CN208795604U - A kind of automatic pull force tester of Lever Blocks - Google Patents
A kind of automatic pull force tester of Lever Blocks Download PDFInfo
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- CN208795604U CN208795604U CN201821115799.9U CN201821115799U CN208795604U CN 208795604 U CN208795604 U CN 208795604U CN 201821115799 U CN201821115799 U CN 201821115799U CN 208795604 U CN208795604 U CN 208795604U
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- lever blocks
- earth anchor
- hydraulic cylinder
- shackle
- tested
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- 238000012360 testing method Methods 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 abstract description 2
- 239000010720 hydraulic oil Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013401 experimental design Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model relates to a kind of automatic pull force tester of Lever Blocks, earth anchor is mounted at the both ends of Lever Blocks to be tested, shackle is respectively connected on the earth anchor at every end, one end of hydraulic cylinder is connected with the shackle on the earth anchor for being located at one end, the other end is connect with one end of Lever Blocks to be tested, and the other end of Lever Blocks to be tested is connected with the shackle on the earth anchor for being located at the other end；Hydraulic cylinder is connect with hydraulic station and electrical control system respectively；Hydraulic oil is provided for hydraulic cylinder by hydraulic station, so that hydraulic cylinder is completed expanding-contracting action, is adjusted by telescopic level of the electrical control system to hydraulic cylinder, to realize the load or unload of Lever Blocks to be tested, completes the pull test of Lever Blocks.The utility model can be realized load and unloading total used time is less than or equal to 10min, not need manpower loading and unloading, easy to operate and safe and reliable, saves labour and labor intensity, greatly improves production efficiency.
Description
Technical field
The utility model belongs to power transmission and transformation line construction field, specifically a kind of automatic pull test dress of Lever Blocks
It sets.
Background technique
Lever Blocks is the important construction equipment of work transmission line construction, and Lever Blocks is required to provide safety in the application
Reliable pulling force.According to requiring every time using the preceding pull test that must carry out 1.25 times of nominal load to every Lever Blocks
(mostly in 8~15 ton forces), to guarantee to use safely.Currently, generally there is Lever Blocks more than 2000 in every transmission and transformation engineering company
Platform, pull test are a highly difficult problems.It is outer committee have the test mechanism of great tonnage hydraulic tensile testing machine it is costly, effect
Rate is lower, it is difficult to meet and have enough to meet the need faster use demand.So Xian Gejia Electric Power Transmission & transformation Company is mostly using two at a distance of 5 meters or so
Fixture, such as big usage tree root or great fixture divide multiple groups to carry out pull test as basis is born, but there is also below
It is insufficient.
1. single group pull test working efficiency is low；Loading process needs artificial hand to remove chain block load, unloading, average wobble
300 times or so, process time want 30 minutes one.
2. large labor intensity；One pulling force, which need to be loaded manually, to be moved handle more than 300 times, full swing power 55kg or so, right
Operating personnel's physical demands is larger.
3. security risk is big；Manual operation, a several hundred secondary stress are pulled, easily injured, and safety is poor.
4. as utilized big usage tree root not environmentally；Basis is born using trees ' root, generally at 10 tons or so, stress is larger
Keep trees impaired, easily causes tree death, environment is not environmentally.Existing tension experimental design is expensive and heavy.
Utility model content
For the above problem existing for existing Lever Blocks pull test, the purpose of this utility model is to provide a kind of hands
Pull the automatic pull force tester of cucurbit.
The purpose of this utility model is achieved through the following technical solutions:
The utility model includes shackle, earth anchor, hydraulic cylinder, hydraulic station and electrical control system, wherein in hand to be tested
The both ends for pulling cucurbit are mounted on earth anchor, are respectively connected with shackle on the earth anchor at every end, one end of the hydraulic cylinder be located at one end
Earth anchor on shackle be connected, the other end is connect with one end of Lever Blocks to be tested, the Lever Blocks to be tested
The other end is connected with the shackle on the earth anchor for being located at the other end；The hydraulic cylinder connects with hydraulic station and electrical control system respectively
It connects；
Wherein: draw-bar donamometer is equipped between one end of the hydraulic cylinder and shackle on the earth anchor of one end；
The earth anchor at both ends is embedded to underground, as the both ends of pull test, at least load 15t；The shackle load-bearing
At least 17t.
The advantages of the utility model and good effect are as follows:
The utility model can be realized load and unloading, and total used time is less than or equal to 10min, does not need manpower load and unloads
It carries, only needs personnel's operating device, it is easy to operate and safe and reliable, labour and labor intensity are saved, is greatlyd improve
Production efficiency.
Detailed description of the invention
Fig. 1 is the structure top view of the utility model；
Fig. 2 is the structural front view of the utility model；
Wherein: 1 is shackle, and 2 be earth anchor, and 3 be draw-bar donamometer, and 4 be hydraulic cylinder, and 5 be hydraulic station, and 6 be electrical control system, 7
For Lever Blocks.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, the utility model includes shackle 1, earth anchor 2, draw-bar donamometer 3, hydraulic cylinder 4, hydraulic station 5 and electric appliance
Control system 6, wherein being mounted on earth anchor 2 at the both ends of Lever Blocks 7 to be tested, the earth anchor 2 at both ends is embedded to underground, makees
For the both ends of pull test, at least load 15t；At a distance of 20 meters between the both ends earth anchor 2 of the present embodiment.On the earth anchor 2 at every end
It is connected with shackle 1, shackle 1 is inserted into the connecting hole of earth anchor 2, load-bearing at least 17t.By pulling force between the shackle 1 of both ends earth anchor 2
Table 3, hydraulic cylinder 4 and Lever Blocks 7 are linked in sequence, i.e. the shackle 1 on the earth anchor 2 for being located at one end connects draw-bar donamometer 3, hydraulic cylinder
4 one end is connected with draw-bar donamometer 3, and the other end is connect with one end of Lever Blocks 7 to be tested, Lever Blocks 7 to be tested
The other end is connected with the shackle 1 on the earth anchor 2 for being located at the other end.Hydraulic cylinder 4 connects with hydraulic station 5 and electrical control system 6 respectively
It connects, the electrical control system 6 of the utility model is the prior art, and details are not described herein.
For the utility model for the selection of shackle 1, selection meets the shackle of Lever Blocks pull test tonnage, have 16t,
Two kinds of models of 17t；That the present embodiment is chosen is load-bearing 17t.
It is embedded to pulling force using the earth anchor of existing suitable tonnage specification by selection of the utility model for earth anchor 2 respectively
Test site both ends, as bearing basis；The present embodiment uses the model of 15t.
Measurement of the utility model for test pulling force, selects the draw-bar donamometer 3 with shockproof function with setting pulling force tonnage；
The present embodiment can not only realize predetermined function, and cost compared with the pulling force of belt sensor using the draw-bar donamometer of 20t model
It is cheap.
Selection of the utility model for hydraulic cylinder 4, hydraulic station 5 and electrical control system 6, selection meet Lever Blocks drawing
Power tests the hydraulic assembly of tonnage, according to require every time using it is preceding must every Lever Blocks 7 carry out 1.25 times of nominal load
Pull test, hydraulic assembly tonnage requires more than 15t.
The pulling force of the utility model hydraulic cylinder 4 can be set before work by hydraulic station 5 according to the size of Lever Blocks pulling force
It is fixed, to improve the safety used.
The test method of the utility model are as follows:
Earth anchor 2 is embedded to underground as the both ends of pull test, shackle 1 is respectively mounted on the earth anchor 2 at every end, by hydraulic cylinder
4 one end, draw-bar donamometer 3 are sequentially connected in the shackle 1 on one end earth anchor 2, then the both ends of Lever Blocks 7 to be tested are distinguished
Be connected with the shackle 1 on the other end of hydraulic cylinder 4 and other end earth anchor 2, finally by hydraulic cylinder 4 respectively with hydraulic station 5, electric appliance control
System 6 processed connects；It is that hydraulic cylinder 4 provides hydraulic oil by hydraulic station 5, so that hydraulic cylinder 4 is completed expanding-contracting action, pass through electrical equipment control
The telescopic level of hydraulic cylinder 4 is adjusted in system 6, to realize the load or unload of Lever Blocks 7 to be tested, completes hand and pulls
The pull test of cucurbit 7.Specific steps are as follows:
A., earth anchor 2 is embedded in the position of setting, two shackles 1 are inserted into respectively in the connecting hole of both ends earth anchor 2, wherein one
The shackle 1 at end connects draw-bar donamometer 3, which sets test pulling force；
B. hydraulic cylinder 4 is connected on hydraulic station 5 and electrical control system 6；
C. draw-bar donamometer 3 is connect with one end of hydraulic cylinder 4；
D. the one end for the Lever Blocks 7 that pull test is done in preparation is hung on hydraulic cylinder 4, the other end is hung over far from draw-bar donamometer
In the shackle 1 that 3 other end earth anchor 2 connects；The chain for arranging Lever Blocks 7 avoids chain knotting from having some setbacks, and by Lever Blocks
7 bands are tight, keep chain exceptionally straight；
E. electrical control system 6 is powered, is retracted by the cylinder body that the electrical control system 6 controls hydraulic cylinder 4, thus real
Now load；Stop retraction when draw-bar donamometer 3 reaches predetermined pull, pressure maintaining is carried out to Lever Blocks 7 according to setting time；When pressure maintaining
Between arrive after, control hydraulic cylinder 4 makes its elongation, unloads Lever Blocks 7, completes pull test.
The pull test of the utility model Lever Blocks 7 loads and total used time of unloading is less than or equal to 10min.
Claims (4)
1. a kind of automatic pull force tester of Lever Blocks, it is characterised in that: including shackle (1), earth anchor (2), hydraulic cylinder (4),
Hydraulic station (5) and electrical control system (6), wherein being mounted on earth anchor (2) at the both ends of Lever Blocks (7) to be tested, often
It is respectively connected with shackle (1) on the earth anchor (2) at end, one end of the hydraulic cylinder (4) and the shackle on the earth anchor (2) for being located at one end
(1) it is connected, the other end is connect with one end of Lever Blocks (7) to be tested, the other end of the Lever Blocks (7) to be tested
It is connected with the shackle (1) on the earth anchor (2) for being located at the other end；The hydraulic cylinder (4) respectively with hydraulic station (5) and electrical equipment control system
System (6) connection.
2. the automatic pull force tester of Lever Blocks according to claim 1, it is characterised in that: the hydraulic cylinder (4)
Draw-bar donamometer (3) are equipped between one end and the shackle (1) being located on the earth anchor (2) of one end.
3. the automatic pull force tester of Lever Blocks according to claim 1, it is characterised in that: the earth anchor at both ends
(2) it is embedded to underground, as the both ends of pull test, at least load 15t.
4. the automatic pull force tester of Lever Blocks according to claim 1, it is characterised in that: shackle (1) load-bearing
At least 17t.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821115799.9U CN208795604U (en) | 2018-07-13 | 2018-07-13 | A kind of automatic pull force tester of Lever Blocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821115799.9U CN208795604U (en) | 2018-07-13 | 2018-07-13 | A kind of automatic pull force tester of Lever Blocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208795604U true CN208795604U (en) | 2019-04-26 |
Family
ID=66202349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821115799.9U Active CN208795604U (en) | 2018-07-13 | 2018-07-13 | A kind of automatic pull force tester of Lever Blocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208795604U (en) |
-
2018
- 2018-07-13 CN CN201821115799.9U patent/CN208795604U/en active Active
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