CN216120793U - Grounding protection device of balancing machine - Google Patents

Abstract

The utility model discloses a grounding protection device of a balancing machine, which comprises a balancing machine main body and a supporting piece arranged on the balancing machine main body, and is characterized in that: the support is provided with a driving device, the driving device is connected with a conductive part corresponding to the position of a workpiece, one end of the conductive part is connected with an electric welding machine, and the conductive part can linearly reciprocate under the driving of the driving device to enable the other end of the conductive part to be in contact with or disconnected from the workpiece; the utility model has reasonable design and simple structure, can quickly realize the connection and disconnection of the grounding wire and the workpiece, and is safe and convenient.

Description

Grounding protection device of balancing machine

Technical Field

The utility model relates to a balancing machine, in particular to a grounding protection device of a dynamic balancing machine.

Background

When the dynamic balance of a workpiece needs to be corrected by welding a weighting block by an electric welding machine, a plurality of operators can connect a grounding wire to a machine bed of the equipment for conduction in order to facilitate the operation, and the illegal operation can cause large current to burn contact positions or adhere from bottom to top by a swing frame, a roller, a bearing, a tooling shaft, an inner hole of the workpiece and sequentially transferring electricity, so that the balancing machine is greatly damaged, namely the precision of the balancing machine is gradually distorted, and components can be immediately fused to protect a host machine; some methods hang the grounding wire on a workpiece for conduction, but forget to take the grounding wire down after welding often occurs, and when the balancing machine is started again, the grounding wire is hung on the workpiece and then rotates at a high speed, which is very dangerous and easily causes safety accidents.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a grounding protection device of a balancing machine, which has the advantages of reasonable design, simple structure, safety and convenience, and can quickly realize the connection and disconnection of a grounding wire and a workpiece.

A balance machine grounding protection device comprises a balance machine main body and a supporting piece arranged on the balance machine main body, wherein a driving device is arranged on the supporting piece, the driving device is connected with a conductive part corresponding to a workpiece, one end of the conductive part is connected with an electric welding machine, and the conductive part can linearly reciprocate under the driving of the driving device to enable the other end of the conductive part to be in contact with or disconnected from the workpiece.

Furthermore, the driving device is an air cylinder, and an expansion link of the air cylinder is connected with one end of the conductive part to drive the conductive part to reciprocate linearly. The cylinder has the advantages of simple structure, low cost, convenient use and operation, low requirements on the use environment, normal work of the cylinder in both high-temperature operation and low-temperature operation, certain waterproof and dustproof performances, and capability of adapting to a plurality of severe use environments.

Furthermore, the conductive part is a conductive rod, the conductive part is arranged above the cylinder in parallel, the supporting part is also provided with a guide part for supporting the conductive part, and the guide part can restrict the movement direction of the conductive part and avoid transverse large-amplitude shaking of the conductive part.

Further, still including installing the regulating plate that just has the arc adjustment tank on the balance machine main part, support piece's lower extreme articulates on the regulating plate, support piece is close to the position of lower extreme and passes through the connecting rod and insert in the arc adjustment tank, support piece can rotate along the arc adjustment tank through the connecting rod, the free end of connecting rod is installed and is used for spacing mounting. The angle of the supporting piece can be adjusted, so that the device can be suitable for workpieces of different specifications and has a wider application range; after the supporting piece is adjusted to a proper angle, the supporting piece and the adjusting plate are fixed by matching the fixing piece and the connecting rod.

The utility model has the beneficial effects that: one end of the conductive part is connected with the electric welding machine, and the conductive part can linearly reciprocate under the driving of the driving device, so that the other end of the conductive part is contacted with or disconnected from the workpiece, and the effect of grounding protection is realized; the angle of the supporting piece can be adjusted, so that the workpiece support device can be suitable for workpieces of different specifications, and is wider in application range.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic front view of the balancing machine, electrical welding of the present invention;

FIG. 2 is a schematic view of the support member of the present invention in an upright position;

FIG. 3 is a schematic view of the support member of the present invention in an inclined state;

FIG. 4 is an enlarged view at A of FIG. 1;

fig. 5 is an enlarged view at B in fig. 1.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 3, a balancing machine is an apparatus for measuring unbalance of a rotor, and the unbalance amount of the rotor is corrected using a measurement result of the dynamic balancing machine, so that vibration generated when the rotor rotates or vibration acting on a bearing is reduced to an allowable range, thereby achieving the purposes of reducing vibration, improving performance and improving product quality. The balancing machine comprises a machine body 1, a swing frame 2 arranged on the machine body 1, a rotor 3, a workpiece 4 arranged on the rotor 3 and the like, is the existing equipment, and the structure of the balancing machine does not belong to the protection range of the utility model; in addition, when 4 dynamic balance of work piece need weld to aggravate the correction, still need use electric welding 5, weld 4 suitable positions of work piece with the balancing weight to realize dynamic balance.

Referring to fig. 1 to 5 again, a ground protection device for a balancing machine includes a balancing machine main body 6, and a supporting member 7, which may be a supporting rod, a supporting plate, a supporting column, etc., mounted on the balancing machine main body 6, as long as the same or similar supporting function can be achieved; the supporting part 7 is provided with a driving device which can be a motor, a cylinder and other mechanisms capable of realizing linear reciprocating motion, the driving device is a cylinder 8, and an expansion link 9 of the cylinder 8 is connected with one end of the conductive part 10 to drive the conductive part 10 to linearly reciprocate; the driving device is connected with a conductive part 10 corresponding to the position of the workpiece 4, the conductive part 10 can be a long conductive rod, a conductive sheet and the like, the conductive part 10 is preferably a conductive rod, the conductive part 10 is installed above the cylinder 8 in parallel, a guide 11 for supporting the conductive part 10 is further arranged on the support 7, and the guide 11 can be in a suitable shape such as a ring shape, a semicircle shape, an arc shape and the like; one end of the conductive component 10 is connected with the electric welding machine 5, such as a grounding bolt of a shell of the electric welding machine 5 through a grounding wire 16; the conductive member 10 can be driven by the driving device to reciprocate linearly, so that the other end of the conductive member 10 is in contact with or disconnected from the workpiece 4.

Referring to fig. 2 and 3 again, the balancing machine further comprises an adjusting plate 13 which is installed on the balancing machine body 6 and has an arc-shaped adjusting groove 12, the lower end of the support member 7 is hinged on the adjusting plate 13, the portion of the support member 7 near the lower end is inserted into the arc-shaped adjusting groove 12 through a connecting rod 14, the support member 7 can rotate along the arc-shaped adjusting groove 12 through the connecting rod 14, a fixing member 15 for limiting is installed at the free end of the connecting rod 14, and the fixing member 15 can be a nut, a binding belt or the like which is matched with the connecting rod 14 with threads.

The working principle is as follows: the structure of the original balancing machine does not need to be changed, only a supporting piece 7 needs to be additionally arranged on the machine body 1 of the original balancing machine, an air cylinder 8 is arranged on the supporting piece 7, and a telescopic rod 9 of the air cylinder 8 is fixedly connected with one end of a conductive part 10 through a connecting piece; when the weighting block needs to be welded on the workpiece 4, the shell of the electric welding machine 5 is connected with one end of the conductive component 10 through the grounding wire 16, the cylinder 8 is started, the telescopic rod 9 of the cylinder 8 drives the conductive component 10 to move towards the direction of the workpiece 4 synchronously, and finally, the shell is in contact with the outer wall of the workpiece 4, the effect of ground protection is realized, when the electric welding machine 5 leaks electricity, the shell and the ground form a good current path, when a person touches the shell, the relative voltage can be greatly reduced, the purpose of preventing electric shock can be achieved, and the balancing machine can be protected from impact injury caused by large current. Further, a switch 52 on a welding tongs 51 of the electric welding machine 5 can be connected with a control box 17 of the balancing machine through a lead, the control box 17 can be used for controlling starting and stopping of the air cylinder 8, an operator only needs to press down the switch 52 on the welding tongs 51, and the air cylinder 8 drives a conductive part 10 connected with the electric welding machine 5 to automatically contact the end face of the workpiece 4 to conduct electricity, so that welding weighting correction can be performed; when an operator releases the switch 52 of the welding tongs 51, the air cylinder 8 drives the conductive component 10 connected with the electric welding machine 5 to automatically leave the end face of the workpiece 4 for power failure, so that the conductive component 10 is prevented from rubbing and damaging when the workpiece 4 rotates.

It should be noted that: in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it is to be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The utility model provides a balanced quick-witted ground protection device, includes balanced quick-witted main part, installs the support piece on balanced quick-witted main part, characterized by: the electric welding machine comprises a support piece, a driving device is mounted on the support piece, the driving device is connected with a conductive part corresponding to a workpiece, one end of the conductive part is connected with the electric welding machine, and the conductive part can reciprocate linearly under the driving of the driving device to enable the other end of the conductive part to be in contact with or disconnected from the workpiece.

2. The balance machine ground protection device of claim 1, characterized by: the driving device is an air cylinder, and a telescopic rod of the air cylinder is connected with one end of the conductive part to drive the conductive part to do linear reciprocating motion.

3. The balance machine ground protection device of claim 2, characterized by: the conductive part is a conductive rod, the conductive part is arranged above the cylinder in parallel, and a guide part for supporting the conductive part is further arranged on the support part.

4. The earth protection device of a balancing machine according to any one of claims 1 to 3, characterized in that: still including installing the regulating plate that just has the arc adjustment tank in balanced quick-witted main part, support piece's lower extreme articulates on the regulating plate, support piece is close to the position of lower extreme and passes through the connecting rod and insert in the arc adjustment tank, support piece can rotate along the arc adjustment tank through the connecting rod, the free end of connecting rod is installed and is used for spacing mounting.

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