CN207557049U - A kind of pump concrete high pressure rheological property assessing instrument - Google Patents
A kind of pump concrete high pressure rheological property assessing instrument Download PDFInfo
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- CN207557049U CN207557049U CN201721531920.1U CN201721531920U CN207557049U CN 207557049 U CN207557049 U CN 207557049U CN 201721531920 U CN201721531920 U CN 201721531920U CN 207557049 U CN207557049 U CN 207557049U
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- high pressure
- rheological property
- pump concrete
- concrete high
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Abstract
The utility model belongs to High Pressure Reinforced Concrete rheological property identification apparatus technical field, more particularly to a kind of pump concrete high pressure rheological property assessing instrument, the agitating device is contacted with column bucket inner bottom surface through travel switch axial movement, the pressurized sensor connection pressurised driving device of air compressing device, the clipped force snesor of agitating device is connected to mixer drive, the travel switch, boost pressure sensor and shear force sensor are electrically connected in numerical control device, the utility model solves the problems, such as whether the prior art is deteriorated in the presence of its workability after can't quantitatively identifying pump concrete withstanding pressure, it is detected with quantization, automation mechanized operation, it is easy to use, the strong advantageous effects of identity.
Description
Technical field
The utility model belongs to High Pressure Reinforced Concrete rheological property identification apparatus technical field more particularly to a kind of pumped concrete
Native high pressure rheological property assessing instrument.
Background technology
At present, with the development of the development of the national economy, concrete is widely used in all kinds of engineering constructions, wherein pumping
Concrete substantially increases the efficiency of engineering construction because pumping machine equipment can be used conveyed at a distance with high level for it, but
Also there is higher requirement to pump concrete performance simultaneously.Underproof pump concrete, can be caused in pumping procedure plugging,
The situation of booster, and be subjected to over long distances or after high-rise pumping, the rheological properties such as cohesiveness, mobility, water-retaining property and pump
Initial performance before sending has bigger difference, and degradation leads to construction inconvenience, can not even construct, while influences building knot
The performance and safety of structure.
Unqualified pump concrete is through over long distances or after high-rise pumping, the material system of concrete is applied by pumping machine
Crunch, some variations occur.Underproof pump concrete, water retention property is poor, dissociates under pressure extrusion
Moisture overflow, cause concrete send out pump line after, in interference caking phenomenon, do not flow, shovel it is motionless, it is difficult to construct.It is underproof
Pump concrete, bleed effect is poor, and inside formation microbubble is unstable, and the original ball sliding effect that rises increases the stream of concrete
Dynamic property, microbubble ruptures one after another after being subjected to pumping pressure, and ball effect is destroyed, and concrete mortar is sticky not to be flowed, and construction is difficult
Degree increase.Underproof pump concrete, concrete mortar and aggregate system are unstable, be subjected to easily generating after pumping pressure from
Analysis problem, aggregate are detached with slurry, and aggregate aggregation causes plugging booster situation, even if tube body can be pumped out, is cast in building structure
In the middle, it can also be isolated after construction is vibrated, aggregate is sunk to the bottom, and slurry floats to form laitance, and during serious conditions, slurry aquation flows away,
Aggregate is exposed to surface, can not plaster.
At present, the rheological property detection of pump concrete generally uses the method identical with normal concrete, only carries out letter
Single range estimation, the slump, divergence and ongoing change etc. is stood, do not consider that the variation in pressure state its rheological property refers to
Mark.Therefore, existing detection means fails to identify the practical pumpable performance of pump concrete conscientiously.
Utility model content
The utility model provides a kind of pump concrete high pressure rheological property assessing instrument, to solve to carry in above-mentioned background technology
The problem of existing detection means gone out fails to identify the practical pumpable performance of pump concrete conscientiously.
The technical issues of the utility model solves is realized using following technical scheme：A kind of pump concrete high-pressure spray
Become performance assessing instrument, the column bucket including filling concrete, the column bung hole end is tightly connected air compressing device, the air compressing device inner shaft
Concrete central mix plant into connecting pole bucket, the agitating device are contacted with column bucket inner bottom surface through travel switch axial movement,
The pressurized sensor connection pressurised driving device of air compressing device, the clipped force snesor of agitating device are connected to stirring
Driving device, the travel switch, boost pressure sensor and shear force sensor are electrically connected in numerical control device.
Further, the air compressing device includes pressurization cover board, and described pressurization cover board one end is tightly connected column bung hole end, another
Axially one end of connection plus ejector sleeve, the pressurized sensor of described plus ejector sleeve the other end connect pressurised driving device for one end.
Further, the pressurization cover board has rubber, used time patch expendable transparent plastic film.
Further, the agitating device includes the paddle in column bucket, and described paddle one end connects travel switch, another
Connection adds one end of the mixing shaft in ejector sleeve, the clipped force snesor connection of agitating device described in the agitating shaft other end outward for one end
In mixer drive.
Further, the paddle includes supporting platen, and the supporting platen end face vertical connection stirring blade is another
End face axially connects one end of the mixing shaft.
Further, the shear force sensor is torque sensor
Further, the column bucket excircle bottom, which is formed radially, unloads the mouth of a river.
Further, it is described to unload the interchangeable water permeable membrane in the mouth of a river and screens.
Further, column bucket connection integrated with numerical control device, the numerical control device can recognize that shearing force, pressure, again
Amount variation.
Further, the outer bottom end connection vibrator of the column bucket.
The beneficial effects of the utility model are：
1st, this patent is tightly connected air compressing device using the column bung hole end, in the air compressing device in axial connecting pole bucket
Concrete central mix plant, the agitating device through travel switch axial movement be contacted with column bucket inner bottom surface, the air compressing device
Pressurized sensor connects pressurised driving device, and the agitating device connects shear force sensor, and the travel switch, pressurization pass
Sensor and shear force sensor are electrically connected in numerical control device, since air compressing device is sealedly attached to column bung hole end,
The pressure of air realizes the pressurization of column bucket inner concrete, since agitating device is by the rotation of paddle, realizes concrete
Stirring, by the measurement to torque, the measurement of concrete shearing power is realized, due to passing through travel switch, boost pressure sensor
And the application of three sensors such as shear force sensor, have under high pressure and the stirring after release with concrete before pressurization is cut
Shear force measurement capability, it is thereby achieved that the pumping that carries out of identification concrete is possibly realized.
2nd, this patent includes pressurization cover board using the air compressing device, and described pressurization cover board one end is tightly connected column bung hole
End, the other end axially connects plus one end of ejector sleeve, described plus ejector sleeve the pressurized sensor connection pressurised driving dress of the other end
It puts, the agitating device includes the paddle in column bucket, and described paddle one end connects travel switch, and the other end connects outward
Add one end of the mixing shaft in ejector sleeve, the clipped force snesor of agitating device described in the agitating shaft other end is connected to stirring driving dress
It puts, since pressurization cover board is by sealing pressure increase in column bucket, while paddle one end is by connecting travel switch, when stirring
When mixing leaf and bottoming out, paddle stops axial operation, is bottoming out wheel measuring concrete shearing power by paddle, is passing through sensor
Electric measurement, improve the automatic capability of device.
3rd, this patent has the rubber used time to paste expendable transparent plastic film using the pressurization cover board, improves pressure effect.
4th, this patent includes supporting platen, the supporting platen end face vertical connection paddle using the paddle
Piece, other end axially connect one end of the mixing shaft, improve mixing effect and stirring capacity.
5th, this patent is formed radially using the column bucket excircle bottom and unloads the mouth of a river, described to unload the interchangeable water permeable membrane in the mouth of a river and card
Position, the release effectively realized.
6th, this patent can recognize that shearing force, pressure using column bucket connection integrated with numerical control device, the numerical control device
Power, weight change, not only increase the integral strength of device, while improve the identifiability of device.
7th, this patent improves the even results of concrete stirring using the outer bottom end connection vibrator of the column bucket.
Description of the drawings
Fig. 1 is a kind of structure diagram of pump concrete high pressure rheological property assessing instrument of the utility model.
Specific embodiment
The utility model is described further below in conjunction with attached drawing：
In figure：1- column buckets, 2- air compressing devices, 3- agitating devices, 4- travel switches, 5- boost pressure sensors, 6- shearing forces pass
Sensor, 7- pressurised driving device (not shown), 8- mixer drive (not shown), 9- pressurization cover boards, 10- add ejector sleeve, and 11- is stirred
Mix leaf, 12- agitating shafts, 13- supporting platens, 14- stirring blades, 15- unloads the mouth of a river, 16- vibrators, 17- numerical control devices.
Embodiment：
The present embodiment：As shown in Figure 1, a kind of pump concrete high pressure rheological property assessing instrument, the column including filling concrete
Bucket 1,1 mouthful of end of the column bucket are tightly connected air compressing device 2, the concrete stirring in the air compressing device 2 in axial connecting pole bucket 1
Device 3, the agitating device 3 are contacted with 1 inner bottom surface of column bucket, the 2 pressurized biography of air compressing device through the axial movement of travel switch 4
Sensor 5 connects pressurised driving device 7, and the 3 clipped force snesor 6 of agitating device is connected to mixer drive 8, the row
Cheng Kaiguan 4, boost pressure sensor 5 and shear force sensor 6 are electrically connected in numerical control device 17.
The air compressing device 2 includes pressurization cover board 9, and 9 one end of the pressurization cover board is tightly connected 1 mouthful of end of column bucket, another
The axial connection in end plus one end of ejector sleeve 10, described plus ejector sleeve 10 the pressurized sensor 5 of the other end connect pressurised driving device 7.
The pressurization cover board 9 has rubber, used time patch expendable transparent plastic film.
The agitating device 3 includes the paddle 11 in column bucket 1, and described 11 one end of paddle connects travel switch 4, another
Connection adds 12 one end of agitating shaft in ejector sleeve 10 outward for one end, and the clipped force snesor 6 of 12 other end of agitating shaft, which is connected to, to be stirred
Mix driving device 8.
The paddle 11 include supporting platen 13, the 13 end face vertical connection stirring blade 14 of supporting platen,
Other end axially connects 12 one end of agitating shaft.
The shear force sensor 6 is torque sensor
The 1 excircle bottom of column bucket, which is formed radially, unloads the mouth of a river 15.
It is described to unload 15 interchangeable water permeable membrane of the mouth of a river and screens.
The connection integrated with numerical control device 17 of column bucket 1, the numerical control device 17 can recognize that shearing force, pressure, weight
Variation.
The 1 outer bottom end of column bucket connects vibrator 16.
Operation principle：
This patent is tightly connected air compressing device by the column bung hole end, in the air compressing device in axial connecting pole bucket
Concrete central mix plant, the agitating device are contacted with column bucket inner bottom surface, the air compressing device warp through travel switch axial movement
Boost pressure sensor connects pressurised driving device, and the agitating device connects shear force sensor, the travel switch, pressurization sensing
Device and shear force sensor are electrically connected in numerical control device, since air compressing device is sealedly attached to column bung hole end, it is empty
The pressure of gas realizes the pressurization of column bucket inner concrete, since agitating device is by the rotation of paddle, realizes concrete
Stirring, by the measurement to torque, realize the measurement of concrete shearing power, due to by travel switch, boost pressure sensor with
And the application of three sensors such as shear force sensor, have under high pressure and sheared after release with the stirring of concrete before pressurization
Power measurement capability, what the utility model solved that the prior art there is a possibility that can't to identify concrete carries out what is pumped
Problem, have realize identification concrete carry out pumping be possibly realized, automatic capability is strong, mixing effect is good, recognizable
The strong advantageous effects of property.
Using the technical solution of the utility model or those skilled in the art technical solutions of the utility model inspiration
Under, similar technical solution is designed, and reach above-mentioned technique effect, it is to fall into the scope of protection of the utility model.
Claims (10)
1. a kind of pump concrete high pressure rheological property assessing instrument, which is characterized in that the column bucket including filling concrete, the column bucket
Mouthful end is tightly connected air compressing device, the concrete central mix plant in the air compressing device in axial connecting pole bucket, the stirring dress
It puts and is contacted with column bucket inner bottom surface, the pressurized sensor connection pressurised driving dress of air compressing device through travel switch axial movement
It puts, the clipped force snesor of agitating device is connected to mixer drive, the travel switch, boost pressure sensor and cuts
Shear force sensor is electrically connected in numerical control device.
A kind of 2. pump concrete high pressure rheological property assessing instrument according to claim 1, which is characterized in that the pneumatics
Device includes the cover board that pressurizes, and described pressurization cover board one end is tightly connected column bung hole end, and axially connection adds the one of ejector sleeve to the other end
End, described plus ejector sleeve the pressurized sensor connection pressurised driving device of the other end.
A kind of 3. pump concrete high pressure rheological property assessing instrument according to claim 2, which is characterized in that the pressurization
Cover board has rubber, used time patch expendable transparent plastic film.
A kind of 4. pump concrete high pressure rheological property assessing instrument according to claim 1, which is characterized in that the stirring
Device includes the paddle in column bucket, and described paddle one end connects travel switch, and the other end is connected to add outward and be stirred in ejector sleeve
Axis one end is mixed, the clipped force snesor of agitating device is connected to mixer drive described in the agitating shaft other end.
A kind of 5. pump concrete high pressure rheological property assessing instrument according to claim 4, which is characterized in that the stirring
Leaf includes supporting platen, the supporting platen end face vertical connection stirring blade, and other end axially connects agitating shaft one
End.
A kind of 6. pump concrete high pressure rheological property assessing instrument according to claim 4, which is characterized in that the shearing
Force snesor is torque sensor.
A kind of 7. pump concrete high pressure rheological property assessing instrument according to claim 1, which is characterized in that the column bucket
Excircle bottom, which is formed radially, unloads the mouth of a river.
8. a kind of pump concrete high pressure rheological property assessing instrument according to claim 7, which is characterized in that described to unload water
The interchangeable water permeable membrane of mouth and screens.
A kind of 9. pump concrete high pressure rheological property assessing instrument according to claim 1, which is characterized in that the column bucket
Connection integrated with numerical control device, the numerical control device can recognize that shearing force, pressure, weight change.
A kind of 10. pump concrete high pressure rheological property assessing instrument according to claim 1, which is characterized in that the column
The outer bottom end connection vibrator of bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721531920.1U CN207557049U (en) | 2017-11-16 | 2017-11-16 | A kind of pump concrete high pressure rheological property assessing instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721531920.1U CN207557049U (en) | 2017-11-16 | 2017-11-16 | A kind of pump concrete high pressure rheological property assessing instrument |
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| Publication Number | Publication Date |
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| CN207557049U true CN207557049U (en) | 2018-06-29 |
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| CN201721531920.1U Active CN207557049U (en) | 2017-11-16 | 2017-11-16 | A kind of pump concrete high pressure rheological property assessing instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433032A (en) * | 2021-06-10 | 2021-09-24 | 华润建筑有限公司 | Test and evaluation method for pressure expansion degree variation of cement concrete mixture |
| CN114112795A (en) * | 2021-11-09 | 2022-03-01 | 东南大学 | Testing device and testing method for fresh concrete and boundary resistance characteristics |
-
2017
- 2017-11-16 CN CN201721531920.1U patent/CN207557049U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433032A (en) * | 2021-06-10 | 2021-09-24 | 华润建筑有限公司 | Test and evaluation method for pressure expansion degree variation of cement concrete mixture |
| CN113433032B (en) * | 2021-06-10 | 2023-08-04 | 华润建筑有限公司 | Cement concrete mixture pressure expansion degree variation test and evaluation method |
| CN114112795A (en) * | 2021-11-09 | 2022-03-01 | 东南大学 | Testing device and testing method for fresh concrete and boundary resistance characteristics |
| WO2023082610A1 (en) * | 2021-11-09 | 2023-05-19 | 东南大学 | Test apparatus and test method for resistance characteristics between fresh concrete and boundary |
| CN114112795B (en) * | 2021-11-09 | 2024-01-12 | 东南大学 | Test device and test method for fresh concrete and boundary resistance characteristics |
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