CN210982157U - Device for rapidly determining permeability coefficient of pervious concrete - Google Patents
Device for rapidly determining permeability coefficient of pervious concrete Download PDFInfo
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- CN210982157U CN210982157U CN201921694988.0U CN201921694988U CN210982157U CN 210982157 U CN210982157 U CN 210982157U CN 201921694988 U CN201921694988 U CN 201921694988U CN 210982157 U CN210982157 U CN 210982157U
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Abstract
The utility model discloses a device for rapidly determining the water permeability coefficient of pervious concrete, which comprises a U-shaped frame and a measuring device, wherein the bottom of the U-shaped frame is provided with a chute, a sliding plate is connected in the chute in a sliding way, a push rod motor is fixed in the chute, an output shaft of the push rod motor is fixedly connected with the sliding plate, one end of the bottom of the sliding plate is fixed with a hydraulic cylinder, an output shaft of the hydraulic cylinder is fixedly connected with an installation disc, the bottom of the installation disc is provided with the measuring device, one end of the sliding plate, which is far away from the hydraulic cylinder, is provided with a scribing comparison device, the measuring device comprises a sleeve, a sliding rod, a connection disc, a compression spring, a measuring cylinder, a water pipe, a chassis and a valve, compared with the traditional manual alignment, the device for rapidly determining the water permeability coefficient of pervious concrete is more accurate, thereby ensuring, compare through adding the balancing weight with current measuring device, pressure is bigger, avoids the condition of leaking to produce.
Description
Technical Field
The utility model relates to a coefficient of water permeability measures technical field, specifically is a device of spot test concrete coefficient of water permeability.
Background
During measurement, firstly, the marking comparison ring is placed on the surface of the permeable concrete to be measured, two circles are drawn along the inner wall and the outer wall of the marking comparison ring by chalk, and then a layer of plasticine sealing material is smeared between the two circles to enable the plasticine sealing material to be in close contact with the surface of the permeable concrete to be measured; compared with the existing scribing comparison ring which is independently arranged, the existing scribing comparison ring is easy to lose, a measuring device needs to be manually aligned with the annular plasticine sealing material, and the existing scribing comparison ring is easy to be misaligned, so that poor sealing is caused; and in order to avoid leaking, often press measuring device through adding the balancing weight or manual work, the use is troublesome harder, and sealed effect still can not be ensured. Therefore, a device for rapidly measuring the permeability coefficient of pervious concrete is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of rapid survey concrete permeability coefficient of permeating water to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device of rapid survey concrete permeability coefficient that permeates water, includes U-shaped frame and measuring device, the spout has been seted up to the bottom of U-shaped frame, sliding connection has the slide in the spout, the spout internal fixation has the push rod motor, the output shaft and the slide fixed connection of push rod motor, the bottom one end of slide is fixed with the pneumatic cylinder, the output shaft fixedly connected with mounting disc of pneumatic cylinder, measuring device is installed to the bottom of mounting disc, the slide is kept away from the one end of pneumatic cylinder and is installed and rule and compare the device.
Preferably, the measuring device comprises a sleeve, a slide rod, a connecting disc, a compression spring, a measuring cylinder, a water pipe, a chassis and a valve, a sleeve is fixed at the bottom of the mounting plate at equal angles, a sliding rod is connected to the bottom end of the sleeve in an embedded and sliding manner, the middle parts of the sliding rods are fixedly connected through a connecting disc, the outer sides of the sleeves are respectively sleeved with a compression spring, two ends of the compression spring are respectively and fixedly connected with the mounting disc and the connecting disc, the top end of the connecting disc is fixed with the measuring cylinder, a water pipe is embedded and fixed in the center of the bottom of the connecting disc, the top end of the water pipe is communicated with the measuring cylinder, a chassis is fixed at the bottom end of the water pipe, and the bottom end of the sliding rod is fixedly connected with the chassis, the bottom of the chassis is provided with a through hole, the bottom end of the water pipe is communicated with the through hole, the water pipe is provided with a valve, and the edge of the bottom of the chassis is provided with an annular convex part.
Preferably, the scribing comparison device comprises a stand column, a pull rod, a tension spring and a scribing comparison ring, wherein the stand column is fixed at one end, far away from the hydraulic cylinder, of the sliding plate, the inside of the stand column is hollow, the bottom of the stand column is embedded into the pull rod in a sliding connection mode, the tension spring is arranged inside the stand column, two ends of the tension spring are fixedly connected with the stand column and the pull rod respectively, and the scribing comparison ring is fixed at the bottom end of the pull rod.
Preferably, a handle is fixed on the side wall of the pull rod.
Preferably, the shape and size of the scribing comparison ring and the annular convex part are the same.
Preferably, four corners of the bottom of the U-shaped frame are provided with universal self-locking wheels.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses draw two circles with the chalk along drawing a line to the inner wall and the outer wall of ring, paint the one deck plasticine sealing material between two circles afterwards, make the plasticine sealing material with the concrete surface in close contact with that permeates water that awaits measuring, then, it slides along the spout to drive the slide through the push rod motor, make measuring device remove the preceding position of drawing a line and comparing the device and locating, guarantee that annular convex part and plasticine sealing material align, align with traditional manual work and compare, more accurate to, and then sealed effect has been guaranteed, avoid simultaneously drawing a line and compare the loss of ring.
2. The utility model discloses an extension of pneumatic cylinder makes annular convex part and plasticine sealing material combine closely, compares through adding the balancing weight with current measuring device, and pressure is bigger, and the condition of avoiding leaking produces, saves trouble and time relatively.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a second schematic view of the overall structure of the present invention;
fig. 3 is the utility model discloses measuring device compares device structure sketch with ruling.
In the figure: 1. a U-shaped frame; 2. a chute; 3. a slide plate; 4. a push rod motor; 5. a hydraulic cylinder; 6. mounting a disc; 7. a measuring device; 8. a scribing comparison device; 9. a sleeve; 10. a slide bar; 11. a connecting disc; 12. a compression spring; 13. a measuring cylinder; 14. a water pipe; 15. a chassis; 16. a through hole; 17. a valve; 18. an annular protrusion; 19. a column; 20. a pull rod; 21. a tension spring; 22. drawing a comparison ring; 23. a handle; 24. universal auto-lock wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a device of rapid survey concrete permeability coefficient that permeates water, includes U-shaped frame 1 and measuring device 7, spout 2 has been seted up to the bottom of U-shaped frame 1, sliding connection has slide 3 in the spout 2, 2 internal fixation in spouts have push rod motor 4, the output shaft and the 3 fixed connection of slide of push rod motor 4, the bottom one end of slide 3 is fixed with pneumatic cylinder 5, the output shaft fixedly connected with mounting disc 6 of pneumatic cylinder 5, measuring device 7 is installed to the bottom of mounting disc 6, slide 3 is kept away from the one end of pneumatic cylinder 5 and is installed marking off comparison device 8.
The measuring device 7 comprises a sleeve 9, a sliding rod 10, a connecting disc 11, a compression spring 12, a measuring cylinder 13, a water pipe 14, a chassis 15 and a valve 17, the sleeve 9 is fixed at the bottom of the mounting disc 6 at equal angles, the sliding rod 10 is connected to the bottom end of the sleeve 9 in an embedded and sliding manner, the middle part of the sliding rod 10 is fixedly connected with the connecting disc 11, the compression spring 12 is sleeved on the outer side of the sleeve 9, the two ends of the compression spring 12 are fixedly connected with the mounting disc 6 and the connecting disc 11 respectively, the measuring cylinder 13 is fixed at the top end of the connecting disc 11, the water pipe 14 is fixed at the center of the bottom of the connecting disc 11 in an embedded manner, the top end of the water pipe 14 is communicated with the measuring cylinder 13, the chassis 15 is fixed at the bottom end of the water pipe 14, the bottom end of the sliding rod 10 is fixedly connected with the chassis 15, a, a valve 17 is arranged on the water pipe 14, and an annular convex part 18 is arranged at the bottom edge of the bottom plate 15.
The scribing comparison device 8 comprises a stand column 19, a pull rod 20, a tension spring 21 and a scribing comparison ring 22, one end, far away from the hydraulic cylinder 5, of the sliding plate 3 is fixed with the stand column 19, the inside of the stand column 19 is hollow, the bottom of the stand column 19 is embedded with the pull rod 20 in a sliding mode, the inside of the stand column 19 is provided with the tension spring 21, two ends of the tension spring 21 are respectively fixedly connected with the stand column 19 and the pull rod 20, the bottom end of the pull rod 20 is fixedly provided with the scribing comparison ring 22, and compared with the existing scribing comparison ring 22 which is separately arranged, the loss can be avoided, and meanwhile, through the arrangement of the push rod motor 4, the alignment of a ring drawn by a chalk along the scribing comparison ring 22 and the chassis 15.
A handle 23 is fixed on the side wall of the pull rod 20, so that the pull rod 20 can be pulled conveniently.
The shape and size of the scribing comparison ring 22 and the annular convex part 18 are the same, so that the sealing material is convenient to coat, and the sealing material is further ensured to be tightly combined with the chassis 15.
Universal self-locking wheels 24 are mounted at four corners of the bottom of the U-shaped frame 1, and the whole permeable concrete permeability coefficient device can be conveniently moved.
The working principle is as follows: firstly, cleaning the surface of the pervious concrete to be tested, then pushing the U-shaped frame 1 to the position to be tested, locking the universal self-locking wheel 24, holding the handle 23 by the right hand and pulling the pull rod 20 downwards, wherein the tension spring 21 is tensioned to store energy, when the scribing comparison ring 22 is contacted with the surface of the pervious concrete to be tested, drawing two circles along the inner wall and the outer wall of the scribing comparison ring 22 by chalk, and then smearing a layer of plasticine sealing material between the two circles to ensure that the plasticine sealing material is tightly contacted with the surface of the pervious concrete to be tested;
then, the push rod motor 4 drives the sliding plate 3 to slide along the sliding chute 2, so that the measuring device 7 moves to the position where the previous marking comparison device 8 is located;
subsequently, the mass of the U-shaped frame 1 is large, the reaction force of the hydraulic cylinder 5 on the U-shaped frame 1 is not enough to jack up the U-shaped frame 1, the hydraulic cylinder 5 is controlled to extend, so that the chassis 15 is in contact with the plasticine sealing material, the thickness of the artificially coated plasticine sealing material is not uniform, the arrangement of the compression spring 12 avoids the situation that the hydraulic cylinder 5 excessively extrudes the plasticine sealing material, the plasticine sealing material moves to the center of the chassis 15 to cause the plasticine sealing material to block the through hole 16, and the arrangement of the hydraulic cylinder 5 prevents pressure water from flowing out along the space between the pervious concrete and the chassis 15;
and secondly, closing the valve 17, filling the measuring cylinder 13 with water, adding red ink until the total amount of the red ink is 600ml, quickly opening the valve 17, gradually permeating the water in the measuring cylinder 13 into the pervious concrete from the through hole 16 at the bottom end of the chassis 15 along the water pipe 14, immediately starting a stopwatch when the water level in the measuring cylinder 13 descends by 100ml, and reading the scale of the measuring cylinder 13 every 60 seconds until the water level descends by 500 ml.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a device of rapid survey concrete permeability coefficient that permeates water, includes U-shaped frame (1) and measuring device (7), its characterized in that: spout (2) have been seted up to the bottom of U-shaped frame (1), sliding connection has slide (3) in spout (2), spout (2) internal fixation has push rod motor (4), the output shaft and slide (3) fixed connection of push rod motor (4), the bottom one end of slide (3) is fixed with pneumatic cylinder (5), the output shaft fixedly connected with mounting disc (6) of pneumatic cylinder (5), measuring device (7) are installed to the bottom of mounting disc (6), slide (3) are kept away from the one end of pneumatic cylinder (5) and are installed and rule and compare device (8).
2. The device for rapidly determining the permeability coefficient of pervious concrete according to claim 1, wherein: the measuring device (7) comprises a sleeve (9), a sliding rod (10), a connecting disc (11), a compression spring (12), a measuring cylinder (13), a water pipe (14), a chassis (15) and a valve (17), wherein the sleeve (9) is fixed at equal angles at the bottom of the mounting disc (6), the sliding rod (10) is embedded into the bottom end of the sleeve (9), the middle of the sliding rod (10) is fixedly connected with the connecting disc (11), the compression spring (12) is sleeved on the outer side of the sleeve (9), two ends of the compression spring (12) are respectively fixedly connected with the mounting disc (6) and the connecting disc (11), the measuring cylinder (13) is fixed at the top end of the connecting disc (11), the water pipe (14) is embedded and fixed at the center of the bottom of the connecting disc (11), the top end of the water pipe (14) is communicated with the measuring cylinder (13), the chassis (15) is fixed at the bottom end of the water pipe (14), the bottom end of the sliding rod (10) is fixedly connected with the chassis (15), a through hole (16) is formed in the bottom of the chassis (15), the bottom end of the water pipe (14) is communicated with the through hole (16), a valve (17) is installed on the water pipe (14), and an annular convex portion (18) is arranged at the edge of the bottom of the chassis (15).
3. The device for rapidly determining the permeability coefficient of pervious concrete according to claim 1, wherein: the marking-off comparison device (8) comprises a stand column (19), a pull rod (20), a tension spring (21) and a marking-off comparison ring (22), wherein the stand column (19) is fixed at one end, far away from the hydraulic cylinder (5), of the sliding plate (3), the inside of the stand column (19) is hollow, the pull rod (20) is embedded into the bottom of the stand column (19) in a sliding mode, the tension spring (21) is arranged inside the stand column (19), two ends of the tension spring (21) are fixedly connected with the stand column (19) and the pull rod (20) respectively, and the bottom end of the pull rod (20) is fixed with the marking-off comparison ring (22).
4. The device for rapidly determining the permeability coefficient of pervious concrete according to claim 3, wherein: a handle (23) is fixed on the side wall of the pull rod (20).
5. The device for rapidly determining the permeability coefficient of pervious concrete according to claim 3, wherein: the shape and the size of the scribing comparison ring (22) are the same as those of the annular convex part (18).
6. The device for rapidly determining the permeability coefficient of pervious concrete according to claim 1, wherein: universal self-locking wheels (24) are mounted at four corners of the bottom of the U-shaped frame (1).
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CN201921694988.0U CN210982157U (en) | 2019-10-11 | 2019-10-11 | Device for rapidly determining permeability coefficient of pervious concrete |
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CN201921694988.0U CN210982157U (en) | 2019-10-11 | 2019-10-11 | Device for rapidly determining permeability coefficient of pervious concrete |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113984615A (en) * | 2021-07-05 | 2022-01-28 | 山西大学 | Permeable coefficient test device for permeable concrete |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113984615A (en) * | 2021-07-05 | 2022-01-28 | 山西大学 | Permeable coefficient test device for permeable concrete |
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