CN215567716U

CN215567716U - Adjustable lead screw transmission device for power distribution

Info

Publication number: CN215567716U
Application number: CN202121588276.8U
Authority: CN
Inventors: 谢伟; 纪昌佳; 谢其明
Original assignee: Wuhan Chutian Jinming Technology Co ltd
Current assignee: Wuhan Chutian Jinming Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-18
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses an adjustable lead screw transmission device for power distribution, which comprises a bottom plate, wherein the lower surface of the bottom plate is symmetrically connected with a bracket, the lower surface of the bracket is rotationally connected with a roller, the upper surface of the bottom plate is symmetrically provided with a height adjusting hydraulic cylinder, and the telescopic end of the height adjusting hydraulic cylinder is fixedly connected with a fixed block. The screw rod is not rotated or slid, so that the processing and manufacturing of the screw rod are not limited by length, and the ultra-long distance transmission can be realized.

Description

Adjustable lead screw transmission device for power distribution

Technical Field

The utility model relates to the technical field of screw rod transmission, in particular to an adjustable screw rod transmission device for power distribution.

Background

Power distribution (power distribution) is a link in an electric power system that directly connects with and distributes electric energy to users. The power distribution system consists of a power distribution substation, a high-voltage distribution line, a power distribution transformer, a low-voltage distribution line and corresponding control protection equipment.

The transmission device is needed in the existing power distribution operation, the transmission modes are various, and the transmission device comprises a lead screw transmission, the lead screw transmission can convert the rotary motion output by a motor into the linear motion of a nut, so the application is wide, the lead screw transmission device is used, but the existing lead screw transmission mechanism adopts the motor to drive a screw rod to rotate, the screw rod is connected with the nut in a threaded manner to rotate and translate simultaneously when rotating, the length of the screw rod is not suitable to be overlong due to the fact that the screw rod needs to rotate, the middle part of the screw rod is easy to eccentrically rotate due to overlong, the nut is easy to shift, so that a moving platform driven by the nut is clamped, and the overlong distance transmission cannot be realized, so the urgent need to be improved; and current screw drive adopts single-rod drive usually, leads to stability not high and can't carry out the altitude mixture control.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable lead screw transmission device for power distribution, which is provided with a motor and a sliding seat, wherein the motor drives a driven wheel to rotate, so that the driven wheel and the sliding seat move along a lead screw to realize the movement of a moving platform, and the double lead screws are arranged to ensure the stability of the moving process, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an adjustable lead screw transmission device for power distribution comprises a bottom plate, wherein a support is symmetrically connected to the lower surface of the bottom plate, idler wheels are rotatably connected to the lower surface of the support, height adjusting hydraulic cylinders are symmetrically arranged on the upper surface of the bottom plate, telescopic ends of the height adjusting hydraulic cylinders are fixedly connected with fixed blocks, lead screws are fixedly connected between the fixed blocks, driven wheels are rotatably connected to the surfaces of the lead screws, connecting plates are fixedly connected to the surfaces of the fixed blocks, positioning rods are fixedly connected between the connecting plates and the connecting plates, sliding seats are slidably connected to the surfaces of the positioning rods, motors are fixedly arranged on the upper surfaces of the sliding seats, driving wheels are fixedly connected to output shafts of the motors, the driving wheels are in transmission connection with the driven wheels through belts, sliding plates are rotatably connected to the outer surfaces of the driven wheels, and fixed frames are fixedly connected between the sliding plates and the sliding seats, the surface of the sliding plate is provided with a fixed component.

Preferably, the fixing component comprises a supporting plate, a mounting plate, a pressing plate, a fixing bolt and a fixing nut, the upper surface of the sliding plate is fixedly connected with the supporting plate, and the upper surface of the supporting plate is fixedly connected with the mounting plate.

Preferably, the mounting plate upper surface symmetry is provided with fixing bolt, fixing bolt surface sliding connection has the clamp plate, the fixing bolt surface is located the clamp plate top and rotates and is connected with fixation nut.

Preferably, the hydraulic pump is fixedly installed on the upper surface of the bottom plate, the hydraulic pump is communicated with the cover degree adjusting hydraulic cylinder, and the adjusting switch used for controlling the height adjusting hydraulic cylinder to lift is fixedly installed on the upper surface of the bottom plate.

Preferably, the two groups of screw rods are arranged, the screw threads of the screw rods are in the same rotating direction, and the screw rods are fixedly connected to the middle positions of the surfaces of the fixed blocks.

Preferably, the belt is not in contact with the fixed frame, the sliding plate is not in contact with the belt, and the upper surface of the sliding plate is provided with a protective shell matched with the belt.

Preferably, the length of the mounting plate is the same as that of the pressing plate, and the upper surface of the mounting plate and the upper surface of the pressing plate are both provided with friction blocks in a matching manner.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the motor is arranged, when the rotary motion of the motor needs to be converted into linear motion, the motor is started to drive the driving wheel to rotate, the driving wheel drives the driven wheel connected with the driving wheel to rotate, and the driven wheel is in threaded connection with the screw rod, so that the driven wheel slides along the screw rod while rotating, and the sliding seat is driven to slide along the positioning rod, so that the sliding seat is driven, and in the sliding process of the sliding seat, the motor moves synchronously along with the driving wheel, the driven wheel and the sliding seat, and the screw rod is fixedly connected with the two fixed blocks, so that the screw rod is not rotated or slid, the screw rod is not limited by length in processing and manufacturing, and the ultra-long distance transmission can be realized;

2. the double-screw rod is arranged, so that the sliding seat can be more stable during movement and can be prevented from shifting, the cover degree adjusting hydraulic cylinder is arranged, the screw rod can move up and down, the height of the fixing assembly is controlled, and the problems that the stability is low and the height cannot be adjusted due to the fact that single-rod transmission is adopted in the existing screw rod transmission are solved.

Drawings

FIG. 1 is a schematic perspective view of an adjustable lead screw transmission device for power distribution according to the present invention;

FIG. 2 is a schematic perspective view of a sliding seat of an adjustable lead screw transmission device for power distribution according to the present invention;

FIG. 3 is a schematic diagram of a top view of an adjustable lead screw transmission for power distribution according to the present invention;

fig. 4 is a left side view structural diagram of an adjustable lead screw transmission device for power distribution according to the present invention.

In the figure: 1. a base plate; 2. a support; 3. a roller; 4. a height adjusting hydraulic cylinder; 5. a fixed block; 6. a screw rod; 7. a sliding plate; 8. a driven wheel; 9. a fixed mount; 10. a driving wheel; 11. a belt; 12. a fixing assembly; 1201. a support plate; 1202. mounting a plate; 1203. pressing a plate; 1204. fixing the bolt; 1205. fixing a nut; 13. positioning a rod; 14. a sliding seat; 15. a motor; 16. a hydraulic pump; 17. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an adjustable lead screw transmission device for power distribution comprises a bottom plate 1, wherein a support 2 is symmetrically connected to the lower surface of the bottom plate 1, a roller 3 is rotatably connected to the lower surface of the support 2, a height adjusting hydraulic cylinder 4 is symmetrically arranged on the upper surface of the bottom plate 1, a fixed block 5 is fixedly connected to the telescopic end of the height adjusting hydraulic cylinder 4, a lead screw 6 is fixedly connected between the fixed block 5 and the fixed block 5, a driven wheel 8 is rotatably connected to the surface of the lead screw 6, a connecting plate 17 is fixedly connected to the surface of the fixed block 5, a positioning rod 13 is fixedly connected between the connecting plate 17 and the connecting plate 17, a sliding seat 14 is slidably connected to the surface of the positioning rod 13, a motor 15 is fixedly arranged on the upper surface of the sliding seat 14, an output shaft end of the motor 15 is fixedly connected with a driving wheel 10, the driving wheel 10 is in transmission connection with the driven wheel 8 through a belt 11, a sliding plate 7 is rotatably connected to the outer surface of the driven wheel 8, and a fixed frame 9 is fixedly connected between the sliding plate 7 and the sliding seat 14, the surface of the sliding plate 7 is provided with a fixed component 12. The roller 3 can facilitate the movement of the device, thereby increasing the convenience.

The fixing assembly 12 includes a support plate 1201, a mounting plate 1202, a pressure plate 1203, a fixing bolt 1204 and a fixing nut 1205, the support plate 1201 is fixedly connected to the upper surface of the sliding plate 7, and the mounting plate 1202 is fixedly connected to the upper surface of the support plate 1201.

The mounting plate 1202 is provided with fixing bolts 1204 on the upper surface, and fixing bolts 1204 are connected with clamp plate 1203 in surface sliding, and fixing nuts 1205 are connected to the surface of fixing bolts 1204 above clamp plate 1203 in the rotation.

The hydraulic pump 16 is fixedly installed on the upper surface of the bottom plate 1, the hydraulic pump 16 is communicated with the height adjusting hydraulic cylinder 4, and the adjusting switch used for controlling the height adjusting hydraulic cylinder 4 to ascend and descend is fixedly installed on the upper surface of the bottom plate 1. The height adjustment cylinder 4 can fix the height of the assembly 12, thereby facilitating the fixing of the article.

The lead screw 6 is provided with two sets of altogether, and 6 screw thread direction of rotation of lead screw is the same, and lead screw 6 fixed connection is in 5 surperficial positions in the middle of the fixed block.

The belt 11 is not contacted with the fixed frame 9, the sliding plate 7 is not contacted with the belt 11, and the upper surface of the sliding plate 7 is provided with a protective shell matched with the belt 11. The length of the mounting plate 1202 is the same as that of the pressure plate 1203, and the upper surface of the mounting plate 1202 and the upper surface of the pressure plate 1203 are both provided with friction blocks in a matching manner. The friction block is arranged as a rubber block, so that the friction force can be increased. The fastening nut 1205 is rotated to allow the fastening nut 1205 to move downward, thereby applying a downward force to the pressure plate 1203 to secure the object by the cooperation of the pressure plate 1203 and the mounting plate 1202. Allowing the stationary object to move as the stationary assembly 12 moves.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable lead screw transmission for distribution, includes bottom plate (1), its characterized in that: the device is characterized in that a support (2) is symmetrically connected to the lower surface of the bottom plate (1), idler wheels (3) are rotatably connected to the lower surface of the support (2), height adjusting hydraulic cylinders (4) are symmetrically arranged on the upper surface of the bottom plate (1), a fixing block (5) is fixedly connected to the telescopic ends of the height adjusting hydraulic cylinders (4), a lead screw (6) is fixedly connected between the fixing block (5) and the fixing block (5), a driven wheel (8) is rotatably connected to the surface of the lead screw (6), a connecting plate (17) is fixedly connected to the surface of the fixing block (5), a positioning rod (13) is fixedly connected between the connecting plate (17) and the connecting plate (17), a sliding seat (14) is slidably connected to the surface of the positioning rod (13), a motor (15) is fixedly installed on the upper surface of the sliding seat (14), and a driving wheel (10) is fixedly connected to the output shaft of the motor (15), the driving wheel (10) is in transmission connection with the driven wheel (8) through a belt (11), the outer surface of the driven wheel (8) is rotatably connected with a sliding plate (7), a fixing frame (9) is fixedly connected between the sliding plate (7) and a sliding seat (14), and a fixing component (12) is arranged on the surface of the sliding plate (7).

2. The adjustable lead screw drive for electrical distribution of claim 1, wherein: the fixing component (12) comprises a supporting plate (1201), a mounting plate (1202), a pressing plate (1203), a fixing bolt (1204) and a fixing nut (1205), the supporting plate (1201) is fixedly connected to the upper surface of the sliding plate (7), and the mounting plate (1202) is fixedly connected to the upper surface of the supporting plate (1201).

3. The adjustable lead screw drive for electrical distribution of claim 2, wherein: the mounting panel (1202) upper surface symmetry is provided with fixing bolt (1204), fixing bolt (1204) surperficial sliding connection has clamp plate (1203), fixing bolt (1204) surface is located clamp plate (1203) top and rotates and be connected with fixation nut (1205).

4. The adjustable lead screw drive for electrical distribution of claim 3, wherein: fixed surface installs hydraulic pump (16) on bottom plate (1), hydraulic pump (16) and cover degree adjusting hydraulic cylinder (4) intercommunication, fixed surface installs the regulating switch who is used for controlling altitude mixture control pneumatic cylinder (4) to go up and down on bottom plate (1).

5. The adjustable lead screw drive for electrical distribution of claim 1, wherein: the screw rods (6) are arranged in two groups, the screw threads of the screw rods (6) are in the same rotating direction, and the screw rods (6) are fixedly connected to the surface center positions of the fixing blocks (5).

6. The adjustable lead screw drive for electrical distribution of claim 5, wherein: the belt (11) is not in contact with the fixed frame (9), the sliding plate (7) is not in contact with the belt (11), and a protective shell matched with the belt (11) is arranged on the upper surface of the sliding plate (7).

7. The adjustable lead screw drive for electrical distribution of claim 2, wherein: the mounting plate (1202) is the same as the pressing plate (1203) in length, and friction blocks are arranged on the upper surface of the mounting plate (1202) and the upper surface of the pressing plate (1203) in a matched mode.