CN210741969U - Concrete impermeability test piece sealing device - Google Patents
Concrete impermeability test piece sealing device Download PDFInfo
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- CN210741969U CN210741969U CN201921585892.0U CN201921585892U CN210741969U CN 210741969 U CN210741969 U CN 210741969U CN 201921585892 U CN201921585892 U CN 201921585892U CN 210741969 U CN210741969 U CN 210741969U
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Abstract
The utility model discloses a concrete impermeability test piece sealing device, including base support and powerful sucking disc, be provided with the resistance that adjusts the temperature on the base support, and adjust the temperature the resistance and be located between fixed stop and the adjustable baffle, the top of base support is provided with the asbestos gauge, and the asbestos gauge is laid in the top of adjusting the temperature the resistance to the asbestos gauge also is located between fixed stop and the adjustable baffle, powerful sucking disc is located the test piece both ends respectively, and powerful sucking disc is located the top of asbestos gauge to be provided with rubber seal between powerful sucking disc and the test piece, powerful sucking disc installs the one end at the roller bearing simultaneously to the other end of roller bearing is connected with the bottom of handle. The concrete impermeability test specimen sealing device is simple in structure, convenient to use, good in sealing effect, low in cost, capable of being repeatedly used, convenient to implement and operate and capable of saving working time.
Description
Technical Field
The utility model relates to a building material detects technical field, specifically is a concrete impermeability test piece sealing device.
Background
With the rapid development of infrastructure, underground concrete structures in expressway, railway tunnel engineering, light rails of urban construction, subways and building engineering are more and more, and the test amount of impervious concrete is increased. For the water penetration resistance test of concrete, the national standard GB/T50082-2009 test method Standard for the long-term performance and the durability of common concrete adopts truncated cone-shaped test pieces with the diameter of an upper opening of 175mm, the diameter of a lower opening of 185mm and the height of 150mm, and each group comprises 6 blocks.
The sealing method for the impervious test piece comprises the following steps: mixing paraffin (with a small amount of rosin) according to a certain proportion, heating in an oven, taking out after the wax is melted, uniformly coating the side surface of a test piece, pressing the test piece into a test mould by using a jack press, and mounting on an impermeability instrument for testing, wherein the general operation methods comprise two methods:
1. the paraffin is placed in a tray, the tray is taken out and placed on the ground where the old newspaper is laid after the paraffin is placed in an oven to be melted, the test piece is in a round table shape, the side surface of the test piece is placed in the tray, the paraffin is not easy to be smeared evenly when the test piece rolls, the sealing effect is not good, the test piece is easy to leak laterally when being arranged on an anti-permeability instrument, and in the process, the top end and the bottom of the test piece are easy to be stuck with the paraffin and are not well;
2. in order to ensure the sealing effect of the test piece, the test piece is vertically placed on the ground, and the brush is used for dipping molten paraffin solution to coat the side face of the test piece, so that the method still has the defects of uneven paraffin coating, labor and time consumption, about 2 hours for coating a group of test pieces, and low detection efficiency. Therefore, a method for improving the unevenness of sealing materials on the side surface of an anti-permeability test piece manually painted, avoiding the leakage of the test piece, improving the success rate of sealing the anti-permeability test piece and improving the efficiency of an anti-permeability test is needed.
Disclosure of Invention
An object of the utility model is to provide a concrete impermeability test piece sealing device to it improves the manual work and applies paint impermeable test piece side sealing material inhomogeneous, experimental easy side leakage, the low problem of detection efficiency with a brush to provide in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a concrete impermeability test piece sealing device, includes base support and powerful sucking disc, be provided with the resistance that adjusts the temperature on the base support, and the resistance that adjusts the temperature is located between fixed stop and the adjustable baffle, the top of base support is provided with the asbestos gauge, and the asbestos gauge is laid in the top of the resistance that adjusts the temperature to the asbestos gauge also is located between fixed stop and the adjustable baffle, powerful sucking disc is located the test piece both ends respectively, and powerful sucking disc is located the top of asbestos gauge to be provided with rubber seal between powerful sucking disc and the test piece, powerful sucking disc installs the one end at the roller bearing simultaneously, and the other end of roller bearing and the bottom of handle are connected.
Preferably, the bottom end of the base support is connected with a fixed support leg and an adjustable support leg, the top end of the base support is provided with a fixed baffle and an adjustable baffle, and an included angle formed between the top end of the adjustable support leg and the bottom end of the fixed support leg is 0-2 degrees.
Preferably, the adjustable baffle is positioned above the fixed support leg, the fixed baffle is positioned above the adjustable support leg, and the distance between the fixed baffle and the adjustable baffle is matched with the width of the tray.
Preferably, the temperature adjusting resistors are uniformly laid on the upper end face of the base support, the upper end face of each temperature adjusting resistor is attached to the lower end face of the asbestos net, and the temperature range of the temperature adjusting resistors is 57-63 ℃.
Preferably, the two powerful suction cups are symmetrically arranged, the diameters of the 2 powerful suction cups are respectively 175mm and 185mm, and the diameters of the powerful suction cups are the same as the diameters of the rubber sealing rings at the corresponding positions.
Preferably, the roller is located at the center of the powerful sucker, the roller is overlapped with the center line of the test piece, and the side face of the test piece is parallel to the handheld position of the handle.
Compared with the prior art, the beneficial effects of the utility model are that: the sealing device for the concrete impermeability test specimen has the advantages of simple structure, convenience in use, good sealing effect, low cost, reusability, convenience in implementation and operation and working time saving;
1. the original sealing method is used for brushing a group of test pieces for about 2 hours, the sealing device is used for brushing a group of test pieces for about 0.5 hour, the working efficiency is improved by 4 times, and the test progress is accelerated;
2. the problem that sealing materials on the side surfaces of the anti-permeability test pieces are not uniform when manually coated is effectively solved, potential safety hazards and test piece leakage are avoided, the success rate of sealing the anti-permeability test pieces is improved, and the anti-permeability test efficiency is improved.
Drawings
FIG. 1 is a schematic view of the operation structure of the truncated cone-shaped test piece of the present invention;
fig. 2 is the schematic diagram of the operation structure of the cylindrical test piece of the present invention.
In the figure: 1. a base support; 11. a fixed leg; 12. an adjustable support leg; 13. fixing a baffle plate; 14. an adjustable baffle; 2. a temperature adjusting resistor; 3. an asbestos web; 4. a powerful sucker; 5. a rubber seal ring; 6. a roller; 7. a handle.
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. 1-2, the present invention provides a technical solution: a sealing device for a concrete impermeability test specimen comprises a base support 1, a fixed support leg 11, an adjustable support leg 12, a fixed baffle 13, an adjustable baffle 14, a temperature-adjusting resistor 2, an asbestos net 3, a strong suction cup 4, a rubber seal ring 5, a rolling shaft 6 and a handle 7, wherein the temperature-adjusting resistor 2 is arranged on the base support 1, the temperature adjusting resistor 2 is positioned between the fixed baffle 13 and the adjustable baffle 14, the asbestos cloth 3 is arranged above the base support 1, the asbestos cloth 3 is laid above the temperature adjusting resistor 2, and the asbestos screen 3 is also positioned between the fixed baffle 13 and the adjustable baffle 14, the strong suction cups 4 are respectively positioned at two ends of the test piece, the strong suction cups 4 are positioned above the asbestos screen 3, and be provided with rubber seal 5 between powerful suction cup 4 and the test piece, powerful suction cup 4 installs the one end at roller bearing 6 simultaneously to the other end of roller bearing 6 is connected with the bottom of handle 7.
The bottom of base support 1 is connected with fixed stabilizer blade 11 and adjustable stabilizer blade 12, and fixed stop 13 and adjustable baffle 14 are installed on the top of base support 1, the contained angle that adjustable stabilizer blade 12 top and the 11 bottom departments of fixed stabilizer blade formed is 0-2, adjustable baffle 14 is located fixed stabilizer blade 11 top, fixed stop 13 is located adjustable stabilizer blade 12 top, and the interval is identical with the width of tray between fixed stop 13 and the adjustable baffle 14, conveniently wrap up in the paraffin operation to round platform shape or columniform test piece.
The temperature adjusting resistors 2 are uniformly laid on the upper end face of the base support 1, the upper end face of the temperature adjusting resistor 2 is attached to the lower end face of the asbestos net 3, and the temperature range of the temperature adjusting resistor 2 is 57-63 ℃.
The strong suction cup 4 symmetry is provided with two, and 2 strong suction cups 4's diameter is 175mm and 185mm respectively, and strong suction cup 4 is the same with the rubber seal 5 diameter that corresponds the position, roller bearing 6 is located the center department of strong suction cup 4, and the central line of roller bearing 6 and test piece overlaps, the side of test piece parallels with the handheld department of handle 7, the convenient to use of sucking disc carries out firm fixed to the test piece, and the manual operation of staff can be made things convenient for in the use of roller bearing 6 and handle 7.
The working principle is as follows: as shown in FIG. 1, the test piece has a truncated cone shape with an upper opening diameter of 175mm, a lower opening diameter of 185mm and a height of 150mm, and comprises the following specific steps:
taking out the test piece from a curing room and drying the test piece one day before the test, and polishing and wiping the side surface of the test piece; placing the base support 1 on a flat ground, wherein an included angle formed by the length of the base support 1, the height of the adjustable support leg 12 and the ground of the fixed support leg 11 is 2 degrees; adjusting the distance of the adjustable baffle 14 according to the width of the tray to enable the tray to be positioned between the fixed baffle 13 and the adjustable baffle 14; after the position of the adjustable baffle 14 is determined, the tray is taken down, the temperature adjusting resistor 2 is installed on the base support 1, and the asbestos cloth 3 is laid on the temperature adjusting resistor; placing paraffin (added with a little rosin in a ratio of 2: 1) in a tray, stably placing the tray on an asbestos net 3, connecting a power supply, turning on a temperature adjusting resistor 2, and controlling the temperature to be 60 +/-3 ℃; strong suction cups 4 with the same diameter are respectively arranged at the top end and the bottom of the test piece, rubber sealing rings 5 are sealed between the top end and the bottom of the test piece and the strong suction cups 4, the diameters of the strong suction cups 4 and the rubber sealing rings 5 at the top end of the test piece and the bottom of the test piece are 175mm, the diameters of the strong suction cups 4 and the rubber sealing rings 5 at the bottom of the test piece are 185mm, when paraffin in the tray is melted, a tester holds a handle 7 parallel to the side face of the test piece by hand, the small-diameter end face of the test piece is towards the direction of the adjustable support leg 12, then the test piece rolls back and forth along.
As shown in fig. 2, when the size of the test piece is a cylinder with the upper and lower diameters and the height both being 150mm (in 1, JTG E30-2005, "highway engineering cement and cement concrete test regulations", the cement concrete impermeability test method is specified, the test piece size is a truncated cone with the upper opening diameter of 175mm, the lower opening diameter of 185mm and the height of 150mm or a cylinder with the upper and lower diameters and the height both being 150mm, and 2, the size of the coring test piece for the field solid concrete impermeability test is a cylinder with the upper and lower diameters and the height both being 150 mm), the concrete steps are as follows:
taking out the test piece from a curing room and drying the test piece one day before the test, and polishing and wiping the side surface of the test piece; placing the base support 1 on a flat ground, wherein the width of the adjustable support leg 12 is the same as the height of the fixed support leg 11, flattening the adjustable support leg 12 towards the fixed support leg 11, and the bottom plate support 1 is parallel to the ground to form an angle of 180 degrees; adjusting the distance of the adjustable baffle 14 according to the width of the tray to enable the tray to be positioned between the fixed baffle 13 and the adjustable baffle 14; after the position of the adjustable baffle 14 is determined, the tray is taken down, the temperature adjusting resistor 2 is installed on the base support 1, and the asbestos cloth 3 is laid on the temperature adjusting resistor 2; placing paraffin (added with a little rosin in a ratio of 2: 1) in a tray, stably placing the tray on an asbestos net 3, connecting a power supply, turning on a temperature adjusting resistor 2, and controlling the temperature to be 60 +/-3 ℃; powerful suction cups 4 are respectively placed at the top end and the bottom of the test piece, rubber sealing rings 5 are additionally sealed between the top end and the bottom of the test piece and the powerful suction cups 4, the diameters of the powerful suction cups 4 and the rubber sealing rings 5 are 150mm, when paraffin in the tray melts, a tester holds a handle 7 parallel to the side face of the test piece by hand, the test piece rolls back and forth along the length direction of the tray, and the side face of the test piece is wrapped by paraffin for 1-2 mm.
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 concrete impermeability test piece sealing device, includes base support (1) and powerful magnetic chuck (4), its characterized in that: be provided with temperature regulation resistance (2) on base support (1), and temperature regulation resistance (2) are located between fixed stop (13) and adjustable baffle (14), the top of base support (1) is provided with asbestos gauge (3), and asbestos gauge (3) are laid in the top of temperature regulation resistance (2) to asbestos gauge (3) also are located between fixed stop (13) and adjustable baffle (14), powerful suction cup (4) are located the test piece both ends respectively, and powerful suction cup (4) are located the top of asbestos gauge (3) to be provided with rubber seal (5) between powerful suction cup (4) and the test piece, the one end in roller bearing (6) is installed in powerful suction cup (4) simultaneously, and the other end of roller bearing (6) is connected with the bottom of handle (7).
2. The sealing device for the concrete impermeability test specimen according to claim 1, wherein: the bottom of base support (1) is connected with fixed stabilizer blade (11) and adjustable stabilizer blade (12), and the top of base support (1) is installed fixed stop (13) and adjustable stop (14), and the contained angle that adjustable stabilizer blade (12) top and fixed stabilizer blade (11) bottom department formed is 0-2.
3. The sealing device for the concrete impermeability test specimen according to claim 2, wherein: the adjustable baffle (14) is positioned above the fixed support leg (11), the fixed baffle (13) is positioned above the adjustable support leg (12), and the distance between the fixed baffle (13) and the adjustable baffle (14) is matched with the width of the tray.
4. The sealing device for the concrete impermeability test specimen according to claim 1, wherein: the temperature-adjusting resistors (2) are uniformly laid on the upper end face of the base support (1), the upper end face of the temperature-adjusting resistor (2) is attached to the lower end face of the asbestos net (3), and the temperature range of the temperature-adjusting resistor (2) is 57-63 ℃.
5. The sealing device for the concrete impermeability test specimen according to claim 1, wherein: the two strong suction cups (4) are symmetrically arranged, the diameters of the 2 strong suction cups (4) are respectively 175mm and 185mm, and the diameters of the strong suction cups (4) are the same as those of the rubber sealing rings (5) at the corresponding positions.
6. The sealing device for the concrete impermeability test specimen according to claim 1, wherein: the roller (6) is positioned at the center of the powerful sucker (4), the roller (6) is overlapped with the center line of the test piece, and the side surface of the test piece is parallel to the handheld position of the handle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921585892.0U CN210741969U (en) | 2019-09-23 | 2019-09-23 | Concrete impermeability test piece sealing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921585892.0U CN210741969U (en) | 2019-09-23 | 2019-09-23 | Concrete impermeability test piece sealing device |
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| CN210741969U true CN210741969U (en) | 2020-06-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744734A (en) * | 2020-07-06 | 2020-10-09 | 安徽理工大学 | A paint device for cylinder concrete mortar test piece |
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2019
- 2019-09-23 CN CN201921585892.0U patent/CN210741969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744734A (en) * | 2020-07-06 | 2020-10-09 | 安徽理工大学 | A paint device for cylinder concrete mortar test piece |
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