CN217332468U

CN217332468U - Shrinkage test device for concrete chemical examination

Info

Publication number: CN217332468U
Application number: CN202220748312.0U
Authority: CN
Inventors: 褚建伟; 马文靖; 张纪林; 石轲; 王玮
Original assignee: Qingzhou China United Cement Co Ltd
Current assignee: Qingzhou China United Cement Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-30
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a concrete is tested and is used shrink test device, concretely relates to concrete quality testing technical field, including fixed table top, the fixed table top is equipped with the concrete piece, concrete piece both ends are fixed head rod and the second connecting rod of being equipped with respectively, the fixed table top is equipped with U type frame, the inside movable block that is equipped with of U type frame, the movable block opposite side is equipped with the digital display amesdial, adjustment mechanism about U type frame inner is equipped with, adjustment mechanism around the fixed table top is equipped with. The utility model discloses an upper and lower adjustment mechanism and left and right sides adjustment mechanism drive movable block and digital display amesdial and remove, can carry out regulation from top to bottom around to the position of digital display amesdial, and accommodation process is comparatively simple and convenient for the digital display amesdial can contact with the second connecting rod of different positions and be connected, and then can test the different positions of the concrete piece of different specifications, and the suitability is stronger, and the result of use is better.

Description

Shrinkage test device for concrete chemical examination

Technical Field

The utility model relates to a concrete quality testing technical field, concretely relates to shrinkage test device is used in concrete ization.

Background

Concrete is a building material commonly used in construction sites, and is a general name of engineering composite materials formed by cementing aggregates into a whole by using cementing materials. The concrete is cement concrete which is prepared by mixing cement as a cementing material and sand and stone as aggregates with water according to a certain proportion and stirring, and is also called common concrete, and is widely applied to civil engineering. When the concrete meets the change of the natural environment, the expansion and contraction phenomena can be generated, the expansion and contraction of the concrete can cause the cracking of the wall body, so the concrete needs to be tested for the expansion and contraction performance in the production process, and the contraction test device for the concrete chemical test is needed.

At present, when the shrinkage test device for concrete testing is in actual use, the position of a digital display dial indicator is fixed, and concrete blocks of different specifications are tested, the positions of ejector rods at the end parts of the digital display dial indicator are possibly different, so that the concrete blocks of different specifications cannot be tested, the applicability is not strong, the test on different positions of the concrete blocks of the same specification cannot be performed, and the using effect is not good enough.

Therefore, it is necessary to provide a shrinkage test apparatus for concrete testing to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete is tested and is used shrink test device, through upper and lower adjustment mechanism with control adjustment mechanism and drive movable block and digital display amesdial and remove, can carry out regulation from top to bottom around to the position of digital display amesdial, and accommodation process is comparatively simple and convenient, make the digital display amesdial can contact with the second connecting rod of different positions and be connected, and then can test the different positions of the concrete piece of different specifications, and the suitability is stronger, excellent in use effect, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: the shrinkage test device for the concrete chemical examination comprises a fixed table top, wherein a concrete block is arranged at the top of the fixed table top, a first connecting rod and a second connecting rod are respectively fixedly arranged at two ends of the concrete block, one end of the first connecting rod and one end of the second connecting rod are respectively embedded in the two ends of the concrete block, a U-shaped frame is arranged at the top end of the fixed table top, the U-shaped frame is arranged on one side of the second connecting rod, a movable block is arranged in the U-shaped frame, the front end and the rear end of the movable block are respectively contacted with the front end and the rear end in the U-shaped frame, a communication port can be formed in one side of the movable block, a fixed pipe is arranged in the communication port, a digital display dial indicator is arranged on the other side of the movable block, the detection end of the digital display dial indicator penetrates through the inside of the fixed table and extends to one side of the movable block, the detection end of the digital display dial indicator is connected with one end of the second connecting rod, and an up-down adjusting mechanism is arranged at the inner end of the U-shaped frame, and a front-back adjusting mechanism is arranged at the top end of the fixed table top.

Preferably, the up-down adjusting mechanism comprises two first chutes which are respectively arranged on the front wall and the rear wall inside the U-shaped frame, first sliding blocks are arranged inside the first chutes, the inner sides of the two first sliding blocks are respectively fixedly connected with the front end and the rear end of the movable block, first threaded rods are arranged inside the first chutes, the top ends of the first threaded rods penetrate through the first sliding blocks and extend to the top of the U-shaped frame, the first threaded rods are in threaded connection with the first sliding blocks, the two ends of each first threaded rod are rotatably connected with the inner wall of the first chute through bearings, belt pulleys are fixedly arranged at the top ends of the first threaded rods, the two belt pulleys are connected through belts, a first rotating handle is fixedly arranged at the top end of one first threaded rod, and is arranged at the top of each belt pulley so as to conveniently adjust the up-down positions of the movable block and the digital display dial indicator, the adjustment is more convenient.

Preferably, the front and back adjustment mechanism includes the second spout, the second spout is seted up on the fixed station face top, the inside second slider that is equipped with of second spout, second slider top and U type frame bottom fixed connection, the inside second threaded rod that is equipped with of second spout, second threaded rod one end is passed the second slider and is extended to fixed station face front side, threaded connection between second threaded rod and the second slider, rotate through the bearing between second threaded rod both ends and the second spout inner wall and be connected, the fixed second that is equipped with of second threaded rod one end changes the handle, the second is changeed and is established in fixed station face front side, is convenient for adjust the front and back position of movable block sum display amesdial, adjusts comparatively simply.

Preferably, one side of the movable block, which is close to the second connecting rod, is fixedly provided with an L-shaped supporting plate, the L-shaped supporting plate is arranged at the bottom of the digital display dial indicator, a supporting groove is formed in the top end of the L-shaped supporting plate, and one end of the second connecting rod penetrates through the supporting groove to support the second connecting rod and the concrete block.

Preferably, the fixed riser that is equipped with in fixed mesa top, fixed riser is established in head rod one side, the support spout has been seted up to one side that fixed riser is close to the head rod, the fixed support slider that is equipped with of head rod one end, the support slider is established inside supporting the spout, is convenient for support and fix head rod and concrete block.

Preferably, the top end of the movable block is provided with a fixing bolt, one end of the fixing bolt penetrates through the top end of the movable block and is in contact with the outer end of the fixed pipe, one end of the fixing bolt is in threaded connection with the top end of the movable block, and the fixed pipe and the digital display dial indicator are conveniently fixed.

Preferably, four supporting columns are fixedly arranged at the bottom end of the fixed table top, so that the device is conveniently supported and fixed.

In the technical scheme, the utility model provides a technological effect and advantage:

the first rotating handle drives the first threaded rod to rotate, the first sliding block moves up and down along with the rotation of the first threaded rod, the first sliding block drives the movable block and the digital display dial indicator to move up and down, so that the up-and-down position of the digital display dial indicator can be adjusted, the second rotating handle rotates, the second rotating handle drives the second threaded rod to rotate, the second sliding block drives the U-shaped frame to move back and forth along with the rotation of the second threaded rod, the U-shaped frame drives the movable block and the digital display dial indicator to move back and forth, so that the front-and-forth position of the digital display dial indicator can be adjusted, the movable block and the digital display dial indicator are driven to move by the up-and-down adjusting mechanism and the left-and-right adjusting mechanism, the position of the digital display dial indicator can be adjusted up and down and back and forth, the adjusting process is simple and convenient, the digital display dial indicator can be in contact connection with second connecting rods at different positions, and further different positions of concrete blocks with different specifications can be tested, the applicability is strong, and the use effect is good.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

FIG. 2 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 3 is a schematic perspective sectional view of the concrete block of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the fixed table of the present invention;

FIG. 5 is a schematic view of a three-dimensional structure of a U-shaped frame of the present invention;

fig. 6 is a schematic view of a three-dimensional sectional structure of the movable block of the present invention.

Description of reference numerals:

the concrete block of 1 fixed mesa, 2, 3 head rods, 4 second connecting rods, 5U type frame, 6 movable blocks, 7 intercommunication mouth, 8 fixed pipes, 9 digital display amesdial, 10 first spout, 11 first slider, 12 first threaded rod, 13 second spout, 14 second slider, 15 second threaded rod, 16 belt pulleys, 17 first commentaries on classics handle, 18 second commentaries on classics handle, 19L type backup pad, 20 support groove, 21 fixed riser, 22 support spout, 23 support slider, 24 fixing bolt, 25 support columns.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a shrinkage test device for concrete tests as shown in figures 1-6, which comprises a fixed table board 1, wherein a concrete block 2 is arranged at the top of the fixed table board 1, a first connecting rod 3 and a second connecting rod 4 are respectively fixedly arranged at two ends of the concrete block 2, one end of the first connecting rod 3 and one end of the second connecting rod 4 are respectively embedded inside two ends of the concrete block 2, a U-shaped frame 5 is arranged at the top end of the fixed table board 1, the U-shaped frame 5 is arranged at one side of the second connecting rod 4, a movable block 6 is arranged inside the U-shaped frame 5, the front end and the rear end of the movable block 6 are respectively contacted with the front end and the rear end inside the U-shaped frame 5, a communication port 7 can be opened at one side of the movable block 6, a fixed pipe 8 is arranged inside the communication port 7, a digital display dial indicator 9 is arranged at the other side of the movable block 6, the detection end of the digital display dial indicator 9 passes through the inside of the fixed pipe 8 and extends to one side of the movable block 6, the detection end of the digital display dial indicator 9 is connected with one end of the second connecting rod 4, the inner end of the U-shaped frame 5 is provided with an up-down adjusting mechanism, and the top end of the fixed table top 1 is provided with a front-back adjusting mechanism.

The upper and lower adjusting mechanism comprises two first sliding grooves 10, the two first sliding grooves 10 are respectively arranged on the front wall and the rear wall inside the U-shaped frame 5, a first sliding block 11 is arranged inside the first sliding groove 10, the inner sides of the two first sliding blocks 11 are respectively fixedly connected with the front end and the rear end of the movable block 6, a first threaded rod 12 is arranged inside the first sliding groove 10, the top end of the first threaded rod 12 penetrates through the first sliding block 11 and extends to the top of the U-shaped frame 5, the first threaded rod 12 is in threaded connection with the first sliding block 11, the two ends of the first threaded rod 12 are rotatably connected with the inner wall of the first sliding groove 10 through bearings, a belt pulley 16 is fixedly arranged at the top end of the first threaded rod 12, the two belt pulleys 16 are connected through a belt, a first rotating handle 17 is fixedly arranged at the top end of one first threaded rod 12, the first rotating handle 17 is arranged at the top of the belt pulley 16, the front and back adjusting mechanism comprises a second sliding groove 13, the second sliding groove 13 is formed in the top end of the fixed table board 1, a second sliding block 14 is arranged inside the second sliding groove 13, the top end of the second sliding block 14 is fixedly connected with the bottom end of the U-shaped frame 5, a second threaded rod 15 is arranged inside the second sliding groove 13, one end of the second threaded rod 15 penetrates through the second sliding block 14 and extends to the front side of the fixed table board 1, the second threaded rod 15 is in threaded connection with the second sliding block 14, the two ends of the second threaded rod 15 are rotatably connected with the inner wall of the second sliding groove 13 through bearings, a second rotating handle 18 is fixedly arranged at one end of the second threaded rod 15, the second rotating handle 18 is arranged on the front side of the fixed table board 1, and the positions of the movable block 6 and the digital dial indicator 9 can be adjusted up and down and back.

The utility model discloses a concrete block 2 is convenient for support concrete block 2, also be convenient for it moves in the axis direction of digital display amesdial 9, the fixed L type backup pad 19 that is equipped with in one side that the movable block 6 is close to second connecting rod 4, L type backup pad 19 is established in digital display amesdial 9 bottom to L type backup pad 19, support groove 20 has been seted up on L type backup pad 19 top, inside second connecting rod 4 one end passed support groove 20, the fixed riser 21 that is equipped with in 1 top of fixed mesa, fixed riser 21 is established in head rod 3 one side, fixed riser 21 has been close to one side of head rod 3 and has been seted up support spout 22, the fixed support slider 23 that is equipped with in head rod 3 one end, support slider 23 is established inside support spout 22, is convenient for support concrete block 2, and also be convenient for it moves in the axis direction of digital display amesdial 9, the fixed 1 bottom mounting of fixed mesa is equipped with four support columns 25.

The implementation mode is specifically as follows: the supporting slide block 23 on the concrete block 2 is clamped into the supporting slide groove 22 on the fixed vertical plate 21, the first rotating handle 17 is rotated, the first rotating handle 17 drives one of the first threaded rods 12 to rotate, the first threaded rod 12 drives the other first threaded rod 12 to rotate through the belt pulley 16, the first threaded rod 12 is in threaded connection with the first sliding block 11, so that the first sliding block 11 moves up and down along with the rotation of the first threaded rod 12, the first sliding block 11 drives the movable block 6 to move up and down, the movable block 6 drives the fixed pipe 8 and the digital dial indicator 9 to move up and down, so that the up and down position of the digital dial indicator 9 can be adjusted, the second rotating handle 18 is rotated, the second rotating handle 18 drives the second threaded rod 15 to rotate, the second sliding block 14 moves back and forth along with the rotation of the second threaded rod 15, and the second sliding block 14 drives the U-shaped frame 5 to move back and forth, the U-shaped frame 5 drives the movable block 6 and the digital display dial indicator 9 to move back and forth, so that the front and back positions of the digital display dial indicator 9 can be adjusted, the positions of the movable block 6 and the digital display dial indicator 9 are adjusted, the second connecting rod 4 is placed in the supporting groove 20, one end of the digital display dial indicator 9 is connected with one end of the second connecting rod 4, when the concrete block 2 contracts or expands, the digital display dial indicator 9 can display the contracted or expanded numerical value, the utility model can drive the movable block 6 and the digital display dial indicator 9 to move through the up-down adjusting mechanism and the left-right adjusting mechanism, can adjust the position of the digital display dial indicator 9 up and down and back and forth, and the adjusting process is simple and convenient, so that the digital display dial indicator 9 can be in contact connection with the second connecting rods 4 at different positions, and can test different positions of the concrete blocks 2 with different specifications, the suitability is stronger, the result of use is better, this embodiment has specifically solved the concrete that exists among the prior art and has examined with the shrink test device when in actual use, the position of its digital display amesdial is fixed, and when the concrete piece of different specifications is tested, the position of the ejector pin of its tip is probably different, just so can't test the concrete piece of different specifications, the suitability is not strong, and also can't test the different positions of the concrete piece of same specification, the not good problem of result of use.

The utility model provides a shrink test device is used in concrete verification as shown in figure 6, 6 tops of movable block are equipped with fixing bolt 24, fixing bolt 24 one end is passed 6 tops of movable block and is contacted with fixed 8 outer ends of tubes, threaded connection between 24 one ends of fixing bolt and the 6 tops of movable block, when not needing the experiment, loosen fixing bolt 24 soon, take digital display amesdial 9 and fixed 8 of tubes out from intercommunication mouth 7, just so can place digital display amesdial 9 alone, also make things convenient for the maintenance of digital display amesdial 9 to maintain, the practicality is stronger.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. Concrete tests and uses shrink test device, including fixed table face (1), its characterized in that: the concrete block (2) is arranged at the top of the fixed table board (1), a first connecting rod (3) and a second connecting rod (4) are fixedly arranged at two ends of the concrete block (2) respectively, one end of the first connecting rod (3) and one end of the second connecting rod (4) are embedded in two ends of the concrete block (2) respectively, a U-shaped frame (5) is arranged at the top end of the fixed table board (1), the U-shaped frame (5) is arranged on one side of the second connecting rod (4), a movable block (6) is arranged in the U-shaped frame (5), the front end and the rear end of the movable block (6) are respectively contacted with the front end and the rear end in the U-shaped frame (5), a communication opening (7) can be opened on one side of the movable block (6), a fixed pipe (8) is arranged in the communication opening (7), a digital display dial indicator (9) is arranged on the other side of the movable block (6), and the detection end of the digital display dial indicator (9) penetrates through the inside of the fixed pipe (8) and extends to one side of the movable block (6), the detection end of the digital display dial indicator (9) is connected with one end of the second connecting rod (4), the inner end of the U-shaped frame (5) is provided with an upper and lower adjusting mechanism, and the top end of the fixed table top (1) is provided with a front and rear adjusting mechanism.

2. The shrinkage test device for concrete testing according to claim 1, wherein: the upper and lower adjusting mechanism comprises two first sliding grooves (10), the two first sliding grooves (10) are respectively arranged on the front wall and the rear wall inside the U-shaped frame (5), a first sliding block (11) is arranged inside the first sliding grooves (10), the inner sides of the two first sliding blocks (11) are respectively fixedly connected with the front end and the rear end of the movable block (6), a first threaded rod (12) is arranged inside the first sliding grooves (10), the top end of the first threaded rod (12) penetrates through the first sliding block (11) and extends to the top of the U-shaped frame (5), the first threaded rod (12) is in threaded connection with the first sliding block (11), the two ends of the first threaded rod (12) are rotatably connected with the inner wall of the first sliding grooves (10) through bearings, a belt pulley (16) is fixedly arranged at the top end of the first threaded rod (12), and the two belt pulleys (16) are connected through a belt, a first rotating handle (17) is fixedly arranged at the top end of one first threaded rod (12), and the first rotating handle (17) is arranged at the top of the belt pulley (16).

3. The shrinkage test device for concrete testing according to claim 1, wherein: front and back adjustment mechanism includes second spout (13), set up on fixed table surface (1) top second spout (13), second spout (13) inside is equipped with second slider (14), second slider (14) top and U type frame (5) bottom fixed connection, second spout (13) inside is equipped with second threaded rod (15), second threaded rod (15) one end is passed second slider (14) and is extended to fixed table surface (1) front side, threaded connection between second threaded rod (15) and second slider (14), rotate through the bearing between second threaded rod (15) both ends and second spout (13) inner wall and be connected, second threaded rod (15) one end is fixed to be equipped with the second and changes handle (18), the second is changeed and is established fixed table surface (1) front side (18).

4. The shrinkage test device for concrete testing according to claim 1, wherein: one side of the movable block (6) close to the second connecting rod (4) is fixedly provided with an L-shaped supporting plate (19), the L-shaped supporting plate (19) is arranged at the bottom of the digital display dial indicator (9), a supporting groove (20) is formed in the top end of the L-shaped supporting plate (19), and one end of the second connecting rod (4) penetrates through the inside of the supporting groove (20).

5. The shrinkage test device for concrete testing according to claim 1, wherein: fixed mesa (1) top is fixed to be equipped with fixed riser (21), establish in head rod (3) one side fixed riser (21), support spout (22) have been seted up to one side that fixed riser (21) are close to head rod (3), head rod (3) one end is fixed to be equipped with support slider (23), support slider (23) are established inside supporting spout (22).

6. The shrinkage test device for concrete testing according to claim 1, wherein: the movable block (6) top is equipped with fixing bolt (24), fixing bolt (24) one end is passed movable block (6) top and is contacted with fixed pipe (8) outer end, threaded connection between fixing bolt (24) one end and the movable block (6) top.

7. The shrinkage test device for concrete testing according to claim 1, wherein: four supporting columns (25) are fixedly arranged at the bottom end of the fixed table top (1).