CN210347346U - Hot extension detection device of major diameter cable - Google Patents
Hot extension detection device of major diameter cable Download PDFInfo
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- CN210347346U CN210347346U CN201920957512.5U CN201920957512U CN210347346U CN 210347346 U CN210347346 U CN 210347346U CN 201920957512 U CN201920957512 U CN 201920957512U CN 210347346 U CN210347346 U CN 210347346U
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Abstract
The utility model discloses a large-diameter cable thermal extension detection device, which comprises a detection support, a drying oven, a detection structure, a driving motor and a numerical control computer; the detection structure comprises two parallel side plates, a graduated scale connected to the lower ends of the two side plates, a guide rod arranged at the upper ends of the two side plates, a moving frame movably arranged on the guide rod, a moving clamp welded on the moving frame, a fixed clamp on the same horizontal plane with the moving clamp, a cable sample fixed with the moving clamp, and a moving frame sleeved on the guide rod; through constituteing curb plate, scale and guide arm and detecting the shelf of structure to the installation is used for extending the removal frame of cable sample, and the cooperation is used for the removal of fixed cable sample to press from both sides and the fixation clamp, and is used for holding the adjustable shelf of cable sample, is convenient for observe the specific data that extend gained, makes the cable sample can nimble adjustment and operate steadily when the level extends the detection simultaneously, and can improve the accuracy that detects.
Description
Technical Field
The utility model particularly relates to a hot extension detection device of major diameter cable.
Background
Thermal elongation is the elongation (under tension) of the plastic after heating, and the degree of crosslinking of polyethylene is mainly considered, and the higher the degree of crosslinking, the smaller the thermal elongation. At present, the hot extension tester in market, it includes the test stand, and threaded connection has the bolt on the test stand, still sets up the clip on the test stand, be provided with the tensile dish on the clip, be used for placing the weight in the tensile dish.
Although this kind of bolt of hot extension tester can fix the one end of testee, the bolt is followed the test stand and is rotated down, paste the testee on the test stand again, it is fixed with the testee again through the bolt, the bolt is repeatedly rotated up from the test stand, screw down, the experiment convenience of hot extension tester is low, in addition, this kind of hot extension tester is vertical extension, in operation process, the power of weighing down can't be controlled, therefore the cable of test often leads to the sample fracture because of the power of weighing down is too big, in addition, the unable nimble adjustment of power of weighing down, lead to the result of detecting can't confirm the accuracy, in addition also can't realize the purpose of operating steadily.
Disclosure of Invention
In view of this, the utility model aims at providing a can adjust in a flexible way and operate steady major diameter cable thermal extension detection device, be favorable to improving the accuracy that detects.
In order to solve the technical problem, the technical scheme of the utility model is that:
a large-diameter cable thermal extension detection device comprises a detection support, an oven, a detection structure, a driving motor and a numerical control computer, wherein the oven is arranged above the detection support and is fixed with the detection support; the detection structure comprises two side plates which are parallel to each other, a graduated scale connected to the lower ends of the two side plates, a guide rod arranged at the upper end of the two side plates and connected with the two side plates, a moving frame movably arranged on the guide rod, a moving clamp welded on the moving frame, a fixing clamp welded with one side plate, a cable sample with one end fixed with the moving clamp and the other end connected with the fixing clamp, and a moving frame with one end sleeved on the guide rod and the other end sleeved on the cable sample.
Preferably, one side surface of the side plate is fixedly abutted with the oven, and the lower end surface of the side plate is fixedly abutted with the detection support.
Preferably, the movable frame comprises a frame body and a sleeve ring part, wherein the sleeve ring part is positioned at the upper end of the frame body and used for being sleeved on the guide rod, and a movable frame wiring block is further arranged at the upper end of the sleeve ring part.
Preferably, the movable clamp comprises a movable clamp body arranged in an annular mode, clamp blocks arranged in the movable clamp body and distributed in an annular array mode, and a stud fixedly connected with the clamp blocks and provided with one end penetrating through the movable clamp body, sawteeth are further arranged on the clamp blocks, and the structure of the fixed clamp is consistent with that of the movable clamp.
Preferably, the movable frame comprises a cable sleeve ring part and a guide rod sleeve ring part which is integrally formed with the cable sleeve ring part and is located at the upper end of the cable sleeve ring part, a wire holder is further arranged at the upper end of the guide rod sleeve ring part, and the two movable frames can be sequentially connected through the wire holder.
Preferably, the detection support comprises a workbench, column feet arranged at four opposite corners of the workbench and used for supporting the workbench, and a wire frame arranged on one side of the oven and convenient for steel rope transmission, the wire frame is fixedly connected with the workbench, and a wire wheel is further arranged at the upper end of the wire frame.
Preferably, the numerical control computer adopts a numerical control system with the model of HNC-21T, and is respectively connected with the oven and the driving motor.
The utility model discloses technical effect mainly embodies in following aspect: through constituteing curb plate, scale and guide arm and detecting the shelf of structure to the installation is used for extending the removal frame of cable sample, and the cooperation is used for the removal of fixed cable sample to press from both sides and the fixation clamp, and is used for holding the adjustable shelf of cable sample, is convenient for observe the specific data that extend gained, makes the cable sample can nimble adjustment and operate steadily when the level extends the detection simultaneously, and can improve the accuracy that detects.
Drawings
FIG. 1 is a structural diagram of a large diameter cable thermal extension detection device of the present invention;
FIG. 2 is a block diagram of the mobile gantry of FIG. 1;
FIG. 3 is a block diagram of the mobile clamp of FIG. 1;
fig. 4 is a structural view of the movable frame of fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right side", "left end", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
Examples
A large-diameter cable thermal extension detection device is shown in figure 1 and comprises a detection support 1, an oven 2 which is arranged above the detection support 1 and fixed with the detection support 1, a detection structure 3 which is arranged in the oven 2 and used for extension test, a driving motor 4 which is arranged at the side of the detection support 1 and fixed with the detection support 1, and a numerical control computer 5 which is arranged above the detection support 1 and positioned at one side of the oven 2; detect support 1 includes workstation 11 to and set up the column base 12 of workstation 11 four diagonal departments, be used for supporting workstation 11, and set up 2 one side of oven, the wire frame 13 of the transmission steel rope of being convenient for, wire frame 13 and workstation 11 fixed connection, wire frame 13 upper end still is provided with wire wheel 131, the steel rope of being convenient for slip conveying. The detection structure 3 comprises two parallel side plates 31, a graduated scale 32 connected to the lower ends of the two side plates 31 and used for measuring the extension length of a cable sample 38, a guide rod 33 arranged at the upper end of the two side plates 31 and connected with the two side plates 31, a moving frame 34 movably arranged on the guide rod 33, a moving clamp 35 welded on the moving frame 34, a fixing clamp 36 welded with one side plate 31 and arranged on the same horizontal plane as the moving clamp 35, a cable sample 37 with one end fixed with the moving clamp 35 and the other end connected with the fixing clamp 36, and a moving frame 38 with one end sleeved on the guide rod 33 and the other end sleeved on the cable sample 37. One side face of the side plate 31 is fixedly abutted with the oven 2, and the lower end face of the side plate 31 is fixedly abutted with the detection support 1, so that the space inside the oven 2 can be fully utilized, and the side plate is used for the thermal extension test of the cable sample 37.
As shown in fig. 2, the movable frame 34 includes a frame body 341, and a sleeve ring portion 342 located at the upper end of the frame body 341 and used for being sleeved on the guide rod 33, the sleeve ring portion 342 is sleeved on the guide rod 33, and can be fixed on the guide rod 33 under the pulling of the steel cable, and simultaneously drives the cable sample 37 fixed by the movable clamp 35 to perform an extending movement, the upper end of the sleeve ring portion 342 is further provided with a movable frame connection block 343, which can be connected with the movable frame 38 through an elastic wire, and when the cable sample 37 extends to a certain length, the cable sample 37 is supported by the movable frame 38, so that the cable sample 37 is prevented from dropping due to an excessively large extending length, the tension of the driving motor 4 is increased, and the detected data is influenced.
As shown in fig. 3, the movable clamp 35 includes a movable clamp body 351 disposed in a ring shape, clamp blocks 352 disposed in the movable clamp body 351 and distributed in a ring-shaped array, and a stud 353 fixedly connected to the clamp blocks 352 and having one end penetrating the movable clamp body 351, wherein cable samples 37 having different sizes can be fixed by adjusting the clamp blocks 352 by rotating the stud 353, the clamp blocks 352 are further provided with saw teeth 3521, the cable samples 37 can be further gripped by the saw teeth 3521, the cable samples 37 can be prevented from being separated from the movable clamp 35, and the structure of the fixed clamp 36 is identical to that of the movable clamp 35, and the cable samples 37 can be similarly stably clamped.
As shown in fig. 4, the two movable frames 38 are arranged and are equidistantly distributed on the cable sample 37, the movable frames 38 are connected with each other through elastic wires, one of the movable frames 38 is connected with the movable frame 34 through an elastic wire, the other movable frame 38 is connected with one of the side plates 31 through an elastic wire, the movable frame 38 includes a cable collar portion 381, a guide rod collar portion 382 integrally formed with the cable collar portion 381 and located at the upper end of the cable collar portion 381, a wire holder 383 is further arranged at the upper end of the guide rod collar portion 382, and the two movable frames 38 can be connected in sequence through the wire holder 383.
In this embodiment, the oven 2 adopts an air thermal aging test chamber with a model of K-WKL, and the front side of the oven 2 is refitted into transparent glass, so as to facilitate observation of the cable thermal extension process.
In the embodiment, the driving motor 4 adopts a two-speed torque motor with the model number YLJ-90-0.7.
In this embodiment, the numerical control computer 5 adopts a numerical control system of which the model is HNC-21T, the numerical control computer 5 is respectively connected with the oven 2 and the driving motor 4, the oven 2 is controlled to heat the cable sample 37, and then the driving motor 4 is controlled to pull the movable frame 34 after the heating is finished, so that the thermal extension test of the cable sample 37 is performed.
With reference to fig. 1, during operation, the cable sample 37 is continuously fixed by the movable clamp 35 and the fixed clamp 36, and then the oven 2 is controlled by the computer 5 to heat up, so that the cable sample 37 can be softened, which is beneficial to extension, after the cable sample 37 is softened in the oven 2, the computer 5 controls the driving motor 4 to balance the power thereof, and the movable frame 34 is pulled by the steel cable, so that the cable sample 37 can be extended and detected, and the extended length is measured by the graduated scale 32.
Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.
Claims (7)
1. A large-diameter cable thermal extension detection device comprises a detection support, an oven, a detection structure, a driving motor and a numerical control computer, wherein the oven is arranged above the detection support and is fixed with the detection support; the method is characterized in that: the detection structure comprises two side plates which are parallel to each other, a graduated scale connected to the lower ends of the two side plates, a guide rod arranged at the upper end of the two side plates and connected with the two side plates, a moving frame movably arranged on the guide rod, a moving clamp welded on the moving frame, a fixing clamp welded with one side plate, a cable sample with one end fixed with the moving clamp and the other end connected with the fixing clamp, and a moving frame with one end sleeved on the guide rod and the other end sleeved on the cable sample.
2. A large-diameter cable thermal elongation detecting device as claimed in claim 1, wherein: one side face of the side plate is fixedly abutted with the oven, and the lower end face of the side plate is fixedly abutted with the detection support.
3. A large-diameter cable thermal elongation detecting device as claimed in claim 1, wherein: the movable frame comprises a frame body and a sleeve ring portion, wherein the sleeve ring portion is located at the upper end of the frame body and used for being sleeved on the guide rod, and a movable frame wiring block is further arranged at the upper end of the sleeve ring portion.
4. A large-diameter cable thermal elongation detecting device as claimed in claim 1, wherein: the movable clamp comprises a movable clamp body and clamping blocks, wherein the movable clamp body is arranged in an annular mode, the clamping blocks are arranged in the movable clamp body and distributed in an annular array mode, the clamping blocks are fixedly connected with each other, one end of each clamping block penetrates through a stud of the movable clamp body, saw teeth are further arranged on the clamping blocks, and the structure of the fixed clamp is consistent with that of the movable clamp.
5. A large-diameter cable thermal elongation detecting device as claimed in claim 1, wherein: the adjustable frame comprises a cable sleeve ring portion, a guide rod sleeve ring portion which is integrally formed with the cable sleeve ring portion and is located at the upper end of the cable sleeve ring portion, a wire holder is further arranged at the upper end of the guide rod sleeve ring portion, and the two adjustable frames can be sequentially connected through the wire holder.
6. A large-diameter cable thermal elongation detecting device as claimed in claim 1, wherein: the detection support comprises a workbench, column feet arranged at four opposite corners of the workbench and used for supporting the workbench, and a wire frame arranged on one side of the oven and convenient for steel rope transmission, the wire frame is fixedly connected with the workbench, and a wire wheel is further arranged at the upper end of the wire frame.
7. A large-diameter cable thermal elongation detecting device as claimed in claim 1, wherein: the numerical control computer adopts a numerical control system with the model of HNC-21T, and is respectively connected with the oven and the driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920957512.5U CN210347346U (en) | 2019-06-22 | 2019-06-22 | Hot extension detection device of major diameter cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920957512.5U CN210347346U (en) | 2019-06-22 | 2019-06-22 | Hot extension detection device of major diameter cable |
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| Publication Number | Publication Date |
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| CN210347346U true CN210347346U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920957512.5U Active CN210347346U (en) | 2019-06-22 | 2019-06-22 | Hot extension detection device of major diameter cable |
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| CN (1) | CN210347346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537352A (en) * | 2020-07-08 | 2020-08-14 | 广东电网有限责任公司东莞供电局 | Cable tensile strength detection device |
-
2019
- 2019-06-22 CN CN201920957512.5U patent/CN210347346U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537352A (en) * | 2020-07-08 | 2020-08-14 | 广东电网有限责任公司东莞供电局 | Cable tensile strength detection device |
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