405 pass through the second connecting shaft 406. The connecting shaft 411 is rotatably mounted inside the mounting housing 410. A second mounting bracket 407 is fixedly connected to the upper end of the explosion-proof door body 3. A third connecting shaft 408 is fixedly connected to the second mounting bracket 407. The second pulley 406 is rotatably connected to the second mounting bracket 407 through the third connecting shaft 408. The other end of the steel wire rope 404 passes through the upper end of the first pulley 405 and the lower end of the second pulley 406 in sequence and is fixedly connected to the lower end of the mounting housing 410. The first connecting shaft 403 is driven by the motor 402 to wind up the steel wire rope 404, thereby causing the steel wire rope 404 to slide along the first pulley 405 and the second pulley 406, thereby pulling the first pulley 405 to lift, thus lifting the explosion-proof door body 3. The tension on the steel wire rope 404 on the first connecting shaft 403 is half of the tension on the explosion-proof door body 3 by the second mounting bracket 407.

[0027] The guide mechanism 5 comprises a slide rod 502 and a lifting frame 503, the lifting frame 503 is slidably connected to the slide rod 502, a support base 501 is fixedly connected to the ground 1, the slide rod 502 is symmetrically fixedly connected to the upper end of the support base 501, the upper end of the slide rod 502 on the two sides of the explosion door body 3 is fixedly connected with a reinforcing cross plate 507, thereby improving the stability of the slide rod 502, the upper end of the explosion door body 3 is fixedly connected with a connecting plate 301, the connecting plate 301 is inserted into the lifting frame 503 on the two sides of the explosion door body 3, the lifting frame 503 is provided with a horizontal insertion hole 504, the connecting plate 301 is inserted into the insertion hole 504, the lifting frame 503 is fixed to the insertion hole 504 through the bolt 505, the spring 506 is sleeved on the slide rod 502, the spring 506 is fixedly connected between the lifting frame 503 and the support base 501, and the spring 506 is used for assisting in supporting the explosion door body 3 by counteracting the weight of the explosion door body 3, thereby reducing the force when the explosion door 3 is separated from the vertical shaft 2 upward, and the explosion door body 3 can be pulled back to fall after being lifted in the vertical direction, and the explosion door body 3 is kept vertically lifted by sliding the lifting frame 503 on the slide rod 502 through the connecting plate 301 when the explosion door body 3 is lifted.

[0028] When the explosion door body 3 needs to be actively lifted in use, the first connecting shaft 403 is driven to rotate by the output end of the motor 402, and then one end of the steel wire rope 404 is wound on the first connecting shaft 403, the steel wire rope 404 slides along the first pulley 405 and the second pulley 406, and then the second pulley 406 is pulled to move upward, and then the explosion door body 3 is pulled upward by the second mounting frame 407.

[0029] When the explosion door body 3 is lifted, the connecting plate 301 fixedly connected to the upper end of the explosion door body 3 is fixedly connected with the lifting frame 503, and the lifting frame 503 slides on the slide rod 502 in the vertical direction.

[0030] The above describes the utility model and its implementation, which is not limited, and the drawings only show one of the embodiments of the utility model, and the actual structure is not limited. In summary, if a person skilled in the art is inspired, without departing from the purpose of the utility model, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the utility model.

Claims

1. A mine self-resetting vertical shaft explosion door, comprising an explosion door body (3), the explosion door body (3) is buckled on the upper end of a vertical shaft (2), characterized in that: It also includes lifting mechanism (4) and guide mechanism (5), the lifting mechanism (4) and guide mechanism (5) are all arranged on the ground (1), the lifting mechanism (4) is arranged on the transverse both sides of the explosion door body (3), the guide mechanism (5) is arranged on the longitudinal both sides of the explosion door body (3); The lifting mechanism (4) includes motor (402), steel wire rope (404) and pulley assembly, the motor (402) is fixedly connected on the ground (1) for driving the steel wire rope (404) to pull the explosion door body (3) upward after passing through the pulley assembly; The guide mechanism (5) includes slide rod (502) and lifting frame (503), the lifting frame (503) is slidably connected on the slide rod (502), the explosion door body (3) upper end is fixedly connected with connecting plate (301), the connecting plate (301) both ends are inserted into the lifting frame (503) on both sides of the explosion door body (3).

2. The mine self-retracting mine shaft explosion door of claim 1, wherein: The ground (1) is fixedly connected with first mounting bracket (401), the motor (402) output end is fixedly connected with first connecting shaft (403), the first connecting shaft (403) is rotatably connected in the first mounting bracket (401), one end of the steel wire rope (404) is fixedly connected with the first connecting shaft (403).

3. The mine self-retracting vertical shaft explosion door of claim 2, wherein: The pulley assembly includes support rod (409), first pulley (405) and second pulley (406), the support rod (409) is fixedly connected on the ground (1), the support rod (409) upper end is fixedly connected with two ends of the installation shell (410) through the installation shell (410), a plurality of second connecting shafts (411) are fixedly connected in the installation shell (410), a plurality of first pulleys (405) are rotatably arranged in the installation shell (410) through the second connecting shaft (411), the explosion door body (3) upper end is fixedly connected with second mounting bracket (407), the second mounting bracket (407) is fixedly connected with third connecting shaft (408), the second pulley (406) is rotatably connected on the second mounting bracket (407) through the third connecting shaft (408), the other end of the steel wire rope (404) is fixedly connected to the lower end of the installation shell (410) after sequentially passing through the upper end of the first pulley (405) and the lower end of the second pulley (406).

4. The mine self-retracting mine shaft explosion door of claim 1, wherein: The ground (1) is fixedly connected with support seat (501), the slide rod (502) is symmetrically fixedly connected on the upper end of the support seat (501).

5. The mine self-retracting mine shaft explosion door of claim 4, wherein: The slide rod (502) upper end on both sides of the explosion door body (3) is fixedly connected with reinforcing cross plate (507).

6. The mine self-retracting mine shaft explosion door of claim 5, wherein: The lifting frame (503) is provided with horizontally arranged insertion hole (504), the both ends of the connecting plate (301) are inserted into the insertion hole (504), and the both ends of the connecting plate (301) are fixed in the insertion hole (504) through the bolt (505).

7. The mine self-retracting vertical shaft explosion door according to claim 6, characterized in that: The spring (506) is sleeved on the slide rod (502), and the spring (506) is fixedly connected between the lifting frame (503) and the support seat (501).

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