CN217543119U

CN217543119U - Novel concrete shrinkage test device

Info

Publication number: CN217543119U
Application number: CN202221468492.3U
Authority: CN
Inventors: 刘适豪
Original assignee: Shijiazhuang Tiedao University
Current assignee: Shijiazhuang Tiedao University
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-04
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to a concrete shrinkage test technical field, the utility model provides a novel testing device of concrete shrinkage, it is convenient for carry out different regulation to the grip block on the different positions, be convenient for more fix anomalous concrete piece, measuring result is comparatively accurate, comprising a base plate, be provided with test device body on the bottom plate, two recesses have been seted up on the top of bottom plate, sliding connection has the driving piece in the recess, fixedly connected with movable plate on the driving piece, be provided with on the driving piece and be used for driving the driving piece to carry out gliding drive slip subassembly, the top fixedly connected with horizontal pole of movable plate, two fixed plates of fixedly connected with on the horizontal pole, fixed cover is equipped with the screw ring on the fixed plate, threaded connection has the removal screw on the screw ring, it is connected with the grip block to rotate on the removal screw, be provided with the rotation limiting subassembly on the grip block, the top fixedly connected with dump bin of bottom plate, a plurality of through grooves have been seted up on the dump bin, be provided with the clearance subassembly on the dump bin.

Description

Novel concrete shrinkage test device

Technical Field

The utility model relates to a concrete shrinkage test technical field, concretely relates to novel test device of concrete shrinkage.

Background

As is well known, concrete shrinkage refers to a phenomenon of volume reduction occurring at the early stage of setting or in the hardening process of concrete, and is generally classified as plastic shrinkage (also called sink shrinkage).

Through the retrieval, chinese patent application number is CN201721069260. X's utility model discloses a novel test device of concrete contraction, it is through placing the concrete piece between first supporting seat and second supporting seat, two ejector pins of concrete piece butt respectively at the measuring end of fixed knot structure and digital display amesdial, when the concrete piece takes place to shrink or expand, produce relative roll between live-rollers and the concrete piece, rolling friction's frictional force is littleer, change and embody tiny concrete shrinkage or inflation volume on the digital display amesdial, the detection precision has been improved, but sometimes the concrete piece is irregular shape's soil piece, the device is difficult for fixing irregular shape's soil piece, lead to the concrete piece to take place the displacement easily, lead to the measuring result comparatively inaccurate, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a novel test device of concrete contraction to the prior art that proposes in the solution background is difficult for fixing irregularly shaped's clod, leads to the concrete piece to take place the displacement easily, leads to measuring result comparatively not accurate, the relatively poor problem of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel testing device of concrete shrinkage, includes the bottom plate, be provided with the test device body on the bottom plate, two recesses have been seted up on the top of bottom plate, and sliding connection has the drive piece in the recess, fixedly connected with movable plate on the drive piece is provided with on the drive piece and is used for driving the drive slip subassembly that the drive piece carries out gliding, the top fixedly connected with horizontal pole of movable plate, two fixed plates of fixedly connected with on the horizontal pole, fixed cover is equipped with the screw thread ring on the fixed plate, threaded connection has the removal screw rod on the screw thread ring, it is connected with the grip block to rotate on the removal screw rod, be provided with the limit commentaries on classics subassembly on the grip block, the top fixedly connected with dump bin of bottom plate, a plurality of passing through grooves have been seted up on the top of dump bin, are provided with the clearance subassembly on the dump bin.

Preferably, the driving and sliding assembly comprises a driving screw, the driving screw is rotatably connected in the groove, the driving block is sleeved on the driving screw in a threaded manner, and the driving screw is provided with a driving assembly for driving the driving screw to rotate.

Furthermore, the driving assembly comprises a Z-shaped rotating handle, the Z-shaped rotating handle is fixedly connected to the driving screw rod, and the Z-shaped rotating handle penetrates through the bottom plate and extends to the outside.

Still further, the rotation limiting assembly comprises a plurality of limiting rods, one ends of the limiting rods are fixedly connected to the clamping plate, the fixing plate is slidably sleeved on the limiting rods, the other ends of the limiting rods are fixedly connected with stabilizing plates, the moving screw is rotatably connected to the stabilizing plates, and the moving screw is provided with a driving assembly for driving the moving screw to rotate.

As a further scheme of this scheme, the subassembly that drives changes includes the actuating lever, actuating lever fixed connection is on removing the screw rod, and the actuating lever runs through the stabilizer plate and extends to external and fixedly connected with knob.

As this scheme is further scheme again, the clearance subassembly includes the cleaning plate, cleaning plate sliding connection is on the inside wall of dump bin, and the bottom fixedly connected with clearance brush of cleaning plate, the front end fixedly connected with of cleaning plate move the pole a plurality of pulls.

On the basis of the scheme, a pulling handle is fixedly connected to the pulling rod.

On the basis of the scheme, the bottom end of the waste bin is fixedly connected with a plurality of rubber bulges.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel test device of concrete shrinkage possesses following beneficial effect:

the utility model discloses in, slide through driving smooth subassembly driving band movable block, it removes to drive the movable plate, the movable plate drives the horizontal pole and removes, thereby drive fixed plate and grip block and remove, through rotating the removal screw rod, and the cooperation of limit commentaries on classics subassembly and screw ring, be convenient for drive the grip block and carry out the back-and-forth movement, be convenient for enter into the dump bin through groove concrete block in, and be convenient for clear up the dump bin through clearing up the subassembly, therefore, among the contrast prior art, be difficult for carrying out the problem of fixing to irregular shape's clod, this novel testing device of concrete shrink, be convenient for carry out different regulation to the grip block on the different positions, be convenient for more fix irregular concrete block, be difficult for leading to concrete block to take place the displacement, measuring result is comparatively accurate, and the practicality is stronger.

Drawings

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

FIG. 2 is a schematic view of the assembled and disassembled three-dimensional structure of the movable plate, the cross bar and the fixed plate of the present invention;

FIG. 3 is a schematic view of the exploded perspective structure of the threaded ring, the movable screw, the clamping plate, etc. of the present invention;

fig. 4 is a schematic view of the partial sectional three-dimensional structure of the waste bin, the passing groove, the rubber protrusion and the like.

In the figure: 1. a base plate; 2. a testing device body; 3. driving the block; 4. moving the plate; 5. a cross bar; 6. a fixing plate; 7. a threaded ring; 8. moving the screw; 9. a clamping plate; 10. a waste bin; 11. passing through the slot; 12. a drive screw; 13. a Z-shaped rotating handle; 14. a limiting rod; 15. a stabilizing plate; 16. a drive rod; 17. a rotation knob; 18. cleaning the plate; 19. cleaning the brush; 20. pulling a rod; 21. pulling the handle; 22. and (4) rubber bulges.

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.

Examples

Referring to fig. 1-4, a novel concrete shrinkage testing device comprises a bottom plate 1, a testing device body 2 is arranged on the bottom plate 1, two grooves are formed in the top end of the bottom plate 1, a driving block 3 is connected in the grooves in a sliding mode, a movable plate 4 is fixedly connected to the driving block 3, a driving sliding assembly used for driving the driving block 3 to slide is arranged on the driving block 3, the driving sliding assembly comprises a driving screw 12, the driving screw 12 is connected in the grooves in a rotating mode, the driving block 3 is sleeved on the driving screw 12 in a threaded mode, a driving assembly used for driving the driving screw 12 to rotate is arranged on the driving screw 12, the driving assembly comprises a Z-shaped rotating handle 13, the Z-shaped rotating handle 13 is fixedly connected to the driving screw 12, the Z-shaped rotating handle 13 penetrates through the bottom plate 1 and extends to the outside and is convenient for driving the driving screw 12 to rotate, the Z-shaped rotating handle 13 is rotated to drive the driving screw 12 to drive the driving block 3 to slide, the driving block 3 to slide is convenient for driving the movable plate 4 to slide, a movable plate 5 is fixedly connected to two fixing plates 6.

Further, a threaded ring 7 is fixedly sleeved on the fixed plate 6, a movable screw 8 is in threaded connection with the threaded ring 7, a clamping plate 9 is rotatably connected with the movable screw 8, a rotation limiting assembly is arranged on the clamping plate 9 and comprises a plurality of limiting rods 14, one ends of the limiting rods 14 are fixedly connected to the clamping plate 9, the fixed plate 6 is slidably sleeved on the limiting rods 14, a stabilizing plate 15 is fixedly connected with the other ends of the limiting rods 14, the movable screw 8 is rotatably connected to the stabilizing plate 15, a driving assembly for driving the movable screw 8 to rotate is arranged on the movable screw 8 and comprises a driving rod 16, the driving rod 16 is fixedly connected to the movable screw 8, the driving rod 16 extends to the outside through the stabilizing plate 15 and is fixedly connected with a rotating button 17, so that the driving rod 16 can be driven to rotate, the rotating button 17 drives the driving rod 16 to rotate, the driving rod 16 rotates to drive the movable screw 8 to rotate, the screw is driven to rotate while moving back and forth through the matching of the threaded ring 7, the clamping plate 9 is driven to move back and forth, the clamping plate 9 moves back and forth to drive the limiting rod 14 to slide back and forth, the limiting rod 14 drives the stabilizing plate 15 to move back and forth, the clamping plate 9 is driven to move back and forth, the top end of the bottom plate 1 is fixedly connected with a waste box 10, the bottom end of the waste box 10 is fixedly connected with a plurality of rubber bulges 22, concrete blocks are conveniently placed on the waste box 10 and are not easy to slip, the top end of the waste box 10 is provided with a plurality of through grooves 11, so that crushed slag falling on the concrete blocks can conveniently fall into the waste box 10 through the through grooves 11, the waste box 10 is provided with a cleaning assembly, the cleaning assembly comprises a cleaning plate 18, the cleaning plate 18 is slidably connected on the inner side wall of the waste box 10, and the bottom end of the cleaning plate 18 is fixedly connected with a cleaning brush 19, a plurality of pulling rods 20 are fixedly connected to the front end of the cleaning plate 18, the pulling rods 20 drive the cleaning plate 18 to slide back and forth, the cleaning brush 19 is driven to move back and forth, the waste bin 10 is convenient to clean, and a pulling handle 21 is fixedly connected to each pulling rod 20, so that the pulling rods 20 are convenient to pull.

It should be further noted that the testing device body 2 in the present disclosure is an authorized technology disclosed in patent No. cn201721069260.X, and its internal structure and working principle are well known to those skilled in the art, and are not the innovation point of the present disclosure, which focuses on fixing the concrete block, and therefore, the internal structure and working principle of the present disclosure are not described in detail again.

To sum up, when the novel concrete shrinkage testing device is used, firstly, the novel concrete shrinkage testing device is placed at a place to be used, a concrete block is placed on the waste bin 10, then the Z-shaped rotating handle 13 is rotated, the Z-shaped rotating handle 13 drives the driving screw 12 to rotate, the driving screw 12 rotates to drive the driving block 3 to slide, the driving block 3 slides to drive the moving plate 4 to slide, the moving plate 4 drives the cross rod 5 to approach the concrete block, the cross rod 5 drives the two fixing plates 6 to approach the concrete block, so that the clamping plate 9 also approaches the concrete block, then the rotating knob 17 is rotated, the rotating knob 17 drives the driving rod 16 to rotate, drive bar 16 rotates and drives removal screw 8 and rotate, cooperation through threaded ring 7, it is close to the concrete piece to drive the screw rod limit and rotate, it is close to the concrete piece to drive grip block 9, until grip block 9 contacts the concrete piece, grip block 9 drives gag lever post 14 simultaneously and also is close to the concrete piece, gag lever post 14 drives stabilizer plate 15 and is close to the concrete piece, then through testing device body 2 test can to the concrete piece, when needing to clear up dump bin 10, hold pulling handle 21, pulling rod 20 drives clearance board 18 and slides around, it can to drive clearance brush 19 and carry out the back-and-forth movement.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel testing device of concrete shrinkage, includes bottom plate (1), be provided with test device body (2) on bottom plate (1), its characterized in that, two recesses have been seted up on the top of bottom plate (1), and sliding connection has drive piece (3) in the recess, fixedly connected with movable plate (4) are gone up in drive piece (3), are provided with on the drive piece (3) and are used for driving drive piece (3) to carry out gliding drive slip subassembly, the top fixedly connected with horizontal pole (5) of movable plate (4), two fixed plates (6) of fixedly connected with on horizontal pole (5), fixed cover is equipped with screw ring (7) on fixed plate (6), threaded connection has removal screw rod (8) on screw ring (7), it is connected with grip block (9) to rotate on removal screw rod (8), be provided with the rotation limiting subassembly on grip block (9), the top fixedly connected with dump bin (10) of bottom plate (1), a plurality of lead to groove (11) have been seted up on the top of dump bin (10), are provided with the dump bin (10) and clear up the clean up the subassembly.

2. The concrete shrinkage novel test device according to claim 1, wherein the driving and sliding assembly comprises a driving screw (12), the driving screw (12) is rotatably connected in the groove, the driving block (3) is sleeved on the driving screw (12) in a threaded manner, and a driving assembly for driving the driving screw (12) to rotate is arranged on the driving screw (12).

3. The concrete shrinkage novel test device as claimed in claim 2, wherein the driving assembly comprises a Z-shaped rotating handle (13), the Z-shaped rotating handle (13) is fixedly connected to the driving screw (12), and the Z-shaped rotating handle (13) extends outside through the bottom plate (1).

4. The novel concrete shrinkage testing device according to claim 3, wherein the rotation limiting assembly comprises a plurality of limiting rods (14), one ends of the limiting rods (14) are fixedly connected to the clamping plate (9), the fixing plate (6) is sleeved on the limiting rods (14) in a sliding mode, the other ends of the limiting rods (14) are fixedly connected with stabilizing plates (15), the movable screw (8) is rotatably connected to the stabilizing plates (15), and the movable screw (8) is provided with a driving and rotating assembly for driving the movable screw (8) to rotate.

5. The concrete shrinkage novel test device according to claim 4, characterized in that the driving assembly comprises a driving rod (16), the driving rod (16) is fixedly connected to the moving screw (8), the driving rod (16) extends to the outside through the stabilizing plate (15) and is fixedly connected with a rotating knob (17).

6. The concrete shrinkage novel test device as claimed in claim 5, wherein the cleaning assembly comprises a cleaning plate (18), the cleaning plate (18) is slidably connected to the inner side wall of the waste bin (10), a cleaning brush (19) is fixedly connected to the bottom end of the cleaning plate (18), and a plurality of pulling rods (20) are fixedly connected to the front end of the cleaning plate (18).

7. The concrete shrinkage novel test device as claimed in claim 6, wherein a pulling handle (21) is fixedly connected to the pulling rod (20).

8. The concrete shrinkage novel test device as claimed in claim 7, wherein a plurality of rubber bumps (22) are fixedly connected to the bottom end of the waste bin (10).