CN213779830U

CN213779830U - Impervious laboratory bench of concrete convenient to dismouting

Info

Publication number: CN213779830U
Application number: CN202022397578.9U
Authority: CN
Inventors: 白龙飞; 王彬; 严刚; 刘小会
Original assignee: Chongqing Zhengdao Road And Bridge Engineering Quality Inspection Center Co ltd
Current assignee: Chongqing Zhengdao Road And Bridge Engineering Quality Inspection Center Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-07-23
Anticipated expiration: 2030-10-26

Abstract

The utility model provides a concrete impermeability experiment table convenient to disassemble and assemble, which relates to the technical field of concrete impermeability experiment devices, and comprises an experiment table for spraying high-pressure water and a plurality of test mold pressure disks arranged on the top of the experiment table for compressing test blocks, wherein the top of the experiment table is fixed with a plurality of connecting pipes for providing the high-pressure water, and the test mold pressure disks are connected with the connecting pipes by screw threads; the edge of examination mould pressure disk and the laboratory bench are seted up the locating hole of coaxial line to demountable installation has the locating lever in the locating hole. When using the device to carry out impervious experiment, utilize threaded connection's structure to make the dismouting of device convenient and fast more.

Description

Impervious laboratory bench of concrete convenient to dismouting

Technical Field

The utility model relates to a impervious experimental apparatus's of concrete technical field especially relates to a impervious laboratory bench of concrete convenient to dismouting.

Background

Concrete is a common building raw material in building construction, and when the building construction is carried out on a low-lying place, concrete with better impermeability is generally required to be poured so as to reduce the influence of water seepage on a building framework. When the anti-permeability effect of the concrete is determined, the concrete can be made into a standard frustum-shaped test block, and a special anti-permeability inspection device is adopted for testing and inspection.

According to the application publication number CN111060436A, the mortar impermeability experiment instrument comprises a box body, a workbench, a water storage tank, a sealing ring, a water supply pressure system and a pressure control system, wherein the workbench is fixedly arranged on the box body, the water storage tank is fixedly arranged on the workbench, the sealing ring is fixedly arranged on the inner wall of the water storage tank, the water supply pressure system and the pressure control system are arranged in the box body and used for conveying water into the water storage tank, a test mold tray is detachably arranged on the water storage tank, a test mold pressing plate used for placing a test block is detachably arranged on the test mold tray, a filling layer for preventing water from flowing out from other gaps is arranged between the inner wall of the test mold pressing plate and the outer wall of the test block, and a water permeable hole for the water in the water storage tank to pass through and enter the test mold pressing plate is formed in the test mold tray.

The prior related art has the following technical defects: adopt a plurality of bolted connection between every examination mould pressure disk in this scheme and the laboratory bench, when carrying out impervious experiment to the fashioned concrete test block, be not convenient for dismouting the device.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the scheme provides the concrete impermeability test bed convenient to disassemble and assemble, and the concrete impermeability test bed has the advantage of being convenient to disassemble and assemble test blocks.

According to the embodiment of the utility model, a concrete impermeability experiment table convenient to disassemble and assemble comprises an experiment table for spraying high-pressure water and a plurality of test mold pressing discs arranged on the top of the experiment table for pressing test blocks, wherein the top of the experiment table is fixed with a plurality of connecting pipes for providing the high-pressure water, and the test mold pressing discs are connected with the connecting pipes by screw threads; the edge of examination mould pressure disk and the laboratory bench are seted up the locating hole of coaxial line to demountable installation has the locating lever in the locating hole.

Through the technical scheme, when the concrete test block is installed, the concrete test block is placed in the test mould pressure plate, and the test mould pressure plate is screwed on the connecting pipe in a rotating mode, so that the installation process of the test block is more convenient and faster; after the test block is installed, the positioning rod is inserted into the positioning hole, the possibility that the test die pressing plate rotates under the action of water pressure and becomes loose is reduced, and the device is more reliable.

Preferably, the test die pressure plate is provided with a stepped hole along the axis direction of the connecting pipe, the stepped hole is a through hole, the inner wall of the large end of the stepped hole is provided with an internal thread, and the outer cylindrical surface of the connecting pipe is provided with an external thread matched with the test die pressure plate; the small end of the stepped hole is a taper hole, and the large end of the taper hole is located at the large end of the stepped hole.

Through the technical scheme, the stepped hole can limit the thread stroke of the test die pressure plate, and meanwhile, a sealing element can be conveniently installed at the step of the stepped hole, so that the sealing property between the test die pressure plate and the connecting pipe is better, and the possibility of water seepage is reduced; the taper hole can be more convenient for the installation test block that is detected, can reduce the test block simultaneously and appear breaking away from the possibility that tries the mould pressure disk under hydraulic effort.

Preferably, the stepped hole is internally and detachably provided with a sealing gasket, the sealing gasket is a conical cylindrical elastic component matched with the tapered hole, and an elastic flange is arranged at the large end of the sealing gasket in the circumferential direction away from the rotation axis of the sealing gasket.

Through the technical scheme, when the test block is installed in the prior art, the side face of the test block is coated with the sealing material, and the elastic pad in the scheme can enhance the sealing property between the test block and the taper hole, reduce the possibility that pressurized water flows along the gap between the test block and the taper hole, and reduce the detection cost; the flange arranged at the large end of the elastic cushion can be used for sealing a gap between the die testing pressure plate and the connecting pipe, and the possibility of water leakage between the die testing pressure plate and the connecting pipe is reduced.

Preferably, the test mold pressing disc is a stepped cylindrical member, and a plurality of reinforcing rib plates for reinforcing the structural stability of the test mold pressing disc are arranged at the steps of the outer cylindrical surface of the test mold pressing disc.

Through above technical scheme, the cylindric examination mould pressure disk of ladder can alleviate its self weight, and deep floor has the effect of reinforcing self structural stability for the device is more reliable.

Preferably, install the butt mechanism that is used for butt test block in the connecting pipe, butt mechanism is provided with the butt net including installing the mount at the connecting pipe middle part in one side that the mount is close to the examination mould pressure disk, is fixed with the spring between mount and butt net.

Through above technical scheme, after installing the test block in the examination mould pressure disk, utilize the butt net that is connected with the spring, can be so that the test block keeps the butt state with examination mould pressure disk inner wall for leakproofness between the two is better.

Preferably, the middle part of mount has been seted up the hole of sliding, installs the slide bar at the downthehole slip of sliding, and fixed between slide bar and the butt net.

Through above technical scheme, the locating lever is used for fixing a position the butt net, reduces the butt net and reduces the possibility of skew connecting pipe's axis direction when sliding along the axis direction of connecting pipe for the device is more reliable.

Compared with the prior art, the utility model discloses one of following beneficial effect has at least:

1. the process of assembling and disassembling the test block is more convenient by utilizing the threaded connection structure between the test die pressure plate and the connecting pipe;

2. the detection cost of the detection test block can be reduced by using the sealing gasket arranged in the test mold pressure plate;

3. utilize butt mechanism can be so that test block and examination mould pressure disk are in the butt state all the time for the reliability of device is higher.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is an exploded view between a test platen and a bench;

FIG. 3 is an exploded view of the space between the test platen and the gasket;

fig. 4 is an exploded view of the connection between the abutment mechanism and the connection tube.

In the above drawings: 1. a laboratory bench; 11. a connecting pipe; 2. testing a die pressing plate; 21. positioning holes; 22. a stepped hole; 23. reinforcing rib plates; 3. positioning a rod; 4. a gasket; 41. a flange; 5. an abutting mechanism; 51. a fixed mount; 511. a sliding hole; 52. abutting against the net; 53. a spring; 54. a slide bar.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

The utility model provides a concrete anti-permeability experiment table convenient to dismouting for a plurality of examination mould pressure disks 2 on experiment table 1 are installed to laboratory bench 1 and threaded connection of filling high pressure water, utilize the structure of the threaded connection between examination mould pressure disk 2 and the laboratory bench 1, when carrying out the anti-permeability experiment to the test block, can be so that the dismouting process of test block convenience more.

Referring to fig. 1 and 2, the experiment table 1 is a rectangular housing, the experiment table 1 can be made by welding steel plates, a pressure water supply system and a pressure control system are installed inside the experiment table 1, and the pressure water supply system is provided with a water outlet end.

The top of the experiment table 1 is vertically provided with a plurality of connecting pipes 11, six connecting pipes 11 are adopted here, the connecting pipes 11 are communicated with the water outlet end of a pressure water supply system, the connecting pipes 11 can be made of steel pipes, the connecting pipes 11 and the experiment table 1 can be fixed by bolts or welding, and external threads are formed on the outer cylindrical surface of the connecting pipes 11.

Referring to fig. 2 and 3, examination mould pressure disk 2 is a ladder cylindric component, examination mould pressure disk 2 can adopt the forged steel preparation, a shoulder hole 22 has been seted up along its axis direction on examination mould pressure disk 2, shoulder hole 22 is the through-hole, the main aspects of shoulder hole 22 are located examination mould pressure disk 2's big tip, shoulder hole 22's tip inner wall shaping has the taper hole of coaxial line, the main aspects of taper hole is located shoulder hole 22's main aspects one side, the taper hole can reduce the possibility that the concrete test block breaks away from examination mould pressure disk 2 under the effect of pressure water.

In order to enhance the structural stability of the test mold pressing plate 2, a plurality of reinforcing rib plates 23 are formed on the step part of the outer cylindrical surface of the test mold pressing plate 2; the reinforcing rib plate 23 can be used as a hand-held portion when the trial mold platen 2 is rotated.

The internal thread matched with the connecting pipe 11 is formed inside the large end of the stepped hole 22, after the test die pressing plate 2 is installed, the test die pressing plate 2 is aligned to the connecting pipe 11, and the test die pressing plate 2 can be fastened on the connecting pipe 11 by rotating. For making things convenient for examination mould pressure disk 2 to aim at connecting pipe 11, the shaping of its tip department has arc surface or inclined plane far away from in the main aspects of shoulder hole 22, and arc surface or inclined plane have the effect of self-centering when installing examination mould pressure disk 2, reduce because of the axis of examination mould pressure disk 2 and connecting pipe 11 does not align, cause the inconvenient possibility of installation.

For reducing and to make examination mould pressure disk 2 produce the rotation because of hydraulic effort when experimenting, appear not hard up possibility, set up coaxial line's locating hole 21 on examination mould pressure disk 2's ladder department and laboratory bench 1, demountable installation has the locating lever 3 that is used for reducing examination mould pressure disk 2 and takes place the rotation in locating hole 21, and locating lever 3 can adopt the round steel preparation.

Install elastic sealed pad 4 in the shoulder hole 22 of examination mould pressure disk 2, sealed pad 4 is the awl section of thick bamboo of an adaptation taper hole, and sealed pad 4 adopts the preparation of elastic rubber, compares in current correlation technique, at the scheme of the lateral surface coating sealing material of test block before carrying out impervious experiment to the test block, and sealed pad 4 in this scheme can repetitious usage, has the effect that reduces the detection cost.

The flange 41 is formed on the large end of the gasket 4 in the circumferential direction away from the axis of the gasket, the flange 41 is made of elastic rubber, and the flange 41 and the gasket 4 can be integrally formed. When the test mold platen 2 is mounted on the connection pipe 11, the flange 41 can be used as a seal ring therebetween, and the possibility of reduction in the pressure water pressure in the test can be reduced.

Referring to fig. 4, an abutting mechanism 5 for abutting against a test block is installed in the connecting pipe 11, and the abutting mechanism 5 includes a fixing frame 51 installed in the middle of the connecting pipe 11, an abutting net 52 provided on the side of the fixing frame 51 close to the test mold platen 2, and a spring 53 provided between the fixing frame 51 and the abutting net 52.

The fixing frame 51 is a cross-shaped member, the fixing frame 51 can be made by welding steel bars, the fixing frame 51 can be fixed in the middle of the inner wall of the connecting pipe 11 by welding, a sliding hole 511 is formed in the middle of the fixing frame 51, the sliding hole 511 is a through hole, a sliding rod 54 is installed in the sliding hole 511 in a sliding manner, and the sliding rod 54 can be made of round steel.

The abutting net 52 is a disc-shaped member, a plurality of through holes for water passing are formed in the upper edge of the abutting net 52, and the axes of the through holes are parallel to the rotation axis of the abutting net 52. The abutting net 52 is connected with one end of the sliding rod 54 close to the test die pressing plate 2, the abutting net 52 and the sliding rod 54 can be in threaded connection, the spring 53 is arranged between the abutting net 52 and the fixing frame 51 and penetrates through the sliding rod 54, and the sliding rod 54 can reduce the possibility that the abutting net 52 deviates from the axial direction of the connecting pipe 11 when moving.

When the test mould pressure disk 2 that will install the test block is connected on connecting pipe 11, can be so that the test block is in the butt state all the time between sealed 4 of filling up under the effect of butt mechanism 5 for can keep good seal structure between the two, reduce the pressure water from the test mould pressure disk 2 and the test block between the space outflow the possibility, make the pressure water keep stable pressure value, make the device more reliable.

In order to ensure that the connection between the test die pressing plate 2 and the connecting pipe 11 is more reliable, the threads between the two can adopt rectangular threads, and the possibility of thread failure is reduced.

The application relates to a construction principle of concrete impermeability laboratory bench convenient to dismouting does: install sealed 4 of filling up in examination mould pressure disk 2, will wait to examine again and examine the test block and install in sealed 4 of filling up, also can will wait to examine the test block and place on butt net 52 of butt mechanism 5, will examine mould pressure disk 2 and aim at connecting pipe 11 to rotate examination mould pressure disk 2, will examine mould pressure disk 2 fastening back, insert at locating lever 3 and establish in locating hole 21, can carry out impervious experiment.

During the experiment, the die pressing plate 2 of the test die connected by the screw thread can make the dismounting process of the device more convenient. Under the combined action of the abutting mechanism 5 and the sealing gasket 4, the sealing structure between the test block and the test die pressing plate 2 is more reliable.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a concrete impermeability experiment table convenient to dismouting, includes experiment table (1) that is used for spouting the high pressure water and installs a plurality of examination mould pressure disks (2) that are used for compressing tightly the test block at experiment table (1) top, its characterized in that: a plurality of connecting pipes (11) for providing high-pressure water are fixed at the top of the experiment table (1), and the test die pressing disc (2) is in threaded connection with the connecting pipes (11); the edge of examination mould pressure disk (2) and laboratory bench (1) are seted up coaxial locating hole (21) to demountable installation has locating lever (3) in locating hole (21).

2. The concrete impermeability laboratory bench of claim 1, which is convenient for disassembly and assembly, characterized in that: the die testing pressure plate (2) is provided with a stepped hole (22) along the axis direction of the connecting pipe (11), the stepped hole (22) is a through hole, the inner wall of the large end of the stepped hole (22) is provided with an internal thread, and the outer cylindrical surface of the connecting pipe (11) is provided with an external thread matched with the die testing pressure plate (2); the small end of the stepped hole (22) is a taper hole, and the large end of the taper hole is located at the large end of the stepped hole (22).

3. The concrete impermeability laboratory bench of claim 2, which is convenient for disassembly and assembly, characterized in that: demountable installation has sealed the pad (4) in shoulder hole (22), sealed pad (4) are the awl cylindric elastic component of an adaptation taper hole, and the direction circumference of keeping away from self axis of rotation is provided with elastic flange (41) at its main aspects department orientation.

4. The concrete impermeability laboratory bench of claim 1, which is convenient for disassembly and assembly, characterized in that: the test die pressing plate (2) is a stepped cylindrical component, and a plurality of reinforcing rib plates (23) used for reinforcing the structural stability of the test die pressing plate are arranged at the steps of the outer cylindrical surface of the test die pressing plate.

5. The concrete impermeability laboratory bench of claim 1, which is convenient for disassembly and assembly, characterized in that: install butt mechanism (5) that are used for butt test block in connecting pipe (11), butt mechanism (5) are provided with butt net (52) including installing mount (51) at connecting pipe (11) middle part in one side that mount (51) are close to examination mould pressure disk (2), are fixed with spring (53) between mount (51) and butt net (52).

6. The concrete impermeability laboratory bench of claim 5, which is convenient for disassembly and assembly, characterized in that: the middle part of the fixing frame (51) is provided with a sliding hole (511), a sliding rod (54) is installed in the sliding hole (511) in a sliding mode, and the sliding rod (54) and the abutting net (52) are fixed.