A device for measuring the starting torque of a micro slip ring

Abstract

The present invention discloses a device for measuring the starting torque of a micro slip ring, and relates to the technical field of conductive slip rings. The present invention comprises a fixed cylinder and a pointer, wherein a through hole is penetrated through one end face of the fixed cylinder, a rotating shaft is rotatably matched with the inner wall of the through hole, a mounting ring is fixed to the peripheral side of the rotating shaft, an annular mounting groove is provided on the peripheral side of the mounting ring, two clamping plates are symmetrically fixed between the inner walls of the annular mounting groove, a plug hole is provided on one surface of the clamping plate, an arc-shaped elastic plate is fixed to one end of the pointer, the side of the arc-shaped elastic plate matches the inside of the annular mounting groove, and two pins are symmetrically fixed to the outer wall of the arc-shaped elastic plate. Through the design of the mounting ring, the annular mounting groove, the clamping plate, the arc-shaped elastic plate and the plug, the arc-shaped elastic plate of the pointer is manually inserted into the annular mounting groove of the mounting ring, and the plug at one end of the arc-shaped elastic plate is inserted into the plug hole of the clamping plate, so as to facilitate the disassembly and assembly of the pointer, facilitate the replacement of the pointer, and improve the use effect of the test device.

Description

Technical Field

[0001] The invention belongs to the technical field of conductive slip rings, and in particular relates to a device for measuring the starting torque of a micro slip ring. Background Art

[0002] Micro slip rings are power transmission devices that realize energy and telecommunication transmission between two relatively rotating mechanisms. They are mainly composed of slip ring bodies, brush assemblies, combined brackets, bearings and other components. The brush wires of the slip rings are in a "Π" shape and are in symmetrical double contact with the ring grooves of the slip ring bodies. The elastic pressure of the brush wires and the sliding contact with the ring grooves are used to transmit signals and energy. The starting torque of the micro slip ring is small, so a high-precision and precise testing device is required.

[0003] The pointer of the existing micro slip ring starting torque measuring device has a simple structure and a fixed installation method, which makes it inconvenient to replace a damaged pointer, thus affecting the use efficiency of the test device. Summary of the invention

[0004] The purpose of the present invention is to provide a device for measuring the starting torque of a micro slip ring. Through the design of a mounting ring, an annular mounting groove, a clamping plate, an arc-shaped elastic plate and a latch, the problem of a pointer of an existing micro slip ring starting torque measuring device having a simple pointer structure and a fixed mounting method, which makes it inconvenient to replace a damaged pointer and affects the use efficiency of the test device is solved.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention provides a device for measuring the starting torque of a micro slip ring, comprising a fixed cylinder and a pointer, wherein a through hole is penetrated on one end face of the fixed cylinder, a rotating shaft is rotatably matched on the inner wall of the through hole, a mounting ring is fixed on the circumferential side face of the rotating shaft, an annular mounting groove is provided on the circumferential side face of the mounting ring, two clamping plates are symmetrically fixed between the inner walls of the annular mounting groove, a plug hole is provided on one surface of the clamping plate, an arc-shaped elastic plate is fixed on one end of the pointer, the side face of the arc-shaped elastic plate matches with the inside of the annular mounting groove, two pins are symmetrically fixed on the outer wall of the arc-shaped elastic plate, and one end of the pins matches with the inside of the plug hole.

[0007] Furthermore, an annular groove is formed on one end surface of the fixed column close to the mounting ring, a sliding block is slidably fitted on the inner wall of the annular groove, and an L-shaped support rod is fixed to one side of the sliding block.

[0008] Furthermore, a support ring is fixed to the peripheral side of the rotating shaft, and one end of the L-shaped support rod is fixedly connected to the bottom of the support ring.

[0009] Furthermore, a limiting block is fixed to one end of the rotating shaft away from the mounting ring, and a side surface of the limiting block is in contact with a side surface of the fixed column.

[0010] Furthermore, a plurality of ear plates are fixed to the side surface of the fixed column, a limit spring is fixed to one side surface of the ear plate, and one end of the limit spring is fixedly connected to the peripheral side surface of the limit block.

[0011] Furthermore, an oil storage box is installed on the top of the fixed column, and the side surface of the oil storage box is connected to the inside of the through hole through a hose.

[0012] Furthermore, an oil guide groove is provided at the bottom of the through hole, an oil receiving box is installed at the bottom of the fixed column, and the bottom of the oil guide groove is connected to the inside of the oil receiving box through a hose.

[0013] Furthermore, an adapter is fixed to one end of the rotating shaft, a miniature slip ring is clamped to one end of the adapter, and scale lines are provided on the peripheral side surface of the fixed column close to the pointer.

[0014] The present invention has the following beneficial effects:

[0015] 1. The present invention, through the design of the mounting ring, the annular mounting groove, the card plate, the arc-shaped elastic plate and the latch, manually inserts one end of the arc-shaped elastic plate of the pointer into the annular mounting groove of the mounting ring, and inserts the latch at one end of the arc-shaped elastic plate into the insertion hole of the card plate, then manually presses the arc-shaped elastic plate to bend and deform, and inserts the other end of the arc-shaped elastic plate into the annular mounting groove of the mounting ring, and at the same time, the latch at the other end of the arc-shaped elastic plate is also inserted into the insertion hole of the card plate, thereby completing the installation of the pointer, facilitating the disassembly and assembly of the pointer, and facilitating the replacement of the pointer, avoiding the problem that the pointer installation method of the existing miniature slip ring starting torque measuring device is fixed, it is inconvenient to replace the damaged pointer, and affects the use efficiency of the test device.

[0016] 2. The present invention adopts the design of an annular groove, a slider, an L-shaped support rod and a support ring. The rotating shaft rotates with the L-shaped support rod through the support ring. The L-shaped support rod rotates along the annular groove on the end face of the fixed column with the slider. At the same time, the L-shaped support rod supports the rotating shaft to prevent the rotating shaft from bending due to the assembly of the adapter with a micro slip ring or long-term use, thereby ensuring that the rotating shaft can be rotated and used normally.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a device for measuring the starting torque of a micro slip ring;

[0020] Figure 2 It is a structural schematic diagram of the present invention from a left perspective;

[0021] Figure 3 It is a structural front view of the present invention;

[0022] Figure 4 is a schematic diagram of the structure of the adapter;

[0023] Figure 5 It is a schematic diagram of the structure of the mounting ring;

[0024] Figure 6 It is a schematic diagram of the structure of the pointer;

[0025] Figure 7 A schematic diagram of the structure inside the fixed column.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1-fixed column, 2-pointer, 101-through hole, 102-rotating shaft, 103-mounting ring, 104-annular mounting groove, 105-clip plate, 106-annular slide groove, 107-slider, 108-L-shaped support rod, 109-support ring, 110-limit block, 111-ear plate, 112-limit spring, 113-oil storage box, 114-oil receiving box, 115-adapter, 116-mini slip ring, 201-arc elastic plate, 202-latch pin. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-7The present invention is a device for measuring the starting torque of a micro slip ring, comprising a fixed cylinder 1 and a pointer 2. A through hole 101 is passed through one end surface of the fixed cylinder 1. A rotating shaft 102 is rotatably matched with the inner wall of the through hole 101. A mounting ring 103 is fixed to the side surface of the rotating shaft 102. An annular mounting groove 104 is provided on the side surface of the mounting ring 103. Two clamping plates 105 are symmetrically fixed between the inner walls of the annular mounting groove 104. A plug hole is provided on one surface of the clamping plate 105. An arc-shaped elastic plate 201 is fixed to one end of the pointer 2. The side surface of the arc-shaped elastic plate 201 matches the inside of the annular mounting groove 104. Two latches 202 are symmetrically fixed to the outer wall of the arc-shaped elastic plate 201. , one end of the pin 202 cooperates with the inside of the socket, manually insert one end of the arc-shaped elastic plate 201 of the pointer 2 into the annular mounting groove 104 of the mounting ring 103, and insert the pin 202 at one end of the arc-shaped elastic plate 201 into the socket of the card plate 105, then manually press the arc-shaped elastic plate 201 to bend and deform, and insert the other end of the arc-shaped elastic plate 201 into the annular mounting groove 104 of the mounting ring 103, and at the same time, the pin 202 at the other end of the arc-shaped elastic plate 201 is also inserted into the socket of the card plate 105, thereby completing the installation of the pointer 2, facilitating the disassembly and assembly of the pointer 2, facilitating the replacement of the pointer 2, and improving the use effect of the test device.

[0030] Among them Figure 1-3 As shown, an annular groove 106 is provided on one end face of the fixed column 1 close to the mounting ring 103, and a slider 107 is slidably fitted on the inner wall of the annular groove 106, an L-shaped support rod 108 is fixed on one side of the slider 107, a support ring 109 is fixed on the side surface of the rotating shaft 102, one end of the L-shaped support rod 108 is fixedly connected to the bottom of the support ring 109, the rotating shaft 102 rotates with the L-shaped support rod 108 through the support ring 109, and the L-shaped support rod 108 rotates with the slider 107 along the annular groove 106 on the end face of the fixed column 1, and at the same time the L-shaped support rod 108 supports the rotating shaft 102 to prevent the rotating shaft 102 from bending due to the assembly of the adapter 115 with the micro slip ring 116 or long-term use, thereby ensuring that the rotating shaft 102 can be rotated and used normally.

[0031] Among them Figure 2-3 As shown, a limit block 110 is fixed at one end of the rotating shaft 102 away from the mounting ring 103, and the side of the limit block 110 is in contact with the side of the fixed column 1. A plurality of ear plates 111 are fixed to the side of the fixed column 1, and a limit spring 112 is fixed to one side of the ear plate 111. One end of the limit spring 112 is fixedly connected to the side of the limit block 110. The rotating shaft 102 rotates with the limit block 110 and stretches the limit spring 112, so that the rotating shaft 102 can rotate back to the original position with the pointer 2 after testing the torque of the micro slip ring 116, which is convenient for the pointer 2 to test the torque of the micro slip ring 116 next time.

[0032] Among them Figure 7As shown, an oil storage box 113 is installed on the top of the fixed column 1, and the side of the oil storage box 113 is connected with the inside of the through hole 101 through a hose. An oil guide groove is opened at the bottom of the through hole 101, and an oil receiving box 114 is installed at the bottom of the fixed column 1. The bottom of the oil guide groove is connected with the inside of the oil receiving box 114 through a hose. The lubricating oil in the oil storage box 113 enters the through hole 101 through the hose to ensure the smoothness of the rotation of the rotating shaft 102 in the through hole 101. Then the lubricating oil in the through hole 101 is collected in the oil guide groove and flows into the oil receiving box 114 through the hose, so that the lubricating oil is recycled.

[0033] Among them Figure 2-4 As shown, an adapter 115 is fixed at one end of the rotating shaft 102, and a miniature slip ring 116 is clamped at one end of the adapter 115. A scale line is provided on the peripheral side of the fixed column 1 near the pointer 2. The miniature slip ring 116 is assembled on the adapter 115, and the measuring device is rotated. The pointer 2 rotates accordingly. The calibrated scale indicated by the pointer 2 on the scale line is the starting torque of the miniature slip ring 116, which facilitates the quick assembly and measurement of the miniature slip ring 116.

[0034] The working principle of this embodiment is as follows: when in use, one end of the arc-shaped elastic plate 201 of the pointer 2 is manually inserted into the annular mounting groove 104 of the mounting ring 103, and the latch 202 at one end of the arc-shaped elastic plate 201 is inserted into the insertion hole of the card plate 105, and then the arc-shaped elastic plate 201 is manually pressed to bend and deform, and the other end of the arc-shaped elastic plate 201 is also inserted into the annular mounting groove 104 of the mounting ring 103, and the latch 202 at the other end of the arc-shaped elastic plate 201 is also inserted into the insertion hole of the card plate 105, thereby completing The installation of pointer 2 is convenient for disassembly and assembly of pointer 2, which is conducive to the replacement of pointer 2, improves the use effect of the test device, and avoids the problem that the pointer installation method of the existing micro slip ring starting torque measuring device is fixed, it is inconvenient to replace the damaged pointer, and affects the use efficiency of the test device. The micro slip ring 116 is assembled on the adapter 115, and the measuring device is rotated. The pointer 2 follows the rotation. The calibrated scale on the scale line indicated by pointer 2 is the starting torque of the micro slip ring 116, which is convenient for the quick assembly and measurement of the micro slip ring 116.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A device for measuring the starting torque of a micro slip ring, comprising a fixed cylinder (1) and a pointer (2); characterized in that: A through hole (101) is passed through one end surface of the fixed column (1), a rotating shaft (102) is rotatably fitted on the inner wall of the through hole (101), a mounting ring (103) is fixed on the peripheral side surface of the rotating shaft (102), an annular mounting groove (104) is provided on the peripheral side surface of the mounting ring (103), two clamping plates (105) are symmetrically fixed between the inner walls of the annular mounting groove (104), and a plug hole is provided on one surface of the clamping plate (105); An arc-shaped elastic plate (201) is fixed to one end of the pointer (2), the side surface of the arc-shaped elastic plate (201) matches with the inside of the annular mounting groove (104), and two latches (202) are symmetrically fixed to the outer wall of the arc-shaped elastic plate (201), and one end of the latches (202) matches with the inside of the socket; An annular sliding groove (106) is formed on one end surface of the fixed column (1) close to the mounting ring (103); a sliding block (107) is slidably fitted on the inner wall of the annular sliding groove (106); an L-shaped support rod (108) is fixed to one side of the sliding block (107); A support ring (109) is fixed to the side surface of the rotating shaft (102), and one end of the L-shaped support rod (108) is fixedly connected to the bottom of the support ring (109); A limiting block (110) is fixed to one end of the rotating shaft (102) away from the mounting ring (103), and a side surface of the limiting block (110) is in contact with a side surface of the fixed column (1).

2. The device for measuring the starting torque of a micro slip ring according to claim 1, characterized in that: A plurality of ear plates (111) are fixed to the side of the fixed column (1), a limit spring (112) is fixed to one side of the ear plate (111), and one end of the limit spring (112) is fixedly connected to the peripheral side of the limit block (110).

3. The device for measuring the starting torque of a micro slip ring according to claim 1, characterized in that: An oil storage box (113) is installed on the top of the fixed column (1), and the side surface of the oil storage box (113) is connected to the inside of the through hole (101) via a hose.

4. The device for measuring the starting torque of a micro slip ring according to claim 3, characterized in that: An oil guide groove is provided at the bottom of the through hole (101), an oil receiving box (114) is installed at the bottom of the fixed column (1), and the bottom of the oil guide groove is connected to the inside of the oil receiving box (114) through a hose.

5. The device for measuring the starting torque of a micro slip ring according to claim 1, characterized in that: An adapter (115) is fixed to one end of the rotating shaft (102), a micro slip ring (116) is clamped to one end of the adapter (115), and scale lines are provided on the peripheral side surface of the fixed column (1) close to the pointer (2).

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