CN115200955A - Test piece forming device for extrusion type flexible concrete compressive strength test - Google Patents
Test piece forming device for extrusion type flexible concrete compressive strength test Download PDFInfo
- Publication number
- CN115200955A CN115200955A CN202210773350.6A CN202210773350A CN115200955A CN 115200955 A CN115200955 A CN 115200955A CN 202210773350 A CN202210773350 A CN 202210773350A CN 115200955 A CN115200955 A CN 115200955A
- Authority
- CN
- China
- Prior art keywords
- disc
- test
- side wall
- arc
- extrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 119
- 238000001125 extrusion Methods 0.000 title claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 description 12
- 230000009471 action Effects 0.000 description 9
- 230000003068 static effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0298—Manufacturing or preparing specimens
Abstract
The invention discloses a test piece forming device for an extrusion type flexible concrete compressive strength test, which comprises a support plate, a test die and a driving limiting device, wherein the test die is positioned above the support plate, the driving limiting device is used for connecting the support plate and the test die, the test die is arranged in parallel with the support plate and is of a cylindrical structure, the driving limiting device comprises a first disc, a second disc, an extrusion mechanism penetrating through the first disc and a driving mechanism positioned below the first disc and the second disc, the first disc and the second disc are respectively arranged at two ends of the test die, the extrusion mechanism comprises a transmission rod and a pressing plate arranged at one end of the transmission rod, and one end of the transmission rod, provided with the pressing plate, extends into the test die to extrude concrete.
Description
Technical Field
The invention relates to the technical field of concrete cube compressive strength test piece forming, in particular to a test piece forming device for an extrusion type flexible concrete compressive strength test.
Background
The extrusion type flexible concrete is low in strength, belongs to dry and hard concrete, test pieces cannot be formed in a vibration chamber mode, a static pressure forming method is adopted for forming according to material characteristics and construction characteristics in a test method, dry density and water content are measured in situ during forming, the mass of a mixture required by each test piece is obtained according to the volume calculation of a test mold, the mixture is weighed, the weighed mixture is poured into the test mold, then static pressure forming is carried out by adopting a pressing device such as a press machine, the volume is larger than the volume of the test mold due to the fact that the concrete is loose, the forming time of the test piece is long, the quality is poor, the stress state of the formed test piece cannot be consistent with the field construction state, and a new compression strength test piece forming device is developed to solve the problems.
Chinese patent with patent number CN201613589U discloses a test piece forming device for extrusion formula flexible concrete compressive strength test, including trying the mould, there is the cover mould examination mould cover on trying the mould top, and the interior cross sectional dimension of cover mould is unanimous with the interior cross sectional dimension of trying the mould, and the clamp plate is placed in the cover mould, and the size of clamp plate lower surface is unanimous with the interior cross sectional dimension of cover mould, and the biography stand has been placed to the clamp plate top.
The examination mould in the above-mentioned patent is vertical placing, for accomplishing concrete compressive strength test, needs the staff to lift the concrete to the eminence and leads to trying the mould in, and intensity of labour is big, and it is great to carry out the required test piece forming device physique of compressive strength test to the concrete of great specification, can't place at the indoor corresponding test of completion, in order to solve above-mentioned problem, this inventor has designed this scheme.
Disclosure of Invention
The invention aims to provide a test piece forming device for an extrusion type flexible concrete compressive strength test, and aims to solve the problems that an existing concrete test piece forming device is vertically arranged, a large-size test mold is inconvenient to place indoors to complete a test, and workers are tired in filling concrete.
The invention is realized by the following steps:
the utility model provides an extrusion formula flexible concrete compressive strength test uses test piece forming device, which comprises a supporting plate, be located the examination mould of backup pad top and be used for joint support board and examination mould drive limiting device, examination mould parallel support board is placed and is the tubular structure, drive limiting device includes first disc, the second disc, run through the extrusion mechanism of first disc and be located the actuating mechanism of first disc and second disc below, first disc and second disc are placed respectively at the both ends of examining the mould, extrusion mechanism includes the transfer line and installs the clamp plate in transfer line one end, the one end that the transfer line has the clamp plate stretches into examination mould interior extrusion concrete, actuating mechanism includes the motor, the bracing piece and the cover that one end and motor output shaft are connected establish the drive device on the bracing piece, the both ends of bracing piece are passed through the bearing and are connected with the backup pad, and drive device drive examination mould rotates.
Adopt above-mentioned technical scheme, the setting of backup pad is convenient for provide the support for the installation of examination mould and drive limiting device, the setting of open structure is convenient for facilitate for examination mould rotation, the setting of examination mould is convenient for cooperate with the clamp plate and provide the space for the storage of concrete, facilitate for carrying out concrete compressive strength test, drive limiting device's setting is convenient for make examination mould steady mounting in the backup pad through its work, and be convenient for carry out compressive test for the examination mould of changing corresponding specification according to the concrete to different specifications, drive examination mould rotation under drive limiting device's effect simultaneously, make concrete evenly distributed, and exert pressure to the concrete, accomplish the test to concrete compressive strength, the setting of first disc and second disc is convenient for support the both ends of pressing the examination mould, so that the rotation through first disc and second disc drives the examination mould rotation, and keep away from each other when changing the examination mould, facilitate for changing the examination mould, the setting of extrusion mechanism is convenient for applying pressure to the concrete in the examination mould through its work, facilitate for concrete compressive strength test, the setting of actuating mechanism is convenient for realizing through the rotation of its work.
Furthermore, the end face of the transmission rod is fixedly connected with a chuck, a clamping groove is formed in the side wall of the pressing plate along the radius direction of the pressing plate, and the chuck is installed in the clamping groove.
By adopting the technical scheme, the chuck and the clamping groove are convenient to cooperate to provide convenience for the pressing plate to be quickly assembled and disassembled from the transmission rod, and the limiting sliding groove and the convex column are convenient to cooperate to limit the movement of the pressing plate.
Further, the driving device comprises a first driving assembly, the first driving assembly comprises a sleeve and two extrusion discs which are respectively located at two ends of the sleeve, a plurality of limiting screw rods are fixedly connected to two end faces of the sleeve, the limiting screw rods penetrate through the extrusion discs and are connected with nuts, the sleeve is sleeved on the supporting rod, a limiting bolt is arranged on a thread of a side wall of the sleeve, a side wall of the supporting rod is pressed at the inner end of the limiting bolt, the lower ends of the first disc and the second disc are respectively supported on the two sleeves, and a side wall, close to each other, of each of the two extrusion discs is embedded with a side wall provided with a plurality of balls and the balls extrude the first disc or the second disc.
By adopting the technical scheme, the sleeve is convenient to stably install on a certain supporting rod under the action of the limiting bolt, the sleeve and the supporting rod are enabled to keep synchronous rotation, the arrangement of the extrusion disc is convenient to limit the positions of the first disc and the second disc relative to the sleeve, the lower ends of the first disc and the second disc are stably supported on the sleeve, and the first disc and the second disc are driven to drive the test mold to rotate under the rotation of the sleeve.
Further, the drive device includes second drive assembly, and second drive assembly includes torsion spring and two drive utensils that are located the torsion spring both ends respectively, and the drive utensil includes even board, installs the annular tube of even board lower extreme and the drive roller of being connected through main shaft and even board, and the main shaft stretches out the one end fixedly connected with belt pulley of even board, and the annular tube housing is established at the bracing piece, and the belt pulley passes through the belt to be connected with the bracing piece, and drive roller and the contact of examination mould lateral wall.
Adopt above-mentioned technical scheme, torsion spring's setting is convenient for force two even boards to have the trend that is close to each other all the time through its work to make the lateral wall of drive roller laminating examination mould place, rotate through the bracing piece and drive the drive roller and rotate, realize the rotation of examination mould.
Further, a plurality of buckle chutes are formed in the side wall, close to the second disc, of the first disc, the buckle chutes are arranged along the radius direction of the first disc, a tubular motor with threads in the middle of the outer side wall is arranged in the buckle chutes, a plurality of arc-shaped pressing plates are arranged on the side edge of the first disc, buckle sliding plates fixedly connected with the side edges of the arc-shaped pressing plates are installed in the buckle chutes, threads of the tubular motor penetrate through the buckle sliding plates, the test molds are located among the arc-shaped pressing plates, and clamping plates of the side walls of the arc-shaped pressing plates are inserted into clamping grooves of the side walls of the test molds.
Adopt above-mentioned technical scheme, the setting of arc clamp plate is convenient for go up and down under the work of tubulose motor, be close to each other and support the lateral wall of pressing the examination mould for a plurality of arc clamp plates, make examination mould and first disc keep static relatively, the installation of simultaneously for different specifications examination moulds provides the support, buckle spout and buckle slide set up be convenient for cooperation work make the stable and swing joint of the relative first disc of arc clamp plate, the cooperation work of being convenient for of setting up of cardboard and draw-in groove makes examination mould and arc clamp plate stable connection face, the setting of circular port is convenient for provide the passageway for passing of transfer line.
Furthermore, a circular hole is formed in the side wall of the first disc, a convex column is fixedly connected to the inner side wall of the circular hole, the transmission rod penetrates through the circular hole, and the convex column extends into a limiting sliding groove in the side wall of the transmission rod.
Further, the examination mould lateral wall is provided with the inlet pipe, inlet pipe position department is provided with sealed post, install at the connecting rod of sealed post top and install the screw thread post in the connecting rod upper end, and screw thread post screw thread is installed in the inside upper end of inlet pipe, and sealed post is located the inside lower extreme of inlet pipe, and the sealed post downside sets up to the arc structure, and the polygon recess that is used for the installation of second disc lateral wall polygon post is offered perpendicularly to examination mould terminal surface middle part.
Adopt above-mentioned technical scheme, the setting of inlet pipe is convenient for provide the passageway for the concrete filling in the space that examination mould and clamp plate are constituteed, the setting of sealing post is convenient for block up the inlet pipe behind the injected concrete, and the arc structure of sealing post constitutes complete lateral wall with the examination mould inner wall, for concrete compressive strength test facilitates, the setting of screw thread post is convenient for the threaded mounting in the inlet pipe, for sealing post stable mounting facilitate in the inlet pipe, polygonal groove's setting is convenient for provide the space for the installation of polygon post, and then make examination mould and second disc keep static relatively, so that rotate for the examination mould under the cooperation of second disc and first disc and provide the support, facilitate for making the concrete evenly distributed in the examination mould.
Further, drive limiting device still includes the limiting mechanism that two symmetries were placed, limiting mechanism includes the pivot, be located the riser at pivot top both ends and install the arc at the riser side and support the board, pivot lateral wall both ends symmetry is provided with two helicitic texture, riser below fixedly connected with threaded sleeve establishes the epaxial slip cardboard that rotates, two arcs support the board and install respectively in the first ring channel of first disc and second disc, the second ring channel, and the lateral wall that the arc supported the board is inlayed and is had a plurality of balls.
Adopt above-mentioned technical scheme, the setting of restriction mechanism is convenient for through the position of its work restriction first disc and second disc, for trying mould steady operation and providing the support, the installation that the arc of being convenient for of setting up of first ring channel and second ring channel supports the board provides the space, and do not influence the rotation of first disc and second disc, support board and first ring channel in the arc simultaneously, make first disc and second disc stably place under the cooperation of second ring channel, the relative movement of two risers is convenient for adjust according to the length of trying the mould in the setting of pivot, extrude the examination mould for the relative position that changes first disc and second disc and make it stably place.
Further, the side sets up to the open structure that runs through from top to bottom on the backup pad, and both edges all are provided with the roller in the open structure, and the roller holds in the palm puts the examination mould, and backup pad below both ends all are provided with the riser, and the riser is passed at the bracing piece both ends, and sliding clamping groove has all been seted up to the side both edges in the backup pad, and sliding clamping plate's lower extreme and pivot are installed in sliding clamping groove.
Adopt above-mentioned technical scheme, the setting of cylinder is convenient for hold in the palm and is put the examination mould, for trying the mould and rotate under the effect of external force and provide the support, and the setting of sliding clamping groove is convenient for provide the space for the installation of sliding clamping plate lower extreme and pivot, and provides the space for the removal of sliding clamping plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the arrangement of the test mould is convenient for matching with the pressing plate to provide space for storing concrete, so that convenience is provided for testing the compressive strength of the concrete, the vertical placing mode of the test mould is changed, the concrete compressive test is prevented from being finished indoors when the test mould is placed in a large specification, and the labor intensity of workers for filling the concrete is reduced;
2. the driving limiting device is arranged to ensure that the test mould is stably arranged on the supporting plate through the work of the driving limiting device, convenience is brought to the replacement of the test mould with the corresponding specification according to the compression resistance test of the concrete with different specifications, and the test mould is driven to rotate under the action of the driving limiting device to ensure that the concrete is uniformly distributed and apply pressure to the concrete so as to finish the test on the compression strength of the concrete;
3. the arrangement of the extrusion mechanism is convenient for applying pressure to the concrete in the test mould through the work of the extrusion mechanism, and convenience is provided for testing the compressive strength of the concrete;
4. the driving mechanism is arranged, so that the rotation of the test mold can be realized through the work of the driving mechanism, and the concrete is uniformly distributed in the test mold.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the support plate structure of the present invention;
FIG. 3 is a schematic diagram of a test mold structure of the present invention;
FIG. 4 is a schematic view of the drive limiting mechanism of the present invention;
FIG. 5 is a schematic view of a first disk configuration of the present invention;
FIG. 6 is a schematic view of a second disk configuration of the present invention;
FIG. 7 is a schematic view of the pressing mechanism of the present invention;
FIG. 8 is a schematic view of the limiting mechanism of the present invention;
FIG. 9 is a schematic view of the drive mechanism of the present invention;
FIG. 10 is a schematic view of a first drive assembly of the present invention;
FIG. 11 is a schematic view of a second drive assembly of the present invention;
in the figure: 1. a support plate; 11. an open structure; 12. a sliding clamping groove; 13. a roller; 14. a vertical plate; 2. testing a mold; 21. a polygonal groove; 22. a feed pipe; 23. sealing the column; 24. a threaded post; 25. a connecting rod; 3. a drive restriction device; 4. an extrusion mechanism; 41. a transmission rod; 411. a chuck; 43. pressing a plate; 431. a fastening groove; 5. a first disc; 51. a first annular groove; 52. a buckle chute; 53. a tubular motor; 54. an arc-shaped pressing plate; 6. a second disc; 61. a polygonal column; 62. a second annular groove; 7. a limiting mechanism; 71. a rotating shaft; 72. a thread structure; 73. a vertical plate; 74. a sliding clamping plate; 75. an arc-shaped abutting plate; 8. a drive mechanism; 81. a support bar; 82. a motor; 83. a first drive assembly; 831. an extrusion disc; 832. a sleeve; 833. a restraining screw; 84. a second drive assembly; 841. an annular tube; 842. a torsion spring; 843. connecting plates; 844. a drive roller; 845. a pulley.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Example 1: referring to FIG. 2: the utility model provides a test piece forming device for extrusion formula flexible concrete compressive strength test, includes backup pad 1, 1 side sets up to the open structure 11 that runs through from top to bottom on the backup pad, and both sides all are provided with roller 13 in the open structure 11, and 1 below both ends of backup pad all are provided with riser 14, and sliding clamping groove 12 has all been seted up at 1 side both sides in backup pad.
Referring to fig. 1 and 3: 1 top in backup pad is provided with examination mould 2, examination mould 2 is the tubular structure, examination mould 2 parallel support board 1 places, roller 13 holds in the palm puts examination mould 2, 2 lateral walls in examination mould are provided with inlet pipe 22, inlet pipe 22 position department is provided with sealed post 23, install at the connecting rod 25 of sealed post 23 top and install the screw thread post 24 in connecting rod 25 upper end, 24 threaded mounting of screw thread post are in the inside upper end of inlet pipe 22, sealed post 23 is located the inside lower extreme of inlet pipe 22, and 23 downside of sealed post sets up to the arc structure, polygon recess 21 has been seted up perpendicularly in 2 terminal surface middle parts in examination mould.
Referring to fig. 1 and 4: a driving limiting device 3 is arranged between the supporting plate 1 and the test mould 2, the driving limiting device 3 comprises a first disk 5, a second disk 6, an extrusion mechanism 4 penetrating through the first disk 5, a driving mechanism 8 positioned below the first disk 5 and the second disk 6 and two symmetrically-arranged limiting mechanisms 7,
referring to FIG. 5: first disc 5 has been seted up circular port and a plurality of buckle spout 52 near the lateral wall of second disc 6, first ring channel 51 has been seted up to the arc lateral wall of first disc 5, circular port inside wall fixedly connected with projection, buckle spout 52 sets up along the direction of radius of first disc 5, be provided with lateral wall middle part utensil screwed tubulose motor 53 in the buckle spout 52, the side of first disc 5 is provided with a plurality of arc clamp plates 54, arc clamp plate 54 side fixed connection's buckle slide is installed in buckle spout 52, and tubulose motor 53 screw thread passes the buckle slide, the one end of 2 open structure of examination mould is located between a plurality of arc clamp plates 54, and the cardboard of arc clamp plate 54 lateral wall inserts in the draw-in groove of 2 lateral walls of examination mould.
Referring to FIG. 6: the side wall of the second disk 6 close to the first disk 5 is fixedly connected with a polygonal column 61, the polygonal column 61 is inserted into the polygonal groove 21, and the arc-shaped side wall of the second disk 6 is provided with a second annular groove 62.
Referring to FIG. 7: the extrusion mechanism 4 comprises a transmission rod 41 and a pressing plate 43 installed at one end of the transmission rod 41, a chuck 411 is fixedly connected to the end face of the transmission rod 41, a clamping groove 431 is formed in the side wall of the pressing plate 43 along the radius direction of the side wall, the chuck 411 is installed in the clamping groove 431, the transmission rod 41 penetrates through a circular hole, a convex column extends into a limiting sliding groove in the side wall of the transmission rod 41, the pressing plate 43 is located in the test die 2, and the other end of the transmission rod 41 is connected with the press machine.
Referring to FIG. 8: limiting mechanism 7 includes pivot 71, be located the riser 73 at pivot 71 top both ends and install the arc at riser 73 side and support board 75, pivot 71 lateral wall both ends symmetry is provided with two helicitic texture 72, the slip cardboard 74 on pivot 71 is established to fixedly connected with screw thread cover below riser 73, two arc support boards 75 are installed respectively in first ring channel 51, second ring channel 62, and the lateral wall of arc support board 75 inlays and has a plurality of balls, the lower extreme and the pivot 71 of slip cardboard 74 are installed in slip draw-in groove 12.
Referring to fig. 9 and 10: actuating mechanism 8 includes motor 82, bracing piece 81 that one end and motor 82 output shaft are connected with the cover establishes the drive device on bracing piece 81, the both ends of bracing piece 81 are passed through the bearing and are connected with riser 14, drive device includes first drive assembly 83, first drive assembly 83 includes sleeve 832 and two extrusion discs 831 that are located sleeve 832 both ends respectively, the equal fixedly connected with of both ends face of sleeve 832 is a plurality of limiting screw 833, limiting screw 833 passes extrusion disc 831 and is connected with the nut, sleeve 832 overlaps and establishes on bracing piece 81, and the lateral wall screw thread of sleeve 832 is provided with spacing bolt, the bracing piece 81 lateral wall is supported and pressed to spacing bolt inner, first disc 5 and second disc 6 lower extreme are held in the palm respectively on two sleeve 832, and the lateral wall that two extrusion discs 831 are close to each other all is provided with to inlay a plurality of balls and the lateral wall that the ball extruded first disc 5 or second disc 6.
The setting of backup pad 1 is convenient for provide the support for the installation of examination mould 2 and drive limiting device 3, and open structure 11's setting is convenient for rotate for examination mould 2 and facilitates, and the setting of roller 13 is convenient for hold in the palm and is put examination mould 2, for examination mould 2 rotates under the effect of external force and provides the support, and the setting of sliding clamping groove 12 is convenient for provide the space for the installation of sliding clamping plate 74 lower extreme and pivot 71, and provides the space for the removal of sliding clamping plate 74.
The setting of examination mould 2 is convenient for cooperate the storage for the concrete with clamp plate 43 and provides the space, for carrying out the concrete compressive strength test and facilitate, the setting of inlet pipe 22 is convenient for provide the passageway for the concrete filling in the space that examination mould 2 and clamp plate 43 constitute, the setting of sealing post 23 is convenient for block up inlet pipe 22 after the filling concrete, and the arc structure of sealing post 23 forms complete lateral wall with examination mould 2 inner wall, facilitate for the concrete compressive strength test, the setting of screw thread post 24 is convenient for the threaded mounting in inlet pipe 22, facilitate for sealing post 23 stable installation in inlet pipe 22, the setting of polygon recess 21 is convenient for provide the space for the installation of polygon post 61, and then make examination mould 2 and second disc 6 keep static relatively, so that provide the support for examination mould 2 rotation under the cooperation of second disc 6 and first disc 5, facilitate for making the concrete evenly distributed in the examination mould 2.
Drive limiting device 3's setting is convenient for make examination mould 2 steady mounting in backup pad 1 through its work, and be convenient for carry out the resistance to compression test according to the concrete to different specifications and facilitate for the examination mould 2 of changing corresponding specification, drive examination mould 2 rotation under drive limiting device 3's effect simultaneously, make concrete evenly distributed, and exert pressure to the concrete, accomplish the test to concrete compressive strength, the setting of first disc 5 and second disc 6 is convenient for support the both ends of pressing examination mould 2, so that drive examination mould 2 through the rotation of first disc 5 and second disc 6 and rotate, and keep away from each other when changing examination mould 2, facilitate for changing examination mould 2, the setting of extrusion mechanism 4 is convenient for exert pressure through its work to the concrete in examination mould 2, facilitate for concrete compressive strength test, the setting of actuating mechanism 8 is convenient for realize the rotation of examination mould 2 through its work, the setting of limiting mechanism 7 is convenient for restrict the position of first disc 5 and second disc 6 through its work, provide the support for the steady operation of examination mould 2.
The arc-shaped pressing plates 54 are arranged to be convenient to lift under the operation of the tubular motor 53, the arc-shaped pressing plates 54 are close to each other and abut against the side walls of the test molds 2, so that the test molds 2 and the first disc 5 are kept relatively static, meanwhile, supports are provided for the installation of the test molds 2 of different specifications, the buckle sliding grooves 52 and the buckle sliding plates are arranged to be convenient for the cooperation work to enable the arc-shaped pressing plates 54 to be stable and movably connected relative to the first disc 5, the clamping plates and the clamping grooves are arranged to be convenient for the cooperation work to enable the test molds 2 and the arc-shaped pressing plates 54 to be stably connected, and the circular holes are arranged to provide a passage for the transmission rod 41 to pass through.
The arrangement of the first annular groove 51 and the second annular groove 62 facilitates the installation of the arc-shaped abutting plate 75 to provide a space, the rotation of the first disk 5 and the second disk 6 is not affected, and meanwhile, the first disk 5 and the second disk 6 are stably placed under the matching of the arc-shaped abutting plate 75, the first annular groove 51 and the second annular groove 62.
The setting of press is convenient for remove through its work control transfer line 41, and then drives the clamp plate 43 and remove in examination mould 2 and exert pressure to the concrete, and the cooperation work of being convenient for of chuck 411 and buckle groove 431 facilitates for clamp plate 43 from transfer line 41 quick assembly disassembly, and the setting of restriction spout and post is convenient for cooperation work and restricts its removal.
The arrangement of the rotating shaft 71 is convenient for adjusting the relative movement of the two vertical plates 73 according to the length of the test mold 2, the test mold 2 is extruded to be stably placed in order to change the relative position of the first disk 5 and the second disk 6, the arrangement of the arc-shaped abutting plate 75 is convenient for being matched with the first annular groove 51 and the second annular groove 62 to limit the positions of the first disk 5 and the second disk 6, the arrangement of the balls is convenient for reducing the friction force of the arc-shaped abutting plate 75 relative to the first disk 5 and the second disk 6, and convenience is provided for the rotation of the first disk 5 and the second disk 6.
The motor 82 is arranged to drive the supporting rod 81 to rotate through the operation of the motor, so as to force the driving device to control the test mold 2 to rotate.
The sleeve 832 is arranged to be stably mounted on a certain supporting rod 81 under the action of a limiting bolt, the sleeve 832 and the supporting rod 81 are kept to synchronously rotate, and the extruding disc 831 is arranged to limit the positions of the first disc 5 and the second disc 6 relative to the sleeve 832, so that the lower ends of the first disc 5 and the second disc 6 are stably supported on the sleeve 832, and the first disc 5 and the second disc 6 are driven to drive the test mold 2 to rotate under the rotation of the sleeve 832.
When the device is used, firstly, the corresponding test die 2 and the pressing plate 43 are selected according to the concrete compressive strength test requirement, the pressing plate 43 is installed on the transmission rod 41, the test die 2 is arranged between the first disc 5 and the second disc 6, the first disc 5 and the second disc 6 are abutted against two ends of the test die 2 under the action of the rotating shaft 71, the pressing plate 43 is located in the test die 2, then, concrete is injected into the test die 2 through the feeding pipe 22, the test die 2 rotates under the action of the driving device during injection, the concrete is uniformly distributed, and after the injection, the pressing plate 43 is moved under the action of the press machine to apply pressure to the concrete, so that the concrete compressive strength test is completed.
Example 2: referring to FIG. 11: the device provided by the embodiment of the present invention has the same implementation principle and technical effect as those of the embodiment 1, and for the sake of brief description, reference may be made to the corresponding contents in the embodiment 1 without reference to the embodiment.
The driving device comprises a second driving assembly 84, the second driving assembly 84 comprises a torsion spring 842 and two driving devices respectively arranged at two ends of the torsion spring 842, each driving device comprises a connecting plate 843, a ring-shaped tube 841 installed at the lower end of the connecting plate 843 and a driving roller 844 connected with the connecting plate 843 through a main shaft, the main shaft extends out of one end fixedly connected with a belt pulley 845 of the connecting plate 843, the ring-shaped tube 841 is sleeved on the supporting rod 81, the belt pulley 845 is connected with the supporting rod 81 through a belt, and the driving roller 844 is in contact with the side wall of the test mold 2
The arrangement of the torsion spring 842 is convenient for forcing the two connecting plates 843 to always have a trend of being close to each other through the work of the torsion spring 842, so that the driving roller 844 is placed on the side wall of the test mold 2 in a fitting manner, the driving roller 844 is driven to rotate through the rotation of the supporting rod 81, and the rotation of the test mold 2 is realized.
When the device is used, firstly, the corresponding test die 2 and the pressing plate 43 are selected according to the concrete compressive strength test requirement, the pressing plate 43 is installed on the transmission rod 41, the test die 2 is arranged between the first disc 5 and the second disc 6, the first disc 5 and the second disc 6 are abutted against two ends of the test die 2 under the action of the rotating shaft 71, the pressing plate 43 is located in the test die 2, then, concrete is injected into the test die 2 through the feeding pipe 22, the test die 2 rotates under the action of the driving device during injection, the concrete is uniformly distributed, and after the injection, the pressing plate 43 is moved under the action of the press machine to apply pressure to the concrete, so that the concrete compressive strength test is completed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an extrusion formula flexible concrete compressive strength test uses test piece forming device which characterized in that: including backup pad (1), be located examination mould (2) of backup pad (1) top and drive limiting device (3) that are used for joint support board (1) and examination mould (2), examination mould (2) parallel support board (1) is placed and is the tubular structure, drive limiting device (3) include first disc (5), second disc (6), run through extrusion mechanism (4) of first disc (5) and be located actuating mechanism (8) of first disc (5) and second disc (6) below, place respectively at the both ends of examination mould (2) first disc (5) and second disc (6), extrusion mechanism (4) are including transfer line (41) and install clamp plate (43) in transfer line (41) one end, transfer line (41) have one end of clamp plate (43) stretch into and extrude the concrete in examination mould (2), actuating mechanism (8) include motor (82), the one end and motor (82) output shaft's bracing piece (81) and the device cover establish the drive device on bracing piece (81), the backup pad (81) of bracing piece (81) and the drive device cover are established through bearing (1) and drive device (2), two ends of bracing piece (81) are connected and drive device (2) are just rotated.
2. The test piece forming device for the compression strength test of the extrusion-type flexible concrete according to claim 1, wherein a chuck (411) is fixedly connected to the end face of the transmission rod (41), a clamping groove (431) is formed in the side wall of the pressing plate (43) in the radius direction of the pressing plate, and the chuck (411) is installed in the clamping groove (431).
3. The test piece forming device for the compression-type flexible concrete compression strength test of claim 1, characterized in that the driving device comprises a first driving assembly (83), the first driving assembly (83) comprises a sleeve (832) and two extrusion discs (831) which are respectively located at two ends of the sleeve (832), a plurality of limiting screws (833) are fixedly connected to two end faces of the sleeve (832), the limiting screws (833) penetrate through the extrusion discs (831) to be connected with nuts, the sleeve (832) is sleeved on the supporting rod (81), a limit bolt is arranged on a side wall thread of the sleeve (832), the inner end of the limit bolt abuts against a side wall of the supporting rod (81), the lower ends of the first disc (5) and the second disc (6) are respectively supported on the two sleeve (832), and the side walls of the extrusion discs (831) which are close to each other are inlaid with a plurality of balls, and the balls extrude the side walls of the first disc (5) or the second disc (6).
4. The extrusion-type test piece forming device for the compression strength test of the flexible concrete, according to claim 1, wherein the driving device comprises a second driving assembly (84), the second driving assembly (84) comprises a torsion spring (842) and two driving devices respectively located at two ends of the torsion spring (842), each driving device comprises a connecting plate (843), an annular pipe (841) installed at the lower end of the connecting plate (843), and a driving roller (844) connected with the connecting plate (843) through a main shaft, one end of the main shaft, which extends out of the connecting plate (843), is fixedly connected with a belt pulley (845), the annular pipe (841) is sleeved on the supporting rod (81), the belt pulley (845) is connected with the supporting rod (81) through a belt, and the driving roller (844) is in contact with the side wall of the test mold (2).
5. The test piece forming device for the compression-type flexible concrete compression strength test according to claim 1, wherein a plurality of buckle sliding grooves (52) are formed in the side wall, close to the second disc (6), of the first disc (5), the buckle sliding grooves (52) are arranged along the radius direction of the first disc (5), a tubular motor (53) with threads in the middle of the outer side wall is arranged in each buckle sliding groove (52), a plurality of arc-shaped pressing plates (54) are arranged on the side edge of the first disc (5), the buckle sliding plates fixedly connected with the side edges of the arc-shaped pressing plates (54) are arranged in the buckle sliding grooves (52), the threads of the tubular motor (53) penetrate through the buckle sliding plates, the test mold (2) is located between the arc-shaped pressing plates (54), and the clamping plates on the side walls of the arc-shaped pressing plates (54) are inserted into clamping grooves in the side walls of the test mold (2).
6. The test piece forming device for the compression-type flexible concrete compression strength test as claimed in claim 5, wherein a circular hole is formed in the side wall of the first disc (5), a convex column is fixedly connected to the inner side wall of the circular hole, the transmission rod (41) penetrates through the circular hole, and the convex column extends into a limiting sliding groove in the side wall of the transmission rod (41).
7. The test piece forming device for the compression-type flexible concrete compression strength test of claim 1, wherein the side wall of the test mold (2) is provided with a feeding pipe (22), the feeding pipe (22) is provided with a sealing column (23) at the position, a connecting rod (25) is installed above the sealing column (23) and a threaded column (24) is installed at the upper end of the connecting rod (25), the threaded column (24) is installed at the upper end inside the feeding pipe (22) in a threaded manner, the sealing column (23) is located at the lower end inside the feeding pipe (22), the lower side surface of the sealing column (23) is arranged to be of an arc-shaped structure, and a polygonal groove (21) for installing a polygonal column (61) on the side wall of a second disc (6) is vertically formed in the middle of the end surface of the test mold (2).
8. The extrusion type test piece forming device for the compression strength test of the flexible concrete as claimed in claim 1, wherein the driving limiting device (3) further comprises two symmetrically arranged limiting mechanisms (7), each limiting mechanism (7) comprises a rotating shaft (71), vertical plates (73) located at two ends above the rotating shaft (71) and arc-shaped abutting plates (75) installed on the side edges of the vertical plates (73), two threaded structures (72) are symmetrically arranged at two ends of the side wall of the rotating shaft (71), a sliding clamping plate (74) is fixedly connected below the vertical plates (73) and sleeved on the rotating shaft (71) in a threaded manner, the two arc-shaped abutting plates (75) are respectively installed in the first annular groove (51) and the second annular groove (62) of the first disc (5) and the second disc (6), and a plurality of balls are embedded in the side walls of the arc-shaped abutting plates (75).
9. The test piece forming device for the compression-type flexible concrete compression strength test of claim 8, wherein the side of the support plate (1) is provided with an open structure (11) which penetrates through the open structure from top to bottom, rollers (13) are arranged at two edges in the open structure (11), the roller (13) supports the test mold (2), risers (14) are arranged at two ends of the bottom of the support plate (1), the risers (14) are arranged at two ends of the support rod (81) in a penetrating manner, sliding clamping grooves (12) are arranged at two edges of the side of the support plate (1), and the lower end of the sliding clamping plate (74) and the rotating shaft (71) are arranged in the sliding clamping grooves (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210773350.6A CN115200955B (en) | 2022-07-01 | 2022-07-01 | Test piece forming device for compression strength test of extrusion type flexible concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210773350.6A CN115200955B (en) | 2022-07-01 | 2022-07-01 | Test piece forming device for compression strength test of extrusion type flexible concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115200955A true CN115200955A (en) | 2022-10-18 |
| CN115200955B CN115200955B (en) | 2024-03-26 |
Family
ID=83578920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210773350.6A Active CN115200955B (en) | 2022-07-01 | 2022-07-01 | Test piece forming device for compression strength test of extrusion type flexible concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115200955B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281189A (en) * | 2008-05-15 | 2008-10-08 | 青岛理工大学 | Cement base material permanent load composite corrosion test instrument |
| CN101408489A (en) * | 2008-11-21 | 2009-04-15 | 哈尔滨工业大学 | Concrete plane complicated applied force test device |
| CN101504356A (en) * | 2009-03-06 | 2009-08-12 | 中国科学院武汉岩土力学研究所 | Self-balancing rock full end face true three-axial compression test apparatus |
| CN201613589U (en) * | 2010-03-30 | 2010-10-27 | 葛洲坝集团试验检测有限公司 | Test piece forming device for extrusion flexible concrete compressive strength test |
| WO2015090206A1 (en) * | 2013-12-18 | 2015-06-25 | 昆山工研院新型平板显示技术中心有限公司 | Bending test method and system for flexible screen |
| CN208100669U (en) * | 2018-04-23 | 2018-11-16 | 中国水利水电第三工程局有限公司 | A kind of molding machine of electrodynamic type pervious concrete test specimen |
| CN208366688U (en) * | 2018-06-20 | 2019-01-11 | 桐乡市乌镇内利仿古园林建设有限公司 | A kind of pervious concrete die trial |
| JP2019086465A (en) * | 2017-11-09 | 2019-06-06 | 宇部興産株式会社 | Mold frame for concrete test piece |
| WO2020192295A1 (en) * | 2019-03-28 | 2020-10-01 | 青岛理工大学 | Device for testing water absorption of concrete in direction parallel with load bearing action, and method |
| CN213226913U (en) * | 2020-08-18 | 2021-05-18 | 杭州汉特建材有限公司 | Horizontal concrete mixer |
| CN214982111U (en) * | 2021-06-07 | 2021-12-03 | 佛冈县诚康商品混凝土有限公司 | Horizontal concrete mixing device |
| CN114034453A (en) * | 2021-11-26 | 2022-02-11 | 江苏华强工程技术有限公司 | Hydraulic test equipment in concrete pipeline and test method thereof |
-
2022
- 2022-07-01 CN CN202210773350.6A patent/CN115200955B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281189A (en) * | 2008-05-15 | 2008-10-08 | 青岛理工大学 | Cement base material permanent load composite corrosion test instrument |
| CN101408489A (en) * | 2008-11-21 | 2009-04-15 | 哈尔滨工业大学 | Concrete plane complicated applied force test device |
| CN101504356A (en) * | 2009-03-06 | 2009-08-12 | 中国科学院武汉岩土力学研究所 | Self-balancing rock full end face true three-axial compression test apparatus |
| CN201613589U (en) * | 2010-03-30 | 2010-10-27 | 葛洲坝集团试验检测有限公司 | Test piece forming device for extrusion flexible concrete compressive strength test |
| WO2015090206A1 (en) * | 2013-12-18 | 2015-06-25 | 昆山工研院新型平板显示技术中心有限公司 | Bending test method and system for flexible screen |
| JP2019086465A (en) * | 2017-11-09 | 2019-06-06 | 宇部興産株式会社 | Mold frame for concrete test piece |
| CN208100669U (en) * | 2018-04-23 | 2018-11-16 | 中国水利水电第三工程局有限公司 | A kind of molding machine of electrodynamic type pervious concrete test specimen |
| CN208366688U (en) * | 2018-06-20 | 2019-01-11 | 桐乡市乌镇内利仿古园林建设有限公司 | A kind of pervious concrete die trial |
| WO2020192295A1 (en) * | 2019-03-28 | 2020-10-01 | 青岛理工大学 | Device for testing water absorption of concrete in direction parallel with load bearing action, and method |
| CN213226913U (en) * | 2020-08-18 | 2021-05-18 | 杭州汉特建材有限公司 | Horizontal concrete mixer |
| CN214982111U (en) * | 2021-06-07 | 2021-12-03 | 佛冈县诚康商品混凝土有限公司 | Horizontal concrete mixing device |
| CN114034453A (en) * | 2021-11-26 | 2022-02-11 | 江苏华强工程技术有限公司 | Hydraulic test equipment in concrete pipeline and test method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115200955B (en) | 2024-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112683670B (en) | Anchor rod drawing experiment device and detection method thereof | |
| CN114459928B (en) | Motor part hardness testing device and testing method thereof | |
| CN114441297A (en) | Horizontal fixture of compression test for building engineering detects | |
| CN211431541U (en) | Automatic change computer multimedia adjusting device for education | |
| CN115200955A (en) | Test piece forming device for extrusion type flexible concrete compressive strength test | |
| CN211717920U (en) | Locking device for vibrating compaction instrument | |
| CN214041071U (en) | Anti-permeability instrument | |
| CN112139770A (en) | Preparation process of assembled integral floor slab | |
| CN107671573A (en) | A kind of mechanical fixture | |
| CN215511600U (en) | Demoulding machine | |
| CN216386614U (en) | Concrete early crack resistance test device | |
| CN113376026B (en) | Pressure detection device for cylindrical roller bearing production and application method thereof | |
| CN213319987U (en) | Automobile part production clamping die with all-dimensional positioning function | |
| CN210803196U (en) | Concrete passes through formula resistance appearance | |
| CN210166273U (en) | Concrete cut-off wall impermeability detection device | |
| CN220373096U (en) | Bearing experiment table clamp | |
| CN214290456U (en) | Split type plate forming die | |
| CN220188225U (en) | Pressure testing machine | |
| CN219284792U (en) | Be applicable to concrete core appearance and mend plain device | |
| CN219250882U (en) | Massage machine core of massager | |
| CN217237502U (en) | Pressure testing machine with quick positioning function | |
| CN217370547U (en) | Drilling device for rubber core bearing part of high-temperature under-pressure operation device | |
| CN219505172U (en) | Detachable internal mixer trough structure | |
| CN219552111U (en) | Building brick strength detection device | |
| CN218725948U (en) | Horizontal mortar penetrometer calibrating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |