CN203672719U - Horizontal tension test machine for composite insulator - Google Patents
Horizontal tension test machine for composite insulator Download PDFInfo
- Publication number
- CN203672719U CN203672719U CN201320862852.2U CN201320862852U CN203672719U CN 203672719 U CN203672719 U CN 203672719U CN 201320862852 U CN201320862852 U CN 201320862852U CN 203672719 U CN203672719 U CN 203672719U
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- dolly
- composite insulator
- fixed
- load beam
- testing machine
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- 239000012212 insulator Substances 0.000 title claims abstract description 45
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 title abstract description 18
- 238000009864 tensile test Methods 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000008093 supporting effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model discloses a horizontal tension test machine for a composite insulator, and belongs to the field of tension test equipment of composite insulators. The horizontal tension test machine comprises two load beams (6) horizontally arranged on the front and rear sides, a left pull head (13) and a right pull head (15), wherein the left pull head (13) is slidingly fixed at the left end parts of the load beams (6) and connected with an oil cylinder (9); the right pull head (15) is slidingly fixed at the right parts of the load beams (6) through an adjustment trolley (14); a plurality of trolley positioning holes (4) are formed in the side walls of the load beams (6); front and rear positioning pins (19) are arranged on the adjustment trolley (14); a rack (21) is fixed at one opposite end of each positioning pin (19); a gear (20) is arranged in the adjustment trolley (14); the two racks (21) are engaged on the two sides of the gear (20); the gear (20) is connected with a rotary operation mechanism arranged on the outer side of the adjustment trolley (14) through a gear shaft (22). The horizontal tension test machine has the advantages of simple structure, convenience for operation and the like.
Description
Technical field
Used in composite insulator horizontal tensile testing machine, belongs to composite insulator tensile test equipment field, is specifically related to a kind of horizontal tensile testing machine of the composite insulator that can detect different length.
Background technology
The electric pressure of composite insulator is by exchanging 10kV ~ 1000kV, many electric pressures of direct current 500kV ~ 800kV.What its length was the shortest has 310mm, and long can reach 11000mm, and this just requires to carry out routine test must be adjustable on a large scale with the useful space and the usage space of the horizontal puller system of sampling observation test.
Existing used in composite insulator horizontal tensile testing machine is except having two kinds of solutions on the adjustable scope external structure of oil cylinder.One is to manufacture extension rod, one is to install to adjust dolly, using extension rod to choose different extension rods according to the length of composite insulator combines, extension rod weight is large, inconvenient operation, labour intensity is high, existing adjustment dolly is fixed on load beam by register pin, in the time that needs are adjusted position, manually by taking out positioning pin, adjust after dolly moves into place and again register pin is inserted in dolly pilot hole, because the pulling force of tension tester is very large, so register pin diameter is very large, weight is very large, cause register pin to pick and place difficulty, and adjustment dolly is difficult to one-time-reach-place, register pin cannot insert in dolly pilot hole smoothly, need to repeatedly adjust, a people is difficult to operation, existing adjustment dolly also has and passes in and out by motor powered register pin, although this structure is simple to operate, be that register pin all must be set before and after fixing-stable but adjust dolly, need at least two motors could drive respectively the register pin action of both sides, cost is very high, need on the load beam of being everlasting, move horizontally and regulate because adjust dolly simultaneously, this just needs the power lead of motor along with regulating dolly to move, move dangerous.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of simple in structure, easy to operate used in composite insulator horizontal tensile testing machine is provided.
The utility model solves the technical scheme that its technical matters adopts: this used in composite insulator horizontal tensile testing machine, comprise two horizontally disposed load beams in front and back, Zola's head and right pull head, the slip of Zola's head is fixed on load beam left part and is connected with oil cylinder, right pull head is fixed on load beam right part by adjusting dolly slip, load beam sidewall offers multiple dolly pilot holes, adjust dolly and be provided with former and later two register pins, it is characterized in that: be fixed with respectively a tooth bar in relative one end of two register pins, adjust in dolly and be provided with a gear, two tooth bars are engaged on the both sides of gear, gear is connected with and is positioned at the rotary operation mechanism of adjusting dolly outside by gear shaft.Drive register pin insert or exit dolly pilot hole by transmitting gear, manual operation, simple in structure, cost is low, easy to operate.
Described register pin upside offers an axial spacing keyway, adjusts on dolly and is fixed with stop screw, and insert in spacing keyway stop screw lower end.Spacing keyway slides along stop screw, and register pin inserts in the process of dolly pilot hole, and stop screw can be thrown off by wheel and rack, and register pin deviates to adjust dolly, prevents that register pin from exiting in the process of dolly pilot hole simultaneously, and collision mutually occurs two register pins.
Described tooth bar rotates and has been installed with guide bearing in the back of tooth relative with gear one side, and guide bearing is arranged on and is adjusted in dolly by the axis of guide.Guide bearing can make tooth bar closely engage with gear all the time, and register pin is accurately inserted in dolly pilot hole.
Described rotary operation mechanism is to be horizontally set on the handwheel of adjusting dolly top.Easy to operate.
Described load beam is respectively equipped with guide rail up and down, adjusts on dolly and is fixed with the roller between guide rail, and load beam downside is fixed with bottom guard shield.Bottom guard shield is convenient to the installation of test specimen and the cleaning of equipment.
Described load beam upside is hinged with safety guard, and safety guard middle part is transparent material.Prevent that test specimen fracture from causing potential safety hazard, uses safety.
Between described Zola's head and oil cylinder, be provided with cushion pad.Prevent that test specimen fracture from causing large impact to oil cylinder, security of operation is stable.
On load beam between described Zola's head and right pull head, slide and be provided with a bracket, bracket bottom is provided with height regulating mechanism.Can detect multiple insulators, with the insulator in the middle of bracket vertical supporting, testing result is accurate, can adapt to the insulator of different size simultaneously.
Described adjustment dolly upside be fixed with one along alignment pin to pointer, load beam correspondence above dolly pilot hole is provided with pilot hole mark, pointed pilot hole mark.Mobile adjustment after dolly, pointer aligns pilot hole mark and represents that register pin has aligned dolly pilot hole, register pin 19 accurately can be inserted in dolly pilot hole 4, easy to operate.
Compared with prior art, the beneficial effect that the utility model used in composite insulator horizontal tensile testing machine has is:
1, simple in structure, easy to operate, drive register pin insert or exit dolly pilot hole by transmitting gear, manual operation, does not need drive by wire motor, and simple in structure, cost is low, easy to operate, uses safety.
2, reliable operation, spacing keyway slides along stop screw, and register pin inserts in the process of dolly pilot hole, stop screw can be thrown off by wheel and rack, register pin deviates to adjust dolly, prevents that register pin from exiting in the process of dolly pilot hole simultaneously, and collision mutually occurs two register pins.Guide bearing can make tooth bar closely engage with gear all the time, and register pin is accurately inserted in dolly pilot hole.
3, can detect multiple insulators, with the insulator in the middle of bracket vertical supporting, testing result is accurate, can adapt to the insulator of different size simultaneously.
Brief description of the drawings
Fig. 1 is the front view of the utility model used in composite insulator horizontal tensile testing machine.
Fig. 2 is the vertical view of used in composite insulator horizontal tensile testing machine.
Fig. 3 is the partial structurtes schematic diagram of C in Fig. 2.
Fig. 4 is the cut-open view schematic diagram at A-A place in Fig. 1.
Fig. 5 is the cut-open view schematic diagram at B-B place in Fig. 1.
Fig. 6 is gear & rack structure schematic diagram.
Fig. 7 is the vertical view of adjusting dolly.
Fig. 8 is the cross-sectional schematic at D-D place in Fig. 6.
Fig. 9 is the structural representation of steering wheel type handwheel.
Wherein: 1, oil cylinder seat 2, bottom guard shield 3, supporting bracket 4, dolly pilot hole 5, safety guard 6, load beam 7, front beam 8, load sensor 9, oil cylinder 10, pull bar 11, rear cross beam 12, cushion pad 13, Zola 14, adjust dolly 15, right pull head 16, guide bearing 17, displacement transducer 18, the axis of guide 19, register pin 20, gear 21, tooth bar 22, gear shaft 23, handwheel 24, spacing keyway 25, stop screw 26, guide rail 27, roller 28, bracket 29, pointer 30, right pull head fixed pin 31, adjuster bar 32, screw mandrel 33, internal thread adjusting sleeve 34, fixed cover 35, handle.
Embodiment
Fig. 1 ~ 8th, the most preferred embodiment of the utility model used in composite insulator horizontal tensile testing machine, is described further below in conjunction with 1 ~ 9 pair of the utility model of accompanying drawing.
With reference to Fig. 1～2, used in composite insulator horizontal tensile testing machine, comprise load beam 6, Zola 13 and right pull head 15, load beam 6 has horizontally disposed two of front and back, load beam 6 bottoms fix on the ground by supporting bracket 3, Zola's 13 slip are fixed on load beam 6 left parts, Zola 13 is connected with oil cylinder 9, right pull head 15 is fixed on load beam 6 right parts by adjusting dolly 14 slips, load beam 6 sidewalls offer multiple dolly pilot holes 4, adjust dolly 14 and be provided with former and later two register pins 19, register pin 19 is inserted in different dolly pilot holes 4, can adjust the spacing of Zola 13 and right pull head 15, thereby detect the insulator of different length.
With reference to Fig. 1, load beam 6 upsides are hinged with safety guard 5, prevent that test specimen fracture from causing potential safety hazard, use safety, and safety guard 5 middle parts are transparent material, are convenient to observe the detected state of test specimen.Load beam 6 downsides are fixed with bottom guard shield 2, can prevent that by bottom guard shield 2 test specimen from dropping, and are convenient to the installation of test specimen and the cleaning of equipment.
With reference to Fig. 2～3, oil cylinder 9 is horizontally fixed on load beam 6 by oil cylinder seat 1, tailpiece of the piston rod is fixedly connected with a front beam 7, the piston rod end of oil cylinder 9 is provided with load sensor 8 and displacement transducer 17, front beam 7 is fixedly connected with rear cross beam 11 by two pull bars 10, front beam 7 all slides and is fixed on load beam 6 with rear cross beam 11, Zola 13 is fixed on rear cross beam 11, and be provided with cushion pad 12 between Zola 13 and rear cross beam 11, prevent that by cushion pad 12 test specimen fracture from causing large impact to oil cylinder 9, security of operation is stable.
With reference to Fig. 4, load beam 6 middle parts are also provided with a bracket 28, bracket 28 lower ends are slidably arranged on load beam 6 by height regulating mechanism, height regulating mechanism comprises screw mandrel 32, internal thread adjusting sleeve 33 and fixed cover 34, screw mandrel 32 is vertically fixed on bracket 28 lower ends, screw mandrel 32 outside screw are arranged with an internal thread adjusting sleeve 33, internal thread adjusting sleeve 33 tops are provided with multiple adjuster bars 31, internal thread adjusting sleeve 33 is slidably located in fixed cover 34, the bottom that is fixed on load beam 6 of fixed cover 34 horizontal slips, utilize used in composite insulator horizontal tensile testing machine of the present utility model multiple insulator head and the tail to be connected simultaneously, detect multiple insulators simultaneously, with the insulator in the middle of bracket 28 vertical supportings, testing result is accurate, different composite insulator diameter differences, rotate internal thread adjusting sleeve 33 by operation adjuster bar 31, screw mandrel 32 is axially moved, thereby the height of bracket 28.
With reference to Fig. 5, load beam 6 tops, bottom are respectively equipped with guide rail 26, and upper side, the downside of adjusting dolly 14 are fixed with respectively roller 27, and roller 27 rolls and is arranged between guide rail 26, adjust dolly 14 along guide rail 26 horizontal slips, guide rail 26 has the effect of vertical location to adjusting dolly 14 simultaneously.
Adjust dolly 14 upper horizontal and be provided with a handwheel 23, handwheel 23 is connected with one by a vertical gear shaft 22 and is positioned at the gear 20 of adjusting dolly 14 inside, gear 20 both sides, front and back are engaged with respectively tooth bar 21, one end of two tooth bars 21 is fixedly connected with register pin 19 respectively, rotation hand wheel 23 can rotate by gear shaft 22 driven gears 20, gear 20 drives two register pin 19 relative motions by two tooth bars 21, thereby insert or exit dolly pilot hole 4, completing adjusting the fixing of dolly 14.
The upside of register pin 19 offers an axial spacing keyway 24, adjust dolly 14 upsides and be vertically fixed with a stop screw 25, insert in spacing keyway 24 stop screw 25 lower ends, spacing keyway 24 slides along stop screw 25, register pin 19 inserts in the process of dolly pilot hole 4, stop screw 25 can prevent handwheel 23 operations too much, cause gear 20 and tooth bar 21 to throw off, register pin 19 deviates to adjust dolly 14, prevent that register pin 19 from exiting in the process of dolly pilot hole 4, there is collision mutually in two register pins 19 simultaneously.
With reference to Fig. 6, adjust dolly 14 upper sides and be symmetrically distributed with four rolling 27, in roller 27, be equipped with bearing, adjust dolly 14 upper sides and be fixed with the handle 35 of adjusting dolly 14 for sliding, adjust dolly 14 upper sides and be fixed with one along the axial pointer 29 of register pin 19, load beam 6 correspondence above dolly pilot hole 4 is provided with pilot hole mark, pointer 29 points to pilot hole mark, mobile adjustment after dolly 14, pointer 29 aligns pilot hole mark and represents that register pin 19 has aligned dolly pilot hole 4, rotation hand wheel 23 just can accurately insert register pin 19 in dolly pilot hole 4, easy to operate.
With reference to Fig. 7～8, two staggered both sides that are positioned at gear 20 of tooth bar 21, tooth bar 21 rotates and has been installed with guide bearing 16 in the back of tooth relative with gear 20 one side, guide bearing 16 is arranged on and is adjusted in dolly 14 by the axis of guide 18, guide bearing 16 can make tooth bar 21 closely engage with gear 20 all the time, and register pin 19 is accurately inserted in dolly pilot hole 4.Right pull head 15 is fixed on and is adjusted on dolly 14 by a right pull head fixed pin 30.
Principle of work and the course of work are as follows: move to suitable position according to the length of composite insulator by adjusting dolly 14, rotation hand wheel 23 inserts register pin 19 in dolly pilot hole 4, adjust the height of bracket 28 according to the diameter of composite insulator, composite insulator downside is contacted with bracket 28, composite insulator two ends are separately fixed on Zola 13 and right pull head 15, start oil cylinder 9, load sensor 8 is demarcated the pulling force of required loading, detect the deflection of test specimen composite insulator by displacement transducer 17, in the time that being less than standard value, deflection illustrates that composite insulator is certified products, in the time that being greater than standard value, deflection illustrates that composite insulator can not bear rated load, for unacceptable product.
Be more than most preferred embodiment of the present utility model, the utility model can also adopt following structure:
With reference to Fig. 9, handwheel 23 can also adopt steering wheel structure, is applicable to large-tonnage tension tester, easy to operate.
The utility model can also be fixed a vertical dwang at handwheel 23 upsides, or adopts crank structure.
The above, it is only preferred embodiment of the present utility model, be not the restriction of the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (9)
1. a used in composite insulator horizontal tensile testing machine, comprise two horizontally disposed load beams in front and back (6), Zola's head (13) and right pull head (15), Zola's head (13) slip is fixed on load beam (6) left part and is connected with oil cylinder (9), right pull head (15) is fixed on load beam (6) right part by adjusting dolly (14) slip, load beam (6) sidewall offers multiple dolly pilot holes (4), adjust dolly (14) and be provided with former and later two register pins (19), it is characterized in that: be fixed with respectively a tooth bar (21) in relative one end of two register pins (19), adjust in dolly (14) and be provided with a gear (20), two tooth bars (21) are engaged on the both sides of gear (20), gear (20) is connected with and is positioned at the rotary operation mechanism of adjusting dolly (14) outside by gear shaft (22).
2. used in composite insulator horizontal tensile testing machine according to claim 1, it is characterized in that: described register pin (19) upside offers an axial spacing keyway (24), adjust on dolly (14) and be fixed with stop screw (25), insert in spacing keyway (24) stop screw (25) lower end.
3. used in composite insulator horizontal tensile testing machine according to claim 1, it is characterized in that: described tooth bar (21) rotates and has been installed with guide bearing (16) in the back of tooth relative with gear (20) one side, and guide bearing (16) is arranged on and is adjusted in dolly (14) by the axis of guide (18).
4. used in composite insulator horizontal tensile testing machine according to claim 1, is characterized in that: described rotary operation mechanism is for being horizontally set on the handwheel (23) of adjusting dolly (14) top.
5. used in composite insulator horizontal tensile testing machine according to claim 1, it is characterized in that: described load beam (6) is respectively equipped with guide rail (26) up and down, adjust on dolly (14) and be fixed with the roller (27) being positioned between guide rail (26), load beam (6) downside is fixed with bottom guard shield (2).
6. used in composite insulator horizontal tensile testing machine according to claim 1 or 5, is characterized in that: described load beam (6) upside is hinged with safety guard (5), and safety guard (5) middle part is transparent material.
7. used in composite insulator horizontal tensile testing machine according to claim 1, is characterized in that: between described Zola's head (13) and oil cylinder (9), be provided with cushion pad (12).
8. used in composite insulator horizontal tensile testing machine according to claim 1, it is characterized in that: the upper slip of load beam (6) between described Zola's head (13) and right pull head (15) is provided with a bracket (28), and bracket (28) bottom is provided with height regulating mechanism.
9. used in composite insulator horizontal tensile testing machine according to claim 1, it is characterized in that: described adjustment dolly (14) upside is fixed with one along the axial pointer (29) of register pin (19), load beam (6) is provided with pilot hole mark in dolly pilot hole (4) top correspondence, and pointer (29) points to pilot hole mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862852.2U CN203672719U (en) | 2013-12-25 | 2013-12-25 | Horizontal tension test machine for composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862852.2U CN203672719U (en) | 2013-12-25 | 2013-12-25 | Horizontal tension test machine for composite insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203672719U true CN203672719U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320862852.2U Expired - Lifetime CN203672719U (en) | 2013-12-25 | 2013-12-25 | Horizontal tension test machine for composite insulator |
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| Country | Link |
|---|---|
| CN (1) | CN203672719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840885A (en) * | 2017-03-29 | 2017-06-13 | 湖北武大珞珈工程结构检测咨询有限公司 | A kind of large-tonnage horizontal tensile testing machine |
-
2013
- 2013-12-25 CN CN201320862852.2U patent/CN203672719U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840885A (en) * | 2017-03-29 | 2017-06-13 | 湖北武大珞珈工程结构检测咨询有限公司 | A kind of large-tonnage horizontal tensile testing machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
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| CX01 | Expiry of patent term |