Box-type substation locking device and box body for box-type substation

Abstract

The utility model relates to the technical field of locking devices, and discloses a box-type transformer station locking device and a box body for a box-type transformer station, comprising a transformer station box body, the front side wall surface of the transformer station box body is provided with an installation connecting groove, an installation frame is fixedly installed in the installation connecting groove, and the installation frame is shaped like a Chinese character'hui '. A rotatable box door assembly is hinged to the interior of the mounting frame, the box door assembly comprises two sets of protective doors, the positions, close to each other, of the rear side wall faces of the two sets of protective doors are connected through hinges, and a positioning clamping groove capable of limiting is formed in the top wall face of the mounting frame. When the protective door is folded, the positioning clamping rod can move downwards through the position adjusting mechanism until the positioning clamping rod is separated from the leftmost positioning clamping groove, then the two protective door bodies are folded together, and finally the positioning clamping rod moves upwards through the position adjusting mechanism until the positioning clamping rod is connected with the rightmost positioning clamping groove. The two sets of protective doors are folded together, and the stability of the protective doors in the opening state is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of locking devices, in particular to a locking device for a box-type substation and a box body for a box-type substation. Background Technique

[0002] A box-type substation, also called a prefabricated substation or a prefabricated transformer substation. It is a kind of high-voltage switchgear, distribution transformer and low-voltage distribution device, a factory prefabricated indoor and outdoor compact distribution equipment arranged according to a certain wiring scheme, that is, functions such as transformer step-down and low-voltage power distribution are organically combined together, installed in a moisture-proof, rust-proof, dust-proof, mouse-proof, fire-proof, anti-theft, heat-insulating, fully enclosed and movable steel structure box, which is especially suitable for urban network construction and transformation, and is a brand-new substation that emerged after the civil substation.

[0003] During the use of the existing box-type substation, when the staff conducts maintenance work, they need to open the box door first before they can proceed. Since there is no positioning mechanism on the box door, when there is strong wind, the box door will suddenly close, and collide with the box body, its stability is poor, and it may even touch the maintenance personnel, causing personal injury and low safety.

[0004] Therefore, we propose a locking device for a box-type substation and a box body for a box-type substation. Content of the Utility Model

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art, and provides a locking device for a box-type substation and a box body for a box-type substation.

[0006] To achieve the above object, the utility model adopts the following technical scheme. A locking device for a box-type substation includes a substation box body. An installation connection groove is opened on the front side wall surface of the substation box body, and an installation frame is fixedly installed inside the installation connection groove. The installation frame is in a shape of a Chinese character 'hui'. A rotatable box door assembly is hinged inside the installation frame. The box door assembly includes two groups of protective doors. The rear side wall surfaces of the two groups of protective doors are hinged at positions close to each other. A positioning card slot for limiting is opened on the top wall surface of the installation frame. An installation shell is fixedly installed on the front side wall surface of the left protective door. A movable connection groove is opened on the front side wall surface of the left protective door corresponding to the installation shell. A positioning card rod for limiting is arranged inside the movable connection groove. The positioning card rod is cylindrical. The outer wall of the positioning card rod movably penetrates through the top wall surface of the movable connection groove. The outer wall of the positioning card rod is adapted to the positioning card slot. The positioning card rod is movably clamped into the positioning card slot. There are multiple positioning card slots, and the multiple positioning card slots are distributed at equal intervals. A position adjustment mechanism for moving the positioning card rod up and down is arranged on the positioning card rod.

[0007] Preferably, the position adjustment mechanism includes a movable connecting plate, which is movably installed inside a movable connecting groove, and a positioning clamping rod is fixedly installed on the upper side wall of the movable connecting plate. The outer wall of the rear end of the movable connecting plate is adapted to the interior of the movable connecting groove, and a transmission worm is rotatably installed on the front side wall of the left protective door for transmission.

[0008] Preferably, the outer wall of the transmission worm and the front wall of the mounting housing are rotationally connected by friction, and an auxiliary knob is fixedly mounted on the front wall of the transmission worm to facilitate its rotation.

[0009] Preferably, a height adjustment rod capable of transmission is rotatably installed inside the mounting shell, a threaded groove is provided on the outer wall of the height adjustment rod, and the outer wall of the height adjustment rod is threadedly connected to the movable connecting plate.

[0010] Preferably, a transmission worm wheel capable of transmitting power is fixedly mounted on the outer wall of the height adjustment rod, the transmission worm wheel and the transmission worm are drivingly connected together, and the interiors of the positioning rod and the plurality of positioning slots are adapted to each other.

[0011] Preferably, a limiting connecting groove capable of performing position limiting is formed on the bottom wall surface inside the installation frame, and a limiting sliding block capable of performing position limiting is movably installed in the limiting connecting groove.

[0012] Preferably, the outer wall of the limit slider and the interior of the limit connecting groove are adapted to each other, and the left end of the bottom wall of the left protective door is rotatably mounted on the upper wall of the limit slider via a connecting shaft.

[0013] A box body for a box-type substation comprises the above-mentioned box-type substation locking device.

[0014] Beneficial Effects

[0015] The utility model provides a box-type substation locking device and a box body for the box-type substation. It has the following beneficial effects:

[0016] (1) A box-type substation locking device and a box body for a box-type substation. During use, the position adjustment mechanism can be used to move the positioning rod downward until the positioning rod and the leftmost positioning slot are separated, and then the two sets of protective doors are folded together. Finally, the position adjustment mechanism is used to move the positioning rod upward until the positioning rod and the rightmost positioning slot are connected together, thereby folding the two sets of protective doors together, improving their stability when in the open state, and improving their safety. In addition, the positioning rod can be inserted into different positioning slots to achieve positioning of multiple positions of the box door assembly, thereby improving practicality.

[0017] (2) A box-type substation locking device and a box body for a box-type substation. During use, the auxiliary knob is turned to cause the transmission worm to start rotating. With the cooperation of the transmission worm gear, the height adjustment rod starts rotating. Depending on the direction in which the auxiliary knob is turned, the height adjustment rod can rotate forward or reverse, so that the movable connecting plate can move upward or downward with the positioning card rod. In addition, during the folding process of the two sets of protective doors, the limit slider will move inside the limit connecting groove to improve the stability of the movement of the two sets of protective doors. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of the utility model as a whole;

[0019] Figure 2 It is a three-dimensional diagram of the installation frame of the utility model;

[0020] Figure 3 for Figure 2 A magnified view of location A;

[0021] Figure 4 for Figure 2 A magnified view of location B;

[0022] Figure 5 for Figure 2 Enlarged view of location C.

[0023] Legend: 1. Substation box; 2. Installation frame; 3. Protection door; 4. Positioning slot; 5. Installation shell; 6. Active connecting slot; 7. Positioning lever; 8. Active connecting plate; 9. Transmission worm; 10. Height adjustment lever; 11. Transmission worm wheel; 12. Auxiliary knob; 13. Limit slider; 14. Limit connecting slot. DETAILED DESCRIPTION

[0024] Embodiment 1: A box-type substation locking device, such as Figure 1-4As shown in the figure, it includes a substation box body 1. An installation connecting groove is provided on the front side wall surface of the substation box body 1. An installation frame 2 is fixedly installed inside the installation connecting groove. The installation frame 2 is in a shape of a rectangle with a hollow center. A rotatable box door assembly is hingedly connected inside the installation frame 2. The box door assembly includes two groups of protective doors 3. The positions where the rear side wall surfaces of the two groups of protective doors 3 are close to each other are hingedly connected. A positioning card slot 4 for limiting is provided on the top wall surface of the installation frame 2. An installation shell 5 is fixedly installed on the front side wall surface of the left protective door 3. An activity connecting groove 6 is provided on the front side wall surface of the left protective door 3 corresponding to the position of the installation shell 5. A positioning rod 7 for limiting is arranged inside the activity connecting groove 6. The positioning rod 7 is cylindrical. The outer wall of the positioning rod 7 movably penetrates through the top wall surface of the activity connecting groove 6. The outer wall of the positioning rod 7 is adapted to the positioning card slot 4. The positioning rod 7 is movably clamped into the inside of the positioning card slot 4. There are multiple positioning card slots 4, and the multiple positioning card slots 4 are distributed at equal intervals. A position adjusting mechanism for moving the positioning rod 7 up and down is provided on the positioning rod 7.

[0025] During the use of the utility model, the positioning rod 7 can be moved downward through the position adjusting mechanism until the positioning rod 7 is separated from the leftmost positioning card slot 4. Then, the two groups of protective doors 3 are folded together. Finally, the positioning rod 7 is moved upward through the position adjusting mechanism until the positioning rod 7 is connected to the rightmost positioning card slot 4, realizing the folding of the two groups of protective doors 3 together, improving the stability in the open state and enhancing the safety. In addition, the positioning rod 7 can be clamped into the inside of different positioning card slots 4, and the positioning of multiple positions of the box door assembly can be realized.

[0026] Embodiment 2: On the basis of Embodiment 1, as Figure 3 、 Figure 4 and Figure 5 shown, the position adjusting mechanism includes a movable activity connecting plate 8. The activity connecting plate 8 is movably installed inside the activity connecting groove 6. The positioning rod 7 is fixedly installed on the upper side wall surface of the activity connecting plate 8. The outer wall of the rear end of the activity connecting plate 8 is adapted to the inside of the activity connecting groove 6. A transmission worm 9 for transmission is rotatably installed on the front side wall surface of the left protective door 3.

[0027] The outer wall of the transmission worm 9 is rotatably connected to the front side wall surface of the installation shell 5 by friction. An auxiliary knob 12 for facilitating rotation is fixedly installed on the front side wall surface of the transmission worm 9.

[0028] A height adjusting rod 10 for transmission is rotatably installed inside the installation shell 5. A threaded groove is provided on the outer wall of the height adjusting rod 10. The outer wall of the height adjusting rod 10 is threadedly connected to the activity connecting plate 8.

[0029] A transmission worm wheel 11 is fixedly mounted on the outer wall of the height adjustment rod 10 . The transmission worm wheel 11 and the transmission worm 9 are connected together in a transmission manner. The positioning rod 7 and the interiors of the plurality of positioning slots 4 are adapted to each other.

[0030] A limiting connecting groove 14 for limiting position is formed on the bottom wall surface inside the installation frame 2 , and a limiting sliding block 13 for limiting position is movably installed in the limiting connecting groove 14 .

[0031] The outer wall of the limiting slide block 13 and the interior of the limiting connecting groove 14 are adapted to each other, and the left end of the bottom wall of the left protective door 3 is rotatably mounted on the upper side wall of the limiting slide block 13 through a connecting shaft.

[0032] During use of the utility model, by turning the auxiliary knob 12, the transmission worm 9 starts to rotate, and with the cooperation of the transmission worm wheel 11, the height adjustment rod 10 starts to rotate. According to the different rotation directions of the auxiliary knob 12, the height adjustment rod 10 can rotate forward or reverse, so that the movable connecting plate 8 can move the positioning card rod 7 upward or downward. In addition, during the folding process of the two sets of protective doors 3, the limit slider 13 will move inside the limit connecting groove 14.

[0033] The present application also proposes a box body for a box-type substation, which includes the above-mentioned box-type substation locking device. The specific structure of the box-type substation locking device refers to the above-mentioned embodiment. Since the box body for the box-type substation adopts all the technical solutions of all the above-mentioned embodiments, it also has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here one by one.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A box-type substation locking device, comprising a substation box body (1), wherein an installation connecting groove is formed on the front side wall surface of the substation box body (1), and an installation frame (2) is fixedly installed inside the installation connecting groove. The installation frame (2) is in a shape of a Chinese character 'hui', and is characterized in that: The internal hinge of the installation frame (2) is connected with a rotatable box door assembly, the box door assembly comprises two groups of protective doors (3), the rear side walls of the two groups of protective doors (3) are connected by hinges at positions close to each other, a positioning slot (4) capable of being limited is provided on the top wall of the installation frame (2), a mounting shell (5) is fixedly mounted on the front side wall of the left protective door (3), a movable connecting slot (6) is provided on the front side wall of the left protective door (3) at a position corresponding to the mounting shell (5), a positioning rod (7) capable of being limited is provided inside the movable connecting slot (6), the positioning rod (7) is cylindrical, the outer wall of the positioning rod (7) movably penetrates the top wall of the movable connecting slot (6), the outer wall of the positioning rod (7) is adapted to the positioning slot (4), the positioning rod (7) movably snaps into the inside of the positioning slot (4), a plurality of positioning slots (4) are provided, the plurality of positioning slots (4) are equidistantly distributed, and a position adjustment mechanism is provided on the positioning rod (7) to enable it to move up and down.

2. The box-type substation locking device according to claim 1 is characterized in that: The position adjustment mechanism comprises a movable connecting plate (8), the movable connecting plate (8) is movably mounted inside the movable connecting groove (6), a positioning clamping rod (7) is fixedly mounted on the upper side wall of the movable connecting plate (8), the outer wall of the rear end of the movable connecting plate (8) is adapted to the inside of the movable connecting groove (6), and a transmission worm (9) is rotatably mounted on the front side wall of the left protective door (3) for transmission.

3. The locking device for a box-type substation according to claim 2 is characterized in that: The outer wall of the transmission worm (9) and the front wall of the mounting housing (5) are rotationally connected by friction, and an auxiliary knob (12) is fixedly mounted on the front wall of the transmission worm (9) to facilitate its rotation.

4. The box-type substation locking device according to claim 3 is characterized in that: A height adjustment rod (10) capable of being transmitted is rotatably installed inside the installation shell (5), a thread groove is provided on the outer wall of the height adjustment rod (10), and the outer wall of the height adjustment rod (10) is threadedly connected to the movable connecting plate (8).

5. The box-type substation locking device according to claim 4 is characterized in that: A transmission worm wheel (11) capable of transmitting is fixedly mounted on the outer wall of the height adjustment rod (10); the transmission worm wheel (11) and the transmission worm (9) are connected together in a transmission manner; and the interiors of the positioning clamp rod (7) and the plurality of positioning clamp slots (4) are adapted to each other.

6. The box-type substation locking device according to claim 5 is characterized in that: A limiting connecting groove (14) capable of performing position limiting is provided on the bottom wall surface inside the installation frame (2), and a limiting sliding block (13) capable of performing position limiting is movably installed in the limiting connecting groove (14).

7. The box-type substation locking device according to claim 6 is characterized in that: The outer wall of the limit slide block (13) and the interior of the limit connecting groove (14) are adapted to each other, and the left end of the bottom wall of the left protective door (3) is rotatably mounted on the upper wall of the limit slide block (13) via a connecting shaft.

8. A box for a box-type substation, characterized in that: It comprises the box-type substation locking device as described in any one of claims 1-7.

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