CN212780995U - Resistance testing device for silicon carbide electrothermal element - Google Patents
Resistance testing device for silicon carbide electrothermal element Download PDFInfo
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- CN212780995U CN212780995U CN202021486531.3U CN202021486531U CN212780995U CN 212780995 U CN212780995 U CN 212780995U CN 202021486531 U CN202021486531 U CN 202021486531U CN 212780995 U CN212780995 U CN 212780995U
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Abstract
The utility model discloses a resistance test device for carborundum electric heating element relates to electric heating element and makes technical field, the utility model discloses a storage case, storage case openly are provided with two electrically conductive link plates, and electrically conductive link plate is used for placing carborundum electric heating element, and carborundum electric heating element below is provided with pushes away material telescopic machanism, and it is located between two electrically conductive link plates to push away material telescopic machanism, and it is used for impelling carborundum electric heating element storage incasement to push away material telescopic machanism, the utility model has the advantages of save fixed operation, automatic material pushing, simplified the operation, reduced measurement personnel work load.
Description
Technical Field
The utility model relates to an electric heating element makes technical field, concretely relates to a resistance test device for carborundum electric heating element.
Background
The resistance value of the silicon carbide electric heating element changes along with the rise of the temperature, the negative value is from room temperature to 800 ℃, and the positive value characteristic curve is above 800 ℃. It has excellent chemical stability and no acid effect, but has corrosion effect on alkali and alkali earth metal oxide at certain temperature, and may be oxidized and corroded by water vapor, hydrogen, halogen, sulfur, etc. at high temperature. Compared with metal electric heating elements, the element has the characteristics of high service temperature (up to 1500 ℃), corrosion resistance, long service life, small deformation, convenient installation and maintenance and the like. The silicon carbide rod product has thick end and equal diameter silicon carbide rod, and the types of the silicon carbide rod product include straight type rod, U type rod, three-phase rod, gun type rod, five-section type rod, groove type rod, single-thread rod, double-thread rod and other specifications and models.
After a finished product is manufactured, the resistance performance of a silicon carbide electric heating element needs to be tested, the silicon carbide electric heating element is generally in a longer cylinder shape, in the prior art, a resistance testing device for the silicon carbide electric heating element generally clamps two ends of the silicon carbide electric heating element through two clamps manually, a conductive pressing block in the clamp, which is in contact with the silicon carbide electric heating element, is electrically connected with a resistance detector, so that the resistance performance of the silicon carbide electric heating element is tested, the clamp needs to be loosened manually after the test is finished, the operation is troublesome, the convenience and the rapidness are not enough, and the workload of a measurer is larger.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a resistance test device for carborundum electric heating element, it needs manual fixed electric heating element to solve current carborundum electric heating element resistance test device, also needs manually to take out electric heating element after the test finishes, the more troublesome technical problem of operation.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the resistance testing device for the silicon carbide electrothermal element comprises a storage box, wherein two conductive hanging plates are arranged on the front surface of the storage box and used for placing the silicon carbide electrothermal element, a material pushing telescopic mechanism is arranged below the silicon carbide electrothermal element and located between the two conductive hanging plates, and the material pushing telescopic mechanism is used for pushing the silicon carbide electrothermal element into the storage box.
A further technical scheme is that the conductive hanging plate is electrically connected with a resistance detector through a lead, and the resistance detector is electrically connected with a display screen.
The technical scheme is that a horizontal sliding rail is arranged on the front face of the storage box, two insulating guide sliding plates are arranged on the horizontal sliding rail in a sliding mode, and the conductive hanging plates are arranged on the corresponding insulating guide sliding plates.
The further technical scheme is that the conductive hanging plate comprises a fixing plate connected to the insulating guide sliding plate, the bottom of the fixing plate is connected with an arc-shaped plate, and the arc-shaped plate is used for placing the silicon carbide electric heating element.
According to a further technical scheme, the material pushing and stretching mechanism comprises a stretching cylinder, the top of the stretching cylinder is connected with a push plate, the push plate is hinged with at least two arc-shaped cushion blocks through torsion spring hinges, the arc-shaped cushion blocks are located under the silicon carbide electric heating element, the top end of the storage box is provided with a stop block corresponding to the arc-shaped cushion blocks, and the stop block can be in contact with one edge, close to the storage box, of the arc-shaped cushion blocks.
The further technical scheme is that the upper end of the storage box is open, and the inner wall of the storage box close to the conductive hanging plate is a transition inclined plane.
Compared with the prior art, the beneficial effects of the utility model are one of following at least:
1. the utility model discloses can directly put silicon carbide electric heating element on two electrically conductive link plates, need not fixed operation, and resistance test finishes the back, accessible pushing material telescopic machanism advances the storage case with silicon carbide electric heating element in, need not the manual silicon carbide electric heating element and takes off, has simplified the operation flow to measuring personnel's work load has been reduced.
2. The two insulating guide sliding plates can slide on the horizontal sliding rail at will, so that the distance between the two conductive hanging plates can be adjusted, silicon carbide electrothermal elements with different lengths can be placed, and the application range is wide.
3. After the resistance test, drive push pedal and the arc cushion through the telescoping cylinder among the material pushing telescoping mechanism and shift up wholly, can promote its when arc cushion contact carborundum electric heating element to shift up, carborundum electric heating element leaves the electrically conductive link plate and is located the arc cushion this moment, when arc cushion edge was supported and blocked by the dog, drive the arc cushion and rotate toward the storage case direction, thereby make carborundum electric heating element break away from the arc cushion automatically and roll along transition inclined plane and fall to the storage case in, transition inclined plane can prevent that carborundum electric heating element from the eminence directly dropping to the storage case in and damaging.
Drawings
Fig. 1 is a schematic structural diagram of a resistance testing apparatus for a silicon carbide electrothermal element according to the present invention.
Fig. 2 is a schematic sectional view at a-a in fig. 1.
Fig. 3 is a schematic structural view of the silicon carbide electric heating element pushed into the storage box.
Fig. 4 is a schematic view of the three-dimensional structure of the middle conductive hanging plate of the present invention.
Icon: 1-a material storage box; 1.1-transition slope; 2-conductive hanging plate; 2.1-fixing plate; 2.2-arc plate; 3-a silicon carbide electrical heating element; 4-a material pushing and retracting mechanism; 4.1-telescoping cylinder; 4.2-push plate; 4.3-arc cushion block; 5-resistance detector; 6-a display screen; 7-horizontal sliding rails; 8-insulating guide sliding plate; 9-a stop block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
Referring to fig. 1 to 4, the present embodiment provides a resistance testing apparatus for a silicon carbide electrical heating element, which includes a storage box 1, two conductive hanging plates 2 are disposed on a front surface of the storage box 1, the conductive hanging plates 2 are used for placing the silicon carbide electrical heating element 3, a material pushing telescopic mechanism 4 is disposed below the silicon carbide electrical heating element 3, the material pushing telescopic mechanism 4 is located between the two conductive hanging plates 2, and the material pushing telescopic mechanism 4 is used for pushing the silicon carbide electrical heating element 3 into the storage box 1. The conductive hanging plate 2 is electrically connected with a resistance detector 5 through a conducting wire, and the resistance detector 5 is electrically connected with a display screen 6.
During operation, the silicon carbide electric heating element 3 to be measured is directly placed on the two conductive hanging plates 2, the operation of fixing the silicon carbide electric heating element 3 is omitted, the flow is simplified, then a measurer starts to observe the display screen 6 and read, after test data is recorded, the silicon carbide electric heating element 3 is pushed into the storage box 1 through the material pushing and stretching mechanism 4, the purpose of automatically taking materials is achieved, the silicon carbide electric heating element 3 does not need to be taken down manually, the operation flow is further simplified, the workload of the measurer is greatly reduced, and the efficiency is improved.
As a preferred embodiment, the front surface of the storage box 1 is provided with a horizontal slide rail 7, two insulating guide slide plates 8 are slidably arranged on the horizontal slide rail 7, and the conductive hanging plate 2 is arranged on the corresponding insulating guide slide plate 8. The two insulating guide sliding plates 8 can freely slide on the horizontal sliding rail 7, so that the distance between the two conductive hanging plates 2 is adjusted, the silicon carbide electric heating elements 3 with different lengths can be placed, and the application range is wide.
As a preferred embodiment, electrically conductive link plate 2 is including connecting fixed plate 2.1 on insulating slide 8 that leads, and fixed plate 2.1 bottom is connected with arc 2.2, and arc 2.2 is used for placing carborundum electric heating element 3, and here fixed plate 2.1 accessible screw connection is on insulating slide 8 that leads, convenient to detach and equipment, and the radian of the general design of arc 2.2 is great, can place the carborundum electric heating element 3 of different diameters.
As a preferred embodiment, the material pushing and stretching mechanism 4 comprises a stretching cylinder 4.1, the top of the stretching cylinder 4.1 is connected with a push plate 4.2, the push plate 4.2 is hinged with at least two arc-shaped cushion blocks 4.3 through torsion spring hinges, the arc-shaped cushion blocks 4.3 are positioned under the silicon carbide electrothermal element 3, the top end of the storage box 1 is provided with a stop block 9 corresponding to the arc-shaped cushion blocks 4.3, and the stop block 9 can be contacted with one edge of the arc-shaped cushion block 4.3 close to the storage box 1.
After the resistance test is finished, the telescopic cylinder 4.1 in the material pushing and telescoping mechanism 4 drives the push plate 4.2 and the arc cushion block 4.3 to integrally move upwards, the arc cushion block 4.3 can be pushed to move upwards when contacting with the silicon carbide electric heating element 3, the silicon carbide electric heating element 3 is separated from the conductive hanging plate 2 and is positioned on the arc cushion block 4.3, when the edge of the arc cushion block 4.3 is blocked by the stop block 9, the arc cushion block 4.3 is driven to rotate towards the direction of the storage box 1, so that the silicon carbide electric heating element 3 is automatically separated from the arc cushion block 4.3 and rolls into the storage box 1, and the automatic material taking effect is realized.
It should be noted that, after the silicon carbide electric heating element 3 is pushed into the storage box 1, the telescopic cylinder 4.1 drives the push plate 4.2 and the arc-shaped cushion block 4.3 to move down and reset integrally, and at this time, the arc-shaped cushion block 4.3 automatically resets under the action of the torsion spring hinge, where the torsion spring hinge is the prior art and is common in life, for example, a hinge for automatically resetting and closing a door is used, and therefore, the specific structure thereof is not described herein again.
As a preferred embodiment, the upper end of the storage box 1 is open, the inner wall of the storage box 1 close to the conductive hanging plate 2 is a transition inclined surface 1.1, and when the silicon carbide electric heating element 3 is pushed into the storage box 1, the silicon carbide electric heating element can automatically roll down to the bottom in the storage box 1 along the transition inclined surface 1.1, so that the silicon carbide electric heating element 3 is prevented from directly falling into the storage box 1 from a high position and being damaged.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a resistance test device for carborundum electric heating element, its characterized in that, includes storage case (1), storage case (1) openly is provided with two electrically conductive link plates (2), electrically conductive link plate (2) are used for placing carborundum electric heating element (3), carborundum electric heating element (3) below is provided with material pushing and retracting mechanism (4), material pushing and retracting mechanism (4) are located between two electrically conductive link plates (2), material pushing and retracting mechanism (4) are used for impelling carborundum electric heating element (3) in storage case (1).
2. The resistance testing device for the silicon carbide electrothermal element according to claim 1, wherein the conductive hanging plate (2) is electrically connected with a resistance detector (5) through a conducting wire, and the resistance detector (5) is electrically connected with a display screen (6).
3. The resistance testing device for the silicon carbide electrothermal element according to claim 1, wherein a horizontal slide rail (7) is arranged on the front surface of the storage box (1), two insulation guide sliding plates (8) are slidably arranged on the horizontal slide rail (7), and the conductive hanging plate (2) is arranged on the corresponding insulation guide sliding plate (8).
4. A resistance testing device for silicon carbide electrothermal elements according to claim 3, wherein the conductive hanging plate (2) comprises a fixing plate (2.1) connected to the insulating guide sliding plate (8), an arc-shaped plate (2.2) is connected to the bottom of the fixing plate (2.1), and the arc-shaped plate (2.2) is used for placing the silicon carbide electrothermal elements (3).
5. The resistance testing device for the silicon carbide electrothermal element according to claim 1, wherein the material pushing and retracting mechanism (4) comprises a retracting cylinder (4.1), a push plate (4.2) is connected to the top of the retracting cylinder (4.1), at least two arc-shaped cushion blocks (4.3) are hinged to the push plate (4.2) through torsion spring hinges, the arc-shaped cushion blocks (4.3) are located under the silicon carbide electrothermal element (3), a stop block (9) corresponding to the arc-shaped cushion blocks (4.3) is arranged at the top end of the storage box (1), and the stop block (9) can be in contact with one edge of the arc-shaped cushion block (4.3) close to the storage box (1).
6. The resistance testing device for the silicon carbide electrothermal element according to any one of claims 1 to 5, wherein the upper end of the storage box (1) is open, and the inner wall of the storage box (1) close to the conductive hanging plate (2) is a transition slope (1.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021486531.3U CN212780995U (en) | 2020-07-24 | 2020-07-24 | Resistance testing device for silicon carbide electrothermal element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021486531.3U CN212780995U (en) | 2020-07-24 | 2020-07-24 | Resistance testing device for silicon carbide electrothermal element |
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| CN212780995U true CN212780995U (en) | 2021-03-23 |
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| CN202021486531.3U Active CN212780995U (en) | 2020-07-24 | 2020-07-24 | Resistance testing device for silicon carbide electrothermal element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253087A (en) * | 2021-06-18 | 2021-08-13 | 陕西开尔文测控技术有限公司 | Silicon carbide dynamic detection equipment |
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2020
- 2020-07-24 CN CN202021486531.3U patent/CN212780995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253087A (en) * | 2021-06-18 | 2021-08-13 | 陕西开尔文测控技术有限公司 | Silicon carbide dynamic detection equipment |
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