CN212218825U

CN212218825U - A shedder for concrete test block impermeability test

Info

Publication number: CN212218825U
Application number: CN202020211374.9U
Authority: CN
Inventors: 王中良; 范志勇; 郑青
Original assignee: Suzhou Concrete & Cement Products Research Institute Testing Center Co ltd
Current assignee: Suzhou Concrete & Cement Products Research Institute Testing Center Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-12-25
Anticipated expiration: 2030-02-25

Abstract

The utility model relates to a demoulding device for impermeability test of concrete test block, which comprises a supporting component, a transmission component and a mandril; the supporting assembly comprises a bottom plate and a box body, and the box body is arranged on the bottom plate; the transmission assembly comprises a first gear and a transmission shaft, the first gear is inserted on the transmission shaft, the transmission shaft is inserted on the side wall of the box body, a sliding hole is formed in one side, away from the first gear, of the transmission shaft, and a pull rod is arranged in the sliding hole; the ejector rod is a rack, the ejector rod is inserted into one side, close to the bottom plate, of the box body, and the ejector rod is meshed with the first gear. The utility model discloses have the effect that makes things convenient for the concrete test block to deviate from in the mould after impervious capability test.

Description

A shedder for concrete test block impermeability test

Technical Field

The utility model belongs to the technical field of the impervious capability test of concrete test block and specifically relates to a shedder for concrete test block impermeability test is related to.

Background

At present, the publication No. CN202462573U discloses an asphalt concrete impermeability test mold, which belongs to a test mold used for asphalt concrete impermeability test. The lower annular connector is provided with a concrete impermeability instrument connecting hole; the test mould main part is inside from the bottom up, is pressure-bearing storehouse, test piece storehouse, last pressure-bearing storehouse down respectively, and the inside test piece storehouse of main part is big end down's wedge structure.

The existing anti-permeability test mould needs to be pulled out of the anti-permeability test mould after the concrete test block anti-permeability performance test is finished, and the prior art needs a tester to manually pull out the anti-permeability test block from the anti-permeability test mould, so that the defects that the demoulding process is complicated, the efficiency is low, and the risk of damaging the anti-permeability test mould exists.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a demoulding device for the impermeability test of a concrete test block; the method has the advantage that the concrete test block can be conveniently separated from the mould after the impermeability test is finished.

The above object of the present invention is achieved by the following technical solutions: a demoulding device for impermeability test of a concrete test block comprises a supporting component, a transmission component and an ejector rod;

the supporting assembly comprises a bottom plate and a box body, and the box body is arranged on the bottom plate;

the transmission assembly comprises a first gear and a transmission shaft, the first gear is inserted on the transmission shaft, the transmission shaft is inserted on the side wall of the box body, a sliding hole is formed in one side, away from the first gear, of the transmission shaft, and a pull rod is arranged in the sliding hole;

the ejector rod is a rack, the ejector rod is inserted into one side, close to the bottom plate, of the box body, and the ejector rod is meshed with the first gear.

Through adopting above-mentioned technical scheme, the bottom plate is used for installing the box, and the box is used for supporting ejector pin and drive assembly, and the transmission shaft is used for the transmission, and first gear is used for the transmission, and the pull rod is used for transmitting the manpower drive transmission shaft, and the ejector pin is used for ejecting impervious examination mould with impervious test block. The box body is welded on the bottom plate, the pull rod is pulled, the pull rod drives the transmission shaft to rotate, the transmission shaft transmits to drive the first gear to rotate, the first gear rotates to drive the ejector rod to move downwards, and the pull rod is a labor-saving lever, so that the anti-seepage test block can be demoulded with small force, the labor is simplified, and the efficiency is improved.

The present invention may be further configured in a preferred embodiment as: the box is characterized in that a partition plate is arranged on one side, close to the bottom plate, of the box body, the first gear is a bevel gear, a worm is vertically arranged on one side, close to the bottom plate, of the box body, the worm is connected with the partition plate in a rotating mode, a second gear is arranged at one end, far away from the bottom plate, of the worm, the second gear is a bevel gear, the first gear is meshed with the second gear, a rotating shaft is arranged in the box body, a worm wheel is arranged on the rotating shaft and meshed with the worm, a third gear is arranged on the rotating shaft and coaxially arranged with the worm wheel, and the.

Through adopting above-mentioned technical scheme, the worm is used for driving the worm wheel, and the second gear is used for being connected with first gear and carries out the transmission, and the worm is used for being connected with worm wheel and ejector pin and carries out the transmission. First gear and second gear meshing, two bevel gears transmit and turn to, and the second gear drives the worm and rotates, and the worm drives the worm wheel and rotates, and the third gear carries out synchronous drive, and the ejector pin descends, and the resistance oozes the test block and demolds, and the cooperation of worm wheel and worm promotes the stability of structure, and the device operation is more steady, prevents that the mould from damaging at the drawing of patterns in-process.

The present invention may be further configured in a preferred embodiment as: the improved gear box is characterized in that a ratchet wheel is arranged on the outer side wall of the box body, the ratchet wheel is inserted into the transmission shaft, a blocking box is arranged on the outer side wall of the box body, the ratchet wheel is arranged in the blocking box, a stop block is arranged in the blocking box and is rotatably connected with the box body, one end, far away from the blocking box, of the stop block abuts against the ratchet wheel, a spring is arranged on the side wall of the stop block, and the spring abuts against the.

Through adopting above-mentioned technical scheme, the ratchet is used for with the dog butt, and the baffle box is used for preventing that the foreign matter is drawn into and the installation spring, and the dog is used for preventing the ratchet reversal, and the spring is used for guaranteeing dog and ratchet butt. The gear box prevents foreign matters from being involved in the ratchet wheel, and the safety of operation is ensured; the dog rotates with the box to be connected, and the dog guarantees that ratchet unidirectional rotation restraines the ratchet reversal, and the dog butt ratchet is guaranteed to the spring, can not abandon to the utmost because of midway interrupt lead to the drawing of patterns process before the dog guarantees drawing of patterns operation with the spring cooperation, hoisting device's drawing of patterns efficiency.

The present invention may be further configured in a preferred embodiment as: the stop block is V-shaped, the two springs are arranged on two sides of the stop block respectively, a shifting block is arranged on the stop block and is rotatably connected with the box body, and the shifting block is abutted against the side wall of one side, far away from the spring, of the stop block.

Through adopting above-mentioned technical scheme, the dog of V font can be controlled turning to of ratchet, and the spring setting is on the both sides of V font, spring butt dog and fender case, and shifting block eccentric rotation connects on the box, stirs shifting block control dog both ends and ratchet butt, and then control ratchet turns to, prevents that the drawing of patterns process from leading to the previous work to abandoning because of midway interruption, promotes drawing of patterns efficiency.

The present invention may be further configured in a preferred embodiment as: the punch is arranged at one end, close to the bottom plate, of the ejector rod, and the reinforcing rib is arranged at one side, close to the ejector rod, of the punch.

By adopting the technical scheme, the punch is used for increasing the contact area with the concrete impermeability test block, and the reinforcing ribs are used for prolonging the service life of the punch; the contact area of drift increase butt makes impervious test block contact stress even, prevents the impaired of impervious test block or examination mould.

The present invention may be further configured in a preferred embodiment as: the baffle is equipped with the guide frame near bottom plate one side, the ejector pin slides and sets up in the guide frame.

Through adopting above-mentioned technical scheme, the guide frame is used for leading to the ejector pin, and the guide frame guarantees that ejector pin effort direction is vertical downwards, prevents that the ejector pin tilting gearing is impaired, extension fixture life.

The present invention may be further configured in a preferred embodiment as: the top of the box body is provided with a vertical downward guide sleeve, and the ejector rod is arranged in the guide sleeve in a sliding manner.

Through adopting above-mentioned technical scheme, the guide sleeve is used for leading to the ejector pin, guarantees that the ejector pin effort is downward, prevents that the device is impaired, extension device life.

The present invention may be further configured in a preferred embodiment as: a plurality of positioning holes are formed in one side, close to the box body, of the bottom plate, and positioning pins are arranged in the positioning holes.

Through adopting above-mentioned technical scheme, the locating hole is used for fixing a position with the examination mould, and the locating pin is used for fixing examination mould and bottom plate, guarantees the accuracy of examination mould atress, prevents that the examination mould from sliding the damage that causes the examination mould at drawing of patterns in-process.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the labor-saving levers of the pull rod and the ratchet wheel improve the demolding efficiency when the anti-seepage test block is subjected to demolding, and the transmission lifting devices of the three gears and the transmission shaft are stable in transmission, so that the test mold is protected from being damaged in the demolding process;

2. be equipped with guide frame and uide bushing on the box, guide the ejector pin, guarantee that impervious test block atress is even.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present embodiment;

FIG. 3 is a schematic view of the ratchet connection.

In the figure, 1, a support assembly; 2. a box body; 3. a base plate; 4. a transmission assembly; 5. a drive shaft; 6. a first gear; 7. a top rod; 8. positioning pins; 9. positioning holes; 10. a pull rod; 11. a punch; 12. reinforcing ribs; 13. a guide frame; 14. a gear box; 15. a stopper; 16. shifting blocks; 17. a ratchet wheel; 18. a worm; 19. a worm gear; 20. a second gear; 21. a guide sleeve; 22. a spring; 23. a connecting shaft; 24. a handle; 25. anti-seepage testing the mold; 26. an anti-permeability test block; 27. a rotating shaft; 28. a third gear; 29. a sliding hole; 30. a separator.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a shedder for concrete test block impermeability test, including supporting component 1, drive assembly 4 and ejector pin 7. The supporting assembly 1 comprises a bottom plate 3 and a box body 2, the box body 2 is welded on one side of the length direction of the bottom plate 3, a partition plate 30 is welded on one side, close to the bottom plate 3, in the box body 2, an opening for placing an anti-seepage test mold 25 is formed in one side of the box body 2, the bottom plate 3 is fixed on the ground by penetrating through the bottom plate 3 through bolts, a discharge hole for falling of an anti-seepage test block 26 penetrates through the bottom plate 3, positioning holes 9 are formed in the bottom plate 3, the positioning holes 9 are uniformly arranged along the circumferential direction of the discharge hole, the positioning holes 9 and mounting holes in the anti-seepage test mold 25 are coaxially arranged, positioning pins 8 are clamped in the positioning holes; the mandril 7 is vertically inserted on the box body 2. The bottom plate 3 is fixed on the ground by bolts, the box body 2 is provided with a transmission component 4 for transmitting the mandril 7, and the mandril 7 resists the seepage test block 26 for demoulding.

Referring to fig. 1 and 2, the transmission assembly 4 includes a first gear 6 and a transmission shaft 5, a bearing is connected to a side wall of the box body 2, the transmission shaft 5 is inserted into the bearing, the first gear 6 is inserted into the transmission shaft 5, the first gear 6 is a bevel gear, and the first gear 6 is arranged on one side of the transmission shaft 5 close to the inner wall of the box body 2; a ratchet wheel 17 is inserted on the transmission shaft 5, and the ratchet wheel 17 is arranged at the position, close to the outer side wall of the box body 2, of the transmission shaft 5; a sliding hole 29 penetrates through one side, far away from the first gear 6, of the transmission shaft 5, a pull rod 10 is inserted into the sliding hole 29, and abutting heads used for preventing the pull rod 10 from being disengaged from the sliding hole 29 are welded at two ends of the pull rod 10. A bearing is clamped on one side of the partition plate 30, which is far away from the bottom plate 3, a worm 18 is inserted on the bearing, one end of the worm 18, which is far away from the bottom plate 3, is in keyed connection with a second gear 20, the second gear 20 is a bevel gear, and the second gear 20 is meshed with the first gear 6. The inner wall of the box body 2 is provided with a rotating shaft 27, the rotating shaft 27 is rotatably connected with the inner wall of the box body 2, a worm wheel 19 is inserted into the rotating shaft 27, the worm wheel 19 is meshed with the worm 18, the worm 18 rotates to drive the worm wheel 19 to drive the rotating shaft 27 to rotate, a third gear 28 is inserted into one side, close to the ejector rod 7, of the rotating shaft 27, the third gear 28 and the worm wheel 19 are coaxially arranged, the ejector rod 7 is a rack, and the ejector rod 7 is meshed with one side, far away from the. The pull rod 10 is laborsaving lever with 5 junctions of transmission shaft, the pulling pull rod 10 drives transmission shaft 5 and transmits, two bevel gears meshing of first gear 6 and second gear 20, change original direction of motion, worm 18 rotates and drives worm wheel 19 and rotate, worm wheel 19 drives pivot 27 and rotates, and then drive third gear 28 and rotate and push down ejector pin 7 and carry out the drawing of patterns operation, overall structure operates steadily, guarantee that the drawing of patterns process can not damage impervious examination mould 25, and adopt lever principle, laborsaving lever uses less power can accomplish the drawing of patterns, promote drawing of patterns efficiency.

Referring to fig. 2 and 3, a blocking box 14 is welded on the outer side wall of a box body 2, where a transmission shaft 5 is inserted, a bearing penetrates through the blocking box 14, the transmission shaft 5 is inserted in the bearing, a ratchet 17 is inserted on the transmission shaft 5, the ratchet 17 is arranged in the blocking box 14, a V-shaped stop block 15 is arranged below the ratchet 17, the stop block 15 is rotatably connected with the box body 2, springs 22 are welded on two sides of the stop block 15, and one end of each spring 22, which is far away from the stop block 15, is welded with the inner wall of the blocking box 14; sunken department is equipped with the trapezoidal shifting block 16 that is the fillet in the middle of the dog 15, is equipped with connecting axle 23 on the shifting block 16, and connecting axle 23 and shifting block 16 integrated into one piece, connecting axle 23 rotate with box 2 to be connected, and connecting axle 23 keeps away from 2 one end joints of box and has the handle 24 that is used for rotating shifting block 16. The handle 24 is rotated to adjust the abutting surface of the shifting block 16 and the stop block 15, the abutting part of the stop block 15 and the gear teeth of the ratchet wheel 17 is changed, the steering of the ratchet wheel 17 is adjusted, the upper part and the lower part of the ejector rod 7 are controlled, the ejector rod is prevented from being stressed in the reverse direction, the situation that power is abandoned after midway interruption is prevented, and the spring 22 ensures the abutting of the stop block 15 and the ratchet wheel 17.

Referring to fig. 2, a punch 11 is arranged on one side of the ejector rod 7 close to the bottom plate 3, the punch 11 and the anti-permeability block 26 are coaxially arranged, and a reinforcing rib 12 is welded between the punch 11 and the ejector rod 7; the side of the box body 2, which is far away from the bottom plate 3, is welded with a guide sleeve 21, the side of the clapboard 30, which is close to the bottom plate 3, is welded with a guide frame 13, and the ejector rod 7 is arranged in the guide sleeve 21 and the guide frame 13 in a sliding manner. The guide sleeve 21 and the guide frame 13 guide the ejector rod 7, so that the damage to the anti-seepage test die 25 and the device in the demolding process caused by the deviation of the motion track of the ejector rod 7 is prevented; the punch 11 increases the stress area of the anti-permeability test block 26, the anti-permeability test block 26 is guaranteed to be stressed uniformly, and the reinforcing ribs 12 improve the stability of connection between the punch 11 and the ejector rod 7 and prolong the service life.

The working process of the embodiment is as follows: placing the anti-permeability test mold 25 clamped with the anti-permeability test block 26 into the device, aligning the mounting hole of the anti-permeability test mold 25 with the positioning hole 9 on the bottom plate 3, clamping the positioning pin 8 into the positioning hole 9 to position and fix the anti-permeability test mold 25; the handle 24 is rotated, the pull rod 10 is rotated, the transmission shaft 5 is driven, the first gear 6 and the second gear 20 start to rotate to drive the worm 18 to rotate, the worm 18 and the worm wheel 19 are driven to the third gear 28, the third gear 28 drives the ejector rod 7 to press downwards, and the ejector rod 7 vertically downwards carries out demoulding operation under the guide of the guide sleeve 21 and the guide frame 13. If the process is interrupted in case of any condition, the pull rod 10 is loosened, the stop block 15 is abutted against the gear teeth of the ratchet wheel 17, the reverse rotation of the transmission shaft 5 is restrained, and the previous manpower waste is prevented; after the demolding is finished, the handle 24 is rotated, the pull rod 10 is rotated reversely, the ejector rod 7 is lifted, and the anti-permeability test mold 25 and the anti-permeability test block 26 are taken out of the box body 2, so that the whole demolding operation is finished.

The embodiments of the present invention are the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A demoulding device for impermeability test of a concrete test block comprises a supporting component (1), a transmission component (4) and a mandril (7);

the method is characterized in that: the supporting assembly (1) comprises a bottom plate (3) and a box body (2), and the box body (2) is arranged on the bottom plate (3);

the transmission assembly (4) comprises a first gear (6) and a transmission shaft (5), the first gear (6) is inserted on the transmission shaft (5), the transmission shaft (5) is inserted on the side wall of the box body (2), one side, far away from the first gear (6), of the transmission shaft (5) is provided with a sliding hole (29), and a pull rod (10) is arranged in the sliding hole (29);

the ejector rod (7) is a rack, the ejector rod (7) is inserted into one side, close to the bottom plate (3), of the box body (2), and the ejector rod (7) is meshed with the first gear (6).

2. The demolding device for the impermeability test of the concrete test block according to claim 1, wherein: baffle (30) are equipped with near bottom plate one side in box (2), first gear (6) are bevel gear, box (2) are close to bottom plate (3) one side vertical be provided with worm (18), worm (18) rotate with baffle (30) and are connected, worm (18) are kept away from bottom plate (3) one end and are equipped with second gear (20), second gear (20) are bevel gear, first gear (6) and second gear (20) meshing, be equipped with pivot (27) in box (2), be equipped with worm wheel (19) on pivot (27), worm wheel (19) and worm (18) meshing, be equipped with third gear (28) on pivot (27), third gear (28) and worm wheel (19) coaxial setting, third gear (28) and ejector pin (7) meshing.

3. The demolding device for the impermeability test of the concrete test block according to claim 1, wherein: be equipped with ratchet (17) on box (2) lateral wall, ratchet (17) are inserted and are established on transmission shaft (5), be equipped with on box (2) lateral wall and keep off case (14), ratchet (17) set up in keeping off case (14), be equipped with dog (15) in keeping off case (14), dog (15) rotate with box (2) and are connected, dog (15) are kept away from and are kept off case (14) one end butt ratchet (17), be equipped with spring (22) on dog (15) lateral wall, spring (22) butt keeps off case (14) and dog (15).

4. The demolding device for the impermeability test of the concrete test block as claimed in claim 3, wherein: the stop block (15) is V-shaped, the springs (22) are arranged in two numbers, the springs (22) are arranged on two sides of the stop block (15) respectively, a shifting block (16) is arranged on the stop block (15), the shifting block (16) is rotatably connected with the box body (2), and the shifting block (16) is abutted to the side wall, far away from the springs (22), of the stop block (15).

5. The demolding device for the impermeability test of the concrete test block according to claim 1, wherein: one end of the ejector rod (7) close to the bottom plate (3) is provided with a punch (11), and one side of the punch (11) close to the ejector rod (7) is provided with a reinforcing rib (12).

6. The demolding device for the impermeability test of the concrete test block as claimed in claim 2, wherein: one side of the partition plate (30) close to the bottom plate (3) is provided with a guide frame (13), and the ejector rod (7) is arranged in the guide frame (13) in a sliding manner.

7. The demolding device for the impermeability test of the concrete test block according to claim 1, wherein: the top of the box body (2) is provided with a vertical downward guide sleeve (21), and the ejector rod (7) is arranged in the guide sleeve (21) in a sliding manner.

8. The demolding device for the impermeability test of the concrete test block according to claim 1, wherein: a plurality of positioning holes (9) penetrate through the bottom plate (3), and positioning pins (8) are arranged in the positioning holes (9).