CN113327732B

CN113327732B - Non-inductive non-metal resistor

Info

Publication number: CN113327732B
Application number: CN202011021822.XA
Authority: CN
Inventors: 孙永光
Original assignee: Hunan Wangji Electronic Technology Co ltd
Current assignee: Hunan Wangji Electronic Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2022-06-07
Anticipated expiration: 2040-09-25
Also published as: CN113327732A

Abstract

The invention discloses a non-inductive non-metallic resistor which comprises a base, a resistance element and an electrode, wherein the outer side of a vertical rod is connected with a sliding sleeve in a sliding manner, the outer side of the vertical rod is sleeved with an extrusion spring, the inner part of the base is connected with four groups of pushing blocks in a sliding manner, a support arm is rotatably connected between the four groups of pushing blocks and the sliding sleeve, the upper side of the base is connected with an installation seat in a sliding manner, the bottom of the installation seat is fixedly connected with four groups of supporting legs, and the resistance element is arranged in an adapter plate. According to the invention, when a high-speed rail passes through, the mounting seat downwards extrudes the pushing blocks through the supporting legs when vibrating, so that the four groups of pushing blocks synchronously slide towards the inner side, the pushing blocks drive the sliding sleeve to upwards slide along the vertical rod through the supporting arms in the process of sliding towards the inner side to extrude the extrusion spring, impact force generated by vibration in the vertical direction is dispersed to the horizontal direction, the impact force buffering effect can be realized, and further the anti-seismic protection is performed on the resistance element arranged in the mounting seat.

Description

Non-inductive non-metal resistor

Technical Field

The invention relates to the technical field of resistors, in particular to a non-inductive non-metallic resistor.

Background

The non-inductive resistor is not inductive, namely is not inductive, and certainly does not have inductive reactance value on the resistor, which is very small and can be ignored, generally cannot be said to be completely absent, and some precise instruments, meters and electronic industrial equipment often need to use the non-inductive resistor, because the common resistor with high inductive reactance is easy to vibrate in use and damage other devices in a loop.

Non-inductive resistors are often used as loads to absorb unwanted electrical quantities generated during the use of the product, or to perform a buffering and braking function, such resistors are often referred to as braking resistors and loading resistors, and in addition, for high precision resistors, high impedance in the product is not allowed, which requires the selection of high quality materials, a highly demanding process, and non-inductive resistors are only required to function as resistors on wires or coils, and not as inductors or voltages generated by induction. The common non-inductive resistor is formed by combining two insulated wires together, a terminal is short-circuited, a head end is externally connected with a power supply and an application circuit, the two insulated wires have opposite current directions, the two insulated wires are not externally mutual-inductive and can be wound into a coil for use and only play a role of resistance, along with the rapid development of a modern high-speed railway, the high-speed railway grounding protection system also uses a large amount of non-inductive non-metallic resistors, however, the anti-seismic performance of the existing non-inductive non-metallic resistors is not ideal enough, and when a high-speed railway passes through, the resistors are easily damaged due to the generated vibration.

Disclosure of Invention

The invention aims to: the non-inductive non-metal resistor is provided for solving the problems that the anti-seismic performance of the existing non-inductive non-metal resistor is not ideal enough and the resistor is easily damaged by the generated vibration when a high-speed rail passes through.

In order to achieve the purpose, the invention adopts the following technical scheme: a non-inductive non-metallic resistor comprises a base, a resistance element and electrodes, wherein the inner part of the base is fixedly connected with a vertical rod, the outer side of the vertical rod is connected with a sliding sleeve in a sliding manner, the top end of the vertical rod is fixedly connected with a baffle, the outer side of the vertical rod is positioned between the baffle and the sliding sleeve and is sleeved with an extrusion spring, the outer side of the vertical rod in the base is positioned between the baffle and the sliding sleeve and is connected with four groups of pushing blocks in an annular distribution in a sliding manner, the four groups of pushing blocks are rotatably connected with a support arm between the pushing blocks and the sliding sleeve in a rotating manner, the upper side of the base is connected with a mounting seat in a sliding manner, the bottom of the mounting seat is fixedly connected with four groups of support legs which are matched with the pushing blocks and are in an annular distribution in a matching manner, an adapter disc is rotatably connected at the upper end of the mounting seat, the resistance element is installed at the outer end of the adapter disc, the electrodes which are matched with the electrodes are positioned at the outer side of the adapter disc in a rotating manner and are connected with four groups of clamp arms in an annular distribution, the utility model discloses a rotary connector, including the arm lock, the free end of arm lock rotates and is connected with the butt dish that the cooperation resistance spare is fixed, the inside rotation of arm lock is connected with the cooperation arm lock and uses and be the four sets of switching covers that the annular distributes, the outer end fixedly connected with commentaries on classics board of switching dish, the upper end of mount pad is located one side fixedly connected with frame plate of switching dish, driving motor is installed to the outer end of frame plate, driving motor's output is located driving motor's inboard transmission and is connected with the screw rod, the outside of screw rod closes soon and is connected with the swivel nut that the cooperation commentaries on classics board used.

As a further description of the above technical solution:

the bottom end of the inner part of the base is fixedly connected with a sliding rail matched with the pushing block to slide.

As a further description of the above technical solution:

the slide rail is of a structure with a wide upper part and a narrow lower part.

As a further description of the above technical solution:

the pushing block is internally provided with an engaging groove matched with the sliding rail.

As a further description of the above technical solution:

one side of the four groups of pushing blocks close to the supporting feet is of an inclined slope surface structure, and one side of the four groups of supporting feet close to the pushing blocks is provided with inclined slope surfaces matched with the pushing blocks.

As a further description of the above technical solution:

the outer sides of the four groups of supporting feet are fixedly connected with limiting blocks for limiting the sliding range of the mounting seat.

As a further description of the above technical solution:

the inside of mount pad is located the upside of baffle and has the recess.

As a further description of the above technical solution:

the inside of switching dish has the cooperation arm lock pivoted bar groove.

As a further description of the above technical solution:

one end of the screw sleeve close to the rotating plate is fixedly connected with a sliding block.

As a further description of the above technical solution:

the inside of the rotating plate is provided with a sliding groove used in cooperation with the sliding block.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, a base is provided with a mounting seat, an adapter plate, clamp arms and a frame plate are arranged on the mounting seat, a screw rod and a driving motor matched with the screw rod for transmission are arranged on the frame plate, a screw sleeve is arranged on the screw rod, a strip-shaped groove is arranged in the adapter plate, the adapter sleeve matched with the clamp arms is arranged in the strip-shaped groove, a rotating plate matched with the screw sleeve for use is arranged on the adapter plate, the driving motor is controlled to drive the screw rod to rotate, the screw rod drives the screw sleeve to move along the horizontal direction in the rotating process, the screw sleeve drives the rotating plate and the adapter plate fixedly connected with the rotating plate to rotate along the mounting seat through the sliding fit of a sliding block and a sliding groove, four groups of clamp arms are driven by the adapter sleeve to synchronously rotate towards the inner side in the rotating process, and the clamp arms fasten and clamp a resistor through the abutting plate in the rotating process of rotating towards the inside of the adapter plate, so as to realize simple and quick mounting of the resistor, and adopt the mounting structure of fretwork formula to make resistance spare in the in-process of using, its heat dispersion is better.

2. According to the invention, the supporting feet are arranged at the bottom of the mounting seat, the pushing block and the vertical rod which are matched with the supporting feet for use are arranged in the base, the sliding sleeve, the baffle and the extrusion spring are arranged on the vertical rod, when a high-speed rail passes through, certain vibration impact force can be generated on the buried resistance piece, when the mounting seat vibrates to move downwards, the pushing block can be downwards extruded through the supporting feet, so that four groups of pushing blocks synchronously slide inwards, the pushing block drives the sliding sleeve to upwards slide along the vertical rod through the supporting arm in the process of sliding inwards, the extrusion spring is extruded, the impact force generated by vibration in the vertical direction is dispersed to the horizontal direction through the base with the structure, the impact force buffering effect can be realized, and the resistance piece arranged in the mounting seat is subjected to anti-vibration protection.

3. According to the invention, the sliding rail matched with the pushing blocks is arranged in the base, the limit parts are arranged on the supporting feet, after impact force generated by vibration is dissipated, the sliding sleeve slides downwards along the vertical rod under the action of the extrusion spring, the four groups of pushing blocks are pushed by the supporting arms to synchronously slide towards the outer side direction of the base, the sliding rail is of a structure with a wide upper part and a narrow lower part, the sliding stability of the pushing blocks in the horizontal direction is ensured, the pushing blocks extrude the inclined inner walls of the supporting feet through the inclined side walls of the pushing blocks, so that the supporting feet drive the mounting seat to upwards move along the vertical direction, when the limit parts move to the bending part at the top end in the base, the mounting seat is limited to continuously upwards move, the sliding range of the mounting seat is limited, and the mounting seat is prevented from being separated from the base to influence the normal use of the resistance part.

Drawings

FIG. 1 illustrates a front view provided in accordance with an embodiment of the present invention;

FIG. 2 illustrates a cross-sectional top view at an adapter tray provided in accordance with an embodiment of the present invention;

FIG. 3 illustrates a cross-sectional top view of a slider to runner connection provided in accordance with an embodiment of the present invention;

figure 4 shows a side view of a connection between a clamping arm and a nut provided in accordance with an embodiment of the present invention;

FIG. 5 illustrates a front cross-sectional view at a mount and base provided in accordance with an embodiment of the present invention;

fig. 6 shows a side view of a connection between a pushing block and a sliding rail provided in accordance with an embodiment of the present invention.

Illustration of the drawings:

1. a base; 2. a mounting seat; 201. a groove; 3. a brace; 301. a limiting block; 4. pushing the block; 401. an engaging groove; 5. a slide rail; 6. a vertical rod; 7. a baffle plate; 8. a sliding sleeve; 9. a compression spring; 10. a support arm; 11. a switching disk; 12. a strip-shaped groove; 13. a transfer sleeve; 14. clamping arms; 15. a butting tray; 16. a resistance member; 17. rotating the plate; 18. a frame plate; 19. a drive motor; 20. a screw; 21. a threaded sleeve; 22. a slider; 23. a chute; 24. And an electrode.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships 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 and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, the present invention provides a technical solution: a non-inductive non-metallic resistor comprises a base 1, a resistance element 16 and electrodes 24, wherein a vertical rod 6 is fixedly connected inside the base 1, a sliding sleeve 8 is slidably connected outside the vertical rod 6, a baffle 7 is fixedly connected at the top end of the vertical rod 6, an extrusion spring 9 is sleeved outside the vertical rod 6 between the baffle 7 and the sliding sleeve 8, four groups of pushing blocks 4 which are annularly distributed are slidably connected inside the base 1 outside the vertical rod 6, support arms 10 are rotatably connected between the four groups of pushing blocks 4 and the sliding sleeve 8, an installation seat 2 is slidably connected on the upper side of the base 1, four groups of support legs 3 which are annularly distributed and are matched with the pushing blocks 4 are fixedly connected at the bottom of the installation seat 2, an adapter plate 11 is rotatably connected at the upper end of the installation seat 2, the resistance element 16 is installed inside the adapter plate 11, the electrodes 24 which are matched with the resistance element 16 are installed at the outer end of the adapter plate 11, four groups of clamping arms 14 which are annularly distributed are rotatably connected at the upper end of the installation seat 2 outside the adapter plate 11, the free end of the clamping arm 14 is rotatably connected with an abutting disc 15 fixed by a matching resistor 16, the interior of the clamping arm 14 is rotatably connected with four sets of adapter sleeves 13 which are matched with the clamping arm 14 and are distributed annularly, the outer end of the adapter disc 11 is fixedly connected with a rotating plate 17, the upper end of the mounting seat 2 is fixedly connected with a frame plate 18 at one side of the adapter disc 11, the outer end of the frame plate 18 is provided with a driving motor 19, the output end of the driving motor 19 is positioned at the inner side of the driving motor 19 and is connected with a screw rod 20 in a transmission manner, the outer side of the screw rod 20 is rotatably connected with a screw sleeve 21 used by the matching rotating plate 17, the driving motor 19 is controlled to drive the screw rod 20 to rotate, the screw rod 20 drives the screw sleeve 21 to move along the horizontal direction in the rotating process, the adapter disc 11 drives the four sets of clamping arms 14 to synchronously rotate inwards through the adapter sleeve 13 in the rotating process, and the clamping arm 14 rotates towards the interior of the adapter disc 11, fastening through butt flange 15 to resistance 16 and pressing from both sides tightly, realize the installation to resistance 16, mount pad 2 is when taking place vibrations downstream, can push pushing block 4 through spike 3 extrusion downwards, make four groups push pushing block 4 and slide to the inboard in step, pushing block 4 drives sliding sleeve 8 through support arm 10 at the gliding in-process of inboard and upwards slides along montant 6, the extrusion spring 9 of establishing in the montant 6 outside extrudees the cover, the base 1 of this kind of structure will shake the ascending impact force dispersion of vertical side that produces to the horizontal direction on, can realize the buffering effect to the impact force.

Specifically, as shown in fig. 5, the sliding rail 5 is fixedly connected to the bottom end of the base 1 and is matched with the pushing block 4 to slide, the sliding rail 5 is of a structure with a wide top and a narrow bottom, the inside of the pushing block 4 is provided with a joint groove 401 matched with the sliding rail 5 to use, the sliding rail 5 is of a structure with a wide top and a narrow bottom, the pushing block 4 is prevented from displacing in the vertical direction, and the stability of the pushing block 4 in sliding in the horizontal direction is guaranteed.

Specifically, as shown in fig. 5, four groups push away one side that the piece 4 is pressed close to the spike 3 and are slope surface structure, four groups of spikes 3 press close to push away one side of piece 4 have with push away the slope surface of 4 looks adaptations of piece, the stopper 301 of the 2 sliding range of stopper mount pad of outside fixedly connected with restriction mount pad of four groups spike 3, push away the lateral wall that piece 4 inclines through it and extrude the slope inner wall of spike 3, make spike 3 drive mount pad 2 along vertical direction rebound, move to the position department of bending on the inside top of base 1 when installing stopper 301 in the spike 3 outside, then can restrict continuation of mount pad 2 and shift up, realize the injecing to the 2 sliding range of mount pad, avoid mount pad 2 to break away from base 1.

Specifically, as shown in fig. 5, a groove 201 is formed in the mounting base 2 on the upper side of the baffle 7, and the groove 201 prevents the mounting base 2 from interfering with the baffle 7 when moving downward, so as to reserve a descending space for the mounting base 2.

Specifically, as shown in fig. 1 and fig. 2, a strip-shaped groove 12 for cooperating with the clamping arm 14 to rotate is formed in the adapter plate 11, and the strip-shaped groove 12 is configured to provide a rotating space for the clamping arm 14.

Specifically, as shown in fig. 2 to 4, one end of the screw sleeve 21 close to the rotating plate 17 is fixedly connected with a sliding block 22, a sliding groove 23 used in cooperation with the sliding block 22 is formed inside the rotating plate 17, and the screw sleeve 21 drives the rotating plate 17 and the adapter plate 11 fixedly connected with the rotating plate 17 to rotate along the mounting base 2 through sliding cooperation between the sliding block 22 at the bottom of the screw sleeve and the sliding groove 23.

The working principle is as follows: when the device is used, the resistance piece 16 is placed inside the adapter plate 11, the driving motor 19 positioned at the outer end of the frame plate 18 is controlled to drive the screw rod 20 positioned at the inner end of the frame plate 18 to rotate, the screw rod 20 drives the screw sleeve 21 screwed and connected at the outer side of the screw sleeve to move along the horizontal direction in the rotating process, the screw sleeve 21 drives the rotating plate 17 and the adapter plate 11 fixedly connected with the rotating plate 17 to rotate along the mounting seat 2 through the sliding fit of the bottom slide block 22 and the sliding groove 23 of the screw sleeve 21, the adapter plate 11 drives the four groups of clamping arms 14 to synchronously rotate inwards to approach together through the rotating of the adapter sleeve 13 connected inside the adapter plate 11 in the rotating process, and the clamping arms 14 fasten and clamp the resistance piece 16 through the abutting plate 15 arranged at the free end of the clamping arms in the rotating process towards the inside of the adapter plate 11, so as to realize the installation of the resistance piece 16, and the installation and fastening mode of the resistance piece 16 is simple, convenient and easy to operate, the hollow mounting structure is adopted, so that the heat dissipation performance of the resistor 16 is better in the using process; when a device is put into use, when a high-speed rail passes through, a certain vibration can be generated on a buried resistance piece 16, when a mounting seat 2 vibrates and moves downwards, the supporting feet 3 at the bottom of the mounting seat can downwards extrude the pushing blocks 4, so that four groups of pushing blocks 4 positioned in the base 1 synchronously slide inwards, the pushing blocks 4 drive the sliding sleeve 8 to upwards slide along the vertical rod 6 through the supporting arms 10 in the process of sliding inwards to extrude the extrusion springs 9 sleeved on the outer sides of the vertical rod 6, the base 1 with the structure can disperse impact force in the vertical direction generated by vibration to the horizontal direction, the impact force can be buffered, the resistance piece 16 arranged in the mounting seat 2 is further subjected to anti-vibration protection, after the impact force generated by vibration is dispersed, the sliding sleeve 8 downwards slides along the vertical rod 6 under the action of the extrusion springs 9, and pushes the four groups of pushing blocks 4 to synchronously slide towards the outer side of the base 1 through the supporting arms 10, install the cooperation in base 1's inside bottom and push away 4 gliding slide rail 5 of piece, slide rail 5 is narrow structure under wide, avoid pushing away the displacement that piece 4 takes place vertical direction, guarantee pushes away the stability that piece 4 slided on the horizontal direction, push away the lateral wall of piece 4 through its slope and extrude the slope inner wall of spike 3, make spike 3 drive mount pad 2 along vertical direction rebound, when installing stopper 301 in the spike 3 outside and remove the position department of bending to the inside top of base 1, then can restrict continuation of mount pad 2 and shift up, realize the injecing to mount pad 2 sliding range, avoid mount pad 2 to break away from base 1, influence the normal use of resistance piece 16.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a non-inductive non-metallic resistor, includes base (1), resistance spare (16) and electrode (24), its characterized in that, the inside fixedly connected with montant (6) of base (1), the outside sliding connection of montant (6) has sliding sleeve (8), the top fixedly connected with baffle (7) of montant (6), the outside of montant (6) is located and is equipped with extrusion spring (9) between baffle (7) and sliding sleeve (8), the outside sliding connection that the inside of base (1) is located montant (6) has four groups of pushing block (4) that are the annular and distribute, four groups rotate between pushing block (4) and sliding sleeve (8) and be connected with support arm (10), the upside sliding connection of base (1) has mount pad (2), the bottom fixedly connected with cooperation pushing block (4) of mount pad (2) uses and is four group supporting legs (3) that the annular distributes, the upper end of the mounting seat (2) is rotatably connected with an adapter plate (11), a resistor (16) is arranged inside the adapter plate (11), an electrode (24) matched with the resistor (16) for use is arranged at the outer end of the adapter plate (11), four groups of clamping arms (14) distributed in an annular shape are rotatably connected to the upper end of the mounting seat (2) and positioned outside the adapter plate (11), a butting plate (15) matched with the resistor (16) for fixation is rotatably connected to the free end of each clamping arm (14), four groups of adapter sleeves (13) matched with the clamping arms (14) for use and distributed in an annular shape are rotatably connected to the inner part of each clamping arm (14), a rotating plate (17) is fixedly connected to the outer end of the adapter plate (11), a frame plate (18) is fixedly connected to one side of the mounting seat (2), and a driving motor (19) is installed at the outer end of the frame plate (18), the output end of the driving motor (19) is positioned on the inner side of the driving motor (19) and is connected with a screw rod (20) in a transmission manner, and the outer side of the screw rod (20) is connected with a threaded sleeve (21) matched with the rotating plate (17) in a screwing manner.

2. The non-inductive non-metallic resistor as claimed in claim 1, wherein the bottom end of the base (1) is fixedly connected with a slide rail (5) which is matched with the pushing block (4) to slide.

3. A non-inductive non-metallic resistor according to claim 2, characterized in that the slide rail (5) is of a wide-top and narrow-bottom structure.

4. A non-inductive non-metallic resistor according to claim 2, characterized in that the pushing block (4) has an engaging groove (401) inside for cooperating with the sliding rail (5).

5. The non-inductive non-metallic resistor according to claim 3, wherein the side of the four pushing blocks (4) close to the supporting foot (3) is in a slope structure, and the side of the four supporting feet (3) close to the pushing blocks (4) is provided with a slope adapted to the pushing blocks (4).

6. A non-inductive non-metallic resistor according to claim 5, characterized in that the outer sides of the four groups of supporting legs (3) are fixedly connected with limit blocks (301) for limiting the sliding range of the mounting base (2).

7. A non-inductive non-metallic resistor according to claim 6, characterized in that the inside of the mounting seat (2) on the upper side of the baffle (7) has a recess (201).

8. A non-inductive non-metallic resistor according to claim 1, characterized in that the adapter plate (11) has a strip-shaped slot (12) inside which the clamping arm (14) is engaged to rotate.

9. A non-inductive non-metallic resistor according to claim 1, characterized in that a slider (22) is fixedly connected to the end of the screw sleeve (21) close to the rotating plate (17).

10. A non-inductive non-metallic resistor according to claim 9, characterized in that the interior of the rotating plate (17) has a slide groove (23) for cooperating with the slide (22).