CN208399265U - Bending strength of cement experimental rig with cursor positioning function - Google Patents
Bending strength of cement experimental rig with cursor positioning function Download PDFInfo
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- CN208399265U CN208399265U CN201820595105.XU CN201820595105U CN208399265U CN 208399265 U CN208399265 U CN 208399265U CN 201820595105 U CN201820595105 U CN 201820595105U CN 208399265 U CN208399265 U CN 208399265U
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Abstract
The utility model discloses a kind of bending strength of cement experimental rig with cursor positioning function, including cabinet seat, motor is installed in cabinet seat；Two root posts are fixed in cabinet seat, a crossbeam is placed at its top after two root posts are pierced by cabinet seat, and crossbeam is fixed on two root posts top by two bulb nuts；Crossbeam underrun sensor fixed screw installs pressure sensor, screw rod connector is installed at the pressure interface of pressure sensor, fastening nut I is screwed on screw rod connector, screw rod connector lower end screws installation landing nipple, and installation loading cylindrical seat is screwed on the bottom screw of landing nipple.The utility model respectively adds a CROSS LASER LIGHT by the two sides center in loading cylinder, add the yellow line for being parallel to two support cylinders in the middle position of support cylinder, really guarantee that three vertical planes are parallel from the angle of scientific quantitative analysis, the accuracy and accuracy for improving test, make result have higher confidence level and convincingness.
Description
Technical field
The utility model relates to cement products detection field, the strong examination of specially a kind of anti-folding of the cement with cursor positioning function
Experiment device.
Background technique
Currently, cement sample bending test requires for load to be vertically added on prism opposite flank, body one will be tried
Side is placed on experimental rig support cylinder, and examination long axis of body is perpendicular to support cylinder, by loading cylinder with 50N/S ± 10N/S
Rate uniform load is vertically added on prism opposite flank, until fracture.Regulation regulation passes through three cylindrical shafts
Three vertical planes should be parallel, and test when continue keeping parallelism and it is equidistant it is vertical examination body direction.Existing examination
Experiment device is estimated by testing crew, and manually adjusting keeps loading cylindrical shaft parallel with support cylinder, causes to add in actual tests
Lotus cylindrical shaft is parallel with support cylinder to have error, and then influences cement briquette stress, reduces the validity of test.
Summary of the invention
The utility model aim is to provide a kind of novel bending strength of cement experimental rig with cursor positioning function.
The utility model adopts the following technical scheme that realization:
A kind of bending strength of cement experimental rig with cursor positioning function, including cabinet seat, the interior installation of the cabinet seat
Motor.Two root posts are fixed in the cabinet seat, a crossbeam, the crossbeam are placed in its top after two root posts are pierced by cabinet seat
Two root posts top is fixed on by two bulb nuts；The crossbeam underrun sensor fixed screw installs pressure sensing
Device installs screw rod connector at the pressure interface of the pressure sensor, has screwed fastening nut I on the screw rod connector, described
Screw rod connector lower end screws installation landing nipple, and fastening nut II, the positioning are screwed on the bottom screw of the landing nipple
Installation loading cylindrical seat is screwed on the bottom screw of connector, and loading cylinder is installed in the loading cylindrical seat.
Ball-screw is installed by bearing in the cabinet seat, the screw rod rotation of the motor driven ball screws is described
Fixed lead screw sheath outside the screw of ball-screw, the lead screw sheath stretch out its top installation support cylinder bottom after cabinet seat upwards
Seat, it is described support cylindrical seat both sides be equipped with support cylinder I and support cylinder II, the loading cylinder and support cylinder I,
Support cylinder II parallel.
The both ends of the loading cylinder pass through positioning lamp fixed clip respectively and are equipped with positioning lamp I and positioning lamp II, described
It supports and is disposed with label A and label B on the central axial line of cylindrical seat, when loading cylinder and support cylinder I, support cylinder II are flat
When row, the cross cursor that the cross cursor that positioning lamp I issues is located at label A, positioning lamp II issues is located at label B.
It is flat by three vertical planes of three cylinders (loading cylinder and support cylinder I and support cylinder II) for guarantee
Row, adds a CROSS LASER LIGHT in the two sides of loading cylinder respectively, is parallel in the intermediate addition one of support cylindrical seat
Support the middle line of cylinder.Using CROSS LASER LIGHT verticality, the clear feature of good, pinpoint accuracy, low divergence, light, makes light
The cross of formation is flushed with the middle line of support cylindrical seat, to quick and precisely judge that three vertical planes are parallel.If three
Vertical plane is parallel, then the cross that positioning lamp I and positioning lamp II are issued should be placed exactly in when CROSS LASER LIGHT is bright
The two endpoints label A and label B location of middle line；If three vertical planes are not parallel, the ten of CROSS LASER LIGHT sending
Word light will not be flushed with middle line.Three vertical plane collimations are judged by the above method, to guarantee load along examination body
Width direction is uniformly distributed, and is added in load vertically on prism opposite flank.
In use, one side of cement specimen is placed on the two support cylinders I and support cylinder II of testing machine, body is tried
Long axis starts motor, the screw rod of ball-screw is driven to rotate perpendicular to support cylinder, and screw driving lead screw sheath is transported upwards
Dynamic, driving support cylindrical seat slowly moves up, so that loading cylinder is vertical by load with the rate uniform of 50N/S ± 10N/S
Ground is added on cement prism opposite flank, until fractureing.It is parallel by three vertical planes of three cylindrical shafts, and testing
The direction of Shi Jixu keeping parallelism and equidistant vertical examination body, so that load is uniformly distributed along examination body width direction, while not producing
Raw any distorting stress.Realize that loading cylindrical shaft is parallel with support cylinder to position by cursor, the repetition of guarantee test data
Property and reliability.
The utility model has the following beneficial effects:
1, bending test requires for load to be vertically added on prism opposite flank, therefore passes through the three of three cylindrical shafts
A vertical plane should be parallel, and continues the direction of keeping parallelism and equidistant vertical examination body in test.It is range estimation, hand before
It is dynamic to be allowed to probably parallel, and precisive is not implemented, therefore accuracy need to be improved.By installing cross positioning light,
Really guarantee that three vertical planes are parallel from the angle of scientific quantitative analysis, improves the accuracy and accuracy of test, have result
Standby higher confidence level and convincingness.
2, it is locked after screw rod connector is installed at the pressure interface of pressure sensor by fastening nut I, again installation positioning
Locked after connector by fastening nut II, then in installs fixture A(loading cylindrical seat and loading cylinder), increase stability.
3, cylindrical seat and support cylinder I and support cylinder II are supported by test fixture B() it moves up, test fixture
A(loading cylindrical seat and loading cylinder) it is fixed, detection accuracy is provided.
The utility model is designed reasonably has the application of good market and promotional value.
Detailed description of the invention
Fig. 1 shows the schematic diagram of the section structure of flexural strength experimental rig.
The top the schematic diagram of the section structure of Fig. 2 expression flexural strength experimental rig.
The schematic diagram of the section structure of Fig. 3 expression landing nipple.
Fig. 4 indicates loading cylinder and supports the side view of cylinder.
The loading position schematic diagram of Fig. 5 expression flexural strength experimental rig.
Fig. 6 indicates the top view of the support cylindrical seat of flexural strength experimental rig.
In figure: 1- cabinet seat, 2- column, 3- crossbeam, 4- pressure sensor, 5- screw rod connector, 6- landing nipple, 7- are hung
Hook, 8- loading cylindrical seat, 9- support cylindrical seat, 10- loading cylinder, and 11- supports cylinder I, and 12- supports cylinder II, 13- rolling
Ballscrew, 14- lead screw sheath, 15- bulb nut, 16- positioning lamp I, 17- positioning lamp II, 18- positioning lamp fixed clip, 19- are tight
Gu nut I, 20- fastening nut II, 21- top wire hole I, 22- top wire hole II, 23- sensor fixed screw, 24- locating slot, 25-
Spring washer piece, 26- flat shim, hexagonal jackscrew in 27-.
Specific embodiment
Specific embodiment of the utility model is described in detail with reference to the accompanying drawing.
As shown in Figure 1, 2, a kind of bending strength of cement experimental rig with cursor positioning function, including cabinet seat 1, cabinet
Motor is installed in seat 1；Two root posts 2 are fixed in cabinet seat 1, a crossbeam is placed at its top after two root posts 2 are pierced by cabinet seat 1
3, suspension hook 7 is installed on crossbeam 3.Crossbeam 3 is fixed on two root posts top by two bulb nuts 15, and bulb nut 15 is specific
It is screwed in 2 end of column by spring washer piece 25 and flat shim 26, crossbeam is fixed, i.e. laboratory holder A is fixed.
As shown in Figure 1,3 underrun sensor fixed screw 23 of crossbeam installs pressure sensor 4, which is adopted
It is a kind of device for pressure measurement with the output of metal shell, pressure interface and high level signal with heavily loaded pressure sensor.
Screw rod connector 5 is installed at the pressure interface of pressure sensor 4, has screwed fastening nut I 19 on screw rod connector 5, under screw rod connector 5
End screws installation landing nipple 6, and two locating slots have been arranged symmetrically on screw rod connector 5, is symmetrically arranged with two on landing nipple 6
A II 22(of top wire hole is for installing hexagonal jackscrew in M6 × 5).
The installation and removal of landing nipple: when installation, the upper surface of landing nipple being screwed on screw rod connector, is guaranteeing to determine
After the M6 jackscrew screw hole of position connector two sides is aligned with the locating slot on screw rod connector, then hexagonal jackscrew in M6 × 5 of two sides revolved
Tightly, play is prevented, fastening nut I is finally screwed down.When disassembly, first fastening nut I is unscrewed upwards, then by M6 × 5 of two sides
Interior hexagonal jackscrew unscrews outward, then landing nipple is screwed off from screw rod connector.
As shown in Figure 1, 2, fastening nut II 20, the bottom screw of landing nipple 6 are screwed on the bottom screw of landing nipple 6
On screw installation loading cylindrical seat 8, as shown in figure 3, being arranged symmetrically two locating slots on the bottom screw of landing nipple 6
24, the top wire hole II 22 and locating slot 24 of landing nipple 6 are located on same axis.Two are symmetrically arranged in loading cylindrical seat 8
I 21(of top wire hole is for installing hexagonal jackscrew in M4 × 5).
Loading cylinder 10 is installed as shown in Fig. 1,4, in loading cylindrical seat 8 and constitutes test fixture A, as shown in figure 5, loading
The both ends of cylinder 10 pass through positioning lamp fixed clip 18 respectively and are equipped with positioning lamp I 16 and positioning lamp II 17.
The installation and removal of test fixture A: when installation, test fixture A being screwed on the screw rod of landing nipple, is guaranteeing to try
Test the two sides fixture A M4 jackscrew screw hole be aligned with the locating slot on landing nipple after, then hexagonal jackscrew in M4 × 5 of two sides revolved
Tightly, play is prevented, fastening nut II is finally screwed down.When disassembly, first unscrew fastening nut II upwards, then by the M4 of two sides ×
Hexagonal jackscrew unscrews outward in 5, then test fixture A is screwed off from the screw rod of landing nipple.
As shown in Figure 1, installing ball-screw 13 by bearing in cabinet seat 1, motor passes through gear drive or chain conveyer
The screw rod rotation of ball-screw 13, fixed lead screw sheath 14 outside the screw of ball-screw 13 are driven, lead screw sheath 14 stretches out upwards
Its top installation support cylindrical seat 9 after cabinet seat 1, lead screw sheath 14 is especially by the fixed support cylinder bottom of interior hexagonal jackscrew 27
Seat 9, prevents play.
As shown in figure 4, the both sides of support cylindrical seat 9 are equipped with support cylinder I 11 and support cylinder II 12 constitutes test
Fixture B, loading cylinder 10 are parallel with support cylinder I 11, support cylinder II 12；As shown in fig. 6, the center of support cylindrical seat 9
Label A and label B are disposed on axis (O-O '), when loading cylinder 10 is parallel with support cylinder I 11, support cylinder II 12,
The cross cursor that the cross cursor that positioning lamp I 16 issues is located at label A, positioning lamp II 17 issues is located at label B.
Test fixture B's is installed on disassembly:, will after test fixture B is first placed to lead screw sheath designated position when installation
Hexagonal jackscrew screws in M6 × 10.When disassembly, first hexagonal jackscrew in M6 × 10 is unscrewed outward, then test fixture B from
It is taken out in lead screw sheath.
Loading cylindrical seat is fixedly connected on pressure sensor, passes through fixed loading cylinder in loading cylindrical seat
Apply test determination load in cement briquette.Two support cylinders are mounted in support cylindrical seat, and cement briquette is placed in
In the plane that two support cylinders are formed, with loading cylinder collective effect power in cement briquette, bending strength of cement test is completed.
Cement briquette be installed on support cylinder on after, loading cylinder apply active force before, the fixing piece of positioning lamp I and
The fixing piece of positioning lamp II must be fixedly connected with loading cylinder, and make be installed on two positioning lamps and with support cylinder bottom
Seat is vertical, should adjust the position of loading cylinder, guarantees that the cross cursor that positioning lamp I and positioning lamp II issue falls within support cylinder bottom
On label A and label B on seat middle line O-O ', that is, it can guarantee three vertical planes that loading cylinder and left and right support cylinder are formed
Keeping parallelism can guarantee the power for rapidly and accurately applying reference direction in cement briquette in this way, it is ensured that bending strength of cement examination
The validity tested.
The bending strength of cement experimental rig with cursor positioning function of the utility model passes through the two sides of loading cylinder
Projection of the positioning lamp on supporting plane rapidly and accurately realizes that loading cylinder is parallel with the support vertical plane of cylinder, to guarantee
Load is uniformly distributed along examination body width direction, improves the stability and repeatability of test.
It should be pointed out that for the those skilled in the art of the art, before not departing from the utility model principle
It puts, several improvement and application can also be made, these are improved and application is also considered as the protection scope of the utility model.
Claims (5)
1. a kind of bending strength of cement experimental rig with cursor positioning function, including cabinet seat (1), the cabinet seat (1) is interior
Motor is installed；
It is characterized by: fixing two root posts (2) in the cabinet seat (1), two root posts (2) are pierced by cabinet seat (1) Hou Qiding
A crossbeam (3) is placed in portion, and the crossbeam (3) is fixed on two root posts top by two bulb nuts (15)；The crossbeam
(3) underrun sensor fixed screw (23) installs pressure sensor (4), at the pressure interface of the pressure sensor (4)
It installs screw rod connector (5), has screwed fastening nut I (19) on the screw rod connector (5), screw rod connector (5) lower end screws
It installs landing nipple (6), screws fastening nut II (20), the landing nipple (6) on the bottom screw of the landing nipple (6)
Bottom screw on screw installation loading cylindrical seat (8), loading cylinder (10) are installed on the loading cylindrical seat (8)；
Ball-screw (13) are installed by bearing in the cabinet seat (1), the screw rod rotation of the motor driven ball screws (13)
Turn, fixed lead screw sheath (14), the lead screw sheath (14) stretch out cabinet seat (1) upwards outside the screw of the ball-screw (13)
Its top installation support cylindrical seat (9) afterwards, the both sides of support cylindrical seat (9) are equipped with support cylinder I (11) and prop up
Column II (12) is held round, the loading cylinder (10) is parallel with support cylinder I (11), support cylinder II (12)；
The both ends of the loading cylinder (10) pass through positioning lamp fixed clip (18) respectively and are equipped with positioning lamp I (16) and positioning lamp
II (17), it is described support cylindrical seat (9) central axial line on be disposed with label A and label B, when loading cylinder (10) and support
When cylinder I (11), support cylinder II (12) are parallel, the cross cursor that positioning lamp I (16) issues is located at label A, positioning lamp II
(17) cross cursor issued is located at label B.
2. the bending strength of cement experimental rig according to claim 1 with cursor positioning function, it is characterised in that: described
It has been arranged symmetrically two locating slots (24) on the bottom screw of landing nipple (6), has been symmetrically arranged on the loading cylindrical seat (8)
Two top wire holes I (21)；
It has been arranged symmetrically two locating slots on the screw rod connector (5), has been symmetrically arranged with two top wire holes on the landing nipple (6)
II (22), the top wire hole II (22) of the landing nipple (6) and locating slot (24) are located on same axis.
3. the bending strength of cement experimental rig according to claim 1 or 2 with cursor positioning function, it is characterised in that:
Suspension hook (7) are installed on the crossbeam (3).
4. the bending strength of cement experimental rig according to claim 3 with cursor positioning function, it is characterised in that: described
Bulb nut (15) is screwed in column (2) end by spring washer piece (25) and flat shim (26).
5. the bending strength of cement experimental rig according to claim 4 with cursor positioning function, it is characterised in that: described
Lead screw sheath (14) passes through fixed support cylindrical seat (9) of interior hexagonal jackscrew (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820595105.XU CN208399265U (en) | 2018-04-25 | 2018-04-25 | Bending strength of cement experimental rig with cursor positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820595105.XU CN208399265U (en) | 2018-04-25 | 2018-04-25 | Bending strength of cement experimental rig with cursor positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208399265U true CN208399265U (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820595105.XU Expired - Fee Related CN208399265U (en) | 2018-04-25 | 2018-04-25 | Bending strength of cement experimental rig with cursor positioning function |
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| CN (1) | CN208399265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261240A (en) * | 2019-06-03 | 2019-09-20 | 郑州大学第一附属医院 | A kind of root canal treatment NiTi file fold resistance device for fast detecting |
-
2018
- 2018-04-25 CN CN201820595105.XU patent/CN208399265U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261240A (en) * | 2019-06-03 | 2019-09-20 | 郑州大学第一附属医院 | A kind of root canal treatment NiTi file fold resistance device for fast detecting |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20210425 |