CN218885924U

CN218885924U - Special concrete shrinkage test device

Info

Publication number: CN218885924U
Application number: CN202223218322.2U
Authority: CN
Inventors: 杨枫林; 于冰; 龚建苏
Original assignee: Nantong Construction Concrete Co ltd
Current assignee: Nantong Construction Concrete Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-18
Anticipated expiration: 2032-11-30

Abstract

The utility model belongs to the technical field of the shrink test device, especially, be a special concrete's shrink test device, comprising a main body, one side at main part top is provided with the support, the lower surface at support top is provided with first thousandth table, one side of support is provided with the second amesdial, the inside upside of main part is provided with the mould, the inside downside of main part is provided with the motor, the transmission end of motor is provided with the threaded rod, the surface of threaded rod is provided with the threaded sleeve, the threaded sleeve's both sides all are provided with the dead lever, the one end of dead lever all is provided with the slider, the inner wall of main part both sides all is provided with the spout, the threaded sleeve's top is provided with the movable plate, one side at main part top is provided with the mobile jib. The utility model discloses a mutually supporting of parts such as motor, threaded rod, threaded sleeve, cylinder, mobile jib, auxiliary rod, connecting rod, first clamp and second clamp down, can reach the effect of good fixed effect and automatic handling concrete.

Description

Special concrete shrinkage test device

Technical Field

The utility model relates to a shrink test technical field specifically is a special concrete's shrink test device.

Background

Concrete shrinkage refers to the phenomenon of volume shrinkage that occurs during the initial setting or hardening of concrete. Generally, the shrinkage is classified into plastic shrinkage (also called sink shrinkage), chemical shrinkage (also called self shrinkage), drying shrinkage and carbonization shrinkage, and the concrete cracks due to large shrinkage; strong concrete generally has a large shrinkage, which is a problem to be noticed. Concrete causes volume reduction under dry conditions; in humid conditions (or in water) the volume will expand. This phenomenon has been noted as early as the advent of portland cement. How to solve this phenomenon is still an ongoing issue today.

The prior art has the following problems:

1. the existing special concrete shrinkage test device is poor in fixing effect, cannot effectively clamp special concrete, and is easy to cause movement of the special concrete in the test process to influence the test precision;

2. the existing shrinkage test device for special concrete needs to manually carry the prepared concrete blocks to the device for testing when performing shrinkage test, so that the labor capacity of workers is increased, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a special concrete's shrinkage test device has solved that the fixed effect that exists now is not good and needs artifical transport concrete to carry out the problem of testing on the device.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a shrink test device of special type concrete, includes the main part, one side at main part top is provided with the support, the lower surface at support top is provided with first thousandth micrometer, one side of support is provided with the second amesdial, the inside upside of main part is provided with the mould, the inside downside of main part is provided with the motor, the transmission end of motor is provided with the threaded rod, the surface of threaded rod is provided with the screw sleeve, the telescopic both sides of screw sleeve all are provided with the dead lever, the one end of dead lever all is provided with the slider, the inner wall of main part both sides all is provided with the spout, the telescopic top of screw is provided with the movable plate, one side at main part top is provided with the mobile jib, the tip of mobile jib one side is provided with the cylinder, the middle part of mobile jib one side is provided with the secondary pole, the one end of mobile jib is provided with the connecting rod, the one end of connecting rod is provided with first clamp, the one end of secondary pole is provided with the second fixed axle with the third fixed axle with the one end of second clamp.

As a preferred technical scheme of the utility model, the scaffold weldment is in one side at main part top, the support is the shape of falling L, first thousandth micrometer all with support fixed connection with the second thousandth micrometer.

As a preferred technical scheme of the utility model, mould fixed mounting is at the inside upside of main part, the fixed control panel that is provided with in one side of main part, the motor passes through patchcord and control panel electric connection.

As an optimal technical scheme of the utility model, threaded sleeve passes through the threaded rod and is connected with motor drive, movable plate and threaded sleeve fixed connection.

As a preferred technical scheme of the utility model, threaded sleeve passes through dead lever and slider and spout sliding connection, the slider all is T shape with the spout.

As a preferred technical scheme of the utility model, the cylinder passes through patchcord and control panel electric connection, the mobile jib is connected with the cylinder transmission, the one end of mobile jib, auxiliary rod and connecting rod all is provided with the pivot, mobile jib, auxiliary rod and connecting rod are respectively through pivot and connecting rod, second clamp and first clamp swing joint.

As a preferred technical scheme of the utility model, the bottom of first fixed axle, second fixed axle and third fixed axle all is provided with the fixed block, first fixed axle, second fixed axle and third fixed axle all pass through fixed block and main part top fixed connection.

Compared with the prior art, the utility model provides a special concrete's shrinkage test device possesses following beneficial effect:

1. this shrinkage test device of special concrete, operating personnel is at first with special concrete placement inside the mould, wait for special concrete solidification shaping back, through control panel starter motor operation, the threaded rod is driven to rotate when the motor operates, the threaded rod drives the threaded sleeve rebound when rotating, it slides in the spout to drive the slider through the dead lever during the threaded sleeve rebound, stability when increasing the threaded sleeve rebound, the movable plate shifts up is driven in the time of the threaded sleeve rebound, thereby send the special concrete in the mould to the device top and test, thereby do not need the staff manual work to carry special concrete, staff's the amount of labour has been reduced, and work efficiency is improved.

2. This shrinkage test device of special type concrete, after special type concrete removes to the device top, start the cylinder operation through control panel, promote the mobile jib during cylinder operation, it moves with the connecting rod to drive vice pole through pivot and first fixed axle when the mobile jib is promoted, it carries out the centre gripping with the second clamp to special type concrete through second fixed axle and third fixed axle and pivot drive first clamp and second clamp when vice pole moves with the connecting rod, thereby reach good fixed effect, then use first kilo minute table and second amesdial on the support to measure special type concrete, avoid special type concrete to cause the phenomenon of removal in the experiment, the experimental precision has been improved.

Drawings

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

FIG. 2 is a perspective view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is an enlarged schematic view of the structure of the utility model B.

In the figure: 1. a main body; 2. a support; 3. a first kilo-decimeter; 4. a second dial indicator; 5. a mold; 6. a motor; 7. a threaded rod; 8. a threaded sleeve; 9. a fixing rod; 10. a slider; 11. a chute; 12. moving the plate; 13. a main rod; 14. a cylinder; 15. an auxiliary rod; 16. a connecting rod; 17. a first clamp; 18. a second clamp; 19. a first fixed shaft; 20. a second fixed shaft; 21. and a third fixed shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: the utility model provides a special concrete's shrink test device, including main part 1, one side at 1 top of main part is provided with support 2, the lower surface at 2 top of support is provided with first amesdial 3, one side of support 2 is provided with second amesdial 4, the setting of first amesdial 3 and second amesdial 4 is used for measuring the shrink condition of concrete, the inside upside of main part 1 is provided with mould 5, mould 5 is used for making the concrete piece, the inside downside of main part 1 is provided with motor 6, motor 6's model is 1LT0003, motor 6's transmission end is provided with threaded rod 7, the surface of threaded rod 7 is provided with threaded sleeve 8, threaded sleeve 8's both sides all are provided with dead lever 9, the one end of dead lever 9 all is provided with slider 10, the inner wall of main part 1 both sides all is provided with movable plate 11, threaded sleeve 8's top is provided with movable plate 12, movable plate 12 is used for holding up concrete piece and shifts up, one side at 1 top of main part is provided with mobile rod 13, the tip of mobile rod 13 one side is provided with cylinder 14, the model of cylinder 14 is PBTA16, the middle part of connecting rod 13 is provided with the auxiliary clamp 15, the one end of second clamp 18 that the second clamp is provided with the second clamp 15, the one end of clamp 18, the second clamp 17 is provided with the second clamp 18, the second clamp 18.

In the embodiment, the bracket 2 is welded on one side of the top of the main body 1, the bracket 2 is in an inverted L shape, the first dial indicator 3 and the second dial indicator 4 are fixedly connected with the bracket 2, and the bracket 2 is used for mounting the first dial indicator 3 and the second dial indicator 4; the mould 5 is fixedly arranged at the upper side in the main body 1, one side of the main body 1 is fixedly provided with a control panel, the motor 6 is electrically connected with the control panel through a flexible wire, and the control panel is used for controlling the operation of the motor 6 and the air cylinder 14; the threaded sleeve 8 is in transmission connection with the motor 6 through the threaded rod 7, the moving plate 12 is fixedly connected with the threaded sleeve 8, and the arrangement of the threaded sleeve 8 and the threaded rod 7 forms a transmission mechanism, so that the power of the motor 6 is stably transmitted to the moving plate 12; the threaded sleeve 8 is connected with the sliding groove 11 in a sliding mode through the fixed rod 9 and the sliding block 10, the sliding block 10 and the sliding groove 11 are both in a T shape, and the threaded sleeve 8 is more stable in moving due to the matching of the sliding block 10 and the sliding groove 11; the air cylinder 14 is electrically connected with the control panel through a flexible wire, the main rod 13 is in transmission connection with the air cylinder 14, rotating shafts are arranged at one ends of the main rod 13, the auxiliary rod 15 and the connecting rod 16, the main rod 13, the auxiliary rod 15 and the connecting rod 16 are respectively in movable connection with the connecting rod 16, the second hoop 18 and the first hoop 17 through the rotating shafts, the air cylinder 14 is used for pushing the main rod 13 to move, the auxiliary rod 15 and the connecting rod 16 can be driven to move when the main rod 13 moves, and the first hoop 17 and the second hoop 18 can be driven to clamp and fix concrete when the auxiliary rod 15 and the connecting rod 16 move; the bottom of the first fixing shaft 19, the bottom of the second fixing shaft 20 and the bottom of the third fixing shaft 21 are provided with fixing blocks, and the first fixing shaft 19, the second fixing shaft 20 and the third fixing shaft 21 are fixedly connected with the top of the main body 1 through the fixing blocks.

The utility model discloses a theory of operation and use flow: an operator pours the special concrete into the mold 5, waits for the special concrete to be solidified and molded, and then starts the motor 6 to operate through the control panel, the motor 6 drives the threaded rod 7 to rotate when operating, the threaded rod 7 drives the threaded sleeve 8 to move upwards when rotating, the threaded sleeve 8 drives the sliding block 10 to slide in the sliding groove 11 through the fixed rod 9 when moving upwards, so that the stability of the threaded sleeve 8 when moving upwards is improved, the threaded sleeve 8 drives the moving plate 12 to move upwards while moving upwards, and therefore the special concrete in the mold 5 is conveyed to the top of the device for testing, workers do not need to manually carry the special concrete, the labor capacity of the workers is reduced, and the working efficiency is improved; after the special concrete moves to the top of the device, the cylinder 14 is started to operate through the control panel, the cylinder 14 pushes the main rod 13 during operation, the main rod 13 drives the auxiliary rod 15 and the connecting rod 16 to move through the rotating shaft and the first fixing shaft 19 when pushed, the auxiliary rod 15 and the connecting rod 16 drive the first clamp 17 and the second clamp 18 to clamp and fix the special concrete through the second fixing shaft 20, the third fixing shaft 21 and the rotating shaft when moving, and therefore a good fixing effect is achieved, then the special concrete is measured by using the first dial indicator 3 and the second dial indicator 4 on the support 2, the phenomenon that the special concrete moves in a test is avoided, and the test precision is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a special concrete's shrinkage test device which characterized in that: comprises a main body (1), a support (2) is arranged on one side of the top of the main body (1), a first dial indicator (3) is arranged on the lower surface of the top of the support (2), a second dial indicator (4) is arranged on one side of the support (2), a mold (5) is arranged on the upper side of the inside of the main body (1), a motor (6) is arranged on the lower side of the inside of the main body (1), a threaded rod (7) is arranged at the transmission end of the motor (6), a threaded sleeve (8) is arranged on the surface of the threaded rod (7), fixing rods (9) are arranged on two sides of the threaded sleeve (8), a sliding block (10) is arranged at one end of each fixing rod (9), a sliding groove (11) is arranged on the inner wall of two sides of the main body (1), a movable plate (12) is arranged at the top of the threaded sleeve (8), a main rod (13) is arranged on one side of the top of the main body (1), an air cylinder (14) is arranged at the end of one side of the main rod (13), an auxiliary rod (15) is arranged in the middle of one side of the main rod (13), a connecting rod (16) is arranged at one end of a connecting rod (17), and a clamp (17) is arranged at one end of a second clamp (18), the middle of vice pole (15) and connecting rod (16) is provided with first fixed axle (19), the one end of first clamp (17) is provided with second fixed axle (20), the one end of second clamp (18) is provided with third fixed axle (21).

2. The special concrete shrinkage test device of claim 1, wherein: support (2) welding is in one side at main part (1) top, support (2) are the shape of falling L, first thousandth micrometer (3) and second thousandth micrometer (4) all with support (2) fixed connection.

3. The special concrete shrinkage test device of claim 1, wherein: the die (5) is fixedly installed on the upper side inside the main body (1), a control panel is fixedly arranged on one side of the main body (1), and the motor (6) is electrically connected with the control panel through a flexible wire.

4. The special concrete shrinkage test device of claim 1, wherein: the threaded sleeve (8) is in transmission connection with the motor (6) through the threaded rod (7), and the moving plate (12) is fixedly connected with the threaded sleeve (8).

5. The special concrete shrinkage test device of claim 1, wherein: the threaded sleeve (8) is connected with the sliding groove (11) in a sliding mode through the fixing rod (9) and the sliding block (10), and the sliding block (10) and the sliding groove (11) are both T-shaped.

6. The special concrete shrinkage test device of claim 1, wherein: cylinder (14) are through patchcord and control panel electric connection, mobile jib (13) are connected with cylinder (14) transmission, the one end of mobile jib (13), vice pole (15) and connecting rod (16) all is provided with the pivot, mobile jib (13), vice pole (15) and connecting rod (16) are respectively through pivot and connecting rod (16), second clamp (18) and first clamp (17) swing joint.

7. The special concrete shrinkage test device of claim 1, wherein: the bottom of the first fixed shaft (19), the bottom of the second fixed shaft (20) and the bottom of the third fixed shaft (21) are provided with fixed blocks, and the first fixed shaft (19), the second fixed shaft (20) and the third fixed shaft (21) are fixedly connected with the top of the main body (1) through the fixed blocks.