CN214541757U

CN214541757U - Resistor disc fixing device

Info

Publication number: CN214541757U
Application number: CN202120443039.6U
Authority: CN
Inventors: 华军团
Original assignee: Xi'an Zhuoda Electrical Equipment Co ltd
Current assignee: Xi'an Zhuoda Electrical Equipment Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-10-29
Anticipated expiration: 2031-03-01

Abstract

The present disclosure relates to a resistor disc fixing device. The fixing device is used for fixing a plurality of resistor discs and comprises: the connecting rods respectively penetrate through the mounting holes in the side walls of the resistor discs; the fixed frame is arranged on the outer sides of the resistance cards and used for supporting the resistance cards, the fixed frame comprises a plurality of vertical rods and a plurality of transverse rods, and the transverse rods are provided with a plurality of through holes; the elastic piece is arranged on one side of the cross rod far away from the resistance card, the cross rod is partially penetrated by the tightening piece, the other end of the tightening piece penetrating through the cross rod is connected with the connecting rod on the corresponding resistance card, the resistance card is installed on the fixed frame through the tightening piece, and the tension degree of the corresponding resistance card is adjusted through the tightening pieces respectively. This openly can combine the connecting rod to support the resistance card through the fixed frame that is located the resistance card outside, and the tensioning degree that the tensioning piece that sets up on the horizontal pole can adjust the resistance card through the elastic component.

Description

Resistor disc fixing device

Technical Field

The utility model relates to a resistance card fixed mounting technical field especially relates to a resistance card fixing device.

Background

The resistance element is formed by weaving a resistance wire in a reciprocating mode, so that the directions of currents passing through every two adjacent turns of resistance wires are opposite, generated inductances are mutually offset, and the inductance of the whole resistance element is extremely low and can be ignored. Resistance elements with various specifications can be obtained by changing the material, the length and the wire diameter of the resistance wire and changing the width, the turn pitch and the like of the resistance element, and various requirements of users on size, power, resistance value and the like are met. The existing resistor generally comprises a plurality of parallel resistor discs, the two adjacent resistor discs are easy to attract under the action of large current, and in order to prevent the attraction between the resistor discs, the mica string rod and the mica ring are added between the adjacent resistor discs to separate the adjacent resistor discs in the prior art, however, the resistor discs are separated by the method, the installation is troublesome, the operation is complex, and the problem of the attraction of the resistor discs caused by expansion caused by heat and contraction caused by cold can not be avoided by the resistor discs installed by the method. Therefore, there is a need to provide a new technical solution to improve one or more of the problems in the above solutions.

It is noted that this section is intended to provide a background or context to the embodiments of the disclosure that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.

Disclosure of Invention

An object of the present disclosure is to provide a resistor disc fixing device, thereby overcoming, at least to some extent, one or more of the problems due to the limitations and disadvantages of the related art.

The embodiment of the present disclosure provides a resistance card fixing device for fixing a plurality of resistance cards, the device includes:

the connecting rods respectively penetrate through the mounting holes in the side walls of the resistor discs;

the fixed frame is arranged on the outer sides of the plurality of resistance cards and used for supporting the plurality of resistance cards, the fixed frame comprises a plurality of vertical rods and transverse rods, and the transverse rods are provided with a plurality of through holes;

receive the tight piece, one end sets up in keeping away from through the elastic component the resistance card one side of horizontal pole, it passes to receive tight piece part the horizontal pole, and pass this other end of receiving tight piece of horizontal pole with correspond on the resistance card the connecting rod is connected, with through it will to receive tight piece the resistance card install in on the fixed frame to through each tension that tightens up the piece difference adjustment and correspond the resistance card.

In an embodiment of the present disclosure, the tightening member includes:

the screw rod is in a hook shape at one end connected with the connecting rod and is sleeved on the connecting rod;

the nut is arranged at one end far away from the hook-shaped screw rod, and the elastic piece is arranged between the nut and the cross rod.

In the embodiment of the disclosure, fasteners are respectively arranged at two ends of the connecting rod so as to fasten the end part of the screw sleeved on the connecting rod with the resistor disc.

In the embodiment of the disclosure, the elastic member is sleeved on the screw rod, and the elastic member is a tower spring.

In the embodiment of the disclosure, the cross section of the cross bar is a U-shaped groove.

In the embodiment of the disclosure, the nut, the elastic piece and part of the screw rod are all positioned in the U-shaped groove.

In the embodiment of the disclosure, the eight resistance sheets are in one group, and the distance between the resistance sheets in the group is between 50 mm and 60 mm.

In the embodiment of the disclosure, the distance between each group of the resistor discs is between 100 and 120 mm.

In an embodiment of the present disclosure, the vertical rod is used for fixing the cross rod.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

in an embodiment of the disclosure, according to the resistor disc fixing device provided by the above embodiment, the resistor disc is supported by the connecting rod arranged on the fixing frame outside the resistor disc and combined with the side wall of the resistor disc, the tightening piece arranged on the cross rod can fixedly install each resistor disc, and the tightening piece can adjust the tension of the resistor disc through the elastic piece, so that the problem caused by thermal expansion and cold contraction of the resistor disc is avoided to a certain extent.

Drawings

Fig. 1 shows a schematic top view of a resistive patch fixture in an exemplary embodiment of the present disclosure;

fig. 2 shows a schematic side view of a resistive patch fixture in an exemplary embodiment of the disclosure.

In the figure: a resistor sheet 100; a connecting rod 200; a fastener 201; a vertical rod 302; a cross bar 301; a take-up member 303; a nut 3031; an elastic member 3032; and a screw 3033.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.

The example embodiment provides a resistor disc fixing device. Referring to fig. 1, the apparatus for fixing a plurality of resistive sheets 100 may include: a plurality of connecting rods 200, a fixed frame and a tightener 303.

A plurality of connecting rods 200 respectively passing through the mounting holes on the side walls of the plurality of resistor discs 100; the fixed frame is arranged on the outer sides of the resistor discs 100 and used for supporting the resistor discs 100, and comprises a plurality of vertical rods 302 and a cross rod 301, and the cross rod 301 is provided with a plurality of through holes; one end of the tightening member 303 is disposed on one side of the cross rod 301 far away from the resistive sheet 100 through the elastic member 3032, the tightening member 303 partially penetrates through the cross rod 301, and the other end of the tightening member 303 penetrating through the cross rod 301 is connected with the corresponding connecting rod 200 on the resistive sheet 100, so that the resistive sheet 100 is mounted on the fixed frame through the tightening member 303, and the tightness of the corresponding resistive sheet 100 is adjusted through each tightening member 303.

According to the resistor disc fixing device provided by the embodiment, the resistor disc is supported by the fixing frame located on the outer side of the resistor disc and the connecting rod arranged on the side wall of the resistor disc, the tension of each resistor disc can be fixedly installed by the tightening piece arranged on the cross rod, the tension of the resistor disc can be adjusted by the tightening piece through the elastic piece, and the problem caused by expansion caused by heat and contraction caused by cold of the resistor disc is avoided to a certain extent.

Next, each structure of the above-described fixing device in the present exemplary embodiment will be described in more detail with reference to fig. 1 to 2.

In one embodiment, the resistance card 100 is made of woven glass fiber, sprayed with high temperature resistant insulating paint, and dried, the edges at the two ends are sandwiched by metal sheets to enhance the strength, and the metal sheets are provided with mounting holes. The resistor needs a plurality of resistance sheets 100 to be connected in series, and when the plurality of resistance sheets 100 are fixed, a mounting hole is formed in the side wall of each resistance sheet 100, and a plurality of connecting rods 200 are respectively placed in the mounting holes formed in the resistance sheets 100. The plurality of resistance cards 100 are fixed by a fixing frame fixedly arranged outside the installation positions of the plurality of resistance cards 100, the fixing frame comprises a plurality of vertical rods 302 and a plurality of cross rods 301, and in one example, the vertical rods 302 are used for fixing the cross rods 301. A plurality of montants 302 can be fixed in the resistor box, horizontal pole 301 is fixed in on montant 302, and seted up a plurality of through-holes on the horizontal pole 301, so that tightening member 303 passes the through-hole and is connected with a plurality of connecting rods 200 respectively, and the one end that tightening member 303 kept away from resistance card 100 sets up in one side of horizontal pole 301 through elastic component 3032, tighten up the back when tightening member 303 and just supported a plurality of resistance cards 100 respectively, and can adjust the rate of tension of resistance card 100 respectively through adjusting tightening member 303, so as to avoid resistance card 100 because the lax that expend with heat and contract with cold and produce, thereby cause the problem of adjacent resistance card 100 actuation, or because resistance card 100 is too taut, and the condition that causes resistance card 100 to damage takes place.

In one embodiment, the tightener 303 includes: a screw 3033, one end of which is connected with the connecting rod 200 is hook-shaped and is sleeved on the connecting rod 200; and a nut 3031 arranged at one end of the screw 3033 far away from the hook shape, and the elastic member 3032 is arranged between the nut 3031 and the cross bar 301.

Specifically, one hook-shaped end of the screw 3033 is sleeved on the connecting rod 200 and is respectively located on the connecting rod 200 between two adjacent resistance cards 100, the screw 3033 passes through the through hole and extends out of the other side of the cross bar 301, the screw 3033 on the side is firstly sleeved with an elastic member 3032, the elastic member 3032 is contacted with the cross bar 301, then a nut 3031 is sleeved outside the elastic member 3032, the nut 3031 can rotate around the screw 3033 to tighten the connecting rod 200, and the problem of thermal expansion and cold contraction of the resistance cards 100 can be solved due to the arrangement of the elastic member 3032.

In one embodiment, the two ends of the connecting rod 200 are respectively provided with a fastener 201 to fasten the end of the screw 3033 sleeved on the connecting rod 200 with the resistor disc 100. Specifically, the connecting rod 200 is used for sleeving the end of the screw 3033 to connect with the resistor disc 100, and the end of the screw 3033 can be better fixedly connected with the resistor disc 100 by arranging the fasteners 201 on both sides of the connecting rod 200.

In one embodiment, the elastic member 3032 is sleeved on the screw 3033, and the elastic member 3032 is a tower spring. Specifically, the elastic member 3032 is sleeved on the screw rod 3033, one end of the elastic member 3032 contacts the nut 3031, and the other end of the elastic member 3032 contacts the cross bar 301, and the elastic member 3032 may be a tower spring, which is not limited specifically.

In one embodiment, the cross-section of the cross-bar 301 is a U-shaped groove. Specifically, to avoid the tightening member 303 mounted on the cross bar 301 from being accidentally touched, the cross bar 301 is configured as a U-shaped groove, and in one example, the nut 3031, the elastic member 3032 and a portion of the screw 3033 are all located in the U-shaped groove. Specifically, the nut 3031, the elastic member 3032 and a part of the screw 3033 located at one side of the cross bar 301 are all located in a U-shaped groove of the cross bar 301, but are not particularly limited.

In one embodiment, the eight resistive sheets 100 are grouped, and the distance between the resistive sheets 100 in one group is between 50 mm and 60 mm. Specifically, in order to ensure the heat dissipation of the resistor sheets 100 in the resistor, the eight resistor sheets 100 are arranged in one group, and the distance between the resistor sheets 100 in one group is ensured to be between 50 mm and 60mm, but not limited specifically. In one example, the distance between each group of the resistive sheets 100 is between 100 and 120 mm. Specifically, the distance between each group of resistance cards 100 is set to be 100-120 mm, and the heat dissipation of the resistance cards 100 can be further guaranteed.

In the description of the present disclosure, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present disclosure.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.

In the present disclosure, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims

1. A resistor disc fixing device for fixing a plurality of resistor discs, the device comprising:

2. The resistive sheet securing apparatus of claim 1, wherein the take up member comprises:

3. The resistor disc fixing device according to claim 2, wherein fasteners are respectively provided at both ends of the connecting rod to fasten the end of the screw sleeved on the connecting rod to the resistor disc.

4. The resistance card fixing device according to claim 2, wherein the elastic member is sleeved on the screw, and the elastic member is a tower spring.

5. The resistor disc fixing device according to claim 2, wherein the cross section of the cross bar is a U-shaped groove.

6. The resistor disc fixing device according to claim 5, wherein the nut, the elastic member and a part of the screw are located in the U-shaped groove.

7. The resistor disc fixing device according to claim 1, wherein the eight resistor discs are in a group, and the distance between the resistor discs in the group is 50-60 mm.

8. The resistor disc fixing device according to claim 7, wherein the distance between each group of the resistor discs is 100-120 mm.

9. The resistor disc fixing device according to claim 1, wherein the vertical rods are used for fixing the cross rods.