CN203587452U - Tensile testing device for junction box - Google Patents
Tensile testing device for junction box Download PDFInfo
- Publication number
- CN203587452U CN203587452U CN201320751074.XU CN201320751074U CN203587452U CN 203587452 U CN203587452 U CN 203587452U CN 201320751074 U CN201320751074 U CN 201320751074U CN 203587452 U CN203587452 U CN 203587452U
- Authority
- CN
- China
- Prior art keywords
- terminal box
- grip block
- detecting apparatus
- stretching force
- force detecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000009864 tensile test Methods 0.000 title abstract description 5
- 238000009434 installation Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000011007 installation qualification Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a tensile testing device for a junction box. The tensile testing device comprises a fixing device, a pouring weight and an elevator, wherein the fixing device is used for fixing a to-be-detected junction box; the pouring weight is connected with the free end of a cable of the junction box fixed on the fixing device; the elevator moves along the vertical direction to support or release the pouring weight. By adopting the tensile testing device, the pouring weight connected with the cable of the junction box is repeatedly dragged or released by using the elevator, and whether the cable is firmly connected or not can be accurately detected by measuring the length of the fixed end of the cable shifting out of a shell of the junction box after the elevator moves for a plurality of times.
Description
Technical field
The utility model relates to detection field, more specifically, relates to a kind of terminal box stretching force detecting apparatus.
Background technology
Terminal box in photovoltaic module in use; cable in terminal box often can be subject to the effect of some power; sometimes there is virtual connection and cause electric power accident in the connection terminal of this cable and terminal box inside in this case; so; it is very necessary that cable on butted line box carries out the detection of tightness pulling force; like this, can reduce largely the potential hidden danger of quality of product.
At present, the method that the cable on butted line box carries out tensile test has two kinds: a kind of is that the speed of fixing is extracted cable in terminal box; Another kind is that a fixing power is applied on cable.
Yet, in these two kinds of detection modes, to power that cable applies, are all the bed knifes that always exist, and cable when practical application, be between or ground stressed, therefore these two kinds of detection modes all can not simulate cable in the situation of when application reality power of bearing, thereby whether the connection that cannot detect the cable in terminal box can reach the standard while using more accurately; In addition, current detection mode butted line box has produced damage, and the cable that can not achieve a butt joint on line box carries out the test of repetition.
Utility model content
The utility model aims to provide a kind of terminal box stretching force detecting apparatus, to solve the cable of being inconvenient to detect in terminal box of prior art, whether connects reliable problem.
For solving the problems of the technologies described above, of the present utility modelly provide a kind of terminal box stretching force detecting apparatus, comprising: for the stationary installation of fixing terminal box to be detected; Pouring weight, pouring weight is connected with the free end that is fixed on the cable of the terminal box in stationary installation; Jacking gear, jacking gear vertically moves to hold or discharge pouring weight.
Further, jacking gear comprises: lifting tray and drive unit, the output terminal of drive unit is connected with lifting tray and drives lifting tray to hold up or discharge pouring weight.
Further, drive unit is servomotor.
Further, terminal box stretching force detecting apparatus also comprises: cable clamp and connecting line, and the lower end of cable clamp connection cable and the upper end of connecting line, the lower end of connecting line is connected with pouring weight.
Further, connecting line is steel wire.
Further, terminal box stationary installation comprises: the first grip block and the second grip block, and on the first grip block, be provided with the first holes for clamping, on the second grip block, be provided with second holes for clamping corresponding with the first holes for clamping, and the first holes for clamping extends to the other end of the first grip block from one end of the first grip block, the second holes for clamping extends to the other end of the second grip block from one end of the second grip block; Fishbolt, the both sides of terminal box are provided with fishbolt, and fishbolt is fixed on terminal box between the first grip block and the second grip block through the first holes for clamping and the second holes for clamping.
Preferably, pouring weight is counterweight.
Preferably, terminal box pick-up unit also comprises base, and terminal box stationary installation is arranged on the top of base, and jacking gear is arranged on base.
Preferably, terminal box pick-up unit also comprises: connecting link, and the upper end of connecting link is connected with terminal box stationary installation, and the lower end of connecting link is connected with base.
Preferably, terminal box pick-up unit comprises two connecting links that be arranged in parallel.
The utility model is by the pouring weight that utilizes jacking gear repeatedly to hold in the palm or release is connected with the cable of terminal box, and move after some number of times at jacking gear, whether the stiff end of measuring cable shifts out the length of the housing of terminal box, just can detect more exactly cable and be connected firmly.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structural representation of the terminal box stretching force detecting apparatus in the utility model; And
Fig. 2 has schematically shown the A portion enlarged drawing in Fig. 1.
Reference numeral in figure: 10, jacking gear; 11, lifting tray; 12, drive unit; 20, stationary installation; 21, the first grip block; 22, the second grip block; 23, the first holes for clamping; 24, the second holes for clamping; 25, fishbolt; 30, pouring weight; 50, cable clamp; 60, connecting line; 70, base; 80, connecting link; 90, terminal box; 91, cable.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
One aspect of the present invention, provides a kind of terminal box stretching force detecting apparatus, please refer to Fig. 1 and Fig. 2, and this terminal box stretching force detecting apparatus comprises: for the stationary installation 20 of fixing terminal box 90 to be detected; Pouring weight 30, pouring weight 30 is connected with the free end that is fixed on the cable 91 of the terminal box 90 in stationary installation 20; Jacking gear 10, jacking gear 10 vertically moves to hold or discharge pouring weight 30.
As depicted in figs. 1 and 2, terminal box 90 is arranged in stationary installation 20, and the free end of the cable of terminal box 90 91 is connected with pouring weight 30, jacking gear 10 vertically repeatedly moves to hold or discharge this pouring weight 30, when jacking gear 10 is held continuously or discharges after pouring weight pre-determined number, the stiff end that checks cable 91 shifts out the length of housing of terminal box 90 whether within preset range, if do not exceed this critical field, cable 91 installation qualifications that represent this terminal box 90, otherwise, install defective.Preferably, the weight of pouring weight 30 is 30N, and pre-determined number is 50 times, and preset range is 2mm.
The utility model is by utilizing jacking gear 10 repeatedly to hold in the palm pouring weight moving or that release is connected with the cable 91 of terminal box 90, and after the some number of times of jacking gear 10 motion, whether the stiff end of measuring cable 91 shifts out the length of the housing of terminal box 90, just can detect more exactly cable 91 and connect reliably.
Preferably, jacking gear 10 comprises: lifting tray 11 and drive unit 12, the output terminal of drive unit 12 is connected with lifting tray 11 and drives lifting tray 11 to hold up or discharge pouring weight 30.
Preferably, drive unit 12 is servomotor.Utilize driven by servomotor lifting tray 11 can realize more easily the elevating movement of pallet, and than the lifting number of times that is easier to control lifting tray.
Preferably, terminal box stretching force detecting apparatus also comprises: cable clamp 50 and connecting line 60, and the lower end of cable clamp 50 connection cables 91 and the upper end of connecting line 60, the lower end of connecting line 60 is connected with pouring weight 30.Pouring weight 30 is connected to the free end of cable 91 by connecting line 60, couple together more conveniently, and can reduce the damage to cable 91.
Preferably, connecting line 60 is steel wire.
Preferably, terminal box stationary installation 20 comprises: the first grip block 21 and the second grip block 22, and on the first grip block 21, be provided with the first holes for clamping 23, on the second grip block 22, be provided with second holes for clamping 24 corresponding with the first holes for clamping 23, and the first holes for clamping 23 extends to the other end of the first grip block 21 from one end of the first grip block 21, the second holes for clamping 24 extends to the other end of the second grip block 22 from one end of the second grip block 22; Fishbolt 25, the both sides of terminal box 90 are provided with fishbolt 25, and fishbolt 25 is fixed on terminal box 90 between the first grip block 21 and the second grip block 22 through the first holes for clamping 23 and the second holes for clamping 24.According to actual needs, also can on the first grip block 21, be provided with two the first holes for clamping 23, on the second grip block 22, be provided with two respectively with second holes for clamping 24 that the first holes for clamping 23 is corresponding, and the region of terminal box 90 form to be installed between the first holes for clamping 23 and the second holes for clamping 24.
Preferably, pouring weight 30 is counterweight.According to different situations, can change the counterweight of Different Weight, operate fairly simple.
Preferably, terminal box pick-up unit also comprises base 70, and terminal box stationary installation 20 is arranged on the top of base 70, and jacking gear 10 is arranged on base 70.Like this, can more effectively realize jacking gear to the picking-up of pouring weight 30 or release.
Preferably, terminal box pick-up unit also comprises: connecting link 80, and the upper end of connecting link 80 is connected with terminal box stationary installation 20, and the lower end of connecting link 80 is connected with base 70.Preferably, one end of connecting link 80 is connected with the sidewall of the first grip block 21.Preferably, the other end of connecting link 80 is connected with the sidewall of base 70.
Preferably, terminal box pick-up unit comprises two connecting links that be arranged in parallel 80.Like this, both can more effectively guarantee that the relative position between stationary installation 20 and base 70 remained unchanged always.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a terminal box stretching force detecting apparatus, is characterized in that, comprising:
Stationary installation (20) for fixing terminal box (90) to be detected;
Pouring weight (30), described pouring weight (30) is connected with the free end that is fixed on the cable (91) of the described terminal box (90) in described stationary installation (20);
Jacking gear (10), described jacking gear (10) vertically moves to hold or discharges described pouring weight (30).
2. terminal box stretching force detecting apparatus according to claim 1, is characterized in that, described jacking gear (10) comprising:
Lifting tray (11) and drive unit (12), the output terminal of described drive unit (12) is connected with described lifting tray (11) and drives described lifting tray (11) to hold up or discharge described pouring weight (30).
3. terminal box stretching force detecting apparatus according to claim 2, is characterized in that, described drive unit (12) is servomotor.
4. terminal box stretching force detecting apparatus according to claim 1, is characterized in that, described terminal box stretching force detecting apparatus also comprises:
Cable clamp (50) and connecting line (60), described cable clamp (50) connects the lower end of described cable (91) and the upper end of described connecting line (60), and the lower end of described connecting line (60) is connected with described pouring weight (30).
5. terminal box stretching force detecting apparatus according to claim 4, is characterized in that, described connecting line (60) is steel wire.
6. terminal box stretching force detecting apparatus according to claim 1, is characterized in that, described terminal box stationary installation (20) comprising:
The first grip block (21) and the second grip block (22), and on described the first grip block (21), be provided with the first holes for clamping (23), on described the second grip block (22), be provided with second holes for clamping (24) corresponding with described the first holes for clamping (23), and described the first holes for clamping (23) extends to the other end of described the first grip block (21) from one end of described the first grip block (21), described the second holes for clamping (24) extends to the other end of described the second grip block (22) from one end of described the second grip block (22);
Fishbolt (25), the both sides of described terminal box (90) are provided with described fishbolt (25), and described fishbolt (25) is fixed on described terminal box (90) between described the first grip block (21) and described the second grip block (22) through described the first holes for clamping (23) and described the second holes for clamping (24).
7. terminal box stretching force detecting apparatus according to claim 1, is characterized in that, described pouring weight (30) is counterweight.
8. terminal box stretching force detecting apparatus according to claim 2, it is characterized in that, described terminal box pick-up unit also comprises base (70), described terminal box stationary installation (20) is arranged on the top of described base (70), and described jacking gear (10) is arranged on described base (70).
9. terminal box stretching force detecting apparatus according to claim 8, is characterized in that, described terminal box pick-up unit also comprises:
Connecting link (80), the upper end of described connecting link (80) is connected with described terminal box stationary installation (20), and the lower end of described connecting link (80) is connected with described base (70).
10. terminal box stretching force detecting apparatus according to claim 9, is characterized in that, described terminal box pick-up unit comprises two described connecting links (80) that be arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320751074.XU CN203587452U (en) | 2013-11-25 | 2013-11-25 | Tensile testing device for junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320751074.XU CN203587452U (en) | 2013-11-25 | 2013-11-25 | Tensile testing device for junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587452U true CN203587452U (en) | 2014-05-07 |
Family
ID=50585355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320751074.XU Expired - Lifetime CN203587452U (en) | 2013-11-25 | 2013-11-25 | Tensile testing device for junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587452U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621420A (en) * | 2016-07-13 | 2018-01-23 | 上海天祥质量技术服务有限公司 | A kind of photovoltaic component terminal box lead-out wire bending performance test device |
| CN107831066A (en) * | 2017-10-27 | 2018-03-23 | 燕京啤酒(桂林漓泉)股份有限公司 | One kind judges the whether satisfactory method of corrugated case PUR joint sealing firmness |
| CN111122356A (en) * | 2019-11-28 | 2020-05-08 | 浙江华电器材检测研究所有限公司 | Tensile test device for charging interface connecting cable |
-
2013
- 2013-11-25 CN CN201320751074.XU patent/CN203587452U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621420A (en) * | 2016-07-13 | 2018-01-23 | 上海天祥质量技术服务有限公司 | A kind of photovoltaic component terminal box lead-out wire bending performance test device |
| CN107831066A (en) * | 2017-10-27 | 2018-03-23 | 燕京啤酒(桂林漓泉)股份有限公司 | One kind judges the whether satisfactory method of corrugated case PUR joint sealing firmness |
| CN107831066B (en) * | 2017-10-27 | 2021-01-12 | 燕京啤酒(桂林漓泉)股份有限公司 | Method for judging whether sealing firmness of hot melt adhesive of corrugated case meets requirements |
| CN111122356A (en) * | 2019-11-28 | 2020-05-08 | 浙江华电器材检测研究所有限公司 | Tensile test device for charging interface connecting cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |