Device for detecting opening and closing force of protective door of civil air defense project

Abstract

The utility model relates to the technical field of civil air defense engineering, and discloses a civil air defense engineering protective door opening and closing force detection device comprising a bottom plate, the right side of the top surface of the bottom plate is fixedly connected with an L-shaped plate, the top of the left side of the L-shaped plate is fixedly connected with a fixed column, and the rear side of the top surface of the bottom plate is provided with a protective door. A handle is fixedly connected to the right end of the front side of the protection door, a wire wheel is rotatably connected to the left side of the fixing column, a pull rope is arranged on the outer wall of the wire wheel, a hook block is fixedly connected to the left side of the pull rope, a connecting plate is fixedly connected to the bottom of the pull rope, and lifting ropes are fixedly connected to the four corners of the bottom of the connecting plate. According to the utility model, after the handle completely enters the hook block, the torsion spring enables the plate to reset to clamp the hand, the weight is placed in the hanging scaffold, the gravity is converted into the pulling force of the pull rope and the hook block through the wire wheel, and the counting weight can calculate the opening and closing force of the protection door, thereby being convenient for users to use and improving the detection accuracy and the equipment practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical engineering technical field especially relates to the detection device for the opening and closing force of civil air defence engineering protective door. BACKGROUND

[0002] With the continuous improvement of civil air defence engineering construction standard, the quality and performance requirement of protective door is also more and more strict, in order to ensure that the protective door can meet the use requirement in wartime and peacetime, need a kind of special, high-precision detection device to accurately measure the opening and closing force of protective door, so as to find problems in time and carry out adjustment and improvement, thereby improving the overall quality and safety of civil air defence engineering, and the opening and closing force of protective door is one of important indexes to measure its performance, and suitable opening and closing force is not only related to whether protective door can be quickly and smoothly opened and closed in emergency, but also affects the convenience and safety of daily use, if the opening and closing force is too large, it is difficult for the operator to open or close the protective door, delays personnel evacuation and material transportation, if the opening and closing force is too small, protective door cannot provide enough sealing pressure when closing, which affects the protective performance.

[0003] Precise opening and closing force measurement data provides accurate basis for engineering acceptance, which is convenient for relevant departments to effectively supervise and accept civil air defence engineering, and acceptance personnel can judge whether the protective door meets the design and specification requirements according to the measurement results, and timely propose rectification opinions for the situation that does not meet the requirements, to ensure the quality and safety of civil air defence engineering, civil air defence engineering construction has strict specifications and standards, and has clear requirements for the opening and closing force of protective door, and precise measurement of opening and closing force is an important link to ensure that civil air defence engineering quality meets the standard, only when the standard requirements are met, the protective door can reliably operate in various conditions, to ensure the overall protective ability of civil air defence engineering, it is difficult to determine the appropriate closing force, which will cause the protective door to fail to achieve the designed sealing degree when closing, and inaccurate opening and closing force measurement will cause the protective door to be subjected to abnormal stress during opening or closing, which will cause fatigue damage to the door body structure after long-term accumulation, reduce its impact resistance, and fail to maintain integrity when subjected to explosion impact, affecting the protective effect. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a detection device for the opening and closing force of protective door of civil air defence engineering, which aims at improving the problem that the opening and closing force of protective door cannot be accurately measured in the prior art, which will cause abnormal stress during opening or closing, and further reduce its impact resistance and affect the protective effect.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: the detection device for the opening and closing force of civil air defence engineering protective door, including the bottom plate, the top surface right side of bottom plate is fixedly connected with L type board, the left side top of L type board is fixedly connected with fixed column, the top surface rear side of bottom plate is provided with the protective door, the front side right end of protective door is fixedly connected with handle, the left side of fixed column is rotatably connected with wire wheel, the outer wall of wire wheel is provided with the pull rope, the left side of pull rope is fixedly connected with the hook block, the bottom of pull rope is fixedly connected with the connecting plate, the bottom of connecting plate four corner places is all fixedly connected with the lifting rope, the bottom of lifting rope is fixedly connected with the hanging disc, the left side of hook block is rotatably connected with the rotating column, the outer wall rear side of rotating column is fixedly connected with the rotating plate, the inner wall of rotating plate is fixedly connected with the torsional spring, the top surface front side of bottom plate is provided with alarm mechanism, and the alarm mechanism is used to send alarm to the protective door of opening and closing force.

[0006] As further description of the above technical scheme:

[0007] The alarm mechanism includes a hollow shell, the bottom of the hollow shell is fixedly connected with the top front side of the bottom plate, the outer wall left side of the hollow shell is fixedly connected with the siren, the inner wall bottom of the hollow shell is fixedly connected with a plurality of spring columns, the top of the spring column is fixedly connected with the sliding plate, the top of the sliding plate is provided with a plurality of weights, the inner wall top of the hollow shell is fixedly connected with the fixed plate on the left and right sides, and the bottom of the fixed plate is provided with a button.

[0008] As further description of the above technical scheme:

[0009] The right top front and rear ends of the L-shaped plate are threadedly connected with screws, and the outer wall of the screw is provided with a gasket.

[0010] As further description of the above technical scheme:

[0011] The top rear side of the bottom plate is fixedly connected with a fixed block, and the front side of the fixed block is rotatably connected with an outer frame.

[0012] As further description of the above technical scheme:

[0013] The front left end of the outer frame is fixedly connected with a rotating blade, and the middle part of the rotating blade is rotatably connected with a rotating shaft.

[0014] As further description of the above technical scheme:

[0015] The outer wall of the handle is fixedly connected with an anti-skid sleeve, and the left side of the wire wheel is fixedly connected with a fixed disc.

[0016] As further description of the above technical scheme:

[0017] The top surface front side of the bottom plate is provided with a plurality of lightening grooves, and the right side of the L-shaped plate is fixedly connected with an identification plate.

[0018] As a further description of the above technical solution:

[0019] The outer wall of the sliding plate is in sliding connection with the inner wall of the hollow shell, and the right side of the top surface of the bottom plate is threadedly connected with a screw.

[0020] The utility model has the advantages of the following:

[0021] 1. In the utility model, the handle contacts the rotating plate to generate a pushing force, the rotating plate rotates around the rotating column and presses the torsional spring, the handle is completely inserted into the hook block, the torsional spring restores the rotating plate, the handle is clamped, the heavy block is put into the hanging disc, the gravity is converted into the pulling force of the counter pull rope and the hook block through the wire wheel, the number of the heavy blocks is counted, the protection door opening and closing force can be calculated, the detection of the protection door opening and closing force is realized, the use of the user is facilitated, and the detection accuracy and the practicability of the equipment are improved.

[0022] 2. In the utility model, after the heavy block part is removed, the spring column pushes the sliding plate to ascend, the greater the protection door opening and closing force is, the more the heavy blocks are removed, and the more the sliding plate ascends, when the sliding plate contacts and presses the button, the button activates the alarm, an alarm is sent, the staff is prompted that the protection door opening and closing force is too large, the alarm of the detection is realized, and sufficient guarantee is provided for the detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model provides a protection door front side perspective drawing of detection device for protection door opening and closing force of civil air defense engineering;

[0024] Figure 2 The utility model provides a fixed block partial structure split drawing of detection device for protection door opening and closing force of civil air defense engineering;

[0025] Figure 3 The utility model provides a bottom plate partial structure drawing of detection device for protection door opening and closing force of civil air defense engineering;

[0026] Figure 4 The utility model provides a hook block partial structure display drawing of detection device for protection door opening and closing force of civil air defense engineering;

[0027] Figure 5 The utility model provides a hollow shell partial structure schematic view of detection device for protection door opening and closing force of civil air defense engineering.

[0028] LEGEND:

[0029] 1, bottom plate; 2, alarm mechanism; 201, hollow shell; 202, alarm; 203, spring column; 204, sliding plate; 205, weight; 206, fixed plate; 207, button; 3, L-shaped plate; 4, fixed column; 5, protective door; 6, handle; 7, line wheel; 8, pull rope; 9, connecting plate; 10, hanging rope; 11, hanging disc; 12, hook block; 13, rotating column; 14, rotating plate; 15, torsional spring; 16, fixed block; 17, outer frame; 18, rotating blade; 19, rotating shaft; 20, weight reduction groove; 21, screw; 22, gasket; 23, fixed disc; 24, identification plate; 25, anti-skid sleeve. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Please refer to the drawings in the embodiments of the utility model Figure 1 , the drawings in the embodiments of the utility model Figure 2 and the drawings in the embodiments of the utility model Figure 4 , one embodiment provided by the utility model: for the detection device of the opening and closing force of the protective door of civil air defense engineering, including bottom plate 1, the top surface right side of bottom plate 1 is fixedly connected with L-shaped plate 3, the left side top of L-shaped plate 3 is fixedly connected with fixed column 4, the top surface rear side of bottom plate 1 is provided with protective door 5, the front side right end of protective door 5 is fixedly connected with handle 6, the left side of fixed column 4 is rotatably connected with line wheel 7, the outer wall of line wheel 7 is provided with pull rope 8, the left side of pull rope 8 is fixedly connected with hook block 12, the bottom of pull rope 8 is fixedly connected with connecting plate 9, the bottom of connecting plate 9 four corner places are all fixedly connected with hanging rope 10, the bottom of hanging rope 10 is fixedly connected with hanging disc 11, the left side of hook block 12 is rotatably connected with rotating column 13, the outer wall rear side of rotating column 13 is fixedly connected with rotating plate 14, the inner wall of rotating plate 14 is fixedly connected with torsional spring 15, the top surface front side of bottom plate 1 is provided with alarm mechanism 2, alarm mechanism 2 is used for sending alarm to the protective door with high opening and closing force, the right side top of L-shaped plate 3 front and rear ends are all screw-connected with screw 21, the outer wall of screw 21 is provided with gasket 22;

[0032] Specifically, the bottom plate 1 is fixedly connected with the L-shaped plate 3, ensuring the stability of the structure, the L-shaped plate 3 is fixedly connected with the fixed column 4, providing necessary support for the whole device, the protection door 5 is fixedly connected with the handle 6, facilitating the user to easily open or close, the pull rope 8 enables the user to control the opening and closing of the protection door 5 through a simple pulling action, the pull rope 8 is fixedly connected with the hook block 12, ensuring the stability of the pull rope 8 during use, the lifting rope 10 is fixedly connected with the lifting disc 11, ensuring that the lifting disc 11 can stably carry articles, the rotating plate 14 is fixedly connected with the torsional spring 15, enabling the device to be flexible and elastic when operating, the alarm mechanism 2 is used to alarm the protection door with high opening and closing force, to ensure the safety of operation, and the gasket 22 enhances the firmness of the connection.

[0033] Please refer to the attached Figure 2 , attached Figure 3 and attached Figure 5 , the alarm mechanism 2 comprises a hollow shell 201, the bottom of the hollow shell 201 is fixedly connected with the top front side of the bottom plate 1, the outer wall left side of the hollow shell 201 is fixedly connected with an alarm 202, the inner wall bottom of the hollow shell 201 is fixedly connected with a plurality of spring columns 203, the top of the spring column 203 is fixedly connected with a sliding plate 204, the top of the sliding plate 204 is provided with a plurality of heavy blocks 205, the inner wall top left and right sides of the hollow shell 201 are fixedly connected with a fixed plate 206, the bottom of the fixed plate 206 is provided with a button 207, the top surface front side of the bottom plate 1 is provided with a plurality of weight reduction grooves 20, and the right side of the L-shaped plate 3 is fixedly connected with an identification plate 24.

[0034] Specifically, the hollow shell 201 is fixedly connected with the bottom plate 1, ensuring the stability and durability of the structure, the alarm 202 not only saves space, but also can quickly alarm in emergency to protect the safety of the user, the spring column 203 can withstand a certain pressure without deformation, ensuring the normal operation of the equipment, the heavy block 205 ensures that it can maintain balance under different conditions, the button 207 is convenient for the user to operate, the weight reduction groove 20 not only reduces the overall weight, but also increases the practicability of the equipment, and the identification plate 24 clearly indicates the use instructions and warning information of the equipment, ensuring that the user can correctly and safely use the equipment.

[0035] Please refer to the attached Figure 1 , attached Figure 2 and attached Figure 3 , the top rear side of the bottom plate 1 is fixedly connected with a fixed block 16, the front side of the fixed block 16 is rotatably connected with an outer frame 17, the front side left end of the outer frame 17 is fixedly connected with a rotating leaf 18, and the middle part of the rotating leaf 18 is rotatably connected with a rotating shaft 19.

[0036] Specifically, the fixed block 16 ensures the stability of the whole device, the fixed block 16 is rotatably connected with the outer frame 17, so that the outer frame 17 can be flexibly adjusted in angle, the rotating blade 18 not only enhances the adaptability of the device, but also is rotatably connected with the rotating shaft 19 to realize fine adjustment function, ensuring the flexibility and durability of the device during use.

[0037] Please refer to the attached Figure 1 , the outer wall of the sliding plate 204 is slidably connected with the inner wall of the hollow shell 201, the top surface of the bottom plate 1 is threadedly connected with the screw 21, the outer wall of the handle 6 is fixedly connected with the anti-skid sleeve 25, and the left side of the wire wheel 7 is fixedly connected with the fixed disc 23. Figure 2 Figure 3 Specifically, the sliding plate 204 is slidably connected with the hollow shell 201, ensuring the flexibility and stability of operation, the screw 21 not only enhances the firmness of the structure, but also facilitates the user to quickly disassemble and assemble, the anti-skid sleeve 25 takes into account the holding comfort and safety of the user during use, so that the user will not feel tired after a long time operation, and the fixed disc 23 is used to ensure the stability of the wire wheel 7 during rotation, preventing deviation or vibration caused by excessive centrifugal force, thereby ensuring the smoothness and accuracy of the whole device.

[0038] Working principle: push the hook block 12, when the handle 6 contacts the rotating plate 14, a pushing force will be generated, so that the rotating plate 14 rotates around the outer wall of the rotating column 13 and extrudes the torsional spring 15, when the handle 6 is completely put into the inside of the hook block 12, the elastic force of the torsional spring 15 will push the rotating plate 14 to return to the original position, and the handle 6 is clamped in the inside of the hook block 12, then the heavy block 205 is taken out and placed in the inside of the hanging disc 11, the gravity of the heavy block 205 will be converted into a pulling force on the pull rope 8 and the hook block 12 under the action of the wire wheel 7, by counting the number of heavy blocks 205 put in, the opening and closing force of the protection door 5 is calculated, realizing the detection of the opening and closing force of the protection door 5, facilitating the use of the user, improving the detection accuracy and practicality of the equipment.

[0039] When the heavy block 205 is taken away, the elastic force of the spring column 203 will push the sliding plate 204 upward, when the opening and closing force of the protection door 5 is higher, the heavy block 205 taken out will be more, thereby causing the sliding plate 204 to continuously rise, when reaching a certain number, the spring column 203 will push the sliding plate 204, so that the sliding plate 204 contacts the button 207 and extrudes the button 207, then the button 207 will control the alarm 202 to issue an alarm, reminding the staff that the opening and closing force of the protection door 5 is too large, realizing the alarm of the detection, and providing sufficient guarantee for the accuracy of the detection.

[0040] When the heavy block 205 is taken away, the elastic force of the spring column 203 will push the sliding plate 204 upward, when the opening and closing force of the protection door 5 is higher, the heavy block 205 taken out will be more, thereby causing the sliding plate 204 to continuously rise, when reaching a certain number, the spring column 203 will push the sliding plate 204, so that the sliding plate 204 contacts the button 207 and extrudes the button 207, then the button 207 will control the alarm 202 to issue an alarm, reminding the staff that the opening and closing force of the protection door 5 is too large, realizing the alarm of the detection, and providing sufficient guarantee for the accuracy of the detection.

[0041] ​Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A device for detecting the opening and closing force of protective doors in civil defense projects, comprising a base plate (1), characterized in that: An L-shaped plate (3) is fixedly connected to the right side of the top surface of the base plate (1). A fixing post (4) is fixedly connected to the top left side of the L-shaped plate (3). A protective door (5) is provided on the rear side of the top surface of the base plate (1). A handle (6) is fixedly connected to the right front end of the protective door (5). A spool (7) is rotatably connected to the left side of the fixing post (4). A pull rope (8) is provided on the outer wall of the pull rope (7). A hook block (12) is fixedly connected to the left side of the pull rope (8). A connecting plate (9) is fixedly connected to the bottom of the pull rope (8). The bottom of the connecting plate (9) is fixedly connected to the four corners of the bottom with a hanging rope (10). The bottom of the hanging rope (10) is fixedly connected to the hanging plate (11). The left side of the hook block (12) is rotatably connected to a rotating column (13). The rear side of the outer wall of the rotating column (13) is fixedly connected to a rotating plate (14). The inner wall of the rotating plate (14) is fixedly connected to a torsion spring (15). The front side of the top of the bottom plate (1) is provided with an alarm mechanism (2). The alarm mechanism (2) is used to issue an alarm for the protective door with high opening and closing force.

2. The detection device for the opening and closing force of protective doors in civil defense projects according to claim 1, characterized in that: The alarm mechanism (2) includes a hollow shell (201), the bottom of which is fixedly connected to the top front side of the base plate (1), an alarm (202) is fixedly connected to the left side of the outer wall of the hollow shell (201), a plurality of spring columns (203) are fixedly connected to the bottom of the inner wall of the hollow shell (201), a sliding plate (204) is fixedly connected to the top of the spring columns (203), a plurality of weights (205) are provided on the top of the sliding plate (204), and a fixing plate (206) is fixedly connected to the left and right sides of the top of the inner wall of the hollow shell (201), and a button (207) is provided at the bottom of the fixing plate (206).

3. The detection device for the opening and closing force of protective doors in civil defense projects according to claim 1, characterized in that: The L-shaped plate (3) has screws (21) threaded to both the front and rear ends of the top right side, and the outer wall of the screws (21) is provided with washers (22).

4. The detection device for the opening and closing force of protective doors in civil defense projects according to claim 1, characterized in that: A fixing block (16) is fixedly connected to the rear side of the top surface of the base plate (1), and an outer frame (17) is rotatably connected to the front side of the fixing block (16).

5. The detection device for the opening and closing force of protective doors in civil defense projects according to claim 4, characterized in that: A rotating blade (18) is fixedly connected to the front left end of the outer frame (17), and a rotating shaft (19) is rotatably connected to the middle part of the rotating blade (18).

6. The detection device for the opening and closing force of protective doors in civil defense projects according to claim 1, characterized in that: The outer wall of the handle (6) is fixedly connected to an anti-slip sleeve (25), and the left side of the reel (7) is fixedly connected to a fixing disc (23).

7. The detection device for the opening and closing force of protective doors in civil defense projects according to claim 1, characterized in that: The bottom plate (1) has multiple weight-reducing grooves (20) on its front side, and the right side of the L-shaped plate (3) is fixedly connected to an identification plate (24).

8. The detection device for the opening and closing force of protective doors in civil defense projects according to claim 2, characterized in that: The outer wall of the sliding plate (204) is slidably connected to the inner wall of the hollow shell (201), and a screw (21) is threadedly connected to the right side of the top surface of the bottom plate (1).

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