CN114778327A - Cement quality detection method and cement quality detection device - Google Patents
Cement quality detection method and cement quality detection device Download PDFInfo
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- CN114778327A CN114778327A CN202210677859.0A CN202210677859A CN114778327A CN 114778327 A CN114778327 A CN 114778327A CN 202210677859 A CN202210677859 A CN 202210677859A CN 114778327 A CN114778327 A CN 114778327A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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- G01N2203/0067—Fracture or rupture
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention discloses a cement quality detection method and a cement quality detection device, and relates to the technical field of cement quality detection, wherein the cement quality detection device comprises a detection table, a mounting frame arranged at the top of the detection table and an electric pushing cylinder penetrating the top of the mounting frame, a top plate is arranged above the top surface of a bottom plate, four corners of the top surface of the bottom plate are provided with stabilizing columns, and the bottom of a telescopic end of the electric pushing cylinder is provided with a lower pressure plate; the middle part of the bottom surface of the top plate is provided with a pressurizing seat; bearing seats are longitudinally arranged on both sides of the top surface of the bottom plate; a transmission mechanism for moving the bearing seat is arranged in the transmission cavity; according to the invention, through the matching of the transmission mechanism, the bearing seat and the linkage assembly, the quality of the bending strength of the cement test block can be rapidly detected, the broken slag of the detected cement test block can be automatically collected and guided down, the broken cement test block can be prevented from being clamped at a falling opening, the broken slag can be automatically removed from the detected cement test block, and the high efficiency and convenience of quality detection of the cement test block can be greatly improved.
Description
Technical Field
The invention relates to the technical field of cement quality detection, in particular to a cement quality detection method and a cement quality detection device.
Background
Cement is a powdered hydraulic inorganic cementitious material. After being stirred by adding water, the mortar can be hardened in the air or better in water and can firmly bond materials such as sand, stone and the like together; the characteristics of different types and batches of cement are different, volume-expanded cement is generated in hydration and hardening processes, and the volume of the ordinary portland cement shrinks when the ordinary portland cement is hardened in air; the shrinkage can cause micro-cracks to be generated in the set cement structure, so that the compactness of the set cement structure is reduced, and the quality detection is required after the cement is produced;
the existing detection usually carries out anti-bending or anti-compression detection on a formed cement test block, then analyzes the quality of cement through data, generally, when the quality detection of the anti-bending strength is carried out on the cement test block, a worker generally places a well-maintained cement test block to be detected on a detection plate of a detection device, after the position of the cement block needs to be manually adjusted, the detection device is controlled to carry out the quality detection operation of the anti-bending strength on the cement test block, after the quality detection operation of the anti-bending strength on the cement test block is finished, the worker needs to clean the broken cement test block on a table board of the detection device, and then carries out the quality detection operation of the next cement test block, so that the high efficiency and the continuity of different cement test blocks during quality detection are influenced, and meanwhile, the workload of the worker is increased; 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 a cement quality detection device.
In order to achieve the purpose, the invention adopts the following technical scheme: a cement quality detection method and a cement quality detection device comprise a detection table, a mounting frame arranged at the top of the detection table and an electric pushing cylinder penetrating through the top of the mounting frame, wherein a slag falling port is formed in the middle of the top surface of the detection table, a bottom plate is horizontally arranged in the middle of the top surface of the detection table, a top plate is horizontally arranged above the top surface of the bottom plate, stabilizing columns are vertically arranged at four corners of the top surface of the bottom plate, stabilizing sleeves are vertically arranged at four corners of the top surface of the top plate in a penetrating manner, the stabilizing sleeves are movably sleeved on columns of stabilizing columns, external threads are formed in the tops of the outer walls of the stabilizing columns, and anti-falling nuts are connected to the tops of the stabilizing columns through threads; the top surface of the top plate is provided with a butting seat; a lower pressure plate is horizontally arranged at the bottom of the telescopic end of the electric pushing cylinder;
a pressurizing seat for detecting the anti-bending quality of the cement test piece is longitudinally arranged in the middle of the bottom surface of the top plate; a falling opening is longitudinally formed in the middle of the top surface of the bottom plate, bearing seats are longitudinally arranged on two sides of the top surface of the bottom plate, and the upper parts of the inner side surfaces of the bearing seats are in an inclined plane shape; the inner parts of the bottom plates at the front end and the rear end of the two sides of the falling opening are respectively provided with a transverse moving cavity, and a guide assembly for supporting the sliding of the seat is arranged in the transverse moving cavity; the bottom surface of bottom plate all is equipped with the positioning seat all around, the top surface of examining test table all cooperates the positioning seat to seted up the constant head tank, the inside transmission chamber of having seted up of positioning seat, the inside drive mechanism who is used for the bearing seat to remove that is equipped with of transmission chamber.
Preferably, an installation cavity is formed in the stabilizing column, a rack rod is vertically and movably arranged in the installation cavity, connecting plates are transversely arranged on two sides of the top of the rack rod, rectangular strip openings are vertically formed in inner walls of two sides of the installation cavity, the outer end of each connecting plate extends out of the rectangular strip opening to be fixedly connected with the inner wall of the stabilizing sleeve, a through opening is vertically formed in the top surface of the detection table outside the positioning groove, a trigger cavity is formed in the lower portion of the inner wall inside the through opening, and a trigger assembly is arranged in the trigger cavity; the top surface of the bottom plate at the bottom of the stabilizing column is vertically matched with the rack rod and is provided with a communicating port, and the bottom end of the rack rod movably penetrates into the communicating port of the bottom plate from the mounting cavity; and a jacking spring is movably sleeved on the stabilizing column at the lower part of the stabilizing sleeve.
Preferably, the guide assembly comprises a guide rod transversely arranged in the transverse moving cavity, a guide pipe movably sleeved at the inner end of the guide rod, a reset spring movably sleeved at the outer end of the guide rod and a rack plate transversely arranged at the outer end of the pipe body at the bottom of the guide pipe, and the lower part of the inner wall at the outer end of the transverse moving cavity is transversely provided with an accommodating groove matched with the rack plate; the top of the guide pipe is provided with a connecting rod, the inner top surface of the transverse moving cavity is transversely provided with a strip-shaped opening, the top end of the connecting rod extends out of the strip-shaped opening to be fixedly connected with the bottom of the bearing seat, the longitudinal length of the bearing seat is greater than that of the falling opening, the bottom of the bearing seat is uniformly provided with a plurality of stabilizing balls in a rolling and clamping mode, and the bottoms of the stabilizing balls are movably abutted to the top surface of the bottom plate.
Preferably, the transmission mechanism comprises a worm transversely rotatably arranged in the lower part of the transmission cavity, a rotating rod longitudinally rotatably arranged in the middle part of the transmission cavity, a worm wheel fixedly sleeved in the middle part of the rotating rod and a second belt pulley fixedly sleeved at the front end of the rotating rod, the worm is in meshing transmission with the worm wheel, the outer end of the worm movably penetrates into the through hole and is rotatably sleeved with a one-way gear through a bearing ring, the one-way gear is matched with the rack rod, and a positioning assembly for unidirectional rotation of the worm is arranged in the one-way gear; the outer side of the inner bottom surface of the transverse moving cavity is vertically provided with a transmission port communicated with the transmission cavity, the inner part of the transmission port is horizontally and movably provided with a rectangular frame, and a linkage assembly meshed with the rack plate is arranged inside the rectangular frame.
Preferably, the linkage assembly comprises a transmission rod longitudinally and rotatably arranged in the rectangular frame, a transmission gear fixedly sleeved in the middle of the transmission rod and a first belt pulley fixedly sleeved at the front end of the transmission rod, the transmission gear is matched with the rack plate, and a transmission belt is sleeved between the first belt pulley and the second belt pulley; the inner walls of two sides of the transmission opening are provided with stabilizing grooves, the top parts of the outer walls of two sides of the rectangular frame are horizontally provided with stabilizing plates, the outer ends of the stabilizing plates are movably inserted into the stabilizing grooves, and the inner bottom surfaces of the stabilizing grooves are vertically provided with electric push rods fixedly connected with the bottom surfaces of the stabilizing plates.
Preferably, the positioning assembly comprises a plurality of positioning cavities which are equidistantly arranged in the one-way gear, positioning blocks which are movably arranged in the positioning cavities, and positioning rods which are fixedly connected to the middle parts of the inner walls of the outer ends of the positioning cavities, a plurality of arc-shaped check blocks are equidistantly arranged on the rod body of the worm which is positioned in the inner ring of the one-way gear, one end of each arc-shaped check block is in a vertical surface shape, and the outer wall of the other end of each arc-shaped check block is in an arc-shaped slope surface shape; the inner end of the positioning block movably penetrates out of the positioning cavity and movably abuts against the outer wall of the worm between the arc-shaped stop blocks, and the inner end of the positioning block is in an arc surface shape; a return spring is movably sleeved on the positioning rod, and a guide hole channel is formed in the outer end face of the positioning block in a matched mode with the positioning rod.
Preferably, trigger the subassembly including horizontal activity locate trigger intracavity the briquetting, horizontal rigid coupling in the briquetting inboard thrust spring of upper and lower end with locate the no lock key switch at trigger intracavity side inner wall middle part, the outer end of touching the briquetting is the arcwall form and activity run through into in the through-hole, all vertical being equipped with on the inboard of rack bar with touch briquetting complex butt strip, just the bottom of butt strip is the arcwall form.
Preferably, it collects the drawer to slide in the lower part of examining test table to be equipped with, the upper portion internalization that examines test table is equipped with the buffering folded plate, the top surface four corners of buffering folded plate all is equipped with the flexible jib of spring, the top of the flexible jib of spring and the interior top surface rigid coupling that examines test table.
The invention also provides a cement quality detection method of the cement quality detection device, which comprises the following steps:
s1: firstly, electrically connecting an electric pushing cylinder and an electric pushing rod with external control equipment through leads respectively, then placing a cement test block to be detected at the tops of two bearing seats, then controlling the electric pushing cylinder to push a lower pressing disc to butt against a butt-joint seat at the top of a top plate, and further enabling the electric pushing cylinder to push a pressurizing seat at the bottom of the top plate to descend through pushing down of the electric pushing cylinder;
s2: the cement test block placed at the top of the bearing seat can be pressurized conveniently by descending the pressurizing seat, the stable sleeve is driven to descend by the top plate, the descending stable sleeve drives the rack bar fixedly connected with the connecting plate to descend, the descending rack bar can not drive the worm to rotate through the one-way gear, and the descending rack bar can not drive the worm to rotate through the descending of the rack bar, the contact pressing block is pressed by the abutting strip, so that the contact pressing block is pressed to the key switch without the lock, the electric push rod is controlled to start through the non-lock key switch after being touched and pressed, the rectangular frame is driven to rise in the transmission port through the starting of the electric push rod, the transmission gear is meshed with the rack plate, the rack plate meshed with the transmission gear is self-locked, limited and transversely moved by meshing the worm and the worm wheel in the transmission mechanism, and the bearing seat is limited and fixed before the pressurizing seat is contacted with the cement test block;
s3: then continuously pressurizing the cement test block by the pressurizing seat until the cement test block is broken, obtaining the bending strength of the cement test block by an external bending strength detector for detecting the pressing thrust of the electric pushing cylinder when the cement test block is broken, then dropping the broken cement test block on the bottom plate, controlling the electric pushing cylinder to drive the top plate to ascend, then conveniently pushing the top plate to return under the action of a return spring so as to further enable the pressurizing seat to ascend and return, simultaneously driving the rack rod to ascend through the stabilizing sleeve, driving the worm sleeved by the one-way gear to rotate by the ascending rack rod, driving the rotating rod sleeved by the worm gear to rotate by the rotation of the worm, driving the transmission rod to rotate by the rotating rod, further driving the rack plate to move towards the accommodating groove by the reversing transmission gear, driving the guide pipe to transversely move on the guide rod by the moving rack plate, the reset spring is compressed, the bearing seat is driven to move outwards at the top of the bottom plate through the outward movement of the guide pipe, so that the falling opening is completely opened, the broken cement test block enters the detection platform through the falling opening and the slag falling opening, and then the buffer folded plate is matched with the spring telescopic hanging rod to play a role in buffering and unloading the falling cement test block, so that the impact force of the cement test block falling into the collection drawer is reduced;
s4: then after the top plate is completely reset, the abutting strips on the rack rods do not press the contact pressure blocks any more, then the contact pressure blocks are pushed to reset under the action of the thrust springs, so that the contact pressure blocks cancel the contact pressure on the lockless key switch, then the electric push rods automatically fall back and reset, the transmission gears in the driving rectangular frames and the linkage assemblies are conveniently meshed with the rack plate, and then the guide pipes are pushed to reset and move back under the action of the return springs after losing the limit, so that the bearing seats at the top of the bottom plate move back to the initial position;
s5: and after the quality detection of the cement test block is finished, cutting off the power supply.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the matching of the transmission mechanism, the bearing seat and the linkage assembly, the quality of the breaking strength of the cement test block can be rapidly detected, the broken slag of the detected cement test block can be automatically collected and guided, the broken cement test block can be prevented from being clamped at the position of a falling opening, and the size of the falling opening can be automatically changed, so that the effect of automatically removing the broken slag of the cement test block after quality detection is achieved.
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 without limiting 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 test stand configuration of the present invention;
FIG. 3 is a cross-sectional view of the initial state structure of the present invention;
FIG. 4 is a sectional view of the structure of the present invention in a preliminary depressed state;
FIG. 5 is a sectional view showing the engagement state of the transmission gear segment according to the present invention;
FIG. 6 is a sectional view showing the structure of the meshing state of the transmission gear according to the present invention;
FIG. 7 is a sectional view showing a side structure of a one-way gear according to the present invention;
FIG. 8 is an enlarged cross-sectional view of the structure of portion A of FIG. 6 in accordance with the present invention;
FIG. 9 is a cross-sectional view of the upper structure of the stabilization sleeve and stabilization post of the present invention.
Number in the figure: 1. a detection table; 2. a mounting frame; 3. an electric pushing cylinder; 4. a base plate; 5. a top plate; 6. a stabilizing sleeve; 7. stabilizing the column; 8. an anti-drop nut; 9. a bearing seat; 10. a pressurizing seat; 11. a collection drawer; 12. buffering folded plates; 13. positioning seats; 14. a guide bar; 15. a guide tube; 16. a return spring; 17. a rack plate; 18. a rectangular frame; 19. an electric push rod; 20. a transmission gear; 21. a first pulley; 22. a worm; 23. a worm gear; 24. a second pulley; 25. a rack bar; 26. a one-way gear; 27. positioning a block; 28. positioning a rod; 29. an arc-shaped stop block; 30. pressing the block in a touching manner; 31. a thrust spring; 32. a key switch without lock; 33. and abutting against the strip.
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. 1-9, a cement quality detection device comprises a detection table 1, a mounting frame 2 arranged at the top of the detection table 1 and an electric pushing cylinder 3 penetrating through the top of the mounting frame 2, wherein a slag falling port is formed in the middle of the top surface of the detection table 1, a bottom plate 4 is horizontally arranged in the middle of the top surface of the detection table 1, a top plate 5 is horizontally arranged above the top surface of the bottom plate 4, stabilizing columns 7 are vertically arranged at four corners of the top surface of the bottom plate 4, stabilizing sleeves 6 are vertically arranged at four corners of the top surface of the top plate 5 in a penetrating manner, the stabilizing sleeves 6 are movably sleeved on columns of the stabilizing columns 7, external threads are formed in the tops of the outer walls of the stabilizing columns 7, and anti-falling nuts 8 are connected to the tops of the stabilizing columns 7 through threads; the top surface of the top plate 5 is provided with a butting seat; a lower pressure plate is horizontally arranged at the bottom of the telescopic end of the electric pushing cylinder 3; a collecting drawer 11 is arranged in the lower part of the detection platform 1 in a sliding manner, a buffer folded plate 12 is movably arranged in the upper part of the detection platform 1, four corners of the top surface of the buffer folded plate 12 are respectively provided with a spring telescopic suspender, and the top end of the spring telescopic suspender is fixedly connected with the inner top surface of the detection platform 1; a pressurizing seat 10 for detecting the fracture resistance quality of the cement test piece is longitudinally arranged in the middle of the bottom surface of the top plate 5; a falling opening is longitudinally formed in the middle of the top surface of the bottom plate 4, bearing seats 9 are longitudinally arranged on two sides of the top surface of the bottom plate 4, and the upper parts of the inner side surfaces of the bearing seats 9 are inclined; the inner parts of the bottom plates 4 at the front end and the rear end of the two sides of the falling port are both provided with transverse moving cavities, and guide assemblies for the bearing seats 9 to slide are arranged in the transverse moving cavities; the periphery of the bottom surface of the bottom plate 4 is provided with a positioning seat 13, the top surface of the detection table 1 is provided with a positioning groove matched with the positioning seat 13, a transmission cavity is formed in the positioning seat 13, and a transmission mechanism for moving the bearing seat 9 is arranged in the transmission cavity; through the cooperation of drive mechanism and bearing seat 9 and linkage subassembly, be convenient for carry out short-term test to the quality of cement test block bending strength, simultaneously can carry out automatic collection and the derivation to the cement test block disintegrating slag after detecting, can avoid the cement test block card after the fracture to establish in whereabouts mouth department, simultaneously can carry out automatic change to the size of whereabouts mouth, and then play disintegrating slag self-cleaning's effect to the cement test block after the quality testing, when carrying out continuous bending strength to the multiunit cement test block and examining time measuring, it carries out the clear operation to need not the manual disintegrating slag after the staff will detecting, and then improved high efficiency and convenience to cement test block quality detection by a wide margin.
According to the invention, an installation cavity is formed in the stabilizing column 7, a rack rod 25 is vertically and movably arranged in the installation cavity, connecting plates are transversely arranged on two sides of the top of the rack rod 25, rectangular strip openings are vertically formed in the inner walls of two sides of the installation cavity, the outer end of each connecting plate extends out of the rectangular strip opening to be fixedly connected with the inner wall of the stabilizing sleeve 6, through openings are vertically formed in the top surface of the detection table 1 outside the positioning groove, a trigger cavity is formed in the lower part of the inner wall inside each through opening, and a trigger assembly is arranged in each trigger cavity; the top surface of the bottom plate 4 at the bottom of the stabilized column 7 is vertically matched with the rack rod 25 to be provided with a communication port, and the bottom end of the rack rod 25 movably penetrates into the communication port of the bottom plate 4 from the mounting cavity; the jacking spring is movably sleeved on the stabilizing column 7 at the lower part of the stabilizing sleeve 6, so that the rack rod 25 can be conveniently reset and lifted back, and the falling rack rod 25 can transmit the transmission mechanism.
In the invention, the guide assembly comprises a guide rod 14 transversely arranged in the transverse moving cavity, a guide tube 15 movably sleeved at the inner end of the guide rod 14, a return spring 16 movably sleeved at the outer end of the guide rod 14 and a rack plate 17 transversely arranged at the outer end of the tube body at the bottom of the guide tube 15, wherein the lower part of the inner wall of the outer end of the transverse moving cavity is transversely provided with an accommodating groove matched with the rack plate 17; the top of stand pipe 15 is equipped with the connecting rod, the interior top surface in sideslip chamber has transversely seted up the strip opening, the top of connecting rod extend from the strip opening in with the bottom rigid coupling of bearing seat 9, the fore-and-aft length of bearing seat 9 is greater than the vertical length of whereabouts mouth, and the even roll card in bearing seat 9 bottom is equipped with a plurality of stable balls, the bottom of stable ball and bottom plate 4's top surface activity butt, be convenient for improve the stability of bearing seat 9 when the sideslip, can make bearing seat 9 carry out the rebound from the restoring to the throne simultaneously.
In the invention, the transmission mechanism comprises a worm 22 transversely rotatably arranged in the lower part of the transmission cavity, a rotating rod longitudinally rotatably arranged in the middle part of the transmission cavity, a worm wheel 23 fixedly sleeved in the middle part of the rotating rod and a second belt pulley 24 fixedly sleeved at the front end of the rotating rod, the worm 22 is in meshing transmission with the worm wheel 23, the outer end of the worm 22 movably penetrates into the through hole and is sleeved with a one-way gear 26 through the rotation of a bearing ring, the one-way gear 26 is matched with a rack rod 25, and a positioning component for the one-way rotation of the worm 22 is arranged in the one-way gear 26; the positioning assembly comprises a plurality of positioning cavities which are equidistantly arranged in the one-way gear 26, positioning blocks 27 which are movably arranged in the positioning cavities and positioning rods 28 which are fixedly connected to the middle parts of the inner walls of the outer ends of the positioning cavities, a plurality of arc-shaped check blocks 29 are equidistantly arranged on the rod body of the worm 22 positioned in the inner ring of the one-way gear 26, one end of each arc-shaped check block 29 is in a vertical plane shape, and the outer wall of the other end of each arc-shaped check block 29 is in an arc slope plane shape; the inner end of the positioning block 27 movably penetrates out of the positioning cavity and movably abuts against the outer wall of the worm 22 between the arc-shaped stop blocks 29, and the inner end of the positioning block 27 is in an arc surface shape; a return spring is movably sleeved on the positioning rod 28, and a guide pore passage is formed in the outer end face of the positioning block 27 in a matched mode with the positioning rod 28, so that the rack plate 17 can be driven in a one-way mode conveniently.
In the invention, a transmission port communicated with a transmission cavity is vertically formed at the outer side of the inner bottom surface of the transverse moving cavity, a rectangular frame 18 is horizontally and movably arranged at the inner part of the transmission port, and a linkage assembly meshed with a rack plate 17 is arranged inside the rectangular frame 18; the linkage assembly comprises a transmission rod longitudinally and rotatably arranged in the rectangular frame 18, a transmission gear 20 fixedly sleeved in the middle of the transmission rod and a first belt pulley 21 fixedly sleeved at the front end of the transmission rod, the transmission gear 20 is matched with the rack plate 17, and a transmission belt is sleeved between the first belt pulley 21 and a second belt pulley 24; all seted up the steadying trough on the inner wall of transmission mouth both sides, the top level of 18 both sides outer walls of rectangle frame is equipped with the steadying plate, and the outer end activity of steadying plate is pegged graft at the steadying trough inside, the vertical electric push rod 19 that is equipped with steadying plate bottom surface rigid coupling on the interior bottom surface of steadying trough, is convenient for play spacing fixed effect to rack plate 17, and then when carrying out the quality detection to the cement test block, can make bearing seat 9 can not take place the displacement.
In the invention, the trigger assembly comprises a touch block 30 transversely movably arranged in the trigger cavity, a thrust spring 31 transversely fixedly connected to the upper end and the lower end of the inner side surface of the touch block 30 and a non-lock key switch 32 arranged in the middle of the inner wall of the inner side of the trigger cavity, the non-lock key switch 32 is electrically connected with the electric push rod 19, the outer end of the touch block 30 is arc-surface-shaped and movably penetrates into the through hole, the inner sides of the rack rods 25 are vertically provided with butt strips 33 matched with the touch block 30, and the bottom ends of the butt strips 33 are arc-surface-shaped, so that the electric push rod 19 can be conveniently started.
The working principle is as follows: in this embodiment, the present invention further provides a cement quality detection method of a cement quality detection apparatus, including the following steps:
firstly, electrically connecting an electric pushing cylinder 3 and an electric pushing rod 19 with external control equipment through leads respectively, then placing a cement test block to be detected on the tops of two bearing seats 9, then controlling the electric pushing cylinder 3 to push a lower pressing disc to butt against a butt seat on the top of a top plate 5, and further enabling the electric pushing cylinder 3 to push a pressurizing seat 10 on the bottom of the top plate 5 to descend through pushing down of the electric pushing cylinder 3;
step two, the cement test block placed on the top of the bearing seat 9 is conveniently pressurized by descending the pressurizing seat 10, the stabilizing sleeve 6 is driven to descend by the top plate 5, the rack rod 25 fixedly connected with the connecting plate is driven to descend by the descending stabilizing sleeve 6, the descending rack rod 25 does not drive the worm 22 to rotate by the one-way gear 26, the contact block 30 is pressed by the contact strip 33 by descending the rack rod 25, the contact block 30 is further pressed to contact the non-lock key switch 32, the electric push rod 19 is controlled to start by the non-lock key switch 32 after being pressed, the rectangular frame 18 is driven to ascend in the transmission port by starting the electric push rod 19, so that the transmission gear 20 is meshed with the rack plate 17, the rack plate 17 meshed with the transmission gear 20 plays a role of self-locking limiting and transverse moving through the meshing of the worm 22 and the worm wheel 23 in the transmission mechanism, before the pressurizing seat 10 is contacted with the cement test block, the supporting seat 9 is limited and fixed;
thirdly, continuously pressurizing the cement test block by the pressurizing seat 10 until the cement test block is broken, obtaining the bending strength of the cement test block by an external bending strength detector for detecting the pressing thrust of the electric pushing cylinder 3 when the cement test block is broken, then dropping the broken cement test block on the bottom plate 4, controlling the electric pushing cylinder 3 to drive the top plate 5 to ascend back, then conveniently pushing the top plate 5 to return under the action of a jacking spring, further enabling the pressurizing seat 10 to ascend back and return, simultaneously driving the rack rod 25 to ascend back by the stabilizing sleeve 6, driving the worm 22 sleeved with the one-way gear 26 by the rack rod 25 which ascends back to rotate, driving the rotating rod sleeved with the worm wheel 23 to rotate by the rotation of the worm 22, and driving the transmission rod to rotate back by the rotating rod which drives the transmission rod to rotate back, further enabling the driving gear 20 which rotates back to drive the rack plate 17 to move towards the accommodating groove, the guide pipe 15 is driven by the movable rack plate 17 to transversely move on the guide rod 14, the reset spring 16 is compressed, the bearing seat 9 is driven by outward movement of the guide pipe 15 to move outwards at the top of the bottom plate 4, so that the falling opening is completely opened, the broken cement test block enters the detection table 1 through the falling opening and the slag falling opening, the falling cement test block is buffered and unloaded by matching of the buffer folded plate 12 and the spring telescopic hanging rod, and the impact force of the falling cement test block in the collection drawer 11 is reduced;
step four, after the top plate 5 is completely reset, the abutting strip 33 on the rack rod 25 does not abut against the contact pressure block 30 any more, then the contact pressure block 30 is reset under the action of the thrust spring 31, further the contact pressure block 30 cancels the contact pressure on the non-lock key switch 32, then the electric push rod 19 automatically falls back and resets, so that the transmission gear 20 in the driving rectangular frame 18 and the linkage component is cancelled to be meshed with the rack plate 17, then the guide pipe 15 is pushed to reset and move back under the action of the return spring after the limit of the guide pipe 15 is lost, and further the bearing seat 9 at the top of the bottom plate 4 is moved back to the initial position;
and step five, after the quality detection of the cement test block is finished, cutting off a power supply.
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 (9)
1. The utility model provides a cement quality detection device, is including examining test table (1), locating and examining mounting bracket (2) at test table (1) top and running through electric pusher cylinder (3) of locating mounting bracket (2) top, its characterized in that: a slag falling hole is formed in the middle of the top surface of the detection table (1), a bottom plate (4) is horizontally arranged in the middle of the top surface of the detection table (1), a top plate (5) is horizontally arranged above the top surface of the bottom plate (4), stabilizing columns (7) are vertically arranged at four corners of the top surface of the bottom plate (4), stabilizing sleeves (6) vertically penetrate through the four corners of the top surface of the top plate (5), the stabilizing sleeves (6) are movably sleeved on columns of the stabilizing columns (7), external threads are formed in the tops of the outer walls of the stabilizing columns (7), and anti-falling nuts (8) are in threaded connection with the tops of the stabilizing columns (7); the top surface of the top plate (5) is provided with a butting seat; a lower pressure plate is horizontally arranged at the bottom of the telescopic end of the electric pushing cylinder (3);
a pressurizing seat (10) for detecting the fracture resistance quality of the cement test piece is longitudinally arranged in the middle of the bottom surface of the top plate (5); a falling opening is longitudinally formed in the middle of the top surface of the bottom plate (4), bearing seats (9) are longitudinally arranged on two sides of the top surface of the bottom plate (4), and the upper parts of the inner side surfaces of the bearing seats (9) are inclined; transverse moving cavities are formed in the bottom plates (4) at the front end and the rear end of the two sides of the falling opening, and guide assemblies for sliding the bearing seats (9) are arranged in the transverse moving cavities; all be equipped with positioning seat (13) around the bottom surface of bottom plate (4), the top surface of examining test table (1) all cooperates positioning seat (13) to seted up the constant head tank, positioning seat (13) inside has seted up the transmission chamber, the transmission intracavity portion is equipped with the drive mechanism who is used for bearing seat (9) to remove.
2. The cement quality detection apparatus according to claim 1, wherein: an installation cavity is formed in the stabilizing column (7), a rack rod (25) is vertically and movably arranged in the installation cavity, connecting plates are transversely arranged on two sides of the top of the rack rod (25), rectangular strip openings are vertically formed in the inner walls of two sides of the installation cavity, the outer end of each connecting plate extends out of each rectangular strip opening to be fixedly connected with the inner wall of the stabilizing sleeve (6), a through opening is vertically formed in the top surface of the detection table (1) outside the positioning groove, a trigger cavity is formed in the lower portion of the inner wall of the through opening, and a trigger assembly is arranged in the trigger cavity; the top surface of the bottom plate (4) at the bottom of the stabilizing column (7) is vertically matched with the rack rod (25) to form a communicating port, and the bottom end of the rack rod (25) movably penetrates into the communicating port of the bottom plate (4) from the mounting cavity; and a jacking spring is movably sleeved on the stabilizing column (7) at the lower part of the stabilizing sleeve (6).
3. The cement quality detecting apparatus according to claim 2, wherein: the guide assembly comprises a guide rod (14) transversely arranged in the transverse moving cavity, a guide pipe (15) movably sleeved at the inner end of the guide rod (14), a reset spring (16) movably sleeved at the outer end of the guide rod (14) and a rack plate (17) transversely arranged at the outer end of the bottom pipe body of the guide pipe (15), and the lower part of the inner wall of the outer end of the transverse moving cavity is transversely provided with an accommodating groove matched with the rack plate (17); the top of the guide pipe (15) is provided with a connecting rod, the inner top surface of the transverse moving cavity is transversely provided with a strip-shaped opening, the top end of the connecting rod extends out of the strip-shaped opening to be fixedly connected with the bottom of the bearing seat (9), the longitudinal length of the bearing seat (9) is greater than the longitudinal length of the falling opening, the bottom of the bearing seat (9) is uniformly clamped with a plurality of stable balls in a rolling manner, and the bottoms of the stable balls are movably abutted to the top surface of the bottom plate (4).
4. A cement quality testing device according to claim 3, wherein: the transmission mechanism comprises a worm (22) transversely and rotatably arranged in the lower part of the transmission cavity, a rotating rod longitudinally and rotatably arranged in the middle part of the transmission cavity, a worm wheel (23) fixedly sleeved in the middle part of the rotating rod and a second belt pulley (24) fixedly sleeved at the front end of the rotating rod, the worm (22) is in meshing transmission with the worm wheel (23), the outer end of the worm (22) movably penetrates into the penetration hole and is rotatably sleeved with a one-way gear (26) through a bearing ring, the one-way gear (26) is matched with a rack rod (25), and a positioning assembly for one-way rotation of the worm (22) is arranged in the one-way gear (26); the outer side of the inner bottom surface of the transverse moving cavity is vertically provided with a transmission port communicated with the transmission cavity, the inner part of the transmission port is horizontally and movably provided with a rectangular frame (18), and a linkage assembly meshed with the rack plate (17) is arranged inside the rectangular frame (18).
5. The cement quality detection apparatus according to claim 4, wherein: the linkage assembly comprises a transmission rod longitudinally and rotatably arranged in the rectangular frame (18), a transmission gear (20) fixedly sleeved in the middle of the transmission rod and a first belt pulley (21) fixedly sleeved at the front end of the transmission rod, the transmission gear (20) is matched with the rack plate (17), and a transmission belt is sleeved between the first belt pulley (21) and the second belt pulley (24); the inner walls of two sides of the transmission opening are provided with stabilizing grooves, the top of the outer walls of two sides of the rectangular frame (18) is horizontally provided with a stabilizing plate, the outer end of the stabilizing plate is movably inserted into the stabilizing groove, and the inner bottom surface of the stabilizing groove is vertically provided with an electric push rod (19) fixedly connected with the bottom surface of the stabilizing plate.
6. The cement quality detection apparatus according to claim 5, wherein: the positioning assembly comprises a plurality of positioning cavities which are equidistantly arranged in the one-way gear (26), positioning blocks (27) which are movably arranged in the positioning cavities and positioning rods (28) which are fixedly connected to the middle parts of the inner walls of the outer ends of the positioning cavities, the worm (22) is positioned on the rod body in the inner ring of the one-way gear (26) and is equidistantly provided with a plurality of arc-shaped stop blocks (29), one end of each arc-shaped stop block (29) is in a vertical plane shape, and the outer wall of the other end of each arc-shaped stop block (29) is in an arc-shaped slope plane shape; the inner end of the positioning block (27) movably penetrates out of the positioning cavity and movably abuts against the outer wall of the worm (22) between the arc-shaped stop blocks (29), and the inner end of the positioning block (27) is arc-shaped; a return spring is movably sleeved on the positioning rod (28), and a guide hole channel is formed in the outer end face of the positioning block (27) in a matched mode with the positioning rod (28).
7. The cement quality detecting apparatus according to claim 6, wherein: trigger the subassembly and locate the thrust spring (31) that touches lower extreme on briquetting (30) medial surface and locate no lock key switch (32) that trigger intracavity side inner wall middle part including horizontal activity, horizontal rigid coupling, the outer end that touches briquetting (30) runs through into the through hole for the cambered surface form and activity, equal vertical being equipped with on the inboard of rack bar (25) and touching briquetting (30) complex butt strip (33), just the bottom of butt strip (33) is the cambered surface form.
8. The cement quality detection apparatus according to claim 1, wherein: it is equipped with collection drawer (11) to slide in the lower part of examining test table (1), the upper portion internalization of examining test table (1) is equipped with buffering folded plate (12), the top surface four corners of buffering folded plate (12) all is equipped with the flexible jib of spring, the top of the flexible jib of spring and the interior top surface rigid coupling of examining test table (1).
9. A method for detecting cement quality of a cement quality detecting apparatus according to any one of claims 1 to 8, comprising the steps of:
s1: firstly, the electric pushing cylinder (3) and the electric push rod (19) are respectively and electrically connected with external control equipment through leads, then a cement test block to be detected is placed at the tops of the two bearing seats (9), then the electric pushing cylinder (3) is controlled to push the lower press plate to butt against a butt joint seat at the top of the top plate (5), and the electric pushing cylinder (3) pushes the pressurizing seat (10) at the bottom of the top plate (5) to descend through pushing down of the electric pushing cylinder (3);
s2: the cement test block placed at the top of the bearing seat (9) is convenient to pressurize by descending of the pressurizing seat (10), the stabilizing sleeve (6) is driven to descend by the top plate (5), the rack rod (25) fixedly connected with the connecting plate is driven to descend by the descending stabilizing sleeve (6), the descending rack rod (25) cannot drive the worm (22) to rotate by the one-way gear (26), the contact block (30) is pressed by the contact strip (33) by descending of the rack rod (25), the contact block (30) is further pressed by the non-lock key switch (32), the electric push rod (19) is controlled to start by the non-lock key switch (32) after being pressed, the rectangular frame (18) is driven to ascend in the transmission port by starting of the electric push rod (19), the transmission gear (20) is meshed with the rack plate (17), and the rack plate meshed with the worm (20) by meshing of the worm (22) and the worm wheel (23) in the transmission mechanism (17) The device has the functions of self-locking, limiting and transverse moving, and further has the functions of limiting and fixing the bearing seat (9) before the pressurizing seat (10) is contacted with the cement test block;
s3: then continuously pressurizing the cement test block through the pressurizing seat (10) until the cement test block is broken, obtaining the bending strength of the cement test block through an external bending strength detector for detecting the pressing thrust of the electric pushing cylinder (3) when the cement test block is broken, then dropping the broken cement test block on the bottom plate (4), then controlling the electric pushing cylinder (3) to drive the top plate (5) to lift back, then conveniently pushing the top plate (5) to return back under the action of a return spring, further enabling the pressurizing seat (10) to lift back and return, simultaneously driving the rack rod (25) to lift back through the stabilizing sleeve (6), driving the worm (22) sleeved with the one-way gear (26) to rotate through the returned rack rod (25), driving the rotating rod sleeved with the worm wheel (23) to rotate through the rotation of the worm (22), and being in transmission connection with the first belt pulley (21) through the second belt pulley (24), the rotating rod drives the transmission rod to rotate reversely, so that the rack plate (17) is driven by the reverse transmission gear (20) to move towards the accommodating groove, the guide pipe (15) is driven by the movable rack plate (17) to transversely move on the guide rod (14), the reset spring (16) is compressed, the bearing seat (9) is driven by the outward movement of the guide pipe (15) to move outwards at the top of the bottom plate (4), the falling opening is completely opened, the broken cement test block enters the detection table (1) through the falling opening and the slag falling opening, the falling cement test block is buffered and unloaded through the matching of the buffer folded plate (12) and the spring telescopic hanger rod, and the impact force of the cement test block falling into the collecting drawer (11) is reduced;
s4: then after the top plate (5) is completely reset, the abutting strip (33) on the rack rod (25) does not abut against the contact pressing block (30) any more, then the contact pressing block (30) is pushed to reset under the action of the thrust spring (31), so that the contact pressing block (30) cancels the contact pressure of the non-lock key switch (32), then the electric push rod (19) automatically falls back to reset, so that the driving rectangular frame (18) and a transmission gear (20) in the linkage assembly are driven to cancel the meshing with the rack plate (17), then the guide pipe (15) pushes the guide pipe (15) to reset and move back under the action of a return spring after losing the limit, and further the bearing seat (9) at the top of the bottom plate (4) moves back to the initial position;
s5: and after the quality detection of the cement test block is finished, cutting off the power supply.
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| CN115338521A (en) * | 2022-10-18 | 2022-11-15 | 南京顶擎信息技术有限公司 | Portable direct current electric welding machine |
| CN115493946A (en) * | 2022-11-22 | 2022-12-20 | 连云港市源通水泥制品有限公司 | Equipment for detecting compressive capacity of cement prefabricated part |
| CN115855135A (en) * | 2023-02-21 | 2023-03-28 | 西安感崆电子信息科技有限公司 | Detection equipment for output signal stability of photoelectric sensor |
| CN116256233A (en) * | 2023-05-16 | 2023-06-13 | 苏州新地建设工程质量检测有限公司 | Building cement quality detection device |
| CN116593101A (en) * | 2023-05-06 | 2023-08-15 | 扬州恒力碟形弹簧制造有限公司 | Be used for belleville spring overvoltage detection device |
| CN116929947A (en) * | 2023-09-15 | 2023-10-24 | 中国建筑一局(集团)有限公司 | Intensity testing device of concrete test block |
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| CN116929947A (en) * | 2023-09-15 | 2023-10-24 | 中国建筑一局(集团)有限公司 | Intensity testing device of concrete test block |
| CN116929947B (en) * | 2023-09-15 | 2024-01-12 | 中国建筑一局(集团)有限公司 | Intensity testing device of concrete test block |
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Effective date of registration: 20220908 Address after: Xiaomazhuang Village, Chengnan Office, Jinan New District, Handan City, Hebei Province, 056000 Applicant after: Hebei Dehui Engineering Testing Co.,Ltd. Address before: 261000 f-21, building 4, Beiwang international Cyberport, 619 Weizhou Road, Kuiwen District, Weifang City, Shandong Province Applicant before: Weifang Shangjie Cement Co.,Ltd. |
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