CN211179454U - Concrete impermeability test mould - Google Patents

Abstract

The utility model relates to a concrete impervious examination mould belongs to the experimental mould technical field of concrete, a serial communication port, include: the die comprises a die frame and a die testing chassis, wherein the die frame is formed by horizontally butting at least two sub-die frames, a sliding block is formed on the outer side wall of the bottom of each sub-die frame, the die testing chassis is arranged at the bottom of the die frame and forms a die cavity together with the die frame, a horizontal sliding rail matched with the sliding block is formed on the top surface of the die testing chassis, and a demolding assembly for simultaneously driving each sub-die frame to slide along the direction of the sliding rail is arranged on the die testing chassis; the utility model discloses an adopt the mode of a plurality of submodule mold frames butt joints to realize the fast demoulding through setting up a drawing of patterns subassembly.

Description

Concrete impermeability test mould

Technical Field

The utility model relates to a concrete test mould technical field especially relates to a concrete impermeability test mould.

Background

Different buildings need to adapt to different environments, and some buildings with high anti-permeability requirements need to adopt anti-permeability concrete; the concrete impermeability test mold is a tool for testing the performance of concrete, and concrete in a semi-solidified state is poured into the test mold, the concrete in the test mold is dried at a standard temperature, then the concrete in the test mold is taken out, and the subsequent experiment is carried out on the concrete.

The impervious test mould of concrete that current patent number is CN205607724U discloses includes: the test mold comprises a test mold shell, a detachable sealing piece arranged on the inner side of the test mold shell and a push rod detachably connected to the top of the test mold shell, wherein the test mold shell is a cavity with an opening at the bottom, the bottom end of the test mold shell extends outwards to the periphery to form a test edge, the sealing piece is in a hollow cylindrical shape with an opening at the bottom, and the inner diameter of the sealing piece is equivalent to the outer diameter of a sample; the shell is lifted upwards by rotating the ejector rod, and then manual demoulding is completed.

The existing concrete impermeability test mold has the following defects: an integrated concrete impermeability test die is adopted, a test piece needs to be extracted from the die in the demoulding process, and rapid die filling and demoulding of an impermeability test piece cannot be realized due to large friction force between the die and the test piece; therefore, the existing concrete impermeability test mould can be further improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a concrete impermeability test mould, its mode that adopts a plurality of submodule mold frames butt joints to realize the quick drawing of patterns through setting up a drawing of patterns subassembly.

The above object of the present invention can be achieved by the following technical solutions:

a concrete impermeability test mold comprising: the die comprises a die frame and a die testing chassis, wherein the die frame is formed by horizontally butting at least two sub-die frames, a sliding block is formed on the outer side wall of the bottom of each sub-die frame, the die testing chassis is arranged at the bottom of the die frame and forms a die cavity together with the die frame, the top surface of the die testing chassis is formed by a horizontal sliding rail matched with the sliding block, and a demolding assembly used for driving each sub-die frame to slide along the direction of the sliding rail is arranged on the die testing chassis.

Adopt above-mentioned technical scheme, the framed has two at least submodule framed butt joints to constitute, all the shaping has a sliding block on the lateral wall of every submodule framed bottom to the shaping has the horizontal slide rail of every sliding block looks adaptation on the examination mould chassis top surface, through setting up a drawing of patterns subassembly on trying the mould chassis, can drive every submodule framed outside slip simultaneously and expand and realize the drawing of patterns, and at the in-process of drawing of patterns, can not produce frictional force between mould and the test piece, thereby realize quick drawing of patterns.

Further, the stripper assembly comprises: the mounting base is arranged on the outer side of the die frame and is connected with the top surface of the test die chassis, the pull rods are all slidably arranged in a preset track on the mounting base, each sub-die frame is correspondingly provided with a pull rod, the top end of each pull rod is connected with the corresponding sub-die frame, and a driving mechanism used for driving the pull rods to slide along the direction of the guide rail is arranged in the mounting base.

By adopting the technical scheme, the demoulding assembly comprises the mounting seat, the pull rods and the driving mechanism, the driving mechanism is arranged in the mounting seat, and all the pull rods can be driven by the driving mechanism to slide in the corresponding tracks at the same time, so that the three sub-mould frames can be driven to be expanded outwards at the same time, and the quick demoulding is finished.

Further, the drive mechanism includes: the rotary table is rotatably arranged in the mounting seat, the top surface of the rotary table is connected with the bottom surface of each pull rod through plane threads, the bevel gears are mounted on gear shafts which are preset below the rotary table, racks meshed with the bevel gears are arranged on the bottom surface of the rotary table, and the top ends of the gear shafts penetrate through and are exposed out of the outer wall of the mounting seat.

Adopt above-mentioned technical scheme, actuating mechanism includes carousel, bevel gear, and the carousel rotationally sets up in the mount pad to be connected through plane screw thread between carousel top surface and every pull rod, the carousel bottom surface meshes with bevel gear mutually, can realize the pull rod transmission on the mount pad through rotating bevel gear, can make the transmission more reliable through the mode transmission that adopts mechanical transmission, reduces the probability of makeing mistakes.

Furthermore, a rotating wheel is arranged at the top end of the gear shaft.

By adopting the technical scheme, the rotating wheel is arranged at the top of the gear shaft, so that an operator can rotate the gear shaft conveniently, and the demolding operation is facilitated.

Furthermore, each pull rod is provided with a buffer mechanism.

By adopting the technical scheme, the buffer mechanism is arranged on each pull rod, when the pull rods push the sub-mold frames to be closed, and when the two ends of each pull rod are under large pressure, the buffer component is arranged, so that the pull rods and the mold frames are prevented from being damaged due to large reaction force when the molds are closed, and the safety and the reliability of the test molds are effectively improved.

Furthermore, the butt joint part of two adjacent sub-mould frames is provided with a mould frame ear, and each mould frame ear is provided with a bolt hole.

By adopting the technical scheme, the butt joint parts of the two adjacent sub-mold frames are provided with the mold frame lugs, each mold frame lug is provided with a bolt hole, when the sub-mold frames are assembled, the two adjacent sub-mold frames are connected through the bolts, so that the connection between the two adjacent sub-mold frames is more compact, and the concrete is prevented from flowing out from the gap between the two adjacent sub-mold frames.

Furthermore, each sub-mold frame is made of stainless steel anticorrosive materials.

By adopting the technical scheme, the sub-mold frame can be effectively prevented from being corroded by concrete by adopting a stainless steel anticorrosive material, so that the service life of the anti-seepage test mold is prolonged.

Furthermore, at least one reinforcing rib is formed on the outer side wall of each sub-mold frame.

By adopting the technical scheme, the reinforcing ribs are arranged on the outer side wall of each sub-mold frame, so that the sub-mold frames are more stable by arranging the reinforcing ribs, and the sub-mold frames are prevented from being deformed due to the impact force generated by concrete expansion or a driving mechanism, and the quality of a test piece is influenced.

Furthermore, a plurality of adjustable supporting legs are arranged on the test mold chassis.

By adopting the technical scheme, the adjustable supporting legs are arranged on the test mold chassis, and the extension length of the supporting legs can be adjusted by rotating the supporting legs, so that the anti-seepage test mold is suitable for the uneven workbench.

To sum up, the utility model discloses following beneficial effect has:

(1) the demolding assembly is arranged between the test mold base and the mold frame, and the mold frame can be quickly pulled to be separated from the test piece through the demolding assembly, so that quick demolding is realized;

(2) the reinforcing ribs are arranged on the outer side wall of the sub-mold frame, so that the sub-mold frame is more stable, and the sub-mold frame is prevented from being deformed due to the impact force generated by concrete expansion or a driving mechanism.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the arrangement structure of the driving mechanism of the present invention;

fig. 4 is a schematic sectional structure view of the middle pull rod of the present invention.

Reference numerals: 1. a sub-mold frame; 11. a slider; 2. testing a mold base plate; 31. a mounting seat; 32. a pull rod; 331. a turntable; 332. a bevel gear; 333. a gear shaft; 3331. a rotating wheel; 4. a mold frame ear; 51. a first support bar; 511. stopping is quick; 52. a second support bar; 521. a slider; 53. a pressure spring; 6. reinforcing ribs; 7. support the feet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a concrete impermeability test mold includes: the mold comprises a mold frame, a test mold chassis 2 and a demolding assembly, wherein the mold frame is formed by butting at least two sub-mold frames 1, in the embodiment, the mold frame is formed by butting the front and the back of three sub-mold frames 1, and the three sub-mold frames 1 with the same shape and size surround a circular truncated cone-shaped mold frame together; the test mould chassis 2 is arranged at the bottom of the mould frame and forms a mould cavity for containing concrete together with the mould frame.

Referring to fig. 1 and 2, a sliding block 11 is formed on the outer side wall of the bottom of each sub-mold frame 1, three horizontal sliding rails matched with the sliding blocks 11 are formed on the top surface of the test mold chassis 2, and the three sliding rails are uniformly arranged on the top surface of the test mold chassis 2, that is, an included angle between every two adjacent sliding rails is 120 degrees; the three sliding blocks 11 are driven to slide in the corresponding sliding rails simultaneously through the demoulding components arranged on the test mould chassis 2, so that the three sub-mould frames 1 are driven to be expanded outwards simultaneously, corners of a test piece cannot be damaged in the demoulding process, friction force cannot be generated between the mould and the test piece, and quick demoulding is realized.

Referring to fig. 2 and 3, in the present embodiment, the stripper assembly includes: the test bed comprises a mounting seat 31, three pull rods 32 and a driving mechanism, wherein the mounting seat 31 is of an annular column structure, the mounting seat 31 is arranged outside a mold frame, and the mounting seat 31 is fixedly arranged on the top surface of a test bed 2; three rails are formed on the top surface of the mounting seat 31, the three rails are uniformly arranged on the top surface of the mounting seat 31, and the three rails and the three slide rails are arranged in a one-to-one correspondence manner, namely, the rails and the slide rails which correspond to each other are positioned in the same vertical plane; the three pull rods 32 are respectively and slidably installed in the three tracks, the three pull rods 32 are arranged in one-to-one correspondence with the three sub-mold frames 1, and the top end of each pull rod 32 is fixedly connected with the corresponding sub-mold frame 1; the driving mechanism is disposed in the mounting seat 31, and the driving mechanism can drive the three pull rods 32 to slide in the corresponding tracks at the same time, so as to drive the three sub-mold frames 1 to expand outwards, thereby completing demolding.

Specifically, the drive mechanism includes: a rotary table 331 and a bevel gear 332, wherein the rotary table 331 is rotatably arranged in the mounting seat 31, and a gear shaft 333 of the rotary table 331 is overlapped with the axis of the mounting seat 31; a plane thread is formed on the top surface of the rotary table 331, and the bottom surface of each pull rod 32 is connected with the top surface of the rotary table 331 through the plane thread; at this time, the three pull rods 32 can be in threaded transmission with the rotating disc 331 at the same time by rotating the rotating disc 331, so that the three pull rods 32 all slide synchronously in the corresponding tracks, that is, the three pull rods 32 are simultaneously expanded outwards to drive the three sub-mold frames 1 to be expanded outwards; in this embodiment, a gear shaft 333 is rotatably provided below the turntable 331, a bevel gear 332 is mounted on the gear shaft 333, and the bevel gear 332 is engaged with a rack provided on the bottom surface of the turntable 331; the top end of the gear shaft 333 penetrates and is exposed out of the mounting seat 31, and a rotating wheel 3331 is arranged at the top end of the gear shaft 333; when demoulding is needed, the gear shaft 333 is driven to rotate by rotating the rotating wheel 3331 in the forward direction, so that the bevel gear 332 can be driven to rotate, the rotating disc 331 is driven to rotate in the mounting seat 31, and at the moment, the three pull rods 32 can simultaneously pull the sub-mold frames 1 corresponding to the pull rods to expand outwards; when the mould needs to be closed, the rotating wheel 3331 is rotated reversely, so that the three pull rods 32 can be controlled to simultaneously push the sub-mould frame 1 to be closed and form a mould cavity for containing concrete together with the test mould chassis 2.

Referring to fig. 3 and 4, in the present embodiment, each tie rod 32 is provided with a buffer member, and specifically, each tie rod 32 includes: the sliding device comprises a first supporting rod 51 and a second supporting rod 52, wherein a sliding groove is formed at the top end of the first supporting rod 51 in an inwards recessed mode, a first sliding block 521 in sliding fit with the sliding groove is formed on the side face of the tail end of the second supporting rod 52, and a stop block used for abutting against the first sliding block 521 is arranged at the opening of the sliding groove; the pressure spring 53 is arranged at the bottom of the sliding chute, and the pressure spring 53 pushes the two support rods to drive the first sliding block 521 to abut against the stop block, so that the pull rod 32 has a buffering function; that is, when the pull rod 32 pushes the sub-mold frame 1 to close and the two ends of the pull rod are subjected to large pressure, the tail end of the second supporting rod 52 overcomes the acting force of the compression spring 53, and the first sliding block 521 slides in the sliding groove; by providing the buffer member, the tie bar 32 and the mold frame are prevented from being damaged by a large reaction force during mold clamping.

Referring to fig. 1 and 2, in this embodiment, a mold lug 4 is disposed at a butt joint portion of each of two adjacent sub-mold frames 1, and each mold lug 4 is provided with a bolt hole, when the three sub-mold frames 1 are assembled, the two adjacent sub-mold frames 1 are connected by a bolt, so that the connection between the two adjacent sub-mold frames 1 is more compact, and concrete is prevented from flowing out from a gap between the two adjacent sub-mold frames 1.

In this embodiment, all the shaping has two strengthening ribs 6 on every sub-mould frame 1's the lateral wall, specifically, two strengthening ribs 6 arrange respectively in the top and the bottom of sub-mould frame 1 lateral wall, can make sub-mould frame 1 more firm through setting up strengthening rib 6, avoid leading to sub-mould frame 1 to take place deformation because of the impact force that concrete expansion or actuating mechanism produced to influence the quality of test piece.

In this embodiment, each sub-mold frame 1 is made of a stainless steel anticorrosive material, and the sub-mold frames 1 are prevented from being corroded by concrete by the stainless steel anticorrosive material, so that the service life of the anti-seepage test mold is prolonged.

In this embodiment, three adjustable supporting legs 7 are provided on the testing mold chassis 2, and the extending length of the supporting legs 7 can be adjusted by rotating the supporting legs, so that the impervious testing mold can be horizontally placed on an uneven workbench.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment as required without contribution after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (9)

1. A concrete impermeability test die, comprising: the die frame comprises a die frame body and a die testing chassis (2), wherein the die frame body is formed by horizontally butting at least two sub die frames (1), each sub die frame body (1) is provided with a sliding block (11) on the outer side wall of the bottom of the sub die frame body, the die testing chassis (2) is arranged at the bottom of the die frame body and forms a die cavity together with the die frame body, the top surface of the die testing chassis (2) is formed by horizontal sliding rails matched with the sliding blocks (521), and a demolding assembly used for driving each sub die frame body (1) to slide along the direction of the sliding rails simultaneously is arranged on the die testing chassis (2).

2. The concrete impermeability test die of claim 1, wherein the stripper assembly comprises: mount pad (31), pull rod (32), wherein, mount pad (31) set up in the framed outside and link to each other with examination mould chassis (2) top surface, pull rod (32) all slide to set up in the track that predetermines on mount pad (31), every sub-framed (1) correspondence is equipped with a pull rod (32) to every pull rod (32) top all is connected rather than sub-framed (1) that corresponds, be equipped with in mount pad (31) and be used for the simultaneous drive pull rod (32) are along the gliding actuating mechanism of guide rail direction.

3. The concrete impermeability test die of claim 2, wherein the drive mechanism comprises: the rotary table comprises rotary tables (331) and bevel gears (332), wherein the rotary tables (331) are rotatably arranged in the installation base (31), the top surfaces of the rotary tables (331) are connected with the bottom surfaces of the pull rods (32) through plane threads, the bevel gears (332) are arranged on gear shafts (333) which are preset below the rotary tables (331), racks which are meshed with the bevel gears (332) are arranged on the bottom surfaces of the rotary tables (331), and the top ends of the gear shafts (333) penetrate through and are exposed out of the outer wall of the installation base (31).

4. The concrete impermeability test mold of claim 3, wherein the gear shaft (333) is provided with a rotary wheel (3331) at the top end.

5. A concrete impermeability test mould as claimed in claim 3, wherein a damping mechanism is provided on each tie rod (32).

6. The concrete impermeability test mould according to claim 1, wherein the abutting joint of two adjacent sub-mould frames (1) is provided with a mould frame ear (4), and each mould frame ear (4) is provided with a bolt hole.

7. The concrete impermeability test mould as claimed in claim 1, wherein each sub-mould frame (1) is made of stainless steel corrosion resistant material.

8. The concrete impermeability test mold of claim 1, wherein at least one reinforcing rib (6) is formed on the outer sidewall of each sub-mold frame (1).

9. The concrete impermeability test mould according to claim 1, wherein the test mould chassis (2) is provided with a plurality of adjustable supporting feet (7).

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