Movable explosion-proof shed for surface mine

Abstract

The movable explosion-proof shed for the surface mine comprises a truss base and an explosion-proof shed body, first idler wheels are installed at the four corners of the bottom of the truss base through spring dampers, an annular base is fixed to the top of the truss base, the bottom of the explosion-proof shed body is open, and the bottom of the explosion-proof shed body is open. The explosion-proof shed body is rotationally connected with the interior of the annular base in a sleeved mode, a fixing base is fixed to the side edge of the truss base through a traction frame, a sliding block is installed in the fixing base through a lifting mechanism, the lifting mechanism is used for driving the sliding block to ascend and descend, and the sliding block is rotationally connected with an inner threaded sleeve in a sleeved mode. The device is convenient to disassemble and assemble, does not need to be hoisted by a steel wire rope, is safe to move and is not easy to damage; and observation in the explosion-proof shed body through the observation window is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to rock blasting technical field especially relates to a movable blast shelter of open -pit mine. BACKGROUND

[0002] In recent years, more and more large mines continue to exploit, and large open -pit mine has the high slope around the blasting area, and there is loose rock mass on the slope, and the blasting vibration can easily make the dangerous rock and loose rock on the high slope fall off the slope, and the blasting flying object scatters far, and the blasting operator is not guaranteed safety in the surrounding of blast area, so the existing open -pit mine blasting initiation personnel are all initiated in the blast shelter to guarantee the safety of oneself. But the blast shelter has the characteristics such as being heavy and being unable to move, and the blast shelter is moved with the change of blasting area by the help of the reclaimer, and this mode has the following problems: (1) the blast shelter is easily damaged; (2) the blast shelter easily blocks the view of the loader driver, and the safety risk is big; (3) does not satisfy the open -pit mine safety production standardization acceptance standard. To solve the above -mentioned problems, we propose a movable blast shelter of open -pit mine. SUMMARY

[0003] The utility model discloses a movable blast shelter of open -pit mine to solve the shortcomings in the prior art.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] A movable blast shelter of open -pit mine, including truss base and blast shelter body, the bottom four corners of truss base are all installed with first gyro wheel through spring damper, the top of truss base is fixed with annular seat, the bottom of blast shelter body is open, the blast shelter body rotationally sleeved in the inside of annular seat, the side of truss base is fixed with fixed seat through traction frame, the fixed seat is installed with sliding block through lifting mechanism, the lifting mechanism is used for driving sliding block to lift, the sliding block is rotationally sleeved with internal thread sleeve.

[0006] Preferably, the first gyro wheel is a brake trolley wheel.

[0007] Preferably, the side of blast shelter body is provided with observation window, the observation window is fixed with toughened glass, and the side of blast shelter body is provided with door plate.

[0008] Preferably, the bottom edge of blast shelter body is provided with a plurality of second gyro wheels arranged in a circumferential array, the inside of annular seat is provided with annular groove, and the second gyro wheel is rollingly installed in the annular groove.

[0009] Preferably, the side of the explosion-proof shed body is sleeved with a first lead screw through threads, one end of the first lead screw is fixed with a first hand wheel, the other end of the first lead screw is rotatably sleeved with a clamping block, and the clamping block abuts against the inner wall of the annular seat.

[0010] Preferably, the lifting mechanism comprises a second lead screw, a sliding rod and a second hand wheel, the second lead screw is rotatably installed in the fixed seat, one end of the second lead screw is fixed with the second hand wheel, the second lead screw is sleeved in the sliding block through threads, the sliding block is slidably sleeved with the sliding rod, and the sliding rod is fixed in the fixed seat.

[0011] Compared with the prior art, the explosion-proof shed has the advantages that:

[0012] 1、The inner thread sleeve is used for connection with a pickup truck or a loader, the pickup truck or the loader is provided with a screw rod matched with the inner thread sleeve, the height of the inner thread sleeve is adjusted by lifting the sliding block through the lifting mechanism, the inner thread sleeve is rotatably sleeved on the screw rod during connection, the overall rigid connection with the pickup truck or the loader is realized, the pickup truck or the loader is convenient to disassemble and assemble, the steel wire rope is not needed for hoisting, the movement is safe and the damage is not easy to occur.

[0013] 2、The spring damper is helpful for buffering and damping, the first roller is convenient for moving the overall to a specified position, the explosion-proof shed body can rotate in the annular seat, the direction is convenient to adjust, observation through the observation window in the explosion-proof shed body is convenient, the explosion-proof shed body can be conveniently rotated in the annular groove through the second roller, the first hand wheel drives the first lead screw to rotate, the first lead screw drives the clamping block to abut against the inner wall of the annular seat through thread transmission with the explosion-proof shed body, and thus the explosion-proof shed body can be locked after the position of the explosion-proof shed body is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A structure schematic view of the movable explosion-proof shed for an open-pit mine is provided in the utility model;

[0015] Figure 2 A Figure 1 partial structure schematic view.

[0016] In the drawing: 1, truss base; 2, first roller; 3, traction frame; 4, fixed seat; 5, annular seat; 6, explosion-proof shed body; 7, tempered glass; 8, door plate; 9, first lead screw; 10, first hand wheel; 11, clamping block; 12, second roller; 13, spring damper; 14, second lead screw; 15, sliding block; 16, sliding rod; 17, second hand wheel; 18, inner thread sleeve. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments.

[0018] With reference to Figures 1-2 A movable explosion-proof shed for open-pit mine comprises a truss base 1 and an explosion-proof shed body 6, the bottom corners of the truss base 1 are each provided with a first roller 3 through a spring damper 13, the spring damper 13 helps to buffer and reduce shock, the first roller 3 facilitates the whole to move to a designated position, the first roller 3 is a brake trolley wheel, the top of the truss base 1 is fixed with a ring-shaped seat 5, the bottom of the explosion-proof shed body 6 is open, the explosion-proof shed body 6 is rotatably sleeved in the inside of the ring-shaped seat 5, the side of the explosion-proof shed body 6 is provided with an observation window, the observation window is fixed with tempered glass 7, the side of the explosion-proof shed body 6 is provided with a door plate 8, the explosion-proof shed body 6 can rotate in the ring-shaped seat 5, which is convenient for adjusting the orientation and observing in the explosion-proof shed body 6 through the observation window, the side of the truss base 1 is fixed with a fixed seat 4 through a traction frame 3, the fixed seat 4 is provided with a sliding block 15 through a lifting mechanism, the lifting mechanism is used for driving the sliding block 15 to lift, the sliding block 15 is rotatably sleeved with an internal thread sleeve 18, the internal thread sleeve 18 is used for connecting with a pickup truck or a loader, the pickup truck or the loader is provided with a screw rod matched with the internal thread sleeve 18, the lifting mechanism drives the sliding block 15 to lift to adjust the height of the internal thread sleeve 18, when connected, the internal thread sleeve 18 is rotatably sleeved on the screw rod, so that the whole can be rigidly connected with the pickup truck or the loader, which is convenient to disassemble and assemble, does not need to be hoisted by a steel wire rope and is safe to move and not easy to be damaged.

[0019] With reference to Figure 2 The bottom edge of the explosion-proof shed body 6 is provided with a plurality of second rollers 12 arranged in a circumferential array, the inside of the ring-shaped seat 5 is provided with a ring-shaped groove, the second rollers 12 are rotatably installed in the ring-shaped groove, through the second rollers 12, the explosion-proof shed body 6 can rotate in the ring-shaped groove.

[0020] With reference to Figure 2 The side of the explosion-proof shed body 6 is rotatably sleeved with a first lead screw 9, one end of the first lead screw 9 is fixed with a first hand wheel 10, the other end of the first lead screw 9 is rotatably sleeved with a clamping block 11, the clamping block 11 abuts against the inner wall of the ring-shaped seat 5, the first lead screw 9 is driven to rotate through the first hand wheel 10, the first lead screw 9 drives the clamping block 11 to abut against the inner wall of the ring-shaped seat 5 through the threaded transmission with the explosion-proof shed body 6, so that the explosion-proof shed body 6 can be locked after being adjusted to a position.

[0021] With reference to Figure 2The lifting mechanism comprises a second screw rod 14, a sliding rod 16 and a second hand wheel 17, the second screw rod 14 is rotatably arranged in the fixed seat 4, one end of the second screw rod 14 is fixed with the second hand wheel 17, the second screw rod 14 is sleeved in the sliding block 15 through a threaded sleeve, the sliding rod 16 is sleeved on the sliding block 15 in a sliding mode, the sliding rod 16 is fixed in the fixed seat 4, the second screw rod 14 is driven to rotate by the second hand wheel 17, the second screw rod 14 drives the sliding block 15 to slide on the sliding rod 16 through threaded transmission between the second screw rod 14 and the sliding block 15, so that the height of the sliding block 15 is adjusted.

[0022] Working principle: when in use, the inner threaded sleeve 18 is used to be connected with a pickup truck or a loader, the pickup truck or the loader is provided with a screw rod matched with the inner threaded sleeve 18, the lifting mechanism drives the sliding block 15 to be lifted to adjust the height of the inner threaded sleeve 18, when connected, the inner threaded sleeve 18 is rotatably sleeved on the screw rod, so that the rigid connection of the whole with the pickup truck or the loader is realized, the pickup truck or the loader is convenient to disassemble and assemble, does not need to be lifted by a steel wire rope, is safe to move and is not easy to be damaged; the spring damper 13 helps to buffer and dampen, the first roller 3 facilitates the whole to be moved to a specified position; the explosion-proof shed body 6 can rotate in the annular seat 5, the direction is convenient to adjust, and it is convenient to observe in the explosion-proof shed body 6 through the observation window; the explosion-proof shed body 6 can rotate in the annular groove through the second roller 12; the first hand wheel 10 drives the first screw rod 9 to rotate, the first screw rod 9 drives the clamping block 11 to abut against the inner wall of the annular seat 5 through threaded transmission with the explosion-proof shed body 6, so that the explosion-proof shed body 6 can be locked after the position of the explosion-proof shed body 6 is adjusted.

[0023] The action principle of the lifting mechanism is that the second hand wheel 17 drives the second screw rod 14 to rotate, the second screw rod 14 drives the sliding block 15 to slide on the sliding rod 16 through threaded transmission between the second screw rod 14 and the sliding block 15, so that the height of the sliding block 15 is adjusted.

[0024] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A movable blast shelter for open-pit mines, comprising a truss base (1) and a blast shelter body (6), characterized in that, The bottom four corners of the truss base (1) are provided with first rollers (2) through spring dampers (13), the top of the truss base (1) is fixed with an annular seat (5), the bottom of the explosion-proof shed body (6) is open, the explosion-proof shed body (6) is rotatably sleeved in the annular seat (5), the side of the truss base (1) is fixed with a fixed seat (4) through a traction frame (3), a sliding block (15) is installed in the fixed seat (4) through a lifting mechanism, the lifting mechanism is used for driving the sliding block (15) to lift, and an internally threaded sleeve (18) is rotatably sleeved on the sliding block (15).

2. A mobile blast shelter for an open pit mine according to claim 1, characterised in that, The first roller (2) is a brake caster.

3. A mobile blast shelter for an open pit mine according to claim 1, characterized in that, The side of the explosion-proof shed body (6) is provided with an observation window, the observation window is fixed with tempered glass (7), and the side of the explosion-proof shed body (6) is provided with a door plate (8).

4. A moveable blast shelter for an open pit mine according to claim 1, characterised in that, The bottom edge of the explosion-proof shed body (6) is provided with a plurality of second rollers (12) arranged in a circumferential array, a annular groove is formed in the inside of the annular seat (5), and the second rollers (12) are rotatably installed in the annular groove.

5. A moveable blast shelter for an open pit mine according to claim 1, characterised in that, The side of the explosion-proof shed body (6) is rotatably sleeved with a first lead screw (9), one end of the first lead screw (9) is fixed with a first hand wheel (10), the other end of the first lead screw (9) is rotatably sleeved with a clamping block (11), and the clamping block (11) abuts against the inner wall of the annular seat (5).

6. A moveable blast shelter for an open pit mine according to claim 1, characterized in that, The lifting mechanism comprises a second lead screw (14), a sliding rod (16) and a second hand wheel (17), the second lead screw (14) is rotatably installed in the fixed seat (4), one end of the second lead screw (14) is fixed with the second hand wheel (17), the second lead screw (14) is rotatably sleeved in the sliding block (15), the sliding block (15) is slidably sleeved with the sliding rod (16), and the sliding rod (16) is fixed in the fixed seat (4).

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