CN204038960U - A kind of hydraulic jack of automatic display collapsing length - Google Patents
A kind of hydraulic jack of automatic display collapsing length Download PDFInfo
- Publication number
- CN204038960U CN204038960U CN201420482769.7U CN201420482769U CN204038960U CN 204038960 U CN204038960 U CN 204038960U CN 201420482769 U CN201420482769 U CN 201420482769U CN 204038960 U CN204038960 U CN 204038960U
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- China
- Prior art keywords
- hydraulic jack
- laser
- digital display
- apomecometer
- collapsing length
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Abstract
The utility model provides a kind of hydraulic jack of automatic display collapsing length, belongs to technical field of bridge engineering.The utility model comprises hydraulic jack cylinder body, piston rod of hydraulic jack, also comprises digital display laser distance measuring equipment (DME), and described digital display laser distance measuring equipment (DME) comprises digital display laser apomecometer and laser reflection target; Digital display laser apomecometer is fixedly connected on described hydraulic jack outer wall of cylinder block, and described laser reflection target is connected to the end face of described piston rod of hydraulic jack.By being provided with digital display laser apomecometer on hydraulic jack cylinder body, piston rod end face is provided with laser reflection target, carry out simple computation according to the data of digital display laser apomecometer display during measurement, can actual elongation value be calculated, convenient, fast, to decrease manpower consumption.
Description
Technical field
The utility model belongs to technical field of bridge engineering, particularly relates to a kind of hydraulic jack of automatic display collapsing length.
Background technology
" highway bridge and culvert construction technique normalizing " (JTG/T F50-2011) regulation " when prestressing tendon adopts stress control method stretch-draw; should check with stretch value; the difference of actual elongation value and theoretic elongation should meet designing requirement; when designing no standard; the difference of actual elongation value and theoretic elongation should control within 6%; otherwise should suspend stretch-draw, after ascertaining the reason and take measures to be adjusted, can continue stretch-draw." therefore, will take multiple measurements its collapsing length in deformed bar stretching process, at present mainly adopt manually by the method that steel ruler is measured, the method for manual measurement can cause that survey precision is poor, effect is low, be affected by human factors the shortcoming such as greatly.
Utility model content
In view of this, the utility model aims to provide a kind of hydraulic jack of automatic display collapsing length, by the direct reading of digital display laser distance measuring equipment (DME) during measurement stretch value, to solve because the amount estimation of artificial side is inaccurate, use the low precision that steel ruler angle has deviation etc. situation to bring, the problem that effect is low.
The utility model discloses a kind of hydraulic jack of automatic display collapsing length, comprise hydraulic jack cylinder body, piston rod of hydraulic jack, also comprise digital display laser distance measuring equipment (DME), described digital display laser distance measuring equipment (DME) comprises digital display laser apomecometer and laser reflection target;
Digital display laser apomecometer is fixedly connected on described hydraulic jack outer wall of cylinder block, and described laser reflection target is connected to the end face of described piston rod of hydraulic jack.
Hydraulic jack cylinder body is provided with digital display laser apomecometer, piston rod end face is provided with laser reflection target, carry out simple computation according to the data of digital display laser apomecometer display during measurement, can actual elongation value be calculated, convenient, fast, to decrease manpower consumption.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is piston rod of hydraulic jack (hollow piston rod) structural representation of the utility model embodiment;
Fig. 3 is the A-A transverse sectional view of Fig. 2;
Fig. 4 is the structural representation of the digital display laser apomecometer modes of emplacement of the utility model embodiment.
In figure, 1 is laser reflection target; 2 is digital display laser apomecometer; 3 is hydraulic jack cylinder body; 4 is piston rod of hydraulic jack; 5 is scale graduation; 6 is the first screw; 7 is the second screw; 8 is groove; 9 is slide unit.
Detailed description of the invention
The following description and drawings illustrate specific embodiments of the present utility model fully, to enable those skilled in the art to put into practice them.
Below with reference to the accompanying drawings and in conjunction with the preferred embodiments, the utility model is described in detail.
As shown in Figure 1, a kind of hydraulic jack of automatic display collapsing length, comprises hydraulic jack cylinder body 3, piston rod of hydraulic jack 4, also comprises digital display laser distance measuring equipment (DME), and described digital display laser distance measuring equipment (DME) comprises digital display laser apomecometer 2 and laser reflection target 1;
Digital display laser apomecometer 2 is fixedly connected on described hydraulic jack cylinder body 3 outer wall, and described laser reflection target 1 is connected to the end face of described piston rod of hydraulic jack 4.
Wherein, described piston rod of hydraulic jack 4 can be hollow piston rod or solid piston bar, and Fig. 2 is for hollow piston rod.
In some illustrative embodiment, as shown in Figures 2 and 3, the end face of described piston rod of hydraulic jack 4 end is provided with the dovetail furrow connecting laser reflection target.There is scale to indicate in described dovetail furrow, be used to indicate the height of laser reflection target.
In some illustrative embodiment, described piston rod of hydraulic jack 4 end is provided with laser reflection target 1, and the target surface of described laser reflection target 1 is relative with the laser transmitter positions of described digital display laser apomecometer 2 Emission Lasers;
As shown in Figure 3, described laser reflection target 1 has the trapezoidal slide block of strip, closes be connected with the matching form of described dovetail furrow.
Wherein, Fig. 3 is the cutaway view of Fig. 2 A-A, and the laser reflection target 1 with the trapezoidal slide block of strip can slide in dovetail furrow.
In some illustrative embodiment, as shown in Figure 3, described trapezoidal slide block offers the first screw run through, and is fixed the trapezoidal slide block of the described laser reflection target 1 in described dovetail furrow by the first screw 6 be connected with described first screw.
Wherein, when reality uses, laser reflection target 1 needs to regulate height, rotate the first screw 6, trapezoidal for laser reflection target 1 slide block is unscrewed, move up and down the height to needing, then rotate the first screw 6, make laser reflection target 1 and dovetail furrow close contact, can not slide up and down, thus play the effect of fixed laser reflecting target 1 position.
In some illustrative embodiment, as shown in Figure 1, the plane of described laser reflection target 1 is vertical with the laser beam that digital display laser apomecometer 2 is launched.
In some illustrative embodiment, as shown in Figure 4, described hydraulic jack cylinder body 3 outside face has groove 8, on the sidewall in groove 8, has the chute play the guiding role of fixing described digital display laser apomecometer 2.
In some illustrative embodiment, as shown in Figure 4, the side of described digital display laser apomecometer 2 is provided with the slide unit 9 of the described chute of a cooperation, is connected with described slide.
In some illustrative embodiment, as shown in Figure 4, described digital display laser apomecometer vertical direction has the second screw, is connected with described second screw by the second screw 7 vertically connected bottom groove 8; Described digital display laser apomecometer 2 is rotarily driven along described chute lifting/lowering by described second screw.
Wherein, the second screw 7 and the bottom of described groove 8 are that axle is connected, in gap fiting mode.In use, second screw rotates, the second screw be connected with the second screw 7 drives digital display laser apomecometer to move up and down, the slide unit 9 and the groove 8 that are arranged in groove 8 match, play location, directional tagging, when making the second screw turns, digital display laser apomecometer 2 keeps vertical direction to move, and does not depart from former design attitude.
Digital display laser apomecometer 2 and laser reflection target 1 are provided with height-adjustable device, can regulate height in actual use, increase Applicable scope according to requirement of engineering.
In some illustrative embodiment, as shown in Figure 1, also comprise scale graduation 5, described piston rod of hydraulic jack 4 is provided with described scale graduation 5 vertically.
In some illustrative embodiment, described scale graduation is carved on described piston rod of hydraulic jack.
Jack of the present utility model, the scale that the scale shown by laser rangefinder and scale graduation are indicated, two scales all can determine the stroke of the piston rod of jack, can redundancy or mutually verify each other.Add the accuracy of scale, after a range finding is made a fault, can by the stroke of another redundant measurement jack piston rod.
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 amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. automatically show a hydraulic jack for collapsing length, comprise hydraulic jack cylinder body, piston rod of hydraulic jack, it is characterized in that: also comprise digital display laser distance measuring equipment (DME), described digital display laser distance measuring equipment (DME) comprises digital display laser apomecometer and laser reflection target;
Digital display laser apomecometer is fixedly connected on described hydraulic jack outer wall of cylinder block, and described laser reflection target is connected to the end face of described piston rod of hydraulic jack.
2. the hydraulic jack of automatic display collapsing length according to claim 1, is characterized in that: the end face of described piston rod of hydraulic jack end is provided with the dovetail furrow connecting laser reflection target.
3. the hydraulic jack of automatic display collapsing length according to claim 2, it is characterized in that: described piston rod of hydraulic jack end is provided with laser reflection target, the target surface of described laser reflection target is relative with the laser transmitter positions of described digital display laser apomecometer Emission Lasers;
Described laser reflection target has the trapezoidal slide block of strip, closes be connected with the matching form of described dovetail furrow.
4. the hydraulic jack of automatic display collapsing length according to claim 3, it is characterized in that: described trapezoidal slide block offers the first screw run through, fixed the trapezoidal slide block of the described laser reflection target in described dovetail furrow by the first screw be connected with described first screw.
5. the hydraulic jack of automatic display collapsing length according to claim 3, is characterized in that: the plane of described laser reflection target is vertical with the laser beam that digital display laser apomecometer is launched.
6. the hydraulic jack of automatic display collapsing length according to claim 1, is characterized in that: described hydraulic jack outer surface of cylinder block has groove, on the sidewall in groove, has the chute play the guiding role of fixing described digital display laser apomecometer.
7. the hydraulic jack of automatic display collapsing length according to claim 6, is characterized in that: the side of described digital display laser apomecometer is provided with the slide unit of the described chute of a cooperation, is connected with described slide.
8. the hydraulic jack of automatic display collapsing length according to claim 7, is characterized in that: described digital display laser apomecometer vertical direction has the second screw, and the second screw vertically connected by bottom portion of groove and described second screw are connected; Described digital display laser apomecometer is rotarily driven along described chute lifting/lowering by described second screw.
9. the hydraulic jack of automatic display collapsing length according to claim 1, is characterized in that: also comprise scale graduation, described piston rod of hydraulic jack is provided with described scale graduation vertically.
10. the hydraulic jack of automatic display collapsing length according to claim 9, is characterized in that: described scale graduation is carved on described piston rod of hydraulic jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420482769.7U CN204038960U (en) | 2014-08-25 | 2014-08-25 | A kind of hydraulic jack of automatic display collapsing length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420482769.7U CN204038960U (en) | 2014-08-25 | 2014-08-25 | A kind of hydraulic jack of automatic display collapsing length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204038960U true CN204038960U (en) | 2014-12-24 |
Family
ID=52239651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420482769.7U Expired - Fee Related CN204038960U (en) | 2014-08-25 | 2014-08-25 | A kind of hydraulic jack of automatic display collapsing length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204038960U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238226A (en) * | 2018-10-29 | 2019-01-18 | 佛山科学技术学院 | A kind of Sopwith staff |
| CN109353965A (en) * | 2018-11-05 | 2019-02-19 | 南京理工大学 | A kind of parallel hydraulic synchronization jacking system of more fulcrum intelligent planes |
| US10830655B2 (en) | 2018-01-19 | 2020-11-10 | E-Longation, Llc | Method and apparatus for performing field elongation measurements |
-
2014
- 2014-08-25 CN CN201420482769.7U patent/CN204038960U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10830655B2 (en) | 2018-01-19 | 2020-11-10 | E-Longation, Llc | Method and apparatus for performing field elongation measurements |
| CN109238226A (en) * | 2018-10-29 | 2019-01-18 | 佛山科学技术学院 | A kind of Sopwith staff |
| CN109353965A (en) * | 2018-11-05 | 2019-02-19 | 南京理工大学 | A kind of parallel hydraulic synchronization jacking system of more fulcrum intelligent planes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150825 |
|
| EXPY | Termination of patent right or utility model |