CN214503248U

CN214503248U - Slump measuring device

Info

Publication number: CN214503248U
Application number: CN202120589855.8U
Authority: CN
Inventors: 胡海亮; 孟凡笑
Original assignee: Xinglong Chengtai Building Materials Co ltd
Current assignee: Xinglong Chengtai Building Materials Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-10-26
Anticipated expiration: 2031-03-23

Abstract

The application relates to a slump measuring device, which belongs to the technical field of concrete slump and comprises a detection platform, a slump cone arranged on the detection platform, an upright column fixedly arranged on one side of the detection platform and a pedal arranged on the upright column; the footboard can be vertical up-and-down motion on the stand, be equipped with link gear between footboard and the section of thick bamboo that collapses, link gear drives the section of thick bamboo that collapses and moves vertically upwards when making the footboard remove downwards. The slump cone is driven to move upwards by treading the pedal, so that the worker does not need to bend when lifting the slump cone, and the operation and the use of the worker are facilitated.

Description

Slump measuring device

Technical Field

The application relates to the field of concrete slump, in particular to a slump measuring device.

Background

Slump is an index for detecting the workability of concrete, and whether construction can be normally carried out or not is judged mainly through the fluidity, cohesiveness and water-retaining property of the concrete. The slump is measured by the detector generally using a slump cone, which is a trumpet-shaped cone with a top end opening smaller than a bottom end opening, and is provided with two pedals and two handles on the outer side wall, and is usually used together with a funnel and a tamper.

At present, a slump section of thick bamboo needs the staff to its inside back of filling up the concrete when using, upwards mentions a slump section of thick bamboo perpendicularly again, but because the height of a slump section of thick bamboo is lower, the staff need keep the posture of bowing when mentioning a slump section of thick bamboo, and operation process is tired.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience when detecting the slump to the concrete, this application provides a slump measuring device.

The application provides a slump measuring device adopts following technical scheme:

a slump measuring device comprises a detection platform, a slump cone arranged on the detection platform, an upright column fixedly arranged on one side of the detection platform and a pedal arranged on the upright column; the footboard can be vertical up-and-down motion on the stand, be equipped with link gear between footboard and the section of thick bamboo that collapses, link gear drives the section of thick bamboo that collapses and moves vertically upwards when making the footboard remove downwards.

Through adopting above-mentioned technical scheme, when carrying out the slump to the concrete and detecting, fill the slump section of thick bamboo with the concrete that stirs earlier, then worker and group personnel step on the detection platform with one foot, the footboard is stepped on to the other foot, and slowly move the footboard downwards, make the footboard slowly move downwards, the in-process that the footboard removed can drive the vertical rebound of slump section of thick bamboo through link gear, until the slump section of thick bamboo is whole with its inside concrete separation, make the concrete change by oneself subside, then measure concrete height can, under footboard and link gear's cooperation, need not to bow when making the staff upwards mention the slump section of thick bamboo, the convenience of using the slump section of thick bamboo has been improved.

Optionally, the link gear is including rotating the fixed pulley of connection on the stand, around the flexible band on the fixed pulley, the both ends of flexible band respectively with footboard and a slump section of thick bamboo fixed connection, just the weight of footboard is less than the weight of a slump section of thick bamboo.

Through adopting above-mentioned technical scheme, when trampling the footboard downwards, the footboard moves down to pulling the flexible band and moving down thereupon, and the other end of flexible band then walks around the fixed pulley after upwards moving, thereby realizes the function of collapsing a section of thick bamboo rebound, simple structure is practical.

Optionally, the fixed pulley is a chain wheel, the flexible belt is a chain, and the chain wheel is meshed with the chain.

Through adopting above-mentioned technical scheme, can ensure to drive the sprocket when the chain removes and rotate, make difficult relative displacement and the friction of appearing between chain and the sprocket, and the chain self is also difficult because of long-time tensile fracture's phenomenon appears in the use, stable in structure.

Optionally, the both ends of flexible band all set firmly the slider, slider sliding connection is on the stand, two the slider homoenergetic is the slip of vertical direction on the stand, and one of them slider and a slump section of thick bamboo fixed connection, another slider and footboard fixed connection.

Through adopting above-mentioned technical scheme, two sliders play the guide effect for when the flexible band both ends remove, make the flexible band be difficult for appearing wobbling phenomenon when removing to corresponding removal to footboard and a slump section of thick bamboo plays the guide effect, make the slump section of thick bamboo can be accurate remove along vertical direction, more thoroughly when making the slump section of thick bamboo separate with its inside concrete, improve the detection precision to the slump.

Optionally, the pedal detection device further comprises a locking mechanism, the locking mechanism is located between the pedal and the monitoring table, and the locking mechanism is used for fixing the pedal on the detection table when the pedal moves to abut against the detection table.

Through adopting above-mentioned technical scheme, step on the footboard behind the position of the bottom, the section of thick bamboo that collapses also just in time removes to the top of stand, and the footboard is fixed to detecting the bench by locking mechanism this moment, makes the unable rebound of footboard by oneself, and corresponding section of thick bamboo that collapses also can't be at the action of gravity drop down, makes things convenient for the staff to carry out measurement work to detecting the concrete on the bench.

Optionally, the locking mechanism includes an insertion rod fixedly arranged on the bottom surface of the pedal, and an elastic block fixedly arranged on the top surface of the detection table, the top surface of the elastic block is provided with an insertion hole into which the insertion rod can be inserted, and the diameter of the insertion hole is smaller than that of the insertion rod.

Through adopting above-mentioned technical scheme, after the footboard removed to the below, the inserted bar just in time pegged graft the jack of elasticity piece, though the jack diameter is less than the inserted bar diameter, nevertheless can make the smooth inserting jack of inserted bar in according to the elastic deformation of elasticity piece to the elasticity of elasticity piece also provides the clamp force to the jack in the jack, makes the difficult rebound of inserted bar, thereby plays the fixed action to the footboard.

Optionally, the bottom of the inserted link is tapered, the diameter of which gradually decreases from bottom to top.

Through adopting above-mentioned technical scheme, the area of inserted bar bottom has been reduced to the toper, makes the inserted bar insert in the jack more easily to the conical surface also can play the guide effect for the jack deformation of elasticity piece.

Optionally, one side of examining the test table and keeping away from the stand has set firmly vertical guide post, sliding connection has the guide bar on the guide post, the one end and the slump section of thick bamboo fixed connection of guide bar.

Through adopting above-mentioned technical scheme, the guide post also receives the effect of direction for one side of keeping away from the stand when a collapse section of thick bamboo removes, makes the both sides of a collapse section of thick bamboo receive the ascending direction of vertical side simultaneously, further ensures that a collapse section of thick bamboo can vertical migration.

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

1. the slump cone is driven to move upwards by treading the pedal, so that a worker does not need to bend when lifting the slump cone, and the operation and the use of the worker are facilitated;

2. the pedal and the slump cone are driven by the chain wheel and the chain, and the chain wheel can effectively transmit the power of the movement of the pedal to the slump cone, so that the structure is simple and stable, and the service life is long;

3. after the footboard removed the lower extreme, the jack on inserted bar and the elastic block cooperateed, made the difficult rebound of footboard, a slump section of thick bamboo also can not be at self action of gravity whereabouts, makes things convenient for the staff to carry out measurement work to the concrete that detects on the platform.

Drawings

Fig. 1 is a schematic view showing a structure of a measuring apparatus in an embodiment of the present application.

FIG. 2 is a schematic diagram showing the configuration of the collapsed cylinder after it has risen.

Fig. 3 is a sectional view showing the link mechanism.

FIG. 4 is a partial cross-sectional view showing the positional relationship of the slider, dovetail block, and through groove in the stud.

Fig. 5 is a cross-sectional view showing the fitting of the sheave and the wire rope.

Fig. 6 is a partial sectional view showing the lock mechanism when the pedal abuts against the test stand.

Description of reference numerals: 1. a detection table; 11. a guide post; 12. a guide bar; 13. caulking grooves; 2. a column; 21. a dovetail groove; 22. a through groove; 3. collapsing a cylinder; 4. a pedal; 5. a linkage mechanism; 51. a main shaft; 52. a fixed pulley; 53. a flexible band; 54. a slider; 541. a dovetail block; 6. a locking mechanism; 61. inserting a rod; 62. an elastic block; 621. and (4) inserting the jack.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses slump measuring device.

Referring to fig. 1, slump measuring device is including examining test table 1, stand 2, slump cone 3 and footboard 4, examine the rectangular shaped plate that test table 1 was placed for the level, 3 butt of slump cone is examining test table 1's top surface, examine test table 1 and keep away from stand 2's one end top surface and have set firmly guide post 11, guide post 11 is the cylinder of vertical setting, be equipped with guide bar 12 on the guide post 11, guide bar 12 sets up along the horizontal direction, guide post 11 runs through guide bar 12 and slides rather than being connected, guide bar 12 keeps away from the one end of guide post 11 and the bottom fixed connection of 3 lateral walls of slump cone. Stand 2 is the rectangular pipe of the vertical setting of inside cavity, the bottom of stand 2 and the one end top surface fixed connection who detects platform 1, and footboard 4 is established in the one side that stand 2 kept away from slump section of thick bamboo 3, and footboard 4 highly is higher than the top height of slump section of thick bamboo 3, footboard 4 and stand 2 sliding connection, make footboard 4 can be on stand 2 do the ascending slip of vertical side. The inside link gear 5 that is equipped with of stand 2, link gear 5 connect between footboard 4 and a slump section of thick bamboo 3, can drive a slump section of thick bamboo 3 rebound through link gear 5 when footboard 4 moves down.

Referring to fig. 2, when slump is measured to the concrete, fill in slump section of thick bamboo 3 with the concrete that stirs earlier, and use and insert the tamper to the concrete and smash, after the concrete in slump section of thick bamboo 3 was filled, detection platform 1 is stepped on to staff's a foot, make and detect platform 1 and keep stable, then another foot is stepped on footboard 4 downwards slowly, make footboard 4 slow movement downwards, make slump section of thick bamboo 3 slow movement upwards under the effect of link gear 5, and slump section of thick bamboo 3 is receiving under the effect of guide post 11 direction, keep vertical ascending removal, make slump section of thick bamboo 3 separate with the concrete gradually, after slump section of thick bamboo 3 all separated with the concrete, the concrete is the slump flow by oneself, staff can measure the concrete slump.

Referring to fig. 1 and 2, still be equipped with locking mechanical system 6 between examining test table 1 and the footboard 4, when footboard 4 remove to examine test table 1 butt, locking mechanical system 6 with footboard 4 fixed examine test table 1 on, make footboard 4 restricted and be difficult for upward movement, corresponding fix the top of examining test table 1 with a slump section of thick bamboo 3, make a slump section of thick bamboo 3 unable landing under the action of gravity, make things convenient for the staff to detect the work to the concrete that examines on the test table 1.

Referring to fig. 3, the linkage mechanism 5 includes a main shaft 51, a fixed pulley 52, a flexible belt 53 and two sliders 54, the main shaft 51 is disposed along a horizontal direction, two ends of the main shaft 51 are respectively fixed on two opposite side walls at the top end of the upright column 2, the fixed pulley 52 is sleeved on the main shaft 51 and rotates therewith, an axis of the fixed pulley 52 coincides with an axis of the main shaft 51, the flexible belt 53 is wound above the fixed pulley 52, two ends of the flexible belt 53 hang down on two sides of the fixed pulley 52, the two sliders 54 are respectively fixed on two ends of the flexible belt 53, and a dovetail block 541 is fixed on each slider 54. Two dovetail grooves 21 are formed in the inner side wall of the upright column 2, the dovetail grooves 21 are formed in the height direction of the upright column 2, the two dovetail grooves 21 correspond to the two sliding blocks 54 one by one, and the dovetail blocks 541 are embedded in the corresponding dovetail grooves 21 to slide, so that the sliding blocks 54 can slide in the upright direction in the upright column 2.

Referring to fig. 3 and 4, two opposite side walls of the column 2 are further provided with through grooves 22, the through grooves 22 are also arranged in the vertical direction, the two through grooves 22 respectively correspond to the slump cone 3 and the pedal 4, the sliding block 54 is fixedly provided with a connecting rod, and the connecting rod passes through the corresponding through groove 22 and then is fixedly connected with the pedal 4 or the slump cone 3. The through groove 22 and the dovetail groove 21 which are matched with the same slide block 54 are respectively positioned at two opposite sides of the slide block 54, so that the through groove 22 and the dovetail groove 21, and the connecting rod and the dovetail block 541 do not interfere with each other.

When the pedal 4 moves downwards, the slide block 54 connected with the pedal is driven to slide downwards, the slide block 54 pulls the flexible belt 53 downwards, the other end of the flexible belt 53 is lifted upwards, namely, the other slide block 54 is pulled to move upwards, and therefore the function of driving the collapsing barrel 3 to slide upwards is achieved. When the sliding block 54 moves, the sliding block is guided by the dovetail block 541 and the dovetail groove 21, so that the flexible belt 53 is not easy to shake during the moving process, force can be stably transmitted between the pedal 4 and the slump cone 3, and the operation is stable.

Referring to fig. 3, in this embodiment, the fixed pulley 52 is a sprocket, the flexible belt 53 is a chain, the chain is engaged with the sprocket, and the chain drives the sprocket to rotate when moving, so that relative friction is not easily generated between the chain and the sprocket, and the chain can bear a large tensile load, and has a stable structure and a long service life.

Referring to fig. 5, the fixed pulley 52 and the flexible belt 53 may also be implemented by matching a concave wheel with a steel wire rope, but the steel wire rope is embedded in the concave wheel to slide, but this way does not ensure that the steel wire rope can drive the concave wheel to rotate when moving, so that the phenomenon of relative friction between the steel wire rope and the concave wheel is easily caused, and the service life of the steel wire rope is affected.

Referring to fig. 1 and 6, the locking mechanism 6 includes an insert lever 61 and an elastic block 62; the inserting rod 61 is a cylinder arranged along the vertical direction, the top end of the inserting rod 61 is fixedly connected with the bottom surface of the pedal 4, and the bottom end of the inserting rod 61 is in a conical shape with the diameter gradually reduced from top to bottom; the elastic block 62 has elasticity, the detection table 1 is provided with an embedded groove 13 at the position below the pedal 4, the elastic block 62 is embedded in the embedded groove 13 and fixedly connected with the detection table 1, and the top surface of the elastic block 62 is flush with the top surface of the detection table 1; the top surface of the elastic block 62 is provided with an insertion hole 621, the diameter of the insertion hole 621 is smaller than the maximum diameter of the insertion rod 61, and the minimum diameter of the bottom end of the insertion rod 61 is smaller than the diameter of the insertion hole 621.

When the pedal 4 moves to a position close to the detection table 1, the bottom end of the insertion rod 61 is exactly aligned with the insertion hole 621, and the area of the bottom end of the insertion rod 61 is smaller than the opening area of the insertion hole 621, so that the bottom end of the insertion rod 61 can be inserted into the insertion hole 621, and along with the downward movement process of the insertion rod 61 and the conical surface of the bottom end of the insertion rod 61, the insertion rod 61 gradually pushes the inner side wall of the insertion hole 621 to elastically deform, the inner diameter of the insertion hole 621 is enlarged, the insertion rod 61 is completely inserted into the insertion hole 621, meanwhile, the compressed elastic force of the elastic block 62 can be transmitted to the insertion rod 61, and the inner side wall of the insertion hole 621 generates pressing force on the insertion rod 61, so that the insertion rod 61 is not easily pulled out of the insertion hole 621, and the function of fixing the position of the pedal 4 and the collapse cylinder 3 is realized. After the concrete detection is finished, the slump cone 3 is pressed downwards, an upward pulling force is applied to the pedal 4 through the slump cone 3, the pedal 4 and the insertion hole 621 can be separated from the elastic block 62, and the slump cone 3 is restored to the detection platform 1.

The elastic block 62 can be made of rubber with high hardness or polyurethane material, and can generate effective deformation and provide high pressing force and friction force for the plug rod 61, so that the plug rod 61 is not easy to fall out from the jack 621.

The implementation principle of the slump measuring device in the embodiment of the application is as follows: when using measuring device to carry out the slump measurement to the concrete, after filling in the concrete to a slump section of thick bamboo 3, the staff upwards mentions a slump section of thick bamboo 3 is vertical with trampling the mode of footboard 4, compares and lifts a slump section of thick bamboo 3 with the hand in the staff, need not the staff and bends over, has made things convenient for staff's use, has improved the convenience when measuring the concrete slump, also can guarantee the vertical rebound of a slump section of thick bamboo 3 simultaneously, improves measurement accuracy.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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 measurement device, characterized in that: comprises a detection platform (1), a slump cone (3) arranged on the detection platform (1), an upright post (2) fixedly arranged on one side of the detection platform (1) and a pedal (4) arranged on the upright post (2);

footboard (4) can be vertical up-and-down motion on stand (2), be equipped with link gear (5) between footboard (4) and the section of thick bamboo that collapses (3), link gear (5) drive the vertical upward movement of the section of thick bamboo that collapses (3) when making footboard (4) move down.

2. A slump measuring apparatus according to claim 1, wherein: link gear (5) are including rotating fixed pulley (52) of connection on stand (2), around flexible band (53) on fixed pulley (52), the both ends of flexible band (53) respectively with footboard (4) and slump section of thick bamboo (3) fixed connection, just the weight of footboard (4) is less than the weight of slump section of thick bamboo (3).

3. A slump measuring apparatus according to claim 2, wherein: the fixed pulley (52) is set as a chain wheel, the flexible belt (53) is set as a chain, and the chain wheel is meshed with the chain.

4. A slump measuring apparatus according to claim 2, wherein: both ends of flexible band (53) all set firmly slider (54), slider (54) sliding connection is on stand (2), two slider (54) all can be on stand (2) the slip of vertical direction, one of them slider (54) and collapse section of thick bamboo (3) fixed connection, another slider (54) and footboard (4) fixed connection.

5. A slump measuring apparatus according to claim 1, wherein: still include locking mechanical system (6), locking mechanical system (6) are located between footboard (4) and the monitoring station, locking mechanical system (6) are used for fixing footboard (4) on examining test table (1) when footboard (4) move to with examine test table (1) butt.

6. A slump measuring apparatus according to claim 5, wherein: the locking mechanism (6) comprises an inserting rod (61) fixedly arranged on the bottom surface of the pedal (4) and an elastic block (62) fixedly arranged on the top surface of the detection table (1), wherein an inserting hole (621) capable of enabling the inserting rod (61) to be inserted is formed in the top surface of the elastic block (62), and the diameter of the inserting hole (621) is smaller than that of the inserting rod (61).

7. The slump measuring device according to claim 6, wherein: the bottom of the inserted bar (61) is in a conical shape with the diameter gradually reduced from bottom to top.

8. A slump measuring apparatus according to claim 1, wherein: examine one side that stand (2) were kept away from in test table (1) and set firmly vertical guide post (11), sliding connection has guide bar (12) on guide post (11), the one end and the collapse section of thick bamboo (3) fixed connection of guide bar (12).