CN201025682Y - Motor brake deflector rod device - Google Patents

Abstract

A motor brake deflector rod device is provided with a motor, wherein the top surface of the motor is provided with an electromagnetic driver with a brake pressure plate at the bottom, a brake pad connected with a motor mandrel is arranged between the brake pressure plate and the top surface of the motor, the electromagnetic driver is also provided with a deflector rod for releasing the action of the brake pad, the top surface of the motor is pivoted with a supporting column, the top surface of the motor forms an annular top-scale inclined plane with the height from low to high, and the top-scale inclined plane is abutted against the deflector rod; when the motor is shut down and the brake block needs to be released to rotate the mandrel, the top bracing column is rotated to push the higher position of the top weighing inclined plane to lean on the pulling rod to move upwards and release the brake block, because the utility model discloses the application of force does not need to last during the operation, consequently can the person of facilitating the use overhaul the motor effortlessly, reach the efficiency of facilitating the use.

Description

Motor brake lever device

technical field

The utility model relates to a motor brake structure, in particular to a motor brake lever device which is convenient for manually releasing the motor for maintenance.

Background technique

In order to prevent the spindle from rotating freely when the motor is stopped, an electromagnetic brake device is installed on the motor, and the motor is braked by the electromagnetic brake device so that the spindle will not rotate when the motor is stopped. However, due to the need to rotate the spindle when the motor is overhauled, the electromagnetic brake device is provided with a structure for manually releasing the motor spindle when the motor is stopped, so that the motor can be operated without disassembling the motor brake device during maintenance.

Please refer to Fig. 6, a kind of motor brake device shown in the figure, it is provided with a motor 40 and an electromagnetic brake device 50 installed in the motor 40, wherein:

The electromagnetic brake device 50 is provided with an assembly surface 41 at the top, and a brake pad 42 connected with the motor 40 spindle is provided above the assembly surface 41; And a recess 511 is respectively provided on opposite sides, and a brake pressure plate 54 that can advance and retreat toward the brake pad 42 and is used for braking is provided at the bottom of the electromagnetic driver 51, and a ㄇ-shaped trigger lever 52 is provided against each recess 511 to pull The two ends of the moving rod 52 abut against each of the recesses 511 and respectively extend downwards to a pull rod 53 pierced on both sides of the electromagnetic driver 51, and an action is set in the middle of the pulling rod 52 and stretched outwards. Rod 55.

When the motor 40 stops and needs to be overhauled, the actuating lever 55 is pulled upward, so that the lever 52 pulls the brake pressure plate 54 upward through the pull rods 53 on both sides with leverage, so that the brake pressure plate 54 leaves and releases the brake pads 42, whereby the brake pad 42 and the spindle of the motor can be rotated, thereby performing maintenance operations.

Although the above structure can achieve the effect of releasing the spindle when the motor 40 is stopped, the pull rod 53 needs to be continuously pulled upwards to keep the brake pressure plate 54 away from the brake pad 42 during operation. Therefore, the operation of causing maintenance is inconvenient, and the laborious positioning method also makes it difficult to implement.

Contents of the invention

The main purpose of this utility model is to overcome the shortcomings of the existing motor brake device that the operating lever needs to be continuously pulled outward during motor maintenance, which causes inconvenient maintenance and difficult operation, and provides a motor brake lever device with a new structure , the technical problem to be solved is to make it convenient to manually release the motor, so that it is more suitable for practical use.

In order to achieve the above object, the utility model provides a motor brake lever device, which includes a motor, an electromagnetic brake device mounted on the motor, and a support mounted on the motor and against one side of the electromagnetic brake device construct, where:

The motor is provided with a motor body, the motor body forms an assembly surface on the outside of one end, and a mandrel is passed through the axis of the motor body, and one end of the mandrel passes through the assembly surface vertically and a brake is combined at the end piece;

The electromagnetic brake device is provided with an electromagnetic driver, the electromagnetic driver is located on the disc body outside the brake pad, and a brake pressure plate is provided on the side facing the brake pad, and a groove is recessed on the opposite sides of the brake pressure plate on the periphery. A perforation is respectively perforated corresponding to each groove on the opposite sides around the electromagnetic driver, and a plurality of legs are extended around the electromagnetic driver toward the assembly surface, and each leg is combined with the assembly surface. There is a trigger rod against the peripheral edge. The trigger rod is a ㄇ-shaped rod body and forms an abutment head at both ends. Each abutment head is located outside each perforation and a pull rod is extended toward each perforation. Each pull rod passes through Each perforation and the groove of the brake pressure plate are combined with a pull block at the free end, and each pull block is pressed against the periphery of each groove, and the trigger lever forms a top support head in the middle;

The support structure is provided with a support column, the bottom of the support column is pivoted on the assembly surface in a rotatable form and is located below the middle part of the trigger lever, and the support column forms a ring shape around the top. And the height is from low to high top support slope, with the top support slope against the top support head, and vertically extend an action rod on the peripheral surface of the top support column.

Further, the utility model protrudes a stopper part upwards at the position between the high and low sides of the propping slope, and the stopper part forms a high-side stop surface towards the side of the higher part of the propping slope, and in this direction A lower side of the propping inclined surface forms a low-side stop surface, and the high-side stop surface and the low-side stop surface cooperate to abut against the side surface of the trigger lever.

Furthermore, in the utility model, a pivoting screw hole is provided on the assembling surface in cooperation with the top support column. A circular groove is recessed on the top of the top support column, and a pivot hole is formed in the middle of the bottom of the circular groove. The top support column is connected to the bottom A pivoting screw hole is provided against the assembling surface, and a pivoting bolt is arranged in the circular groove, and the pivoting bolt pivots through the pivot hole and is screw-locked in the pivoting screw hole.

Preferably, the trigger rod forms a jacking head in the middle, and the jacking column leans against the jacking head with the jacking slope.

In the utility model, when the motor stops, the brake pressure plate will descend to clamp the brake pads, so that the mandrel connected to the brake pads will be braked and stop rotating. At this time, if you want to rotate the mandrel and overhaul the motor, you can manually use the support structure. The brake pads are released to allow the spindle to rotate.

When the top support structure is used, turn the action lever to the left to rotate the top support column, thereby, use the higher position of the top support slope to press against the trigger lever, because the end of each abutting head is against the peripheral edge of each perforation Therefore, when the outer side of the lever is lifted, leverage will be generated, and each lever will be pivoted upward, so that the pull block combined with the bottom end of each lever will move upward and the brake pressure plate will be lifted upward, so that the brake pressure plate will be tightly against At the bottom of the electromagnetic drive, thereby temporarily releasing the brake pads, the spindle can be rotated to provide maintenance operations.

Since the utility model leans against the trigger lever with the top inclined surface of the top support column facing upwards, turning the top support column can keep the trigger lever in the state of being pulled upward continuously, or return the trigger lever to its original position, thereby , when the top support column leans against the outer side of the trigger lever and reaches the position upward, there is no need to continue to force the trigger lever by hand, so that the user can use both hands to check the motor, which saves effort and is easy to use. effect.

The above description is only an overview of the technical solutions of the present utility model. In order to better understand the technical means of the present utility model, it can be implemented according to the contents of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present utility model better It is obvious and easy to understand. The preferred embodiments are specifically cited below, together with the accompanying drawings, and detailed descriptions are as follows.

Description of drawings

Fig. 1 is an exploded view of a preferred embodiment of the utility model.

Fig. 2 is a perspective view of a preferred embodiment of the utility model.

Fig. 3 is a top view of a preferred embodiment of the utility model.

Fig. 4 is a perspective view of a preferred embodiment of the utility model after rotating the operating rod.

Fig. 5 is a cross-sectional view of a preferred embodiment of the utility model after rotating the operating rod.

Fig. 6 is a side view schematic diagram of the existing motor braking device.

10: Motor 11: Motor body

12: Assembly surface 121: Friction part

122: Pivot screw hole 13: Mandrel

14: Brake pad 20: Electromagnetic brake device

21: Electromagnetic driver 211: Recess

212: against the plane 213: perforation

22: Brake pressure plate 221: Groove

23: Foot 24: Toggle lever

241: against the head 2411: countersunk hole

242: Top support head 25: Bolt

26: Nut 30: Top support structure

31: Top support column 311: Round groove

312: Pivot hole 313: Combined screw hole

314: Top support slope 315: Block part

3151: High side stop surface 3152: Low side stop surface

32: Pivot bolt 33: Action lever

40: Motor 41: Assembly surface

42: Brake pad 50: Electromagnetic brake device

51: Electromagnetic driver 511: Recess

52: Pull lever 53: Pull rod

54: Brake pressure plate 55: Action lever

Detailed ways

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the invention, the specific implementation, structure and characteristics of the motor brake lever device proposed according to the utility model will be described below in conjunction with the accompanying drawings and preferred embodiments. And its effect, detailed description is as follows.

The utility model is a motor brake lever device, please refer to the preferred embodiment of Fig. 1 to Fig. 3 and Fig. 5, which includes a motor 10, an electromagnetic brake device 20 mounted on the motor 10, and a device The supporting structure 30 on the side of the motor 10 and against the electromagnetic brake device 20, wherein:

The motor 10 is provided with a motor body 11. The motor body 11 is a vertical cylinder and forms an assembly surface 12 at the top of the outside. The middle part of the assembly surface 12 forms a high and circular friction part 121. A pivoting screw hole 122 is provided on the lower side of the periphery, and a vertically arranged mandrel 13 is provided at the axial center of the motor body 11. The top of the mandrel 13 passes through the center of the friction part 121 of the assembly surface 12 vertically upwards. A brake pad 14 is sheathed concentrically on the part of the end adjacent to the friction portion 121 . The brake pad 14 is parallel to the circular body of the friction portion 121 and has a diameter smaller than that of the friction portion 121 .

Electromagnetic braking device 20 is provided with an electromagnetic driver 21, and electromagnetic driver 21 is the disk body of annular shape, and it is sleeved on the top of mandrel 13 and is positioned at the top of brake pad 14, on the bottom side of electromagnetic driver 21 towards brake pad 14 Combined with a ring-shaped brake pressure plate 22, the brake pressure plate 22 is driven by the electromagnetic driver 21 to move up and down, and a U-shaped groove 221 is recessed on the opposite left and right sides of the brake pressure plate 22;

A recess 211 is recessed on the top side of the left and right sides around the electromagnetic driver 21, and an abutment plane 212 parallel to the assembly surface 12 is formed in each recess, and each abutment plane 212 corresponds to each groove 221 and is respectively pierced. A perforation 213, around the electromagnetic driver 21 and fixed three legs 23 at equal intervals, the bottom end of each leg 23 stretches towards the friction portion 121 of the assembly surface 12, so that each leg 23 is combined with the assembly surface 12 for friction around the part 121, so that the brake pad 14 is arranged between the friction part 121 and the brake pressure plate 22;

At the peripheral edge of each perforation 213 top, a trigger rod 24 is arranged against it. The trigger rod 24 is a horizontally arranged ㄇ-shaped rod body. The trigger rod 24 forms a relatively large abutment head 241 at both ends. A ring-shaped support head 242 is formed in the middle, and each abutment head 241 is a rectangular block and leans against each perforation 213. A countersink 2411 is perforated in each abutment head 241 corresponding to each perforation 213. The countersunk hole 2411 is pierced with a bolt 25 as a pull rod, and the bottom ends of each bolt 25 respectively pass through each perforation 213 and the groove 221 of the brake pressure plate 22, and the free ends of the bottom ends of each bolt 25 are screwed together as a pull block. The top edge of each nut 26 abuts against the peripheral edge of each groove 221 .

The top support structure 30 is provided with a top support column 31, the top support column 31 is a circular cylinder and a circular groove 311 is recessed at the top, and a pivot hole 312 is set in the middle of the bottom of the circular groove 311. A combination screw hole 313 is provided on the peripheral surface and vertically inwardly. The top support column 31 leans against the assembly surface 12 with the bottom to be provided with a pivot screw hole 122, and a pivot bolt 32 is arranged in the circular groove 311. The pivot bolt 32 pivots through the pivot hole 312 and is screwed into the pivot screw hole 122, whereby the top support column 31 is pivotally installed on the assembly surface 12 in a self-rotating state and is located below the middle part of the trigger lever 24;

Form a ring-shaped top support slope 314 around the top of the top support column 31, the height of the top support slope 314 is from low to high, and a stopper portion 315 protrudes upwards at the position between the high and low, and is positioned at the stopper. Part 315 forms a high-side stop surface 3151 toward the side of the higher side of the top brace slope 314, and forms a low-side stop surface 3152 toward the lower side of the top brace slope 314. The lower position of the inclined surface 314 abuts against the top support head 242 of the trigger lever 24 , and the low side stop surface 3152 of the stopper part 315 abuts against the outer surface of the right part of the top support head 242 ;

An actuating rod 33 extending vertically outward is screwed to the combined screw hole 313 of the top supporting column 31 .

Please refer to Fig. 4 and Fig. 5, the timing of using the supporting structure 30 of the present utility model is to use it under the situation that the motor 10 is stopped. At this time, the brake pressure plate 22 descends and clamps the brake pad 14 together with the friction part 121, so that the mandrel 13 brakes. And stop rotating, when in use, turn this actuation bar 33 to the left, make the supporting post 31 rotate clockwise and move up against the supporting head 242 of the pulling lever 24 with the higher position of the supporting inclined surface 314 , at the same time, the high-side stop surface 3151 of the block portion 315 abuts against the outer surface of the prop head 242 to achieve a positioning effect.

Thereby, the support column 31 pushes the middle part of the trigger lever 24 upwards, and the end of each abutment head 241 abuts against each abutment plane 212 to generate a leverage effect to pull each bolt 25 upwards and pivot, so that The nut 26 combined with the bottom end of each bolt 25 moves upward and lifts the brake pressure plate 22 upwards, so that the brake pressure plate 22 is tightly against the bottom of the electromagnetic driver 21, thereby releasing the brake pad 14 temporarily, so that the mandrel 13 can rotate and Provide maintenance operations.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those skilled in the art can use the technical content disclosed above to make some changes or modify them into equivalent embodiments without departing from the technical solution of the present utility model. Content, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (5)

1. A motor brake lever device, characterized in that it comprises a motor, an electromagnetic braking device mounted on the motor, and a supporting structure mounted on the motor and against one side of the electromagnetic braking device, in: The motor is provided with a motor body, the motor body forms an assembly surface on the outside of one end, and a mandrel is passed through the axis of the motor body, and one end of the mandrel passes through the assembly surface vertically and a brake is combined at the end piece; The electromagnetic brake device is provided with an electromagnetic driver, the electromagnetic driver is located on the disc body outside the brake pad, and a brake pressure plate is provided on the side facing the brake pad, and a groove is recessed on the opposite sides of the brake pressure plate on the periphery. A perforation is respectively perforated corresponding to each groove on the opposite sides around the electromagnetic driver, and a plurality of legs are extended around the electromagnetic driver toward the assembly surface, and each leg is combined with the assembly surface. There is a trigger rod against the peripheral edge. The trigger rod is a ㄇ-shaped rod body and forms an abutment head at both ends. Each abutment head is located outside each perforation and a pull rod is extended toward each perforation. Each pull rod passes through Each perforation and the groove of the brake pressure plate are combined with a pull block at the free end, and each pull block leans against the periphery of each groove; The support structure is provided with a support column, the bottom of the support column is pivoted on the assembly surface in a rotatable form and is located below the middle part of the trigger lever, and the support column forms a ring shape around the top. And the height of the supporting slope from low to high, leans against the trigger rod with the supporting inclined surface, and vertically extends an action rod on the peripheral surface of the supporting column. 2 . The motor brake lever device according to claim 1 , wherein a stopper portion protrudes upward from a position between the high and low sides of the top support slope, and the stopper portion faces the top support slope A high-side stop surface is formed on the higher side, and a low-side stop surface is formed on the lower side of the inclined surface toward the top support, and the high-side stop surface and the low-side stop surface are matched. against the side of the trigger lever. 3. The motor brake lever device according to claim 1 or 2, wherein, the trigger rod forms a jacking head in the middle, and the jacking column abuts against the jacking slant with the jacking slope Brace. 4. The motor brake lever device according to claim 1 or 2, wherein a pivotal screw hole is formed around the assembly surface in conjunction with a top support column, and the top support column is recessed at the top A circular groove, a pivot hole is set in the middle of the bottom of the circular groove, the bottom of the top support column leans against the place where the assembly surface is provided with a pivot screw hole, and a pivot bolt is arranged in the circular groove, the pivot A bolt is pivotally pierced through the pivot hole and screwed into the pivot hole. 5. The motor brake lever device according to claim 3, wherein a pivotal screw hole is formed on the assembly surface in conjunction with the top support column, and a circular groove is recessed on the top of the top support column, A pivot hole is pierced in the middle of the bottom of the circular groove, and the bottom of the top support column abuts against the pivotal screw hole on the assembly surface, and a pivotal bolt is arranged in the circular groove, and the pivotal bolt pivots through The pivot hole is screwed to the pivot screw hole.

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