A security access control device for a thermal power plant

Abstract

The utility model provides a kind of thermal power plant security access control equipment, it is related to the technical field of thermal power plant.The thermal power plant security access control equipment includes support seat, transmission shaft, buffer assembly, stop door and maintenance door;Support seat is equipped with mounting groove;Transmission shaft is pivoted in mounting groove, and it is equipped with limit slot, arc spring groove and fixed lug;Arc spring groove is communicated with limit slot, and fixed lug is connected with transmission shaft;Buffer assembly includes two buffer pieces symmetrically arranged in arc spring groove;Buffer piece includes arc spring and clamping plate;Arc spring is arranged in arc spring groove, and clamping plate is connected with arc spring;Stop door is equipped with rotating ring, positioning sheet, nut and limiting plate;Rotating ring is arranged in stop door, positioning sheet and nut are respectively threadedly connected with rotating ring, and limiting plate is inserted in limit slot.The thermal power plant security access control equipment solves the technical problems that existing thermal power plant security access control equipment is difficult to disassemble and replace stop door, and transmission shaft is easily damaged.

Description

Technical Field

[0001] This utility model relates to the technical field of thermal power plants, and in particular to a security access control device for thermal power plants. Background Technology

[0002] Security access control equipment in thermal power plants uses identity verification to allow authorized employees to enter and exit the plant, while preventing unauthorized employees from doing so.

[0003] Existing security access control equipment for thermal power plants includes a base, a fixed frame, an identification device, a motor, a drive shaft, and a barrier gate. The fixed frame is installed at both ends of the base, the identification device is installed on the fixed frame and electrically connected to the motor, the motor is installed inside the fixed frame, the drive shaft is pivotally connected to the fixed frame and connected to the motor via gear transmission, and one end of the barrier gate is fixedly fitted onto the drive shaft. In use, when the identification device detects an authorized employee, the motor starts, driving the drive shaft to rotate, which in turn drives the barrier gate to rotate, allowing the authorized employee to pass. However, this type of security access control equipment for thermal power plants is difficult to disassemble and replace after the barrier gate is damaged, and the drive shaft is easily damaged when the barrier gate is impacted.

[0004] In the process of implementing this embodiment, the inventors discovered at least the following problems:

[0005] Existing security access control equipment in thermal power plants is difficult to disassemble and replace, and the drive shaft is prone to damage. Utility Model Content

[0006] The purpose of this utility model is to provide a security access control device for thermal power plants, which solves the technical problems of existing security access control devices for thermal power plants, such as the difficulty in disassembling and replacing the gate and the easy damage to the drive shaft.

[0007] Utility model solution:

[0008] This utility model provides a security access control device for a thermal power plant, including a support base, a drive shaft, a buffer assembly, a stop door, and a maintenance door. The support base has an installation groove. The drive shaft is pivotally connected to the installation groove and has a limiting groove, an arc-shaped spring groove, and a fixing lug. The arc-shaped spring groove communicates with the limiting groove, and the fixing lug is connected to the drive shaft. The buffer assembly includes two buffer members symmetrically arranged in the arc-shaped spring groove. The buffer member includes an arc-shaped spring and a clamping plate. The arc-shaped spring is disposed in the arc-shaped spring groove, and the clamping plate is connected to the arc-shaped spring. The stop door has a rotating ring, a positioning plate, a nut, and a limiting plate. The rotating ring passes through the stop door, and the positioning plate and the nut are threadedly connected to the rotating ring. The limiting plate is inserted into the limiting groove and abuts against the clamping plate. The maintenance door is hinged to the installation groove.

[0009] Furthermore, the clamping plate is provided with an opening.

[0010] Furthermore, the arc-shaped spring is provided with a disc seat.

[0011] Furthermore, the barrier gate is equipped with an indicator sign.

[0012] Furthermore, the maintenance door is equipped with a lever opening.

[0013] Furthermore, the limiting groove is provided in one section.

[0014] Furthermore, each of the limiting grooves is provided with an arc-shaped spring groove.

[0015] Furthermore, the fixing ears are provided in two pairs.

[0016] Furthermore, the limiting groove is rectangular, and the limiting plate is rectangular.

[0017] Furthermore, the maintenance door is located inside the stop door.

[0018] Beneficial effects:

[0019] This utility model provides a security access control device for thermal power plants. During installation, a buffer assembly is installed into the arc-shaped spring groove, a rotating ring is threaded onto the gate, positioning plates are screwed into both ends of the rotating ring, the gate's limiting plate is inserted into the limiting groove and positioned between two clamping plates, the rotating ring is passed through the fixing ears, and nuts are screwed into both ends of the rotating ring, abutting against the fixing ears, thus installing the gate onto the drive shaft. When the gate is impacted, it rotates on the rotating ring and presses against the clamping plates. The clamping plates transmit the impact force to the arc-shaped spring, which in turn transmits the elastic force to the drive shaft, providing a buffered force and reducing damage to the drive shaft. When the gate needs to be disassembled and replaced, the maintenance door is opened, the nuts are removed, the gate is pulled out of the limiting groove, replaced, and then reinstalled. Therefore, this type of security access control device for thermal power plants allows for convenient gate disassembly and replacement, and the drive shaft is less prone to damage. Attached Figure Description

[0020] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a structural schematic diagram of the security access control equipment for a thermal power plant provided in this embodiment;

[0022] Figure 2This is a structural schematic diagram of the security access control equipment for a thermal power plant provided in this embodiment;

[0023] Figure 3 This is a structural schematic diagram of the security access control equipment for a thermal power plant provided in this embodiment;

[0024] Figure 4 This is a structural schematic diagram of the security access control equipment for a thermal power plant provided in this embodiment;

[0025] Figure 5 This is a structural schematic diagram of the security access control equipment for a thermal power plant provided in this embodiment.

[0026] icon:

[0027] 100 - Support base; 110 - Mounting slot;

[0028] 200 - Drive shaft; 210 - Limiting groove; 220 - Arc-shaped spring groove; 230 - Fixing lug;

[0029] 300 - Buffer assembly; 310 - Buffer element; 320 - Curved spring; 321 - Disc base; 330 - Clamping plate; 331 - Opening;

[0030] 400 - Gate stop; 410 - Rotating ring; 420 - Positioning plate; 430 - Nut; 440 - Limiting plate; 450 - Indicator mark;

[0031] 500 - Maintenance door; 510 - Lever opening. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0033] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0034] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0035] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0036] Furthermore, terms such as "horizontal" and "vertical" do not imply that the components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," not that the structure must be completely horizontal, but can be slightly tilted. In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0038] This embodiment provides a security access control device for a thermal power plant. Please refer to [link / reference]. Figure 1-5As shown, the system includes a support base 100, a drive shaft 200, a buffer assembly 300, a stop door 400, and a maintenance door 500. The support base 100 has a mounting groove 110. The drive shaft 200 is pivotally connected to the mounting groove 110 and has a limiting groove 210, an arc-shaped spring groove 220, and a fixing ear 230. The arc-shaped spring groove 220 communicates with the limiting groove 210, and the fixing ear 230 is connected to the drive shaft 200. The buffer assembly 300 includes two buffer members 310 symmetrically arranged in the arc-shaped spring groove 220. 0 includes an arc spring 320 and a clamping plate 330; the arc spring 320 is disposed in the arc spring groove 220, and the clamping plate 330 is connected to the arc spring 320; the stop door 400 is provided with a rotating ring 410, a positioning piece 420, a nut 430 and a limiting plate 440; the rotating ring 410 passes through the stop door 400, the positioning piece 420 and the nut 430 are respectively threaded to the rotating ring 410, the limiting plate 440 is inserted into the limiting groove 210 and abuts against the clamping plate 330, and the maintenance door 500 is hinged to the mounting groove 110.

[0039] Specifically, the support base 100 is used to install components such as the drive shaft 200, the stop door 400, and the identification device; the mounting groove 110 is used to install the maintenance door 500 and also increases the angle at which the stop door 400 can rotate; the buffer assembly 300 is used to reduce the impact force on the drive shaft 200; the clamping plate 330 abuts against the stop door 400; the arc spring 320 is fixedly connected to the clamping plate 330; the stop door 400 is used to open or close the passage of the support base 100; there are two rotating rings 410, which correspond to two pairs of fixed ears 230 respectively; each rotating ring 410 is provided with two positioning pieces 420; the positioning pieces 420 and the nuts 430 fasten the rotating ring 410 to the fixed ears 230; the limiting plate 440 corresponds to the limiting groove 210; after the limiting plate 440 is inserted into the limiting groove 210, it limits the upper and lower movement of the stop door 400. During installation, the buffer assembly 300 is installed into the arc-shaped spring groove 220, the rotating ring 410 is threaded onto the stop gate 400, the positioning plate 420 is screwed into both ends of the rotating ring 410, the limiting plate 440 of the stop gate 400 is inserted into the limiting groove 210 and positioned between the two clamping plates 330, the rotating ring 410 is passed through the fixing ear 230, and the nut 430 is screwed into both ends of the rotating ring 410, abutting against the fixing ear 230, so that the stop gate 400 is installed onto the drive shaft 200; when the stop gate 40 When impacted, the stop gate 400 rotates on the rotating ring 410 and presses against the clamping plate 330. The clamping plate 330 transmits the impact force to the arc spring 320, which in turn transmits the elastic force to the drive shaft 200, thus buffering the drive shaft 200 and reducing damage to it. When the stop gate 400 needs to be disassembled and replaced, the maintenance door 500 is opened, the nut 430 is removed, the stop gate 400 is pulled out of the limiting groove 210, replaced, and then reinstalled.

[0040] In this embodiment, the clamping plate 330 is provided with an opening 331.

[0041] Specifically, the opening 331 is designed to facilitate the insertion of the limiting plate 440 in the blocking door 400 into the limiting groove 210.

[0042] In this embodiment, the arc spring 320 is provided with a disc seat 321.

[0043] Specifically, the arrangement of the disc seat 321 allows the arc spring 320 to be more stably positioned within the arc spring groove 220, while also increasing the contact area between the spring and the drive shaft 200.

[0044] In this embodiment, the door 400 is provided with an indicator sign 450.

[0045] Specifically, the installation of sign 450 guides operators to correctly use the security access control equipment in thermal power plants.

[0046] In this embodiment, the maintenance door 500 is provided with a lever opening 510.

[0047] Specifically, the lever opening 510 is designed to facilitate the opening or closing of the maintenance door 500 by operators.

[0048] In this embodiment, there are two limiting grooves 210.

[0049] Specifically, the limiting grooves 210 are located at the upper and lower parts of the drive shaft 200, respectively, and the number of limiting plates 440 corresponds to the number of limiting grooves 210.

[0050] In this embodiment, each limiting groove 210 is provided with 6 arc-shaped spring grooves 220.

[0051] Specifically, there are 6 arc-shaped spring grooves 220, divided into three pairs, arranged in the top, middle and bottom order.

[0052] In this embodiment, the fixing ears 230 are provided in two pairs.

[0053] Specifically, there are two pairs of fixed ears 230, located at the upper and lower parts of the drive shaft 200 respectively, to prevent the stop door 400 from shifting.

[0054] In this embodiment, the limiting groove 210 is rectangular and the limiting plate 440 is rectangular.

[0055] Specifically, the limiting groove 210 is rectangular and the limiting plate 440 is rectangular, so that the limiting plate 440 and the limiting groove 210 fit more tightly, thereby enhancing the limiting stability of the drive shaft 200 on the stop gate 400.

[0056] In this embodiment, the maintenance door 500 is located inside the barrier door 400.

[0057] Specifically, the maintenance door 500 is located inside the barrier door 400 to prevent external personnel from opening the maintenance door 500.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A security access control device for a thermal power plant, characterized in that, Includes a support base (100), a drive shaft (200), a buffer assembly (300), a stop door (400), and a maintenance door (500); The support base (100) is provided with a mounting groove (110); The drive shaft (200) is pivotally connected to the mounting groove (110), and it is provided with a limiting groove (210), an arc-shaped spring groove (220) and a fixing lug (230). The arc-shaped spring groove (220) is connected to the limiting groove (210), and the fixing ear (230) is connected to the transmission shaft (200); The buffer assembly (300) includes two buffer members (310) symmetrically arranged in the arc-shaped spring groove (220). The buffer (310) includes an arc spring (320) and a clamping plate (330); The arc-shaped spring (320) is disposed in the arc-shaped spring groove (220), and the clamping plate (330) is connected to the arc-shaped spring (320); The gate (400) is provided with a rotating ring (410), a positioning plate (420), a nut (430) and a limiting plate (440). The rotating ring (410) passes through the stop door (400), the positioning plate (420) and the nut (430) are threadedly connected to the rotating ring (410), the limiting plate (440) is inserted into the limiting groove (210) and abuts against the clamping plate (330), and the maintenance door (500) is hinged to the mounting groove (110).

2. The security access control device for a thermal power plant according to claim 1, characterized in that, The clamp (330) is provided with an opening (331).

3. The security access control device for a thermal power plant according to claim 2, characterized in that, The arc spring (320) is provided with a disc seat (321).

4. The security access control device for a thermal power plant according to claim 3, characterized in that, The gate (400) is equipped with an indicator sign (450).

5. The security access control device for a thermal power plant according to claim 4, characterized in that, The maintenance door (500) is provided with a lever opening (510).

6. The security access control device for a thermal power plant according to claim 4, characterized in that, There are two limiting grooves (210).

7. The security access control device for a thermal power plant according to claim 4, characterized in that, Each of the limiting grooves (210) is provided with 6 arc-shaped spring grooves (220).

8. The security access control device for a thermal power plant according to claim 4, characterized in that, The fixing ears (230) are provided in two pairs.

9. The security access control device for a thermal power plant according to claim 4, characterized in that, The limiting groove (210) is rectangular, and the limiting plate (440) is rectangular.

10. The security access control device for a thermal power plant according to claim 4, characterized in that, The maintenance door (500) is located inside the stop door (400).

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