CN221008756U - Adjustment mechanism and no-load voltage regulating transformer gear shifting and resetting tool - Google Patents

Abstract

The utility model relates to the technical field of no-load voltage-regulating transformers, in particular to an adjusting mechanism and a gear shifting and resetting tool of the no-load voltage-regulating transformer. Through setting up flexible subassembly and adjusting part, adjusting part sets up on the action bars, including the spout of seting up in the action bars outer wall, set up in the slider in the spout, set up in the locating part outside the locating part first through-hole, set up in the pivot of locating part top outer wall and set up in pivot epaxial handrail, realize keeping safe distance with electrified position when guaranteeing operating personnel, realize the regulation of keeping off the position, prevent that the transformer from receiving the condition that "jump" appears in external vibration, pull open between the action bars and connect and retract fast and reliable and stable, be favorable to alleviating intensity of labour.

Description

Adjustment mechanism and no-load voltage regulating transformer gear shifting and resetting tool

Technical Field

The utility model relates to the technical field of no-load voltage-regulating transformers, in particular to an adjusting mechanism and a gear shifting and resetting tool of the no-load voltage-regulating transformer.

Background

Along with the continuous expansion of the development speed and scale of the economic construction of China, the electric power becomes one of important basic energy sources for the social economic construction, and more challenges are brought along with the electric power. The off-load voltage regulating transformer is a device for regulating the output voltage of the power transformer. The method is mainly used for changing the gear of the transformer under the condition that the transformer is in a no-load state so as to meet the voltage requirement change in the power grid. An off-load step-down transformer is typically composed of a plurality of fixed or adjustable neutral point positions. The gear of the transformer can be changed by adjusting the position of the neutral point, which can be done on the secondary side of the transformer or from the high voltage side to the low voltage side.

At present, some gear shifting bolts and resetting of the transformer still need to be manually carried out, and operators are required to monitor load conditions in real time and adjust gears through knobs or switches. The mode efficiency is lower, also receives the influence of human factor easily, has certain uncertainty, and whole operation process is consuming time, consumes effort, needs to throw in a large amount of manpower and materials simultaneously, and is usually adjusted about 2 hours to 1 transformer, and in current toggle knob in-process, operating personnel need keep safe distance with electrified position to prevent that the transformer from receiving the condition that "jump stop" appears in external vibration, the operation is wasted time and energy.

Disclosure of utility model

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

In view of the above-mentioned existing problem that in the existing knob stirring process, the operator needs to keep a safe distance from the electrified part, and the situation that the transformer is subjected to external vibration and has a "jump stop" is prevented, the operation is time-consuming and laborious, the utility model is provided.

It is therefore an object of the present utility model to provide an adjustment mechanism.

In order to solve the technical problems, the utility model provides the following technical scheme: the adjusting mechanism comprises a telescopic component, a first clamping piece, a sliding rod, a rod sleeve and a sliding boss, wherein the first circular groove is formed in the operating rod; and

The adjusting component is arranged on the operating rod and comprises a sliding groove, a sliding part, a limiting part, a first through hole, a rotating shaft and a supporting handle, wherein the sliding groove is formed in the outer wall of the operating rod, the sliding part is arranged in the sliding groove, the limiting part is arranged on the outer side of the sliding part, the first through hole is formed in the outer wall above the limiting part, the rotating shaft is arranged in the first through hole, and the supporting handle is arranged on the rotating shaft.

As a preferred embodiment of the adjusting mechanism according to the utility model, wherein: the first clamping piece is fixedly connected with the inner wall of the first circular groove, and the sliding rod is fixedly connected with the first clamping piece.

As a preferred embodiment of the adjusting mechanism according to the utility model, wherein: the outer wall of the sliding rod is fixedly provided with a fixing piece.

As a preferred embodiment of the adjusting mechanism according to the utility model, wherein: the rod sleeve is connected to the outer wall of the operating rod in a sliding mode, a second through hole is formed in the outer wall of the rod sleeve, a second clamping piece is arranged on the outer wall of the rod sleeve, and the first clamping piece slides in the second through hole.

As a preferred embodiment of the adjusting mechanism according to the utility model, wherein: and a third through hole is formed in the sliding boss, and the sliding rod slides in the third through hole.

As a preferred embodiment of the adjusting mechanism according to the utility model, wherein: the sliding piece is arranged in the sliding groove in a sliding mode, a square boss is arranged on the sliding piece, and cylindrical bosses are symmetrically arranged on two sides of the square boss.

As a preferred embodiment of the adjusting mechanism according to the utility model, wherein: the limiting piece inner wall is provided with a plurality of second circular grooves, the second circular grooves are in sliding connection with the rotating shaft, and the rotating shaft is fixedly connected with the support handle.

As a preferred embodiment of the adjusting mechanism according to the utility model, wherein: one side of the limiting piece is provided with a connecting rod, and the other end of the connecting rod is fixedly connected with the fixing piece.

The beneficial effects of the utility model are as follows: through setting up adjustment mechanism, can realize realizing keeping safe distance in operating personnel and electrified position, realize the regulation of fender position, prevent that the transformer from receiving the external vibration to appear "jump stop" the condition, the pull-open between the action bars is connected and is retracted fast and reliable and stable, is favorable to alleviateing intensity of labour.

In view of the problem that potential safety hazards are caused when the existing operating personnel and the electrified part are smaller than the safety distance, the gear shifting and resetting tool of the no-load voltage regulating transformer is provided.

In order to solve the technical problems, the utility model also provides the following technical scheme: the gear shifting and resetting tool of the no-load voltage regulating transformer comprises any one of the regulating mechanisms; and

The protection component is arranged outside the operating rod and comprises a limiting boss arranged outside the operating rod.

As a preferable scheme of the gear shifting and resetting tool of the no-load voltage regulating transformer, the utility model comprises the following steps: and the limiting boss is fixedly connected with the operating rod.

The beneficial effects of the utility model are as follows: through setting up the protection subassembly, can effectively guarantee operating personnel's personal safety, not surpass spacing boss and be safe distance promptly, can effectively guarantee operating personnel's personal safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an overall schematic view of the telescopic assembly of the present utility model.

Fig. 3 is an enlarged schematic view of portion a of fig. 2.

Fig. 4 is a schematic cross-sectional view of the telescoping assembly of the present utility model.

Fig. 5 is an enlarged schematic view of portion B of fig. 4.

Fig. 6 is an exploded view of the conditioning assembly of the present utility model.

Fig. 7 is an enlarged schematic view of a portion C of fig. 6.

Fig. 8 is an overall schematic view of the protective assembly of the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1-7, a first embodiment of the present utility model provides an adjustment mechanism comprising a telescoping assembly 100 and an adjustment assembly 200.

Specifically, the telescopic assembly 100 includes an operation rod 101, a first circular groove 102 formed in the operation rod 101, a first clamping member 103 disposed in the first circular groove 102, a sliding rod 104 disposed at the top end of the first clamping member 103, a rod sleeve 105 disposed outside the operation rod 101, and a sliding boss 106 disposed on the rod sleeve 105, the adjusting assembly 200 is disposed on the operation rod 101, and the adjusting assembly 200 includes a chute 201 formed in an outer wall of the operation rod 101, a sliding member 202 disposed in the chute 201, a limiting member 203 disposed outside the sliding member 202, a first through hole 204 formed in an outer wall above the limiting member 203, a rotating shaft 205 disposed in the first through hole 204, and a holding handle 206 disposed on the rotating shaft 205.

The first clamping piece 103 is fixedly connected with the inner wall of the first circular groove 102, the sliding rod 104 is fixedly connected with the first clamping piece 103, the fixing piece 104a is fixedly arranged on the outer wall of the sliding rod 104, the rod sleeve 105 is slidably connected with the outer wall of the operating rod 101, the second through hole 105a is formed in the outer wall of the rod sleeve 105, the second clamping piece 105b is arranged on the outer wall of the rod sleeve 105, the first clamping piece 103 slides in the second through hole 105a, the third through hole 106a is formed in the sliding boss 106, the sliding rod 104 slides in the third through hole 106a, the sliding piece 202 is slidably arranged in the sliding groove 201, the square boss 202a is arranged on the sliding piece 202, the cylindrical bosses 202b are symmetrically arranged on two sides of the square boss 202a, the inner wall of the limiting piece 203 is provided with a plurality of second circular grooves 203a, the second circular grooves 203a are slidably connected with the rotating shaft 205, the rotating shaft 205 is fixedly connected with the supporting handle 206, one side of the limiting piece 203 is provided with the connecting rod 203b, the other end of the connecting rod 203b is fixedly connected with the fixing piece 104a, and all materials of the device are insulators.

The operation process comprises the following steps: in the operation process of an operator, the operation rod 101 is firstly held in the hand, and then the hand is used for pulling the holding handle 206 upwards, and as the rods on the two sides of the rotating shaft 205 are not positioned at the circle center position, when the rods on the two sides of the rotating shaft 205 rotate in the second circular groove 203a on the inner wall of the limiting piece 203, the rotating shaft 205 is separated from the square boss 202a and the cylindrical boss 202b on the sliding piece 202, and at the moment, the sliding piece 202 is also separated from the sliding groove 201, so that the pulling-up of a bolt is realized; if the fixing of the bolt is to be realized, only the handle 206 is needed to be held and pulled downwards, at this time, the rotating shaft 205 presses the square boss 202a and the cylindrical boss 202b on the sliding member 202 downwards, so that the sliding member 202 is extruded into the sliding groove 201, and the sliding member 202 is matched with the sliding groove 201, thereby realizing the fixing of the bolt.

Example 2

Referring to fig. 1 to 5, a second embodiment of the present utility model is based on the previous embodiment.

Specifically, the first clamping piece 103 is fixedly connected with the inner wall of the first circular groove 102, the sliding rod 104 is fixedly connected with the first clamping piece 103, the fixing piece 104a is fixedly arranged on the outer wall of the sliding rod 104, the rod sleeve 105 is slidably connected with the outer wall of the operating rod 101, the second through hole 105a is formed in the outer wall of the rod sleeve 105, the second clamping piece 105b is arranged on the outer wall of the rod sleeve 105, the first clamping piece 103 slides in the second through hole 105a, the third through hole 106a is formed in the sliding boss 106, the sliding rod 104 slides in the third through hole 106a, the sliding piece 202 is slidably arranged in the sliding groove 201, the square boss 202a is arranged on the sliding piece 202, the cylindrical bosses 202b are symmetrically arranged on two sides of the square boss 202a, the inner wall of the limiting piece 203 is provided with a plurality of second circular grooves 203a, the second circular grooves 203a are slidably connected with the rotating shaft 205, the rotating shaft 205 is fixedly connected with the supporting handle 206, one side of the limiting piece 203 is provided with the connecting rod 203b, the other end of the connecting rod 203b is fixedly connected with the fixing piece 104a, and all materials of the device are insulators.

The rest of the structure is the same as in embodiment 1.

The operation process comprises the following steps: after the operator pulls out the holding handle 206, the limiting piece 203 is moved, and since one side of the limiting piece 203 is provided with the connecting rod 203b, and the other end of the connecting rod 203b is fixedly connected with the fixing piece 104a, and the fixing piece 104a is fixedly arranged on the outer wall of the sliding rod 104, the movement of the connecting rod 203b is driven in the movement process of the limiting piece 203, and then the sliding rod 104 is driven to slide in the third through hole 106a on the sliding boss 106. Because the slide bar 104 is fixedly arranged at the top end of the first clamping piece 103, the outside of the operating rod 101 is slidably provided with the rod sleeve 105, the outer wall of the rod sleeve 105 is provided with the second through hole 105a, and the outer wall of the rod sleeve 105 is provided with the second clamping piece 105b, the first clamping piece 103 is driven to slide in the second through hole 105a in the moving process of the slide bar 104, the first clamping piece 103 and the second clamping piece 105b are matched, and then the knob is clamped.

Example 3

Referring to fig. 8, a third embodiment of the present utility model is based on the previous embodiment.

Specifically, the protection assembly 300 is disposed outside the operation rod 101, and includes a limit boss 301 disposed outside the operation rod 101.

The first clamping piece 103 is fixedly connected with the inner wall of the first circular groove 102, the sliding rod 104 is fixedly connected with the first clamping piece 103, the fixing piece 104a is fixedly arranged on the outer wall of the sliding rod 104, the rod sleeve 105 is slidably connected with the outer wall of the operating rod 101, the second through hole 105a is formed in the outer wall of the rod sleeve 105, the second clamping piece 105b is arranged on the outer wall of the rod sleeve 105, the first clamping piece 103 slides in the second through hole 105a, the third through hole 106a is formed in the sliding boss 106, the sliding rod 104 slides in the third through hole 106a, the sliding piece 202 is slidably arranged in the sliding groove 201, the square boss 202a is arranged on the sliding piece 202, the cylindrical bosses 202b are symmetrically arranged on two sides of the square boss 202a, a plurality of second circular grooves 203a are formed in the inner wall of the limiting piece 203, the second circular grooves 203a are slidably connected with the rotating shaft 205, the rotating shaft 205 is fixedly connected with the supporting handle 206, a connecting rod 203b is arranged on one side of the limiting piece 203, the other end of the connecting rod 203b is fixedly connected with the fixing piece 104a, the limiting boss 301 is fixedly connected with the operating rod 101, and all materials of the device are insulators.

The rest of the structure is the same as in embodiment 2.

Working principle: when the transformer is shifted to realize the bolt and reset, the safety distance between an operator and the electrified part needs to be ensured, and potential safety hazards possibly occur when the safety distance is exceeded, so that a limit boss 301 is fixedly arranged on the outer side of the operating rod 101, and the position from the limit boss 301 to the top end of the operating rod 101 is the safety distance, so that accidents can be avoided to a great extent as long as the position of the limit boss 301 is not exceeded by the limit piece 203.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. An adjustment mechanism, characterized in that: comprising the steps of (a) a step of,

The telescopic assembly (100) comprises an operating rod (101), a first circular groove (102) formed in the operating rod (101), a first clamping piece (103) arranged in the first circular groove (102), a sliding rod (104) arranged at the top end of the first clamping piece (103), a rod sleeve (105) arranged on the outer side of the operating rod (101) and a sliding boss (106) arranged on the rod sleeve (105); and

The adjusting assembly (200), adjusting assembly (200) sets up on action bars (101), including opening spout (201) of action bars (101) outer wall, setting up slider (202) in spout (201), setting up locating part (203) in slider (202) outside, set up first through-hole (204) in locating part (203) top outer wall, pivot (205) and handrail (206) of setting on pivot (205) in first through-hole (204).

2. The adjustment mechanism of claim 1, wherein: the first clamping piece (103) is fixedly connected with the inner wall of the first circular groove (102), and the sliding rod (104) is fixedly connected with the first clamping piece (103).

3. An adjustment mechanism according to claim 1 or 2, characterized in that: the outer wall of the sliding rod (104) is fixedly provided with a fixing piece (104 a).

4. An adjustment mechanism as set forth in claim 3, wherein: the rod sleeve (105) is connected to the outer wall of the operating rod (101) in a sliding mode, a second through hole (105 a) is formed in the outer wall of the rod sleeve (105), a second clamping piece (105 b) is arranged on the outer wall of the rod sleeve (105), and the first clamping piece (103) slides in the second through hole (105 a).

5. The adjustment mechanism of claim 4, wherein: a third through hole (106 a) is formed in the sliding boss (106), and the sliding rod (104) slides in the third through hole (106 a).

6. The adjustment mechanism of claim 5, wherein: the sliding piece (202) is arranged in the sliding groove (201) in a sliding mode, square bosses (202 a) are arranged on the sliding piece (202), and cylindrical bosses (202 b) are symmetrically arranged on two sides of the square bosses (202 a).

7. The adjustment mechanism of claim 6, wherein: the inner wall of the limiting piece (203) is provided with a plurality of second circular grooves (203 a), the second circular grooves (203 a) are in sliding connection with the rotating shaft (205), and the rotating shaft (205) is fixedly connected with the support handle (206).

8. The adjustment mechanism of claim 7, wherein: one side of the limiting piece (203) is provided with a connecting rod (203 b), and the other end of the connecting rod (203 b) is fixedly connected with the fixing piece (104 a).

9. The utility model provides an on-load tap changer gear shifting and instrument that resets which characterized in that: comprising an adjustment mechanism according to any one of claims 1-8; and

The protection assembly (300), protection assembly (300) set up in action bars (101) outside, including setting up spacing boss (301) in action bars (101) outside.

10. The off-load step-down transformer shift and reset tool of claim 9, wherein: the limiting boss (301) is fixedly connected with the operating rod (101).