CN209910868U - Detection head of plum blossom contact finger spring clamp force detector - Google Patents
Detection head of plum blossom contact finger spring clamp force detector Download PDFInfo
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- CN209910868U CN209910868U CN201921125397.1U CN201921125397U CN209910868U CN 209910868 U CN209910868 U CN 209910868U CN 201921125397 U CN201921125397 U CN 201921125397U CN 209910868 U CN209910868 U CN 209910868U
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Abstract
The utility model discloses a detecting head of a plum-blossom-shaped contact finger spring clamping force detector, which mainly comprises a detecting block (1), a fixed seat (2), a rotating disc (3) and a push rod (4); the three detection blocks (1) are combined to form a cylinder, the outer side surface of the cylinder is provided with a circular groove, and the interior of the cylinder is provided with a horn-shaped cavity (9); the top of the fixed seat (2) is provided with three sliding chutes which are uniformly distributed; a sliding block (6) of the detection block (1) is placed in the sliding chute, and a compression spring (8) is arranged between the sliding block and the side wall of the sliding chute; a limit groove is axially arranged on the side surface of the central round hole of the fixed seat (2); the upper part of the push rod (4) is a cone, the middle lower part is a cylinder, and the middle part is provided with a limit block (5). The utility model discloses can adjust the plum blossom that detects the head and touch and indicate its spring packing force with the adaptation different specifications.
Description
Technical Field
The utility model relates to an electric power industry detection device specifically is a detection head of finger spring clamp force detector is touched to plum blossom.
Background
In an electric power system, a plum blossom contact finger is one of key parts of high-voltage switch equipment, and the size of the clamping force of the plum blossom contact finger is related to the working stability of the high-voltage switch equipment; the plum-blossom-shaped contact fingers are exposed to the atmospheric environment for a long time and frequently work, so that the plum-blossom-shaped contact fingers are easily corroded and influenced by the external environment, the clamping force of a spring on the plum-blossom-shaped contact fingers is easily reduced or failed, and serious faults such as increased contact resistance, heating and the like are caused; therefore, the clamping force of the spring on the plum blossom contact finger is detected and replaced in time, and accidents can be effectively prevented; however, as the types and specifications of the plum blossom contact fingers used in the power system are different, the plum blossom contact fingers of one specification can only be detected by using a conventional detection device, and when the plum blossom contact fingers of various specifications are detected, the detection is carried out by using a configured special detection device, so that the overhaul efficiency is undoubtedly seriously influenced.
Chinese patent CN201210446224.6 provides a device and method for measuring pressure of an inner contact finger in a moving contact of a high-voltage switch device, comprising a device body, a pressure sensor module, a signal conditioning module, a main control module and an upper computer communication module, wherein the pressure sensor module is embedded on the device body to measure vertical pressure generated by a binding spring on the contact finger when the moving contact finger of the moving contact of the high-voltage switch device is opened to enable the device body to be inserted; the signal conditioning module is connected with the pressure sensor module and used for conditioning and processing an electric signal generated by the pressure sensor module, the main control module is arranged between the signal conditioning module and the upper computer communication module, the main control module receives the electric signal processed by the signal conditioning module and sends the electric signal to an upper computer through the upper computer communication module, and the upper computer communication module is in communication connection with the upper computer and used for receiving an instruction of the upper computer. The patent also only can detect the spring pressing force of the plum blossom contact finger with a single specification, the diameter of the cylindrical device body is fixed and unchanged, and the plum blossom contact finger with the inner diameter larger than the diameter of the device body cannot be detected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide one kind and can adjust the detection head that detects head diameter size and touch the detection head that indicates with the plum blossom that adapts to different specifications.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a detection head of a plum-blossom-shaped contact finger spring clamping force detector mainly comprises a detection block, a fixed seat, a rotating disk and a push rod; the detection block is a cylinder with a fan-shaped cross section, an arc groove is arranged on the outer side surface of the upper part of the detection block, a curved groove is arranged on the inner side surface of the lower part of the detection block, a sliding block is further arranged at the bottom of the detection block, and a pressure sensor is further arranged at the center of the arc groove; the three detection blocks are combined to form a cylinder, the outer side surface of the cylinder is provided with a circular groove, and the interior of the cylinder is provided with a horn-shaped cavity; the fixed seat is a cylinder provided with a central round hole, and the top of the fixed seat is provided with three sliding chutes which are uniformly distributed; the sliding grooves are arranged along the radial direction, and the width and the depth of the sliding grooves are matched with the width and the height of the sliding blocks; the sliding block of the detection block is placed in the sliding chute, and a compression spring is arranged between the sliding block and the side wall of the sliding chute; a limit groove is axially arranged on the side surface of the central round hole of the fixed seat; the rotating disc is a cylinder provided with a central threaded hole; the upper part of the push rod is a cone matched with the horn-shaped cavity, the middle lower part of the push rod is a cylinder provided with external threads, and the middle part of the push rod is also provided with a limiting block; the upper portion of the push rod penetrates through the fixing seat to enter the horn-shaped cavity, the limiting block in the middle of the push rod is embedded into the limiting groove of the fixing seat, and the lower portion of the push rod is in threaded connection with the rotating disk.
The utility model discloses in, mainly constitute by three sectorial detection piece and detect the head, and be equipped with the circular arc recess, make it can touch the structure that indicates with the plum blossom more agree with, when measuring, detect head and plum blossom and touch the difficult displacement that takes place of indicating, install pressure sensor in the circular arc recess simultaneously, make its atress more accurate, detect more accurately. Through the threaded connection of push rod and rotary disk and the limiting displacement of fixing base, rotate the rotary disk and can realize that the push rod stretches out or retracts, when the push rod stretches out, the push rod top impels and detects the head inside, detect the piece atress and radially outwards remove, when the push rod retracts, detect the piece and reset under compression spring's elasticity effect to realized detecting the change of head diameter size, can detect the spring clamp force that the plum blossom that does not use the internal diameter specification touched the finger.
The utility model discloses explain further, the lateral surface of fixing base still be equipped with fixed handle or fixed orifices.
The utility model discloses explain further, the surface of rotary disk still be equipped with anti-skidding line.
When the pressure sensor is arranged at the front end of the plum-blossom-shaped contact finger spring clamping force detector, the pressure sensor is electrically connected with a detection system of the detector (the detection block, the fixed seat and other parts can be drilled and threaded for connection, and a wireless data transmitter can be arranged on the pressure sensor for realizing wireless connection or other connection modes, namely, technicians can select the connection mode according to actual conditions), so that pressure detection data can be conveniently received; carry out rigid connection with fixing base and detector through connecting device (can adopt the card strip to block fixed handle, also can adopt the card strip to insert in the fixed orifices, the technical staff can select fixed mode according to actual conditions promptly), guarantee that the fixing base can not rotate along with the rotary disk, realize that the push rod stretches out and retracts.
Compared with the prior art, the utility model discloses the beneficial effect who possesses:
1. the utility model discloses a flexible state of push rod changes the plum blossom that adjusts detection head's size in order to adapt to different specifications and touches and indicate to detect its spring packing force, and application range is wide, and the suitability is stronger.
2. The utility model discloses a set up three pressure sensor simultaneous measurement clubs of group and touch the packing force on the finger, calculate and synthesize the packing force, detect the precision height, and convenient to use.
3. The utility model discloses there is bellied structure characteristics to set up the circular arc recess according to the inside that the plum blossom touched the finger, can agree with the plum blossom more and touch the internal structure that the finger, when detecting the spring clamp force, detects head and plum blossom and touch and indicate difficult relative displacement that takes place.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic top view of an embodiment of the present invention.
Reference numerals: 1-detection block, 2-fixed seat, 3-rotating disk, 4-push rod, 5-limit block, 6-slide block, 7-fixed handle, 8-compression spring, 9-horn-shaped cavity, 10-arc groove and 11-pressure sensor.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1:
a detection head of a plum-blossom-shaped contact finger spring clamping force detector mainly comprises a detection block 1, a fixed seat 2, a rotating disk 3 and a push rod 4; the detection block 1 is a cylinder with a fan-shaped cross section, an arc groove 10 is arranged on the outer side surface of the upper part of the detection block 1, a curved surface groove is arranged on the inner side surface of the lower part of the detection block 1, a sliding block 6 is further arranged at the bottom of the detection block 1, and a pressure sensor 11 is further arranged at the center of the arc groove 10; the three detection blocks 1 are combined to form a cylinder, the outer side surface of the cylinder is provided with a circular groove, and the interior of the cylinder is provided with a horn-shaped cavity 9; the fixed seat 2 is a cylinder provided with a central round hole, and the top of the fixed seat is provided with three sliding chutes which are uniformly distributed; the sliding grooves are arranged along the radial direction, and the width and the depth of the sliding grooves are matched with the width and the height of the sliding block 6; the sliding block 6 of the detection block 1 is placed in the sliding chute, and a compression spring 8 is arranged between the sliding block and the side wall of the sliding chute; a limit groove is axially arranged on the side surface of the central round hole of the fixed seat 2; the rotating disc 3 is a cylinder provided with a central threaded hole; the upper part of the push rod 4 is a cone matched with the horn-shaped cavity 9, the middle lower part of the push rod is a cylinder provided with external threads, and the middle part of the push rod is also provided with a limiting block 5; the upper portion of push rod 4 pass fixing base 2 and get into loudspeaker form cavity 9, the stopper 5 embedding fixing base 2 of 4 middle parts of push rod is in the spacing groove, the lower part and the 3 threaded connection of rotary disk of push rod. The outer side surface of the fixed seat 2 is also provided with two fixed handles 7
Example 2:
this example differs from example 1 only in that: the outer side surface of the fixed seat 2 is also provided with a fixed hole.
Example 3:
this example differs from example 1 only in that: the outer surface of the rotating disc 3 is also provided with anti-skid grains.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (3)
1. The utility model provides a detection head of plum blossom contact finger spring clamp force detector which characterized in that: mainly comprises a detection block (1), a fixed seat (2), a rotating disk (3) and a push rod (4);
the detection block (1) is a cylinder with a fan-shaped cross section, an arc groove (10) is arranged on the outer side surface of the upper part of the detection block (1), a curved surface groove is arranged on the inner side surface of the lower part of the detection block (1), a sliding block (6) is further arranged at the bottom of the detection block (1), and a pressure sensor (11) is further arranged at the center of the arc groove (10);
the three detection blocks (1) are combined to form a cylinder, the outer side surface of the cylinder is provided with a circular groove, and the interior of the cylinder is provided with a horn-shaped cavity (9);
the fixed seat (2) is a cylinder provided with a central round hole, and the top of the fixed seat is provided with three sliding chutes which are uniformly distributed; the sliding grooves are arranged along the radial direction, and the width and the depth of the sliding grooves are matched with the width and the height of the sliding blocks (6); a sliding block (6) of the detection block (1) is placed in the sliding chute, and a compression spring (8) is arranged between the sliding block and the side wall of the sliding chute;
a limit groove is axially arranged on the side surface of the central round hole of the fixed seat (2);
the rotating disc (3) is a cylinder with a central threaded hole;
the upper part of the push rod (4) is a cone matched with the horn-shaped cavity (9), the middle lower part of the push rod is a cylinder provided with external threads, and the middle part of the push rod is also provided with a limit block (5);
the upper portion of push rod (4) pass fixing base (2) and get into loudspeaker form cavity (9), stopper (5) embedding the spacing inslot of fixing base (2) in push rod (4) middle part, the lower part and rotary disk (3) threaded connection of push rod.
2. The detecting head of the plum blossom contact finger spring clamping force detector according to claim 1, characterized in that: the outer side surface of the fixed seat (2) is also provided with a fixed handle (7) or a fixed hole.
3. The detecting head of the plum blossom contact finger spring clamping force detector according to claim 1, characterized in that: the outer surface of the rotating disc (3) is also provided with anti-skid lines.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493926 | 2019-04-12 | ||
| CN2019204939267 | 2019-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209910868U true CN209910868U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921125397.1U Active CN209910868U (en) | 2019-04-12 | 2019-07-18 | Detection head of plum blossom contact finger spring clamp force detector |
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| CN (1) | CN209910868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804341A (en) * | 2021-09-16 | 2021-12-17 | 贵州电网有限责任公司 | Adjustable pressure detection device for contact of isolating switch |
-
2019
- 2019-07-18 CN CN201921125397.1U patent/CN209910868U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804341A (en) * | 2021-09-16 | 2021-12-17 | 贵州电网有限责任公司 | Adjustable pressure detection device for contact of isolating switch |
| CN113804341B (en) * | 2021-09-16 | 2024-04-12 | 贵州电网有限责任公司 | Adjustable isolating switch contact pressure detection device |
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