CN209912754U - Slow-separating and slow-closing tool of electric spring control mechanism - Google Patents

Abstract

The utility model relates to a slow-separating and slow-closing tool of an electric spring control mechanism, which comprises a bracket, a self-telescoping mechanism, a main shaft inserted on the bracket and a crank arm rotationally connected on the main shaft, wherein the self-telescoping mechanism comprises a spring seat articulated with the bracket, a sleeve and a spring inserted with the spring seat, two ends of the spring are respectively propped against the spring seat and the sleeve, the sleeve is articulated with the crank arm through a pin shaft a, the main shaft is fixedly connected with a limiting part, two ends of the limiting part are arranged on the track of the pin shaft a, the main shaft is rotationally connected with a driving wheel, the side surface of the driving wheel is provided with an arc-shaped groove adaptive to the pin shaft a, one end of the pin shaft a is inserted into the arc-shaped groove and can rotate for a certain angle along the arc-shaped groove, a fixed block is arranged in the arc-shaped groove, the pin shaft a is fixed at one end of, thereby rotating the main shaft.

Description

Slow-separating and slow-closing tool of electric spring control mechanism

Technical Field

The utility model relates to a power equipment field specifically indicates an electric spring operating mechanism's slow-separating closes frock slowly.

Background

The electric spring mechanism drives the main shaft to rotate through the compression and the release of the spring, so that the self function of the mechanism is realized. In the prior art, when an operator manually operates a spring mechanism under the condition that the mechanism is not known, the energy released after the spring is pressed is higher, and the process of releasing the energy by the spring is a process of rotating around a point, so that the operator is easily injured by mistake, and the electric network in the south clearly shows that a slow-breaking and slow-closing tool is required to be arranged in the manual operation of the electric spring mechanism in 56 pieces of differential carding of GIS equipment new specifications.

Disclosure of Invention

In order to meet the requirements in the southern power grid '56 GIS equipment new specification difference carding' and improve the safety and stability of the mechanism, a slow opening and closing tool of an electric spring control mechanism is designed.

The utility model discloses a through following technical scheme realizes, provides an electric spring operating mechanism's slow speed divides slow closing frock, include the support, from telescopic machanism, alternate main shaft and the swivelling joint of epaxial turning arm on the support, include from telescopic machanism with support articulated spring holder, sleeve and spring of pegging graft with the spring holder, the both ends of spring push up respectively on spring holder and sleeve, the sleeve is articulated with the turning arm through round pin axle an, the rigid coupling has the locating part on the main shaft of turning arm one side, the both ends setting of locating part is on the orbit of round pin axle an, and swivelling joint has the drive wheel on the main shaft of turning arm opposite side, and open the side of drive wheel has the arc wall with round pin axle an adaptation, is equipped with in the arc wall and can fix round pin axle a at arc wall one end. In the scheme, the driving wheel can rotate freely on the main shaft, the side face of the driving wheel is provided with an arc-shaped groove matched with the pin shaft a, one end of the pin shaft a is inserted into the arc-shaped groove and can rotate by a certain angle along the arc-shaped groove, a fixing block is arranged in the arc-shaped groove, the fixing block fixes the pin shaft a at one end of the arc-shaped groove, the driving wheel can drive the pin shaft a to rotate around the main shaft when rotating, the pin shaft a can drive the self-telescopic mechanism to stretch out and draw back when rotating around the main shaft, the middle part of the limiting part is fixedly connected with the main shaft, and when the pin shaft a rotates around.

Preferably, the driving wheel is a worm wheel, and the support is provided with a worm meshed with the driving wheel. The drive wheel is the worm wheel among this scheme, is equipped with the worm with drive wheel meshing on the support, because the reduction ratio between the turbine worm is very big, and operating personnel can drive the rotation of drive wheel through rotatory worm, has reduced the rotatory moment of torsion of manual control drive wheel, is convenient for control the rotatory speed of drive wheel.

Preferably, the worm is provided with a bevel gear b, the bracket is rotatably connected with a bevel gear a meshed with the bevel gear b, and the section of an inner ring of the bevel gear a is square. In the scheme, the worm is provided with the bevel gear b, the bracket is rotatably connected with the bevel gear a meshed with the bevel gear b, the bevel gear b can be driven to rotate by rotating the bevel gear a, so that the worm is driven to rotate, the section of the inner ring of the bevel gear a is square, and an operator can insert a manual tool with a square shaft into the bevel gear a to drive the bevel gear a to rotate.

Preferably, one end of the fixing block is an arc surface matched with the pin shaft a. One end of the fixing block in the scheme is an arc surface matched with the pin shaft a, and the pin shaft a can be wrapped between the fixing block and the arc groove in the driving wheel by the arc surface and cannot be separated from the arc groove.

Preferably, a plurality of threaded holes are formed in the side face of the arc-shaped groove, and round holes matched with the threaded holes are formed in the fixing block. In this scheme open the arc wall side has a plurality of screw holes, open on the fixed block have with the round hole of screw hole adaptation, can fix the fixed block on the arc wall through the bolt.

Preferably, two buffers matched with the limiting pieces are mounted on the support. Two buffers with the locating part adaptation are equipped with on this scheme middle support, and the buffer is installed at the locating part both ends of round pin axle an opposite one side, when round pin axle a promoted the locating part and rotate to the position, stops after the locating part runs into the buffer, can play the cushioning effect, prevents that the locating part from striking the buffer fast and the damage that causes.

The utility model has the advantages that: the utility model discloses an arc wall drive round pin axle a of the side of drive wheel is rotatory, and round pin axle a can drive the locating part rotatory to the drive main shaft is rotatory, will sell axle a through the fixed block and fix the one end at the arc wall, makes round pin axle a follow the fixing base and together rotate, thereby realizes the effect that closes slowly, the utility model discloses work safety is used stably, accidentally injures operating personnel when can avoiding manual operation spring mechanism.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the driving wheel structure of the present invention;

FIG. 4 is a schematic view of the fixing block structure of the present invention;

FIG. 5 is a schematic view of the structure of the utility model in use;

FIG. 6 is a schematic view of another structure of the present invention in use;

shown in the figure:

1. bevel gears a, 2, bevel gears b, 3, a worm, 4, a worm support, 5, a limiting piece, 6, a driving wheel, 7, a crank arm, 8, pin shafts a, 9, a sleeve, 10, a spring seat, 11, pin shafts b, 12, springs, 13, a main shaft, 14, a fixing block, 15, a buffer, 16 and a support.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in fig. 1-6, the utility model discloses a slow-separating slow-closing tool of electric spring control mechanism, including support 16 and main shaft 13, main shaft 13 passes support 16 and rotates on support 16, is equipped with self-lubricating axle sleeve or bearing between main shaft 13 and the support 16 to play lubricated and reduce frictional effect.

A crank arm 7 is sleeved on the main shaft 13, the crank arm 7 can freely rotate around the main shaft 13, and one end of the crank arm 7, which is far away from the main shaft 13, is hinged with one end of the sleeve 9 through a pin shaft a 8; the pin a8 passes through the sleeve 9 and the crank arm 7 and extends towards the two ends.

The other end of the sleeve 9 is inserted into the spring seat 10, the spring seat 10 is sleeved on the pin b11 and can rotate along the pin b11, the pin b11 is inserted into the fixing plate on the bracket 16, shaft elastic check rings are arranged at two ends of the pin b 3526 to prevent the pin b11 from moving axially, baffle plates are arranged on the spring seat 10 and the sleeve 9, and the spring 12 is arranged between the baffle plates.

The main shaft 13 on one side of the crank arm 7 is connected with the limiting piece 5, the limiting piece 5 is a long strip-shaped plate, the middle position is fixed on the main shaft 13 through a flat key, when the crank arm 7 rotates clockwise or anticlockwise, one end side face of the pin shaft a8 on the crank arm 7 impacts one end of the limiting piece 5, so that the limiting piece 5 is driven to rotate, and the limiting piece 5 rotates to drive the main shaft 13 to rotate. The two buffers 15 are mounted on the bracket 16, and the two buffers 15 are disposed on one side of the limiting member 5 away from the pin a8, and respectively correspond to the upper end and the lower end of the limiting member 5, and are used as stop limits after the limiting member 5 rotates, so as to play a role in buffering.

The cover has drive wheel 6 on the main shaft 13 of connecting lever 7 opposite side, drive wheel 6 can be free rotation on main shaft 13, open the side of drive wheel 6 has the arc wall, the other end of round pin axle a8 inserts in the arc wall and can follow the arc wall rotation on connecting lever 7, the both ends shape and the laminating of round pin axle a8 of arc wall, it has 2 screw holes to open on the side of arc wall, fixed block 14 is equipped with in the arc wall, it has 2 round holes that correspond with arc wall side screw hole to open on fixed block 14, two round holes pass through the bolt and link to each other with the screw hole of arc wall side, thereby fix fixed block 14 in the arc wall, fixed block 14 is the arc-shaped piece, the side is laminated with the arc wall, a terminal surface of fixed block 14 is the arc, and can laminate with round pin.

The driving wheel 6 is a worm wheel, the outer circumferential surface of the driving wheel is meshed with the worm 3, the worm 3 is arranged on a worm support 4, the worm support 4 is fixed on a support 16 through bolts, a round hole is formed in the support 16, a rotatable bevel gear a1 is arranged in the round hole, the central hole of the bevel gear a1 is square, the bevel gear a1 can be driven to rotate through a manual tool with a square shaft, a bevel gear b2 is arranged at one end of the worm 3, and the bevel gear b2 is meshed with the bevel gear a 1.

The utility model discloses a use method: when the main shaft 13 is connected with a switch and the brake is opened, as shown in fig. 1-6, a manual tool is inserted into a square hole in a bevel gear a1, the manual tool is rotated clockwise, as the bevel gear a1 is meshed with a bevel gear b2, the bevel gear b2 drives a worm 3 to rotate, the worm 3 drives a driving wheel 6 to rotate anticlockwise, as a pin shaft a8 is inserted into an arc-shaped groove of the driving wheel 6, a pin shaft a8 rotates anticlockwise around the main shaft 13, a spring 12 is compressed, when the spring 12 is compressed to be horizontal, as shown in fig. 5, the spring 12 reaches the maximum compression amount, as the driving wheel 6 continues to rotate, the pin shaft a8 is pressed against the arc-shaped surface of a fixed block 14, as the worm 3 is meshed with the driving wheel 6, the spring 12 is slowly released along with the rotation of the driving wheel 6, after contacting with a limiting member 5, the limiting member 5 is slowly pushed to rotate, as shown in fig. 6, when the opening position is reached, the stopper 5 abuts on the buffer 15. The closing action direction is opposite, and the same principle can be obtained.

When the slow-opening and slow-closing are not needed, only the fixing block 14 needs to be detached, at the moment, the brake-opening operation is similar to the operation, the difference is that after the spring 12 is compressed to be horizontal, along with the continuous rotation of the driving wheel 6, due to the fact that the fixing block 14 does not exist, the spring 12 extends rapidly due to the energy release of the spring 12, the pin shaft a8 is driven to rotate rapidly along the arc-shaped groove on the side face of the driving wheel 6, meanwhile, the limiting part 5 is impacted, the main shaft 13 is enabled to rotate rapidly, the brake is opened rapidly, and the limiting part 5.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims (6)

1. The utility model provides an electric spring operating mechanism's slow-separating slow-closing frock which characterized in that: comprises a bracket (16), a self-telescoping mechanism, a main shaft (13) inserted on the bracket (16) and a crank arm (7) rotationally connected on the main shaft (13), from telescopic machanism include with support (16) articulated spring holder (10), sleeve (9) and spring (12) of pegging graft with spring holder (10), the both ends of spring (12) push up respectively on spring holder (10) and sleeve (9), sleeve (9) are articulated with crank arm (7) through round pin axle a (8), the rigid coupling has locating part (5) on main shaft (13) of crank arm (7) one side, the both ends setting of locating part (5) is on the orbit of round pin axle a (8), swivelling joint has drive wheel (6) on main shaft (13) of crank arm (7) opposite side, open the side of drive wheel (6) has the arc wall with round pin axle a (8) adaptation, be equipped with in the arc wall and fix block (14) in arc wall one end with round pin axle a (8).

2. The slow-separating and slow-closing tool of the electric spring operating mechanism according to claim 1, wherein: the driving wheel (6) is a worm wheel, and the support (16) is provided with a worm (3) meshed with the driving wheel (6).

3. The slow-separating and slow-closing tool of the electric spring operating mechanism according to claim 2, wherein: the worm (3) is fixedly connected with a bevel gear b (2), the support (16) is rotatably connected with a bevel gear a (1) meshed with the bevel gear b (2), and the section of the inner ring of the bevel gear a (1) is square.

4. The slow-separating and slow-closing tool of the electric spring operating mechanism according to claim 1, wherein: one end of the fixed block (14) is an arc surface matched with the pin shaft a (8).

5. The slow-separating and slow-closing tool of the electric spring operating mechanism according to claim 4, wherein: a plurality of threaded holes are formed in the side face of the arc-shaped groove, and round holes matched with the threaded holes are formed in the fixing block (14).

6. The slow-separating and slow-closing tool of the electric spring operating mechanism according to claim 1, wherein: two buffers (15) matched with the limiting pieces (5) are arranged on the support (16).

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