CN114578031A - A test check out test set for cement concrete slump detects - Google Patents
A test check out test set for cement concrete slump detects Download PDFInfo
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- CN114578031A CN114578031A CN202210491225.6A CN202210491225A CN114578031A CN 114578031 A CN114578031 A CN 114578031A CN 202210491225 A CN202210491225 A CN 202210491225A CN 114578031 A CN114578031 A CN 114578031A
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- 239000004568 cement Substances 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 26
- 238000007790 scraping Methods 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- 239000002893 slag Substances 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000012946 outsourcing Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
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Abstract
The invention discloses test detection equipment for detecting the slump of cement concrete, which relates to the technical field of concrete slump detection and comprises a detection table and upright columns arranged at the upper parts of two sides of the detection table, wherein a circular plate is arranged above the top surface of the detection table, a lifting assembly is arranged in each upright column, and a bearing annular plate is sleeved at the top of a collapse cylinder; the middle part of the mounting column is sleeved with a stabilizing sleeve, and the periphery of the outer wall of the stabilizing sleeve is fixedly connected with bearing folded plates; the adjusting assembly is arranged in the adjusting cavity, and the transmission mechanism is arranged in the transmission cavity; the bottom surface of the mounting column is provided with a wall scraping mechanism; according to the invention, through the matching of the transmission mechanism, the slump cone and the bearing folded plate, synchronous molding and demolding operations of a plurality of groups of commercial concrete samples are facilitated, slump detection and comparison operations of the plurality of groups of commercial concrete samples are facilitated, the high efficiency and convenience of slump detection of the commercial concrete samples are improved, the cleaning and collection of the detected broken slag of the commercial concrete samples are facilitated, and the accuracy of slump detection data is improved.
Description
Technical Field
The invention relates to the technical field of concrete slump detection, in particular to test detection equipment for detecting the slump of cement concrete.
Background
Slump test method: a horn-shaped slump bucket with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm is used for filling concrete, tamping is carried out, then the bucket is pulled up, the concrete generates a slump phenomenon due to self weight, and the height of the highest point of the collapsed concrete is subtracted by the bucket height (300 mm), so that the slump is called; in a construction site, the discharge speed of a discharge yard cannot follow the construction progress, so that outsourcing commercial concrete is required to follow the construction progress, but the slump of the outsourcing commercial concrete needs to be detected when the outsourcing commercial concrete is purchased;
however, when a plurality of groups of concrete samples are detected by the conventional detection device for measuring the slump of commercial concrete, the concrete samples to be detected need to be molded and vibrated by a plurality of independent slump barrels, the slump barrels need to be lifted one by one from the initially molded concrete samples, and then the slump is detected and the slump numerical values among the samples are compared; however, in the operation method, when the slump is tested, the slump cone needs to be lifted vertically upwards, so that the complete vertical lifting in the lifting process is difficult to ensure, and if the slump is inclined in the lifting process, the cement slump is easy to cause and the test accuracy is influenced; meanwhile, the method is not suitable for synchronous detection operation of multiple groups of concrete samples, and the labor amount for cleaning the multiple groups of detected concrete samples is large; therefore, a solution to the above problem is required.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides test detection equipment for detecting the slump of cement concrete.
In order to achieve the purpose, the invention adopts the following technical scheme: a test detection device for detecting slump of cement concrete comprises a detection table and stand columns arranged at the upper parts of two sides of the detection table, wherein a circular plate is arranged above the top surface of the detection table, a lifting assembly for lifting the circular plate is arranged inside each stand column, a plurality of placing openings are formed in the periphery of the top surface of the circular plate at equal intervals, a slump cone is arranged inside each placing opening, a bearing annular plate is horizontally sleeved at the top of the slump cone, and the bearing annular plate is overlapped at the top of the circular plate; the periphery of the top surface of the detection table is provided with a plurality of through holes matched with the slump cone;
a collecting cavity is formed in the detection table, an installation column is vertically arranged in the middle of the top surface in the collecting cavity, the top end of the installation column movably penetrates out of the top surface of the detection table, a stabilizing sleeve is movably sleeved in the middle of the installation column, bearing folded plates are horizontally and fixedly connected around the outer wall of the stabilizing sleeve, the top surfaces of the bearing folded plates are tightly abutted with the inner top surface of the collecting cavity, and the bearing folded plates are located right below the through hole; an adjusting cavity is formed in the mounting column, an adjusting assembly used for lifting the stabilizing sleeve is arranged in the adjusting cavity, a transmission cavity is formed in the upper portion of the mounting column, and a transmission mechanism used for driving the adjusting assembly is arranged in the transmission cavity; the bottom surface of erection column is equipped with and is used for detecting the inside wall mechanism of scraping that prevents blocking up of platform.
Preferably, the lifting assembly comprises a lead screw vertically rotating and arranged inside the stand column, a motor arranged in the bottom of the stand column, a thread cylinder movably sleeved on the lead screw and a guide cylinder movably sleeved on the outer wall of the stand column, the bottom end of the lead screw is fixedly connected with the driving shaft of the motor in a coaxial manner, one side of the thread cylinder is transversely fixedly connected with a connecting plate, rectangular bar openings are vertically formed in the inner walls of two sides of the lead screw, the outer end of the connecting plate extends out of the rectangular bar openings to be fixedly connected with the inner wall of the guide cylinder, a connecting seat is transversely fixedly connected to the outer wall of one side of the guide cylinder, and the inner end of the connecting seat is fixedly connected with the side wall of the circular plate.
Preferably, the adjusting part includes that vertical rotation locates the screw rod of adjusting intracavity portion, the screwed pipe of activity cup joint on the screw rod and the rigid coupling board of horizontal rigid coupling in the screwed pipe both sides, equal vertical strip opening of having seted up on the both sides inner wall of adjusting the chamber, the outer end of rigid coupling board extends from the strip opening in and stabilizes the inner wall rigid coupling of cover, the top surface of bearing folded plate is equipped with the one deck cushion.
Preferably, the wall scraping mechanism comprises a stirring shaft vertically and rotatably arranged in the middle of the bottom surface of the mounting column, scraping rods arranged on shaft bodies on two sides of the upper part of the stirring shaft and a fixed pipe sleeved on the bottom end of the stirring shaft, and the bottom of each scraping rod is in fit contact with the inner bottom surface of the collection cavity; the two sides of the fixed pipe are both provided with scrapers, and the upper end and the lower end of the two sides of the fixed pipe are both obliquely provided with inclined support rods fixedly connected with the scrapers; collect in the lower part in chamber for circular funnel shaped structure, just examine the vertical row's material pipe that runs through into collecting intracavity portion that is equipped with in bottom surface middle part of test table, the bottom of stirring shaft extends into row material intraduct, just the outer wall of scraper blade contacts with the inner wall laminating of arranging the material pipe.
Preferably, the transmission mechanism comprises a stabilizing cylinder vertically arranged on two sides of the inner bottom surface of the transmission cavity, a transmission shaft transversely rotatably arranged in the top of the transmission cavity, a driving cavity arranged in the bottom of the mounting column, a one-way driving assembly arranged in the driving cavity, a lower pressing plate horizontally arranged at the top of the mounting column and a rack rod vertically movably inserted in the stabilizing cylinder, transmission gears meshed with the rack rod are fixedly sleeved on shaft bodies at two ends of the transmission shaft, a worm sleeve is fixedly sleeved in the middle of the shaft body of the transmission shaft, the top end of a screw movably penetrates into the transmission cavity and is fixedly connected with a worm gear meshed with the worm sleeve, a guide rod is vertically arranged in the middle of the inner bottom surface of the stabilizing cylinder, a return spring is movably sleeved on the guide rod, a guide hole passage is formed in the vertical matching guide rod at the bottom end surface of the rack rod, and the top end of the rack rod is fixedly connected with the bottom surface of the lower pressing plate, the top end of the return spring is movably abutted against the bottom end face of the rack rod.
Preferably, the one-way drive assembly is including locating the last fluted disc in drive chamber upper portion, locating lower fluted disc and the rectangle box of rigid coupling in fluted disc bottom down in drive chamber lower part, the inside horizontal activity of rectangle box is equipped with the rectangular block, go up fluted disc and lower fluted disc meshing transmission, the bottom activity of screw rod is run through into drive intracavity and is gone up the fluted disc rigid coupling, the top activity of stirring axle is run through into the inside and the rectangular block rigid coupling of rectangle box, the movable sleeve is equipped with thrust spring on the stirring axle between rectangle box bottom surface and the drive intracavity bottom surface.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the matching of the transmission mechanism, the slump cone and the bearing folding plate, synchronous molding and demolding operations of a plurality of groups of commercial concrete samples are facilitated, so that slump detection and comparison operations of the plurality of groups of commercial concrete samples are facilitated, the high efficiency and convenience for slump detection of the commercial concrete samples are effectively improved, meanwhile, the broken slag of the commercial concrete samples after detection is conveniently cleaned and collected, the labor intensity of workers for cleaning the commercial concrete samples after detection is greatly reduced, and the accuracy of slump detection data of the commercial concrete samples is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a cross-sectional view of the inspection station and column structure of the present invention;
FIG. 3 is a front view of the overall structural cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view of a mounting post construction of the present invention;
FIG. 5 is a cross-sectional view of the upper structure of the mounting post of the present invention;
fig. 6 is a sectional view of the bottom structure of the mounting post of the present invention.
Number in the figure: 1. a detection table; 2. a column; 3. a circular plate; 4. collapsing a cylinder; 5. a bearing ring plate; 6. a motor; 7. a lead screw; 8. a threaded barrel; 9. mounting a column; 10. a stabilizing sleeve; 11. bearing the folded plate; 12. a screw; 13. a threaded pipe; 14. a stirring shaft; 15. a squeegee; 16. a scraping rod; 17. a stabilizing cylinder; 18. a drive shaft; 19. a lower pressing plate; 20. a rack bar; 21. a transmission gear; 22. a worm sleeve; 23. a worm gear; 24. an upper fluted disc; 25. a lower fluted disc; 26. a guide bar; 27. and a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example (b): referring to fig. 1-6, a test detection device for cement concrete slump detection comprises a detection table 1 and upright posts 2 arranged at the upper parts of two sides of the detection table 1, wherein a circular plate 3 is arranged above the top surface of the detection table 1, a lifting assembly for lifting the circular plate 3 is arranged inside the upright posts 2, a plurality of placing openings are formed in the periphery of the top surface of the circular plate 3 at equal intervals, a slump cone 4 is arranged inside each placing opening, a transparent observation bar window is vertically arranged on the outer wall of the slump cone 4, and scale marks are carved on the observation bar windows; a bearing ring plate 5 is horizontally sleeved at the top of the slump cone 4, and the bearing ring plate 5 is erected at the top of the circular plate 3; the periphery of the top surface of the detection table 1 is provided with a plurality of through holes matched with the slump cone 4; a collecting cavity is formed in the detection table 1, an installation column 9 is vertically arranged in the middle of the top surface in the collecting cavity, the top end of the installation column 9 movably penetrates out of the top surface of the detection table 1, a stabilizing sleeve 10 is movably sleeved in the middle of the installation column 9, bearing folded plates 11 are horizontally and fixedly connected around the outer wall of the stabilizing sleeve 10, the top surfaces of the bearing folded plates 11 are tightly abutted to the inner top surface of the collecting cavity, and the bearing folded plates 11 are located right below the penetrating port; an adjusting cavity is formed in the mounting column 9, an adjusting assembly used for lifting the stabilizing sleeve 10 is arranged in the adjusting cavity, a transmission cavity is formed in the upper portion of the mounting column 9, and a transmission mechanism used for driving the adjusting assembly is arranged in the transmission cavity; the bottom surface of the mounting column 9 is provided with a wall scraping mechanism for preventing blockage inside the detection platform 1; through the cooperation of a drive mechanism and a slump section of thick bamboo 4 and bearing folded plate 11, be convenient for carry out shaping and drawing of patterns operation in step to multiunit merchant concrete sample, and then be convenient for carry out the detection and the operation of comparing of slump to multiunit merchant concrete sample, the high efficiency and the convenience that carry out the slump detection to merchant concrete sample have effectively been improved, be convenient for clear up and collect the merchant concrete sample disintegrating slag after detecting simultaneously, the intensity of labour that the staff cleared up the merchant concrete sample after detecting has been reduced by a wide margin, and improved the accuracy of carrying out slump test data to merchant concrete sample.
In the invention, the lifting assembly comprises a lead screw 7 vertically and rotatably arranged in the upright post 2, a motor 6 arranged in the bottom of the upright post 2, a thread cylinder 8 movably sleeved on the lead screw 7 and a guide cylinder movably sleeved on the outer wall of the upright post 2, the bottom end of the lead screw 7 is coaxially and fixedly connected with a driving shaft of the motor 6, one side of the thread cylinder 8 is transversely and fixedly connected with a connecting plate, rectangular strip openings are vertically formed in the inner walls of two sides of the lead screw 7, the outer end of the connecting plate extends out of the inner part of the rectangular strip opening to be fixedly connected with the inner wall of the guide cylinder, the outer wall of one side of the guide cylinder is transversely and fixedly connected with a connecting seat, and the inner end of the connecting seat is fixedly connected with the side wall of the circular plate 3; the adjusting part includes that vertical rotation locates the inside screw rod 12 of regulation chamber, the activity cup joints screwed pipe 13 on screw rod 12 and the rigid coupling board of horizontal rigid coupling in screwed pipe 13 both sides, equal vertical strip opening of having seted up on the both sides inner wall of regulation chamber, the outer end of rigid coupling board extends from the strip opening in with the inner wall rigid coupling of stable cover 10, bearing folded plate 11's top surface is equipped with the one deck cushion, be convenient for carry out the shutoff to the run-through mouth, and then make 4 butt of the slump section of thick bamboo that descends at bearing folded plate 11's top, be convenient for make follow-up detect the merchant concrete sample of examining and pour the top surface at bearing folded plate 11.
In the invention, the wall scraping mechanism comprises a stirring shaft 14 vertically and rotatably arranged in the middle of the bottom surface of the mounting column 9, scraping rods 16 arranged on shaft bodies on two sides of the upper part of the stirring shaft 14 and a fixed pipe sleeved on the bottom end of the stirring shaft 14, wherein the bottom of each scraping rod 16 is in fit contact with the inner bottom surface of the collection cavity; both sides of the fixed pipe are provided with scrapers 15, and the upper and lower ends of both sides of the fixed pipe are obliquely provided with diagonal braces fixedly connected with the scrapers 15; collect for circular funnel-shaped structure in the lower part in chamber, and detect the vertical row's material pipe that runs through into collecting intracavity portion that is equipped with in bottom surface middle part of platform 1, the bottom of stirring shaft 14 extends into row material intraduct, and the outer wall of scraper blade 15 contacts with the inner wall laminating of arranging the material pipe, is convenient for scrape the wall operation to the inner bottom surface of collecting the chamber and the inner wall of arranging the material pipe, avoids commercial concrete sample adhesion to cause the thick walled condition on the inner wall.
In the invention, the transmission mechanism comprises a stabilizing cylinder 17 vertically arranged at two sides of the inner bottom surface of a transmission cavity, a transmission shaft 18 transversely rotatably arranged in the top of the transmission cavity, a driving cavity arranged in the bottom of an installation column 9, a one-way driving assembly arranged in the driving cavity, a lower press plate 19 horizontally arranged at the top of the installation column 9 and a rack bar 20 vertically movably inserted in the stabilizing cylinder 17, transmission gears 21 meshed with the rack bar 20 are fixedly sleeved on shaft bodies at two ends of the transmission shaft 18, a worm sleeve 22 is fixedly sleeved in the middle of the shaft body of the transmission shaft 18, the top end of a screw 12 movably penetrates into the transmission cavity and is fixedly connected with a worm wheel 23 meshed with the worm sleeve 22, a guide rod 26 is vertically arranged in the middle of the inner bottom surface of the stabilizing cylinder 17, a return spring 27 is movably sleeved on the guide rod 26, the bottom end surface of the rack bar 20 is vertically matched with the guide rod 26 and provided with a guide hole, the top end of the rack bar 20 movably penetrates out of the transmission cavity and is fixedly connected with the bottom surface of the lower press plate 19, the top end of the return spring 27 is movably abutted against the bottom end face of the rack bar 20, so that transmission and self-locking effects on the adjusting assembly are facilitated, and the raised bearing folded plate 11 is prevented from moving.
In the invention, the unidirectional driving component comprises an upper fluted disc 24 arranged in the upper part of a driving cavity, a lower fluted disc 25 arranged in the lower part of the driving cavity and a rectangular box fixedly connected with the bottom of the lower fluted disc 25, wherein a rectangular block is horizontally and movably arranged in the rectangular box, the upper fluted disc 24 is in meshing transmission with the lower fluted disc 25, the bottom end of a screw 12 movably penetrates into the driving cavity to be fixedly connected with the upper fluted disc 24, the top end of a stirring shaft 14 movably penetrates into the rectangular box to be fixedly connected with the rectangular block, and a thrust spring is movably sleeved on the stirring shaft 14 between the bottom surface of the rectangular box and the bottom surface in the driving cavity; the stirring shaft 14 can rotate along with the screw 12 only when the screw rotates forwards, and the stirring shaft 14 cannot rotate along with the screw 12 when the screw rotates backwards, so that resistance to the rising back of the rack bar 20 is avoided.
The working principle is as follows: in this embodiment, the present invention further provides a method for using a test detection device for detecting slump of cement concrete, including the following steps:
firstly, a motor 6 is electrically connected with external control equipment through a lead, then a slump cone 4 with a bearing ring plate 5 is placed in a placing opening, the bearing ring plate 5 is fixed through a bolt, then the motor 6 is controlled to drive a lead screw 7 to rotate forwards, further a threaded cylinder 8 drives a guide sleeve to stably descend on an upright post 2, a circular plate 3 fixedly connected with a connecting seat is driven to stably descend through a descending guide sleeve, and further a plurality of slump cones 4 are synchronously descended;
step two, when the circular plate 3 descends, the pushing lower pressing plate 19 descends, the rack rod 20 is conveniently pushed to retract towards the inside of the stabilizing cylinder 17 through the descending of the lower pressing plate 19, the transmission shaft 18 fixedly connected with the transmission gear 21 is further driven to rotate through the descending rack rod 20, the screw 12 is conveniently driven to rotate forward under the meshing action of the worm sleeve 22 and the worm wheel 23 through the rotation of the transmission shaft 18, the threaded pipe 13 is conveniently driven to drive the stabilizing sleeve 10 to ascend on the mounting column 9 through the forward rotation of the screw 12, the top surface of the bearing folded plate 11 is conveniently and stably abutted to the bottom of the through hole through the ascending of the stabilizing sleeve 10, and the descending collapse cylinder 4 is further stably abutted to the top surface of the bearing folded plate 11;
step three, after the slump cone 4 lands on the top surface of the bearing folded plate 11, workers respectively add merchant concrete samples with different cement contents into the slump cone 4, then vibrate poured merchant concrete through an external vibrating rod, trowel the top of the merchant concrete sample after vibrating the merchant concrete sample to be detected, and finally stand the poured merchant concrete sample for a period of time;
fourthly, after the commercial concrete sample is stood, and when the commercial concrete in the slump cone 4 is preliminarily dehydrated and condensed, the circular plate 3 is driven to rise back by controlling the lifting assembly, the slump cone 4 is driven to rise back by rising back of the circular plate 3, the rising slump cone 4 is prevented from damaging the preliminarily formed commercial concrete sample by the vertical rising back of the slump cone 4, and the influence on the detection data of the slump of the commercial concrete sample caused by the picking and placing operation of the slump cone 4 is effectively avoided; meanwhile, the molded commercial concrete sample can conveniently descend along with the bearing folded plate 11, so that the preliminarily molded commercial concrete sample can stably descend into the collection cavity, one third of the commercial concrete sample can conveniently descend into the collection cavity, and then the slump detection operation can be performed on the top of the commercial concrete sample through an external measuring ruler;
after the slump of the commercial concrete sample is detected and compared, a worker can push and disperse the commercial concrete sample which is not completely condensed, and the commercial concrete broken slag after detection falls into the collecting cavity, then the worker washes the top surface of the bearing folded plate 11 through external washing equipment, and the commercial concrete broken slag falling into the collecting cavity is discharged out of the detection table 1 through the discharging pipe; further avoiding the pollution to the top surface of the detection table 1 when cleaning the detected sample; meanwhile, through the arrangement of the one-way driving assembly, the wall scraping mechanism can be driven to clean the inner wall of the collecting cavity only through positive rotation of the screw 12, resistance to the return lifting of the rack rod 20 due to the contact of the wall scraping mechanism and commercial concrete slag when the rack rod 20 returns through the return spring 27 is avoided, and the smoothness of the rack rod 20 in the return lifting process is improved conveniently.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. The utility model provides a test detection equipment for cement concrete slump detects, is including examining test table (1) and locating stand (2) that examine test table (1) both sides upper portion, its characterized in that: a circular plate (3) is arranged above the top surface of the detection table (1), a lifting assembly used for lifting the circular plate (3) is arranged inside the upright post (2), a plurality of placing openings are formed in the periphery of the top surface of the circular plate (3) at equal intervals, a slump cone (4) is arranged inside each placing opening, a bearing annular plate (5) is horizontally sleeved at the top of the slump cone (4), and the bearing annular plate (5) is erected at the top of the circular plate (3); the periphery of the top surface of the detection table (1) is provided with a plurality of through holes matched with the slump cone (4);
a collecting cavity is formed in the detection table (1), an installation column (9) is vertically arranged in the middle of the top surface in the collecting cavity, the top end of the installation column (9) movably penetrates through the top surface of the detection table (1), a stabilizing sleeve (10) is movably sleeved in the middle of the installation column (9), bearing folded plates (11) are horizontally and fixedly connected to the periphery of the outer wall of the stabilizing sleeve (10) in a horizontal mode, the top surfaces of the bearing folded plates (11) are tightly abutted to the inner top surface of the collecting cavity, and the bearing folded plates (11) are located under the penetrating openings; an adjusting cavity is formed in the mounting column (9), an adjusting assembly used for lifting the stabilizing sleeve (10) is arranged in the adjusting cavity, a transmission cavity is formed in the upper portion of the mounting column (9), and a transmission mechanism used for driving the adjusting assembly is arranged in the transmission cavity; the bottom surface of erection column (9) is equipped with and is used for detecting the inside wall scraping mechanism that prevents blocking up of platform (1).
2. The test detection device for cement concrete slump detection according to claim 1, wherein: the lifting assembly comprises a lead screw (7) which is vertically rotated and arranged in the stand column (2), a motor (6) which is arranged in the bottom of the stand column (2), a threaded cylinder (8) which is movably sleeved on the lead screw (7) and a guide cylinder which is movably sleeved on the outer wall of the stand column (2), the bottom end of the lead screw (7) is fixedly connected with the driving shaft of the motor (6) coaxially, a connecting plate is fixedly connected with one side of the threaded cylinder (8) transversely, rectangular strip openings are vertically formed in the inner walls of the two sides of the lead screw (7), the outer end of the connecting plate extends out of the inner wall of the guide cylinder from the rectangular strip openings, a connecting seat is fixedly connected with the outer wall of one side of the guide cylinder transversely, and the inner end of the connecting seat is fixedly connected with the side wall of the circular plate (3).
3. The test detection device for cement concrete slump detection according to claim 1, wherein: the adjusting assembly comprises a screw rod (12) which is vertically rotated and arranged in the adjusting cavity, a threaded pipe (13) movably sleeved on the screw rod (12) and fixing plates transversely fixedly connected to the two sides of the threaded pipe (13), strip-shaped openings are vertically formed in the inner walls of the two sides of the adjusting cavity, the outer ends of the fixing plates extend out of the strip-shaped openings to be fixedly connected with the inner walls of the stabilizing sleeves (10), and the top surface of the bearing folded plate (11) is provided with a layer of rubber pad.
4. The test detection device for cement concrete slump detection according to claim 3, wherein: the wall scraping mechanism comprises a stirring shaft (14) which is vertically and rotatably arranged in the middle of the bottom surface of the mounting column (9), scraping rods (16) which are arranged on shaft bodies on two sides of the upper part of the stirring shaft (14) and a fixed pipe which is sleeved on the bottom end of the stirring shaft (14), and the bottom of each scraping rod (16) is in fit contact with the inner bottom surface of the collection cavity; both sides of the fixed pipe are provided with scrapers (15), and the upper end and the lower end of both sides of the fixed pipe are obliquely provided with inclined support rods fixedly connected with the scrapers (15); collect in the lower part in chamber for circular funnel shaped structure, just examine the vertical row's material pipe that runs through into collecting intracavity portion that is equipped with in bottom surface middle part of test table (1), the bottom of stirring shaft (14) extends into row material intraduct, just the outer wall of scraper blade (15) contacts with the inner wall laminating of arranging the material pipe.
5. The test detection device for cement concrete slump detection according to claim 4, wherein: the transmission mechanism comprises a stabilizing cylinder (17) vertically arranged on two sides of the inner bottom surface of a transmission cavity, a transmission shaft (18) transversely rotatably arranged in the top of the transmission cavity, a driving cavity arranged in the bottom of an installation column (9), a one-way driving assembly arranged in the driving cavity, a lower pressing plate (19) horizontally arranged at the top of the installation column (9) and a rack rod (20) vertically movably inserted in the stabilizing cylinder (17), transmission gears (21) meshed with the rack rods (20) are fixedly sleeved on shaft bodies at two ends of the transmission shaft (18), a worm sleeve (22) is fixedly sleeved in the middle of the shaft body of the transmission shaft (18), a worm wheel (23) meshed with the worm sleeve (22) is movably penetrated in the top end of a screw rod (12), a guide rod (26) is vertically arranged in the middle of the inner bottom surface of the stabilizing cylinder (17), and a return spring (27) is movably sleeved on the guide rod (26), the vertical cooperation guide bar (26) of bottom face of rack pole (20) has seted up the direction pore, the top of rack pole (20) and the bottom surface rigid coupling of holding down plate (19), the top of return spring (27) and the bottom face activity butt of rack pole (20).
6. The test detection device for cement concrete slump detection according to claim 5, wherein: one-way drive assembly is including locating last fluted disc (24) in drive chamber upper portion, locating lower fluted disc (25) and rigid coupling in the drive chamber lower part the rectangle box of fluted disc (25) bottom down, the inside horizontal activity of rectangle box is equipped with the rectangle piece, go up fluted disc (24) and lower fluted disc (25) meshing transmission, the bottom activity of screw rod (12) runs through into drive intracavity and last fluted disc (24) rigid coupling, the top activity of stirring axis (14) runs through into the inside and rectangular block rigid coupling of rectangle box, the movable sleeve is equipped with thrust spring on stirring axis (14) between rectangle box bottom surface and the drive intracavity bottom surface.
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| CN114578031B (en) | 2022-09-02 |
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