CN211929403U - High-voltage current-limiting fuse gland device - Google Patents
High-voltage current-limiting fuse gland device Download PDFInfo
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- CN211929403U CN211929403U CN202020807671.XU CN202020807671U CN211929403U CN 211929403 U CN211929403 U CN 211929403U CN 202020807671 U CN202020807671 U CN 202020807671U CN 211929403 U CN211929403 U CN 211929403U
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- compression leg
- resistance
- insulator foot
- detection device
- limiting fuse
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Abstract
The utility model belongs to the technical field of high pressure current-limiting fuse production and specifically relates to a high pressure current-limiting fuse capping device, including capping mechanism, insulator foot, support base and resistance detection device, wherein insulator foot locates on supporting the base, treats that the gland product is located on the insulator foot, capping mechanism is equipped with the compression leg of liftable, just the compression leg lower extreme is equipped with the pressure head, and treat that the gland product is located the pressure head below the compression leg lower extreme is equipped with the connection contact be equipped with the wire in the insulator foot, the connection contact passes through circuit and resistance detection device's sense terminal N and ground, the wire is connected with resistance detection device's sense terminal L. The utility model discloses can test the resistance and the break-make data of fuse-element product in the pressure equipment end cover to can reduce a station link, and guarantee at least that an end cap is not destroyed when handling the defective work, practice thrift manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of high pressure current limiting fuse production and specifically relates to a high pressure current limiting fuse capping device.
Background
In the prior art, the production process of a high-voltage current-limiting fuse is divided into five links, wherein two links are used for testing the resistance and the on-off condition of a fuse element; the second testing step is that after the integral fuse link is manufactured, testing is needed, qualified products are regarded as qualified products, unqualified end covers at two ends are destructively removed, the end covers at two ends are scrapped, then other parts are re-detected according to conditions, and the qualified products can be used.
The scheduling process has some disadvantages, for example, after the second testing link, two end covers are lost when unqualified products are processed, whether internal parts are damaged in the disassembling process is unknown, and the production cost is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high pressure current-limiting fuse capping device can test the resistance and the break-make data of fuse-element product in the pressure equipment end cover to can reduce a station link, and guarantee at least that an end cap is not destroyed when handling the defective work, practice thrift manufacturing cost.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a high pressure current-limiting fuse capping device, includes capping mechanism, insulator foot, supports base and resistance detection device, and wherein insulator foot locates on supporting the base, treats that the gland product is located insulator foot is last, and capping mechanism is equipped with the compression leg of liftable, just the compression leg lower extreme is equipped with the pressure head, and treat that the gland product is located the pressure head below the compression leg lower extreme is equipped with the connection contact be equipped with the wire in the insulator foot, the connection contact passes through circuit and resistance detection device's sense terminal N and ground, the wire is connected with resistance detection device's sense terminal L.
The insulation base is characterized in that a fixing hole is formed in the middle of the insulation base, a pressure spring is arranged in the fixing hole, the wire is connected with the pressure spring, an interface is arranged on the side edge of the insulation base, and the wire is led out from the interface.
The connecting contact at the lower end of the compression leg is a screw.
Gland mechanism includes operating handle, drive pivot, compression leg and shielded box, wherein the compression leg passes liftable the shielded box, drive pivot rotate locate the shielded box inboard, just the drive pivot passes through the operating handle drive is rotatory, the drive pivot is equipped with the turning arm, just the turning arm tip with the compression leg is articulated, and the turning arm is located in the shielded box, the shielded box upside has set firmly an extension spring branch perpendicularly, the compression leg upper end be equipped with the extension spring with extension spring branch upper end is connected.
And one side of the supporting base is provided with an installation upright post, and the isolation box is installed on the installation upright post through a bracket.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses can test the resistance and the break-make data of fuse-element product in the pressure equipment end cover to can reduce a station link, and guarantee at least that an end cap is not destroyed when handling the defective work, practice thrift manufacturing cost.
2. The utility model is simple in operation convenient, only need link to each other two wire termination points and resistance detection device and can realize detection achievement.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
figure 2 is a schematic structural view of the insulating base of figure 1,
FIG. 3 is a schematic view of a fusible core and a fusible tube of a product to be capped,
figure 4 is a schematic view of the product assembly process,
fig. 5 is a schematic diagram of the detection principle of the present invention.
The capping mechanism comprises a capping mechanism 1, a pressure head 101, an operating handle 102, a pressure column 103, a tension spring 104, a tension spring support rod 105, a driving rotating shaft 106, an isolation box 107, a support 108, a connecting contact 109, a product to be capped 2, a fusible core 201, a fusible tube 202, an end cover 203, an insulation base 3, a fixing hole 301, a pressure spring 302, a lead 303, an interface 304, a supporting base 4 and an installation column 401.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model comprises a capping mechanism 1, an insulating base 3, a supporting base 4 and a resistance detecting device, wherein the insulating base 3 is arranged on the supporting base 4, a capping product 2 is arranged on the insulating base 3, the capping mechanism 1 is provided with a liftable press column 103, the lower end of the press column 103 is provided with a press head 101, the upper end of the capping product 2 is arranged below the press head 101, the lower end of the press column 103 is provided with a connecting contact 109, a conducting wire 303 is arranged in the insulating base 3, the connecting contact 109 at the lower end of the press column is connected with a detecting end N of the resistance detecting device in parallel through a circuit, the conducting wire 303 is connected with a detecting end L of the resistance detecting device, when the utility model is used, the press mounting of the end cover 203 of one end of the product is firstly completed, then the product is replaced to carry out the press mounting of the end cover 203 of the other end, the resistance detection device is opened to be in a state to be detected, and the display condition of the display of the resistance detection device is observed when the end cover 203 at the other end is just contacted with the connecting part on the fusible core 201, so that two conditions exist: one is that the resistance value displayed by the resistance detection device is within the technical requirement range, then the pressing can be continuously operated to complete the pressing in place, and qualified products can be considered to enter the next procedure; and the other is that the resistance value displayed by the resistance detection device is not in the technical requirement range or has no resistance value, and the semi-finished fuse part is determined to be a defective product and needs to be reprocessed. In this embodiment, the resistance detection device is an intelligent resistance detector, which is a commercially available product and is a known technology in the art.
As shown in fig. 2, a fixing hole 301 is formed in the middle of the insulating base 3 and used for positioning a product 2 to be pressed, a pressure spring 302 is arranged in the fixing hole 301, and a lead 303 is connected with the pressure spring 302, as shown in fig. 1, an interface 304 is formed in the side edge of the insulating base 3, and the lead 303 is led out from the interface 304. In this embodiment, the insulating base 3 is made of an insulating plate, the pressure spring 302 is connected to the wire 303 by welding, and the vertical distance between the lowest point of the lower end of the pressure spring 302 and the bottom surface of the insulating base 3 should ensure the insulation resistance to the ground.
As shown in fig. 1, in the present embodiment, the connection contact 109 at the lower end of the compression leg 103 is a screw, and the end of the connection lead is fixed by the screw.
As shown in fig. 1, the capping mechanism 1 includes an operating handle 102, a driving rotating shaft 106, a pressing column 103 and an isolation box 107, wherein the pressing column 103 passes through the isolation box 107 in a liftable manner, the driving rotating shaft 106 is supported by a bearing and rotates inside the isolation box 107, the driving rotating shaft 106 is driven by the operating handle 102 to rotate, a connecting lever is welded in the middle of the driving rotating shaft 106, the end of the connecting lever is hinged to the pressing column 103 through a pin shaft, the connecting lever is arranged in the isolation box 107, a tension spring support rod 105 is vertically and fixedly arranged on the upper side of the isolation box 107, a tension spring 104 is arranged at the upper end of the pressing column 103 and connected with the upper end of the tension spring support rod 105, an operator rotates the operating handle 102, and then drives the pressing column 103 to move downwards through the driving rotating shaft 106 and the connecting lever thereon to realize press mounting, and pulls the tension spring 104 when the pressing column 103 moves, the compression column 103 automatically restores to the original position under the action of the tension spring 104.
As shown in fig. 1, a mounting column 401 is disposed on one side of the supporting base 4, and the isolation box 107 is mounted on the mounting column 401 through a bracket 108.
The utility model discloses a theory of operation does:
as shown in fig. 3 to 4, the product 2 to be pressed comprises a fusible core 201, a fusible tube 202 and end covers 203, the fusible core 201 is arranged in the fusible tube 202, the end covers 203 are arranged at two ends of the fusible tube 202 for sealing, in the prior art, after the whole fuse part product is manufactured, a test is required, the end covers 203 at two ends are destructively removed, so that the end covers 203 at two ends are scrapped, and then other parts are re-detected according to the situation.
The utility model discloses accomplish the pressure equipment of product one end cover 203 earlier during the use, then take off the product and pack into the quartz sand vibration in fusion tube 202, after shaking again reverse the pressure equipment of placing and carrying out other end cover 203 at insulator foot 3 to when carrying out other end cover 203 pressure equipment, resistance detection device opens and is in and waits to detect the state, observes resistance detection device display demonstration condition when other end cover 203 and the connecting portion on the fusible core 201 just contact, has two kinds of circumstances: one is that the resistance value displayed by the resistance detection device is within the technical requirement range, then the pressing can be continuously operated to complete the pressing in place, and qualified products can be considered to enter the next procedure; and the other is that the resistance value displayed by the resistance detection device is not in the technical requirement range or has no resistance value, and the semi-finished fuse part is determined to be a defective product and needs to be reprocessed. In this embodiment, the resistance detection device is an intelligent resistance detector, which is a commercially available product and is a known technology in the art.
The utility model discloses a concrete detection principle is shown as figure 5, and JCY in figure 5 indicates intelligent resistance detector, and N indicates intelligent resistance detector's sense terminal N, and L indicates intelligent resistance detector's sense terminal L, and R1 is the resistance value of AB section, and R2 is the resistance value of CD section, and R3 is the resistance value of fuse product, and R is total resistance in the return circuit, exactly the resistance value that shows on the intelligent resistance detector display.
When the second end cover 203 is pressed, an operator presses down through the operating handle 102 until the end cover 203 is just contacted with the connecting part on the fusible core 201, and a detection resistance loop of the intelligent resistance detector is formed, namely the loop shown in fig. 5 is formed. According to the regular characteristics of the series circuit, the total resistance in the circuit is equal to the sum of the resistances of the parts, namely R-R1 + R2+ R3, and then R3-R1-R2.
From the above formula, it can be seen that the resistance value displayed by the intelligent resistance detector display is not the resistance value of the fuse product, but includes the resistance values of R1 and R2.
In the above formula, the resistance value of the R1 is equal to the resistance value of the AB segment, that is, the sum of the resistance values of the indenter 101, the connecting contact 109 and the connecting lead in fig. 1 is regarded as a constant; the resistance value of the R2 is equal to the resistance value of the CD section, namely the sum of the resistances values of the compression spring 302 and the lead 303 in FIG. 2 is also regarded as a constant, and then R1+ R2 is also a constant. It can be deduced that the resistance value R indicated by the display of the intelligent resistance tester is equal to the sum of the resistance value R3 of the fuse (fig. 5) and a constant (R1+ R2). Therefore, when the intelligent resistance detector works, the display resistance range (qualified resistance range) of the display of the intelligent resistance detector is equal to the qualified resistance range of the fuse element specified by the technology plus the constant. For example, if the acceptable resistance range of the fuse link is defined as E to F, the acceptable resistance range displayed by the display of the intelligent resistance tester during operation should be (E + R1+ R2) to (F + R1+ R2), and if the acceptable resistance range displayed by the display of the intelligent resistance tester is (E + R1+ R2) to (F + R1+ R2), the fuse link is considered as an acceptable product, otherwise, the fuse link is considered as an unacceptable product.
Therefore to sum up, the utility model discloses newly increased the test resistance function simultaneously in the suppression of end cover 203, can test the resistance and the break-make data of fuse-element product in the time of the second end cover 203 of pressure equipment, so not only can reduce a station link, save man-hour, still can guarantee an end cover 203 at least when handling the defective work and be the certified products, practiced thrift manufacturing cost effectively, improved production efficiency.
Claims (5)
1. The utility model provides a high pressure current limiting fuse capping device which characterized in that: including gland mechanism (1), insulator foot (3), support base (4) and resistance detection device, wherein insulator foot (3) are located and are supported on base (4), treat gland product (2) to be located on insulator foot (3), gland mechanism (1) is equipped with compression leg (103) of liftable, just compression leg (103) lower extreme is equipped with pressure head (101), and treat gland product (2) to be located pressure head (101) below compression leg (103) lower extreme is equipped with connecting contact (109) be equipped with wire (303) in insulator foot (3), connecting contact (109) are through circuit and resistance detection device's sense terminal N and ground connection, wire (303) are connected with resistance detection device's sense terminal L.
2. The high voltage current limiting fuse capping device of claim 1, wherein: insulating base (3) middle part is equipped with fixed orifices (301), just be equipped with pressure spring (302) in fixed orifices (301), wire (303) with pressure spring (302) are connected, insulating base (3) side is equipped with interface (304), wire (303) by interface (304) are drawn forth.
3. The high voltage current limiting fuse capping device of claim 1, wherein: the connecting contact (109) at the lower end of the compression leg (103) is a screw.
4. The high voltage current limiting fuse capping device of claim 1, wherein: gland mechanism (1) includes operating handle (102), drive pivot (106), compression leg (103) and shielded box (107), and wherein compression leg (103) liftable ground passes shielded box (107), drive pivot (106) are rotated and are located shielded box (107) inboard, just drive pivot (106) are passed through operating handle (102) drive is rotatory, drive pivot (106) are equipped with the turning arm, just turning arm tip with compression leg (103) are articulated, and in shielded box (107) was located to the turning arm, shielded box (107) upside has set firmly one extension spring branch (105) perpendicularly, compression leg (103) upper end be equipped with extension spring (104) with extension spring branch (105) upper end is connected.
5. The high voltage current limiting fuse capping device of claim 4, wherein: and one side of the supporting base (4) is provided with a mounting upright post (401), and the isolation box (107) is mounted on the mounting upright post (401) through a support (108).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020807671.XU CN211929403U (en) | 2020-05-15 | 2020-05-15 | High-voltage current-limiting fuse gland device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020807671.XU CN211929403U (en) | 2020-05-15 | 2020-05-15 | High-voltage current-limiting fuse gland device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211929403U true CN211929403U (en) | 2020-11-13 |
Family
ID=73320190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020807671.XU Active CN211929403U (en) | 2020-05-15 | 2020-05-15 | High-voltage current-limiting fuse gland device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211929403U (en) |
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2020
- 2020-05-15 CN CN202020807671.XU patent/CN211929403U/en active Active
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