Protective device

Abstract

The utility model relates to the technical field of engineering blasting, in particular to a protective device. The explosion-proof door comprises an explosion-proof safety chamber, an explosion-proof door and a bottom plate, a heavy door opening and closing mechanism is assembled between the explosion-proof safety chamber and the explosion-proof door, an observation mechanism is assembled in one end of the explosion-proof safety chamber, and the heavy door opening and closing mechanism comprises a connecting seat, a rotating shaft, a door handle, a rotating wheel, a labor-saving handle, a connecting strip, a telescopic rod, a sliding base and a matching seat. Through the structural design of the heavy door opening and closing mechanism, the labor-saving handle is held by hand to drive the rotating wheel, so that the telescopic rod slides in the matching seat, and opening and closing limiting between the anti-explosion safety chamber and the anti-explosion door is achieved; and through the structural design of the observation mechanism, the specific situation of engineering blasting is conveniently observed through a transparent window, and the transparent window is protected during blasting through sliding of a protection plate in the anti-explosion safety chamber.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering blasting, in particular to a protective device. Background Art

[0002] Engineering blasting protection is an important part of ensuring the safety of blasting projects. When blasting operations are carried out, the huge energy generated by the explosion of explosives may pose a potential threat to the surrounding environment, facilities and personnel. Therefore, it is crucial to take effective protective measures. These measures include but are not limited to: conducting a detailed survey of the site and formulating a reasonable blasting plan; selecting stable and reliable blasting equipment and placing it correctly; setting up obvious safety warning signs at the work site to ensure that personnel understand the dangerous area and avoid approaching it; equipping operators with qualified personal protective equipment to reduce the risk of accidental injury; protecting the environment and taking measures to reduce the impact on the surrounding environment. In summary, engineering blasting protection is the key to ensuring the safety of personnel and protecting the surrounding environment and facilities from damage.

[0003] For example, patent CN210773727U discloses a flying rock protection shed for blasting engineering, which belongs to the technical field of blasting engineering. The key points of its technical solution are that it includes a base, four columns, a top plate, four slide bars and four groups of protection components. The base and the top plate are both in the shape of a "rectangular parallelepiped", and the areas of the two ends are equal. The top plate is located directly above the base and the two are parallel to each other. The two ends of the four columns are fixedly connected to the four corners of the base and the top plate, respectively. The upper end surface of the base is provided with four bottom grooves, each of which is located between two adjacent columns and is parallel to the side of the base. The columns are in the shape of a "square" column, and a slide groove is vertically provided on the opposite surface of each two adjacent columns, and a card groove is provided on one side of the upper end of the slide groove. This flying rock protection shed for blasting engineering has a good protection effect, can block flying rocks from all directions, and when the position of the blasting changes, the protection direction can be changed accordingly and conveniently and flexibly.

[0004] When using the above technology, it was found that the following technical problems exist in the prior art: the existing protective shed needs to be assembled on site, which is inconvenient to use, and the existing protective shed is not equipped with an observation port, which is not convenient for timely and accurate grasp of the blasting. For this reason, we designed a protective device to provide another technical solution to the above technical problems. Utility Model Content

[0005] Based on this, it is necessary to provide a protective device to solve the technical problems of easy use and easy observation in response to the above technical problems.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A protective device, comprising an explosion-proof safety room, an explosion-proof door and a bottom plate, wherein one side of one end of the explosion-proof safety room is equipped with the explosion-proof door, the bottom of the explosion-proof safety room is equipped with the bottom plate, a heavy door opening and closing mechanism is installed between the explosion-proof safety room and the explosion-proof door, and an observation mechanism is installed inside one end of the explosion-proof safety room;

[0008] The heavy-duty door opening and closing mechanism includes a connecting seat, a rotating shaft, a door handle, a rotating wheel, a labor-saving handle, a connecting strip, a telescopic rod, a sliding base and a matching seat. Two connecting seats are fixed on one side of one end of the explosion-proof safety room, the connecting seat is internally rotatably connected with a rotating shaft, the rotating shaft is rotatably connected to the explosion-proof door, a door handle is fixed to one end of one side of the explosion-proof door, one side of the explosion-proof door is rotatably connected with a rotating wheel, a plurality of labor-saving handles are evenly distributed and fixed on the outside of the rotating wheel, one side of the rotating wheel is rotatably connected to two connecting strips through pins, one end of the connecting strip is internally rotatably connected to a telescopic rod through a pin, the outside of the telescopic rod is slidably connected to two sliding bases, the plurality of sliding bases and the explosion-proof door are fixed, one end of the telescopic rod is externally slidably connected to a matching seat, and the two matching seats and the explosion-proof safety room are fixed.

[0009] Preferably, the observation mechanism includes a motor, a gear, a rack, a protective plate and a transparent window. A motor is fixed inside one end of the explosion-proof safety chamber, a gear is fixed to the power output end of the motor, a rack is meshed and connected to the outside of the gear, a protective plate is fixed to the bottom of the rack, the protective plate and the explosion-proof safety chamber are slidably connected, and a transparent window is fixed inside the explosion-proof safety chamber.

[0010] Preferably, the four end corners of the bottom plate are all threadedly connected with mounting screws, a rotating bar is fixed to the top of the mounting screw, and a rotating handle is fixed to one end of the top of the rotating bar.

[0011] Preferably, the four end corners at the top of the explosion-proof door are all threadedly connected with lifting rings.

[0012] Preferably, a table top is fixed at one end of the interior of the explosion-proof safety room and below the transparent window, a reinforcing plate is fixed to the bottom of the table top, and the reinforcing plate is fixed to the explosion-proof safety room.

[0013] Preferably, seat plates are fixed on both sides of the interior of the explosion-proof safety room, support legs are fixed on both ends of the bottom of the seat plates, and a plurality of the support legs are fixed to the explosion-proof safety room.

[0014] Preferably, a lighting switch is fixed to one side of one end of the interior of the explosion-proof safety room, and a lighting lamp is fixed to the inner top of the explosion-proof safety room.

[0015] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0016] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

[0017] 1. The utility model adopts the structural design of the heavy-duty door opening and closing mechanism, so that the device can drive the rotating wheel by holding the labor-saving handle to realize the sliding of the telescopic rod inside the matching seat to realize the opening and closing limit between the explosion-proof safety room and the explosion-proof door, thereby improving the safety of the protective device.

[0018] 2. The utility model uses the structural design of the observation mechanism to facilitate observation of the specific conditions of the engineering blasting through the transparent window, and protects the transparent window during blasting by sliding the protective plate inside the explosion-proof safety room, thereby improving the practicality of the protective device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the cross-sectional connection structure of the connection seat of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional connection structure of the explosion-proof safety room of the utility model;

[0023] Figure 4 It is a schematic diagram of the longitudinal section connection structure of the explosion-proof safety room of the utility model;

[0024] Figure 5 This is a schematic diagram of the connection structure between the explosion-proof safety chamber and the base plate of the utility model.

[0025] In the figure: 1. explosion-proof safety room; 2. explosion-proof door; 3. bottom plate; 4. connecting seat; 5. rotating shaft; 6. door handle; 7. rotating wheel; 8. labor-saving handle; 9. connecting strip; 10. telescopic rod; 11. sliding base; 12. matching seat; 13. motor; 14. gear; 15. rack; 16. protective plate; 17. transparent window; 18. installation and fixing screw; 19. rotating strip; 20. rotating handle; 21. lifting ring; 22. lighting; 23. table board; 24. reinforcement plate; 25. seat board; 26. supporting leg; 27. lighting switch. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] Embodiment 1

[0031] Reference Figure 1 - Figure 5 A protective device comprises an explosion-proof safety room 1, an explosion-proof door 2 and a bottom plate 3, wherein the explosion-proof door 2 is mounted on one side of one end of the explosion-proof safety room 1, the bottom plate 3 is mounted on the bottom of the explosion-proof safety room 1, a heavy-duty door opening and closing mechanism is mounted between the explosion-proof safety room 1 and the explosion-proof door 2, and an observation mechanism is mounted inside one end of the explosion-proof safety room 1;

[0032] The heavy-duty door opening and closing mechanism comprises a connecting seat 4, a rotating shaft 5, a door handle 6, a rotating wheel 7, a labor-saving handle 8, a connecting strip 9, a telescopic rod 10, a sliding base 11 and a matching seat 12. Two connecting seats 4 are fixed on one side of one end of the explosion-proof safety room 1. The connecting seat 4 is internally rotatably connected with a rotating shaft 5. The rotating shaft 5 is rotatably connected to the explosion-proof door 2. A door handle 6 is fixed to one end of one side of the explosion-proof door 2. A rotating wheel 7 is rotatably connected to one side of the explosion-proof door 2. A plurality of labor-saving handles 8 are evenly distributed and fixed on the outside of the rotating wheel 7. One side of the rotating wheel 7 is rotatably connected to two connecting strips 9 through pins. A telescopic rod 10 is rotatably connected to the inside of one end of the connecting strip 9 through a pin. The outside of the telescopic rod 10 is slidably connected to two sliding bases 11. The plurality of sliding bases 11 and the explosion-proof door 2 are uniformly connected. The two matching seats 12 and the explosion-proof safety room 1 are fixed, and one end of the telescopic rod 10 is externally slidably connected with a matching seat 12, and the two matching seats 12 and the explosion-proof safety room 1 are fixed; when the explosion-proof door is to be opened and closed, the door handle 6 is held and pulled, and the door handle 6 drives the explosion-proof door 2 to rotate around the rotating shaft 5 inside the connecting seat 4, so that the explosion-proof door 2 is opened, and the staff enters the explosion-proof safety room 1, holds the labor-saving handle 8 and rotates it, and the labor-saving handle 8 drives the rotating wheel 7 to rotate, and the rotating wheel 7 drives the two connecting strips 9 on one side to move, and the connecting strip 9 drives the telescopic rod 10 to slide inside the sliding base 11, and when one end of the telescopic rod 10 slides into the matching seat 12, the position between the explosion-proof safety room 1 and the explosion-proof door 2 can be limited, so that the explosion-proof safety room 1 and the explosion-proof door 2 are closed;

[0033] The four end corners of the bottom plate 3 are all threadedly connected with mounting screws 18, and a rotating bar 19 is fixed on the top of the mounting screw 18, and a rotating handle 20 is fixed on the top end of the rotating bar 19; the four end corners of the top of the explosion-proof safety room 1 are all threadedly connected with lifting rings 21; the provision of the lifting ring 21 facilitates the convenient movement of the protective device, and the provision of the mounting screw 18, the rotating bar 19 and the rotating handle 20 facilitates the temporary fixation of the protective device; the protective device is hoisted to the designated area by the lifting ring 21 through the lifting device, and the side with the transparent window 17 faces the engineering blasting site for convenient observation, and then the rotating handle 20 is rotated, the rotating handle 20 drives the rotating bar 19, and the rotating bar 19 drives the mounting screw 18 to rotate inside the bottom plate 3, and then the mounting screw 18 is rotated into the soil, so that the protective device can be fixed to achieve the purpose of stability;

[0034] A table board 23 is fixed at one end of the interior of the explosion-proof safety room 1 and below the transparent window 17, and a reinforcing plate 24 is fixed at the bottom of the table board 23, and the reinforcing plate 24 is fixed to the explosion-proof safety room 1; seat boards 25 are fixed on both sides of the interior of the explosion-proof safety room 1, and supporting legs 26 are fixed at both ends of the bottom of the seat board 25, and multiple supporting legs 26 are fixed to the explosion-proof safety room 1; the setting of the table board 23 allows the staff to place some work supplies, and the reinforcing plate 24 plays a role in strengthening the strength of the table board 23, making the table board 23 strong and firm; the setting of the seat board 25 and the supporting legs 26 makes it convenient for the staff to sit down and take a simple rest, saving physical strength and facilitating work;

[0035] A lighting switch 27 is fixed on one side of one end of the explosion-proof safety room 1, and a lighting lamp 22 is fixed on the inner top of the explosion-proof safety room 1. The interior of the explosion-proof safety room 1 is illuminated by the setting of the lighting switch 27 and the lighting lamp 22, so as to avoid insufficient light in the explosion-proof safety room 1 affecting work.

[0036] Embodiment 2

[0037] Reference Figure 4 A protective device, the observation mechanism includes a motor 13, a gear 14, a rack 15, a protective plate 16 and a transparent window 17. The motor 13 is fixed inside one end of the explosion-proof safety room 1, the power output end of the motor 13 is fixed with a gear 14, the outside of the gear 14 is meshed with a rack 15, the bottom of the rack 15 is fixed with a protective plate 16, the protective plate 16 is slidably connected to the explosion-proof safety room 1, and a transparent window 17 is fixed inside the explosion-proof safety room 1; start the motor 13, the power output end of the motor 13 drives the gear 14 to rotate, due to the gear 1 4 is meshed and connected with the rack 15, the rack 15 and the protective plate 16 are fixed, and then the gear 14 drives the rack 15, and the rack 15 drives the protective plate 16 to slide inside the explosion-proof safety room 1, and the protective plate 16 is cut open from one side of the transparent window 17, so that the engineering blasting situation can be observed through the transparent window 17. After the observation is completed, the motor 13 is started to make the transparent protective plate 16 cover the bright window 17, and then the blasting is carried out. The protective plate 16 protects the transparent window 17 and also protects the staff inside the explosion-proof safety room 1.

[0038] The use process of a protective device provided by the utility model is as follows:

[0039] The protective device is hoisted to the designated area by using the hoisting ring 21 through the hoisting device, and the side with the transparent window 17 is facing the engineering blasting site for easy observation, and then the rotating handle 20 is rotated, and the rotating handle 20 drives the rotating bar 19, and the rotating bar 19 drives the installation fixing screw 18 to rotate inside the bottom plate 3, and then the installation fixing screw 18 is rotated into the soil, so that the protective device can be fixed to achieve the purpose of stability;

[0040] When the explosion-proof door is to be opened or closed, the door handle 6 is held and pulled, and the door handle 6 drives the explosion-proof door 2 to rotate around the rotating shaft 5 inside the connecting seat 4, so that the explosion-proof door 2 is opened. The staff enters the explosion-proof safety room 1, holds the labor-saving handle 8 and rotates it, and the labor-saving handle 8 drives the rotating wheel 7 to rotate, and the rotating wheel 7 drives the two connecting strips 9 on one side to move, and the connecting strip 9 drives the telescopic rod 10 to slide inside the sliding base 11. When one end of the telescopic rod 10 slides into the matching seat 12, the position between the explosion-proof safety room 1 and the explosion-proof door 2 can be limited, and the explosion-proof safety room 1 and the explosion-proof door 2 are closed;

[0041] Start the motor 13, the power output end of the motor 13 drives the gear 14 to rotate, because the gear 14 and the rack 15 are meshed and connected, the rack 15 and the protective plate 16 are fixed, and then the gear 14 drives the rack 15, and the rack 15 drives the protective plate 16 to slide inside the explosion-proof safety room 1, and the protective plate 16 slides from one side of the transparent window 17, so that the engineering blasting situation can be observed through the transparent window 17. When the observation is completed, start the motor 13, so that the transparent protective plate 16 blocks the bright window 17, and then blasting is carried out. The protective plate 16 protects the transparent window 17 and also protects the staff inside the explosion-proof safety room 1;

[0042] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A protective device, characterized in that: The explosion-proof safety room (1) comprises an explosion-proof door (2) and a bottom plate (3), wherein one side of one end of the explosion-proof safety room (1) is equipped with the explosion-proof door (2), the bottom of the explosion-proof safety room (1) is equipped with the bottom plate (3), a heavy-duty door opening and closing mechanism is installed between the explosion-proof safety room (1) and the explosion-proof door (2), and an observation mechanism is installed inside one end of the explosion-proof safety room (1); The heavy-duty door opening and closing mechanism comprises a connecting seat (4), a rotating shaft (5), a door handle (6), a rotating wheel (7), a labor-saving handle (8), a connecting strip (9), a telescopic rod (10), a sliding base (11) and a matching seat (12); two connecting seats (4) are fixed on one side of one end of the explosion-proof safety room (1); the connecting seat (4) is rotatably connected to a rotating shaft (5); the rotating shaft (5) and the explosion-proof door (2) are rotatably connected; a door handle (6) is fixed on one end of one side of the explosion-proof door (2); and the rotating wheel (7) is rotatably connected to one side of the explosion-proof door (2). ), a plurality of labor-saving handles (8) are evenly distributed and fixed on the outside of the rotating wheel (7), one side of the rotating wheel (7) is rotatably connected to two connecting bars (9) through a pin, one end of the connecting bar (9) is rotatably connected to a telescopic rod (10) through a pin, the outside of the telescopic rod (10) is slidably connected to two sliding bases (11), the plurality of sliding bases (11) and the explosion-proof door (2) are fixed, one end of the telescopic rod (10) is slidably connected to a matching seat (12), and the two matching seats (12) and the explosion-proof safety chamber (1) are fixed.

2. A protective device according to claim 1, characterized in that: The observation mechanism comprises a motor (13), a gear (14), a rack (15), a protective plate (16) and a transparent window (17); the motor (13) is fixed inside one end of the explosion-proof safety chamber (1); the gear (14) is fixed to the power output end of the motor (13); the rack (15) is meshedly connected to the outside of the gear (14); the protective plate (16) is fixed to the bottom of the rack (15); the protective plate (16) is slidably connected to the explosion-proof safety chamber (1); and the transparent window (17) is fixed inside the explosion-proof safety chamber (1).

3. A protective device according to claim 1, characterized in that: The four end corners of the bottom plate (3) are all threadedly connected with mounting screws (18), a rotating bar (19) is fixed on the top of the mounting screws (18), and a rotating handle (20) is fixed on one end of the top of the rotating bar (19).

4. A protective device according to claim 1, characterized in that: The four end corners at the top of the explosion-proof safety room (1) are all threadedly connected with lifting rings (21).

5. A protective device according to claim 1, characterized in that: A table top (23) is fixed at one end of the interior of the explosion-proof safety room (1) and below the transparent window (17); a reinforcing plate (24) is fixed at the bottom of the table top (23); and the reinforcing plate (24) is fixed to the explosion-proof safety room (1).

6. A protective device according to claim 1, characterized in that: Seat plates (25) are fixed on both sides of the explosion-proof safety room (1), and support legs (26) are fixed on both ends of the bottom of the seat plates (25), and a plurality of support legs (26) are fixed to the explosion-proof safety room (1).

7. A protective device according to claim 1, characterized in that: A lighting switch (27) is fixed to one side of one end of the explosion-proof safety room (1), and a lighting lamp (22) is fixed to the top of the inner side of the explosion-proof safety room (1).

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