CN214067153U

CN214067153U - A slump tester

Info

Publication number: CN214067153U
Application number: CN202023164338.0U
Authority: CN
Inventors: 马大勇; 李振兴; 翁俊伟; 李超
Original assignee: Beijing Guyun Concrete Co ltd
Current assignee: Beijing Guyun Concrete Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-27
Anticipated expiration: 2030-12-24

Abstract

The present application relates to a slump tester, comprising a bottom plate and a slump test cylinder, the bottom plate is provided with two opposite and vertically arranged side baffles, and one of the ends of the two side baffles away from the bottom plate A horizontal plate is connected between the two sides, the slump test cylinder is placed on the bottom plate and is located between the two side baffles, and the opposite side walls of the two side baffles are respectively provided with guide grooves vertically. A vertically arranged reciprocating screw is rotatably connected in the guide groove, a threaded block is threaded on the reciprocating screw, and a linkage assembly is arranged between the threaded block and the slump test cylinder to make the two rise synchronously, so The upper end of the reciprocating screw extends to the horizontal plate, and the horizontal plate is provided with a driving assembly for driving the reciprocating screw. It can facilitate and accurately lift the slump test cylinder and reduce the effect of error of experimental data.

Description

Slump tester

Technical Field

The application relates to the technical field of concrete slump detection, in particular to a slump tester.

Background

Pouring concrete into a horn-shaped slump bucket with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm for three times, uniformly impacting 25 times along the wall of the bucket from outside to inside by using a tamping hammer after each filling, tamping and leveling. And then the barrel is pulled up, the concrete generates a collapse phenomenon due to self weight, and the height of the highest point of the collapsed concrete is subtracted by the height of the barrel, namely the collapse degree.

The manual lifting slump test cylinder mainly used for slump test of concrete in the prior related technical scheme can not ensure that the slump test cylinder can be quickly and accurately lifted at every time when the slump test cylinder is manually lifted, so that errors are generated on experimental data.

SUMMERY OF THE UTILITY MODEL

In order to facilitate an accurate promotion slump test section of thick bamboo, reduce experimental data's error, this application provides a slump tester.

The application provides a slump tester adopts following technical scheme:

the slump tester comprises a bottom plate and a slump testing cylinder, wherein two opposite and vertically-arranged side baffles are arranged on the bottom plate, a transverse plate is connected between one ends, away from the bottom plate, of the side baffles, the slump testing cylinder is placed on the bottom plate and located between the two side baffles, two opposite side walls of the side baffles are respectively and vertically provided with guide grooves, reciprocating lead screws which are vertically arranged are rotatably connected in the guide grooves, threaded blocks are connected on the reciprocating lead screws, a linkage assembly which enables the threaded blocks and the slump testing cylinder to synchronously ascend is arranged between the threaded blocks and the slump testing cylinder, the upper ends of the reciprocating lead screws extend to the transverse plate, and a driving assembly used for driving the reciprocating lead screws is arranged on the transverse plate.

Through adopting above-mentioned technical scheme, through drive assembly, the reciprocal lead screw of control rotates in the guide way of side shield, because the vertical setting of reciprocal lead screw, the thread bush can only be along with the axis direction reciprocating motion setting of reciprocal lead screw in the guide way, the thread bush upwards promotes the slump test section of thick bamboo through the linkage subassembly is synchronous in the vertical migration, because the directional removal of thread bush, make the slump test section of thick bamboo also directional upwards promote when promoting, the accurate promotion slump test section of thick bamboo of being convenient for from this, the error of experimental data has been reduced.

The present application may be further configured in a preferred example to: the driving assembly comprises a worm wheel fixedly arranged on the reciprocating lead screw and coaxially arranged with the reciprocating lead screw, and a worm meshed with the worm wheel and rotatably arranged on the transverse plate, wherein the axis direction of the worm is perpendicular to the axis direction of the reciprocating lead screw.

Through adopting above-mentioned technical scheme, through rotating the worm, the worm wheel that meshes on the reciprocal lead screw when the worm pivoted rotates, through the drive mode of worm and worm wheel, is convenient for control reciprocal lead screw.

The present application may be further configured in a preferred example to: and a hand wheel is fixedly arranged on the worm.

Through adopting above-mentioned technical scheme, the setting of hand wheel is convenient for operate the worm.

The present application may be further configured in a preferred example to: two grooves that slide, two are seted up to interval arrangement on the bottom plate the groove and two the side shield one-to-one slides, the slide board has set firmly on the outer wall of the one end that the side shield laminated mutually with the bottom plate, the slide board laminating just is located the top position department in groove of sliding on the bottom plate, the sliding block that is located the groove of sliding has set firmly on the slide board, be provided with the setting element that is used for advancing the location after sliding to the sliding block on the slide board.

By adopting the technical scheme, the side baffle plates slide along the extending direction of the sliding groove through the sliding side baffle plates, when the side baffle plates slide to be staggered with the slump testing cylinder, the concrete is poured into the slump testing cylinder by an operator conveniently, after the concrete is poured, the side baffle plates slide again, and the two side baffle plates slide to the slump testing cylinder and are positioned between the two side baffle plates.

The present application may be further configured in a preferred example to: the vertical location screw hole of seting up on the slide plate, the setting element includes positioning bolt, positioning bolt threaded connection is downthehole in the location screw hole and compress tightly in the tank bottom in the groove of sliding.

Through adopting above-mentioned technical scheme, through rotating positioning bolt, can realize that positioning bolt moves down or shifts up in the vertical of location threaded hole, positioning bolt moves down and makes its tip compress tightly in the tank bottom of sliding groove, and the board that slides can't freely slide on the bottom plate this moment, realizes the location after offside baffle slides from this.

The present application may be further configured in a preferred example to: an inclined stay bar is connected between the sliding plate and the side baffle, one end of the inclined stay bar is fixedly connected with the sliding plate, and the other end of the inclined stay bar is fixedly connected with the side baffle.

Through adopting above-mentioned technical scheme, constitute stable triangular structure between diagonal brace, slide plate and the side shield three, improved the stability of being connected between slide plate and the side shield.

The present application may be further configured in a preferred example to: the linkage assembly comprises a first connecting rod, a second connecting rod and a hanging rod, the first connecting rod is fixedly arranged on the outer wall of the threaded block and extends out of the side baffle from the inside of the guide groove, the second connecting rod is fixedly arranged on the outer wall of the slump testing cylinder, the hanging rod is fixedly arranged on the first connecting rod, a hanging hole matched with the hanging rod is formed in the second connecting rod, and the hanging rod is inserted into the hanging hole.

By adopting the technical scheme, the transverse plate and the slump testing cylinder are staggered by sliding the side baffle plates, so that the worker can conveniently pour concrete into the slump testing cylinder; when the side baffle slides to the hanging rod and is inserted in the hanging hole, the first connecting rod and the second connecting rod are connected in series to form a whole, and when the threaded block is driven by the driving assembly, the slump testing cylinder can be lifted upwards, so that concrete can be conveniently poured into the slump testing cylinder, and the slump testing cylinder can be lifted.

The present application may be further configured in a preferred example to: the first connecting rod and the second connecting rod are on the same horizontal plane, and the hanging connection rod comprises a connecting part which is coaxial with the first connecting rod and a hanging part which is perpendicular to the connecting part and is inserted in the hanging connection hole.

By adopting the technical scheme, when the first connecting rod moves, because the first connecting rod and the second connecting rod are on the same horizontal plane, the hanging part can be conveniently inserted into the hanging hole and can be conveniently separated from the hanging hole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the reciprocating screw rod is controlled to rotate in the guide groove of the side baffle through the driving assembly, the reciprocating screw rod is vertically arranged, the thread sleeve is only arranged in the guide groove in a reciprocating mode along the axis direction of the reciprocating screw rod, the thread sleeve synchronously lifts the slump test cylinder upwards through the linkage assembly while moving vertically, and the slump test cylinder is lifted upwards directionally due to the directional movement of the thread sleeve, so that the slump test cylinder is lifted accurately, and errors of experimental data are reduced;

2. through rotating positioning bolt, can realize that positioning bolt moves down or shifts up in the vertical of location threaded hole, positioning bolt moves down and makes its tip compress tightly in the tank bottom of sliding groove, and the board that slides can't freely slide on the bottom plate this moment, realizes the location after offside baffle slides from this.

Drawings

FIG. 1 is a schematic structural diagram of a slump tester according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a portion of an embodiment of the present application;

FIG. 3 is an exploded view of an embodiment of the present application showing the space between the bottom plate and the side dam;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a partial structural schematic view showing a slump testing cylinder, a first link and a second link in an embodiment of the present application.

In the figure, 1, a bottom plate; 11. a sliding groove; 2. a slump test cartridge; 21. a funnel; 3. a side dam; 31. a guide groove; 32. a slide plate; 321. a sliding block; 4. a transverse plate; 41. an ear plate; 5. a reciprocating screw; 51. a thread block; 511. rotating the threaded hole; 61. a first link; 62. a second link; 621. hanging holes; 63. hanging a connecting rod; 631. a connecting portion; 632. a hanging part; 7. a drive assembly; 71. a worm gear; 72. a worm; 721. a hand wheel; 8. a connecting shaft; 9. a diagonal brace; 101. and (6) positioning the bolt.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses slump tester refers to 1, including bottom plate 1 and slump test section of thick bamboo 2, bottom plate 1 sets up to the rectangle, and slump test section of thick bamboo 2 places in the central point department of putting of 1 upper surface of bottom plate, and slump test section of thick bamboo 2 is vertical to be placed, and slump test section of thick bamboo 2's upper end sets up to the osculum, and slump test section of thick bamboo 2's upper end has set firmly funnel 21, and funnel 21 sets up with slump test section of thick bamboo 2 coaxial.

Referring to fig. 1 and 2, two side baffles 3 are arranged on a bottom plate 1, the two side baffles 3 are arranged relatively and vertically, the two side baffles 3 are arranged at intervals along the width direction of the bottom plate 1, a slump testing cylinder 2 is located between the two side baffles 3, a transverse plate 4 is connected between the upper ends of the two side baffles 3, and the two side baffles 3 and the transverse plate 4 are integrally arranged in a U shape.

Referring to fig. 2 and 3, guide grooves 31 have been seted up respectively to the relative lateral wall of two side shields 3, and the notch of two guide grooves 31 sets up relatively, and guide groove 31 extends the setting along the direction of height of side shield 3, is provided with reciprocal lead screw 5 in the guide groove 31, and reciprocal lead screw 5 is vertical to be set up, and the lower extreme of reciprocal lead screw 5 is connected with the tank bottom gyration of guide groove 31, and the upper end of reciprocal lead screw 5 runs through behind the roof of guide groove 31 and extends to on the diaphragm 4.

Referring to fig. 3 and 4, a thread block 51 is arranged in the guide groove 31, a rotary threaded hole 511 is vertically formed in the thread block 51, and the reciprocating screw 5 is inserted into the rotary threaded hole 511 in the thread block 51 and is in threaded connection with the thread block 51.

Referring to fig. 4 and 5, a linkage assembly is arranged between the screw block 51 and the slump testing barrel 2, the linkage assembly comprises a first connecting rod 61, a second connecting rod 62 and a hanging rod 63, the first connecting rod 61 and the second connecting rod 62 are on the same horizontal plane, one end of the first connecting rod 61 is fixedly connected with the side wall of the screw block 51 facing the notch of the guide groove 31, and the other end of the first connecting rod 61 extends in a direction close to the second connecting rod 62. The second connecting rod 62 is horizontally arranged, one end of the second connecting rod 62 is fixedly connected to the outer wall of the slump testing cylinder 2, and the other end of the second connecting rod 62 extends in a direction close to the first connecting rod 61.

Hang and connect pole 63 includes connecting portion 631 and hitching part 632, and the one end of connecting portion 631 is connected on the tip border position that first connecting rod 61 kept away from screw block 51, and hitching part 632 sets up with connecting portion 631 perpendicularly, and the one end of hitching part 632 and the one end fixed connection that connecting portion 631 kept away from first connecting rod 61. The second connecting rod 62 is provided with a hanging hole 621, when the hanging part 632 is translated to be inserted into the hanging hole 621, the upper and lower top walls of the hanging part 632 are respectively attached to the upper and lower top walls of the hanging hole 621, and the end parts of the second connecting rod 62 and the first connecting rod 61 are attached to each other.

Referring to fig. 1 and 5, the side guard 3 slides with the first link 61 by sliding the side guard 3, when the first link 61 slides, the hooking part 632 on the first link 61 is inserted into the hooking hole 621 on the second link 62, and the screw block 51 lifts the slump testing cartridge 2 upward when moving upward by the cooperation of the first link 61 and the second link 62.

Referring to fig. 2, the transverse plate 4 is provided with a driving assembly 7, the driving assembly 7 includes two worm gears 71 and a worm 72, the two worm gears 71 correspond to the two reciprocating lead screws 5, the worm gears 71 are fixedly connected to the reciprocating lead screws 5 and extend out of the upper end of the transverse plate 4, and the worm gears 71 and the reciprocating lead screws 5 are coaxially arranged. Two worms 72 are arranged, the two worms 72 correspond to the two worm wheels 71, the worms 72 are meshed with the worm wheels 71, the connecting shaft 8 is fixedly connected between the two worms 72, and the connecting shaft 8 and the worms 72 are coaxially arranged.

The transverse plate 4 is fixedly provided with a plurality of lug plates 41, the lug plates 41 are arranged at intervals along the length direction of the transverse plate 4, the lug plates 41 are provided with rotating holes, and the connecting shaft 8 penetrates through the rotating holes of the lug plates 41 and is rotatably connected with the lug plates 41.

A hand wheel 721 is fixedly arranged on the end of one of the worms 72.

Referring to fig. 3, two sliding grooves 11 have been seted up on the bottom plate 1, two sliding grooves 11 and two side shields 3 one-to-one, sliding groove 11 extends the setting along the length direction of bottom plate 1, and the width of side shield 3 is greater than sliding groove 11's width, and side shield 3's lower extreme laminating just has sliding groove 11's position department on bottom plate 1. The lateral wall of 3 lower extremes of side shield sets firmly the slide plate 32, and the width of slide plate 32 is unanimous with the width of side shield 3, and the length direction of slide plate 32 is unanimous with the length direction of side shield 3, and the position department that just has sliding groove 11 of slide plate 32 laminating on bottom plate 1, and the lower surface of slide plate 32 sets firmly sliding block 321, and sliding block 321 is located sliding groove 11 and slides along sliding groove 11's extending direction and sets up. The side baffle 3 can be arranged on the bottom plate 1 in a directional sliding mode through the sliding of the sliding block 321 in the sliding groove 11.

Be provided with diagonal brace 9 between slide plate 32 and side shield 3, the one end of diagonal brace 9 and the lateral wall fixed connection of side shield 3, the other end of diagonal brace 9 and the one side fixed connection that slide plate 32 deviates from bottom plate 1, through the setting reinforcing of diagonal brace 9 slide plate 32 and the stability of being connected between side shield 3.

Be provided with the setting element on the slide plate 32, vertical division can have the location screw hole on the slide plate 32, and the setting element includes positioning bolt 101, positioning bolt 101 and location screw hole looks adaptation, and positioning bolt 101's lower extreme wears to locate behind the location screw hole butt in the tank bottom of sliding groove 11, positioning bolt 101 and location screw hole threaded connection.

The implementation principle of the embodiment is as follows: sliding the side baffle 3, so that the side baffle 3 slides to the side far away from the slump testing cylinder 2 until the transverse plate 4 and the slump testing cylinder 2 are staggered, at the moment, a worker adds concrete into the hopper 21, the concrete is uniformly arranged in the slump testing cylinder 2 in three layers, the height of each layer of concrete after tamping is about one third of the height of the cylinder, the concrete at the uppermost layer is flatly laid at the uppermost end of the slump testing cylinder 2, then the side baffle 3 slides again, so that the side baffle 3 slides to the side close to the slump testing cylinder 2 until the transverse plate 4 is positioned at the upper position of the slump testing cylinder 2, and meanwhile, the hanging part 632 on the first connecting rod 61 is plugged in the hanging hole 621 of the second connecting rod 62;

at this time, the positioning bolt 101 is screwed, so that the end part of the positioning bolt 101 is pressed against the bottom of the sliding groove 11, the side baffle 3 is kept fixed on the bottom plate 1, the hand wheel 721 is manually rotated, the hand wheel 721 drives the worm 72 to rotate, the worm 72 is meshed with the worm wheel 71 to rotate, the worm wheel 71 drives the reciprocating lead screw 5 to rotate in the guide groove 31, the reciprocating lead screw 5 rotates while enabling the thread block 51 to move upwards, and at this time, the first connecting rod 61 and the second connecting rod 62 synchronously move upwards, so that the slump testing cylinder 2 is directionally lifted upwards, smooth implementation of the experiment is guaranteed, and accuracy of the experiment is also guaranteed.

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

Claims

1. A slump tester, comprising a bottom plate (1) and a slump test cylinder (2), characterized in that: the bottom plate (1) is provided with two opposite and vertically arranged side baffles ( 3), a transverse plate (4) is connected between the ends of the two side baffles (3) away from the bottom plate (1), and the slump test cylinder (2) is placed on the bottom plate (1) and located between the two sides. Between the side baffles (3), the opposite side walls of the two side baffles (3) are respectively provided with guide grooves (31) vertically, and the guide grooves (31) are rotatably connected with vertical guide grooves (31). A reciprocating screw (5) is provided, a threaded block (51) is threadedly connected to the reciprocating screw (5), and a threaded block (51) and a slump test cylinder (2) are provided with A linkage assembly that rises synchronously, the upper end of the reciprocating screw (5) extends to the horizontal plate (4), and the horizontal plate (4) is provided with a drive assembly (7) for driving the reciprocating screw (5). ).

2 . The slump tester according to claim 1 , wherein the drive assembly ( 7 ) comprises a set on the reciprocating screw ( 5 ) and is coaxial with the reciprocating screw ( 5 ). 3 . The worm gear (71) and the worm gear (71) are engaged with the worm gear (71) and are rotatably arranged on the horizontal plate (4), the axis direction of the worm screw (72) is perpendicular to the axis direction of the reciprocating screw (5). set up.

3. The slump tester according to claim 2, wherein a handwheel (721) is fixed on the worm (72).

4. A slump tester according to claim 1, characterized in that: two sliding grooves (11) are arranged at intervals on the bottom plate (1), and the two sliding grooves (11) ) is in one-to-one correspondence with the two side baffles (3), and a sliding plate (32) is fixed on the outer wall of the end of the side baffle (3) that is in contact with the bottom plate (1). The sliding plate (32) is attached to the bottom plate (1) and is located at an upper position of the sliding groove (11), and a sliding block located in the sliding groove (11) is fixed on the sliding plate (32). (321), the sliding plate (32) is provided with a positioning member for positioning the sliding block (321) after sliding.

5. A slump tester according to claim 4, characterized in that: the sliding plate (32) is vertically provided with positioning screw holes, and the positioning member comprises a positioning bolt (101), so The positioning bolt (101) is screwed into the positioning screw hole and pressed against the groove bottom of the sliding groove (11).

6 . The slump tester according to claim 5 , wherein a diagonal strut ( 9 ) is connected between the sliding plate ( 32 ) and the side baffle ( 3 ). One end of the strut (9) is fixedly connected with the sliding plate (32), and the other end is fixedly connected with the side baffle (3).

7 . The slump tester according to claim 4 , wherein the linkage assembly comprises a side baffle ( 3) The first connecting rod (61) outside, the second connecting rod (62) fixed on the outer wall of the slump test cylinder (2), and the hooking rod (62) fixed on the first connecting rod (61) 63), the second connecting rod (62) is provided with a hooking hole (621) for use with the hooking rod (63), and the hooking rod (63) is inserted into the hooking hole (621) Inside.

8. A slump tester according to claim 7, characterized in that: the first connecting rod (61) and the second connecting rod (62) are on the same horizontal plane, and the hooking rod (63) ) comprises a connecting part (631) arranged coaxially with the first connecting rod (61) and a hooking part (632) vertically arranged with the connecting part (631) and inserted into the hooking hole (621).