CN212207025U - Sealing device for concrete impermeability test - Google Patents
Sealing device for concrete impermeability test Download PDFInfo
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- CN212207025U CN212207025U CN202020816412.3U CN202020816412U CN212207025U CN 212207025 U CN212207025 U CN 212207025U CN 202020816412 U CN202020816412 U CN 202020816412U CN 212207025 U CN212207025 U CN 212207025U
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- elastic sealing
- sleeve
- concrete
- die
- arc portion
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Abstract
The utility model belongs to the concrete test field, in particular to a sealing device for concrete impermeability test, which comprises an elastic sealing sleeve sleeved outside a concrete test block and a die sleeve clamped outside the elastic sealing sleeve, wherein the elastic sealing sleeve is coated on the side wall of the round platform-shaped concrete test block, the two ends of the elastic sealing sleeve are respectively provided with a first arc part and a second arc part, and the first arc part and the second arc part respectively extend to the top and the bottom of the concrete test block; but through setting up the die sleeve of split into two half moulds, and two half moulds all are connected with pressure mechanism, and the top and the bottom of die sleeve and elastic sealing cover are the circular arc, and the corner of the experimental piece of concrete that corresponds is also filleted corner to be handled, avoids the appearance of edges and corners to can extend to the top surface from the side, and all be tight laminating state, the outside carries out the pressure testing with last circular arc portion, the lower circular arc portion of laminating, can be inseparabler.
Description
Technical Field
The utility model relates to a concrete test field specifically is a sealing device for concrete impermeability test.
Background
The impermeability refers to the property of the material used by the structure to resist the penetration of water or other liquid (such as light oil and heavy oil) media under the action of pressure, the impermeability of the concrete is an important index for evaluating the quality and durability of the concrete, and is also a necessary inspection index for strict concrete quality control of each engineering quality monitoring station, and the engineering with impermeability requirement to the concrete has the following steps: hydraulic engineering, port engineering, road and bridge engineering, underground structural engineering and the like.
The utility model discloses a utility model is CN 201620287073.8's utility model discloses a sealing device for concrete impermeability test, the device have simple structure, and the testing result is accurate, advantage that detection efficiency is high, but this structure is not enough to the shutoff dynamics at concrete test block both ends, and the penetrant can permeate along seal cover and test block down under the effect of high pressure, causes the result accurate inadequately. Accordingly, those skilled in the art have provided a sealing device for concrete impermeability test to solve the problems set forth in the background art described above.
Disclosure of Invention
An object of the utility model is to provide a sealing device for concrete impermeability test 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:
a sealing device for a concrete impermeability test comprises an elastic sealing sleeve sleeved outside a concrete test block and a die sleeve clamped and installed outside the elastic sealing sleeve, wherein the elastic sealing sleeve is wrapped on the side wall of the round platform-shaped concrete test block, a first arc part and a second arc part are respectively arranged at two ends of the elastic sealing sleeve, the first arc part and the second arc part respectively extend to the top and the bottom of the concrete test block and are in fit sealing with the concrete test block, the die sleeve comprises a first half die and a second half die which are mutually clamped, the top and the bottom of the first half die and the second half die are respectively provided with an upper arc part and a lower arc part which are matched with the first arc part and the second arc part, the first half die and the second half die are clamped and attached to the outer wall of the elastic sealing sleeve and extrude the elastic sealing sleeve, and two ends of the first half mould and the second half mould are respectively provided with a pressure mechanism.
As a further aspect of the present invention: the first half mold and the second half mold are two semi-circular arc plates with the same size.
As a further aspect of the present invention: the middle positions of the outer side walls of the first half die and the second half die are respectively provided with a press connection seat, and the output end of the pressure mechanism is inserted in the press connection seats.
As a further aspect of the present invention: go up all to be equipped with edge extrusion strip and sawtooth layering on the inside wall of circular arc portion and lower circular arc portion, edge extrusion strip, sawtooth layering all with die sleeve integrated into one piece, edge extrusion strip is located the outside of sawtooth layering, just edge extrusion strip is the arc of evagination, the sawtooth layering is the zigzag.
As a further aspect of the present invention: the elastic sealing sleeve comprises an elastic medium, a transverse traction rope and a longitudinal traction rope, wherein the transverse traction rope is uniformly distributed from top to bottom, the longitudinal traction rope is distributed on the inner side and the outer side of the transverse traction rope, the elastic medium is coated on the outer sides of the transverse traction rope and the longitudinal traction rope, and the elastic medium is made of rubber or silica gel.
As a further aspect of the present invention: and the inner side wall of the die sleeve is fixedly provided with extrusion strips, and the extrusion strips are distributed along the axis of the die sleeve in a centrosymmetric manner.
As a further aspect of the present invention: the outer diameter of the elastic sealing sleeve is larger than the inner diameter of the die sleeve, and the difference between the outer diameter of the elastic sealing sleeve and the inner diameter of the die sleeve is 1/5-1/3 of the thickness of the elastic sealing sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
but through setting up the die sleeve of split into two half moulds, and two half moulds all are connected with pressure mechanism, and the top and the bottom of die sleeve and elastic sealing cover are the circular arc, and the corner of the experimental piece of concrete that corresponds is also filleted corner to be handled, avoids the appearance of edges and corners to can extend to the top surface from the side, and all be tight laminating state, the outside carries out the pressure testing with last circular arc portion, the lower circular arc portion of laminating, can be inseparabler.
Drawings
FIG. 1 is a schematic view showing the construction of a sealing device for a concrete impermeability test;
FIG. 2 is a schematic view of the structure in the direction A-A in FIG. 1;
FIG. 3 is an enlarged schematic view of a portion C of FIG. 2;
fig. 4 is a schematic structural view in the direction B-B in fig. 1.
In the figure: 100. a concrete test block; 1. die sleeve; 1a, a first half-mould; 1b, a second mold half; 101. an upper arc portion; 102. a lower arc portion; 11. a crimping seat; 12. extruding the strip at the edge; 13. pressing strips with saw teeth; 14. extruding the strip; 2. an elastic sealing sleeve; 201. a first arc portion; 202. a second arc portion; 21. an elastic medium; 22. a transverse pulling rope; 23. a longitudinal pulling rope; 3. a pressure mechanism.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, a sealing device for a concrete impermeability test includes an elastic sealing sleeve 2 covering an outer portion of a concrete test block 100, and a mold sleeve 1 snap-fitted to the outer portion of the elastic sealing sleeve 2, the elastic sealing sleeve 2 covers a side wall of the circular truncated cone-shaped concrete test block 100, and both ends of the elastic sealing sleeve 2 are respectively provided with a first arc portion 201 and a second arc portion 202, the first arc portion 201 and the second arc portion 202 respectively extend to a top and a bottom of the concrete test block 100 and are sealed with the concrete test block 100, the mold sleeve 1 includes a first mold half 1a and a second mold half 1b which are mutually snap-fitted, an upper arc portion 101 and a lower arc portion 102 which are matched with the first arc portion 201 and the second arc portion 202 are respectively provided at a top end and a bottom end of the first mold half 1a and the second mold half 1b, the first mold half 1a and the second mold half 1b are snap-fitted to an outer wall of the elastic sealing sleeve 2, and extrudes the elastic sealing sleeve 2, and two ends of the first half mould 1a and the second half mould 1b are respectively provided with a pressure mechanism 3.
In fig. 1 and 4: the device comprises an elastic sealing sleeve 2 sleeved outside a concrete test block 100 and a die sleeve 1 clamped and installed outside the elastic sealing sleeve 2, wherein the elastic sealing sleeve 2 covers the side wall of the round platform-shaped concrete test block 100, the die sleeve 1 comprises a first half die 1a and a second half die 1b which are clamped with each other, two ends of the first half die 1a and the second half die 1b are respectively provided with a pressure mechanism 3, the first half die 1a and the second half die 1b are two semi-circular arc plates with equal size, the middle positions of the outer side walls of the first half die 1a and the second half die 1b are respectively provided with a compression joint seat 11, the output end of the pressure mechanism 3 is inserted into the compression joint seat 11, the die sleeve 1 which can be split into the two half dies is arranged, the two half dies are both connected with the pressure mechanism 3, the pressure mechanism 3 adopts a hydraulic rod, the die sleeve 1 can be simultaneously extruded from two sides, and the elastic sealing sleeve 2, therefore, the tightness between the elastic sealing sleeve 2 and the edge of the concrete test block 100 is improved, the medium is prevented from flowing out from the position between the concrete test block 100 and the elastic sealing sleeve 2, the liquid medium required by the test is pressed from the upper direction and the lower direction, and the permeability of the concrete test block 100 is detected.
In fig. 2: the two ends of the elastic sealing sleeve 2 are respectively provided with a first arc part 201 and a second arc part 202, the first arc part 201 and the second arc part 202 respectively extend to the top and the bottom of the concrete test block 100 and are jointed and sealed with the concrete test block 100, the top ends and the bottom ends of the first half die 1a and the second half die 1b are respectively provided with an upper arc part 101 and a lower arc part 102 which are matched with the first arc part 201 and the second arc part 202, the first arc part 201, the second arc part 202, the upper arc part 101 and the lower arc part 102 are respectively arranged at the two ends of the elastic sealing sleeve 2 and the two ends of the die sleeve 1, so that the elastic sealing sleeve 2 can be jointed with a smooth arc surface at the corner of the concrete test block 100, the corresponding corner of the concrete test block 100 is also chamfered, the occurrence of an edge angle is avoided, and the elastic sealing sleeve can extend to the top surface from the side surface and is in a tight joint state, the outer portion can be pressed more tightly by the upper arc portion 101 and the lower arc portion 102 which are bonded to each other.
In fig. 3: go up all to be equipped with edge extrusion strip 12 and sawtooth layering 13 on the inside wall of arc portion 101 and lower arc portion 102, edge extrusion strip 12, sawtooth layering 13 all with die sleeve 1 integrated into one piece, edge extrusion strip 12 is located the outside of sawtooth layering 13, and edge extrusion strip 12 is the arc of evagination, sawtooth layering 13 is the zigzag, through setting up edge extrusion strip 12, sawtooth layering 13, can increase die sleeve 1 to the pressure of elastic sealing cover 2, give elastic sealing cover 2 bigger pressure in the position at upper and lower both ends, thereby it is tighter, be difficult to reveal, sawtooth layering 13 can be used to fix a position elastic sealing cover 2, prevent that elastic sealing cover 2 from sliding, edge extrusion strip 12 increases the pressure to elastic sealing cover 2.
In fig. 4: the elastic sealing sleeve 2 comprises an elastic medium 21, a transverse traction rope 22 and a longitudinal traction rope 23, the transverse traction rope 22 is uniformly distributed from top to bottom, the longitudinal traction rope 23 is distributed on the inner side and the outer side of the transverse traction rope 22, the elastic medium 21 is coated on the outer side of the transverse traction rope 22 and the outer side of the longitudinal traction rope 23, the elastic medium 21 is made of rubber or silica gel, an extrusion strip 14 is fixedly arranged on the inner side wall of the die sleeve 1, the extrusion strip 14 is centrally and symmetrically distributed along the axis of the die sleeve 1, the transverse traction rope 22 and the longitudinal traction rope 23 are arranged inside the elastic sealing sleeve 2, the anti-pulling capacity of the elastic sealing sleeve 2 can be improved, the toughness of the elastic sealing sleeve 2 is improved, the elastic sealing sleeve 2 is elastically deformed within a certain range, the deformation amount is not too large, the extrusion strip 14 on the inner side of the die sleeve 1 is extruded with the elastic sealing sleeve 2, the sliding of the elastic sealing sleeve 2 is avoided to increase the sealing performance.
Specifically, the external diameter of the elastic sealing sleeve 2 is greater than the internal diameter of the die sleeve 1, and the difference between the external diameter of the elastic sealing sleeve 2 and the internal diameter of the die sleeve 1 is 1/5-1/3 of the thickness of the elastic sealing sleeve 2, so that folds caused by deformation of the elastic sealing sleeve 2 can be avoided in extrusion.
The utility model discloses a theory of operation is: the pressure mechanism 3 adopts a hydraulic rod, can simultaneously extrude the die sleeve 1 from two sides and extrude the elastic sealing sleeve 2 on the inner side, thereby increasing the sealing performance between the elastic sealing sleeve 2 and the edge of the concrete test block 100, preventing a medium from flowing out from the space between the concrete test block 100 and the elastic sealing sleeve 2, and exerting pressure on a liquid medium required by a test from the up-down direction to detect the permeability of the concrete test block 100, wherein a first arc part 201, a second arc part 202, an upper arc part 101 and a lower arc part 102 are respectively arranged at two ends of the elastic sealing sleeve 2 and two ends of the die sleeve 1, so that the elastic sealing sleeve 2 can be attached with a smooth arc surface at the corner of the concrete test block 100, the corresponding concrete test block 100 is also subjected to chamfering treatment, so as to avoid the occurrence of an edge angle, can extend from the side surface to the top surface and are in a tight attaching state, and the outer part is an attached upper arc part 101, The lower arc portion 102 is pressed to be more compact.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a sealing device for concrete impermeability test, its characterized in that, installs at the outside die sleeve (1) of elastic sealing cover (2) including the cover establish at the outside elastic sealing cover (2) of concrete test piece (100) and block, the cladding of elastic sealing cover (2) is at the lateral wall of the concrete test piece (100) of round platform form, just the both ends of elastic sealing cover (2) are equipped with first circular arc portion (201) and second circular arc portion (202) respectively, first circular arc portion (201) and second circular arc portion (202) extend to respectively the top and the bottom of concrete test piece (100), and with concrete test piece (100) laminating is sealed, die sleeve (1) are including first half mould (1 a) and second half mould (1 b) of mutual block, the top and the bottom of first half mould (1 a), second half mould (1 b) all are equipped with first half mould (201), The elastic sealing sleeve is characterized by comprising an upper arc portion (101) and a lower arc portion (102) which are matched with each other, wherein the first half die (1 a) and the second half die (1 b) are clamped and attached to the outer wall of the elastic sealing sleeve (2) and extrude the elastic sealing sleeve (2), and pressure mechanisms (3) are arranged at two ends of the first half die (1 a) and the second half die (1 b).
2. The sealing device for concrete impermeability test according to claim 1, wherein the first half-mould (1 a) and the second half-mould (1 b) are two equal semi-circular arc plates.
3. The sealing device for the concrete impermeability test according to claim 1, wherein a crimp seat (11) is provided at the middle position of the outer side wall of each of the first half-mold (1 a) and the second half-mold (1 b), and the output end of the pressure mechanism (3) is inserted into the crimp seat (11).
4. The sealing device for the concrete impermeability test of claim 1, wherein the inner side walls of the upper arc portion (101) and the lower arc portion (102) are provided with an edge extrusion strip (12) and a sawtooth pressing strip (13), the edge extrusion strip (12) and the sawtooth pressing strip (13) are integrally formed with the die sleeve (1), the edge extrusion strip (12) is located at the outer side of the sawtooth pressing strip (13), the edge extrusion strip (12) is in a convex arc shape, and the sawtooth pressing strip (13) is in a sawtooth shape.
5. The sealing device for the concrete impermeability test according to claim 4, wherein the elastic sealing sleeve (2) comprises an elastic medium (21), a transverse pulling rope (22) and a longitudinal pulling rope (23), the transverse pulling rope (22) is uniformly distributed from top to bottom, the longitudinal pulling rope (23) is distributed on the inner side and the outer side of the transverse pulling rope (22), the elastic medium (21) is coated on the outer sides of the transverse pulling rope (22) and the longitudinal pulling rope (23), and the elastic medium (21) is made of rubber or silica gel.
6. The sealing device for the impermeability test of concrete according to claim 1, wherein the inner side wall of the die sleeve (1) is fixedly provided with the extrusion strips (14), and the extrusion strips (14) are distributed along the axis of the die sleeve (1) in a central symmetry manner.
7. The sealing device for the concrete impermeability test of claim 1, wherein the outer diameter of the elastic sealing sleeve (2) is larger than the inner diameter of the die sleeve (1), and the difference between the outer diameter of the elastic sealing sleeve (2) and the inner diameter of the die sleeve (1) is 1/5-1/3 of the thickness of the elastic sealing sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020816412.3U CN212207025U (en) | 2020-05-16 | 2020-05-16 | Sealing device for concrete impermeability test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020816412.3U CN212207025U (en) | 2020-05-16 | 2020-05-16 | Sealing device for concrete impermeability test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212207025U true CN212207025U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020816412.3U Expired - Fee Related CN212207025U (en) | 2020-05-16 | 2020-05-16 | Sealing device for concrete impermeability test |
Country Status (1)
| Country | Link |
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| CN (1) | CN212207025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705842A (en) * | 2022-06-06 | 2022-07-05 | 中建安装集团有限公司 | Simulation monitoring system and method for microbial self-repairing concrete cracks |
-
2020
- 2020-05-16 CN CN202020816412.3U patent/CN212207025U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705842A (en) * | 2022-06-06 | 2022-07-05 | 中建安装集团有限公司 | Simulation monitoring system and method for microbial self-repairing concrete cracks |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 Termination date: 20210516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |