CN116296764B - Self-hardening sand creep property measuring equipment - Google Patents
Self-hardening sand creep property measuring equipment Download PDFInfo
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- CN116296764B CN116296764B CN202310546578.6A CN202310546578A CN116296764B CN 116296764 B CN116296764 B CN 116296764B CN 202310546578 A CN202310546578 A CN 202310546578A CN 116296764 B CN116296764 B CN 116296764B
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- 239000004576 sand Substances 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 210000001503 joint Anatomy 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000013011 mating Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/14—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by dead weight, e.g. pendulum; generated by springs tension
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses self-hardening sand creep property measuring equipment, which relates to the technical field of creep property measurement and comprises a base, wherein a first vertical frame and a second vertical frame are respectively arranged at two ends of the base, a horizontal bracket is arranged between the first vertical frame and the second vertical frame, a measuring mechanism is arranged on the horizontal bracket, the measuring mechanism comprises a sliding plate, a telescopic column is arranged on the sliding plate, two ends of the telescopic column are respectively fixedly connected with the first right-angle frame and the second right-angle frame, a plug-in rod is arranged between the first right-angle frames, a telescopic motor is horizontally arranged on the first vertical frame, a connecting component is arranged between the second right-angle frame and the telescopic motor, a tensile stress test can be conducted on a sample in a horizontal state through the measuring mechanism and the telescopic motor, a pulley is arranged at the bottom of one end, facing the connecting component, of the sliding plate, which is far away from the pulley, is provided with a lifting mechanism, and the sliding plate is vertically adjusted through the lifting mechanism, so that the compressive stress test under the vertical state of the sample is facilitated.
Description
Technical Field
The invention relates to the technical field of creep property measurement, in particular to self-hardening sand creep property measurement equipment.
Background
The creep deformation of the self-hardening sand of the ester hardening water glass is closely related to the modulus, density, specification of a curing agent, addition amount of the curing agent, temperature, humidity of a production site, size and shape of a core, so that a creep deformation tester is required to be used for measuring the stretching, compression durability, creep deformation and relaxation of the self-hardening sand.
The existing creep property tester can only test a sample in a horizontal state when stretching or compressing, and creep property of the sample can also occur under the action of self gravity, so that the creep property test of the sample in a horizontal or vertical state can not be switched by adjusting the sample instrument according to the size of the sample.
Disclosure of Invention
The invention aims to provide self-hardening sand creep property measuring equipment for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a self-hardening sand creep property measuring equipment, includes the base, the both ends of base are provided with first vertical frame and the vertical frame of second respectively, be provided with horizontal stand between first vertical frame and the vertical frame of second, be provided with measuring mechanism on the horizontal stand, measuring mechanism includes the slide, be provided with the telescopic column on the slide, the both ends of telescopic column respectively with first electro-magnet and second electro-magnet cooperation installation, fixed mounting between first electro-magnet and second electro-magnet and the slide, the both ends of telescopic column respectively with first right angle frame and second right angle frame fixed connection, be provided with the plug rod between first right angle frame and the second right angle frame, the plug rod is passed through to the first right angle frame and is pegged graft with the second right angle frame, and test sample is placed on the horizontal plane of first right angle frame, with the both ends and the first right angle frame of test sample and second right angle frame between fixed connection, and the tie point department is provided with tension sensor, the level is provided with telescopic motor on the first vertical frame, be provided with coupling assembling between second right angle frame and the motor, the bottom is provided with the pulley towards the one end of being connected with, the pulley is kept away from to the pulley.
As a further scheme of the invention: the connecting assembly comprises a fixed plate arranged on a second right-angle frame, a second connector is connected to the fixed plate, a sliding groove is formed in the end portion of the second connector, a matching block is arranged in the sliding groove, a hook is arranged on the matching block, a matching rod is arranged on the hook, a first connector is arranged on the telescopic motor, a chute and a transverse groove are formed in the end portion of the first connector, the hook is inserted into the middle of the first connector, and the matching rod on the hook enters the transverse groove along the chute to be connected with the first connector.
As still further aspects of the invention: the lifting device is characterized in that an extension frame is arranged on the first connector, a top frame is arranged on the second connector, a lifting plate is arranged on the hook, abutting plates are arranged on the edges of the extension frame and the top frame, sliding columns are uniformly arranged on the lifting plate, the lifting plate is slidably mounted between the sliding columns and the top frame, a return spring is sleeved on the outer side of the sliding column, the lifting plate is made of iron, and a third electromagnet is arranged on the lower side of the top frame and is opposite to the lifting plate.
As still further aspects of the invention: the lifting mechanism comprises a guide groove arranged on a horizontal support, a pulley is arranged on one side of a sliding plate, facing a first vertical frame, of the sliding plate, the pulley is matched with the guide groove, a lower connecting section is rotatably connected to one end of a sliding plate, facing a second vertical frame, of the sliding plate, the lower connecting section is connected with an upper connecting section in a matched mode, the upper connecting section is connected with the horizontal frame, a vertical sliding rail is arranged on the second vertical frame, the sliding rails are symmetrically arranged, a rack is arranged between the sliding rails, a sliding frame is arranged between the sliding rails in a sliding mode, a gear is arranged between the sliding frames, the gear is meshed with the rack, a lifting motor is arranged on the sliding frame, and the lifting motor is connected with the gear.
As still further aspects of the invention: the lower connecting section is provided with a lower mounting plate, the upper connecting section is provided with an upper mounting plate, the lower mounting plate is uniformly provided with an adjusting column, the adjusting column is inserted with the upper mounting plate, the outer side of the adjusting column is provided with a tensioning spring, the sliding plate is provided with a butt hole, and the horizontal frame is provided with a telescopic cylinder.
As still further aspects of the invention: the horizontal support is provided with the hang down platform towards one side of the vertical frame of second, the guide way extends to arrange to the hang down bench, be provided with vertical adjustment mechanism on the hang down bench, vertical adjustment mechanism is including setting up the mounting bracket of hang down bench both sides, the side slidable mounting crane of mounting bracket, be provided with the joint groove on the crane, the opening in joint groove opens the setting, the side of crane is provided with the cooperation post, the rotating turret is installed to the hang down bench internal rotation, the rotation axle center of rotating turret is connected with rotating electrical machines, be provided with the cooperation groove on the rotating turret, cooperation groove and cooperation post mutually support, the tip of slide is provided with the butt joint frame, the butt joint frame mutually support with the joint groove.
As still further aspects of the invention: the bottom of slide is provided with the laser sight, the top of slope platform is provided with vertical alignment mirror, the inboard of first vertical frame is provided with the horizontal alignment mirror.
Compared with the prior art, the invention has the beneficial effects that:
(1) Connect through the plug rod between first right angle frame and the second right angle frame, be connected first right angle frame and second right angle frame respectively with the both ends of telescopic column simultaneously, the both ends cooperation of telescopic column is provided with first electro-magnet and second electro-magnet, can adsorb fixedly to the both ends of telescopic column respectively when first electro-magnet and second electro-magnet are circular telegram, when the creep property test of horizontal tensile stress is carried out to the self-hardening sand sample to needs, place the sample on the horizontal plane of first right angle frame, the sample can set up to be the B type, carry out the centre gripping through the grip block to the sample and be fixed in respectively on first right angle frame and the second right angle frame, the left end to the second electro-magnet circular telegram, the left end of fixed telescopic column, start telescopic motor, drive the second right angle frame and carry out horizontal migration, carry out horizontal tensile stress's creep property test. The sample can be subjected to compressive stress test in the vertical direction, and one end of the sliding plate is lifted through the lifting mechanism until the sliding plate is in a suspension rotation state. When carrying out compressive stress creep property test this moment, carry out the circular telegram to first electro-magnet, fixed telescopic column is located the one end of second right angle frame, and on the second right angle frame of placing the sample afterwards, through placing the balancing weight on first right angle frame, show sample atress size through the force sensor and the display instrument that set up, carry out compressive stress test to the sample, look over the creep property change condition of self hardening sand sample.
(2) The utility model discloses a test sample, realize second connector and couple and first connector between can dismantling the connection through chute and the cross slot that set up on the first connector, when carrying out horizontal tensile stress test to the test sample, be connected between first connector and the second connector, when need carry out the compressive stress test under the vertical state, need disconnection subassembly, carry out the circular telegram to the third electro-magnet during disconnection, the third electro-magnet adsorbs the lifter plate for couple and cooperation piece spout rise, the in-process first connector that rises moves to the position of second connector under the drive of telescopic motor, make cooperation pole and chute break away from, accomplish the separation operation between first connector and the second connector.
(3) One end of the sliding plate is provided with a pulley, when the lifting mechanism drives the left end of the sliding plate to ascend, the right end of the sliding plate is combined with the pulley to slide with the guide groove, the sliding plate is gradually inclined to a vertical state, and then the compressive stress creep property test of the sample is carried out on the first right-angle frame and the second right-angle frame.
(4) The rotating frame is driven to rotate through the rotating motor, the matching groove arranged on the rotating frame drives the lifting frame to ascend along the mounting frame, after the clamping groove on the lifting frame is in butt joint with the butt joint frame at the end part of the sliding plate, the sliding plate can be kept in a vertical state without shaking, and the stability of the sample in the process of testing the compressive stress in a vertical state is ensured. The vertical and horizontal states of the sliding plate are quickly adjusted through the laser sighting device, the vertical alignment mirror and the horizontal alignment mirror.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the measuring mechanism in the present invention.
Fig. 3 is a schematic structural view of a connection assembly according to the present invention.
Fig. 4 is an enlarged schematic view of the structure of fig. 3 at a.
Fig. 5 is a schematic structural view of a first connector according to the present invention.
FIG. 6 is a schematic view of the mounting structure of the skateboard of the present invention.
Fig. 7 is an enlarged schematic view of the structure at B in fig. 6.
Fig. 8 is an enlarged schematic view of the structure at C in fig. 6.
Fig. 9 is a schematic structural view of a vertical adjustment mechanism in the present invention.
In the figure: 1. a base; 10. a horizontal bracket; 100. a guide groove; 11. a first vertical frame; 110. a telescopic motor; 12. a second vertical frame; 2. a measuring mechanism; 20. a first right angle bracket; 21. a second right angle frame; 22. a slide plate; 220. a butt joint frame; 221. a pulley; 222. a laser sight; 223. a vertical alignment mirror; 224. an abutment hole; 23. a telescopic column; 24. inserting a connecting rod; 25. a first electromagnet; 26. a second electromagnet; 3. a connection assembly; 30. a first connector; 301. a chute; 302. a transverse groove; 31. an extension frame; 32. an abutting plate; 33. a second connector; 330. a chute; 34. a fixing plate; 35. a top frame; 36. a hook; 360. a mating lever; 361. a mating block; 362. a lifting plate; 363. a spool; 364. a return spring; 365. a third electromagnet; 4. a lifting mechanism; 40. a slide rail; 41. a carriage; 42. a gear; 43. a rack; 44. a lifting motor; 45. a horizontal frame; 450. an upper connecting section; 451. an upper mounting plate; 452. a lower mounting plate; 453. a lower connecting section; 454. an adjusting column; 455. tensioning a spring; 5. a vertical adjustment mechanism; 50. an inclined table; 51. a rotating motor; 52. a rotating frame; 53. a mating groove; 54. a mounting frame; 55. a lifting frame; 56. a clamping groove; 57. and (5) matching the columns.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments.
As shown in fig. 1 and fig. 2, a self-hardening sand creep property measuring device comprises a base 1, the both ends of base 1 are provided with first vertical frame 11 and second vertical frame 12 respectively, be provided with horizontal support 10 between first vertical frame 11 and the second vertical frame 12, be provided with measuring mechanism 2 on the horizontal support 10, measuring mechanism 2 includes slide 22, be provided with telescopic column 23 on slide 22, the both ends of telescopic column 23 respectively with first electro-magnet 25 and second electro-magnet 26 cooperation installation, fixed mounting between first electro-magnet 25 and second electro-magnet 26 and slide 22, the both ends of telescopic column 23 respectively with first right angle frame 20 and second right angle frame 21 fixed connection, be provided with plug-in rod 24 between first right angle frame 20 and the second right angle frame 21, first right angle frame 20 is pegged graft through plug-in rod 24 and second right angle frame 21, and the test sample is placed on the horizontal plane of first right angle frame 20, with the both ends of test sample and first right angle frame 20 and second right angle frame 21 respectively with first electro-magnet 25 and second electro-magnet 26 cooperation installation, fixed mounting between first right angle frame 25 and second electro-magnet 26 and slide 22 are provided with vertical pulley assembly 110, the vertical pulley assembly is kept away from to the bottom of the drawing frame 110 is provided with in the drawing assembly 3, and the vertical pulley assembly is kept away from in the drawing frame 110.
Specifically, the first right-angle frame 20 and the second right-angle frame 21 are connected through the insertion connection rod 24, the first right-angle frame 20 and the second right-angle frame 21 are respectively connected with two ends of the telescopic column 23, the two ends of the telescopic column 23 are matched with each other to be provided with the first electromagnet 25 and the second electromagnet 26, when the first electromagnet 25 and the second electromagnet 26 are electrified, the two ends of the telescopic column 23 can be respectively adsorbed and fixed, when the creep property test of horizontal tensile stress is required to be carried out on a self-hardening sand sample, the sample is placed on the horizontal plane of the first right-angle frame 20, the sample can be set to be in a B shape, the sample is clamped through the clamping block, the two ends of the sample are respectively fixed on the first right-angle frame 20 and the second right-angle frame 21, the second electromagnet 26 is electrified, the left end of the telescopic column 23 is fixed, the telescopic motor 110 is started, and the second right-angle frame 21 is driven to carry out horizontal movement, and the creep property test of horizontal tensile stress is carried out.
More specifically, the sample may also be tested for compressive stress in the vertical direction, and one end of the slide 22 may be lifted by the lifting mechanism 4 until the slide 22 is in a suspended rotation. When the compressive stress creep property test is performed at this time, the first electromagnet 25 is electrified, the fixed telescopic column 23 is located at one end of the second right-angle frame 21, then the sample is placed on the second right-angle frame 21, the counterweight is placed on the first right-angle frame 20, the stress of the sample is displayed through the set force sensor and a display instrument (not shown in the figure), the compressive stress test is performed on the sample, and the creep property change condition of the self-hardening sand sample is checked.
Further, as shown in fig. 3, 4 and 5, the connection assembly 3 includes a fixing plate 34 disposed on the second right-angle frame 21, a second connector 33 is connected to the fixing plate 34, a chute 330 is disposed at an end of the second connector 33, a matching block 361 is disposed in the chute 330, a hook 36 is disposed on the matching block 361, a matching rod 360 is disposed on the hook 36, a first connector 30 is disposed on the telescopic motor 110, a chute 301 and a transverse slot 302 are disposed at an end of the first connector 30, the hook 36 is inserted into a middle portion of the first connector 30, and the matching rod 360 on the hook 36 enters the transverse slot 302 along the chute 301 to be connected with the first connector 30.
Further, as shown in fig. 4, the first connector 30 is provided with an extension frame 31, the second connector 33 is provided with a top frame 35, edges of the extension frame 31 and the top frame 35 are provided with abutting plates 32, the hooks 36 are provided with lifting plates 362, sliding columns 363 are uniformly arranged on the lifting plates 362, the lifting plates 362 are slidably mounted between the sliding columns 363 and the top frame 35, return springs 364 are sleeved on the outer sides of the sliding columns 363, the lifting plates 362 are made of iron materials, and a third electromagnet 365 is arranged on the lower side of the top frame 35 and is opposite to the lifting plates 362.
Specifically, the second connector 33 and the hook 36 are detachably connected with the first connector 30 through the chute 301 and the transverse groove 302 arranged on the first connector 30, when the horizontal tensile stress test is performed on the test sample, the first connector 30 is connected with the second connector 33, when the vertical compressive stress test is required, the connecting component 3 is required to be disconnected, the third electromagnet 365 is electrified when the vertical compressive stress test is required to be performed, the third electromagnet 365 adsorbs the lifting plate 362, so that the hook 36 and the matching block 361 chute 330 are lifted, the first connector 30 moves to the position of the second connector 33 under the driving of the telescopic motor 110 in the lifting process, the matching rod 360 is separated from the chute 301, and the separation operation between the first connector 30 and the second connector 33 is completed.
More specifically, in order to facilitate the hook 36 and the matching rod 360 to be matched with the chute 301 again, the lifting plate 362 is provided with a sliding column 363, and when the third electromagnet 365 is powered off, the lifting plate 362 falls down again under the driving of the return spring 364 in combination with the sliding column 363 and the return spring 364, and the matching rod 360 passes through the chute 301 to reach the position of the transverse slot 302.
Further, as shown in fig. 6 and 7, the lifting mechanism 4 includes a guide groove 100 disposed on the horizontal bracket 10, a pulley 221 is disposed on one side of the sliding plate 22 facing the first vertical frame 11, the pulley 221 and the guide groove 100 are mutually matched, a lower connection section 453 is rotatably connected to one end of the sliding plate 22 facing the second vertical frame 12, the lower connection section 453 is cooperatively connected with an upper connection section 450, the upper connection section 450 is connected with the horizontal frame 45, vertical sliding rails 40 are disposed on the second vertical frame 12, the sliding rails 40 are symmetrically disposed, a rack 43 is disposed between the sliding rails 40, a sliding frame 41 is slidably mounted between the sliding rails 40, a gear 42 is disposed between the sliding frames 41, the gear 42 is meshed with the rack 43, a lifting motor 44 is disposed on the sliding frame 41, the lifting motor 44 is connected with the gear 42, and the horizontal frame 45 is fixedly connected with the sliding frame 41.
Specifically, a pulley 221 is disposed at one end of the slide plate 22, and when the lifting mechanism 4 drives the left end of the slide plate 22 to rise, the right end of the slide plate 22 slides with the guide groove 100 in combination with the pulley 221, and gradually tilts to a vertical state, and then a compressive stress creep test of the sample is performed on the first right angle frame 20 and the second right angle frame 21.
Further, as shown in fig. 8, a lower mounting plate 452 is disposed on the lower connection section 453, an upper mounting plate 451 is disposed on the upper connection section 450, an adjusting column 454 is uniformly disposed on the lower mounting plate 452, the adjusting column 454 is inserted between the upper mounting plate 451 and the lower mounting plate 454, a tensioning spring 455 is disposed on the outer side of the adjusting column 454, an abutting hole 224 is disposed on the sliding plate 22, and a telescopic cylinder (not shown in the figure) is disposed on the horizontal frame 45.
Specifically, the end of the sliding plate 22 is installed through the upper connecting section 450, the upper mounting plate 451, the lower connecting section 453, the lower mounting plate 452, the adjusting column 454 and the tensioning spring 455, and the sliding plate 22 can be adjusted to be in a horizontal state by matching with the telescopic cylinder.
Further, as shown in fig. 9, a tilting table 50 is disposed on one side of the horizontal support 10 facing the second vertical frame 12, the guide slot 100 extends to be disposed on the tilting table 50, a vertical adjustment mechanism 5 is disposed on the tilting table 50, the vertical adjustment mechanism 5 includes a mounting frame 54 disposed on two sides of the tilting table 50, a lifting frame 55 is slidably mounted on a side edge of the mounting frame 54, a clamping slot 56 is disposed on the lifting frame 55, an opening of the clamping slot 56 is opened, a mating post 57 is disposed on a side edge of the lifting frame 55, a rotating frame 52 is rotatably mounted on the tilting table 50, a rotating shaft center of the rotating frame 52 is connected with a rotating motor 51, a mating slot 53 is disposed on the rotating frame 52, the mating slot 53 is mutually matched with the mating post 57, a butt-joint frame 220 is disposed on an end portion of the sliding plate 22, and the butt-joint frame 220 is mutually matched with the clamping slot 56.
Specifically, the rotating frame 52 is driven to rotate by the rotating motor 51, the matching groove 53 arranged on the rotating frame 52 drives the lifting frame 55 to ascend along the mounting frame 54, and after the clamping groove 56 on the lifting frame 55 is in butt joint with the butt joint frame 220 at the end part of the sliding plate 22, the sliding plate 22 can be kept in a vertical state without shaking, so that the stability of the sample in the vertical state during the compression stress test is ensured.
Further, as shown in fig. 9, a laser sight 222 is disposed at the bottom of the slide 22, a vertical alignment mirror 223 is disposed above the tilting table 50, and a horizontal alignment mirror (not shown) is disposed at the inner side of the first vertical frame 11.
Specifically, the quick adjustment of the vertical and horizontal states of the slide plate 22 is realized by the laser sight 222, the vertical alignment mirror 223 and the horizontal alignment mirror.
The working principle of the embodiment of the invention is as follows:
as shown in fig. 1-9, the first right-angle frame 20 and the second right-angle frame 21 are connected through the insertion connection rod 24, meanwhile, the first right-angle frame 20 and the second right-angle frame 21 are respectively connected with two ends of the telescopic column 23, the two ends of the telescopic column 23 are matched and provided with the first electromagnet 25 and the second electromagnet 26, when the first electromagnet 25 and the second electromagnet 26 are electrified, the two ends of the telescopic column 23 can be respectively adsorbed and fixed, when a horizontal tensile stress creep test is required to be carried out on a self-hardening sand sample, the sample is placed on the horizontal plane of the first right-angle frame 20, the sample can be set to be in a B shape, the two ends of the sample are respectively fixed on the first right-angle frame 20 and the second right-angle frame 21 through the clamping blocks, the left end of the telescopic column 23 is fixed, and the telescopic motor 110 is started to drive the second right-angle frame 21 to carry out horizontal movement, and horizontal tensile stress creep test is carried out. The sample can also be tested for compressive stress in the vertical direction, and one end of the slide 22 is lifted by the lifting mechanism 4 until the slide 22 is in a hanging rotation. When the compressive stress creep property test is performed at this time, the first electromagnet 25 is electrified, the fixed telescopic column 23 is located at one end of the second right-angle frame 21, then the sample is placed on the second right-angle frame 21, the counterweight is placed on the first right-angle frame 20, the stress of the sample is displayed through the set force sensor and a display instrument (not shown in the figure), the compressive stress test is performed on the sample, and the creep property change condition of the self-hardening sand sample is checked. The second connector and the hook 36 are detachably connected with the first connector 30 through the chute 301 and the transverse groove 302 which are arranged on the first connector 30, when a horizontal tensile stress test is carried out on a test sample, the first connector 30 is connected with the second connector 33, when a vertical compressive stress test is required, the connecting component 3 is required to be disconnected, the third electromagnet 365 is electrified when the vertical compressive stress test is disconnected, the third electromagnet 365 adsorbs the lifting plate 362, the hook 36 and the matching block 361 slide groove 330 are lifted, the first connector 30 moves to the position of the second connector 33 under the driving of the telescopic motor 110 in the lifting process, the matching rod 360 is separated from the chute 301, and the separation operation between the first connector 30 and the second connector 33 is completed. In order to facilitate the hook 36 and the matching rod 360 to be matched with the chute 301 again, the lifting plate 362 is provided with a sliding column 363, and when the third electromagnet 365 is powered off, the lifting plate 362 falls down again under the driving of the return spring 364, and the matching rod 360 passes through the chute 301 to reach the position of the transverse slot 302 in combination with the sliding column 363 and the return spring 364. One end of the slide plate 22 is provided with a pulley 221, and when the lifting mechanism 4 drives the left end of the slide plate 22 to ascend, the right end of the slide plate 22 slides with the guide groove 100 in combination with the pulley 221 to incline gradually to a vertical state, and then the compressive stress creep property test of the sample is performed on the first right angle frame 20 and the second right angle frame 21. The rotating frame 52 is driven to rotate by the rotating motor 51, the matching groove 53 arranged on the rotating frame 52 drives the lifting frame 55 to ascend along the mounting frame 54, and after the clamping groove 56 on the lifting frame 55 is in butt joint with the butt joint frame 220 at the end part of the sliding plate 22, the sliding plate 22 can be kept in a vertical state without shaking, so that the stability of the sample in the vertical state during the compression stress test is ensured. The vertical and horizontal states of the slide plate 22 are quickly adjusted by the laser sight 222, the vertical alignment mirror 223 and the horizontal alignment mirror.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a self-hardening sand creep property measuring equipment, includes base (1), the both ends of base (1) are provided with first vertical frame (11) and second vertical frame (12) respectively, be provided with horizontal support (10) between first vertical frame (11) and second vertical frame (12), a serial communication port, be provided with measuring mechanism (2) on horizontal support (10), measuring mechanism (2) include slide (22), be provided with telescopic column (23) on slide (22), the both ends of telescopic column (23) respectively with first electro-magnet (25) and second electro-magnet (26) cooperation installation, fixed mounting between first electro-magnet (25) and second electro-magnet (26) and slide (22), the both ends of telescopic column (23) are respectively with first right angle frame (20) and second right angle frame (21) fixed connection, be provided with plug-in rod (24) between first right angle frame (20) and second right angle frame (21), first right angle frame (20) are provided with sample connection point and second right angle frame (21) with sample position between the sample in order to test right angle frame (20), the telescopic motor (110) is horizontally arranged on the first vertical frame (11), a connecting component (3) is arranged between the second right-angle frame (21) and the telescopic motor (110), a pulley (221) is arranged at the bottom of one end, facing the connecting component (3), of the sliding plate (22), and a lifting mechanism (4) is arranged at one end, far away from the pulley (221), of the sliding plate (22);
the connecting assembly (3) comprises a fixed plate (34) arranged on a second right-angle frame (21), a second connector (33) is connected to the fixed plate (34), a sliding groove (330) is formed in the end portion of the second connector (33), a matching block (361) is arranged in the sliding groove (330), a hook (36) is arranged on the matching block (361), a matching rod (360) is arranged on the hook (36), a first connector (30) is arranged on the telescopic motor (110), a chute (301) and a transverse groove (302) are formed in the end portion of the first connector (30), the hook (36) is inserted into the middle portion of the first connector (30), and the matching rod (360) on the hook (36) enters the transverse groove (302) along the chute (301) to be connected with the first connector (30).
2. The self-hardening sand creep property measuring device according to claim 1, wherein an extension frame (31) is arranged on the first connector (30), a top frame (35) is arranged on the second connector (33), an abutting plate (32) is arranged on the edge of the extension frame (31) and the edge of the top frame (35), a lifting plate (362) is arranged on the hook (36), sliding columns (363) are uniformly arranged on the lifting plate (362), the lifting plate (362) is slidably mounted between the sliding columns (363) and the top frame (35), a return spring (364) is sleeved on the outer side of the sliding columns (363), the lifting plate (362) is made of iron, a third electromagnet (365) is arranged on the lower side of the top frame (35), and the third electromagnet (365) is opposite to the lifting plate (362).
3. The self-hardening sand creep property measuring device according to claim 1, characterized in that the lifting mechanism (4) comprises a guide groove (100) arranged on the horizontal support (10), a pulley (221) is arranged on one side of the sliding plate (22) facing the first vertical frame (11), the pulley (221) is matched with the guide groove (100), a lower connecting section (453) is rotatably connected with one end of the sliding plate (22) facing the second vertical frame (12), the lower connecting section (453) is connected with an upper connecting section (450) in a matched manner, the upper connecting section (450) is connected with the horizontal frame (45), a vertical sliding rail (40) is arranged on the second vertical frame (12), sliding racks (43) are arranged between the sliding rails (40), sliding frames (41) are arranged between the sliding rails (40), gears (42) are meshed with the sliding racks (43), lifting motors (41) are arranged on the sliding frames (41), and the gears (44) are connected with the lifting motors (44) in a fixed mode.
4. A self-hardening sand creep property measuring device according to claim 3, characterized in that the lower connecting section (453) is provided with a lower mounting plate (452), the upper connecting section (450) is provided with an upper mounting plate (451), the lower mounting plate (452) is provided with an adjusting column (454) uniformly, the adjusting column (454) is inserted with the upper mounting plate (451), the outer side of the adjusting column (454) is provided with a tensioning spring (455), the sliding plate (22) is provided with an abutting hole (224), and the horizontal frame (45) is provided with a telescopic cylinder.
5. A self-hardening sand creep property measuring device according to claim 3, characterized in that the horizontal support (10) is provided with tilting table (50) towards one side of the second vertical frame (12), guide slot (100) extends and arranges to tilting table (50), be provided with vertical adjustment mechanism (5) on tilting table (50), vertical adjustment mechanism (5) are including setting up mounting bracket (54) in tilting table (50) both sides, the side slidable mounting crane (55) of mounting bracket (54), be provided with joint groove (56) on crane (55), the opening of joint groove (56) opens the setting, the side of crane (55) is provided with cooperation post (57), tilting table (50) rotating mounting has rotating turret (52), the rotation axle center of rotating turret (52) is connected with rotating motor (51), be provided with cooperation groove (53) on rotating turret (52), cooperation groove (53) and cooperation post (57) cooperate, tip (22) are provided with butt joint groove (220) and butt joint groove (220).
6. The self-hardening sand creep property measuring device according to claim 5, wherein a laser sight (222) is arranged at the bottom of the sliding plate (22), a vertical alignment mirror (223) is arranged above the inclined table (50), and a horizontal alignment mirror is arranged on the inner side of the first vertical frame (11).
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| CN116296764A (en) | 2023-06-23 |
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