CN114235577A - Constant stress tensile testing machine - Google Patents
Constant stress tensile testing machine Download PDFInfo
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- CN114235577A CN114235577A CN202111548729.9A CN202111548729A CN114235577A CN 114235577 A CN114235577 A CN 114235577A CN 202111548729 A CN202111548729 A CN 202111548729A CN 114235577 A CN114235577 A CN 114235577A
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- 238000009864 tensile test Methods 0.000 title claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 30
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 210000003781 tooth socket Anatomy 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 21
- 239000012634 fragment Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- General Health & Medical Sciences (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention is suitable for the technical field of stress and tension testing, and provides a constant stress and tension testing machine, which comprises: the cabinet body is provided with a support, and the support is provided with a pressure assembly; the supporting platform is arranged on the cabinet body, a supporting assembly is arranged on the supporting platform, and the supporting assembly is matched with the pressure assembly; when the constant stress tensile testing machine is used, the pressure assembly is firstly placed in a starting state, the supporting assembly is closed at the moment, a concrete structure to be tested can be placed on the supporting assembly, and then the pressure assembly can descend under the driving action to carry out pressure test on the concrete structure; after the pressure assembly is tested, the pressure assembly is controlled to run reversely, the movement of the pressure assembly controls the supporting assembly to be opened through the linkage assembly, and fragments placed on the supporting assembly can be discharged through the recovery assembly, so that the effect of automatic recovery is realized.
Description
Technical Field
The invention belongs to the technical field of stress and tension tests, and particularly relates to a constant stress and tension tester.
Background
With the improvement of the construction technology level, the country accelerates the promotion of infrastructure engineering construction, and the application of concrete in the building market is more and more, and the requirements on engineering quality and environmental protection are more and more strict. In the building engineering, the performance of concrete is usually tested at regular time, the method is to cast a batch of concrete test blocks with specified size, a constant stress tester is used for applying pressure to the test blocks, and the test blocks are directly broken to obtain the pressure resistance value of the concrete test blocks.
Current constant stress tensile testing machine is carrying out the pressure test back when using, needs manual residue fragment after to the test to clear up, complex operation, and broken fragment mostly all contains comparatively sharp-pointed corner, and manual clearance is very easily injured, has great potential safety hazard.
Disclosure of Invention
The embodiment of the invention aims to provide a constant stress tensile testing machine, and aims to solve the problems that after pressure testing is carried out in the conventional constant stress tensile testing machine, residue fragments after testing need to be manually cleaned, the operation is complicated, most of the broken fragments contain sharp corners, the manual cleaning is easy to hurt, and the potential safety hazard is large.
The embodiment of the invention is realized in such a way that the constant stress tension tester comprises:
the cabinet body is provided with a support, and the support is provided with a pressure assembly;
the supporting platform is arranged on the cabinet body, a supporting assembly is arranged on the supporting platform, and the supporting assembly is matched with the pressure assembly;
the recovery assembly is arranged inside the supporting platform and the cabinet body and is used for recovering the crushed blocks;
and the linkage assembly is arranged on the cabinet body and the bracket and used for controlling the recovery assembly to operate through the change of the motion state of the pressure assembly.
Preferably, the pressure assembly comprises:
the rotary table is rotationally connected to the support and is provided with an inner tooth socket;
the threaded shaft is arranged on one side of the rotary table, a threaded sleeve is arranged on the threaded shaft in a matched mode, and a pressing plate is arranged on the threaded sleeve;
the guide post is arranged on the supporting platform and is in sliding connection with the pressing plate;
and the driving assembly is arranged on the bracket and used for driving the turntable to rotate.
Preferably, the drive assembly comprises:
the telescopic rod is rotatably connected to the support and provided with a pull rod, the telescopic rod is provided with an installation plate, and the installation plate is provided with an output motor;
the first gear is arranged at the output end of the output motor, the mounting plate is rotatably connected with a second gear, and the first gear is meshed with the second gear;
third gear and fourth gear, rotate to be connected on the mounting panel, third gear and fourth gear respectively with first gear and second gear intermeshing, third gear and fourth gear and interior tooth's socket mutually support.
Preferably, the support assembly comprises:
the notch is formed in the supporting platform, and a supporting plate is rotatably connected to the inner wall of the notch;
the guide rod is installed inside the supporting platform, a toothed plate is arranged on the guide rod in a sliding mode, and the toothed plate is matched with the supporting plate and the recovery assembly.
Preferably, the recovery assembly comprises:
the rotating shaft is rotatably connected inside the supporting platform, a driving gear is mounted on the rotating shaft, and the driving gear is meshed with the toothed plate;
the linkage plates are arranged on the rotating shaft, and linkage belts are arranged between the linkage plates;
the recovery pipe is arranged inside the cabinet body, and one side of the recovery pipe is connected with a guide pipe.
Preferably, the linkage assembly comprises:
the support groove is mounted on the support, a sliding rod is mounted in the support groove, a sliding block is sleeved on the sliding rod in a sliding mode, and the telescopic rod is rotatably connected with the sliding block;
the rack is arranged on one side of the sliding block, a fifth gear is rotatably connected to the bracket, and the fifth gear is meshed with the rack;
the first bevel gear is arranged on the fifth gear, a first rotating shaft is arranged on the bracket, a second bevel gear is arranged on the first rotating shaft, and the first bevel gear and the second bevel gear are meshed with each other;
and the transmission assembly is arranged in the support table and is used for driving the driving gear to rotate through the rotation of the first rotating shaft.
Preferably, the transmission assembly comprises:
the second rotating shaft is rotatably connected inside the supporting platform, a first transmission belt is arranged between the first rotating shaft and the second rotating shaft, and a third bevel gear is mounted at one end of the second rotating shaft;
the fourth bevel gear is rotatably connected inside the supporting platform and is meshed with the third bevel gear;
and the control panel is installed on the driving gear, and a second transmission belt is arranged between the control panel and the fourth bevel gear.
The constant stress tensile testing machine provided by the embodiment of the invention has the following beneficial effects:
when the constant stress tensile testing machine is used, the pressure assembly is firstly placed in a starting state, the supporting assembly is closed at the moment, a concrete structure to be tested can be placed on the supporting assembly, and then the pressure assembly can descend under the driving action to carry out pressure test on the concrete structure;
after the pressure assembly is tested, the pressure assembly is controlled to run reversely, the movement of the pressure assembly controls the supporting assembly to be opened through the linkage assembly, and fragments placed on the supporting assembly can be discharged through the recovery assembly, so that the effect of automatic recovery is realized.
Drawings
Fig. 1 is a schematic structural diagram of a constant stress tension tester provided in an embodiment of the present invention;
fig. 2 is a schematic partial structural diagram 1 of a constant stress tensile testing machine according to an embodiment of the present invention;
fig. 3 is a schematic partial structural diagram 2 of a constant stress tensile testing machine according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
fig. 5 is a partially enlarged view of fig. 1 at B.
In the drawings: 1-a cabinet body; 2-a scaffold; 3-a pressure assembly; 31-a turntable; 32-internal tooth grooves; 33-a threaded shaft; 34-a threaded sleeve; 35-a press plate; 36-a guide post; 37-a telescopic rod; 38-a tie rod; 39-mounting plate; 310-output motor; 311-a first gear; 312-a second gear; 313-a third gear; 314-fourth gear; 4-supporting the platform; 5-a support assembly; 51-notches; 52-a support plate; 53-a guide bar; 54-toothed plate; 6-a recovery component; 61-a rotating shaft; 62-a drive gear; 63-a linkage disk; 64-a trace; 65-a recovery pipe; 66-a catheter; 7-a linkage assembly; 71-a support groove; 72-a slide bar; 73-a slide; 74-a rack; 75-fifth gear; 76-a first bevel gear; 77-a first shaft; 78-second bevel gear; 79-second rotating shaft; 710-a first conveyor belt; 711-third bevel gear; 712-a fourth bevel gear; 713-control panel; 714-a second conveyor belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, in the embodiment of the present invention, the constant stress tensile testing machine includes:
the cabinet comprises a cabinet body 1, wherein a bracket 2 is arranged on the cabinet body 1, and a pressure assembly 3 is arranged on the bracket 2;
the supporting platform 4 is installed on the cabinet body 1, a supporting component 5 is installed on the supporting platform 4, and the supporting component 5 is matched with the pressure component 3;
the recovery assembly 6 is arranged inside the supporting table 4 and the cabinet body 1, and the recovery assembly 6 is used for recovering the crushed blocks;
and the linkage assembly 7 is arranged on the cabinet body 1 and the bracket 2 and is used for controlling the recovery assembly 6 to operate through the motion state change of the pressure assembly 3.
When the constant stress tensile testing machine is used, the pressure component 3 is firstly placed in a starting state, the supporting component 5 is closed at the moment, a concrete structure to be tested can be placed on the supporting component 5, and then the pressure component 3 can descend under the driving action to carry out pressure test on the concrete structure;
after the pressure assembly 3 is controlled to reversely rotate after the test is finished, the movement of the pressure assembly 3 controls the supporting assembly 5 to be opened through the linkage assembly 7, and the fragments arranged on the supporting assembly 5 can be discharged through the recovery assembly 6, so that the effect of automatic recovery is realized.
As shown in fig. 1 to 5, in the embodiment of the present invention, the pressure assembly 3 includes:
the rotary table 31 is rotationally connected to the bracket 2, and an inner tooth groove 32 is formed in the rotary table 31;
the threaded shaft 33 is installed on one side of the rotary table 31, a threaded sleeve 34 is arranged on the threaded shaft 33 in a matched mode, and a pressing plate 35 is installed on the threaded sleeve 34;
the guide post 36 is installed on the supporting table 4, and the guide post 36 is connected with the pressing plate 35 in a sliding mode;
and the driving assembly is arranged on the bracket 2 and is used for driving the turntable 31 to rotate.
As shown in fig. 1 to 5, in the embodiment of the present invention, the driving assembly includes:
the telescopic rod 37 is rotatably connected to the support 2, a pull rod 38 is mounted on the telescopic rod 37, a mounting plate 39 is mounted on the telescopic rod 37, and an output motor 310 is arranged on the mounting plate 39;
a first gear 311 installed at the output end of the output motor 310, wherein a second gear 312 is rotatably connected to the mounting plate 39, and the first gear 311 and the second gear 312 are engaged with each other;
and a third gear 313 and a fourth gear 314 rotatably coupled to the mounting plate 39, wherein the third gear 313 and the fourth gear 314 are respectively engaged with the first gear 311 and the second gear 312, and the third gear 313 and the fourth gear 314 are engaged with the internal teeth groove 32.
When the pressure testing device is used, the output motor 310 is started, the output motor 310 can drive the third gear 313 and the fourth gear 314 to rotate in opposite directions through the first gear 311 and the second gear 312, the mounting plate 39 is driven to rotate through the control of the telescopic rod 37, the matching relation between the third gear 311 and the fourth gear 314 and the inner tooth groove 32 is switched, the effect of switching the rotating direction of the rotating disc 31 is achieved, and the pressing plate 35 is driven to ascend or descend through the matching relation between the threaded shaft 33 and the threaded sleeve 34 when the rotating disc 31 rotates, so that the pressure testing movement is achieved;
when the pressing plate 35 is pressed down, the position of the telescopic rod 37 controls the support component 5 to be closed through the linkage component 7, and when the pressing plate 35 is lifted up, the position of the telescopic rod 37 controls the support component 5 to be opened through the linkage component 7.
As shown in fig. 1 to 5, in the embodiment of the present invention, the support assembly 5 includes:
the notch 51 is arranged in the support table 4, and a support plate 52 is rotatably connected to the inner wall of the notch 51;
and the guide rod 53 is installed inside the supporting platform 4, a toothed plate 54 is arranged on the guide rod 53 in a sliding manner, and the toothed plate 54 is matched with the supporting plate 52 and the recovery assembly 6.
As shown in fig. 1 to 5, in the embodiment of the present invention, the recycling assembly 6 includes:
the rotating shaft 61 is rotatably connected inside the supporting table 4, a driving gear 62 is mounted on the rotating shaft 61, and the driving gear 62 is meshed with the toothed plate 54;
the linkage disc 63 is arranged on the rotating shaft 61, and a linkage belt 64 is arranged between the linkage disc 63;
and a recovery pipe 65 arranged inside the cabinet 1, wherein one side of the recovery pipe 65 is connected with a conduit 66.
As shown in fig. 1 to 5, in the embodiment of the present invention, the linkage assembly 7 includes:
the supporting groove 71 is mounted on the support 2, a sliding rod 72 is mounted inside the supporting groove 71, a sliding block 73 is slidably sleeved on the sliding rod 72, and the telescopic rod 37 is rotatably connected with the sliding block 73;
a rack 74 installed on one side of the slider 73, a fifth gear 75 rotatably connected to the bracket 2, and the fifth gear 75 and the rack 74 are engaged with each other;
a first bevel gear 76 mounted on the fifth gear 75, a first rotating shaft 77 mounted on the bracket 2, a second bevel gear 78 mounted on the first rotating shaft 77, and the first bevel gear 76 and the second bevel gear 78 being engaged with each other;
and a transmission assembly installed inside the support 4 for rotating the driving gear 62 by the rotation of the first rotating shaft 77.
As shown in fig. 1 to 5, in the embodiment of the present invention, the transmission assembly includes:
the second rotating shaft 79 is rotatably connected inside the supporting table 4, a first transmission belt 710 is arranged between the first rotating shaft 77 and the second rotating shaft 79, and a third bevel gear 711 is installed at one end of the second rotating shaft 79;
a fourth bevel gear 712 rotatably connected inside the support 4, wherein the fourth bevel gear 712 is engaged with the third bevel gear 711;
and a control disc 713 mounted on the driving gear 62, wherein a second transmission belt 714 is disposed between the control disc 713 and the fourth bevel gear 712.
When the compression plate 35 is lowered by rotating the telescopic rod 37, the rack 74 is driven to move by the sliding block 73, the fifth gear 75 is driven to rotate, the fifth gear 75 controls the first rotating shaft 77 to rotate by the first bevel gear 76, the second rotating shaft 79 is controlled to rotate by the first transmission belt 710, the driving gear 62 is controlled to rotate by the third bevel gear 711, the driving gear 62 is controlled to synchronously move by the linkage disk 63 and the linkage belt 64, the driving gear 62 controls the toothed plates 54 to approach each other and pushes the support plate 52 to rotate to the horizontal state, and at this time, the concrete structure can be placed on the support plate 52 for pressure test;
after the test is completed, the telescopic rod 37 can be driven to rotate, the pressing plate 35 is lifted by the pressing component 3, the telescopic rod 37 can drive the rack 74 to move reversely through the sliding block 73, other components are driven to move reversely, the support plate 52 is unfolded downwards, and fragments on the support plate 52 fall into the recovery pipe 65 and are discharged through the guide pipe 66, so that the recovery effect is realized.
In conclusion, when the constant stress tensile testing machine is used, the pressure component 3 is firstly placed in a starting state, then the supporting component 5 is closed, a concrete structure to be tested can be placed on the supporting component 5, and then the pressure component 3 descends under the driving action to carry out pressure test on the concrete structure;
after the pressure assembly 3 is controlled to reversely rotate after the test is finished, the movement of the pressure assembly 3 controls the supporting assembly 5 to be opened through the linkage assembly 7, and the fragments arranged on the supporting assembly 5 can be discharged through the recovery assembly 6, so that the effect of automatic recovery is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The constant stress tensile testing machine is characterized by comprising:
the cabinet body is provided with a support, and the support is provided with a pressure assembly;
the supporting platform is arranged on the cabinet body, a supporting assembly is arranged on the supporting platform, and the supporting assembly is matched with the pressure assembly;
the recovery assembly is arranged inside the supporting platform and the cabinet body and is used for recovering the crushed blocks;
and the linkage assembly is arranged on the cabinet body and the bracket and used for controlling the recovery assembly to operate through the change of the motion state of the pressure assembly.
2. The constant stress tensile testing machine of claim 1, wherein the pressure assembly comprises:
the rotary table is rotationally connected to the support and is provided with an inner tooth socket;
the threaded shaft is arranged on one side of the rotary table, a threaded sleeve is arranged on the threaded shaft in a matched mode, and a pressing plate is arranged on the threaded sleeve;
the guide post is arranged on the supporting platform and is in sliding connection with the pressing plate;
and the driving assembly is arranged on the bracket and used for driving the turntable to rotate.
3. The constant stress tensile testing machine of claim 2, wherein the drive assembly comprises:
the telescopic rod is rotatably connected to the support and provided with a pull rod, the telescopic rod is provided with an installation plate, and the installation plate is provided with an output motor;
the first gear is arranged at the output end of the output motor, the mounting plate is rotatably connected with a second gear, and the first gear is meshed with the second gear;
third gear and fourth gear, rotate to be connected on the mounting panel, third gear and fourth gear respectively with first gear and second gear intermeshing, third gear and fourth gear and interior tooth's socket mutually support.
4. The constant stress tensile testing machine of claim 3, wherein the support assembly comprises:
the notch is formed in the supporting platform, and a supporting plate is rotatably connected to the inner wall of the notch;
the guide rod is installed inside the supporting platform, a toothed plate is arranged on the guide rod in a sliding mode, and the toothed plate is matched with the supporting plate and the recovery assembly.
5. The constant stress tensile testing machine of claim 4, wherein the recovery assembly comprises:
the rotating shaft is rotatably connected inside the supporting platform, a driving gear is mounted on the rotating shaft, and the driving gear is meshed with the toothed plate;
the linkage plates are arranged on the rotating shaft, and linkage belts are arranged between the linkage plates;
the recovery pipe is arranged inside the cabinet body, and one side of the recovery pipe is connected with a guide pipe.
6. The constant stress tensile testing machine of claim 5, wherein the linkage assembly comprises:
the support groove is mounted on the support, a sliding rod is mounted in the support groove, a sliding block is sleeved on the sliding rod in a sliding mode, and the telescopic rod is rotatably connected with the sliding block;
the rack is arranged on one side of the sliding block, a fifth gear is rotatably connected to the bracket, and the fifth gear is meshed with the rack;
the first bevel gear is arranged on the fifth gear, a first rotating shaft is arranged on the bracket, a second bevel gear is arranged on the first rotating shaft, and the first bevel gear and the second bevel gear are meshed with each other;
and the transmission assembly is arranged in the support table and is used for driving the driving gear to rotate through the rotation of the first rotating shaft.
7. The constant stress tensile testing machine of claim 6, wherein the transmission assembly comprises:
the second rotating shaft is rotatably connected inside the supporting platform, a first transmission belt is arranged between the first rotating shaft and the second rotating shaft, and a third bevel gear is mounted at one end of the second rotating shaft;
the fourth bevel gear is rotatably connected inside the supporting platform and is meshed with the third bevel gear;
and the control panel is installed on the driving gear, and a second transmission belt is arranged between the control panel and the fourth bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548729.9A CN114235577B (en) | 2021-12-17 | 2021-12-17 | Constant stress tensile testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548729.9A CN114235577B (en) | 2021-12-17 | 2021-12-17 | Constant stress tensile testing machine |
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| CN114235577A true CN114235577A (en) | 2022-03-25 |
| CN114235577B CN114235577B (en) | 2024-02-13 |
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| CN113390738A (en) * | 2021-06-11 | 2021-09-14 | 湖北广福水泥制品有限公司 | Novel full-automatic compression testing machine |
| CN215065792U (en) * | 2021-07-01 | 2021-12-07 | 四川高朋工程检测有限公司 | Concrete compression testing machine convenient to overhaul |
| CN215115604U (en) * | 2020-12-10 | 2021-12-10 | 青岛海陆通工程质量检测有限公司 | Cement test block pressure testing machine |
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2021
- 2021-12-17 CN CN202111548729.9A patent/CN114235577B/en active Active
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| CN101271102A (en) * | 2008-05-06 | 2008-09-24 | 青岛理工大学 | Cement base material direct pulling stress corrosion instrument |
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| CN114235577B (en) | 2024-02-13 |
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