CN217862338U - Sample preparation mold for easily-expanded grouting material - Google Patents
Sample preparation mold for easily-expanded grouting material Download PDFInfo
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- CN217862338U CN217862338U CN202221122831.2U CN202221122831U CN217862338U CN 217862338 U CN217862338 U CN 217862338U CN 202221122831 U CN202221122831 U CN 202221122831U CN 217862338 U CN217862338 U CN 217862338U
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Abstract
The utility model discloses a sample preparation mould of an easily expandable grouting material, which can completely lock the sample preparation mould to realize mould assembly through the thread fit of two locking nuts and two threaded rods, so that the inner cavity of a forming cavity is in a completely sealed state to prevent the slurry of the easily expandable grouting material from leaking, and the slurry of the easily expandable grouting material which is rapidly expanded in the forming cavity can be prepared and formed into a sample with the shape completely consistent with that of the inner cavity of the forming cavity; after the easily-expandable grouting material slurry is injected into the forming cavity, the locking of the sample preparation mold can be completed only by installing the gasket, the gland and the two locking nuts, so that the mold assembly can be completed before the rapidly-expandable grouting material leaks out of the forming cavity, and the shape consistency of the sample and the inner cavity of the forming cavity is effectively ensured; by utilizing the matching of the auxiliary mold-closing plug-in and the auxiliary mold-closing rod, the rapid mold closing of the sample preparation mold can be completed by only one worker, the number of test operators is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a mould, specific system appearance mould of easy intumescent grouting material that says so.
Background
Polyurethane material is a new organic high molecular material, usually using prepolymer prepared by polymerization reaction of polyisocyanate and polyhydroxy compound as main agent, and reacting with water to produce grouting material of consolidation body in grouting injection foundation, so that the polyurethane material can be used in building field, besides, the polyurethane material can also be widely used in building material, chemical industry, light industry and other fields. Wherein the polyurethane grouting material rapidly expands in volume after reacting with water, so that it can be used in a building or structure to fill and repair cracks therein; meanwhile, the polyurethane grouting material has good permeability, cohesiveness, waterproofness and the like, so that the polyurethane grouting material can be applied to the fields of water transportation and the like. The method is an important routine test item for testing the mechanical property and the water-swelling rate of the polyurethane grouting material, and is also an important means for mastering the basic property of the polyurethane grouting material. The sample preparation method has the following problems that when the sample is prepared by utilizing the existing sample preparation mold, the volume of the polyurethane grouting material can expand rapidly after reacting with water, the existing sample preparation mold needs to be matched by a plurality of persons, but the sample preparation mold is still difficult to be locked completely, the success rate of sample preparation is low, the product quality is poor, and the test result is influenced. Therefore, it is urgently needed to design a mold which can be simply and conveniently used for preparing samples of easily-expandable grouting materials such as polyurethane grouting materials, so as to improve the accuracy of the test results of the compressive strength and the water-swelling rate of the easily-expandable grouting materials and improve the working efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a system appearance mould of easy expanding type grouting material to solve current system appearance mould and have the speed of compound die slow, need many people cooperation just can reliably compound die the problem.
Solve the technical problem, the utility model discloses the technical scheme who adopts as follows:
a sample preparation mold for an easily expandable grouting material is characterized by comprising: the device comprises a base, a forming cavity, a gland, two locking nuts, an auxiliary die assembly plug-in and an auxiliary die assembly rod;
the top surface of the base is provided with a base groove and two base jacks symmetrically arranged about the center point of the base groove, the bottom surface of the base groove is tiled with a lower gasket, the base is rotatably connected with the lower ends of two threaded rods, and the rotation axes of the two threaded rods are symmetrically arranged about the connecting line of the center points of the base groove and the two base jacks;
the upper end and the lower end of the forming cavity are both open, two forming cavity jacks which are arranged in an axisymmetrical manner are arranged on the outer side wall of the forming cavity, and the lower end of the forming cavity is embedded in the base groove and pressed on the lower gasket, so that the two forming cavity jacks are coaxial with the two base jacks respectively;
the bottom surface of the gland is provided with a gland groove, the bottom surface of the gland groove is flatly paved with an upper gasket, the side surface of the gland is provided with two gland clamping grooves which are symmetrically arranged about the center point of the gland groove, and the upper end of the forming cavity is embedded in the gland groove and pressed on the upper gasket, so that the upper ends of the two threaded rods can be respectively clamped into the two gland clamping grooves after being rotated upwards;
the locking nuts are composed of nut bodies and auxiliary rings connected to the top surfaces of the nut bodies, and the nut bodies of the two locking nuts can be matched with the parts of the two threaded rods, which extend upwards to the positions above the clamping grooves of the gland, in a threaded manner and are pressed on the top surface of the gland;
the auxiliary mold closing plug-in unit consists of a holding section, a connecting section and two plug-in rod sections, wherein the holding section is connected to the middle part of the connecting section, the two plug-in rod sections are respectively connected to two ends of the connecting section, and the two plug-in rod sections can be respectively inserted into two groups of coaxial molding cavity jacks and base jacks from top to bottom;
the end of the auxiliary mold clamping rod can penetrate through the auxiliary ring of the locking nut.
Therefore, the utility model discloses a mode of use as follows:
firstly, smearing a base groove, a gland groove, a forming cavity inner wall, a lower gasket and an upper gasket with an isolating agent which does not react with an expansive type grouting material;
secondly, completing the installation among the base, the lower gasket, the molding cavity and the auxiliary mold closing insert, wherein the upper ends of the two threaded rods are required to be lifted in advance so as not to be blocked by the auxiliary mold closing insert; injecting the easily-expanded grouting material slurry which is stirred into the molding cavity, and then completing the installation of the upper gasket and the gland; the upper gasket and the lower gasket are used for enhancing the sealing performance of the sample preparation mold and facilitating later-stage mold removal;
then, the upper ends of the two threaded rods are rotated upwards to be clamped into the two gland clamping grooves respectively, and then the nut bodies of the two locking nuts are in threaded connection with the parts of the two threaded rods extending upwards to the positions above the gland clamping grooves respectively;
finally, a worker holds the holding section of the auxiliary mold closing insert by one hand and holds one end of the auxiliary mold closing rod by the other hand, the other end of the auxiliary mold closing rod penetrates through an auxiliary ring of one of the lock nuts, and the worker forcibly rotates the holding section of the auxiliary mold closing insert and the auxiliary mold closing rod in opposite directions, namely, one rotates clockwise and the other rotates anticlockwise, so that the lock nut is screwed by the auxiliary mold closing rod while the base and the forming cavity are stabilized by the auxiliary mold closing insert, and the nut body of the lock nut is completely screwed; and after the other locking nut is completely screwed in the same way, the sample making mold can be completely locked to realize mold closing, so that the inner cavity of the molding cavity is in a completely sealed state to prevent the slurry of the easily-expandable grouting material from leaking, and the slurry of the easily-expandable grouting material which rapidly expands in the molding cavity can be prepared and molded into a sample which is completely consistent with the shape of the inner cavity of the molding cavity, so that the sample can be used for detecting the easily-expandable grouting material, and the detection accuracy of the precisely-molded sample can be realized.
In addition, after the sample is formed in the forming cavity, the mold opening of the sample making mold can be completed by reversely screwing the locking nut, the upper end and the lower end of the forming cavity are both open and can be completely separated from the base and the gland, and the demolding of the sample can be facilitated.
Therefore, the utility model discloses can be through the screw-thread fit of two lock nuts and two threaded rods, can lock system appearance mould completely and realize the compound die, make the inner chamber of shaping chamber be in the totally enclosed state in order to prevent that the easily expanded type grouting material slurry from leaking, ensure that the easily expanded type grouting material slurry of the quick inflation in the shaping chamber can be prepared the shaping and be the sample that is completely unanimous with shaping intracavity chamber shape, in order to be used for the detection of easily expanded type grouting material;
and, the utility model discloses after pouring into the easily expanding type grouting material slurry into the shaping intracavity, only need install gasket, gland, two lock nuts can accomplish the lock of system appearance mould and die, also the compound die of system appearance mould is fast, can ensure that the easily expanding type grouting material of quick inflation can accomplish the compound die promptly before leaking outside the shaping chamber, effectively guaranteed the shape uniformity of sample with the shaping chamber inner chamber, promoted the success rate of system appearance;
moreover, the utility model utilizes the matching of the auxiliary mold-closing plug-in and the auxiliary mold-closing rod, and only one worker is needed to complete the rapid mold closing of the sample-making mold, thereby reducing the number of test operators and improving the working efficiency;
to sum up, the utility model has the advantages of simple structure is reliable with low costs, use easy operation, easy to get on hand, have the compound die fast, only need a staff can use.
Preferably, the following components: the base is symmetrically provided with two rotating shafts, and the lower ends of the two threaded rods are respectively and vertically fixedly connected with the two rotating shafts.
Preferably: the forming cavity is a round pipe, and the base groove and the gland groove are both circular grooves matched with the round pipe.
Preferably: the upper gasket and the lower gasket are made of rubber or silica gel materials; other components of the sample preparation mould are made of metal materials.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses can be through the screw-thread fit of two lock nuts and two threaded rods, can lock the system appearance mould completely and realize the compound die, make the inner chamber of shaping chamber in the totally enclosed state in order to prevent that the easily expanded type grouting material slurry from leaking, ensure that the easily expanded type grouting material slurry of the quick inflation in the shaping chamber can be prepared and shaped into the sample that is completely unanimous with shaping intracavity chamber shape, in order to be used for the detection of easily expanded type grouting material;
and, the utility model discloses after pouring into the easily expanding type grouting material slurry into the shaping intracavity, only need install gasket, gland, two lock nuts can accomplish the lock of system appearance mould and die, also the compound die of system appearance mould is fast, can ensure that the easily expanding type grouting material of quick inflation can accomplish the compound die promptly before leaking outside the shaping chamber, effectively guaranteed the shape uniformity of sample with the shaping chamber inner chamber, promoted the success rate of system appearance;
moreover, the utility model utilizes the matching of the auxiliary mold-closing plug-in and the auxiliary mold-closing rod, and only one worker is needed to complete the rapid mold closing of the sample-making mold, thereby reducing the number of test operators and improving the working efficiency;
to sum up, the utility model has the advantages of simple structure is reliable with low costs, use easy operation, easy to get on hand, have the compound die fast, only need a staff can use.
Drawings
The invention will be described in further detail with reference to the following drawings and specific embodiments:
fig. 1 is a schematic structural view of a sample preparation mold of the present invention;
FIG. 2 is a schematic cross-sectional view of a sample preparation mold according to the present invention;
fig. 3 is a schematic view of the middle base and the threaded rod of the present invention in the state of opening the die;
fig. 4 is a schematic structural view of the auxiliary insert for intermediate mold closing of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings to help those skilled in the art better understand the concept of the present invention, however, the protection scope of the claims of the present invention is not limited to the following embodiments, and for those skilled in the art, all other embodiments obtained without making creative work without departing from the concept of the present invention belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the utility model discloses a system appearance mould of easy expanding type grouting material, include: the device comprises a base 1, a forming cavity 2, a gland 3, two locking nuts 9, an auxiliary mold closing plug-in 4 and an auxiliary mold closing rod 5;
the top surface of the base 1 is provided with a base groove 1a and two base jacks 1b which are symmetrically arranged about the central point of the base groove 1a, the bottom surface of the base groove 1a is tiled with a lower gasket 7, the base 1 is rotatably connected with the lower ends of two threaded rods 6, and the rotation axes of the two threaded rods 6 are symmetrically arranged about the central point connecting line of the base groove 1a and the two base jacks 1 b;
the upper end and the lower end of the forming cavity 2 are both open, two forming cavity jacks 2a which are arranged in an axisymmetrical manner are arranged on the outer side wall of the forming cavity 2, and the lower end of the forming cavity 2 is embedded in the base groove 1a and pressed on the lower gasket 7, so that the two forming cavity jacks 2a are respectively coaxial with the two base jacks 1 b;
a gland groove 3a is formed in the bottom surface of the gland 3, an upper gasket 8 is flatly laid on the bottom surface of the gland groove 3a, two gland clamping grooves 3b which are symmetrically arranged about the center point of the gland groove 3a are formed in the side surface of the gland 3, the upper end of the forming cavity 2 is embedded in the gland groove 3a and pressed on the upper gasket 8, and the upper ends of the two threaded rods 6 can be clamped into the two gland clamping grooves 3b respectively after being rotated upwards;
the locking nuts 9 are composed of nut bodies 9-1 and auxiliary rings 9-2 connected to the top surfaces of the nut bodies 9-1, and the nut bodies 9-1 of the two locking nuts 9 can be matched with the part of the two threaded rods 6 which upwards extend to the upper part of the gland clamping grooves 3b in a threaded manner and are pressed on the top surfaces of the glands 3;
the mold closing auxiliary plug-in component 4 consists of a holding section 4-1, a connecting section 4-2 and two plug rod sections 4-3, wherein the holding section 4-1 is connected to the middle part of the connecting section 4-2, the two plug rod sections 4-3 are respectively connected to two ends of the connecting section 4-2, and the two plug rod sections 4-3 can be respectively inserted into two groups of forming cavity jacks 2a and base jacks 1b which are in a coaxial state from top to bottom;
the end of the auxiliary mold clamping rod 5 can pass through the auxiliary ring 9-2 of the lock nut 9.
Therefore, the utility model discloses a mode of use as follows:
firstly, smearing a base groove 1a, a gland groove 3a, the inner wall of a forming cavity 2, a lower gasket 7 and an upper gasket 8 with a separant which does not react with an expansive type grouting material;
secondly, completing the installation among the base 1, the lower gasket 7, the forming cavity 2 and the auxiliary die-closing insert 4, wherein the upper ends of the two threaded rods 6 are required to be lifted in advance so as not to be blocked by the auxiliary die-closing insert 4; then injecting the easily-expanded grouting material slurry which is stirred into the molding cavity 2, and then completing the installation of the upper gasket 8 and the gland 3; the upper gasket 8 and the lower gasket 7 are used for enhancing the sealing performance of the sample preparation mold and facilitating later-stage mold removal;
then, the upper ends of the two threaded rods 6 are rotated upwards to be clamped into the two gland clamping grooves 3b respectively, and then the nut bodies 9-1 of the two locking nuts 9 are in threaded connection with the parts of the two threaded rods 6 extending upwards to be above the gland clamping grooves 3b respectively;
finally, a worker holds the holding section 4-1 of the auxiliary mold clamping insert 4 with one hand and holds one end of the auxiliary mold clamping rod 5 with the other hand, the other end of the auxiliary mold clamping rod 5 penetrates through the auxiliary ring 9-2 of one of the lock nuts 9, the worker forcibly rotates the holding section 4-1 of the auxiliary mold clamping insert 4 and the auxiliary mold clamping rod 5 in opposite directions, namely, one rotates clockwise and the other rotates anticlockwise, so that the auxiliary mold clamping insert 4 is used for stabilizing the base 1 and the forming cavity 2, and simultaneously, the auxiliary mold clamping rod 5 is used for screwing the lock nut 9, and the nut body 9-1 of the lock nut 9 is completely screwed; and after the other locking nut 9 is completely screwed in the same way, the sample making mold can be completely locked to realize mold closing, so that the inner cavity of the molding cavity 2 is in a completely sealed state to prevent slurry of the easily-expandable grouting material from leaking, and the rapidly-expanded easily-expandable grouting material slurry in the molding cavity 2 can be prepared and molded into a sample with the shape completely consistent with that of the inner cavity of the molding cavity 2, so that the sample can be used for detecting the easily-expandable grouting material, and the accuracy of detection of the precisely-molded sample can be realized.
In addition, after the sample is formed in the forming cavity 2, the mold opening of the sample preparation mold can be completed by reversely screwing the locking nut 9, the upper end and the lower end of the forming cavity 2 are both open and can be completely separated from the base 1 and the gland 3, and the demolding of the sample can be facilitated.
Therefore, the utility model discloses can be through the screw-thread fit of two lock nuts 9 and two threaded rods 6, can lock system appearance mould completely and realize the compound die for the inner chamber of one-tenth die cavity 2 is in the totally enclosed state in order to prevent that the easily expanded type grouting material slurry from leaking, ensures that the easily expanded type grouting material slurry of quick inflation in one-tenth die cavity 2 can be prepared the shaping and be the sample that is completely unanimous with one-tenth die cavity 2 inner chamber shape, in order to be used for easily expanded type grouting material's detection;
and, the utility model discloses after injecting into the easily expanding type grouting material slurry in to shaping chamber 2, only need install gasket 8, gland 3, two lock nuts 9 and can accomplish the lock of system appearance mould extremely, also the compound die of system appearance mould is fast, can ensure that the easily expanding type grouting material of quick inflation can accomplish the compound die promptly before leaking outside shaping chamber 2, has effectively guaranteed the shape uniformity of sample and shaping chamber 2 inner chamber, has promoted the success rate of system appearance;
moreover, the utility model utilizes the matching of the auxiliary mold-closing plug-in 4 and the auxiliary mold-closing rod 5, and only one worker is needed to complete the rapid mold closing of the sample-making mold, thereby reducing the number of test operators and improving the working efficiency;
to sum up, the utility model has the advantages of simple structure is reliable with low costs, use easy operation, easy to get on hand, have the compound die fast, only need a staff can use.
The above is the basic embodiment of the present invention, and further optimization, improvement and limitation can be made on the basis of the basic embodiment:
preferably: two rotating shafts 10 are symmetrically arranged on the base 1, and the lower ends of the two threaded rods 6 are respectively and vertically fixedly connected with the two rotating shafts 10.
Preferably: the forming cavity 2 is a round pipe, and the base groove 1a and the gland groove 3a are round grooves matched with the round pipe.
Preferably: the upper gasket 8 and the lower gasket 7 are made of rubber or silica gel; and other components of the sample preparation mould are made of metal materials.
The present invention is not limited to the above embodiments, and according to the above contents, according to the common technical knowledge and the conventional means in the field, without departing from the basic technical idea of the present invention, the present invention can also make other equivalent modifications, replacements or changes in various forms, all falling within the protection scope of the present invention.
Claims (4)
1. A kind of mould of making of easy expanding type grouting material, characterized by, including: the device comprises a base (1), a forming cavity (2), a gland (3), two locking nuts (9), an auxiliary mold closing plug-in (4) and an auxiliary mold closing rod (5);
the top surface of the base (1) is provided with a base groove (1 a) and two base jacks (1 b) which are symmetrically arranged about the central point of the base groove (1 a), the bottom surface of the base groove (1 a) is tiled with a lower gasket (7), the base (1) is rotatably connected with the lower ends of two threaded rods (6), and the rotation axes of the two threaded rods (6) are symmetrically arranged about the connecting line of the central points of the base groove (1 a) and the two base jacks (1 b);
the upper end and the lower end of the forming cavity (2) are both open, two forming cavity jacks (2 a) which are axially symmetrically arranged are arranged on the outer side wall of the forming cavity (2), and the lower end of the forming cavity (2) is embedded in the base groove (1 a) and pressed on the lower gasket (7), so that the two forming cavity jacks (2 a) are coaxial with the two base jacks (1 b) respectively;
a gland groove (3 a) is formed in the bottom surface of the gland (3), an upper gasket (8) is flatly laid on the bottom surface of the gland groove (3 a), two gland clamping grooves (3 b) which are symmetrically arranged about the center point of the gland groove (3 a) are formed in the side surface of the gland (3), the upper end of the forming cavity (2) is embedded in the gland groove (3 a) and pressed on the upper gasket (8), and the upper ends of the two threaded rods (6) can be clamped into the two gland clamping grooves (3 b) respectively after being rotated upwards;
the locking nuts (9) are composed of nut bodies (9-1) and auxiliary rings (9-2) connected to the top surfaces of the nut bodies (9-1), and the nut bodies (9-1) of the two locking nuts (9) can be matched with the part of the two threaded rods (6) which upwards extend to the position above the gland clamping groove (3 b) in a threaded manner and are pressed on the top surface of the gland (3);
the auxiliary mold closing plug-in (4) consists of a holding section (4-1), a connecting section (4-2) and two plug-in rod sections (4-3), the holding section (4-1) is connected to the middle of the connecting section (4-2), the two plug-in rod sections (4-3) are respectively connected to two ends of the connecting section (4-2), and the two plug-in rod sections (4-3) can be respectively inserted into two groups of forming cavity jacks (2 a) and base jacks (1 b) which are in a coaxial state from top to bottom;
the end part of the auxiliary mold closing rod (5) can penetrate through an auxiliary ring (9-2) of the locking nut (9).
2. The mold for preparing a sample of an expandable grouting material as claimed in claim 1, wherein: the base (1) is symmetrically provided with two rotating shafts (10), and the lower ends of the two threaded rods (6) are respectively and vertically fixedly connected with the two rotating shafts (10).
3. The sampling mold for the easily expandable grouting material according to claim 1 or 2, wherein: the forming cavity (2) is a round pipe, and the base groove (1 a) and the gland groove (3 a) are round grooves matched with the round pipe.
4. The sampling mold for the easily expandable grouting material according to claim 1 or 2, wherein: the upper gasket (8) and the lower gasket (7) are made of rubber or silica gel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221122831.2U CN217862338U (en) | 2022-05-11 | 2022-05-11 | Sample preparation mold for easily-expanded grouting material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221122831.2U CN217862338U (en) | 2022-05-11 | 2022-05-11 | Sample preparation mold for easily-expanded grouting material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217862338U true CN217862338U (en) | 2022-11-22 |
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ID=84089608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221122831.2U Active CN217862338U (en) | 2022-05-11 | 2022-05-11 | Sample preparation mold for easily-expanded grouting material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217862338U (en) |
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2022
- 2022-05-11 CN CN202221122831.2U patent/CN217862338U/en active Active
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