CN110277883A - A wire drawing device for motor maintenance - Google Patents

Abstract

The invention discloses a wire drawing device for motor maintenance, which includes a base, a support frame, a fixing mechanism, a wire clamp and a lifting mechanism. The upper surface of the base is provided with a plurality of chute slots, and the multi-section chute slots are evenly arranged on the center of the base. On the concentric circles, each section of chute extends along the normal direction of the concentric circles. The supporting frame is located above the base, and its lower end is fixedly connected with the base. The fixing mechanism is arranged on the top of the base, and it includes pull rods with the same number and corresponding positions as the chute. The lower ends of each pull rod are movably connected with the corresponding chute, and the upper ends are equipped with claws. The lifting mechanism is fixedly installed on the top of the support frame, and its movable end is connected with the wire clamp through a connecting piece. The invention is simple in structure, easy to operate, saves time and labor, has high safety, reduces the labor intensity of operators, saves labor costs, and improves the efficiency of thread drawing.

Description

A wire drawing device for motor maintenance

technical field

The invention relates to the technical field of mining equipment, in particular to a wire drawing device for motor maintenance.

Background technique

The damaged motor in the coal mine can be repaired independently. The enameled wire inside the damaged motor needs to be pulled out from the motor casing and replaced with a new enameled wire. Since the enameled wire is regularly wound in the motor, it is difficult to pull the enameled wire out of the motor as a whole. For the removal of enameled wires, hand-held wire cutters are often used to dismantle the enameled wires in the motor, and then use wire extraction pliers to pull out the enameled wires. Due to the limited internal space of the motor, the operation of dismantling and wire extraction is difficult, time-consuming and labor-intensive. Large, and the stitch removal efficiency is low. At present, there are a few coal mines that use wire-drawing equipment to draw wires from motors. The existing wire-drawing equipment is a complex horizontal structure with complicated operations, small work space, difficult operation, and it is impossible to observe the working conditions at any time. The wire hook is easy to unhook, and there is a safety hazard. Therefore, the prior art needs to be further developed.

Contents of the invention

In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a wire-drawing device for motor maintenance, which solves the problem that manual hand-held wire clamps are required to pull out the enameled wire for motor maintenance, which is time-consuming, labor-intensive, difficult to operate, and low-efficiency in wire removal. question.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:

A wire drawing device for motor maintenance, including a base, a support frame, a fixing mechanism, a wire clamp, and a lifting mechanism. The upper surface of the base is provided with multiple chute slots, and the multi-section chute slots are evenly arranged in concentric circles with the center of the base as the center. Above, each section of chute extends along the normal direction of the concentric circles. The support frame is located above the base, and its lower end is fixedly connected with the base. The fixing mechanism is arranged on the top of the base, and it includes pull rods with the same number and corresponding positions as the chute. The lower ends of each pull rod are movably connected with the corresponding chute, and the upper ends are equipped with claws. The lifting mechanism is fixedly installed on the top of the support frame, and its movable end is connected with the wire clamp through a connecting piece.

Preferably, the base is composed of sliding rails having the same number and corresponding positions as the sliding slots, and one end of each sliding rail is fixedly welded together. Each chute is opened in its corresponding slide rail, and the elongation direction of the slide rail is consistent with the extension direction of the corresponding chute.

Preferably, a slider is fixedly connected to the lower end of the pull rod, and the slider is slidably matched with the corresponding chute, and the bottom of the slider has a stopper. A sleeve is sheathed on the outer side of the upper part of the pull rod, and the sleeve is threadedly connected with the pull rod, and the claw is fixed into an integral structure with the outer wall of the sleeve.

Preferably, the support frame includes a top plate and a plurality of support rods, the upper ends of the plurality of support rods are fixedly connected to the top plate, and the lower ends are evenly arranged on a concentric circle centered on the center of the base, and the lower ends of each support rod are fixedly welded to the base, form a conical structure.

Preferably, the lifting mechanism is an electric hoist, the hook of the electric hoist is connected to the upper end of the connecting piece, the lower end of the connecting piece is connected to the wire clamp, and the electric hoist drives the wire clamp to rise and fall.

Preferably, the clamp is a parallel four-bar linkage structure, the two adjacent linkages located below extend to form clamping ends at the hinge of the lower end, the two clamping ends cooperate with each other, and the adjacent two adjacent linkages located above The connecting rod is rotatably connected with the lower end of the connecting piece at the hinge at the upper end.

Preferably, a handle is provided on one of the lower connecting rods, one end of the handle is fixedly connected to one side of the connecting rod, and the other end thereof extends along the direction opposite to the clamping end fixedly connected to the connecting rod.

Preferably, there are three slide rails, one end of each slide rail is welded together, and the angle between any two adjacent slide rails is 120°. There are three pull rods, and each pull rod is slidably connected with a corresponding slide rail.

Preferably, the connector is a rigid straight rod made of metal.

By adopting the above technical solution, the beneficial technical effects of the present invention are: the present invention has simple structure, easy operation, saves time and labor, has high safety, reduces the labor intensity of operators, saves labor costs, and improves the efficiency of wire drawing.

Description of drawings

Fig. 1 is a schematic diagram of the structure and principle of a wire drawing device for motor maintenance according to the present invention.

Fig. 2 is a schematic structural view of a part of the present invention in Fig. 1, showing a base and a fixing mechanism.

Fig. 3 is a structural schematic diagram of the cooperative relationship between the slide rail and the slider in the present invention.

Detailed ways

The present invention is described in detail below in conjunction with accompanying drawing:

Combining Figures 1 to 3, a wire drawing device for motor maintenance includes a base 1, a support frame 2, a fixing mechanism 3, a wire clamp 4 and a lifting mechanism. The upper surface of the base 1 is provided with three sections of chute 12, and multiple The chute 12 is evenly arranged on a concentric circle with the center of the base 1 as the center, and each section of the chute 12 extends along the normal direction of the concentric circle. The base 1 is composed of slide rails 11 fixedly connected with the same number and corresponding positions as the slide grooves 12, and one end of each slide rail 11 is fixedly welded together. There are three slide rails 11, one end of each slide rail 11 is welded together, and the angle between any two adjacent slide rails 11 is 120°. Each sliding slot 12 is opened in its corresponding sliding rail 11 , and the extending direction of the sliding rail 11 is consistent with the extending direction of the corresponding sliding slot 12 .

The support frame 2 is located above the base 1 , and its lower end is fixedly connected with the base 1 . Described support frame 2 comprises top plate 21 and three support rods 22, and three support rods 22 correspond to three slide rails up and down respectively, and the upper ends of three support rods 22 are fixedly welded together with the edge of top plate 21, and three support rods The welding points between the rods 22 and the top plate 21 are uniformly distributed in a ring shape, and the lower ends of the three supporting rods 22 are fixedly welded to the other ends of the corresponding slide rails 11 respectively, and the welding points between the three supporting rods 22 and the three sliding rails 11 are uniform. Arranged on a concentric circle with the center of the base 1 as the center, forming a rigid support with a conical structure.

The fixing mechanism 3 is arranged on the top of the base 1, and it includes pull rods 31 equal in number to the chute 12 and corresponding in position. Specifically, when the number of chute 12 is three, there are three pull rods 31, and each pull rod 31 is Arranged vertically, its lower end is slidingly matched with the corresponding slide rail 11 . The lower end of the pull bar 31 is fixedly connected with a slide block 32, the pull bar 31 is movably connected with the corresponding chute 12 through the slide block 32 positioned at its lower end, the slide block 32 is slidingly matched with the corresponding chute 12, and the bottom of the slide block 32 has The limiting part 321, the function of the limiting part 321 is to limit the up and down movement of the slider so that it can only move horizontally along the chute 12 .

The upper outer side of pull rod 31 is provided with sleeve 33, and described sleeve 33 is threadedly connected with pull rod 31, and rotating sleeve 33 can realize the position adjustment of sleeve 33 on pull rod 31, and the outer wall of sleeve 33 is provided with can hold. Hold the claw 34 of the motor casing, and one end of the claw 34 is fixedly welded with the outer wall of the corresponding sleeve to form an integral structure. When in use, place the motor vertically on the base 1, adjust the position of the pull rods 31 on the corresponding slide rails 11, make each pull rod 31 close to the motor casing, turn the sleeve 33 to adjust the height of the claws 34, so that the claws 34 will The motor casing is fixed on the slide rail 11, and the claw 34 is pressed against the upper end of the motor casing to limit the upward movement of the motor.

The lifting mechanism is fixedly installed on the top of the support frame 2, and the lifting mechanism can be preferably an electric hoist 5, and the movable end of the lifting mechanism is connected with the described clamp 4 through a connecting piece 51, and the connecting piece 51 is a rigid straight rod made of metal. Its upper end has the hook hole that links to each other with the suspension hook 52 of electric hoist 5. The hook 52 of the electric hoist 5 is hooked to the upper end of the connecting piece 51 , and the lower end of the connecting piece 51 is connected to the wire clamp 4 , and the electric hoist 5 drives the wire clamp 4 to rise and fall. The clamping pliers 4 is a parallel four-bar linkage structure. Two adjacent connecting rods 41 located below extend to form a clamping end 42 at the hinge of the lower end, and the two clamping ends 42 cooperate with each other. A connecting rod 44 is rotatably connected with the lower end of the connecting member 51 at the hinge at the upper end. One of the connecting rods 41 located below is provided with a handle 43, one end of the handle 43 is fixedly connected to one side of the connecting rod 41, and the other end is along the opposite side of the clamping end 42 fixedly connected to the connecting rod 41. direction extension.

During use, first fix the motor casing on the slide rail 11 according to the above method, adjust the height of the wire clamp 4 through the electric hoist 5, and use the handle 43 to make the two clamping ends 42 clamp the coil inside the motor casing, and the electric hoist 5 Lift the wire clamp 4 upwards, and the lifting force of the electric hoist 5 to the wire clamp 4 can make the two clamping ends 42 clamp the coil. When the lifting force is larger, the clamping force of the two clamping ends 42 on the coil also increases. The larger the size, the clamper 4 can pull the coil out from the inside of the motor casing by changing the clamping position of the coil by the clamp 4 .

Of course, the above descriptions are not intended to limit the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention shall also belong to the present invention. protection scope of the invention.

Claims (9)

1. A wire drawing device for motor maintenance, comprising a base, a support frame, a fixing mechanism, a wire clamp and a lifting mechanism, characterized in that, the upper surface of the base is provided with a multi-section chute, and the multi-section chute is evenly arranged on the base On the concentric circle with the center as the center, each section of chute extends along the normal direction of the concentric circle; the support frame is located above the base, and its lower end is fixedly connected with the base; the fixing mechanism is arranged above the base, which includes a The number of pull rods is equal and corresponding to the position, the lower end of each pull rod is connected to the corresponding chute, and the upper end is equipped with claws; the lifting mechanism is fixedly installed on the top of the support frame, and its movable end is connected with the wire clamp through a connecting piece. 2. A wire drawing device for motor maintenance according to claim 1, wherein the base is fixedly connected with slide rails having the same number as the chute and corresponding positions, and one end of each slide rail is fixedly welded together; Each chute is opened in its corresponding slide rail, and the elongation direction of the slide rail is consistent with the extension direction of the corresponding chute. 3. A wire drawing device for motor maintenance according to claim 1, characterized in that, the lower end of the pull rod is fixedly connected with a slider, the slider is slidably matched with the corresponding chute, and the bottom of the slider has a stopper ; The upper outer side of the pull rod is covered with a sleeve, the sleeve is threadedly connected with the pull rod, and the claw and the outer wall of the sleeve are fixed into an integral structure. 4. A wire drawing device for motor maintenance according to claim 1, wherein the support frame includes a top plate and a plurality of support rods, the upper ends of the plurality of support rods are fixedly connected to the top plate, and the lower ends are evenly arranged on the base On the concentric circle with the center as the center, the lower end of each support rod is fixedly welded to the base to form a conical structure. 5. A wire drawing device for motor maintenance according to claim 1, wherein the lifting mechanism is an electric hoist, the hook of the electric hoist is connected to the upper end of the connecting piece, and the lower end of the connecting piece is connected to the wire clamp , the electric hoist drives the clamp to rise and fall. 6. A wire drawing device for motor maintenance according to claim 1, wherein the wire clamp is a parallel four-bar linkage structure, and the adjacent two lower connecting rods extend at the hinge at the lower end to form a clamp. The two clamping ends cooperate with each other, and the two adjacent connecting rods located above are rotationally connected with the lower end of the connecting piece at the hinge of the upper end. 7. A wire drawing device for motor maintenance according to claim 6, wherein a handle is provided on one of the lower connecting rods, one end of the handle is fixedly connected to one side of the connecting rod, and the other end is along the It extends in the opposite direction to the clamping end fixedly connected with the connecting rod. 8. A wire drawing device for motor maintenance according to claim 2, wherein there are three slide rails, one end of each slide rail is welded together, and the angle between any two adjacent slide rails is 12° °; there are three pull rods, and each pull rod is slidably connected with a corresponding slide rail. 9. A wire drawing device for motor maintenance according to claim 1, characterized in that the connecting piece is a rigid straight rod made of metal.