CN110608961A - Material resistance test system applied to building field - Google Patents
Material resistance test system applied to building field Download PDFInfo
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- CN110608961A CN110608961A CN201810616131.0A CN201810616131A CN110608961A CN 110608961 A CN110608961 A CN 110608961A CN 201810616131 A CN201810616131 A CN 201810616131A CN 110608961 A CN110608961 A CN 110608961A
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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
- G01N3/56—Investigating resistance to wear or abrasion
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- Life Sciences & Earth Sciences (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a material resistance testing system applied to the field of buildings, which comprises a bottom plate, a first adjusting plate, a second adjusting plate, a reverse-pulling device, a power device and a control device, wherein the bottom plate is provided with a first adjusting plate and a second adjusting plate; the four corners of the bottom plate are provided with wheels, rotating shafts of the wheels are rotatably connected to corresponding bearing seats through bearings, and the bearing seats are fixedly connected to the lower surface of the bottom plate through screws, so that the movable wheel type vehicle brake device can move, and meanwhile, the wheels are universal wheels with brake mechanisms; the side of motor is provided with the fan, and the casing of fan passes through connecting rod fixed connection on controlling means's shell surface, and the power supply line of fan passes through the switch and connects at controlling means's low-voltage output to realize the heat dissipation of motor. The invention has convenient movement and simple structure and can be used for various resistance tests.
Description
Technical Field
The invention relates to the field of buildings, in particular to a material resistance testing system applied to the field of buildings.
Background
The common sealant fatigue tester generally comprises a servo, a stretching mechanism and a control system, and can perform continuous cyclic fatigue tests of quick loading, unloading and reloading within a certain load range.
The existing sealant fatigue tester generally adopts a building sealant fatigue resistance testing device formed by transforming a universal testing machine, the structure of the device is complex, the size is large, the manufacturing cost is high, the use is complex, and an independent laboratory needs to be built for the device.
Disclosure of Invention
The present invention is directed to a material resistance testing system applied in the construction field to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a material resistance test system applied to the field of buildings comprises a bottom plate, a first adjusting plate, a second adjusting plate, a reverse pulling device, a power device and a control device; the upper surface of the base plate is a plane, the first adjusting plate and the second adjusting plate are adjacently placed on the upper surface of the base plate, and clamping positions for clamping the end part of the workpiece to be detected are respectively arranged at the adjacent positions of the first adjusting plate and the second adjusting plate; the reverse pulling device is arranged on the bottom plate and enables the second adjusting plate and the bottom plate to be relatively fixed; the power end of the power device is connected with the first adjusting plate, and the power device provides tension for the first adjusting plate and enables the first adjusting plate to do reciprocating motion far away from/close to the second adjusting plate relative to the base plate; the control device is in signal connection with the power device and is used for adjusting the frequency of the power device for providing tension to the first adjusting plate and recording the times of pulling the first adjusting plate by the power device; the four corners of the bottom plate are provided with wheels, rotating shafts of the wheels are rotatably connected to corresponding bearing seats through bearings, and the bearing seats are fixedly connected to the lower surface of the bottom plate through screws, so that the movable wheel type vehicle brake device can move, and meanwhile, the wheels are universal wheels with brake mechanisms; the side of motor is provided with the fan, and the casing of fan passes through connecting rod fixed connection on controlling means's shell surface, and the power supply line of fan passes through the switch and connects at controlling means's low-voltage output to realize the heat dissipation of motor.
As a further scheme of the invention: a group of clamping components are respectively arranged at the adjacent positions of the first adjusting plate and the second adjusting plate, and when the first adjusting plate and the second adjusting plate are tightly leaned together, the two groups of clamping components form an I-shaped clamping position; when the first adjusting plate and the second adjusting plate are tightly abutted, the end surfaces of the two groups of clamping assemblies are contacted with each other, and the clamping grooves in the two groups of clamping assemblies are communicated with each other; the bottom plate is provided with a sliding groove which is formed along the moving direction of the first adjusting plate and the second adjusting plate, and bearings are installed on the lower walls of the first adjusting plate and the second adjusting plate and embedded into the sliding groove.
As a further scheme of the invention: the clamping assembly comprises two clamping blocks which are opposite in position, and the side surface of each clamping block, which is opposite to the other clamping block in the same group, is provided with a concave clamping groove.
As a further scheme of the invention: the reverse pulling device comprises a locking seat, a tensioning screw and a spring, the locking seat is fixedly connected with the base, the upper end of the locking seat protrudes out of the upper surface of the base, a through hole is formed in the position, opposite to the second adjusting plate, of the locking seat, the tail of the tensioning screw penetrates through the through hole and is connected with the second adjusting plate, the spring is sleeved on the tensioning screw, and the spring is compressed and clamped between the locking seat and the head of the tensioning screw.
As a further scheme of the invention: two check blocks are fixedly installed on the bottom plate and are respectively located on the side face of the second adjusting plate, and the check blocks are used for preventing the second adjusting plate from sliding laterally.
As a further scheme of the invention: two side surfaces of the second adjusting plate are respectively provided with a retaining groove, the stop block is positioned in the retaining groove, and the length of the retaining groove along the sliding direction of the second adjusting plate is greater than that of the stop block along the sliding direction of the second adjusting plate.
As a further scheme of the invention: a support is arranged above the bottom plate in a spanning mode, the motor is placed on the support, the power end of the motor is perpendicular to the first adjusting plate, a cam is installed at the power end of the motor, and the circumferential surface of the cam is abutted to the first adjusting plate.
The beneficial effects of the invention are as follows: the invention has convenient movement and simple structure and can be used for various resistance tests.
Drawings
FIG. 1 is a schematic structural diagram of a building sealant fatigue resistance testing device of the present invention.
FIG. 2 is a schematic view of a second adjusting plate and a clamping block in the building sealant fatigue resistance testing apparatus of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, a material resistance testing system applied in the field of construction includes a base plate 700, a first adjusting plate 410, a second adjusting plate 420, a reverse pulling device, a power device, and a control device 200; the upper surface of the bottom plate 700 is a plane, the first adjusting plate 410 and the second adjusting plate 420 are adjacently placed on the upper surface of the bottom plate 700, and clamping positions for clamping the end part of a workpiece to be detected are respectively arranged at the adjacent positions of the first adjusting plate 410 and the second adjusting plate 420; the counter-pulling device is installed on the bottom plate 700 and fixes the second adjusting plate 420 and the bottom plate 700 relatively; a power end of a power device is connected with the first adjusting plate 410, and the power device provides a pulling force to the first adjusting plate 410 and makes the first adjusting plate 410 perform a reciprocating motion away from/close to the second adjusting plate 420 relative to the bottom plate 700; the control device 200 is connected to the power device by signals, and the control device 200 is used for adjusting the frequency of the power device providing the pulling force to the first adjusting plate 410 and recording the times of the power device pulling the first adjusting plate 410.
The wheels 800 are mounted at four corners of the bottom plate 700, rotating shafts of the wheels 800 are rotatably connected to corresponding bearing seats through bearings, and the bearing seats are fixedly connected to the lower surface of the bottom plate 700 through screws, so that the vehicle-mounted brake device can move, and meanwhile, the wheels 800 are universal wheels with brake mechanisms.
The upper surface of the base plate 700 is horizontal to maintain the first and second adjusting plates 410 and 420 and slide on the base plate 700, and the upper surfaces of the first and second adjusting plates 410 and 420 have clamping positions to be clamped with a workpiece to be tested in the clamping positions. In this embodiment, when the workpiece to be tested is mounted at the clamping position, the power device is started, the power device pulls the first adjusting plate 410 to pull the workpiece to be tested in a direction away from the second adjusting plate 420, and the reverse pulling device provides a reverse pulling force to the second adjusting plate 420, so that the workpiece to be tested is subjected to two forces with the same magnitude and opposite directions, namely, the force required by the building sealant fatigue resistance test. After the power device pulls the first adjusting plate 410 to a preset extreme position, the power device releases the first adjusting plate 410, the reverse pulling device positioned at the tail part of the second adjusting plate 420 pulls the second adjusting plate 420 to be pulled back, meanwhile, the sealant in the workpiece to be detected is recovered, and the first adjusting plate 410 is pulled back to be close to the initial position through the reverse pulling device and the recovery of the sealant.
The invention prepares a standard I-shaped sample according to the specification of GB/T13477.8-2002, the prepared sample is placed in a standard environment for 28d, the sample is arranged in a clamping block 430 after the maintenance is finished, and the corresponding tensile displacement is set according to the sealant grade of the test, if the sealant grade is 25 grades, the corresponding tensile length is 3 mm.
Two groups of clamping components are respectively arranged at the adjacent positions of the first adjusting plate 410 and the second adjusting plate 420, and when the first adjusting plate 410 and the second adjusting plate 420 are abutted together, the two groups of clamping components form an I-shaped clamping position. The clamping assembly includes two oppositely located clamping blocks 430, and the side of each clamping block 430 opposite to the other clamping block 430 in the same set has a concave clamping groove 433. When the first adjusting plate 410 and the second adjusting plate 420 are abutted together, the end surfaces of the two sets of clamping components contact each other, and the clamping grooves 433 of the two sets of clamping components penetrate each other.
The surface of the sealant in the workpiece to be tested is parallel to the first adjusting plate 410 and the second adjusting plate 420 in the opposite direction, so that the force generated by the test is kept perpendicular to the surface of the sealant. In this embodiment, the clamping grooves 433 of each group of clamping assemblies are oppositely formed, and the two opposite clamping grooves 433 accommodate one end of the workpiece to be tested, which is shaped like an i-letter "i", and clamp the end through the first protrusion 431 and the second protrusion 432. Through the cooperation of the clamping components on the second adjusting plate 420 of the first adjusting plate 410, the workpiece to be measured cannot slide laterally and cannot shake in the clamping position. In the I-shaped workpiece to be detected, the rod part with the sealant passes through the two groups of clamping components.
The first adjusting plate 410 is further provided with a displacement sensor, the displacement sensor is in signal connection with the control device 200, the displacement sensor can detect the displacement of the first adjusting plate 410, when the sealant fails, the displacement sensor can detect the change caused by the failure of the sealant, namely, the test is automatically stopped, and the reading of the counter at the moment is recorded, namely, the fatigue resistance of the sealant is obtained.
The control device 200 includes a switch adjusting box 210 and a counter module 220, and the switch adjusting box 210 has a function of adjusting the frequency of the reciprocating motion of the first adjusting plate 410 driven by the power module and a function of controlling the on/off timing of the power module. The counter module 220 may record the number of times the first adjusting plate 410 reciprocates.
The scotch fox back-pull device comprises a locking seat 510, a tensioning screw 520 and a spring, wherein the locking seat 510 is fixedly connected with a base, the upper end of the locking seat 510 protrudes out of the upper surface of the base, a through hole is formed in the position, opposite to the second adjusting plate 420, of the locking seat 510, the tail of the tensioning screw 520 penetrates through the through hole and is connected with the second adjusting plate 420, the spring is sleeved on the tensioning screw 520, and the spring is compressed and clamped between the locking seat 510 and the head of the tensioning screw 520.
Specifically, the reverse pulling apparatus provides a reverse pulling force by a spring that applies a force to the tightening screw 520 in a direction away from the first adjustment plate 410, i.e., such that the second adjustment plate 420 has a tendency to move away from the first adjustment plate 410. In the experimental process, the counter-pulling device is matched with the power device, so that the sealant of the workpiece to be tested always receives pulling force with equal magnitude and opposite direction.
Two stoppers 600 are fixedly mounted on the bottom plate 700, the two stoppers 600 are respectively located at the side surfaces of the second adjustment plate 420, and the stoppers 600 are used for preventing the second adjustment plate 420 from sliding laterally.
Two side surfaces of the second adjusting plate 420 are respectively provided with a retaining groove 421, the stopper 600 is located in the retaining groove 421, and the length of the retaining groove 421 along the sliding direction of the second adjusting plate 420 is greater than the length of the stopper 600 along the sliding direction of the second adjusting plate 420. At this time, the blocking slot 421 also has the function of limiting the sliding distance of the second adjusting plate 420.
A bracket is spanned above the bottom plate 700, the motor 100 is placed on the bracket, the rotating shaft of the motor 100 is perpendicular to the first adjusting plate 410, a cam is mounted on the rotating shaft of the motor 100, and the circumferential surface of the cam abuts against the first adjusting plate 410.
The fan 910 is arranged on the side face of the motor 100, the shell of the fan 910 is fixedly connected to the surface of the shell of the control device 200 through the connecting rod 900, and the power supply line of the fan 910 is connected to the low-voltage output end of the control device 200 through a switch, so that the heat dissipation of the motor is realized, and the problem that the precision is poor due to overheating of the motor in the pressure testing process is avoided.
The bottom plate 700 both sides have the side backup pad 310 respectively, the height of side backup pad 310 is higher than first regulating plate 410 and second regulating plate 420, stride above the support frame and be equipped with controlling means fixed plate 320 and motor fixed plate 330, controlling means fixed plate 320 the place ahead has a breach, so that the axis of rotation of motor 100 passes this breach and is connected with first regulating plate 410, the cam is installed to the axis of rotation of motor 100, the rotation end rotation of motor 100 drives the cam and rotates, can drive first regulating plate 410 through cam circulation action and slide. In other embodiments, the rotating end of the motor 100 may drive the first adjusting plate 410 to slide back and forth through a gear set. Electrical equipment such as a detector can be placed on the mounting frame 340.
The base plate 700 has a sliding groove formed along the moving direction of the first and second adjusting plates 410 and 420, and a bearing is installed on the lower walls of the first and second adjusting plates 410 and 420 and inserted into the sliding groove. The sliding direction of the first adjusting plate 410 and the second adjusting plate 420 can only slide in the branch line direction by the opening direction of the sliding groove, and the sliding direction of the first adjusting plate 410 and the second adjusting plate 420 is further limited.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. A material resistance test system applied to the field of buildings comprises a bottom plate, a first adjusting plate, a second adjusting plate, a reverse pulling device, a power device and a control device; the upper surface of the base plate is a plane, the first adjusting plate and the second adjusting plate are adjacently placed on the upper surface of the base plate, and clamping positions for clamping the end part of the workpiece to be detected are respectively arranged at the adjacent positions of the first adjusting plate and the second adjusting plate; the reverse pulling device is arranged on the bottom plate and enables the second adjusting plate and the bottom plate to be relatively fixed; the power end of the power device is connected with the first adjusting plate, and the power device provides tension for the first adjusting plate and enables the first adjusting plate to do reciprocating motion far away from/close to the second adjusting plate relative to the base plate; the control device is in signal connection with the power device and is used for adjusting the frequency of the tension provided by the power device to the first adjusting plate and recording the times of pulling the first adjusting plate by the power device; the side of motor is provided with the fan, and the casing of fan passes through connecting rod fixed connection on controlling means's shell surface, and the power supply line of fan passes through the switch and connects at controlling means's low-voltage output to realize the heat dissipation of motor.
2. The system for testing material resistance in the building field according to claim 1, wherein a set of clamping components are respectively installed at the adjacent positions of the first adjusting plate and the second adjusting plate, and when the first adjusting plate and the second adjusting plate are abutted together, the two sets of clamping components form an I-shaped clamping position; when the first adjusting plate and the second adjusting plate are tightly abutted, the end surfaces of the two groups of clamping assemblies are contacted with each other, and the clamping grooves in the two groups of clamping assemblies are communicated with each other; the bottom plate is provided with a sliding groove which is formed along the moving direction of the first adjusting plate and the second adjusting plate, and bearings are installed on the lower walls of the first adjusting plate and the second adjusting plate and embedded into the sliding groove.
3. The system for testing material resistance in building fields according to claim 1, wherein the clamping assembly comprises two oppositely located clamping blocks, each clamping block having a concave clamping groove on a side opposite to the other clamping block of the same set.
4. The system for testing material resistance in the field of construction according to claim 1, wherein the counter-pulling device comprises a locking seat, a tightening screw and a spring, the locking seat is fixedly connected with the base, the upper end of the locking seat protrudes out of the upper surface of the base, a through hole is formed at the position of the locking seat opposite to the second adjusting plate, the tail of the tightening screw passes through the through hole and is connected with the second adjusting plate, the spring is sleeved on the tightening screw, and the spring is compressed and clamped between the locking seat and the head of the tightening screw.
5. The system for testing material resistance in building fields according to claim 1, wherein two stoppers are fixedly installed on the base plate and located at the side of the second adjusting plate, respectively, and the stoppers are used for preventing the second adjusting plate from sliding laterally.
6. The system for testing material resistance as claimed in claim 1, wherein the second adjustment plate has a blocking groove formed on each of two side surfaces thereof, the stopper is disposed in the blocking groove, and the blocking groove is formed along a sliding direction of the second adjustment plate to have a length greater than that of the stopper.
7. The system for testing material resistance applied to the construction field according to claim 1, wherein a bracket is spanned above the base plate, the motor is placed on the bracket, a power end of the motor is perpendicular to the first adjusting plate, and a cam is mounted on the power end of the motor, and a circumferential surface of the cam abuts against the first adjusting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810616131.0A CN110608961A (en) | 2018-06-14 | 2018-06-14 | Material resistance test system applied to building field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810616131.0A CN110608961A (en) | 2018-06-14 | 2018-06-14 | Material resistance test system applied to building field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110608961A true CN110608961A (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810616131.0A Pending CN110608961A (en) | 2018-06-14 | 2018-06-14 | Material resistance test system applied to building field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110608961A (en) |
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2018
- 2018-06-14 CN CN201810616131.0A patent/CN110608961A/en active Pending
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191224 |
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| WD01 | Invention patent application deemed withdrawn after publication |