A lifting device for control cabinet

Abstract

The utility model relates to the technical field of lifting devices, specifically a lifting device for a control cabinet, comprising a support, a motor and two hydraulic cylinders are fixed in the support, the output shaft of the motor is connected to a first screw rod through a coupling, a second screw rod is provided on one side of the first screw rod, pulleys are fixed on the first screw rod and the second screw rod, the two pulleys are connected by a belt, a support frame and a lifting plate are provided above the support, screw holes adapted to the first screw rod and the second screw rod are provided on the support frame, through grooves for the first screw rod and the second screw rod to pass through are provided on the lifting plate and the support, piston rods of the two hydraulic cylinders penetrate the support and are connected to the lifting plate through bolts, vertical rods are fixed at the four corners of the top of the support, through holes adapted to the vertical rods are provided at the four corners of the support frame and the lifting plate, and four limit members are provided at the top of the lifting plate; the utility model can improve the stability of the control cabinet and facilitate the lifting of the control cabinet.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting devices, in particular to a lifting device for a control cabinet. Background Art

[0002] The control cabinet is a closed or semi-closed metal cabinet or screen that is assembled with switchgear, measuring instruments, protective electrical appliances and auxiliary equipment according to the requirements of electrical wiring. When the control cabinet is installed or repaired, a lifting device is needed to lift the control cabinet to facilitate the installation or repair of the line. When the lifting device is in use, the piston rod of the hydraulic cylinder drives the lifting plate to lift and lower, and the control cabinet located on the lifting plate is lifted and lowered accordingly to realize the lifting and lowering of the control cabinet. When the hydraulic cylinder fails or is under maintenance, the control cabinet cannot be lifted and lowered, which affects the smooth lifting and lowering of the control cabinet. Therefore, a lifting device for the control cabinet is proposed to ensure the smooth lifting and lowering work. Utility Model Content

[0003] In view of the problems in the prior art, the utility model provides a lifting device for a control cabinet.

[0004] The technical solution adopted by the utility model to solve the technical problem is a lifting device for a control cabinet, including a support, one side of the support is provided with an inspection port connected to the inside of the support, a motor and two hydraulic cylinders are fixed in the support, the output shaft of the motor is connected to a first screw rod through a coupling, a second screw rod is provided on one side of the first screw rod, pulleys are fixed on the first screw rod and the second screw rod, and the two pulleys are connected by a belt, three bearing seats are fixed in the support, and the inner ring of one bearing seat is connected to the first screw rod. Then, the inner rings of the other two bearing seats are connected to the second screw rod, and a support frame and a lifting plate are provided above the support. The support frame is provided with screw holes adapted to the first screw rod and the second screw rod, and the lifting plate and the support are provided with through grooves for the first screw rod and the second screw rod to pass through. The piston rods of the two hydraulic cylinders pass through the support and are connected to the lifting plate by bolts. Vertical rods are fixed at the four corners of the top of the support, and through holes adapted to the vertical rods are provided at the four corners of the support frame and the lifting plate, and four limit members are provided at the top of the lifting plate.

[0005] By adopting the above technical solution, the piston rods of the two hydraulic cylinders drive the lifting plate to rise and fall, and the control cabinet placed on the lifting plate rises and falls accordingly, thereby realizing the lifting and lowering of the control cabinet. When the hydraulic cylinder fails or needs maintenance, the bolts connecting the lifting plate and the piston rod of the hydraulic cylinder are removed, and the output shaft of the motor drives the first screw rod to rotate. With the cooperation of the belt and the pulley, the first screw rod and the second screw rod rotate synchronously, the support frame moves vertically, and the lifting plate moves vertically accordingly. When the hydraulic cylinder fails or needs maintenance, it will not affect the lifting and lowering of the control cabinet.

[0006] Specifically, the limiting member includes a baffle and connecting bolts. The baffle is provided with two screw holes adapted to the connecting bolts, and the top end of the lifting plate is provided with a plurality of screw holes adapted to the connecting bolts.

[0007] By adopting the above technical solution, the connecting bolts are screwed into the screw holes at different positions on the lifting plate, so that the position of the baffle can be adjusted according to the size of the control cabinet, which makes it convenient to use the baffle to block the control cabinet and improve the stability of the control cabinet.

[0008] Specifically, an inspection door is provided in the inspection opening on one side of the support, and one side of the inspection door is connected to the support via a hinge.

[0009] By adopting the above technical solution, the provision of the inspection opening and the inspection door facilitates the maintenance of the motor and the hydraulic cylinder.

[0010] Specifically, an inclined plate is fixed to one side of the lifting plate away from the inspection opening, and two supporting legs are fixed to the bottom end of the inclined plate.

[0011] By adopting the above technical solution and setting the inclined plate and the supporting legs, it is convenient to transfer the control cabinet on the lifting plate to the ground.

[0012] Specifically, two connection blocks are fixed on both sides of the support, and a plurality of through holes are formed on the two connection blocks.

[0013] By adopting the above technical solution, during installation, the bottom end of the bolt is passed through the through hole on the connecting block, so that the connecting block can be conveniently fixed on the ground.

[0014] Beneficial effects of the utility model:

[0015] (1) The utility model describes a lifting device for a control cabinet. The piston rods of two hydraulic cylinders drive the lifting plate to rise and fall, and the control cabinet placed on the lifting plate rises and falls accordingly, thereby realizing the lifting and lowering of the control cabinet. When the hydraulic cylinder fails or requires maintenance, the bolts connecting the lifting plate and the piston rod of the hydraulic cylinder are removed, and the output shaft of the motor drives the first screw rod to rotate. With the cooperation of the belt and the pulley, the first screw rod and the second screw rod rotate synchronously, the support frame moves vertically, and the lifting plate moves vertically accordingly. When the hydraulic cylinder fails or requires maintenance, the lifting and lowering of the control cabinet is not affected.

[0016] (2) The utility model discloses a lifting device for a control cabinet, in which the connecting bolts are screwed into screw holes at different positions on the lifting plate, so that the position of the baffle can be adjusted according to the size of the control cabinet, and the baffle can be used to block the control cabinet, thereby improving the stability of the control cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For the utility model Figure 1 A magnified view of the structure at center A;

[0020] Figure 3 It is a cross-sectional view of the combination of the support, the support frame and the lifting plate of the utility model.

[0021] In the figure: 1. support; 2. inspection door; 3. support frame; 4. lifting plate; 5. limiter; 50. baffle; 51. connecting bolt; 6. first screw rod; 60. second screw rod; 7. vertical rod; 8. inclined plate; 9. support leg; 10. connecting block; 11. motor; 12. pulley; 13. belt; 14. hydraulic cylinder; 15. bearing seat. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] In order to ensure the smooth progress of the lifting work, as an embodiment of the utility model, Figure 1 , Figure 3 As shown, a lifting device for a control cabinet described in the utility model includes a support 1, one side of the support 1 is provided with an inspection port connected to the inside of the support 1, a motor 11 and two hydraulic cylinders 14 are fixed in the support 1 by bolts, the output shaft of the motor 11 is connected to a first screw rod 6 through a coupling, a second screw rod 60 is provided on one side of the first screw rod 6, a pulley 12 is welded and fixed on the first screw rod 6 and the second screw rod 60, the two pulleys 12 are connected by a belt 13, three bearing seats 15 are fixed in the support 1 by bolts, and the inner ring of one bearing seat 15 is welded and connected to the first screw rod 6 Then, the inner rings of the other two bearing seats 15 are welded to the second screw rod 60, and a support frame 3 and a lifting plate 4 are provided above the support 1. The support frame 3 is provided with screw holes adapted to the first screw rod 6 and the second screw rod 60, and the lifting plate 4 and the support 1 are provided with through grooves for the first screw rod 6 and the second screw rod 60 to pass through. The piston rods of the two hydraulic cylinders 14 penetrate the support 1 and are connected to the lifting plate 4 by bolts. Vertical rods 7 are welded and fixed at the four corners of the top of the support 1, and through holes adapted to the vertical rod 7 are provided at the four corners of the support frame 3 and the lifting plate 4, and four limit members 5 are provided at the top of the lifting plate 4.

[0024] When in use, the piston rods of the two hydraulic cylinders 14 drive the lifting plate 4 to rise and fall, and the control cabinet placed on the lifting plate 4 rises and falls accordingly, thereby realizing the lifting and lowering of the control cabinet. When the hydraulic cylinder 14 fails or needs maintenance, the bolts connecting the lifting plate 4 and the piston rods of the hydraulic cylinder 14 are removed, and the output shaft of the motor 11 drives the first screw rod 6 to rotate. With the cooperation of the belt 13 and the pulley 12, the first screw rod 6 and the second screw rod 60 rotate synchronously, the support frame 3 moves vertically, and the lifting plate 4 moves vertically accordingly. When the hydraulic cylinder 14 fails or needs maintenance, it will not affect the lifting and lowering of the control cabinet.

[0025] In order to improve the stability of the control cabinet, for example, Figure 2 As shown, the limiting member 5 includes a baffle plate 50 and a connecting bolt 51 . The baffle plate 50 is provided with two screw holes adapted to the connecting bolt 51 . The top end of the lifting plate 4 is provided with a plurality of screw holes adapted to the connecting bolt 51 .

[0026] When in use, the connecting bolts 51 are screwed into screw holes at different positions on the lifting plate 4, and the position of the baffle 50 can be adjusted according to the size of the control cabinet, so that the baffle 50 can be used to block the control cabinet, thereby improving the stability of the control cabinet.

[0027] In order to facilitate the maintenance of the motor 11 and the hydraulic cylinder 14, for example, Figure 1 As shown, an inspection door 2 is provided in the inspection opening on one side of the support 1, and one side of the inspection door 2 is connected to the support 1 through a hinge.

[0028] In order to facilitate the transfer of the control cabinet on the lifting plate 4 to the ground, for example, Figure 1 As shown, a sloping plate 8 is welded and fixed to one side of the lifting plate 4 away from the inspection port, and two supporting legs 9 are welded and fixed to the bottom end of the sloping plate 8 .

[0029] For ease of installation, for example, Figure 1 As shown, two connection blocks 10 are welded and fixed on both sides of the support 1, and a plurality of through holes are formed on the two connection blocks 10.

[0030] When the utility model is in use, the connecting bolts 51 are screwed into the screw holes at different positions on the lifting plate 4, and the position of the baffle plate 50 can be adjusted according to the size of the control cabinet, so that the baffle plate 50 can be used to block the control cabinet, thereby improving the stability of the control cabinet.

[0031] The piston rods of the two hydraulic cylinders 14 drive the lifting plate 4 to rise and fall, and the control cabinet placed on the lifting plate 4 rises and falls accordingly, thereby realizing the lifting and lowering of the control cabinet. When the hydraulic cylinder 14 fails or needs maintenance, the bolts used to connect the lifting plate 4 and the piston rod of the hydraulic cylinder 14 are removed, and the output shaft of the motor 11 drives the first screw rod 6 to rotate. With the cooperation of the belt 13 and the pulley 12, the first screw rod 6 and the second screw rod 60 rotate synchronously, the support frame 3 moves vertically, and the lifting plate 4 moves vertically accordingly. When the hydraulic cylinder 14 fails or needs maintenance, it will not affect the lifting and lowering of the control cabinet.

[0032] The above shows and describes the basic principles, main features and 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 the description in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of protection claimed by the utility model. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents. The contents not described in detail in the utility model belong to the prior art known to those skilled in the art.

Claims

1. A lifting device for a control cabinet, characterized in that: The invention comprises a support (1), one side of the support (1) is provided with an inspection port connected to the inside of the support (1), a motor (11) and two hydraulic cylinders (14) are fixed in the support (1), the output shaft of the motor (11) is connected to a first screw rod (6) through a coupling, a second screw rod (60) is provided on one side of the first screw rod (6), a pulley (12) is fixed on both the first screw rod (6) and the second screw rod (60), the two pulleys (12) are connected by a belt (13), three bearing seats (15) are fixed in the support (1), the inner ring of one bearing seat (15) is connected to the first screw rod (6), and the inner rings of the other two bearing seats (15) are connected to the first screw rod (6). The support (1) is connected with two screw rods (60), a support frame (3) and a lifting plate (4) are arranged above the support (1), the support frame (3) is provided with screw holes adapted to the first screw rod (6) and the second screw rod (60), the lifting plate (4) and the support (1) are provided with through grooves for the first screw rod (6) and the second screw rod (60) to pass through, the piston rods of the two hydraulic cylinders (14) pass through the support (1) and are connected to the lifting plate (4) by bolts, vertical rods (7) are fixed at the four corners of the top of the support (1), the support frame (3) and the lifting plate (4) are provided with through holes adapted to the vertical rods (7), and the top of the lifting plate (4) is provided with four limit members (5).

2. A lifting device for a control cabinet according to claim 1, characterized in that: The limiting member (5) comprises a baffle (50) and a connecting bolt (51); the baffle (50) is provided with two screw holes adapted to the connecting bolt (51); and the top end of the lifting plate (4) is provided with a plurality of screw holes adapted to the connecting bolt (51).

3. A lifting device for a control cabinet according to claim 1, characterized in that: An inspection door (2) is provided in the inspection opening on one side of the support (1), and one side of the inspection door (2) is connected to the support (1) via a hinge.

4. The lifting device for a control cabinet according to claim 1, characterized in that: A sloping plate (8) is fixed to the side of the lifting plate (4) away from the inspection opening, and two supporting legs (9) are fixed to the bottom end of the sloping plate (8).

5. The lifting device for a control cabinet according to claim 1, characterized in that: Two connection blocks (10) are fixed on both sides of the support (1), and a plurality of through holes are provided on the two connection blocks (10).

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