WO2023231612A1

WO2023231612A1 - Convenient-to-install telemetering resistance box

Info

Publication number: WO2023231612A1
Application number: PCT/CN2023/088224
Authority: WO
Inventors: 王海鸿; 康永红; 白贤涛
Original assignee: 呼伦贝尔安泰热电有限责任公司汇流河发电厂
Priority date: 2022-05-31
Filing date: 2023-04-13
Publication date: 2023-12-07
Also published as: CN115050528B; CN115050528A

Abstract

The present invention provides a convenient-to-install telemetering resistance box, comprising: a resistance box, comprising a box body and an adjustable resistor arranged in the box body, a first connecting end and a second connecting end being respectively arranged on two sides of the adjustable resistor, on-off control assemblies being arranged on the side surfaces of the first connecting end and the second connecting end, and a through wire hole being formed in the box body and being arranged perpendicular to the on-off control assemblies; and a fastening assembly, comprising a clamping block arranged on the outer side of the box body, an arc-shaped notch being formed in the clamping block, and locking pieces being arranged on two sides of the clamping block. Various cross rod supports are arranged at resistance adjustment work measurement points or rod body columns are arranged during aloft work; according to the resistance box provided in the present invention, the fastening assembly on the box body can be used for mounting on a rod body; fastening and tight clamping are implemented by means of the locking pieces; resistance is adjusted and data is recorded by means of circuit connection that is easy to operate; dangers are avoided, and the safety of operators is guaranteed.

Description

A telemetry resistance box that is easy to install

Technical field

The present invention relates to the technical field of resistance boxes, and in particular, to a remote sensing resistance box that is easy to install.

Background technique

In thermal power plants, it is often necessary to conduct transmission experiments on the temperature measuring elements of various equipment. When transmitting resistance temperature measuring elements, since the measuring point is far away from the temperature display position, this work is usually carried out by two people, using a walkie-talkie during the process. Make contact. The personnel at the temperature measuring point use a variable resistance box to change the resistance value. The personnel at the temperature display position are responsible for recording the corresponding relationship between the resistance value and the temperature value. Each temperature measuring point generally needs to change at least 5 resistance values. A general-sized thermal power unit There are about 500 resistance temperature measurement points. Such measurement points exist in various environments. The resistance box is difficult to hook up and place for testing, which is prone to danger. At the same time, the wiring is troublesome and the testing process is cumbersome.

Contents of the invention

The purpose of this section is to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, the abstract and the title of the invention to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions cannot be used to limit the scope of the invention.

Therefore, the technical problem to be solved by the present invention is to overcome the defects in the prior art and thereby provide a telemetry resistance box that is easy to install.

In order to solve the above technical problems, the present invention provides the following technical solution: a telemetry resistance box that is easy to install, including a resistance box, including a box body and an adjustable resistor arranged in the box body. The two sides of the adjustable resistor are respectively A first connection end and a second connection end are provided. On-off control components are provided on the sides of the first connection end and the second connection end. A wiring hole is provided on the box body and is arranged vertically with the on-off control component. ; The fastening assembly includes a clamping block arranged on the outside of the box. The clamping block is provided with an arc-shaped notch, and locking pieces are provided on both sides of the clamping block.

As a preferred solution for the easy-to-install telemetry resistance box of the present invention, the on-off control component is symmetrically arranged on both sides of the first connection end and the second connection end and has the same structure. The assembly includes a toggle block and a transverse rod arranged in the box. The toggle block is sleeved on the transverse rod. A torsion spring is provided between the transverse rod and the toggle block for connection. The torsion spring always drives the toggle block to move in a direction away from the corresponding first connection end and the second connection end.

As a preferred solution of the telemetry resistance box that is easy to install according to the present invention, wherein: the first The connecting end and the second connecting end include a guide plate and a energizing plate arranged in the box. The curvature of the guide plate cooperates with the toggle block. When the toggle block rotates, the distance between the lower end and the guide plate is less than the required distance. The diameter of the wire in the wire hole, the energizing plate is arranged above the guide plate, the energizing plate is provided with an arc-shaped opening that matches the wire, the toggle block rotates to the extreme position and is on the energizing plate The curved mouth fits the clamping wire.

As a preferred solution for the easy-to-install telemetry resistance box of the present invention, the guide plate is made of insulating material, and the energizing plate is made of conductive material.

As a preferred solution for the easy-to-install telemetry resistance box of the present invention, a circular sleeve is provided at the upper end of the toggle block, and the circular sleeve is arranged outside the transverse rod. A protruding block is provided, and a pushing unit is provided on the box to cooperate with the protruding block.

As a preferred solution for the easy-to-install telemetry resistance box of the present invention, the pushing unit includes a first square plate fixedly connected to the box, and a second square plate is provided on the first square plate, so The first square plate and the second square plate are connected through springs, the first square plate is provided with a through hole, the second square plate is coaxially provided with a threaded hole, and the threaded hole is provided with an internal meshing There is a rotating rod, and a push plate is connected below the rotating rod, and the push plate pushes the protruding block.

As a preferred solution for the telemetry resistance box that is easy to install according to the present invention, the fastening component further includes a sealed groove arranged in an arc-shaped notch, and gas is provided in the sealed groove. An extrusion block is slidingly connected to the airtight groove. A sliding track is provided in the airtight groove. The extrusion block is vertically slidingly connected to the airtight groove along the sliding rail. An air flow channel is provided on the side of the airtight groove. The air flow channel is connected to a locking groove provided in the clamping block, and the locking member is provided in the locking groove and is slidably connected to the locking groove.

As a preferred solution for the easy-to-install telemetry resistance box of the present invention, the locking groove is only connected to the air flow channel, the sealing groove, the air flow channel and the locking groove form a closed space, and the locking groove is moved Squeeze the block to push the locking piece to move.

As a preferred solution of the telemetry resistance box that is easy to install according to the present invention, a trapezoidal gap is provided in the sealed groove, and the trapezoidal gap gradually decreases from the outside close to the sealed groove to the inner groove of the sealed groove. Small, there are locking plates on both sides of the extrusion block to cooperate with the trapezoidal gap. The locking plates are elastic. The two sides of the locking plate always keep open near the outer end. The locking plates are open. The widest open state is equal to the widest point of the trapezoidal gap.

As a preferred solution of the telemetry resistance box that is easy to install according to the present invention, wherein: the locking The locking parts are symmetrically arranged on both sides of the fastening component. The sliding direction of the locking part is perpendicular to the extension direction of the fastening component and the two are correspondingly close to or away from each other. The corresponding surface of the locking part is provided with an increaser. Anti-slip texture for high friction.

Beneficial effects of the present invention: There will be various cross-bar brackets at the working measurement points for resistance adjustment or poles and columns when working at high altitudes. The resistance box provided by this invention can be hooked to the resistance box using the fastening components on the box. The rod body is fastened and blocked by locking parts, and the resistance is adjusted and data is recorded through easy-to-operate line connections, which will not cause danger and ensure the safety of workers.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without exerting any creative effort. in:

Figure 1 is a schematic diagram of the overall structure of a remote sensing resistance box of the present invention that is easy to install;

Figure 2 is an exploded schematic diagram of the internal structure of a telemetry resistance box that is easy to install according to the present invention;

Figure 3 is a cross-sectional view of the internal structure of a remote sensing resistance box of the present invention that is easy to install;

Figure 4 is a cross-sectional view of the fastening assembly of a telemetry resistance box that is easy to install according to the present invention;

Figure 5 is a schematic diagram of the fastening assembly of a telemetry resistance box of the present invention that is easy to install;

Figure 6 is a schematic diagram of an arc-shaped sleeve of a telemetry resistance box that is easy to install according to the present invention;

Figure 7 is an enlarged schematic diagram of the structure of part A in Figure 6 of a telemetry resistance box of the present invention that is easy to install.

Detailed ways

In order to make the above objects, features and advantages of the present invention more obvious and understandable, the specific implementation modes of the present invention will be described in detail below with reference to the accompanying drawings.

Many specific details are set forth in the following description to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Those skilled in the art can do so without departing from the connotation of the present invention. Similar generalizations are made, and therefore the present invention is not limited to the specific embodiments disclosed below.

Example 1

As shown in Figures 1-4, the present invention provides a telemetry resistance box that is easy to install, including a resistance box 100, which includes a box 101 and an adjustable resistor arranged in the box 101. The adjustable resistors are set on both sides. There are a first connection end 102 and a second connection end 103, and the first connection end 102 and the second connection end 103 side An on-off control component 104 is provided, and a wiring hole 105 is provided on the box 101 and is arranged vertically with the on-off control component 104;

The fastening assembly 200 includes a clamping block 201 arranged outside the box 101. The clamping block 201 is provided with an arc-shaped notch 202, and locking parts are provided on both sides of the clamping block 201.

The on-off control component 104 is symmetrically arranged on both sides of the first connection end 102 and the second connection end 103 and has the same structure. The on-off control component 104 includes a toggle block 104a and a transverse rod 104b disposed in the box 101. The toggle block 104a is sleeved on the transverse rod 104b. A torsion spring 104c is provided between the transverse rod 104b and the toggle block 104a for connection. The torsion spring 104c always drives the toggle block 104a away from the corresponding first connection end 102 and the second connection end. 103 direction for movement.

The first connection end 102 and the second connection end 103 include a guide plate 102a and a energizing plate 102b arranged in the box 101. The curvature of the guide plate 102a cooperates with the toggle block 104a. When the toggle block 104a rotates, the lower end and the guide plate 102a The distance is less than the diameter of the wires in the wire hole 105. The energizing plate 102b is arranged above the guide plate 102a. The energizing plate 102b is provided with an arc-shaped opening 102c that matches the wires. The toggle block 104a rotates to the extreme position and is on the side of the energizing plate 102b. The arc-shaped mouth 102c cooperates with the clamping wire.

The guide plate 102a is made of insulating material, and the energizing plate 102b is made of conductive material.

The upper end of the toggle block 104a is provided with a circular sleeve 104d. The circular sleeve 104d is sleeved on the outside of the transverse rod 104b. The circular sleeve 104d is provided with a protruding block 104e. The box 101 is provided with a pushing unit 106 and a protruding block 104e. Cooperate.

The pushing unit 106 includes a first square plate 106a fixedly connected to the box 101. A second square plate 106b is provided on the first square plate 106a. The first square plate 106a and the second square plate 106b are connected by a spring 106c. The first square plate 106a is provided with a through hole 106d, and the second square plate 106b is coaxially provided with a threaded hole 106e. A rotating rod 106f is provided in the threaded hole 106e, and a push plate 106g is connected below the rotating rod 106f. The push plate 106g Push the raised block 104e.

The fastening assembly 200 also includes a sealed groove 204 provided in the arc-shaped notch 202. Gas is provided in the sealed groove 204. An extrusion block 205 is slidably connected to the sealed groove 204. A sliding track 202a is provided in the sealed groove 204. The extrusion block 205 is vertically slidably connected to the sealing groove 204 along the sliding track 202a. An airflow channel 206 is provided on the side of the sealing groove 204. The airflow channel 206 is connected to the locking groove 207 provided in the clamping block 201. The locking member 203 It is arranged in the locking groove 207 and is slidably connected with the locking groove 207 .

The locking groove 207 is only connected to the air flow channel 206. The sealing groove 204, the air flow channel 206 and the locking groove 207 form a closed space. Moving the extrusion block 205 pushes the locking member 203 to move.

A trapezoidal notch 204a is provided in the sealing groove 204. The trapezoidal notch 204a gradually decreases from the outside close to the sealing groove 204 to the inner groove of the sealing groove 204. Locking plates 205a are provided on both sides of the extrusion block 205 to cooperate with the trapezoidal notch 204a to lock. The plate 205a is elastic, and the two sides of the locking plate 205a always keep open near the outer end. The widest opening of the locking plate 205a is equal to the widest part of the trapezoidal gap 204a.

The locking parts 203 are symmetrically arranged on both sides of the fastening component 200. The sliding direction of the locking part 203 is perpendicular to the extension direction of the fastening component 200 and the two are correspondingly close to or away from each other. The corresponding surface of the locking part 203 is provided with an increase Frictional anti-slip texture 203a.

Other features are the same as Embodiment 1.

Operation process: During installation, the operator presses the locking plate 205a, causing the locking plate 205a to slide in the sliding track 202a. At the same time, the gas in the sealed groove 204 is compressed, causing the gas to move away from the gas flow channel. The direction of the sealing groove 204 moves, thereby ejecting the locking member 203 outward, and after ejection, the main clamping rod is clamped.

Example 2

As shown in Figures 5-7, this embodiment is different from the previous embodiment in that the shell 101 is provided with a stripping assembly 300. The stripping assembly 300 allows the operator to simultaneously remove the wires when inserting them into the shell. The layer is peeled off. In this embodiment, the peeling assembly 300 includes an arcuate sleeve 600 disposed on the housing 101. A razor plate 301 is hinged at the end of the arcuate sleeve 600. The shape of the razor plate 301 is: Sector-shaped, the razor plate 301 is arranged along the arc of the arc sleeve 600, surrounding it in an arc shape, and the rotation plane of each razor plate 301 is the radial direction of the housing, and then at the front end of each razor plate 301 A razor blade 302 is provided, and the razor blade 302 is arranged toward the outside of the housing. After the razor blades 302 are gathered together, a space will be left at the center of the blade. The overall shape of this space is a circle, and the diameter of the circle is the diameter of the wire core. , at the same time, a first torsion spring 407b is also provided at the hinge of each razor plate 301. The first torsion spring 407b always drives the razor plates 301 to rotate in the direction of coming closer to each other, thereby always keeping the razors in a gathered state, and the razors The end of the blade 302 is also folded to have a blade edge, and when the operator inserts the wire, he will use the razor blade 302 to peel off the outer insulation layer of the wire along with the insertion movement. Furthermore, in order to enable the When performing the stripping operation, the stripping operation can be more complete. An auxiliary cutter is also provided at the end of the arc-shaped pressing plate. The auxiliary cutter can cooperate with the razor blade 302 to strip the outer layer of the conductor.

Further, in this embodiment, the auxiliary tool position 303 includes a rotating ring 303a slidably connected to the arc-shaped sleeve 600. The rotating ring 303a is in the shape of a semi-arc barrel, and is located under the rotating ring 303a. The end is also rotatably connected with a number of annular knives 303b, the rotation plane of the annular knife 303b is along the radial direction of the rotating ring 303a, and the shape of the annular knife 303b is a fan shape, and a number of cutting teeth are also provided on the outer peripheral wall of the annular knife 303b. 303c, the cutting teeth 303c are interconnected tapered blades, and a flange 303d is also provided at the lower end of the arc sleeve 600 close to the rotating ring 303a. The flange 303d is turned outwards, and the cross-sectional shape of the flange 303d is It is trapezoidal, and a chute 500 that cooperates with the rotating ring 303a is provided at the lower end of the arc-shaped sleeve 600. The chute 500 is used for the sliding movement of the rotating ring 303a, and there is also a chute 500 between the chute 500 and the rotating ring 303a. Elastic member 501, in this embodiment, elastic member 501 drives the rotating ring to move upward.

Other features are the same as Embodiment 1.

It is important to note that the construction and arrangements of the present application shown in various exemplary embodiments are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reviewing this disclosure will readily appreciate that many modifications are possible without materially departing from the novel teachings and advantages of the subject matter described in this application. are possible (e.g. variations in size, scale, structure, shape and proportion of various elements, as well as parameter values (e.g. temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.). For example, an element shown as integrally formed may be constructed from multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be changed or reordered 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, operation and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the invention is not limited to particular embodiments, but extends to various modifications which still fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation may be described (i.e., those features that are not relevant to the best mode presently contemplated for carrying out the invention, or that are not relevant to carrying out the invention) feature).

It is understood that numerous implementation-specific decisions may be made during the development of any actual implementation, as in any engineering or design project. Such a development effort might be complex and time consuming, but would be a routine undertaking of design, manufacture and production without undue experimentation to those of ordinary skill having the benefit of this disclosure .

It should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solution of the present invention can be carried out. Modifications or equivalent substitutions without departing from the spirit and scope of the technical solution of the present invention shall be included in the scope of the claims of the present invention.

Claims

A telemetry resistance box that is easy to install, characterized by: including,

The resistance box (100) includes a box body (101) and an adjustable resistor arranged in the box body (101). The adjustable resistor is provided with a first connection end (102) and a second connection end respectively on both sides. (103), the first connection end (102) and the second connection end (103) are provided with on-off control components (104) on the sides, and the box (101) is provided with a wiring hole (105) to connect the The on-off control component (104) is arranged vertically;

The fastening assembly (200) includes a clamping block (201) arranged outside the box (101). The clamping block (201) is provided with an arc-shaped notch (202). The clamping block (201) 201) Locking parts are provided on both sides.
The easy-to-install telemetry resistance box according to claim 1, characterized in that: the on-off control component (104) is symmetrically arranged on both sides of the first connection end (102) and the second connection end (103). The structure is the same. The on-off control assembly (104) includes a toggle block (104a) and a transverse rod (104b) arranged in the box (101). The toggle block (104a) is sleeved on the On the transverse rod (104b), a torsion spring (104c) is provided for connection between the transverse rod (104b) and the toggle block (104a). The torsion spring (104c) always drives the toggle block (104c). 104a) Move in a direction away from the corresponding first connection end (102) and the second connection end (103).
The easy-to-install telemetry resistance box according to claim 2, characterized in that: the first connection end (102) and the second connection end (103) include a guide plate (102a) arranged in the box (101) and the energizing plate (102b), the curvature of the guide plate (102a) cooperates with the toggle block (104a), and when the toggle block (104a) rotates, the distance between the lower end and the guide plate (102a) is less than The diameter of the conductor in the conductor hole (105), the conductive plate (102b) is arranged above the guide plate (102a), and the conductive plate (102b) is provided with an arc-shaped opening (102c) that matches the conductor. , the toggle block (104a) rotates to the extreme position and is in the arc-shaped opening (102c) of the energizing plate (102b) to cooperate with the clamping wire.
The telemetry resistance box that is easy to install according to claim 3, characterized in that: the guide plate (102a) is made of insulating material, and the energizing plate (102b) is made of conductive material.
The telemetry resistance box that is easy to install according to claim 4, characterized in that: the upper end of the toggle block (104a) is provided with a circular sleeve (104d), and the circular sleeve (104d) is sleeved in the transverse direction. Outside the rod (104b), the circular sleeve (104d) is provided with a protruding block (104e), and the box (101) is provided with a pushing unit (106) to cooperate with the protruding block (104e).
The easy-to-install telemetry resistance box according to claim 5, characterized in that: the pushing unit (106) includes a first square plate (106a) fixedly connected to the box (101), and the first square plate (106a) is provided with a second square plate (106b). The first square plate (106a) and the second square plate (106b) are connected through a spring (106c). The first square plate (106a) A through hole (106d) is provided on the second square plate (106b), a threaded hole (106e) is coaxially provided on the second square plate (106b), and a rotating rod (106f) is provided in the threaded hole (106e). The rotating rod A push plate (106g) is connected below (106f), and the push plate (106g) pushes the protruding block (104e).
The telemetry resistance box that is easy to install according to claim 6, characterized in that: the fastening assembly (200) further includes a sealing groove (204) disposed in the arc-shaped notch (202), the sealing groove (204) ) is provided with gas, an extrusion block (205) is slidably connected to the airtight groove (204), a sliding track (202a) is provided in the airtight groove (204), and the extrusion block (205) The sliding track (202a) is vertically slidably connected to the sealed groove (204). An airflow channel (206) is provided on the side of the sealed groove (204). The airflow channel (206) is connected to the clamping block. The locking groove (207) in the locking groove (201), the locking member (203) is arranged in the locking groove (207) and is slidably connected with the locking groove (207).
The telemetry resistance box that is easy to install according to claim 7, characterized in that: the locking groove (207) is only connected to the air flow channel (206), and the sealing groove (204) and the air flow channel (206) A closed space is formed with the locking groove (207), the extrusion block (205) is moved, and the locking piece (203) is pushed to move.
The telemetry resistance box that is easy to install according to claim 8, characterized in that: a trapezoidal gap (204a) is provided in the airtight groove (204), and the trapezoidal gap (204a) is close to the airtight groove (204). The outer side gradually decreases toward the inner side of the sealed groove (204), and locking plates (205a) are provided on both sides of the extrusion block (205) to cooperate with the trapezoidal notch (204a). The locking plates (205a) ) has elasticity, and the two sides of the locking plate (205a) always keep open near the outer end. The widest opened state of the locking plate (205a) is equal to the widest part of the trapezoidal gap (204a).
The telemetry resistance box that is easy to install according to claim 9, characterized in that: the locking parts (203) are symmetrically arranged on both sides of the fastening assembly (200), and the locking parts (203) slide The direction is perpendicular to the extension direction of the fastening component (200) and the two are closer or farther away correspondingly. The corresponding surface of the locking component (203) is provided with anti-slip textures (203a) that increase friction.