CN218003067U - Pyrocondensation pipe torsion test device - Google Patents
Pyrocondensation pipe torsion test device Download PDFInfo
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- CN218003067U CN218003067U CN202221365068.6U CN202221365068U CN218003067U CN 218003067 U CN218003067 U CN 218003067U CN 202221365068 U CN202221365068 U CN 202221365068U CN 218003067 U CN218003067 U CN 218003067U
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- core rod
- clamping mechanism
- shrinkable tube
- heat shrinkable
- torsion test
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Abstract
The utility model discloses a pyrocondensation pipe torsion test device, which comprises a bearing component for sleeving a pyrocondensation pipe, a left clamping mechanism for clamping one end of the bearing component, a right clamping mechanism for clamping the other end of the bearing component and a torque sensor connected with the left clamping mechanism; the right clamping mechanism is connected with a driving mechanism, the driving mechanism is used for driving the clamping mechanism to rotate, the torque sensor is connected with a display through a data processor, and the data processor is used for converting signals of the torque sensor into image signals and then transmitting the image signals to the display for displaying; the bearing assembly comprises a first core rod and a second core rod, the first core rod and the second core rod are rotatably arranged, and the outer diameters of the first core rod and the second core rod are the same. The utility model discloses mainly used realizes the compliance test of pyrocondensation pipe under the condition of definite value heat shrinkage ratio.
Description
Technical Field
The utility model relates to a pyrocondensation pipe test equipment technical field, concretely relates to pyrocondensation pipe torsion test device.
Background
The heat-shrinkable tube has the shape memory function of shrinking when heated to a certain temperature, and can play roles of sealing, insulating, corrosion preventing, moisture preventing, marking and the like in splicing of various tubes and cables. The softness of the heat shrink tube directly affects the installation efficiency, and the heat shrink tubes with different softness may affect the mechanical properties of the original pipeline.
At present, no device and method for judging the flexibility of the heat shrinkable tube exist; therefore, a heat shrinkable tube torsion testing device is needed to test the flexibility of the heat shrinkable tube after heat shrinkage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pyrocondensation pipe torsion test device, its mainly used realizes the compliance test of pyrocondensation pipe under the condition of definite value pyrocondensation ratio.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a torsion test device for a heat shrinkable tube comprises a bearing component for sleeving the heat shrinkable tube, a left clamping mechanism for clamping one end of the bearing component, a right clamping mechanism for clamping the other end of the bearing component and a torque sensor connected with the left clamping mechanism;
the right clamping mechanism is connected with a driving mechanism, the driving mechanism is used for driving the clamping mechanism to rotate, the torque sensor is connected with a display through a data processor, and the data processor is used for converting signals of the torque sensor into image signals and then transmitting the image signals to the display for displaying;
the bearing assembly comprises a first core rod and a second core rod, the first core rod and the second core rod are rotatably arranged, and the outer diameters of the first core rod and the second core rod are the same.
Wherein, the first core rod and the second core rod are both made of metal materials.
Further optimization, a cylindrical protrusion is arranged on the first core rod, a groove corresponding to the cylindrical protrusion is arranged on the second core rod, and the first core rod and the second core rod are positioned and rotatably connected through the cylindrical protrusion and the groove.
Wherein, a bearing is arranged between the cylindrical bulge and the groove, and the distance between the end surfaces of the first core rod and the second core rod which are close to each other is 0.1-1mm.
Further limit, a plurality of granular protruding parts are arranged on the first core rod and the second core rod close to the clamping parts of the left clamping mechanism and the right clamping mechanism.
Wherein, a plurality of arc-shaped grooves are arranged on the first core rod and the second core rod close to the clamping parts of the left clamping mechanism and the right clamping mechanism.
Further optimize, first, two plug side is provided with at least one and cuts the groove, cuts the groove and is located and is close to first, two plug terminal surface positions.
Wherein, the left and right clamping mechanisms are three-jaw or six-jaw chucks.
Wherein, the first core rod and the second core rod are aluminum core rods.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model mainly comprises a bearing component, a left clamping mechanism, a right clamping mechanism, a torque sensor and other components; when the softness of the heat shrinkable tube is detected, the heat shrinkable tube is sleeved on a first core rod and a second core rod in a bearing assembly, the heat shrinkable tube is sleeved on the first core rod and the second core rod through an air heater because the outer diameters of the first core rod and the second core rod are a certain value, so that the heat shrinkable tube is tightly attached to the first core rod and the second core rod, the first core rod and the second core rod are respectively clamped on a left clamping mechanism and a right clamping mechanism due to the rotary connection between the first core rod and the second core rod, the clamping mechanisms are driven to rotate through a set driving mechanism, the left clamping mechanism is connected with a torque sensor, the torque sensor is twisted, the right clamping mechanism is twisted at the rotating speed of 45 degrees/min, the rotation angle and the torque can be continuously monitored through the set torque sensor in the test process, the test curve is drawn through the torque corresponding to the rotation angle, the test curve is displayed on a display screen, and the softness of the heat shrinkable tube is judged through the slope of the test curve; the first core rod and the second core rod can control the heat shrinkage state of the heat shrinkage pipe, constant value control test of the heat shrinkage ratio is realized, and then the softness test of the heat shrinkage pipe is realized under the condition that the heat shrinkage cooling of the heat shrinkage pipe is kept at a certain diameter; meanwhile, the softness test of the heat shrinkable tube under the conditions of different thermal shrinkage ratios can be realized by replacing the first core rod and the second core rod with different diameters.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the state of the left and right clamping mechanisms clamping the bearing component.
Fig. 2 is a schematic diagram of the state of the heat shrinkable tube sleeve on the bearing component of the present invention.
Fig. 3 is a connection diagram of the first and second mandrels according to the present invention.
Fig. 4 is a schematic view of the position relationship of the cutting grooves formed on the first core rod of the present invention.
Fig. 5 is a schematic view of the structure of the arc-shaped grooves on the first and second mandrels of the present invention.
Reference numerals:
101-carrier assembly, 102-heat shrink tube, 103-left gripper mechanism, 104-right gripper mechanism, 105-torque sensor, 106-first mandrel, 107-second mandrel, 108-cylindrical protrusion, 109-groove, 110-bearing, 111-granular protrusion, 112-arc groove, 113-cutting groove.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like are used in the orientation and positional relationship shown in the drawings for convenience in describing the embodiments of the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features through another feature not in direct contact. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Moreover, embodiments of the present invention may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example one
Referring to fig. 1 to 5, the embodiment discloses a heat shrinkable tube torsion test apparatus, which includes a bearing assembly 101 for sleeving a heat shrinkable tube 102, a left clamping mechanism 103 for clamping one end of the bearing assembly 101, a right clamping mechanism 104 for clamping the other end of the bearing assembly 101, and a torque sensor 105 connected to the left clamping mechanism 103;
the right clamping mechanism 104 is connected with a driving mechanism, the driving mechanism is used for driving the clamping mechanism to rotate, the torque sensor 105 is connected with a display through a data processor, and the data processor is used for converting signals of the torque sensor 105 into image signals and then transmitting the image signals to the display for displaying;
the bearing assembly 101 includes a first mandrel 106 and a second mandrel 107, the first mandrel and the second mandrel are rotatably disposed, and the outer diameters of the first mandrel and the second mandrel are the same.
After the second core rod 107 is rotated by an angle, the data processor records the corresponding torque, and draws the torque into a curve to be displayed on the display screen, and the specific principle is not repeated here.
The utility model mainly comprises a bearing component 101, a left clamping mechanism 103, a right clamping mechanism 104, a torque sensor 105 and other parts; when the softness of the heat shrinkable tube 102 is detected, the heat shrinkable tube 102 is sleeved on a first core rod and a second core rod in the bearing assembly 101, because the outer diameters of the first core rod and the second core rod are a certain value, the heat shrinkable tube 102 is sleeved on the first core rod and the second core rod through a hot air blower, so that the heat shrinkable tube 102 is tightly attached to the first core rod and the second core rod, because the first core rod and the second core rod are rotatably connected, the first core rod and the second core rod are respectively clamped on a left clamping mechanism 103 and a right clamping mechanism 104, the clamping mechanisms are driven to rotate through a set driving mechanism, because the left clamping mechanism 103 is connected with a torque sensor 105, the torque sensor 105 is twisted, the right clamping mechanism 104 is twisted at a rotating speed of 45 degrees/min, during the test, the rotation angle and the torque can be continuously monitored through the set torque sensor 105, the test curve can be drawn through the corresponding torque, then the rotation angle is displayed on a display screen, and the softness of the heat shrinkable tube 102 can be judged through the slope of the test curve; the first and second core rods can control the heat-shrinkable state of the heat shrinkable tube 102, so that the constant value control test of the heat shrinkage ratio is realized, and the softness of the heat shrinkable tube 102 is further tested under the condition that the heat shrinkable tube 102 is cooled to be kept at a certain diameter; meanwhile, the softness test of the heat shrinkable tube 102 under the condition of different heat shrinkage ratios can be realized by replacing the first core rod and the second core rod with different diameters.
Wherein, the first core rod and the second core rod are both made of metal materials; in this embodiment, the first and second mandrels are aluminum mandrels.
Preferably, the first mandrel 106 is provided with a cylindrical protrusion 108, the second mandrel 107 is provided with a groove 109 corresponding to the cylindrical protrusion 108, and the first mandrel 106 and the second mandrel 107 are connected in a positioning and rotating manner through the cylindrical protrusion 108 and the groove 109.
The bearing 110 is arranged between the cylindrical protrusion 108 and the groove 109, the end face distance between the first core rod and the second core rod which are close to each other is 0.1-1mm, and in practical use, the smaller the gap is, the better the gap is, the situation that the heat shrinkable tube is contracted into the gap after being heated, and the diameter of the gap is smaller than the diameter of the first core rod and the diameter of the second core rod, so that detection errors are caused.
Therefore, the first core rod 106 and the second core rod 107 can form an integrated structure, and the heat shrinkable tube 102 can be sleeved conveniently.
Wherein, a plurality of granular protruding parts 111 are arranged on the first core rod and the second core rod near the clamping parts of the left clamping mechanism 104 and the right clamping mechanism 104; the granular protruding parts 111 can be coated after the heat shrinkable tube 102 is shrunk through the arranged granular protruding parts 111, so that the heat shrinkable tube 102 can be in closer contact with the first core rod and the second core rod, the heat shrinkable tube 102 is prevented from moving with the first core rod and the second core rod in the twisting process, and the test result is reduced.
In actual use, the granular projections 111 are located at the ends of the first and second mandrels.
Alternatively, a plurality of arc-shaped grooves 112 are formed on the first core rod and the second core rod close to the clamping parts of the left clamping mechanism 104 and the right clamping mechanism 104; therefore, after the heat sink pipe is subjected to heat shrinkage, the heat shrinkage pipe 102 is sunken into the arc-shaped groove 112, the stability of the heat shrinkage pipe 102 is improved, and the heat sink pipe is prevented from moving during twisting.
Wherein, the left and right clamping mechanisms 104 are three-jaw or six-jaw chucks.
The utility model discloses can verify the compliance of pyrocondensation pipe 102 under different application conditions, simultaneously, through changing the diameter of first, two plug, when pyrocondensation pipe 102 pyrocondensation is completely on first, two plug, can confirm the shrink ratio of pyrocondensation pipe 102 indirectly; then, by collecting the torque changes of the heat shrinkable tube 102 at different angles, the softness of the heat shrinkable tube 102 at the heat shrinkage ratio can be quantitatively reflected.
In practical use, the driving mechanism may be a torsion tester.
Example two
The present embodiment is further optimized based on the first embodiment, in the present embodiment, at least one cutting groove 113 is provided on the side surfaces of the first and second mandrels, and the cutting groove 113 is located at a position close to the end surfaces of the first and second mandrels.
The torsion test will damage the heat shrinkable tube 102, and the heat shrinkable tube 102 needs to be taken down after the test through the arranged cutting groove 113, so that the heat shrinkable tube 102 can be taken down along the cutting groove 113 through a blade, the operation is more convenient, and the purpose of taking down the heat shrinkable tube 102 quickly can be realized.
In order to facilitate the further understanding of the present invention by those skilled in the art, the present invention will be further described below with reference to specific testing methods.
Testing a piece: a heat shrinkable tube 102 with the heat shrinkable length of 160mm, wherein the heat shrinkable tube 102 is sleeved on the first core rod and the second core rod and is heat-shrunk by a hot air gun at the temperature of 288-343 ℃; and cooling to room temperature after full thermal shrinkage is finished.
The specific tests are as follows:
step 1: clamping the bearing assembly 101 on the left clamping mechanism and the right clamping mechanism, and then connecting the right clamping mechanism 104 with the torsion testing machine, wherein the axis of the right clamping mechanism is vertical to the plane of the torsion direction;
step 2: starting a torsion testing machine, and twisting at a certain angle D at the rotating speed of 45 DEG/min, wherein the change of the testing angle and the torque is continuously monitored and recorded in the whole testing process; the torque M of the test piece when the specified angle is reached is measured,
and 3, step 3: and drawing a curve of the torque and the angle, and judging the softness of the test piece through the slope.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
The above description is intended to be illustrative of the present invention and not restrictive, and any modifications, equivalents, and improvements made within the spirit and scope of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a pyrocondensation pipe torsion test device which characterized in that: the device comprises a bearing component for sleeving a heat shrinkable tube, a left clamping mechanism for clamping one end of the bearing component, a right clamping mechanism for clamping the other end of the bearing component and a torque sensor connected with the left clamping mechanism;
the right clamping mechanism is connected with a driving mechanism, the driving mechanism is used for driving the clamping mechanism to rotate, the torque sensor is connected with a display through a data processor, and the data processor is used for converting signals of the torque sensor into image signals and then transmitting the image signals to the display for displaying;
the bearing assembly comprises a first core rod and a second core rod, the first core rod and the second core rod are rotatably arranged, and the outer diameters of the first core rod and the second core rod are the same.
2. The heat shrinkable tube torsion test apparatus as recited in claim 1, wherein: the first core rod and the second core rod are both made of metal materials.
3. The heat shrinkable tube torsion test apparatus according to claim 1, wherein: the first core rod is provided with a cylindrical protrusion, the second core rod is provided with a groove corresponding to the cylindrical protrusion, and the first core rod and the second core rod are positioned and rotatably connected through the cylindrical protrusion and the groove.
4. The heat shrinkable tube torsion test apparatus according to claim 3, wherein: a bearing is arranged between the cylindrical bulge and the groove, and the distance between the end surfaces of the first core rod and the second core rod which are close to each other is 0.1-1mm.
5. A heat shrinkable tube torsion testing apparatus according to any one of claims 1 to 4, wherein: a plurality of granular protruding parts are arranged on the first core rod and the second core rod close to the clamping parts of the left clamping mechanism and the right clamping mechanism.
6. A heat shrinkable tube torsion testing apparatus according to any one of claims 1 to 4, wherein: a plurality of arc-shaped grooves are arranged on the first core rod and the second core rod close to the clamping parts of the left clamping mechanism and the right clamping mechanism.
7. The heat shrinkable tube torsion test apparatus as set forth in claim 5, wherein: the side surfaces of the first mandrel and the second mandrel are provided with at least one cutting groove, and the cutting grooves are positioned at the positions close to the end surfaces of the first mandrel and the second mandrel.
8. The heat shrinkable tube torsion test apparatus according to claim 1, wherein: the left and right clamping mechanisms are three-jaw or six-jaw chucks.
9. The heat shrinkable tube torsion test apparatus as set forth in claim 2, wherein: the first and second core rods are aluminum core rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221365068.6U CN218003067U (en) | 2022-06-02 | 2022-06-02 | Pyrocondensation pipe torsion test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221365068.6U CN218003067U (en) | 2022-06-02 | 2022-06-02 | Pyrocondensation pipe torsion test device |
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| CN218003067U true CN218003067U (en) | 2022-12-09 |
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| CN202221365068.6U Active CN218003067U (en) | 2022-06-02 | 2022-06-02 | Pyrocondensation pipe torsion test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116773356A (en) * | 2023-05-22 | 2023-09-19 | 威海德旭船舶有限公司 | Nondestructive testing equipment for metal materials of round bars and round tubes |
-
2022
- 2022-06-02 CN CN202221365068.6U patent/CN218003067U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116773356A (en) * | 2023-05-22 | 2023-09-19 | 威海德旭船舶有限公司 | Nondestructive testing equipment for metal materials of round bars and round tubes |
| CN116773356B (en) * | 2023-05-22 | 2024-05-14 | 威海德旭船舶有限公司 | Nondestructive testing equipment for metal materials of round bars and round tubes |
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