CN210347274U

CN210347274U - Cement mortar plain bumper

Info

Publication number: CN210347274U
Application number: CN201920990934.2U
Authority: CN
Inventors: 卢佳; 赵洋; 王莉
Original assignee: Tianjin Building Quality Construction Projects Testing Co ltd
Current assignee: Tianjin Building Quality Construction Projects Testing Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-17
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a cement mortar jolt ramming table, which relates to the technical field of cement detection equipment and aims to solve the technical problem that a test mold is insecure to be fixed and causes deviation; one side of bench set towards the top is provided with two sets of centre gripping subassemblies, and is two sets of centre gripping subassembly is located examination mould length direction and width direction's both sides respectively, and under the elastic force effect of spring, the spring applys decurrent pulling force to the die sleeve, and the die sleeve applys decurrent pressure to trying the mould, cliies respectively in addition through two sets of centre gripping subassemblies and tries the mould all around, fixes the position that tries the mould and is located the bench set horizontal direction, and like this, it is more firm to try the mould fixed.

Description

Cement mortar plain bumper

Technical Field

The utility model relates to a cement check out test set technical field, more specifically say, it relates to a mortar plain bumper.

Background

The cement jolt ramming table is a detection device for detecting cement strength, and when it is worked, the synchronous motor can be used for driving cam to rotate so as to make vibration component make upward movement, and after it is raised to a certain height, it can be fallen down so as to produce vibration, and can make cement mortar be jolted under the action of several times of vibration force.

The prior Chinese patent with the publication number of CN205175777U provides a cement mortar jolt ramming table, which comprises a cover die and a frame component, wherein the cover die is provided with a fixed shaft, the frame component comprises a base, a clamping shaft and a positioning shaft, the positioning shaft is fixedly connected with the base, the clamping shaft is hinged with the base, and the clamping shaft is provided with a clamping hook for pressing the fixed shaft; the sleeve die is hinged with a supporting rod arranged on the base; before the experiment, the examination mould that will be equipped with cement mortar sample is placed on the base, rotates the die sleeve downwards for the die sleeve butt is in the upper surface of examination mould, and simultaneously, the cover mould drives the fixed axle and moves to the location epaxial, and the epaxial trip card of card is gone into the fixed axle, in order to compress tightly the fixed axle, thereby compresses tightly the examination mould.

However, the cement mortar jolt ramming table in the above technical scheme only applies a limiting acting force along the vertical direction to the test mold, and does not align in the horizontal direction of the test mold to apply a fixing force directly acting, so that the test mold is easy to move along the horizontal direction in the test shaking process, thereby affecting the normal test of the cement mortar, and therefore the improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a cement mortar plain bumper, it has and exerts the ascending pressure of horizontal direction and vertical side in order to carry out better fixed advantage to the examination mould simultaneously to the examination mould.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a cement mortar jolt ramming table comprises a table plate and a die sleeve, wherein at least four springs are arranged on one side of the die sleeve facing downwards, the four springs are respectively positioned at four vertex angles of the die sleeve, and one end, away from the die sleeve direction, of each spring is connected with the table plate; and one side of the table plate facing the upper part is provided with two groups of clamping assemblies, and the two groups of clamping assemblies are respectively positioned on two sides of the test die in the length direction and the width direction.

By adopting the technical scheme, under the action of the elastic force of the spring, the spring applies downward tensile force to the die sleeve, the die sleeve applies downward pressure to the test die, in addition, the periphery of the test die is respectively clamped by the two groups of clamping assemblies, and the position of the test die in the horizontal direction of the table plate is fixed, so that the test die is more firmly fixed; meanwhile, the device can be used for fixing test molds with different heights.

Furthermore, the two groups of clamping assemblies respectively comprise a first clamping plate and a second clamping plate which are oppositely arranged, the first clamping plate is fixedly connected to the table top, the second clamping plate is connected to the table top in a sliding mode, the second clamping plate is connected with a sliding block in a sliding mode, and a sliding groove for the sliding block to slide is formed in the table top; and the sliding block is in threaded connection with a locking bolt which is abutted against the bottom wall of the sliding groove.

Through adopting above-mentioned technical scheme, the second grip block can slide on the mesa to can adjust the position of second grip block according to the examination mould of different length and width, like this, the suitability is wider.

Further, a spring washer is arranged on the locking bolt.

Through adopting above-mentioned technical scheme, when fixing the slider through locking bolt, locking bolt exerts pressure to the spring washer for the spring washer supports tightly on the slider, and the spring washer has elasticity, thereby exerts ascending power to locking bolt, at the in-process of shaking table work, plays the effect of relaxing to locking bolt, thereby strengthens the fastening to the examination mould.

Furthermore, elastic pads are arranged on one sides, close to the mold testing direction, of the first clamping plate and the second clamping plate.

By adopting the technical scheme, the elastic cushion is softer, and the damage of the elastic cushion to the test die is smaller when the elastic cushion is clamped; on the other hand, the elastic cushion has certain elasticity, and when the centre gripping subassembly was pressed from both sides tight to the examination mould, the elastic cushion warp, plays certain thrust to the centre gripping subassembly to it is more firm to make to fix between centre gripping subassembly and the examination mould.

Furthermore, a cavity is formed in the elastic cushion, and a plurality of air holes communicated with the cavity are formed in the elastic cushion.

Through adopting above-mentioned technical scheme, when the cushion atress takes place deformation, the air in the cavity outwards discharges from the gas pocket, like this, the deformation of the cushion of being convenient for.

Furthermore, the outer side wall of the spring is provided with a spring guide post connected with the table board, and the spring guide post is provided with a guide post hole for the spring to pass through along the length direction of the spring guide post.

By adopting the technical scheme, the spring guide post plays a guiding role, and the spring stretches or contracts along the height direction of the spring guide post, so that the tension of the spring on the formwork is vertically downward; in addition, the spring guide post plays a protective role for the spring to prevent the spring from being impacted due to misoperation when a test mold is placed.

Furthermore, the lateral wall of spring is provided with elastic protection sleeve, elastic protection sleeve's both ends are connected respectively in the diapire in guide post hole and the lower bottom surface of die sleeve.

Through adopting above-mentioned technical scheme, at the in-process of spring extension and shrink, spring protection cover is because it has elasticity, along with spring synchronous motion, because the spring exposes for a long time in the air, long-time back, and the moisture in air hole can cause the spring to rust, influences the elastic property of spring, forms the protection to the spring through elastic protection cover, reduces moisture in the air to the corrosion of spring.

Furthermore, the orifice of the guide pillar hole is provided with a buffer arc surface along the circumferential direction.

By adopting the technical scheme, in the process of spring contraction, when the spring impacts on the buffering cambered surface due to improper operation, the damage to the elastic protection sleeve is small due to smooth surface, and the elastic protection table is prevented from being scratched.

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

1. a plurality of springs are arranged between the die sleeve and the table top; the upper side of the table plate is provided with two groups of clamping assemblies, the two groups of clamping assemblies are respectively positioned on two sides of the length direction and the width direction of the test mold, the spring applies downward tension to the mold sleeve under the action of the elastic force of the spring, the mold sleeve applies downward pressure to the test mold, in addition, the two groups of clamping assemblies are used for respectively clamping the periphery of the test mold, and the position of the test mold in the horizontal direction of the table plate is fixed, so that the fixation of the test mold is enhanced, and the vibration of the test mold in the working process of the plain bumper is reduced;

2. the clamping assemblies respectively comprise a first clamping plate and a second clamping plate which are oppositely arranged, the first clamping plate is fixedly connected to the table top, the second clamping plate is connected to the table top in a sliding mode, the second clamping plate is connected with a sliding block, and a sliding groove is formed in the table top; the sliding block is in threaded connection with a locking bolt, and the second clamping plate can slide on the table top, so that the position of the second clamping plate can be adjusted according to test molds of different lengths and widths; in addition, test molds with different heights can be fixed; therefore, the compaction table is suitable for test molds of different specifications and sizes and has wider applicability.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a cement mortar jolt ramming table in an embodiment;

FIG. 2 is a disassembled schematic view showing the connection relationship between the die case and the table top in the embodiment;

FIG. 3 is a disassembled view showing the structure of the clamping assembly in the embodiment;

fig. 4 is a disassembled view of the elastic cushion structure in the embodiment.

In the figure: 1. a table top; 11. a sliding groove; 2. die sleeve; 3. a spring; 4. a spring guide post; 41. a guide post hole; 411. buffering the arc surface; 5. an elastic protective sleeve; 6. a clamping assembly; 61. a first clamping plate; 62. a second clamping plate; 7. a slider; 71. locking the bolt; 72. a spring washer; 8. an elastic pad; 81. a cavity; 82. and (4) air holes.

Detailed Description

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

Example (b):

the utility model provides a cement mortar plain bumper, refer to fig. 1 and fig. 2, it includes mesa 1, the top of mesa 1 is provided with die sleeve 2, be provided with four springs 3 between die sleeve 2 and the mesa 1 at least, the both ends of spring 3 are passed through the welding and are connected respectively in the lower bottom surface of die sleeve 2 and the upper surface of mesa 1, four springs 3 are located four apex angle departments of die sleeve 2 respectively, place the examination mould on mesa 1, the examination mould is located the below of die sleeve 2, under spring 3's elastic force effect, make die sleeve 2 exert vertical decurrent pressure to die sleeve 2.

Referring to fig. 2, a plurality of spring guide pillars 4 are welded on the table top 1, guide pillar holes 41 through which the springs 3 can pass are formed in the spring guide pillars 4 along the length direction of the spring guide pillars 4, and a buffer arc surface 411 is arranged at the orifice of each guide pillar hole 41 along the circumferential direction of the guide pillar hole; an elastic protective sleeve 5 is arranged on the outer side wall of the spring 3, the elastic protective sleeve 5 is preferably made of silica gel, one end of the elastic protective sleeve 5 is fixedly adhered to the table board 1, the other end of the elastic protective sleeve is fixedly adhered to the lower bottom surface of the die sleeve 2, and the elastic protective sleeve 5 contracts and stretches along with the spring 3 in the process of contracting and stretching the spring 3; the spring 3 is protected by the spring 3 protective sleeve, so that the corrosion of the spring 3 caused by the contact with moisture in the air is reduced; in the process of the contraction of the spring 3, the buffer cambered surface 411 plays a role in protection so as to prevent the elastic protection sleeve 5 from being scratched.

Referring to fig. 3 and 4, two groups of clamping assemblies 6 are arranged on one upward side of the table top 1, and the two groups of clamping assemblies 6 are respectively positioned on two sides of the test mold in the length direction and the width direction; two sets of centre gripping subassemblies 6 all include relative first grip block 61 and the second grip block 62 that sets up, and first grip block 61 welding is on mesa 1, and one side welding that second grip block 62 is close to mesa 1 has slider 7, sets up the sliding groove 11 that can supply slider 7 to slide on the mesa 1, and threaded connection has the locking bolt 71 that offsets with sliding groove 11 diapire on the slider 7. All glue on first grip block 61 and the second grip block 62 inherent cushion 8 that offsets with the examination mould, the material of cushion 8 is preferably rubber, cavity 81 has been seted up to the inside of cushion 8, a plurality of communicating gas pockets 82 with cavity 81 have been seted up on the cushion 8, when carrying out the ascending fixed of horizontal direction to the examination mould, second grip block 62 exerts pressure to the examination mould, extrude cushion 8, the air in the cavity 81 is discharged by gas pocket 82, cushion 8 atress deformation, because its self has elasticity, cushion 8 exerts certain thrust to clamping subassembly 6, thereby it is fixed more firm to the examination mould to make clamping subassembly 6.

Referring to fig. 3, the outer side wall of the locking bolt 71 is sleeved with a spring washer 72, and when the locking bolt 71 abuts against the bottom wall of the sliding groove 11, the end cover on the locking bolt 71 applies pressure to the spring washer 72, so that the spring washer 72 abuts against the slider 7.

The working principle is as follows:

when a test mold is installed, firstly, the mold sleeve 2 is pulled upwards, the test mold is placed between the first clamping plate 61 and the second clamping plate 62 on the table board 1, so that the test mold is abutted against the elastic pad 8 on the first clamping plate 61, the mold sleeve 2 is loosened, and under the action of the elastic force of the spring 3, the mold sleeve 2 is pulled downwards to apply vertical downward pressure to the test mold; then, the second clamping plate 62 is moved so that the second clamping plate 62 abuts against the outer side wall of the test mold, and the second clamping plate 62 is fixed by the locking bolt 71, so that the position of the test mold in the horizontal direction is fixed by fixing the test mold between the first clamping plate 61 and the second clamping plate 62.

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 without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a cement mortar plain bumper, includes bench disc and die sleeve (2), its characterized in that: one side of the die sleeve (2) facing downwards is at least provided with four springs (3), the four springs (3) are respectively positioned at four vertex angles of the die sleeve (2), and one end of each spring (3) far away from the die sleeve (2) is connected with the table disc; and one side of the table plate facing the upper part is provided with two groups of clamping assemblies (6), and the two groups of clamping assemblies (6) are respectively positioned on two sides of the test mold in the length direction and the width direction.

2. The cement mortar tap platform of claim 1, wherein: the two groups of clamping assemblies (6) respectively comprise a first clamping plate (61) and a second clamping plate (62) which are oppositely arranged, the first clamping plate (61) is fixedly connected to the table board (1), the second clamping plate (62) is connected to the table board (1) in a sliding mode, the second clamping plate (62) is connected with a sliding block (7), and a sliding groove (11) for the sliding block (7) to slide is formed in the table board (1); and the sliding block (7) is in threaded connection with a locking bolt (71) which is abutted against the bottom wall of the sliding groove (11).

3. The cement mortar tap platform of claim 2, wherein: and a spring washer (72) is arranged on the locking bolt (71).

4. The cement mortar tap platform of claim 2, wherein: and elastic pads (8) are arranged on one sides of the first clamping plate (61) and the second clamping plate (62) close to the mold testing direction.

5. The cement mortar tap platform of claim 4, wherein: a cavity (81) is formed in the elastic cushion (8), and a plurality of air holes (82) communicated with the cavity (81) are formed in the elastic cushion (8).

6. The cement mortar tap platform of claim 1, wherein: the outer side wall of the spring (3) is provided with a spring guide post (4) connected with the table board (1), and the spring guide post (4) is provided with a guide post hole (41) for the spring (3) to pass through along the height direction of the spring guide post.

7. The cement mortar tap platform of claim 6, wherein: the lateral wall of spring (3) is provided with elastic protection sleeve (5), the both ends of elastic protection sleeve (5) are connected respectively in the diapire of guide post hole (41) and the lower bottom surface of die sleeve (2).

8. The cement mortar tap platform of claim 7, wherein: the orifice of the guide pillar hole (41) is provided with a buffer arc surface (411) along the circumferential direction.