CN203879728U - Pressure stabilizing grouting pump for test of indoor grouting model - Google Patents
Pressure stabilizing grouting pump for test of indoor grouting model Download PDFInfo
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- CN203879728U CN203879728U CN201420151146.1U CN201420151146U CN203879728U CN 203879728 U CN203879728 U CN 203879728U CN 201420151146 U CN201420151146 U CN 201420151146U CN 203879728 U CN203879728 U CN 203879728U
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- pressure
- grouting
- grouting pump
- slip casting
- guide plate
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Abstract
The utility model discloses a pressure stabilizing grouting pump for a test of an indoor grouting model. The grouting pump comprises a fixing support, wherein a pressing device, a pressure stabilizing device and a grout cylinder are mounted on the fixing support from top to bottom in sequence, the pressing device drives the pressure stabilizing device to move up and down, and the pressure stabilizing device pushes a piston rod of the grout cylinder to move up and down. The pressure stabilizing grouting pump can overcome the defects that a traditional grouting pump is large in grout flow and uncontrollable in pressure when being applied to the grouting test, and provide stable pressure needed by the test of the grouting model. The influence and the interference on test results due to overlarge pressure surges of the traditional grouting pump can be avoided, test data are more accurate, and test rules are easier to obtain.
Description
Technical field
The utility model relates to a kind of indoor slip casting model test voltage stabilizing grouting pump.
Background technique
Experiment slip casting and on-the-spot slip casting have obviously different for performance requirement and the emphasis of grouting pump, often required grouting amount is little in experiment slip casting, final grouting pressure is less, but higher for grouting pressure stability requirement, and existing test grouting plunger pump, screw pump are all to design for on-the-spot slip casting, flow rate of grouting is large, grouting pressure is that passive type increases, grouting pressure can not be controlled, be difficult to be applied to indoor slip casting experiment, cause requiring high small-sized slip casting experiment to be difficult to carry out for pressure stability.
Chinese invention patent (application number: 2013101412131, patent name: a kind of Novel grouting device for model test and using method) do not comprise the related content of grouting pump own, related grouting pump is only to provide grouting pressure to filler in slip casting container, the tubular slip casting container wherein relating to, piston, piston rod, hydraulic jack coordinate can realize slip casting, but it is steady still can not to realize in slip casting process pressure, can keep the basicly stable function of grouting pressure after slip casting finishes.
Chinese utility model patent (application number: 2007203102356, patent name: high pressure slip-casting pilot model apparatus) although adopt hydraulic jack to pressurize to slurries, but hydraulic jack power and storage are starched between device without feeding pressure stabilizing device, therefore output grouting pressure is not steady, after hydraulic jack quits work, grouting pressure is difficult to stablize the long period.
Model utility content
The purpose of this utility model is to be difficult to be applied to indoor slip casting experiment deficiency for overcoming above-mentioned existing grouting pump, a kind of indoor slip casting model test voltage stabilizing grouting pump is provided, this grouting pump is simple in structure, noise is little, grouting pressure is stablized controlled, can be slip casting model test stable grouting pressure is provided, the reinforcing of research grouting pressure effect slurries was descended and Diffusion Law.
For achieving the above object, the utility model is by the following technical solutions:
Indoor slip casting model test voltage stabilizing grouting pump, comprise: fixed support, described fixed support is provided with hold-down devices, stable-pressure device and slurries cylinder from top to bottom successively, and described hold-down devices drives stable-pressure device to move up and down, and the piston rod that described stable-pressure device promotes slurries cylinder moves up and down.
Described stable-pressure device comprises top guide plate and lower guide plates, described top guide plate and lower guide plates are equipped with several guide rails assembling holes, some closed slides pass several guide rails assembling holes of described top guide plate and lower guide plates successively, the end of every described guide rail is fixed on the top tie plate and lower tie plate between fixed support respectively, described top guide plate is connected with the push rod of described hold-down devices, described lower guide plates is connected with slurries cylinder inner piston rod, between described top guide plate and lower guide plates, by some springs, be connected, described spring housing is connected on guide rail.
Pulp-inlet pipe and grout outlet are installed respectively in the both sides of described slurries cylinder, and described pulp-inlet pipe is provided with into slurry high-pressure ball valve, and described grout outlet is provided with pressure gauge and pulp high-pressure ball valve, and the piston rod of described slurries cylinder drives slurries cylinder interior piston to move up and down.
Described hold-down devices is hydraulic jack, is respectively equipped with top high-pressure oil pipe and bottom high-pressure oil pipe in described hydraulic jack, and the push rod of described hydraulic jack is connected with top guide plate.
Described fixed support is rectangle framework.
Described guide rails assembling hole is symmetricly set in top guide plate and lower guide plates.
The installation method of voltage stabilizing grouting pump for indoor slip casting model test, comprises the steps:
Step (1): by hydraulic jack, slurries cylinder, top tie plate and lower tie plate are fixed on fixed support successively;
Step (2): the two ends of guide rail are separately fixed between top tie plate and lower tie plate, stable-pressure device is movable through guide rail, several spring housings are connected on guide rail, the two ends of several springs are separately fixed to the inner side of top guide plate and lower guide plates, guide plate and spring move up and down along guide rail under the effect of hydraulic jack; Several springs that are fixed on guide plate are Rotational Symmetry distribution about guide plate symmetry axis;
Step (3): the outside of described top guide plate is fixed on the push rod of hydraulic jack; The outside of described lower guide plates is fixed on the piston rod of slurries cylinder.
Step (4): pulp-inlet pipe and grout outlet are installed respectively in the both sides at slurries cylinder.
The using method of voltage stabilizing grouting pump for indoor slip casting model test, comprises the steps:
Step (A): first close pulp high-pressure ball valve during use and suck slurries, mandril of lifting jack sucks slurries or clear water when propradation, closes into slurry high-pressure ball valve after slurries or clear water have sucked, and grout outlet is connected with quilt note medium;
Step (B): make mandril of lifting jack in descent mode, extrude slurries or the clear water of slurries cylinder, realize slip casting, in this process, observe pressure gauge reading constantly, when pressure gauge reading reaches grouting design final pressure, close top high-pressure oil pipe, Hydraulic Jack continues slurries cylinder piston rod to exert pressure by stable-pressure device regulating action, by length and the rigidity of Regulation spring, control spring springback capacity and decrement ratio, within scope of design, are realized the stable of slurries cylinder grouting pressure.
The utility model has solved the unsettled difficult problem of conventional piston formula grouting pump pump pressure, has the following advantages:
1, the utility model utilizes stable-pressure device to carry out storage and the release of potential energy, avoids pumping pressure suddenly to raise, and Output pressure is mild and continual and steady, and pump pressure controllability is strong, so that the reinforcing of research grouting pressure effect slurries was descended and Diffusion Law; In grouting test, can not destroy being formed moment impact by note medium.
2, the utility model is simple in structure, drives midge and the pulp of slurries cylinder by hydraulic power system, and pump speed is lower and flow is controlled, is applicable to indoor grouting simulation test;
3, utilize the utility model to carry out grouting test, can overcoming traditional grouting pump, to be applied to slip casting when experiment slurry flow large, and the uncontrollable shortcoming of pressure, for slip casting model test provides required steady pressure; Can avoid traditional grouting pump pressure surge too large on the impact of test result and interference, test data is more accurate, more easily obtains experimental rules.
4, the utility model has overcome appeal defect, and grouting pressure output is mild, and after pressurization device quits work, the energy that stable-pressure device utilization itself stores makes grouting pressure keep basicly stable.
Accompanying drawing explanation
Fig. 1 is slip casting voltage stabilizing grouting pump generalized section for test;
Fig. 2 is stabilized pressure pump A-A section plan view;
In figure, 1, fixed support, 2, hydraulic jack, 3, slurries cylinder, 4, top high-pressure oil pipe, 5, bottom high-pressure oil pipe, 6, push rod, 7, top guide plate, 8, lower guide plates, 9, guide rail, 10, enter to starch high-pressure ball valve, 11, pulp high-pressure ball valve, 12, pressure gauge, 13, pulp-inlet pipe, 14, grout outlet, 15, spring, 16, guide rails assembling hole, 17, top tie plate, 18, lower tie plate.
Embodiment
With reference to Fig. 1, Fig. 2, indoor slip casting model test voltage stabilizing grouting pump, comprise: fixed support 1, described fixed support 1 is provided with hold-down devices, stable-pressure device and slurries cylinder 3 from top to bottom successively, described hold-down devices drives stable-pressure device to move up and down, and the piston rod that described stable-pressure device promotes slurries cylinder 3 moves up and down.
Described stable-pressure device comprises top guide plate 7 and lower guide plates 8, described top guide plate 7 and lower guide plates 8 are equipped with several guide rails assembling holes 16, some closed slides 9 pass several guide rails assembling holes 16 of described top guide plate 7 and lower guide plates 8 successively, the end of every described guide rail 9 is all fixed on top tie plate 17 and lower tie plate 18, described top guide plate 7 is connected with the push rod 6 of described hold-down devices, described lower guide plates 8 is connected with slurries cylinder 3 inner piston rods, between described top guide plate 7 and lower guide plates 8, by some springs 15, be connected, described spring 15 is socketed on guide rail 9.
Pulp-inlet pipe 13 and grout outlet 14 are installed respectively in the both sides of described slurries cylinder 3, described pulp-inlet pipe 13 is provided with into slurry high-pressure ball valve 10, described grout outlet 14 is provided with pressure gauge 12 and pulp high-pressure ball valve 11, and the piston rod of described slurries cylinder 3 drives slurries cylinder 3 internal pistons to move up and down.
Described hold-down devices is hydraulic jack 2, described hydraulic jack 2 is single pole double-action hydraulic jacks 2, in described hydraulic jack 2, be respectively equipped with top high-pressure oil pipe 4 and bottom high-pressure oil pipe 5, the push rod 6 of described hydraulic jack 2 is connected with top guide plate 7.
Described fixed support 1 is rectangle framework.
Described guide rails assembling hole 16 is symmetricly set in top guide plate 7 and lower guide plates 8.
The installation method of voltage stabilizing grouting pump for indoor slip casting model test, comprises the steps:
Step (1): by hydraulic jack 2, slurries cylinder 3, top tie plate 17, lower tie plate 18 is fixed on fixed support 1 successively;
Step (2): the two ends of guide rail 9 are separately fixed between top tie plate 17 and lower tie plate 18, stable-pressure device is movable through guide rail 9, several springs 15 are socketed on guide rail 9, the two ends of several springs 15 are separately fixed to the inner side of top guide plate 7 and lower guide plates 8, guide plate and spring 15 move up and down along guide rail 9 under the effect of hydraulic jack 2; Several springs 15 that are fixed on guide plate are Rotational Symmetry distribution about guide plate symmetry axis;
Step (3): the outside of described top guide plate 7 is fixed on the push rod 6 of hydraulic jack 2; The outside of described lower guide plates 8 is fixed on the piston rod of slurries cylinder 3.
Step (4): pulp-inlet pipe 13 and grout outlet 14 are installed respectively in the both sides of slurries cylinder 3.
The using method of voltage stabilizing grouting pump for indoor slip casting model test, comprises the steps:
Step (A): first close pulp high-pressure ball valve 11 during use and suck slurries, the push rod 6 of hydraulic jack 2 sucks slurries or clear water when propradation, after slurries or clear water have sucked, close into slurry high-pressure ball valve 10, grout outlet 14 is connected with quilt note medium;
Step (B): make the push rod 6 of hydraulic jack 2 in descent mode, extrude slurries or the clear water of slurries cylinder 3, realize slip casting, in this process, observe pressure gauge 12 readings constantly, when pressure gauge 12 readings reach grouting design final pressure, close top high-pressure oil pipe 4, hydraulic jack 2 pressure are by stable-pressure device regulating action indirectly-acting in slurries cylinder 3 piston rods, and slurries cylinder 3 keeps grouting pressure relatively stable.
Specific implementation process is as follows:
1, regulate hold-down devices 2 strokes to make slurries cylinder 3 pistons in slurries cylinder 3 bottoms;
2, close pulp high-pressure ball valve 11, open into slurry high-pressure ball valve 10, make the push rod 6 of hydraulic jack 2 in rising working state, by pulp-inlet pipe 13, suck slurries, suction volume of slurry is at least 1.2 times of the required slurry volume of test;
3, close into slurry high-pressure ball valve 10, connect grouting pipeline, open pulp high-pressure ball valve 11;
4, make the push rod 6 of hydraulic jack 2 in descent mode, start to inject slurries;
5, observe pressure gauge 12 readings, when pressure gauge 12 readings reach design load, close top high-pressure oil pipe 4, slurries cylinder 3 under stable-pressure device effect, the grouting pressure state that keeps relative stability;
6, after off-test, pulp-inlet pipe 13 and grout outlet 14 are put into clear water, open into slurry high-pressure ball valve 10 and pulp high-pressure ball valve 11, the to-and-fro motion of the push rod 6 by hydraulic jack 2 repeatedly sucks and extrudes water, until extrude clear water.
Although above-mentioned, by reference to the accompanying drawings embodiment of the present utility model is described; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (6)
1. indoor slip casting model test voltage stabilizing grouting pump, it is characterized in that, comprise: fixed support, described fixed support is provided with hold-down devices, stable-pressure device and slurries cylinder from top to bottom successively, described hold-down devices drives stable-pressure device to move up and down, and the piston rod that described stable-pressure device promotes slurries cylinder moves up and down.
2. indoor slip casting model test voltage stabilizing grouting pump as claimed in claim 1, it is characterized in that, described stable-pressure device comprises top guide plate and lower guide plates, described top guide plate and lower guide plates are equipped with several guide rails assembling holes, some closed slides pass several guide rails assembling holes of described top guide plate and lower guide plates successively, the end of every described guide rail is fixed on the top tie plate and lower tie plate between fixed support respectively, described top guide plate is connected with the push rod of described hold-down devices, described lower guide plates is connected with slurries cylinder inner piston rod, between described top guide plate and lower guide plates, by some springs, be connected, described spring housing is connected on guide rail.
3. indoor slip casting model test voltage stabilizing grouting pump as claimed in claim 1, is characterized in that,
Pulp-inlet pipe and grout outlet are installed respectively in the both sides of described slurries cylinder, and described pulp-inlet pipe is provided with into slurry high-pressure ball valve, and described grout outlet is provided with pressure gauge and pulp high-pressure ball valve, and the piston rod of described slurries cylinder drives slurries cylinder interior piston to move up and down.
4. indoor slip casting model test voltage stabilizing grouting pump as claimed in claim 1, is characterized in that,
Described hold-down devices is hydraulic jack, is respectively equipped with top high-pressure oil pipe and bottom high-pressure oil pipe in described hydraulic jack, and the push rod of described hydraulic jack is connected with top guide plate.
5. indoor slip casting model test voltage stabilizing grouting pump as claimed in claim 1, is characterized in that, described fixed support is rectangle framework.
6. indoor slip casting model test voltage stabilizing grouting pump as claimed in claim 2, is characterized in that, described guide rails assembling hole is symmetricly set in top guide plate and lower guide plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151146.1U CN203879728U (en) | 2014-03-31 | 2014-03-31 | Pressure stabilizing grouting pump for test of indoor grouting model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151146.1U CN203879728U (en) | 2014-03-31 | 2014-03-31 | Pressure stabilizing grouting pump for test of indoor grouting model |
Publications (1)
| Publication Number | Publication Date |
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| CN203879728U true CN203879728U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420151146.1U Expired - Fee Related CN203879728U (en) | 2014-03-31 | 2014-03-31 | Pressure stabilizing grouting pump for test of indoor grouting model |
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| CN (1) | CN203879728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925208B (en) * | 2014-03-31 | 2016-04-06 | 山东大学 | Indoor slip casting model test voltage stabilizing grouting pump and installation thereof and using method |
-
2014
- 2014-03-31 CN CN201420151146.1U patent/CN203879728U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925208B (en) * | 2014-03-31 | 2016-04-06 | 山东大学 | Indoor slip casting model test voltage stabilizing grouting pump and installation thereof and using method |
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|---|---|---|---|
| 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: 20141015 Termination date: 20150331 |
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| EXPY | Termination of patent right or utility model |