A maintenance platform for a substation

Abstract

This utility model relates to the field of maintenance platform technology, specifically a maintenance platform for substations, including a base frame with vertical guide frames fixedly installed at the four corners of its top center. A box-type platform is movably installed between the four guide frames. A lifting and adjusting mechanism is provided between the box-type platform and the base frame, and a moving mechanism is provided at the bottom of the box-type platform, which cooperates with the lifting and adjusting mechanism. This utility model achieves smooth lifting and precise positioning of the box-type platform through the threaded engagement of a bidirectional lead screw and a movable block, and the hinged engagement of a support rod and a shaft frame. It solves the safety hazard problem of the "semi-fixed" state caused by the screw driving the fixed seat to touch the ground but the moving wheels not being completely off the ground in traditional maintenance platforms, ensuring the stability of the platform during maintenance operations.

Description

Technical Field

[0001] This utility model relates to the field of maintenance platform technology, specifically a maintenance platform for substations. Background Technology

[0002] A substation is a location in a power system that transforms voltage and current, receives electrical energy, and distributes it. Substations within power plants are step-up substations, whose function is to step up the voltage of the electrical energy generated by generators before feeding it into the high-voltage power grid. To maintain the normal operation of substations, power workers need to conduct regular inspections and maintenance, which requires the use of maintenance platforms to assist them in these tasks.

[0003] For example, the substation maintenance platform disclosed in authorization announcement number CN216997562U includes a base plate, a maintenance platform above the base plate, and a lifting structure between the base plate and the maintenance platform. The lifting structure includes a connecting plate one and a connecting plate two. Connecting plate one is hinged to the base plate, and connecting plate two is hinged to the bottom of the maintenance platform. A connecting plate three is hinged between connecting plate one and connecting plate two. Connecting rod one and connecting rod two are respectively provided between connecting plate one and connecting plate two. A screw hole is opened in the middle of connecting rod one, and a screw rod one is rotatably installed in the screw hole. A motor for driving the screw rod one to rotate is provided on the side of the screw rod one near the connecting rod one. After adopting the above technical solution, the beneficial effects of this utility model are: the maintenance platform can be raised and lowered smoothly, and tools can be easily retrieved during maintenance.

[0004] Although the aforementioned patent allows for adjustment of the height of the maintenance platform, the fixed base is on the ground but the moving wheels are not completely off the ground, so the platform is actually in a "semi-fixed" state, which can lead to serious safety hazards for the maintenance platform. Utility Model Content

[0005] The purpose of this utility model is to provide a maintenance platform for substations to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A maintenance platform for substations, including

[0008] The base frame has vertical guide frames fixedly installed at the four corners of its top center, and a box-type platform is movably installed between the four guide frames;

[0009] A lifting and adjusting mechanism is provided between the box-type platform and the base frame, and a moving mechanism is provided at the bottom of the box-type platform. The moving mechanism cooperates with the lifting and adjusting mechanism.

[0010] Preferably, the lifting adjustment mechanism includes a support frame horizontally fixed in the middle of the base frame, and a bidirectional lead screw rotatably connected to the middle of the support frame via bearings. Both ends of the bidirectional lead screw are rotatably connected to both sides of the base frame via bearings. A motor is fixedly installed on the outside of one side of the base frame, and the output shaft of the motor is fixedly connected to the bidirectional lead screw.

[0011] Preferably, the lifting adjustment mechanism further includes a crossbar movably installed on the upper ends of both sides of the base frame, and a movable block vertically fixed to the middle of the bottom end of the crossbar. The movable block is threadedly connected to a two-way lead screw. Shaft brackets are fixedly installed on both sides of the top of the crossbar and at both ends of the outer side of the box platform. A support rod is hinged between the shaft bracket on the outer side of the box platform and the shaft bracket at the top of the crossbar.

[0012] Preferably, a guide groove is provided on the side of the guide frame near the box platform, and guide blocks that are slidably connected to the guide groove are fixedly connected to the bottom of the four corners of the box platform.

[0013] Preferably, the moving mechanism includes vertical frames fixed to the four corners of the bottom of the box platform, and moving wheels fixedly installed at the bottom of the vertical frames. Several supporting feet are arranged side by side at the bottom of both sides of the base frame.

[0014] Preferably, a door is movably mounted on one side of the box-type platform via a hinge.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This substation maintenance platform achieves smooth lifting and precise positioning of the box-type platform through the threaded engagement of the bidirectional screw and the movable block, as well as the hinged engagement of the support rod and the shaft frame. It solves the safety hazard problem of the "semi-fixed" state caused by the screw driving the fixed seat to touch the ground but the moving wheels not being completely off the ground in traditional maintenance platforms, and ensures the stability of the platform during maintenance operations.

[0017] 2. This substation maintenance platform achieves a rapid and reliable switching effect between fixed and mobile operation states through the sliding cooperation of the guide frame and guide block, as well as the coordinated lifting and lowering of the support legs and moving wheels. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall main structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the crossbar installation structure of this utility model;

[0020] Figure 3 For the present utility model Figure 1 Enlarged view of point A in the middle;

[0021] Figure 4 For the present utility model Figure 2 Enlarged diagram of point B in the middle.

[0022] In the diagram: 1. Base frame; 2. Guide frame; 3. Box platform; 4. Box door; 5. Support frame; 6. Two-way lead screw; 7. Motor; 8. Crossbar; 9. Movable block; 10. Shaft frame; 11. Support rod; 12. Guide groove; 13. Vertical frame; 14. Casters; 15. Support feet. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figure 1-4 As shown, this utility model provides a technical solution:

[0025] A substation maintenance platform includes a base frame 1, with vertical guide frames 2 fixedly installed at the four corners of its top center. A box-type platform 3 is movably installed between the four guide frames 2. A door 4 is movably installed on one side of the box-type platform 3 via a hinge. A lifting and adjusting mechanism is provided between the box-type platform 3 and the base frame 1. The lifting and adjusting mechanism includes a support frame 5 horizontally fixed to the middle of the base frame 1, and a double-acting screw 6 rotatably connected to the middle of the support frame 5 via bearings. Both ends of the double-acting screw 6 are rotatably connected to both sides of the base frame 1 via bearings. A motor 7 is fixedly installed on the outside of one side of the base frame 1, and the output shaft of the motor 7 is fixedly connected to the double-acting screw 6. The lifting and adjusting mechanism also includes crossbars 8 movably installed on the upper ends of both sides of the base frame 1, and vertically fixed to the crossbars 8. The movable block 9 at the bottom center is threadedly connected to the bidirectional lead screw 6. Shaft brackets 10 are fixedly installed on both sides of the top of the crossbar 8 and on both sides of the outer side of the box platform 3. A support rod 11 is hinged between the shaft bracket 10 on the outer side of the box platform 3 and the shaft bracket 10 at the top of the crossbar 8. A guide groove 12 is provided on the side of the guide frame 2 near the box platform 3. Guide blocks that are slidably connected to the guide groove 12 are fixedly connected to the bottom of the four corners of the box platform 3. A moving mechanism is provided at the bottom of the box platform 3. The moving mechanism cooperates with the lifting and adjusting mechanism. The moving mechanism includes a vertical frame 13 fixedly fixed to the four corners of the bottom of the box platform 3 and a moving wheel 14 fixedly installed at the bottom of the vertical frame 13. Several support feet 15 are provided side by side on both sides of the bottom of the base frame 1.

[0026] In this embodiment, the smooth lifting and precise positioning of the box platform 3 are achieved through the threaded engagement of the bidirectional lead screw 6 and the movable block 9, and the hinged engagement of the support rod 11 and the shaft frame 10. This solves the safety hazard problem of the "semi-fixed" state caused by the screw driving the fixed seat to touch the ground but the moving wheels not being completely off the ground in the traditional maintenance platform, and ensures the stability of the platform during maintenance operations.

[0027] Furthermore, through the sliding cooperation between the guide frame 2 and the guide block 12, and the coordinated lifting and lowering of the support foot 15 and the moving wheel 14, the maintenance platform achieves a rapid and reliable switching effect between fixed operation state and moving state.

[0028] Working principle: When motor 7 starts, the output shaft of motor 7 drives the bidirectional lead screw 6 to rotate. Since the bidirectional lead screw 6 is rotatably connected to the middle of the support frame 5 and both sides of the base frame 1 through bearings, the rotation of the bidirectional lead screw 6 causes the movable block 9, which is threaded to it, to move axially along the bidirectional lead screw 6. The movable block 9 drives the crossbar 8 to move horizontally at the upper ends of both sides of the base frame 1. The shaft bracket 10 at the top of the crossbar 8 pushes the shaft bracket 10 on the outside of the box platform 3 through the support rod 11. Since the bottom ends of the four corners of the box platform 3 slide with the guide groove 12 on the guide frame 2 through the guide block, The sliding of the guide block in the guide groove 12 restricts the horizontal displacement of the box platform 3, so that the thrust of the support rod 11 is converted into the vertical lifting and lowering motion of the box platform 3. At the same time, the vertical frames 13 at the four corners of the bottom of the box platform 3 drive the moving wheels 14 to lift and lower synchronously. When the box platform 3 rises, the moving wheels 14 leave the ground, and the support feet 15 at the bottom of both sides of the base frame 1 contact the ground to achieve stable support. When the box platform 3 descends, the moving wheels 14 contact the ground, and the support feet 15 leave the ground. At this time, the entire platform can be moved by the moving wheels 14.

[0029] It should be noted that if the above device is used outdoors, two corrugated rubber sleeves can be installed on the outside of the bidirectional lead screw. The two ends of the corrugated rubber sleeves are fixed to the support frame and the end face of the movable block, respectively, to protect the bidirectional lead screw.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A maintenance platform for substations, characterized in that: include The base frame (1) has vertical guide frames (2) fixedly installed at the four corners of its top center, and a box platform (3) is movably installed between the four guide frames (2); A lifting adjustment mechanism is provided between the box platform (3) and the base frame (1), and a moving mechanism is provided at the bottom of the box platform (3). The moving mechanism cooperates with the lifting adjustment mechanism.

2. The substation maintenance platform according to claim 1, characterized in that: The lifting and adjusting mechanism includes a support frame (5) horizontally fixed in the middle of the base frame (1), and a double-acting screw (6) rotatably connected to the middle of the support frame (5) via bearings. Both ends of the double-acting screw (6) are rotatably connected to the two sides of the base frame (1) via bearings. A motor (7) is fixedly installed on the outside of one side of the base frame (1), and the output shaft of the motor (7) is fixedly connected to the double-acting screw (6).

3. The substation maintenance platform according to claim 2, characterized in that: The lifting and adjusting mechanism also includes a crossbar (8) movably installed on the upper ends of both sides of the base frame (1), and a movable block (9) vertically fixed to the middle of the bottom end of the crossbar (8). The movable block (9) is threadedly connected to the double-acting screw (6). A shaft frame (10) is fixedly installed on both sides of the top end of the crossbar (8) and at both ends of the outer side of the box platform (3). A support rod (11) is hinged between the shaft frame (10) on the outer side of the box platform (3) and the shaft frame (10) at the top end of the crossbar (8).

4. A substation maintenance platform according to claim 3, characterized in that: A guide groove (12) is provided on the side of the guide frame (2) near the box platform (3), and guide blocks that are slidably connected to the guide groove (12) are fixedly connected to the bottom of the four corners of the box platform (3).

5. A substation maintenance platform according to claim 1, characterized in that: The moving mechanism includes vertical frames (13) fixed to the four corners of the bottom of the box platform (3) and moving wheels (14) fixedly installed at the bottom of the vertical frames (13). Several support feet (15) are arranged side by side at the bottom of both sides of the base frame (1).

6. A substation maintenance platform according to claim 1, characterized in that: A door (4) is movably mounted on one side of the box platform (3) via a hinge.

Images