CN214622077U - Hydraulic stretcher testing device - Google Patents
Hydraulic stretcher testing device Download PDFInfo
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- CN214622077U CN214622077U CN202023308328.XU CN202023308328U CN214622077U CN 214622077 U CN214622077 U CN 214622077U CN 202023308328 U CN202023308328 U CN 202023308328U CN 214622077 U CN214622077 U CN 214622077U
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- 238000012360 testing method Methods 0.000 title claims abstract description 78
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic stretcher testing device, which comprises a base, wherein the upper surface of the base is provided with a cylindrical groove, a threaded rod is rotatably connected between the left inner surface and the right inner surface of the cavity, two threaded rods are in threaded connection with nuts, the nuts are in sliding connection with the inner side wall of the cavity, one side of the outer surface of the two threaded rods, which is close to the inner side, is sleeved with a push pipe, the opposite ends of the two push pipes are penetrated through an arc-shaped clamping plate fixedly connected with the base, a testing screw rod is arranged inside the cylindrical groove, the upper side of the testing screw rod is in threaded connection with a hydraulic stretcher, a pressure sensor is embedded in the upper surface of the base, a hydraulic pump and a touch display are arranged on the outer surface of the base, the testing device can be conveniently used for testing experiments of hydraulic stretchers with different specifications, and the application range of the testing device is wider, the test can be conveniently carried out, and the recording of the test data by the working personnel is also convenient.
Description
Technical Field
The utility model relates to a stretcher test technical field, concrete field is a hydraulic pressure stretcher testing arrangement.
Background
A hydraulic bolt tensioner is a device having a bolt fastening and detaching function. The hydraulic tensioner testing device has the advantages that by means of the hydraulic power provided by the ultra-high pressure pump, the bolts are stretched in the elastic deformation area by utilizing the elastic amplitude allowed by materials, the purpose of fastening or disassembling the bolts is achieved, the hydraulic tensioner testing device is widely applied to the assembling and equipment maintenance processes of large and medium-sized mechanical products, and the working efficiency of construction is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic stretcher testing arrangement to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic stretcher testing device comprises a base, wherein a cylindrical groove is formed in the upper surface of the base, cavities are formed in the inner portion of the side wall of the base and correspond to the left side and the right side of the cylindrical groove, threaded rods are rotatably connected between the left inner surface and the right inner surface of each cavity, one ends of the two threaded rods, far away from the cylindrical groove, penetrate through the base and are fixedly connected with knobs, nuts are connected to the two threaded rods in a threaded manner, the nuts are slidably connected with the inner side wall of the cavities, push pipes are sleeved on the outer surfaces of the two threaded rods, the opposite surfaces of the two push pipes are fixedly connected with the nuts on the corresponding sides, the opposite ends of the two push pipes penetrate through the base and are fixedly connected with arc-shaped clamping plates, a testing screw is arranged in the cylindrical groove, and the two arc-shaped clamping plates are in close contact with the outer surface of the testing screw, the upside threaded connection of test screw has hydraulic pressure elongator, hydraulic pressure elongator's lower surface with the upper surface in close contact with of base, pressure sensors has been inlayed to the upper surface of base, be equipped with hydraulic pump and touch-control display on the surface of base, the hydraulic pressure end of hydraulic pump with hydraulic pressure mouth of hydraulic pressure elongator passes through the pipe through connection.
Preferably, the left side and the right side of the lower part of the inner surface of the cylindrical groove are both provided with grooves, one ends of springs are fixedly connected to the inner surfaces of the two grooves which face each other, arc-shaped pre-tightening plates are fixedly connected to the other ends of the two springs, and the two arc-shaped pre-tightening plates are in close contact with the outer surface of the testing screw rod.
Preferably, a gasket is arranged between the upper surface of the base and the lower surface of the hydraulic stretcher.
Preferably, the surfaces of the two arc-shaped clamping plates opposite to each other are provided with anti-slip pads.
Preferably, a transparent protective cover is arranged on the right side of the upper surface of the base, and the touch display and the transparent protective cover are arranged on the same side.
Preferably, the transparent protective cover is arranged in an arc shape.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a hydraulic stretcher testing arrangement, make the threaded rod rotate through rotatory knob, nut on the threaded rod receives the cavity spacing, it can promote the ejector sleeve to make the nut, arc splint on the ejector sleeve press from both sides the test screw tightly, can make things convenient for the test screw of the fixed various specifications of this testing arrangement, carry out the test experiment of different specification hydraulic stretchers, make this testing arrangement's application scope wider, pressurize hydraulic stretcher through the hydraulic pump, hydraulic stretcher's tensile end produces the pulling force to the test screw, because reaction force and the non-tensile end will be to the pressure sensors production pressure on the base, pressure sensors and hydraulic pump's pressure signal and oil pressure signal all can show on touch-control display screen, can make things convenient for going on of test, make things convenient for the staff to the record of test data again.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a front view of the internal structure of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a top view of the base according to the present invention.
In the figure: the test device comprises a base 1, a cylindrical groove 2, a cavity 3, a threaded rod 4, a knob 5, a nut 6, a push tube 7, an arc-shaped clamp plate 8, a test screw 9, a hydraulic stretcher 10, a pressure sensor 11, a hydraulic pump 12, a touch display 13, a groove 14, a spring 15, an arc-shaped pre-tightening plate 16, a gasket 17, an anti-skid pad 18 and a transparent protective cover 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution of a hydraulic tensioner testing device: a hydraulic stretcher testing device comprises a base 1, wherein a cylindrical groove 2 is arranged on the upper surface of the base 1, cavities 3 are respectively arranged in the inner portion of the side wall of the base 1 corresponding to the left side and the right side of the cylindrical groove 2, threaded rods 4 are rotatably connected between the left inner surface and the right inner surface of each cavity 3, one ends of the two threaded rods 4 far away from the cylindrical groove 2 penetrate through a knob 5 fixedly connected with the base 1, nuts 6 are respectively connected on the two threaded rods 4 in a threaded manner, the nuts 6 are slidably connected with the inner side wall of the cavities 3, push pipes 7 are respectively sleeved on the outer surfaces of the two threaded rods 4 at the sides close to each other, the opposite surfaces of the two push pipes 7 are respectively fixedly connected with the nuts 6 at the corresponding sides, the opposite ends of the two push pipes 7 penetrate through an arc-shaped clamping plate 8 fixedly connected with the base 1, a testing screw rod 9 is arranged in the cylindrical groove 2, two arc splint 8 all with the surface in close contact with of test screw 9, test screw 9 arranges the knob 5 of the back rotation both sides in cylindricality fluting 2 in, makes threaded rod 4 rotate, and nut 6 on the threaded rod 4 receives 3 spacing abilities promotion ejector sleeve 7 of cavity, and arc splint 8 on the ejector sleeve 7 can press from both sides tight fixedly to test screw 9, just so can make the test screw 9 of the fixed different specifications of change in this testing arrangement, and then makes this testing arrangement experiment to the hydraulic stretcher 10 of different specifications, makes this testing arrangement's application scope wider.
The upper side of the test screw 9 is in threaded connection with a hydraulic stretcher 10, the lower surface of the hydraulic stretcher 10 is in close contact with the upper surface of the base 1, the upper surface of the base 1 is embedded with a pressure sensor 11, the outer surface of the base 1 is provided with a hydraulic pump 12 and a touch display 13, the hydraulic end of the hydraulic pump 12 is in through connection with the hydraulic port of the hydraulic stretcher 10 through a conduit, the hydraulic pump 12 and the pressure sensor 11 are both in electrical signal connection with the touch display 13, the hydraulic pump 12 pressurizes, the stretching port of the hydraulic stretcher 10 generates upward pulling force to the test screw 9, as the left and right of the force are mutual, the non-stretching end of the hydraulic stretcher 10 generates downward pushing force, the pressure sensor 11 on the base 1 senses the pressure, the pulling force of the hydraulic stretcher is measured, and the operation of the experiment is very convenient, hydraulic pump 12 and pressure sensor 11 all can show on all transmitting oil pressure signal and pressure signal for touch-control display 13, make things convenient for the experimenter to carry out the record to the experimental data.
Specifically, the left side and the right side of the lower portion of the inner surface of the cylindrical slot 2 are both provided with grooves 14, two grooves 14 are formed in the facing inner surfaces of the grooves 14 and are respectively and fixedly connected with one end of a spring 15, the other end of the spring 15 is respectively and fixedly connected with an arc pre-tightening plate 16, the arc pre-tightening plates 16 are respectively in close contact with the outer surface of the test screw 9, when the test screw 9 is placed into the cylindrical slot 2, the test screw can be clamped between the two arc pre-tightening plates 16 for pre-tightening, the placement position of the test screw 9 can be located in the middle of the cylindrical slot 2, and the test screw 9 is prevented from being placed in the middle and affecting the fastening effect of the test screw 9.
Specifically, a gasket 17 is arranged between the upper surface of the base 1 and the lower surface of the hydraulic stretcher 10, and the gasket 17 can protect the lower surface of the hydraulic stretcher 10 and the upper surface of the base 1 and reduce the abrasion of the testing device.
Specifically, two all be equipped with slipmat 18 on the relative surface of arc splint 8, increase the frictional force between arc splint 8 and the test screw 9, make the fixed more steady of test screw 9.
Particularly, base 1's upper surface right side is equipped with transparent safety cover 19, just touch-control display 13 with transparent safety cover 19 establishes in same one side, and transparent safety cover 19 keeps apart experimenter and this testing arrangement's operation portion, improves the security of experiment.
Particularly, transparent safety cover 19 is the arc setting, and the increase protection scope makes transparent safety cover 19's protection effect better.
The working principle is as follows: when the testing device is used for testing, the testing screw 9 for testing is firstly arranged in the cylindrical open groove 2 of the base 1, the arc pre-tightening plate 16 connected through the spring 15 is arranged at the lower side in the cylindrical open groove 2, the testing screw 9 can be clamped at the center of the cylindrical open groove 2 in advance, the position deviation of the testing screw 9 when the testing screw is placed or fastened is avoided, the threaded rod 4 is rotated by rotating the knobs 5 at two sides, the push pipe 7 is driven by the nut 6 limited by the cavity 3 on the threaded rod 4 to slide, so that the arc clamping plate 8 on the push pipe 7 clamps and fixes the testing screw 9, the fixing mode can facilitate experimenters to replace the testing screws 9 with different specifications, further, the hydraulic stretchers 10 with different specifications can be conveniently tested for tension, the application range of the testing device is wider, and the hydraulic stretchers 10 are connected with the testing screws 9 after the testing screws are fixed, and make hydraulic pressure mouth and the hydraulic pressure end through connection of hydraulic pump 12 of hydraulic pressure elongator 10, when hydraulic pump 12 pressurizes hydraulic pressure elongator 10, the tensile end pair of hydraulic pressure elongator 10 produces ascending pulling force to test screw 9, and then make the non-tensile end of hydraulic pressure elongator 10 receive opposite thrust, and then to the pressure sensors 11 on the base 1 production pressure, hydraulic pump 12 and pressure sensors 11 all can give oil pressure signal and show on touch-control display 13 for all transmitting, make things convenient for the experimenter to take notes experimental data, it is very convenient, and there is transparent safety cover 19 to keep apart this testing arrangement's experimental part and staff, be favorable to improving this testing arrangement's security.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A hydraulic tensioner testing device, includes base (1), its characterized in that: the upper surface of the base (1) is provided with a cylindrical groove (2), the inner part of the side wall of the base (1) corresponding to the left side and the right side of the cylindrical groove (2) is provided with a cavity (3), a threaded rod (4) is rotatably connected between the left inner surface and the right inner surface of the cavity (3), one end of each threaded rod (4) far away from the cylindrical groove (2) penetrates through the base (1) and is fixedly connected with a knob (5), the two threaded rods (4) are both in threaded connection with nuts (6), the nuts (6) are in sliding connection with the inner side wall of the cavity (3), one side of the outer surfaces of the two threaded rods (4) close to each other is sleeved with a push pipe (7), the surfaces of the two push pipes (7) opposite to each other are both fixedly connected with the nuts (6) on the corresponding side, and the opposite end of the two push pipes (7) penetrates through the base (1) and is fixedly connected with an arc-shaped clamping plate (8), the inside of cylindricality fluting (2) is equipped with test screw rod (9), two arc splint (8) all with the surface in close contact with of test screw rod (9), the upside threaded connection of test screw rod (9) has hydraulic pressure elongator (10), the lower surface of hydraulic pressure elongator (10) with the upper surface in close contact with of base (1), pressure sensors (11) have been inlayed to the upper surface of base (1), be equipped with hydraulic pump (12) and touch-control display (13) on the surface of base (1), the hydraulic pressure end of hydraulic pump (12) with the hydraulic pressure mouth of hydraulic pressure elongator (10) passes through pipe through connection.
2. A hydraulic tensioner testing device as claimed in claim 1, wherein: the left side and the right side of the lower portion of the inner surface of the cylindrical groove (2) are respectively provided with a groove (14), one end of each spring (15) is fixedly connected to the inner surface of each groove (14) in the facing direction, the other end of each spring (15) is fixedly connected with an arc pre-tightening plate (16), and the two arc pre-tightening plates (16) are in close contact with the outer surface of the test screw (9).
3. A hydraulic tensioner testing device as claimed in claim 1, wherein: and a gasket (17) is arranged between the upper surface of the base (1) and the lower surface of the hydraulic stretcher (10).
4. A hydraulic tensioner testing device as claimed in claim 1, wherein: anti-skid pads (18) are arranged on the opposite surfaces of the two arc-shaped clamping plates (8).
5. A hydraulic tensioner testing device as claimed in claim 1, wherein: the upper surface right side of base (1) is equipped with transparent safety cover (19), just touch-control display (13) with transparent safety cover (19) are established in same one side.
6. A hydraulic tensioner testing device as claimed in claim 5, wherein: the transparent protective cover (19) is arranged in an arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308328.XU CN214622077U (en) | 2020-12-30 | 2020-12-30 | Hydraulic stretcher testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308328.XU CN214622077U (en) | 2020-12-30 | 2020-12-30 | Hydraulic stretcher testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214622077U true CN214622077U (en) | 2021-11-05 |
Family
ID=78434414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023308328.XU Expired - Fee Related CN214622077U (en) | 2020-12-30 | 2020-12-30 | Hydraulic stretcher testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214622077U (en) |
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2020
- 2020-12-30 CN CN202023308328.XU patent/CN214622077U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211105 |