CN116930469B - Crack hazard degree data detection equipment for concrete shrinkage experiments - Google Patents
Crack hazard degree data detection equipment for concrete shrinkage experiments Download PDFInfo
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- CN116930469B CN116930469B CN202311203716.7A CN202311203716A CN116930469B CN 116930469 B CN116930469 B CN 116930469B CN 202311203716 A CN202311203716 A CN 202311203716A CN 116930469 B CN116930469 B CN 116930469B
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- 238000001514 detection method Methods 0.000 title claims abstract description 62
- 238000002474 experimental method Methods 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 91
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000012423 maintenance Methods 0.000 claims description 9
- 210000001161 mammalian embryo Anatomy 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 12
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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; ceramics; glass; bricks
- G01N33/383—Concrete, cement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses crack hazard degree data detection equipment for concrete shrinkage experiments, which belongs to the technical field of concrete detection and comprises a test bed, wherein a supporting upright post is fixedly arranged on the test bed, a plurality of vibrating areas are arranged on the test bed positioned around the supporting upright post, a vibrating assembly is arranged on the test bed, a plurality of blank making die assemblies are arranged on the test bed positioned at the vibrating areas, and a plurality of test detection assemblies matched with the vibrating areas are arranged on the outer side wall of the supporting upright post. According to the invention, the concrete materials in the blank making die holder are weighed and vibrated through the plurality of vibration areas, after the concrete materials are primarily solidified, the solidified concrete blanks are conveyed into the test groove in the test die holder through the linkage assembly, and after the displacement sensor is zeroed through the test detection assembly, the dryness and shrinkage degree of the concrete blanks are recorded, so that the concrete shrinkage experiment is automatically realized, the manual operation time is reduced, and the accuracy of the detection result is improved.
Description
Technical Field
The invention relates to the technical field of concrete detection, in particular to a crack hazard degree data detection device for a concrete shrinkage experiment.
Background
The dry shrinkage of the cement concrete is an unavoidable harmful volume change of the cement concrete in the use process, the dry shrinkage grows along with the time, the growth starts to be faster, the shrinkage tends to be slow along with the time, most of shrinkage occurs within three months of age, and the dry shrinkage of the concrete is another important influencing factor for influencing the transverse cracking of the pavement;
after proportioning, concrete is required to be subjected to shrinkage test, embryo making is required before the shrinkage test is carried out, but the current embryo making is mainly realized through a die, the die cannot vibrate the concrete, so that the randomness of test operation exists in the embryo making process of the concrete, the shrinkage condition of the concrete in an actual construction state cannot be truly simulated, the current concrete shrinkage test is mainly carried out through manual operation, the period is long, the time and energy of a large number of scientific researchers can be consumed in the process, the human interference to the manual operation can be great, and full-automatic detection equipment is lacked, so that the crack hazard degree data detection equipment for the concrete shrinkage test is provided.
Disclosure of Invention
The invention aims to solve the problems that a large amount of time and energy of scientific researchers are consumed in the detection process, human interference on manual operation is great, and full-automatic detection equipment is lacking in the prior art, and provides the crack hazard degree data detection equipment for the concrete shrinkage experiment.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a crack hazard degree data detection equipment for concrete shrinkage experiments, includes the test bench, fixedly is provided with the support column on the test bench, be located support column all around be provided with a plurality of areas of vibrating on the test bench, be located the area department of vibrating be provided with the subassembly of vibrating on the test bench of area department of vibrating be provided with a plurality of embryo mould subassemblies, the support column lateral wall be provided with a plurality of test detection subassemblies of area looks adaptation of vibrating, the top is provided with the footstock on the support column, be provided with electric putter in the footstock, electric putter output is connected with the maintenance cover body;
the vibrating assembly comprises a mounting port arranged in a vibrating area on the test bed, the inner wall of the mounting port is connected with a vibrating seat through a plurality of connecting springs, a transmission port which is annularly arranged is arranged in the test bed, and the transmission port is connected with the vibrating seat through the vibrating transmission assembly;
the blank making die assembly comprises a control push rod arranged on the test bed, the output end of the control push rod is connected with a blank making die holder through a linkage assembly, and one end of the blank making die holder is provided with a blank separating assembly;
the test detection assembly comprises a test die holder fixedly arranged on the support upright, a test groove which is obliquely arranged is formed in the test die holder, and an adjustable displacement sensor is connected to the top in the test groove through a self-braking assembly.
Preferably, the vibration transmission assembly comprises a driving motor arranged on the test bed, the output end of the driving motor penetrates into the transmission port and is fixedly connected with a driving gear, the inner wall of the transmission port is rotationally connected with a rotating ring, and the inner side wall of the rotating ring is provided with an inner meshing toothed ring which is meshed and connected with the driving gear.
Preferably, the wave groove has been seted up at the swivel becket top, the ball groove has been seted up at wave groove top, vibrating seat bottom fixedly connected with actuating post, actuating post bottom is provided with the conflict ball that is located the ball inslot.
Preferably, the linkage assembly comprises a linkage cavity formed in the test bed, the control push rod is arranged in the linkage cavity and is fixedly connected with a linkage disc, and the linkage disc is fixedly connected with a plurality of linkage racks penetrating through the side wall.
Preferably, a U-shaped connecting seat is arranged on the test bed, a rotating rod is fixedly connected to the end part of the blank making die holder, a rotating gear meshed with the linkage rack is connected to the end part of the rotating rod, and the rotating gear is rotationally connected with the U-shaped connecting seat through a rotating shaft.
Preferably, the blank separating assembly comprises a movable end plate arranged in a blank making die holder, the upper end and the lower end of the movable end plate are fixedly connected with spring columns, and the blank making die holder is provided with sliding holes matched with the spring columns;
the movable end plate is fixedly connected with a pressed triangular block, a connecting port penetrating through the side wall is formed in the blank making die holder, a contact supporting column is arranged in the connecting port, and a triangular pressure block which is in contact with the pressed triangular block is arranged at the top of the contact supporting column.
Preferably, the self-braking assembly comprises a mounting hole arranged on a test die holder, a detection column is slidably arranged in the mounting hole, the end part of the adjustable displacement sensor is arranged at the end part of the detection column, the other end of the detection column is fixedly connected with a force storage disc, the force storage disc is sleeved with a force storage spring arranged on the outer side wall of the detection column, a straight tooth slot is formed in the side wall of the detection column, a brake gear is connected to the test die holder through a brake shaft, and the brake gear is meshed with the straight tooth slot.
Preferably, the test die holder is obliquely arranged, and a rubber cushion layer matched with the maintenance cover body is arranged at the bottom of the test die holder.
Preferably, a pressure sensor for detecting the weight of the blank mold base is arranged at the top of the vibrating seat.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, a plurality of vibrating areas are arranged to weigh and vibrate the concrete material in the blank making die holder, after the concrete material is primarily solidified, the solidified concrete blank is conveyed into a test groove in the test die holder through the linkage assembly, and after the displacement sensor is zeroed through the test detection assembly, the dryness and shrinkage degree of the concrete blank is recorded, so that the concrete shrinkage experiment is automatically realized, the manual operation time is reduced, and the accuracy of the detection result is improved.
2. According to the invention, the vibration assembly is arranged to drive the vibration of the concrete material in the blank making die assembly, so that the vibration operation in the actual construction is simulated, the accuracy of experimental data is ensured, the pressure sensor is arranged to limit the variable of the concrete material, the interference of human factors is reduced, and the overall accuracy of the equipment is improved.
Drawings
Fig. 1 is a schematic diagram of a three-dimensional structure of a crack hazard degree data detection device for a concrete shrinkage experiment;
fig. 2 is a schematic cross-sectional structure diagram of a crack hazard degree data detection device for concrete shrinkage experiments;
FIG. 3 is an enlarged schematic view of FIG. 2A;
FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 2;
fig. 5 is a schematic structural diagram of a linkage assembly and an embryo-making die holder in a crack hazard degree data detection device for concrete shrinkage experiments;
fig. 6 is a schematic structural diagram of a vibration transmission assembly in a crack hazard degree data detection device for concrete shrinkage experiments.
In the figure: 1. a test bed; 2. a support column; 3. a top base; 4. an electric push rod; 5. maintaining the cover body; 6. a mounting port; 7. vibrating the base; 8. a transmission port; 9. a control push rod; 10. blank-making die holder; 11. the test die holder; 12. a test tank; 13. a driving motor; 14. a drive gear; 15. a rotating ring; 16. an inner mesh toothed ring; 17. a spherical groove; 18. a drive column; 19. a collision ball; 20. a linkage disc; 21. a linkage rack; 22. a U-shaped connecting seat; 23. a rotating lever; 24. rotating the gear; 25. a movable end plate; 26. a spring post; 27. a pressed triangular block; 28. a contact column; 29. a triangular pressure block; 30. a detection column; 31. a force storage disc; 32. an electronic brake gear; 33. straight tooth slot; 34. a rubber cushion layer; 35. a pressure sensor; 36. an adjustable displacement sensor.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
1-6, a crack hazard degree data detection device for concrete shrinkage experiments comprises a test bed 1, wherein a supporting upright post 2 is fixedly arranged on the test bed 1, a plurality of vibrating areas are arranged on the test bed 1 around the supporting upright post 2, and a plurality of groups of vibrating areas can be arranged according to the size of the arranged test bed 1;
the top is provided with footstock 3 on the support stand 2, is provided with electric putter 4 in the footstock 3, and electric putter 4 output is connected with maintenance cover body 5, and test die holder 11 is the slope setting, and its bottom is provided with the rubber cushion 34 with maintenance cover body 5 matched with.
What needs to be explained is: the test die holder 11 is obliquely arranged, so that the blank die holder 10 can be rotated by more than 90 degrees when the blank die holder 10 is rotated, the blank die holder is changed from a horizontal state to a state greater than a vertical state, and in the process, a test concrete blank in the blank die holder 10 slides into a test groove 12 in the test die holder 11 under the action of gravity;
wherein, the maintenance cover body 5 is inside to be provided with a plurality of and to constitute the corresponding region of airtight environment with test die holder 11, and when the maintenance cover body 5 moves down under the action of electric putter 4, its structure that inclines to set up can make the maintenance cover body 5 when moving to the bottommost, contacts with rubber cushion 34, realizes sealed effect.
Be provided with the subassembly that vibrates on being located the test bench 1 of regional department of vibrating, the subassembly that vibrates is including seting up the installing port 6 in the regional of vibrating on test bench 1, the installing port 6 inner wall is through a plurality of connecting spring connection's vibrating seat 7, set up in the test bench 1 and be the annular transmission mouth 8 that sets up, the transmission mouth 8 is connected with vibrating seat 7 through vibrating transmission subassembly, vibrating seat 7 top is provided with the pressure sensor 35 that carries out weight detection to embryo die holder 10, pressure sensor 35 is prior art, do not make details here.
The pressure sensor 35 provided on the vibrating seat 7 can detect the weight of the blank holder 10, so that the consistency of the weight of the concrete added into the blank holder 10 can be accurately grasped, and the variable factors in the test process can be reduced.
Further, the vibration transmission assembly comprises a driving motor 13 arranged on the test bed 1, the driving motor 13 is of the prior art, details are not repeated here, the output end of the driving motor 13 penetrates into the transmission port 8 and is fixedly connected with a driving gear 14, the inner wall of the transmission port 8 is rotationally connected with a rotating ring 15, the inner side wall of the rotating ring 15 is provided with an inner meshed toothed ring 16 meshed with the driving gear 14, the top of the rotating ring 15 is provided with a wave groove, the top of the wave groove is provided with a ball groove 17, the bottom of the vibration seat 7 is fixedly connected with a driving column 18, and the bottom of the driving column 18 is provided with a collision ball 19 positioned in the ball groove 17.
It is worth noting that the abutting balls 19 are in the spherical grooves 17, when the rotating ring 15 rotates, the spherical grooves 17 are driven to rotate, vertical vibration of the vibration seat 7 can be achieved under the arrangement of the wavy grooves with irregular fluctuation, meanwhile, vibration of a plurality of groups of concrete blanks in the blank making die holder 10 is achieved, vibration operation during actual building construction is simulated, and accuracy of test data is guaranteed.
A plurality of blank making die assemblies are arranged on the test bed 1 positioned in the vibration area, each blank making die assembly comprises a control push rod 9 arranged on the test bed 1, the control push rod 9 is one of electric motor push rods, the prior art is not described in detail herein, and the output end of the control push rod 9 is connected with a blank making die holder 10 through a linkage assembly;
further, the linkage assembly comprises a linkage cavity formed in the test bed 1, the control push rod 9 is arranged in the linkage cavity and is fixedly connected with a linkage disc 20, the linkage disc 20 is fixedly connected with a plurality of linkage racks 21 penetrating through the side walls, the test bed 1 is provided with a U-shaped connecting seat 22, the end part of the blank-making die holder 10 is fixedly connected with a rotating rod 23, the end part of the rotating rod 23 is connected with a rotating gear 24 meshed with the linkage racks 21, and the rotating gear 24 is rotationally connected with the U-shaped connecting seat 22 through a rotating shaft.
It should be noted that, when the vibrating seat 7 on the test stand 1 contacts with the blank-making die holder 10, the linkage rack 21 is in a storage state and is not meshed with the rotating gear 24, so that the measurement of the weight by the pressure sensor 35 arranged in the vibrating seat 7 is not affected;
the adoption of the method has the further advantages that the control push rod 9 drives the linkage disc 20 connected with the control push rod to move upwards, so that the linkage rack 21 connected with the control push rod is driven to move upwards, the linkage rack 21 moves and drives the rotating rod 23 meshed with the linkage rack through the rotating gear 24 to rotate, and the blank mold base 10 is driven to rotate when the rotating rod 23 rotates, so that the preliminary solidification of the concrete blank in the blank mold base 10 is conveyed into the test mold base 11 for testing.
One end of the blank mold base 10 is provided with a blank separating component, further, the blank separating component comprises a movable end plate 25 arranged in the blank mold base 10, the upper end and the lower end of the movable end plate 25 are fixedly connected with spring columns 26, and the blank mold base 10 is provided with sliding holes matched with the spring columns 26;
the movable end plate 25 is fixedly connected with a pressed triangular block 27, the blank mold base 10 is provided with a connecting port penetrating through the side wall, a contact column 28 is arranged in the connecting port, and the top of the contact column 28 is provided with a triangular pressure block 29 which is in contact with the pressed triangular block 27.
It should be noted that, after the concrete blank is solidified in the blank making die holder 10, if the blank making die holder 10 is not demolded, demolding cannot be achieved by concrete, through setting the blank separating component, when the blank making die holder 10 is driven to rotate by the linkage component, the extrusion force of the vibrating base 7 to the contact column 28 is cancelled, when the extrusion force is cancelled, the pressure of the triangular pressure block 29 to the pressed triangular block 27 is cancelled, the movable end plate 25 can be moved under the action of the pressure of the spring column 26 to separate from the concrete blank, at this time, the end part of the concrete blank is not supported by the movable end plate 25, and the concrete blank can slide downwards in the rotating process of the blank making die holder 10 under the action of gravity to achieve the effect of automatic demolding.
The supporting column 2 lateral wall is provided with and vibrates regional a plurality of experimental detection components of looks adaptation, and experimental detection component is including fixed setting up the experimental die holder 11 on the supporting column 2, has offered the test groove 12 that is the slope setting on the experimental die holder 11, and the top is connected with adjustable displacement sensor 36 through the self-braking subassembly in the test groove 12, and adjustable displacement sensor 36 is prior art, and detailed description is not repeated here, and it can realize the detection to the shrinkage travel distance of the concrete embryo material that detects.
Further, the self-braking assembly comprises a mounting hole arranged on the test die holder 11, a detection post 30 is slidably arranged in the mounting hole, the end part of an adjustable displacement sensor 36 is arranged at the end part of the detection post 30, the other end of the detection post 30 is fixedly connected with a force storage disc 31, the force storage disc 31 is sleeved with a force storage spring arranged on the outer side wall of the detection post 30, a straight tooth groove 33 is formed in the side wall of the detection post 30, an electronic brake gear 32 is connected to the test die holder 11 through a brake shaft, and the electronic brake gear 32 is meshed with the straight tooth groove 33.
The electronic brake gear 32 is a gear controlled by an electronic brake, and the electronic brake is in the prior art, which is not described in detail herein, wherein the effect of stopping locking at any time can be achieved, and the electronic brake gear 32 is meshed with the straight tooth slot 32, so that the movement of the detection column 30 can be locked.
When the invention is used for carrying out a concrete shrinkage experiment, the equipment can realize automatic whole-course detection, the detection result is as follows, a tester stirs the prepared concrete material and then pours the stirred concrete material into the blank-making die holder 10, and at the moment, the weight of the concrete material can be controlled according to the weight value on the pressure sensor 35;
after the injection of the concrete material is completed, a driving motor 13 is started, the driving motor 13 drives a driving gear 14 connected with the driving motor 13 to rotate, a rotating ring 15 is driven by an inner meshed gear ring 16 and the driving gear 14, the rotating ring 15 can rotate, a ball groove 17 is driven to rotate in the rotating process of the rotating ring 15, the vibrating seat 7 can be vibrated up and down under the arrangement of a wavy groove with irregular fluctuation, meanwhile, a plurality of groups of concrete blanks in a blank mold seat 10 are vibrated, vibrating operation in actual building construction is simulated, accuracy of test data is ensured, the concrete material after vibrating is placed for a period of time, and equipment control is tested after the concrete is primarily solidified;
after the preset time is reached, the control push rod 9 is opened, the control push rod 9 drives the linkage disc 20 connected with the control push rod 9 to move upwards, so that the linkage rack 21 connected with the control push rod is driven to move upwards, the linkage rack 21 moves and drives the rotating rod 23 meshed with the linkage rack through the rotating gear 24 to rotate, and the blank mold base 10 is driven to rotate when the rotating rod 23 rotates, so that the initially solidified concrete blank in the blank mold base 10 is conveyed into the test mold base 11;
the concrete blank after delivery can be in test tank 12, and under the effect of gravity its bottom and the state of being in contact in the test tank 12, at this moment, control the release to the locking of electronic brake gear 32, the hold power dish 31 under hold power spring effect can drive the detection post 30 and move down, the adjustable displacement sensor 36 that sets up at the detection post 30 tip can realize contacting with concrete blank tip at this moment, electronic brake gear 32 locks at this moment, the position of adjustable displacement sensor 36 is the initial end of detection (zeroing), displacement sensor can be at the time of following to the dry shrinkage volume of concrete blank is regularly detected, thereby can obtain a data curve of concrete dry shrinkage degree, realize automated detection, reduce artificial operating time, improve the precision of detection.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a crack harm degree data detection equipment for concrete shrinkage experiments, includes test bench (1), its characterized in that, fixedly on test bench (1) be provided with support post (2), be located support post (2) all around be provided with a plurality of areas of vibrating on test bench (1) of being located the area of vibrating is provided with the subassembly of vibrating on test bench (1) of being located the area of vibrating department be provided with a plurality of embryo mould subassemblies of making, support post (2) lateral wall be provided with a plurality of test detection subassemblies of area looks adaptation of vibrating, the top is provided with footstock (3) on support post (2), be provided with electric putter (4) in footstock (3), electric putter (4) output is connected with maintenance cover body (5);
the vibrating assembly comprises a mounting opening (6) arranged in a vibrating area on the test bed (1), wherein the inner wall of the mounting opening (6) is connected with a vibrating seat (7) through a plurality of connecting springs, a transmission opening (8) which is annularly arranged is arranged in the test bed (1), and the transmission opening (8) is connected with the vibrating seat (7) through the vibrating transmission assembly;
the blank making die assembly comprises a control push rod (9) arranged on the test bed (1), the output end of the control push rod (9) is connected with a blank making die holder (10) through a linkage assembly, and one end of the blank making die holder (10) is provided with a blank separating assembly;
the test detection assembly comprises a test die holder (11) fixedly arranged on the support upright post (2), a test groove (12) which is obliquely arranged is formed in the test die holder (11), and the inner top of the test groove (12) is connected with an adjustable displacement sensor (36) through a self-braking assembly;
the automatic braking assembly comprises a mounting hole arranged on a test die holder (11), a detection column (30) is arranged in the mounting hole in a sliding mode, the end part of the adjustable displacement sensor is arranged at the end part of the detection column (30), the other end of the detection column (30) is fixedly connected with a force storage disc (31), the force storage disc (31) is sleeved with a force storage spring arranged on the outer side wall of the detection column (30), a straight tooth slot (33) is formed in the side wall of the detection column (30), an electronic brake gear (32) is connected to the test die holder (11) through a brake shaft, and the electronic brake gear (32) is meshed with the straight tooth slot (33).
2. The crack hazard degree data detection device for concrete shrinkage experiments according to claim 1, wherein the vibration transmission assembly comprises a driving motor (13) arranged on the test bed (1), the output end of the driving motor (13) penetrates into the transmission port (8) and is fixedly connected with a driving gear (14), the inner wall of the transmission port (8) is rotationally connected with a rotating ring (15), and the inner wall of the rotating ring (15) is provided with an inner meshing toothed ring (16) which is meshed with the driving gear (14).
3. The crack hazard degree data detection device for concrete shrinkage experiments according to claim 2, wherein the top of the rotating ring (15) is provided with a wave groove, the top of the wave groove is provided with a ball groove (17), the bottom of the vibrating seat (7) is fixedly connected with a driving column (18), and the bottom of the driving column (18) is provided with a collision ball (19) positioned in the ball groove (17).
4. The crack hazard degree data detection device for concrete shrinkage experiments according to claim 1, wherein the linkage assembly comprises a linkage cavity formed in a test bed (1), the control push rod (9) is arranged in the linkage cavity and is fixedly connected with a linkage disc (20), and the linkage disc (20) is fixedly connected with a plurality of linkage racks (21) penetrating through the side walls.
5. The crack hazard degree data detection device for concrete shrinkage experiments according to claim 4, wherein a U-shaped connecting seat (22) is arranged on the test bed (1), a rotating rod (23) is fixedly connected to the end part of the blank-making die holder (10), a rotating gear (24) meshed with the linkage rack (21) is connected to the end part of the rotating rod (23), and the rotating gear (24) is connected with the U-shaped connecting seat (22) in a rotating mode through a rotating shaft.
6. The crack hazard degree data detection device for concrete shrinkage experiments according to claim 1, wherein the blank separating assembly comprises a movable end plate (25) arranged in a blank making die holder (10), spring columns (26) are fixedly connected to the upper end and the lower end of the movable end plate (25), and sliding holes matched with the spring columns (26) are formed in the blank making die holder (10);
the movable end plate (25) is fixedly connected with a pressed triangular block (27), a connecting port penetrating through the side wall is formed in the blank making die holder (10), a contact supporting column (28) is arranged in the connecting port, and a triangular pressure block (29) which is in contact with the pressed triangular block (27) is arranged at the top of the contact supporting column (28).
7. The crack hazard degree data detection device for concrete shrinkage experiments according to claim 1, wherein the test die holder (11) is obliquely arranged, and a rubber cushion layer (34) matched with the maintenance cover body (5) is arranged at the bottom of the test die holder.
8. The crack hazard degree data detection device for concrete shrinkage experiments according to claim 1, wherein a pressure sensor (35) for detecting the weight of the blank mold base (10) is arranged at the top of the vibration seat (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311203716.7A CN116930469B (en) | 2023-09-19 | 2023-09-19 | Crack hazard degree data detection equipment for concrete shrinkage experiments |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311203716.7A CN116930469B (en) | 2023-09-19 | 2023-09-19 | Crack hazard degree data detection equipment for concrete shrinkage experiments |
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| CN116930469A CN116930469A (en) | 2023-10-24 |
| CN116930469B true CN116930469B (en) | 2023-12-01 |
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| CN202311203716.7A Active CN116930469B (en) | 2023-09-19 | 2023-09-19 | Crack hazard degree data detection equipment for concrete shrinkage experiments |
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| CN219179405U (en) * | 2022-12-22 | 2023-06-13 | 北京希达工程管理咨询有限公司 | Concrete quality detection device |
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