CN207096057U - A kind of workpiece fixed structure of concrete impervious instrument - Google Patents
A kind of workpiece fixed structure of concrete impervious instrument Download PDFInfo
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- CN207096057U CN207096057U CN201721148317.5U CN201721148317U CN207096057U CN 207096057 U CN207096057 U CN 207096057U CN 201721148317 U CN201721148317 U CN 201721148317U CN 207096057 U CN207096057 U CN 207096057U
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- hydraulic
- hydraulic tube
- push rod
- tube
- workpiece
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Abstract
The utility model discloses a kind of workpiece fixed structure of concrete impervious instrument, and solve concrete impervious instrument of the prior art needs that multiple workpiece are fixed respectively before work, causes the technical problem that testing efficiency is low；Its drip irrigation device is：Support is provided with hydraulic package, hydraulic package includes the first hydraulic tube, hydraulic valve and the second hydraulic tube being fixedly connected sequentially, the first push rod is provided with first hydraulic tube, one end of first push rod is connected with the first piston being slidably arranged in the first hydraulic tube, the other end stretches out in the first hydraulic tube, the second push rod is provided with second hydraulic tube, one end of second push rod is connected with the second piston being slidably arranged in the second hydraulic tube, and the other end stretches out in the second hydraulic tube and provided with the pressing plate for workpiece pressing；The workpiece on test bench is compressed by way of hydraulic-driven pressing plate, it is simple in construction, easy to operate, reach the beneficial effect of the concrete impervious instrument testing efficiency of raising.
Description
Technical field
Concrete NDT equipment technical field is the utility model is related to, more specifically, it relates to a kind of concrete impervious
The workpiece fixed structure of instrument.
Background technology
The anti-permeability performance of concrete is the important indicator for evaluating concrete quality quality and durability, and it refers to concrete
Structures can resist the performance that water or other liquid (such as light oil, heavy oil) medium permeate under pressure, be each engineering quality supervision
The required Inspection Index of stand control concrete quality.
The impermeability of concrete is tested using concrete impervious instrument in the prior art, testing crew needs multiple to one group
Concrete work is fixed on testboard, more accurate to obtain by testing the impermeability of multiple concrete works
Reliable test data.Because the comparison that the testboard of concrete impervious tester leans on is close, when screwing or dismantling, institute
It is very limited using the space of instrument, cause to install, dismantle inconvenience；And each workpiece is required for entering by multiple bolts
Row is fixed, and is so stacked up, and one group of multiple concrete work just needs to install or remove very more bolts, and expense is compared in operation
Time so that testing efficiency is low.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of workpiece of concrete impervious instrument
Fixed structure, the workpiece on test bench is compressed by way of hydraulic-driven pressing plate, it is simple in construction, easy to operate, have
The advantages of improving concrete impervious instrument testing efficiency.
To achieve the above object, the utility model provides following technical scheme：A kind of workpiece of concrete impervious instrument is consolidated
Determine structure, including support and multiple test benches on support, the support are provided with hydraulic package, the hydraulic package
Including the first hydraulic tube, hydraulic valve and the second hydraulic tube being fixedly connected sequentially, pushed away in first hydraulic tube provided with first
Bar, one end of first push rod are connected with the first piston being slidably arranged in the first hydraulic tube, and the other end stretches out in first
Hydraulic tube, second hydraulic tube is interior to be provided with the second push rod, and one end of second push rod, which is connected with, is slidably arranged in the second liquid
Second piston in pressure pipe, the other end stretch out in the second hydraulic tube and provided with the pressing plates for workpiece pressing.
Using above-mentioned technical proposal, the multiple workpiece being placed on test bench, nothing are compressed using hydraulic drive driving pressing plate
Need individually to be fixed each workpiece, it is simple and quick, improve the testing efficiency of concrete impervious instrument.
The utility model is further set, and the hydraulic valve is provided with the cavity of both ends open, and the cavity is shaped as cylinder
The bodily form and the diameter at middle part are more than the diameter at both ends, and the cavity forms First terrace and second step face with hydraulic valve,
The First terrace is closer to the first hydraulic tube, and the second step face is closer to the second hydraulic tube, the second step face
Hydraulic spring grease cup is provided with, the other end of the hydraulic spring grease cup is fixedly connected with hydraulic valve core, and the hydraulic valve core is away from hydraulic pressure bullet
The end of spring abuts cooperation with First terrace.
Using above-mentioned technical proposal, hydraulic valve is not only simple in structure, and can only realize one-way conduction, i.e. the first hydraulic tube
Interior hydraulic oil can be flowed in the second hydraulic tube by hydraulic valve, and the hydraulic oil in the second hydraulic tube can not pass through hydraulic valve
Flow to the first hydraulic tube.Therefore, after lifting structure driving pressing plate workpiece pressing, workpiece is fixed, and is not likely to produce loosening, it is ensured that
Concrete impervious instrument is accurately detected to the impermeability of workpiece.
The utility model is further set, and oil return is offered on the tube wall of first hydraulic tube and the second hydraulic tube
Mouthful, oil return pipe is connected between two oil return openings, the oil return pipe is threaded with for blocking and turning on oil return pipe
Release bolt.
Using above-mentioned technical proposal, twist-on enters release bolt and the oil circuit blocked in oil return pipe before pressing plate workpiece pressing,
Workpiece is set to be pressed on by pressing plate on test bench.Unscrewing release bolt turns on the oil circuit in oil return pipe, and then makes the first hydraulic tube
And the second oil circuit between hydraulic tube is connected, the hydraulic oil in the second hydraulic tube just can be made to flow into the first hydraulic pressure by oil return pipe
In pipe, the release of oil circuit is realized, so that second piston and pressing plate energy free movement, workpiece are removed from test bench, release
Simple in construction and stress-relief process is easy to operate.
The utility model is further set, and first push rod forms screw-driven with the first hydraulic tube and is connected.
Using above-mentioned technical proposal, connected by the screw-driven between the first push rod and the first hydraulic tube, make the first work
Plug close to hydraulic valve direction to moving or being moved away from hydraulic valve direction in the first hydraulic tube, and the first push rod is around its every turn of axis
Dynamic one week, first piston only slided the distance of a pitch in the first hydraulic tube, compared to pushing or pull on the first push rod, on
It is more convenient and laborsaving to state mode of operation.
The utility model is further set, and the end that first push rod stretches out in the first hydraulic tube is provided with bull stick.
Using above-mentioned technical proposal, make the first push rod rotatable around its axis by way of rotating bull stick, operate more
Add convenient and strength-saving.
The utility model is further set, and the end face that first push rod stretches out in the first hydraulic tube is provided with groove, described
The middle part of bull stick is provided with projection, and the projection is engaged by clamping with groove.
Using above-mentioned technical proposal, bull stick is removably mounted on the first push rod by the clamping engagement of projection and groove and stretched
For the end of the first hydraulic tube, bull stick can be pulled down when picking and placeing workpiece on test bench, avoids staff from encountering bull stick by mistake,
Cause the first push rod to rotate and make pressing plate cause to pick and place workpiece inconvenience towards test bench motion.
The utility model is further set, and reinforcement is provided between the pressing plate and the second push rod.
Using above-mentioned technical proposal, by setting reinforcement to increase the rigidity of pressing plate between pressing plate and the second push rod, make
Pressing plate is more evenly distributed on pressing plate by the thrust of the second push rod, and then avoids pressing plate because by excessive concentrated stress
And larger deformation is produced, so as to cause the unbalance stress between multiple workpiece, influence detection of the concrete impervious instrument to workpiece.
The utility model is further set, and the pressing plate is provided with rubber blanket towards the surface of test bench.
Using above-mentioned technical proposal, the rubber blanket that pressing plate is set towards the surface of test bench can be in pressing plate workpiece pressing
Produce elastic deformation, on the one hand pressing plate and workpiece played a protective role, on the other hand make pressing plate to the compression effect of workpiece more
It is good.
In summary, the mode of the utility model manually hydraulic-driven pressing plate compresses the workpiece on test bench, structure
It is simple and convenient to operate quick；And hydraulic valve can realize one-way conduction, make pressing plate can not be reverse only towards test bench motion
Motion, therefore pressing plate is fixed that effect is good, and workpiece is not susceptible to loosen on test bench to workpiece；In addition, utilize oil return
Pipe and release bolt realize the release of hydraulic circuit, pressing plate is realized free movement, and then workpiece is removed from test bench,
Release is simple in construction and easy to operate.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation of hydraulic package in the utility model embodiment.
Reference：1st, support；2nd, test bench；31st, pressing plate；32nd, reinforcement；33rd, rubber blanket；4th, hydraulic package；41st,
One hydraulic tube；42nd, hydraulic valve；421st, cavity；422nd, First terrace；423rd, second step face；424th, hydraulic spring grease cup；425th, liquid
Pressure valve core；43rd, the second hydraulic tube；44th, the first push rod；441st, first piston；442nd, groove；45th, bull stick；451st, projection；46th,
Two push rods；461st, second piston；47th, oil return opening；48th, oil return pipe；481st, release bolt；482nd, block.
Embodiment
The technical solution of the utility model is elaborated below in conjunction with the accompanying drawings.
A kind of workpiece fixed structure of concrete impervious instrument, as shown in figure 1, including support 1, being fixedly mounted on support 1
Four test benches 2 and the hydraulic package 4 that is fixedly mounted on support 1, hydraulic package 4 is positioned at the top of four test benches 2.
As depicted in figs. 1 and 2, hydraulic package 4 includes the first hydraulic tube 41, the hydraulic valve 42 and the being fixedly connected sequentially
Two hydraulic tubes 43, the first hydraulic tube 41, the hydraulic tube 43 of hydraulic valve 42 and second are arranged along same straight line from top to bottom.First hydraulic pressure
Pipe 41 is fixedly mounted on support 1, in the first hydraulic tube 41 activity be plugged with the first push rod 44, one end of the first push rod 44 is stretched
For the first hydraulic tube 41, the other end is fixedly connected with the first piston 441 being slidably arranged in the first hydraulic tube 41；First pushes away
The side of bar 44 is provided with external screw thread, and the medial surface for the end that the first hydraulic tube 41 and the grafting of the first push rod 44 coordinate is provided with interior spiral shell
Line, the first push rod 44 are threadedly connected in the first hydraulic tube 41 and form screw-driven with the first hydraulic tube 41；First push rod 44
The end for stretching out in the first hydraulic tube 41 is detachably provided with bull stick 45, and the first push rod 44 stretches out in the end face of the first hydraulic tube 41
Groove 442 is provided with, the middle part of bull stick 45 is welded with the projection 451 being engaged by clamping with groove 442.
Hydraulic valve 42 is provided with the cavity 421 of both ends open, and the diameter for being shaped as cylinder-shaped and middle part of cavity 421 is more than two
The diameter of end, cavity 421 form First terrace 422 and second step face 423 with hydraulic valve 42, and First terrace 422 is more
Close to the first hydraulic tube 41, second step face 423 is closer to the second hydraulic tube 43；Liquid is installed by welding with second step face 423
Pressing spring 424, the other end of hydraulic spring grease cup 424 are installed by welding with hydraulic valve core 425, and hydraulic valve core 425 is away from hydraulic spring grease cup 424
End abut cooperation with First terrace 422.
Second hydraulic tube 43 is fixedly mounted on support 1, in the second hydraulic tube 43 activity be plugged with the second push rod 46；The
One end of two push rods 46 is fixedly connected with the second piston 461 being slidably arranged in the second hydraulic tube 43, and the second push rod 46 stretches out
The pressing plate 31 for workpiece pressing is welded with the end of the second hydraulic tube 43；It is welded with and adds between the push rod 46 of pressing plate 31 and second
Strengthening tendons 32, the surface of pressing plate 31 towards test bench 2 are provided with rubber blanket 33.
Oil return opening 47 is provided with the tube wall of first hydraulic tube 41 and the second hydraulic tube 43, is connected between two oil return openings 47
There is oil return pipe 48, oil return pipe 48 is threaded with release bolt 481, and the grafting of release bolt 481 enters the end one of oil return pipe 48
Shaping is provided with the block 482 for blocking and turning on oil return pipe 48.
Workpiece fixation principle：Liquid is filled between first hydraulic tube 41, hydraulic valve 42, the second hydraulic tube 43 and oil return pipe 48
Force feed, before concrete impervious instrument work, prefabricated workpiece is positioned on test bench 2, release spiral shell is installed on oil return pipe 48
Bolt 481 simultaneously blocks oil return pipe 48 using block 482, and bull stick is installed in the end that the first hydraulic tube 41 is stretched out in the first push rod 44
45.Bull stick 45 is rotated, is connected by the screw-driven between the first push rod 44 and the first hydraulic tube 41, first piston 441 is downward
Motion, the oil pressure in the first hydraulic tube 41 is set to be more than the oil pressure in the second hydraulic tube 43, in the presence of hydraulic fluid pressure difference, liquid
The compression hydraulic spring 424 of pressure valve core 425 simultaneously moves to the direction of the second hydraulic tube 43, and the hydraulic oil in the first hydraulic tube 41 flows into the
In two hydraulic tubes 43, under the oil pressure effect of hydraulic oil, the second piston 461 in the second hydraulic tube 43 moves downward, and then makes
Obtain the second push rod 46 and pressing plate 31 moves downward workpiece pressing.
After the workpiece pressing of pressing plate 31, the bull stick 45 on the first push rod 44 can be pulled down；Because hydraulic valve core 425 is in liquid
Abutted under the active force of pressing spring 424 with second step face 423, blocked in the first hydraulic tube 41 and the second hydraulic tube 43 and circulated
Hydraulic oil, therefore pressing plate 31 can only move from top to bottom, and be unable to counter motion, and then realize being fixed for workpiece.
When needing to take out the workpiece compressed by pressing plate 31, unscrewing release bolt 481 turns on the oil circuit in oil return pipe 48,
And then the hydraulic oil in the first hydraulic tube 41 and the second hydraulic tube 43 is set to circulate；Rotate backward bull stick 45 make first piston 441 to
Upper motion, the oil pressure in the first hydraulic tube 41 is less than the oil pressure in the second hydraulic tube 43, in the presence of hydraulic fluid pressure difference, the
Hydraulic oil in two hydraulic tubes 43 is flowed in the first hydraulic tube 41 by oil return pipe 48, and then makes second piston 461 and pressing plate
31 motions upwards, so as to which workpiece is removed from test bench 2.
Above example is only that it is not to limitation of the present utility model, this area to explanation of the present utility model
Technical staff can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but only
All to be protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of workpiece fixed structure of concrete impervious instrument, including support (1) and multiple test benches on support (1)
(2), it is characterised in that：The support (1) is provided with hydraulic package (4), and the hydraulic package (4) includes what is be fixedly connected sequentially
First hydraulic tube (41), hydraulic valve (42) and the second hydraulic tube (43), first hydraulic tube (41) is interior to be provided with the first push rod
(44), one end of first push rod (44) is connected with the first piston (441) being slidably arranged in the first hydraulic tube (41), separately
One end stretches out in the first hydraulic tube (41), and the second push rod (46), second push rod are provided with second hydraulic tube (43)
(46) one end is connected with the second piston (461) being slidably arranged in the second hydraulic tube (43), and the other end stretches out in the second liquid
Pressure pipe (43) is simultaneously provided with the pressing plate (31) for workpiece pressing.
A kind of 2. workpiece fixed structure of concrete impervious instrument according to claim 1, it is characterised in that：The hydraulic valve
(42) be provided with both ends open cavity (421), the cavity (421) be shaped as cylinder-shaped and the diameter at middle part is more than both ends
Diameter, the cavity (421) and hydraulic valve (42) form First terrace (422) and second step face (423), described first
Step surface (422) is described closer to the second hydraulic tube (43) closer to the first hydraulic tube (41), the second step face (423)
Second step face (423) is provided with hydraulic spring grease cup (424), and the other end of the hydraulic spring grease cup (424) is fixedly connected with hydraulic valve
Core (425), end of the hydraulic valve core (425) away from hydraulic spring grease cup (424) abut cooperation with First terrace (422).
A kind of 3. workpiece fixed structure of concrete impervious instrument according to claim 2, it is characterised in that：First liquid
Oil return opening (47) is offered on the tube wall of pressure pipe (41) and the second hydraulic tube (43), is connected between two oil return openings (47)
There is oil return pipe (48), the oil return pipe (48) is threaded with the release bolt (481) for blocking and turning on oil return pipe (48).
A kind of 4. workpiece fixed structure of concrete impervious instrument according to claim 3, it is characterised in that：Described first pushes away
Bar (44) forms screw-driven with the first hydraulic tube (41) and is connected.
A kind of 5. workpiece fixed structure of concrete impervious instrument according to claim 4, it is characterised in that：Described first pushes away
The end that bar (44) stretches out in the first hydraulic tube (41) is provided with bull stick (45).
A kind of 6. workpiece fixed structure of concrete impervious instrument according to claim 5, it is characterised in that：Described first pushes away
The end face that bar (44) stretches out in the first hydraulic tube (41) is provided with groove (442), and the middle part of the bull stick (45) is provided with projection
(451), the projection (451) is engaged by clamping with groove (442).
A kind of 7. workpiece fixed structure of concrete impervious instrument according to claim 1, it is characterised in that：The pressing plate
(31) reinforcement (32) is provided between the second push rod (46).
A kind of 8. workpiece fixed structure of concrete impervious instrument according to claim 1, it is characterised in that：The pressing plate
(31) it is provided with rubber blanket (33) towards the surface of test bench (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148317.5U CN207096057U (en) | 2017-09-06 | 2017-09-06 | A kind of workpiece fixed structure of concrete impervious instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148317.5U CN207096057U (en) | 2017-09-06 | 2017-09-06 | A kind of workpiece fixed structure of concrete impervious instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207096057U true CN207096057U (en) | 2018-03-13 |
Family
ID=61539349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721148317.5U Expired - Fee Related CN207096057U (en) | 2017-09-06 | 2017-09-06 | A kind of workpiece fixed structure of concrete impervious instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207096057U (en) |
-
2017
- 2017-09-06 CN CN201721148317.5U patent/CN207096057U/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: 20180313 Termination date: 20190906 |