CN205384005U - Displacement measurement device of jack - Google Patents
Displacement measurement device of jack Download PDFInfo
- Publication number
- CN205384005U CN205384005U CN201620113392.7U CN201620113392U CN205384005U CN 205384005 U CN205384005 U CN 205384005U CN 201620113392 U CN201620113392 U CN 201620113392U CN 205384005 U CN205384005 U CN 205384005U
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- China
- Prior art keywords
- jack
- outer tube
- slide plate
- fixed
- displacement
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a displacement measurement device of jack, including fixing the outer tube on the jack outer shell, be fixed with displacement sensor in the outer tube, displacement sensor's a pull rod and a drawing head fixed connection, be fixed with interior slip pipe on the drawing head and draw the slide, the inside slip pipe box in the outer tube with outer tube sliding fit, pull the inner casing axial fixity that the slide passes through fastening nut and jack, pull and install the steel ball between the preceding of slide and the fastening nut. It protects displacement sensor through setting up parts such as mount pad, spring, interior slip pipe, through drawing the slide displacement sensor work of leading, overcomes the frictional force that the rotation of jack inner casing causes through the dual cooperation of spring and steel ball, and the data that finally make displacement sensor spread out of are more accurate.
Description
Technical field
This utility model relates to the equipment that a kind of bridge prestress engineering construction field uses, and is specifically related to the displacement measuring device of a kind of jack.
Background technology
The jack of displacement measured automatically by a lot of bands at present, and it relies primarily on displacement transducer to gather signal, but outer displacement sensor is easily damaged, and needs corresponding frock to be protected by.But mounting means that displacement transducer is in frock is particularly important, first jack cylinder body is at the volley, the malaignment of guiding displacement transducer motion；Secondly on-the-spot in work progress, inner casing and outer shell to produce relative rotation, and the pull bar causing displacement transducer is all subject to side force by these situations, affect the accuracy of outgoi8ng data；It is additionally useful for the front clip type jack of the situations such as hogging moment stretch-draw, but without the function automatically measuring displacement.Therefore the gearshift designing a accurate measurement jack is necessary.
Summary of the invention
The purpose of this utility model is in that for the deficiencies in the prior art; the displacement measuring device of a kind of jack is provided; it carrys out guard bit displacement sensor by arranging the parts such as mounting seat, spring, inner sliding pipe; by draw slide plate lead displacement transducer work; overcome jack inner casing to rotate the frictional force caused by the dual cooperation of spring and steel ball, finally make the data that displacement transducer spreads out of more accurate.
The purpose of this utility model is achieved in that the displacement measuring device of a kind of jack, including the outer tube being fixed on jack outer shell, described outer tube is fixed with displacement transducer, the pull bar of institute's displacement sensors and the fixing connection of a drawing head, described drawing head is fixed with inner sliding pipe and traction slide plate, described inner sliding pipe is enclosed within outer tube and outer tube is slidably matched, described traction slide plate, by the inner casing axial restraint of clamp nut with jack, is provided with steel ball before described traction slide plate and between clamp nut.
It is provided with compression spring after described traction slide plate and between outer tube.Compression spring housing is outside inner sliding pipe, and one end contacts with traction slide plate, and the other end contacts with outer tube, and an axial end of outer tube is provided with spring mounting groove, and compression spring makes traction slide plate and jack inner casing remain axially contact state in jack inner casing telescopic process.
The pull bar of institute's displacement sensors is connected with drawing head by joint coupling.
Described inner sliding pipe and drawing head are screwed connection, and described traction slide plate is clipped between inner sliding pipe and drawing head.
Described traction slide plate is clipped between the shoulder of clamp nut and jack inner casing, and described traction slide plate is provided with the mounting groove for installing steel ball.
The tail end of institute's displacement sensors is fixed in outer tube by chuck and trip bolt, described outer tube is fixed with nut and coordinates with trip bolt.
The holding wire of institute's displacement sensors is connected with holding wire plug, and described holding wire plug is fixed on end cap, and described end cap is fixing with outer tube to be connected.
Described outer tube is fixed in mounting seat, and described mounting seat is arranged on jack outer shell by anchor ear.
Owing to have employed such scheme, institute's displacement sensors is arranged in inner sliding pipe, and with drawing head, inner sliding pipe, traction slide plate composition integrally, the rear end of displacement transducer is fixing with outer tube composition integrally by chuck for the pull bar of displacement transducer；Inner sliding pipe is enclosed within outer tube, and outer tube is fixed in mounting seat, mounting seat is fixed on jack outer shell；The motion of jack inner casing drives traction slide plate, and jack motion just followed by pull bar, overcomes inner casing to rotate by spring and steel ball simultaneously.Displacement transducer is arranged in inner sliding pipe, and according to being slidably matched of inner sliding pipe external diameter and outer tube diameter, and joint coupling guarantees that the pull bar of sensor and jack inner casing do moved in coaxial；Make traction slide plate withstand clamp nut by compression spring simultaneously, in addition steel ball overcomes jack inner casing to rotate the error that the twisting resistance (slide plate rotates around sensor sliding axle and will produce to interfere to be formed to reverse) driving traction slide plate produces so that the lift of jack measured by displacement transducer and backhaul data is all accurate.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the A direction view of Fig. 1；
Fig. 3 is the B direction view of Fig. 1.
In accompanying drawing, 1 is screw, and 2 is holding wire plug, and 3 is end cap, 4 is chuck, and 5 is displacement transducer, and 6 is outer tube, and 7 is mounting seat, 8 is inner sliding pipe, and 9 is joint coupling, and 10 is compression spring, and 11 is drawing head, 12 is traction slide plate, and 13 is steel ball, and 14 is clamp nut, 15 is jack, and 151 is the shoulder of jack inner casing, and 16 is trip bolt, 17 is anchor ear screw, and 18 is mounting seat screw, and 19 is anchor ear.
Detailed description of the invention
For understanding utility model content of the present utility model further, below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.
Referring to Fig. 1 to Fig. 3, the displacement measuring device of a kind of jack, including displacement transducer 5, the tail end of institute's displacement sensors is fixed in outer tube.The tail end of institute's displacement sensors 5 is fixed in outer tube by chuck 4 and trip bolt 16, described outer tube is fixed with nut and coordinates with trip bolt.The holding wire of institute's displacement sensors is connected with holding wire plug 2, and described holding wire plug 2 is fixed on end cap 3, and described end cap 3 is fixed on outer tube 6 tail end.End cap 3 is fixed on outer tube by screw 1.Outer tube 6 is fixed on mounting seat 7 by mounting seat screw 18, and mounting seat 7 is fixed on anchor ear 19 by anchor ear screw 17, and whole frock is arranged on jack 15 by anchor ear 19.The pull bar of institute's displacement sensors 5 and a fixing connection of drawing head 11.Institute's displacement sensors 5 is arranged in inner sliding pipe 7, and the pull bar of displacement transducer 5 connects drawing head 11 by joint coupling 9.Described drawing head 11 is fixed with inner sliding pipe 7 and traction slide plate 12.Described inner sliding pipe and drawing head are screwed connection, and described traction slide plate is clipped between inner sliding pipe and drawing head.Described inner sliding pipe is enclosed within outer tube and outer tube is slidably matched, and described traction slide plate is by the inner casing axial restraint of clamp nut 14 with jack.Described traction slide plate is clipped between the shoulder of clamp nut and jack inner casing, and described traction slide plate is provided with the mounting groove for installing steel ball.Before described traction slide plate and between clamp nut, steel ball 13 is installed.Compression spring 10 it is provided with after described traction slide plate and between outer tube.
Operation principle of the present utility model is: displacement transducer is arranged in inner sliding pipe, and the pull bar of displacement transducer is by drawing head, traction slide plate and inner sliding pipe composition one, and the tail end of sensor consists of one by chuck and outer tube.In work process, the motion of jack inner casing drives traction slide plate, traction slide plate drives the pull bar of displacement transducer by drawing head, and according to being slidably matched of slip pipe external diameter and outer tube diameter, and joint coupling guarantees that the pull bar of sensor and jack inner casing do moved in coaxial；Making traction slide plate withstand clamp nut by spring, in addition steel ball overcomes jack inner casing to rotate the error driving the twisting resistance of traction slide plate to produce simultaneously so that the lift of jack measured by displacement transducer and backhaul data is all accurate.
This utility model is not limited solely to above-described embodiment, carries out the technical scheme of few modifications, should fall into protection domain of the present utility model when without departing substantially from technical solutions of the utility model spirit.
Claims (8)
1. the displacement measuring device of a jack, it is characterized in that: include the outer tube being fixed on jack outer shell, described outer tube is fixed with displacement transducer, the pull bar of institute's displacement sensors and the fixing connection of a drawing head, described drawing head is fixed with inner sliding pipe and traction slide plate, described inner sliding pipe is enclosed within outer tube and outer tube is slidably matched, and described traction slide plate, by the inner casing axial restraint of clamp nut with jack, is provided with steel ball before described traction slide plate and between clamp nut.
2. the displacement measuring device of jack according to claim 1, it is characterised in that: it is provided with compression spring after described traction slide plate and between outer tube.
3. the displacement measuring device of jack according to claim 1, it is characterised in that: the pull bar of institute's displacement sensors is connected with drawing head by joint coupling.
4. the displacement measuring device of jack according to claim 1, it is characterised in that: described inner sliding pipe and drawing head are screwed connection, and described traction slide plate is clipped between inner sliding pipe and drawing head.
5. the displacement measuring device of jack according to claim 1, it is characterised in that: described traction slide plate is clipped between the shoulder of clamp nut and jack inner casing, and described traction slide plate is provided with the mounting groove for installing steel ball.
6. the displacement measuring device of jack according to claim 1, it is characterised in that: the tail end of institute's displacement sensors is fixed in outer tube by chuck and trip bolt, described outer tube is fixed with nut and coordinates with trip bolt.
7. the displacement measuring device of jack according to claim 1, it is characterised in that: the holding wire of institute's displacement sensors is connected with holding wire plug, and described holding wire plug is fixed on end cap, and described end cap is fixing with outer tube to be connected.
8. the displacement measuring device of jack according to claim 1, it is characterised in that: described outer tube is fixed in mounting seat, and described mounting seat is arranged on jack outer shell by anchor ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113392.7U CN205384005U (en) | 2016-02-04 | 2016-02-04 | Displacement measurement device of jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113392.7U CN205384005U (en) | 2016-02-04 | 2016-02-04 | Displacement measurement device of jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205384005U true CN205384005U (en) | 2016-07-13 |
Family
ID=56349348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620113392.7U Active CN205384005U (en) | 2016-02-04 | 2016-02-04 | Displacement measurement device of jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205384005U (en) |
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2016
- 2016-02-04 CN CN201620113392.7U patent/CN205384005U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |