CN209841872U

CN209841872U - A equipment for concrete slump detects

Info

Publication number: CN209841872U
Application number: CN201920570601.4U
Authority: CN
Inventors: 郭奇
Original assignee: Tianjin Xinxing Testing Technology Co Ltd
Current assignee: Tianjin Xinxing Testing Technology Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2019-12-24
Anticipated expiration: 2029-04-25

Abstract

The utility model relates to an equipment for slump detects. The support frame comprises two groups of support columns and a support top plate fixedly connected on the support columns; a workbench hinged with the base box is arranged between the two groups of support columns, and a turnover driving device is arranged below the workbench; a material pushing mechanism is arranged on the workbench; a slump bucket with a support arm is arranged between the two groups of support columns; a measuring component is arranged on the supporting column; the barrel longitudinal moving device is rotationally connected with the support arm; the overturning driving device comprises two groups of hinged shaft seats fixedly connected with the top surface of the base box, a hinged shaft is arranged between the hinged shaft seats, and a seat type bearing rotatably connected with the hinged shaft is fixedly connected with the bottom surface of the workbench; a second hinge seat is arranged on the bottom surface of the workbench, and a first hinge seat is arranged in the base box; an overturning cylinder is hinged between the first hinging seat and the second hinging seat. The utility model discloses the measurement process disturbance is little, the accurate and clearance process of measuring result is simple.

Description

A equipment for concrete slump detects

Technical Field

The utility model belongs to the technical field of the concrete detection equipment, especially, relate to an equipment for slump detects.

Background

The concrete mix must have good workability, facilitating construction, to ensure good pouring quality. Workability includes fluidity, cohesiveness, and water retention. At present, slump tests are generally carried out on construction sites and laboratories to measure the fluidity of the mixture, and visual experience is used for evaluating the cohesiveness and the water retention.

The main process of the concrete mixture slump test is as follows: pouring concrete into a horn-shaped slump bucket with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm, filling 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. Then the barrel is pulled up, the concrete generates the collapse phenomenon due to the dead weight, and the height of the highest point of the concrete after the collapse is subtracted by the barrel height (300mm), which is called the collapse degree.

At present, the slump test of concrete is mainly carried out manually, and a slump cylinder cannot be vertical in the lifting process, so that the concrete can be disturbed, and the accuracy of the slump test of the concrete is further influenced. In addition, after the slump is detected, concrete on the working table surface needs to be cleaned, and the manual cleaning process is complex.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem who exists among the known art and provide a measuring process disturbance little, the accurate and simple equipment that is used for concrete slump of clearance process of measuring result and detect.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: the equipment for detecting the concrete slump comprises a base box, wherein a support frame is fixedly connected to the top of the base box and comprises two groups of support columns which are longitudinally arranged and a support top plate which is fixedly connected to the tops of the support columns; a workbench which is hinged with the base box and can be overturned along a horizontal axis is arranged between the two groups of support columns, and an overturning driving device which can drive the workbench to do downward overturning motion is arranged below the workbench; a pushing mechanism capable of cleaning concrete is arranged at the end part of the top surface of the workbench; a slump bucket is arranged between the two groups of support columns, and two groups of support arms which are transversely arranged are fixedly connected to the outer wall of the slump bucket; a measuring component capable of measuring the slump of the concrete is arranged on the supporting column; a material receiving box capable of receiving concrete is arranged on the front side of the base box; the barrel longitudinal movement device is rotationally connected with the support arm and can drive the slump barrel to longitudinally move; the overturning driving device comprises two groups of hinge shaft seats which are oppositely arranged and fixedly connected with the front end of the top surface of the base box, a transverse hinge shaft is fixedly connected between the two groups of hinge shaft seats, and a seat type bearing which is rotatably connected with the hinge shaft is fixedly connected with the bottom surface of the workbench; a second hinge seat is fixedly connected to the bottom surface of the workbench and the side opposite to the position of the seat bearing, and a first hinge seat is fixedly connected to the bottom of the inner cavity of the base box; a turnover cylinder is hinged between the first hinge seat and the second hinge seat; the top of the base box is provided with a through groove for the turnover cylinder to pass through and move.

The utility model has the advantages that: the utility model provides an equipment for concrete slump detection, compare with prior art, the utility model discloses a set up the bucket and indulge the device and can guarantee that the slump bucket moves upwards perpendicularly, the disturbance that the non-vertical motion of slump bucket caused the concrete when having avoided artifical to extract the slump bucket has improved the accuracy of experimental result; the arrangement of the measuring component can accurately measure the slump of the concrete; the turnover driving device can turn the workbench and pour the concrete on the table top into the material receiving box, and the pushing mechanism can clean the table top of the workbench, so that the complex operation of manual cleaning is avoided.

Preferably: the cylinder barrel of the turnover cylinder is hinged with the first hinge base, and the piston rod of the turnover cylinder is hinged with the second hinge base.

Preferably: the top of the base box is fixedly connected with a plurality of groups of supporting rods, and the tops of the supporting rods are in contact with the bottom surface of the workbench in a horizontal state.

Preferably: the barrel longitudinal movement device comprises two groups of lead screws longitudinally arranged between the two groups of support columns, and the lead screws are rotationally connected with the support top plate and the support columns through rolling bearings; the support arm is provided with a nut and is rotationally connected with the screw rod through the nut; the screw rod driving mechanism can drive the two groups of screw rods to synchronously rotate.

Preferably: the screw rod driving mechanism comprises a driving motor fixedly connected with the top plate of the bracket, and a driving belt wheel is connected with an output shaft of the driving motor in a key manner; a transmission shaft longitudinally arranged is rotatably connected to the support top plate, penetrates through the support top plate and is in key connection with a driven belt pulley positioned above the top surface of the support top plate and a driving gear positioned below the bottom surface of the support top plate; a belt is in transmission connection between the driving belt wheel and the driven belt wheel; the two groups of lead screws are connected with driven gears in a key-on mode, the driving gears and the driven gears are located on the same horizontal plane, and chains are connected between the driving gears and the driven gears in a transmission mode.

Preferably: and a transmission shaft seat is fixedly connected to the bottom surface of the top plate of the support, and the transmission shaft is rotatably connected with the transmission shaft seat through a rolling bearing.

Preferably: the lower parts of the opposite surfaces of the two groups of supporting columns are fixedly connected with screw mounting pieces, and screws are rotatably connected with the screw mounting pieces through rolling bearings.

Preferably: the bottom surface of the top plate of the bracket is provided with a chain tension wheel which can tension the chain.

Preferably: the pushing mechanism comprises a pushing mounting seat fixedly connected with a linear bearing, the pushing mounting seat is fixedly connected to the top surface of the workbench, the position of the top surface of the workbench is adjacent to the second hinge seat, the pushing mounting seat is connected with a transversely arranged push rod in a sliding mode through the linear bearing, the inner end of the push rod is fixedly connected with a longitudinally arranged pushing plate, and the outer end of the push rod is fixedly connected with a longitudinally arranged limiting plate; the material pushing plate can do linear motion along the top surface of the workbench under the action of the push rod so as to push the concrete into the material receiving box.

Preferably: the measuring assembly comprises two groups of transversely arranged fixed rods fixedly connected to the lower part of the supporting column, a longitudinally arranged sliding rod is fixedly connected between the two groups of fixed rods, measuring scales are arranged on the sliding rods, and the distance from a zero scale mark of the measuring scales to the workbench in a horizontal state is the same as the height of the slump barrel; the sliding rod is sleeved with a sliding sleeve which can slide along the outer wall of the sliding sleeve, the outer wall of the sliding sleeve is fixedly connected with a transversely arranged measuring rod, and the sliding sleeve is provided with a locking piece which can fix the position of the sliding sleeve.

Drawings

Fig. 1 is a schematic view of the partial sectional structure of the front view of the present invention;

FIG. 2 is a side view, partially cross-sectional structural schematic of the present invention;

fig. 3 is a sectional view taken along line a-a of fig. 1.

In the figure: 1. a base case; 1-1, a through groove; 2. a turnover driving device; 2-1, a first hinge base; 2-2, mounting a cylinder; 2-3, turning over the air cylinder; 2-4, hinge shaft seats; 2-5, a seat type bearing; 2-6, a hinged shaft; 2-7, a support rod; 2-8, a second hinge base; 3. a work table; 4. a material pushing mechanism; 4-1, a material pushing plate; 4-2, pushing material mounting seats; 4-3, a push rod; 4-4, limiting plates; 5. a measurement assembly; 5-1, measuring rod; 5-2, fixing a rod; 5-3, sliding sleeves; 5-4, a locking piece; 5-5, a slide bar; 6. a support frame; 6-1, a support column; 6-2, a support top plate; 7. a lead screw mounting member; 8. a support arm; 9. a slump bucket; 10. a barrel longitudinally moving device; 10-1, driving a motor; 10-2, a driving belt pulley; 10-3, a belt; 10-4, a transmission shaft; 10-5, a driven belt wheel; 10-6, a chain tensioning wheel; 10-7, a transmission shaft seat; 10-8, a driving gear; 10-9, a chain; 10-10 of a nut; 10-11, a lead screw; 10-12, a driven gear; 11. and a material receiving box.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:

referring to fig. 1 and 2, the apparatus for detecting concrete slump of the present invention includes a base box 1, a support frame 6 fixed to the top of the base box 1, the support frame 6 including two sets of support columns 6-1 arranged longitudinally and a support top plate 6-2 fixed to the top of the support columns 6-1. A receiving box 11 capable of receiving concrete is arranged at the front side of the base box 1.

A workbench 3 which is hinged with the base box 1 and can overturn along a horizontal axis is arranged between the two groups of supporting columns 6-1, and an overturn driving device 2 which can drive the workbench 3 to do downward overturn motion is arranged below the workbench 3.

The overturning driving device 2 comprises two groups of hinged shaft seats 2-4 which are oppositely arranged and fixedly connected with the front end of the top surface of the base box 1, a transversely arranged hinged shaft 2-6 is fixedly connected between the two groups of hinged shaft seats 2-4, and a seat type bearing 2-5 which is rotatably connected with the hinged shaft 2-6 is fixedly connected with the bottom surface of the workbench 3; a second hinged seat 2-8 is fixedly connected to the bottom surface of the workbench 3 and the side opposite to the position of the seat type bearing 2-5, and a cylinder mounting plate 2-2 which is transversely arranged is fixedly connected to the inner cavity of the base box 1; the top surface of the cylinder mounting plate 2-2 is fixedly connected with a first hinge seat 2-1.

A turnover cylinder 2-3 is hinged between the first hinged seat 2-1 and the second hinged seat 2-8; the cylinder barrel of the overturning cylinder 2-3 is hinged with the first hinged seat 2-1, and the piston rod is hinged with the second hinged seat 2-8. The top of the base box 1 is provided with a through groove 1-1 through which the turnover cylinder 2-3 can pass and move. The top of the base box 1 is fixedly connected with a plurality of groups of supporting rods 2-7, and the tops of the supporting rods 2-7 are contacted with the bottom surface of the workbench 3 in a horizontal state.

A pushing mechanism 4 capable of cleaning concrete is arranged at the end part of the top surface of the workbench 3, the pushing mechanism 4 comprises a pushing mounting seat 4-2 fixedly connected with a linear bearing, the pushing mounting seat 4-2 is fixedly connected to the top surface of the workbench 3 near a second hinged seat 2-8, the pushing mounting seat 4-2 is connected with a transversely arranged push rod 4-3 in a sliding manner through the linear bearing, the inner end of the push rod 4-3 is fixedly connected with a longitudinally arranged pushing plate 4-1, and the outer end of the push rod 4-3 is fixedly connected with a longitudinally arranged limiting plate 4-4; the material pushing plate 4-1 can do linear motion along the top surface of the workbench 3 under the action of the pushing rod 4-3 so as to push the concrete into the material receiving box 11.

A slump bucket 9 is arranged between the two groups of support columns 6-1, and two groups of support arms 8 which are transversely arranged are fixedly connected to the outer wall of the slump bucket 9; the support arms 8 are transversely arranged, and the central lines of the two groups of support arms 8 in the length direction are collinear. And a barrel longitudinal movement device 10 which is rotationally connected with the support arm 8 and can drive the slump barrel 9 to move longitudinally.

The barrel longitudinally-moving device 10 comprises two groups of lead screws 10-11 longitudinally arranged between two groups of supporting columns 6-1, and the height of the longitudinally-moving lead screws 2-11 is more than twice of the height of the slump barrel 9. The screw rod 10-11 is rotationally connected with the support top plate 6-2 and the support pillar 6-1 through a rolling bearing, and the concrete expression is as follows: the lower parts of the opposite surfaces of the two groups of supporting columns 6-1 are fixedly connected with screw rod mounting pieces 7, and screw rods 10-11 are rotatably connected with the screw rod mounting pieces 7 through rolling bearings. A screw nut 10-10 is arranged on the support arm 8, and the support arm 8 is rotationally connected with a screw rod 10-11 through the screw nut 10-10; the automatic screw-driving mechanism also comprises a screw driving mechanism which can drive the two groups of screws 10-11 to synchronously rotate.

As shown in fig. 1 and 3, the screw driving mechanism comprises a driving motor 10-1 fixedly connected with a top plate 6-2 of the bracket, and an output shaft of the driving motor 10-1 is in key connection with a driving pulley 10-2; the top plate 6-2 of the bracket is rotatably connected with a transmission shaft 10-4 which is longitudinally arranged, the bottom surface of the top plate 6-2 of the bracket is fixedly connected with a transmission shaft seat 10-7, and the transmission shaft 10-4 is rotatably connected with the transmission shaft seat 10-7 through a rolling bearing.

The transmission shaft 10-4 penetrates through the support top plate 6-2 and is in parallel key connection with a driven pulley 10-5 positioned above the top surface of the support top plate 6-2 and a driving gear 10-8 positioned below the bottom surface of the support top plate 6-2; a belt 10-3 is in transmission connection between the driving belt wheel 10-2 and the driven belt wheel 10-5; driven gears 10-12 are connected to two groups of screw rods 10-11 in a key mode, the driving gears 10-8 and the driven gears 10-12 are located on the same horizontal plane, and chains 10-9 are connected between the driving gears 10-8 and the driven gears 10-12 in a transmission mode. The bottom surface of the bracket top plate 6-2 is provided with a chain tension pulley 10-6 which can play a tensioning role for the chain 10-9.

The working process of the screw rod driving mechanism is as follows: the driving motor 10-1 rotates to drive the driving belt wheel 10-2 to rotate, and the driving belt wheel 10-2 and the belt 10-3 act together to drive the driven belt wheel 10-5 to rotate; the driven belt wheel 10-5 rotates to drive the driving gear 10-8, and the driving gear 10-8 and the chain 10-9 cooperate to drive the two sets of driven gears 10-12 to synchronously rotate so as to drive the two sets of screw rods 10-11 to synchronously rotate. The transmission effect among all parts of the screw rod driving mechanism is stable, and the longitudinal moving screw rods 10-11 can be driven to stably and synchronously rotate.

A measuring component 5 capable of measuring the slump of the concrete is arranged on the supporting column 6-1; the measuring component 5 comprises two groups of fixed rods 5-2 which are transversely arranged and fixedly connected with the lower part of the supporting column 6-1, a sliding rod 5-5 which is longitudinally arranged is fixedly connected between the two groups of fixed rods 5-2, measuring scales are arranged on the sliding rod 5-5, and the distance from a zero scale mark of the measuring scales to the workbench 3 in a horizontal state is the same as the height of the slump bucket 9; a sliding sleeve 5-3 which can slide along the outer wall of the sliding sleeve 5-5 is sleeved on the sliding rod 5-5, a transversely arranged measuring rod 5-1 is fixedly connected to the outer wall of the sliding sleeve 5-3, and the lower edge of the measuring rod 5-1 is flush with the lower edge of the sliding sleeve 5-3; a locking piece 5-4 which can fix the position of the sliding sleeve 5-3 is arranged on the sliding sleeve 5-3. The locking piece 5-4 can adopt a bolt in threaded connection with the sliding sleeve 5-3, the inner end of the bolt extends to the inner cavity of the sliding sleeve 5-3, and the outer end of the bolt is provided with a knob.

When the slump of the concrete needs to be measured, the locking piece 5-4 is loosened and the sliding sleeve 5-3 is controlled to move, the measuring rod 5-1 stops when moving to be in contact with the top of the concrete, then the scale of the lower edge of the measuring rod 5-1 is read out, the slump of the concrete can be known, and after the measurement is finished, the measuring rod 5-1 is moved to other positions and the locking piece 5-4 is screwed.

The working process is as follows: loosening the locking piece 5-4, rotating the sliding sleeve 5-3, and moving the measuring rod 5-1 to a position where the slump detection of the concrete is not influenced; the driving motor 10-1 is started so that the lower port of the slump cone 9 is tightly fastened on the top surface of the worktable 3. The mixed concrete is loaded into the cylinder body in three layers, each layer is one third of the height of the cylinder, each layer is spirally vibrated for 25 times, and the concrete falls on the center in the last time. And adding a mixture at any time in the last vibrating process, and finally leveling the concrete. After the collapse degree barrel 9 is completely pulled out, the driving motor 10-1 is started to enable the collapse degree barrel 9 to vertically ascend, and errors caused by the fact that the collapse degree barrel 9 cannot be pulled out vertically are avoided; after the slump bucket 9 is pulled out, the slump of the concrete is measured and read and recorded by the measuring assembly 6, after the detection is finished, the overturning cylinder 2-3 is started, the workbench 3 overturns around the axis of the articulated shaft 2-6 under the action of the starting overturning cylinder 2-3, and the concrete on the workbench 3 slides to the material receiving box 11 under the action of gravity; the staff can promote push rod 4-3 and carry out further clearance to the mesa of workstation 3, and operation process is simple.

Claims

1. A equipment for concrete slump detects, characterized by: the device comprises a base box (1), wherein a support frame (6) is fixedly connected to the top of the base box (1), and the support frame (6) comprises two groups of support columns (6-1) which are longitudinally arranged and a support top plate (6-2) fixedly connected to the tops of the support columns (6-1); a workbench (3) which is hinged with the base box (1) and can turn over along a horizontal axis is arranged between the two groups of supporting columns (6-1), and a turning driving device (2) which can drive the workbench (3) to do downward turning motion is arranged below the workbench (3); a pushing mechanism (4) capable of cleaning concrete is arranged at the end part of the top surface of the workbench (3); a slump bucket (9) is arranged between the two groups of support columns (6-1), and two groups of support arms (8) which are transversely arranged are fixedly connected to the outer wall of the slump bucket (9); a measuring component (5) capable of measuring the slump of the concrete is arranged on the supporting column (6-1); a material receiving box (11) capable of receiving concrete is arranged on the front side of the base box (1); the barrel longitudinal movement device (10) is rotationally connected with the support arm (8) and can drive the slump barrel (9) to longitudinally move;

the overturning driving device (2) comprises two groups of hinged shaft seats (2-4) which are oppositely arranged and fixedly connected with the front end of the top surface of the base box (1), a transverse hinged shaft (2-6) is fixedly connected between the two groups of hinged shaft seats (2-4), and a seat type bearing (2-5) which is rotatably connected with the hinged shaft (2-6) is fixedly connected with the bottom surface of the workbench (3); a second hinged seat (2-8) is fixedly connected to the bottom surface of the workbench (3) and the side opposite to the position of the seat bearing (2-5), and a first hinged seat (2-1) is fixedly connected to the bottom of the inner cavity of the base box (1); a turnover cylinder (2-3) is hinged between the first hinge seat (2-1) and the second hinge seat (2-8);

the top of the base box (1) is provided with a through groove (1-1) through which the turnover cylinder (2-3) can pass and move.

2. The apparatus for concrete slump detection as claimed in claim 1, wherein: the cylinder barrel of the turnover cylinder (2-3) is hinged with the first hinged seat (2-1), and the piston rod is hinged with the second hinged seat (2-8).

3. The apparatus for concrete slump detection as claimed in claim 1, wherein: a plurality of groups of supporting rods (2-7) are fixedly connected to the top of the base box (1), and the tops of the supporting rods (2-7) are in contact with the bottom surface of the workbench (3) in a horizontal state.

4. The apparatus for concrete slump detection as claimed in claim 1, wherein: the barrel longitudinal movement device (10) comprises two groups of lead screws (10-11) longitudinally arranged between the two groups of support columns (6-1), and the lead screws (10-11) are rotationally connected with the support top plate (6-2) and the support columns (6-1) through rolling bearings; a screw nut (10-10) is arranged on the support arm (8), and the support arm (8) is rotationally connected with a screw rod (10-11) through the screw nut (10-10); the screw rod driving mechanism can drive two groups of screw rods (10-11) to synchronously rotate.

5. The apparatus for concrete slump detection as claimed in claim 4, wherein: the screw rod driving mechanism comprises a driving motor (10-1) fixedly connected with a support top plate (6-2), and an output shaft of the driving motor (10-1) is in key connection with a driving belt wheel (10-2); a transmission shaft (10-4) which is longitudinally arranged is rotatably connected on the support top plate (6-2), the transmission shaft (10-4) penetrates through the support top plate (6-2) and is in key connection with a driven belt wheel (10-5) which is positioned above the top surface of the support top plate (6-2) and a driving gear (10-8) which is positioned below the bottom surface of the support top plate (6-2); a belt (10-3) is in transmission connection between the driving belt wheel (10-2) and the driven belt wheel (10-5); driven gears (10-12) are connected to the two groups of screw rods (10-11) in a key mode, the driving gears (10-8) and the driven gears (10-12) are located on the same horizontal plane, and chains (10-9) are connected between the driving gears (10-8) and the driven gears (10-12) in a transmission mode.

6. The apparatus for concrete slump detection as claimed in claim 5, wherein: a transmission shaft seat (10-7) is fixedly connected to the bottom surface of the support top plate (6-2), and the transmission shaft (10-4) is rotatably connected with the transmission shaft seat (10-7) through a rolling bearing.

7. The apparatus for concrete slump detection as claimed in claim 4, wherein: and the lower parts of the opposite surfaces of the two groups of supporting columns (6-1) are fixedly connected with screw rod mounting parts (7), and the screw rods (10-11) are rotatably connected with the screw rod mounting parts (7) through rolling bearings.

8. The apparatus for concrete slump detection as claimed in claim 5, wherein: a chain tension wheel (10-6) which can tension the chain (10-9) is arranged on the bottom surface of the support top plate (6-2).

9. The apparatus for concrete slump detection as claimed in claim 1, wherein: the pushing mechanism (4) comprises a pushing mounting seat (4-2) fixedly connected with a linear bearing, the pushing mounting seat (4-2) is fixedly connected to the top surface of the workbench (3) and is adjacent to the second hinged seat (2-8), the pushing mounting seat (4-2) is connected with a transversely arranged push rod (4-3) in a sliding mode through the linear bearing, the inner end of the push rod (4-3) is fixedly connected with a longitudinally arranged pushing plate (4-1), and the outer end of the push rod (4-3) is fixedly connected with a longitudinally arranged limiting plate (4-4); the material pushing plate (4-1) can do linear motion along the top surface of the workbench (3) under the action of the pushing rod (4-3) so as to push the concrete into the material receiving box (11).

10. The apparatus for concrete slump detection as claimed in claim 1, wherein: the measuring assembly (5) comprises two groups of fixing rods (5-2) which are transversely arranged and fixedly connected with the lower part of the supporting column (6-1), a sliding rod (5-5) which is longitudinally arranged is fixedly connected between the two groups of fixing rods (5-2), measuring scales are arranged on the sliding rod (5-5), and the distance from a zero scale mark of the measuring scales to the workbench (3) in a horizontal state is the same as the height of the slump barrel (9); a sliding sleeve (5-3) which can slide along the outer wall of the sliding sleeve (5-5) is sleeved on the sliding rod (5-5), a measuring rod (5-1) which is transversely arranged is fixedly connected with the outer wall of the sliding sleeve (5-3), and a locking piece (5-4) which can fix the position of the sliding sleeve (5-3) is arranged on the sliding sleeve (5-3).