CN212083088U - A tensile experimental apparatus of concrete intensity for building teaching - Google Patents
A tensile experimental apparatus of concrete intensity for building teaching Download PDFInfo
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- CN212083088U CN212083088U CN202020851976.0U CN202020851976U CN212083088U CN 212083088 U CN212083088 U CN 212083088U CN 202020851976 U CN202020851976 U CN 202020851976U CN 212083088 U CN212083088 U CN 212083088U
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- gag lever
- lever post
- clamp body
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- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000009864 tensile test Methods 0.000 claims description 9
- 238000002474 experimental method Methods 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to a building teaching technical field specifically is a concrete strength tensile experimental apparatus for building teaching, the on-line screen storage device comprises a base, the top welding of base has a set of gag lever post, and the top of gag lever post has cup jointed the roof, the top of base and the outside that is located a set of gag lever post are pegged graft and are had a set of screw rod, the top activity gomphosis of screw rod is on the roof, the lifter plate has been cup jointed jointly on gag lever post and the screw rod, and the bottom center department of lifter plate installs the binding clasp main part. This device compares detection device as experimental facilities, and its theory of operation is objective, clear and directly perceived, can bring audio-visual impression for the participant of experiment, and not only through data transfer information, data information is accurate though, uses when only being fit for detecting for whether it is qualified to detect the concrete, and as experimental facilities, mainly to the experimenter, demonstrates the experimental result, therefore visual impact compares the teaching.
Description
Technical Field
The utility model relates to a building teaching technical field specifically is a tensile experimental apparatus of concrete intensity for building teaching.
Background
The concrete tensile strength is the concrete axle center tensile strength, namely the stress value obtained by dividing the maximum load borne by a concrete test piece when the concrete test piece is broken after being subjected to tension by the sectional area, the concrete axle center tensile strength is mainly tested by two methods, namely a direct test method and a splitting test method, wherein the direct test method is to use a steel die to pour a prismatic test piece and apply uniform tension to the test piece through reinforcing steel bars pre-embedded at two ends of the axis of the test piece, the splitting test is carried out by using a cubic or cylindrical test piece, a cushion strip is additionally arranged between the upper and lower bearing surfaces of the test piece and a press plate, so that the upper and lower parts of the test piece form corresponding strip-shaped loads to cause the splitting damage of the test piece along the center of the cube or the diameter section of the cylinder, and the force value during splitting.
The existing test mode needs to embed a test piece in advance or needs to add a filler strip, and the obtained numerical value needs a complex calculation mode, so that the test effect is not visual enough, and the participating experimenters can not feel visually. Accordingly, those skilled in the art have provided a concrete strength tensile test apparatus for building teaching to solve the problems set forth in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tensile experimental apparatus of concrete intensity for building teaching to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tensile experimental apparatus of concrete intensity for building teaching, includes the base, the top welding of base has a set of gag lever post, and the top of gag lever post has cup jointed the roof, the top of base and the outside that is located a set of gag lever post are pegged graft and are had a set of screw rod, the top activity gomphosis of screw rod is on the roof, the lifter plate has been cup jointed jointly on gag lever post and the screw rod, and the bottom center department of lifter plate installs the binding clasp main part, the top of base just is located and installs location frock platform between a set of gag lever post, and has seted up three mounting groove, one of them on the location frock bench sliding connection have lower binding clasp main part.
As a further aspect of the present invention: the structure of the upper clamp body is the same as that of the lower clamp body, a sliding groove is formed in the top of the lower clamp body along the length direction of the lower clamp body, and a movable clamping plate is connected to the sliding groove in a sliding mode.
As a further aspect of the present invention: the rear side of the movable clamping plate is welded with a clamping plate, the lower end of the movable clamping plate is connected with a lead screw in a threaded mode, and the lead screw and the sliding groove are horizontal.
As a further aspect of the present invention: the rear end of the top of the lower clamp body is welded with a fixed clamping plate, the fixed clamping plate is provided with a groove, the center of the bottom end of the lower clamp body is welded with a connecting column, and the tail end of the connecting column is welded with a sliding block.
As a further aspect of the present invention: one side welding in the base has the support, and the overlap joint has the reduction gear on the support, the motor is installed to the input of reduction gear, the output and a screw rod of reduction gear are connected.
As a further aspect of the present invention: one of the screws is sleeved with a first rotating wheel in the part located inside the base, the other screw is sleeved with a second rotating wheel in the part located inside the base, and the first rotating wheel and the second rotating wheel are sleeved with belts.
As a further aspect of the present invention: and the top of the base is provided with a telescopic tower ruler which is positioned behind the upper clamp body and the lower clamp body.
Compared with the prior art, the beneficial effects of the utility model are that this device compares detection device as experimental facilities, its theory of operation is objective, it is bright, it is clear and directly perceived, can bring audio-visual impression for the participant of experiment, rather than only through data transfer information, data information is accurate, but use when only being fit for detecting, be used for detecting whether qualified concrete, and as experimental facilities, mainly to the experimenter, show the experimental result, therefore visual impact is better than teaching, so this device adopts the screw rod to drive the lifter plate motion, thereby make fixed splint and lower fixed splint relative motion, and then stretch the concrete piece, through tensile, thereby make the concrete fracture, observe the tensile strength of concrete, meanwhile through the cooperation of flexible tower tooth, can know tensile distance.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a concrete strength tensile test device for building teaching;
FIG. 2 is a schematic structural diagram of a clamping mechanism in a concrete strength tensile test device for building teaching;
fig. 3 is a schematic diagram of a driving structure in a concrete strength tensile experimental apparatus for building teaching.
In the figure: 1. a top plate; 2. a screw; 3. a lifting plate; 4. positioning a tooling table; 5. a base; 6. mounting grooves; 7. a lower gripper body; 8. an upper clamper body; 9. a limiting rod; 10. fixing the clamping plate; 11. clamping a plate; 12. moving the clamping plate; 13. a lead screw; 14. a chute; 15. connecting columns; 16. a first runner; 17. a speed reducer; 18. a support; 19. a motor; 20. a second runner; 21. a belt.
Detailed Description
Referring to fig. 1 to 3, in the embodiment of the present invention: the utility model provides a tensile experimental apparatus of concrete intensity for building teaching, including base 5, the welding of base 5's top has a set of gag lever post 9, and roof 1 has been cup jointed at the top of gag lever post 9, base 5's top and the outside that is located a set of gag lever post 9 are pegged graft and are had a set of screw rod 2, the top activity gomphosis of screw rod 2 is on roof 1, lifter plate 3 has been cup jointed jointly on gag lever post 9 and the screw rod 2, and the bottom center department of lifter plate 3 installs binding clasp main part 8, base 5's top just is located and installs location frock platform 4 between a set of gag lever post 9, and fix a position and seted up three mounting groove 6 on the frock platform 4, sliding connection has lower binding clasp main part 7 on one of them mounting.
In fig. 2, the upper clamp body 8 and the lower clamp body 7 have the same structure, the top of the lower clamp body 7 is provided with a sliding groove 14 along the length direction, the sliding groove 14 is connected with a movable clamping plate 12 in a sliding manner, and the upper clamp body 8 and the lower clamp body 7 are enabled to stretch the concrete block through the opposite movement of the upper clamp body 8 and the lower clamp body 7, so that the purpose of the experiment is achieved.
In fig. 2, the cardboard 11 has been welded to the rear side of movable clamp 12, the lower extreme threaded connection of movable clamp 12 has lead screw 13, and lead screw 13 and spout 14 level, rotate through lead screw 13, thereby utilize the principle of screw motion to make movable clamp 12 be close to solid fixed clamp 10 and go forward to step up the concrete, the concrete piece that cardboard 11's main effect was detected is probably the rectangle, also can be other shapes, the simple mutual laminating of adopting movable clamp 12 and solid fixed clamp 10 is difficult to press from both sides tightly, and the arc wall of seting up in the cardboard 11 can increase the binding face, perhaps support the contact, be favorable to pressing from both sides tightly.
In fig. 2, the welding of the top rear end of lower binding clasp main part 7 has solid fixed splint 10, and seted up flutedly on the solid fixed splint 10, the welding of the bottom center department of lower binding clasp main part 7 has spliced pole 15, and the welding of the end of spliced pole 15 has the slider, gu the main effect of solid fixed splint 10 is that cooperation movable splint 12 steps up the concrete block, the effect of recess is for increasing area of contact, be favorable to the friction, the primary action of connecting food is, make lower binding clasp main part 7 can cross sliding connection on location frock platform 4, utilize the slider to retrain, because lower binding clasp main part 7 only bears upper and lower power when using, and can not have the horizontally power, consequently as long as retrain its horizontal motion can.
In fig. 3, a bracket 18 is welded on one side in the base 5, a speed reducer 17 is connected to the bracket 18 in a lap joint mode, a motor 19 is installed at the input end of the speed reducer 17, the output end of the speed reducer 17 is connected with a screw rod 2, the bracket 18 is used for installing the speed reducer 17, the speed reducer 17 is driven by the adjusting motor 19, and the motor 19 provides power for rotation of the screw rod 2.
In fig. 3, a first runner 16 is sleeved on a part of one of the screws 2 inside the base 5, a second runner 20 is sleeved on a part of the other screw 2 inside the base 5, and a belt 21 is sleeved on the first runner 16 and the second runner 20, when one of the screws 2 rotates, the belt 21 is driven to rotate by the first runner 16, and then the second runner 20 is driven to rotate by the belt 21, so that the other screw 2 rotates along the same direction as the synchronous rotation of the other screw, and the lifting plate 3 is lifted by the rotation of the screw 2, thereby completing the stretching.
In fig. 1, a telescopic tower staff is installed on the top of the base 5 and behind the upper clamp body 8 and the lower clamp body 7, the top of the telescopic tower staff is fixedly connected with the lifting plate 3, and the bottom of the telescopic tower staff is connected with the top of the base 5, so that the telescopic tower staff moves along with the lifting plate 3 when the lifting plate is lifted, and the stretching distance can be objectively sensed.
The utility model discloses a theory of operation is: when the device is used, the screw 13 rotates, so that the movable clamp plate 12 is close to the fixed clamp plate 10 to clamp the concrete block by utilizing the principle of thread motion, at the moment, the upper clamp body 8 and the lower clamp body 7 complete clamping of the concrete block, then the motor 19 (with the model of Y132L-2) adjusts through the speed reducer 17 (with the model of WPA 80/50/60), the output power drives one of the screw rods 2 to rotate, when one of the screw rods 2 rotates, the first rotating wheel 16 drives the belt 21 to rotate, the belt 21 drives the second rotating wheel 20 to rotate, so that the other screw rod 2 rotates synchronously and simultaneously along with the screw rods, the lifting plate 3 is lifted through rotation of the screw rods 2 to complete stretching, the crack of the concrete block is visually observed, the top of the tower scale is fixedly connected with the lifting plate 3, and the bottom end is connected with the top of the base 5, therefore, the telescopic tower staff moves along when the lifting plate 3 is lifted, so that the stretching distance can be objectively sensed.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a tensile experimental apparatus of concrete strength for building teaching, includes base (5), its characterized in that: the welding of the top of base (5) has a set of gag lever post (9), and the top of gag lever post (9) has cup jointed roof (1), the top of base (5) and the outside that is located a set of gag lever post (9) are pegged graft and have a set of screw rod (2), the top activity gomphosis of screw rod (2) is on roof (1), lifter plate (3) have been cup jointed jointly on gag lever post (9) and screw rod (2), and the bottom center department of lifter plate (3) installs binding clasp main part (8), the top of base (5) just is located and installs location frock platform (4) between a set of gag lever post (9), and has seted up three mounting groove (6) on location frock platform (4), one of them sliding connection has lower binding clasp main part (7) on mounting groove (6).
2. The concrete strength tensile test device for building teaching according to claim 1, wherein the upper clamp body (8) and the lower clamp body (7) are identical in structure, a sliding groove (14) is formed in the top of the lower clamp body (7) along the length direction of the lower clamp body, and a movable clamping plate (12) is connected onto the sliding groove (14) in a sliding mode.
3. The concrete strength tensile test device for building teaching according to claim 2, wherein the clamping plate (11) is welded to the rear side of the movable clamping plate (12), the lower end of the movable clamping plate (12) is in threaded connection with the lead screw (13), and the lead screw (13) and the sliding groove (14) are horizontal.
4. The concrete strength tensile test device for building teaching of claim 1, wherein a fixed clamping plate (10) is welded at the rear end of the top of the lower clamp body (7), a groove is formed in the fixed clamping plate (10), a connecting column (15) is welded at the center of the bottom end of the lower clamp body (7), and a sliding block is welded at the tail end of the connecting column (15).
5. The concrete strength tensile test device for building teaching of claim 1, wherein a support (18) is welded to one side in the base (5), a speed reducer (17) is connected to the support (18) in a lap joint mode, a motor (19) is installed at the input end of the speed reducer (17), and the output end of the speed reducer (17) is connected with a screw (2).
6. The concrete strength tensile test device for building teaching of claim 1, wherein: one of the screw rods (2) is sleeved with a first rotating wheel (16) in the part located inside the base (5), the other screw rod (2) is sleeved with a second rotating wheel (20) in the part located inside the base (5), and a belt (21) is sleeved on the first rotating wheel (16) and the second rotating wheel (20).
7. The concrete strength tensile test device for building teaching of claim 1, wherein a telescopic tower ruler is installed at the top of the base (5) and behind the upper clamp body (8) and the lower clamp body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851976.0U CN212083088U (en) | 2020-05-20 | 2020-05-20 | A tensile experimental apparatus of concrete intensity for building teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851976.0U CN212083088U (en) | 2020-05-20 | 2020-05-20 | A tensile experimental apparatus of concrete intensity for building teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212083088U true CN212083088U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020851976.0U Expired - Fee Related CN212083088U (en) | 2020-05-20 | 2020-05-20 | A tensile experimental apparatus of concrete intensity for building teaching |
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| Country | Link |
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| CN (1) | CN212083088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113192403A (en) * | 2021-05-07 | 2021-07-30 | 王芳 | System for simulating formation of geological fault |
-
2020
- 2020-05-20 CN CN202020851976.0U patent/CN212083088U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113192403A (en) * | 2021-05-07 | 2021-07-30 | 王芳 | System for simulating formation of geological fault |
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Granted publication date: 20201204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |