CN216247556U - Automatic bending resistance testing machine - Google Patents

Automatic bending resistance testing machine Download PDF

Info

Publication number
CN216247556U
CN216247556U CN202122664208.1U CN202122664208U CN216247556U CN 216247556 U CN216247556 U CN 216247556U CN 202122664208 U CN202122664208 U CN 202122664208U CN 216247556 U CN216247556 U CN 216247556U
Authority
CN
China
Prior art keywords
platform
laboratory bench
automatic bending
fixed mounting
spout
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202122664208.1U
Other languages
Chinese (zh)
Inventor
车波
刘志强
方家雷
马颖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Construction Engineering Group Bengbu Building Materials Co ltd
Original Assignee
Anhui Construction Engineering Group Bengbu Building Materials Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Construction Engineering Group Bengbu Building Materials Co ltd filed Critical Anhui Construction Engineering Group Bengbu Building Materials Co ltd
Priority to CN202122664208.1U priority Critical patent/CN216247556U/en
Application granted granted Critical
Publication of CN216247556U publication Critical patent/CN216247556U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The application discloses automatic bending resistance testing machine relates to concrete bending resistance test's technical field, including laboratory bench and loading platform, and fixed mounting has the support column between loading platform and the laboratory bench, the collecting box is installed to the laboratory bench below, install the unloading baffle perpendicularly on the laboratory bench, fixed mounting has a pair of supporting leg on the laboratory bench, fixed mounting has rectangular frame between a pair of supporting leg, rotate through the pivot in the rectangular frame and be connected with and place the platform, place and install fixed subassembly in the platform, the loading platform rotates and is connected with the drive sleeve, drive sleeve female connection has the lead screw, the briquetting is installed to the lower extreme of lead screw, the briquetting center is located the same axis with fixed subassembly center. This application is fixed the concrete piece on placing the platform through fixed subassembly, and the telescopic rotary work of drive becomes the straight line work that removes the lead screw and remove with pivoted first band pulley, carries out the bending test, reduces the deviation of concrete atress, improves the accuracy of experimental result.

Description

Automatic bending resistance testing machine
Technical Field
The application relates to the technical field of concrete bending tests, in particular to an automatic bending test machine.
Background
In the fields of construction, municipal engineering and the like, concrete is the most common material, and the compression strength, the tensile strength and the deformation are important material properties of the concrete, particularly in the municipal engineering, the tensile strength of the concrete is an important index for controlling the quality of a concrete structure. In actual work, a concrete direct tensile loading mode is not easy to realize, and a bending test and a split-draw test are usually adopted as alternative methods for evaluating the tensile property of concrete. At present, most of concrete bending tests are carried out on a concrete pressure tester.
The existing concrete test piece is placed by a worker, when the test is carried out, the center of the concrete test piece needs to be aligned to the center of the lower loading unit, but the center of the concrete test piece is aligned in a manual observation mode, so that the center of the concrete test piece is difficult to correspond to the center of the lower loading unit, and the test data are prone to deviation.
SUMMERY OF THE UTILITY MODEL
In order to solve the center of concrete sample and hardly correspond with the center of loading unit down, easily lead to the problem that experimental data goes wrong, this application provides an automatic bending test machine.
The application provides an automatic bending test machine adopts following technical scheme:
the utility model provides an automatic anti-bending testing machine, includes laboratory bench and loading platform, the loading platform is located the laboratory bench top, and fixed mounting has the support column between loading platform and the laboratory bench, the collecting box is installed to the laboratory bench below, laboratory bench top fixed mounting has a pair of supporting leg, and is a pair of fixed mounting has rectangular frame between the supporting leg, it places the platform to rotate to be connected with through the pivot in the rectangular frame, place and install fixed subassembly in the platform, the loading platform rotates and is connected with the drive sleeve, drive sleeve female connection has the lead screw, the briquetting is installed to the lower extreme of lead screw, the briquetting center is located the same axis with fixed subassembly center.
Through adopting above-mentioned technical scheme, drive the lead screw through the drive sleeve that sets up and descend, because briquetting center and fixed subassembly center are located the same axis, reduce the deviation of concrete atress, improve the accuracy of experimental result.
Optionally, a first belt pulley is coaxially installed on the driving sleeve, a motor is installed on the loading platform, a second belt pulley is coaxially installed at the output end of the motor, and the first belt pulley and the second belt pulley are in transmission connection through a belt.
Optionally, the cover is equipped with the torsional spring on one side of pivot, the both ends of torsional spring are connected with rectangular frame and place the platform respectively, the opposite side of pivot runs through the supporting leg, and the pivot runs through the one end of supporting leg and installs the knob.
Optionally, place the inside cavity structure that is of platform, fixed subassembly includes and places the inside main shaft that is connected that rotates of platform, coaxial arrangement has the carousel on the main shaft, place the bench and seted up the spout along circumference equidistance, the inside cavity of placing the platform is linked together with the spout, arbitrary place the sliding connection in the spout of bench has the spout seat, fixed mounting has the piece of support on the spout seat, one side that the spout seat is close to the carousel is provided with first tooth, one side that the carousel is close to the spout seat is provided with the thread circle, the spout seat is through first tooth meshing on the thread circle.
Optionally, one side of the placing table is rotatably connected with a rotating shaft through a shaft seat, an adjusting knob is installed at one end of the rotating shaft, a gear is installed at the other end of the rotating shaft, a second tooth is vertically installed on the side, deviating from the threaded ring, of the turntable, and the second tooth is connected with the gear in a meshed mode.
Optionally, the two sides of the experiment table are rotatably connected with a rotary drum, the rotary drum is connected with a threaded rod in an internal thread mode, and a balancing weight is installed at one end, located in the collecting box, of the threaded rod.
Optionally, a drawer is slidably mounted on the collecting box, and a handle is mounted on the drawer through a bolt.
Optionally, a blanking baffle is vertically arranged on the experiment table, the blanking baffle is communicated with the collecting box, and the lower surface of the collecting box is provided with a rubber non-slip mat.
In summary, the present application includes at least one of the following benefits:
1. an experimenter rotates an adjusting button, the adjusting button drives a gear to rotate through a rotating shaft, a second tooth is meshed with the gear to drive a rotary table to rotate, when the rotary table rotates, the sliding groove seat is meshed with a threaded ring to enable the sliding groove seat to move forward or backward together, a concrete block is fixed at the center of a placing table, an output end of a motor drives a second belt wheel to rotate, the first belt wheel is connected with the second belt wheel through a belt in a transmission mode, the first belt wheel rotates, the rotating first belt wheel changes the rotating work of a driving sleeve into the linear work of moving a screw rod, an anti-bending test is carried out, the stress deviation of concrete is reduced, and the accuracy of an experimental result is improved;
2. the two sides of the experiment table are rotatably connected with rotary drums, anti-skid threads are arranged on the rotary drums, threaded rods are connected with the inner threads of the rotary drums, balancing weights are mounted at one ends, located in the collecting box, of the threaded rods, the rotary drums are rotated to enable the threaded rods to drive the balancing weights to descend, the gravity center of the device is lowered, the device is stable, rubber non-slip pads are mounted on the lower surface of the collecting box, the stability of the device is further enhanced through the non-slip pads, and the experiment precision is improved;
3. the laboratory technician drives through rotatory knob and places the platform rotation, and the clearance residue drives through the elasticity of torsional spring and places platform automatic re-setting, carries out the experiment next time, and the drawer is used for accepting the concrete fragment that falls, convenient centralized processing.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present embodiment;
FIG. 3 is a schematic structural diagram of a fixing member according to the present embodiment;
fig. 4 is a schematic structural diagram of the counterweight of the present embodiment.
Description of reference numerals: 1. a laboratory bench; 2. a loading table; 3. a support pillar; 4. a collection box; 5. a blanking baffle; 6. supporting legs; 7. a rectangular frame; 8. a placing table; 801. a chute; 9. a torsion spring; 10. a knob; 11. a drive sleeve; 12. a screw rod; 13. briquetting; 14. a first pulley; 15. a motor; 16. a second pulley; 17. a main shaft; 18. a turntable; 19. a chute seat; 20. a resisting block; 21. a first tooth; 22. a thread ring; 23. a rotating shaft; 24. a gear; 25. a second tooth; 26. a threaded rod; 27. a balancing weight; 28. a drawer; 29. a handle; 30. a non-slip mat; 31. a rotating drum; 32. an adjusting knob.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Example (b):
the embodiment of the application discloses an automatic bending test machine. Please refer to fig. 1 and 2, which include an experiment table 1 and a loading table 2, the loading table 2 is located above the experiment table 1, a support column 3 is fixedly installed between the loading table 2 and the experiment table 1, a collection box 4 is installed below the experiment table 1 for collecting broken concrete residues, a blanking baffle 5 is vertically installed on the experiment table 1, the blanking baffle 5 is in a horn shape with a large top and a small bottom, and is convenient for collecting broken concrete residues, the blanking baffle 5 is communicated with the collection box 4, so that concrete falls into the collection box 4. Fixed mounting has a pair of supporting leg 6 on the laboratory bench 1, and a pair of supporting leg 6 is located the both sides of unloading baffle 5, and fixed mounting has rectangular frame 7 between a pair of supporting leg 6, rotates through the pivot in the rectangular frame 7 to be connected with and places platform 8, and when the experiment, the concrete piece is placed on placing platform 8, and the upset that platform 8 was placed to broken concrete residue accessible after the experiment falls into collecting box 4, accomplishes once and clears up. Place and install fixed subassembly in the platform 8, so that fix the concrete piece in the center department of placing platform 8, loading platform 2 rotates and is connected with driving sleeve 11, driving sleeve 11 internal thread is connected with lead screw 12, briquetting 13 is installed to the lower extreme of lead screw 12, briquetting 13 center is located the same axis with the fixed subassembly center, install the hood that is used for spacingly in the upper end of lead screw 12, both sides fixed mounting at the hood has a pair of slide bar, sliding connection between slide bar and loading platform 2, through rotary driving sleeve 11, because lead screw 12 is by a pair of slide bar restraint rotation degree, thereby drive lead screw 12 through driving sleeve 11 and descend, because briquetting 13 center is located the same axis with the fixed subassembly center, reduce the deviation of concrete atress, improve the accuracy of experimental result.
Specifically, referring to fig. 1, a first belt pulley 14 is coaxially installed on a driving sleeve 11, a motor 15 is installed on a loading table 2, a second belt pulley 16 is coaxially installed at an output end of the motor 15, the first belt pulley 14 is in transmission connection with the second belt pulley 16 through a belt, the output end of the motor 15 drives the second belt pulley 16 to rotate, and the first belt pulley 14 rotates due to the fact that the first belt pulley 14 is in transmission connection with the second belt pulley 16 through the belt, so that the rotating first belt pulley 14 changes the rotating work of the driving sleeve 11 into the linear work of the moving screw 12 to perform the anti-bending test.
Specifically, please refer to fig. 2, one side cover of pivot is equipped with torsional spring 9, rectangular frame 7 with place the platform 8 and link together at the both ends of torsional spring 9, the opposite side of pivot runs through out supporting leg 6, and the pivot runs through out the one end of supporting leg 6 and installs knob 10, the experimenter drives through rotatory knob 10 and places the platform 8 rotatory, the clearance residue drives through the elasticity of torsional spring 9 and places platform 8 automatic re-setting, carries out the experiment next time.
Specifically, please refer to fig. 1 and 3, the inside of the placing table 8 is a cavity structure, the fixing component includes a main shaft 17 rotatably connected with the inside of the placing table 8, a turntable 18 is coaxially installed on the main shaft 17, sliding grooves 801 are equidistantly formed in the placing table 8 along the circumferential direction, the sliding grooves 801 in the placing table 8 are communicated with the internal cavity, a sliding groove seat 19 is slidably connected in the sliding groove 801 of any placing table 8, a resisting block 20 is fixedly installed on the sliding groove seat 19, a first tooth 21 is arranged on one side of the sliding groove seat 19 close to the turntable 18, a threaded ring 22 is arranged on one side of the turntable 18 close to the sliding groove seat 19, the sliding groove seat 19 is engaged with the threaded ring 22 through the first tooth 21, and when the turntable 18 rotates, the sliding groove seats 19 and the threaded ring 22 are engaged and connected to enable the sliding groove seats 19 to advance or retreat together, thereby ensuring that the concrete block is always located at the center of the placing table 8.
Specifically, please refer to fig. 3, in order to make the turntable 18 rotate, one side of the placing table 8 is connected with a rotating shaft 23 through a shaft seat in a rotating manner, an adjusting button 32 is installed at one end of the rotating shaft 23, a gear 24 is installed at the other end of the rotating shaft 23, a second tooth 25 is vertically installed on one side of the turntable 18 departing from the threaded ring 22, the second tooth 25 is engaged with the gear 24, the adjusting button 32 is rotated by an experimenter, the adjusting button 32 drives the gear 24 to rotate through the rotating shaft 23, because the second tooth 25 is engaged with the gear 24, the turntable 18 is driven to rotate, and power is provided for clamping the abutting block 20.
Specifically, please refer to fig. 1 and 4, the two sides of the experiment table 1 are rotatably connected with the rotating drum 31, the rotating drum 31 is provided with anti-skid lines, the rotating drum 31 is internally connected with the threaded rod 26, the end of the threaded rod 26 located in the collecting box 4 is provided with the balancing weight 27, and due to the gravity of the balancing weight 27, the rotating drum 31 rotates the threaded rod 26 to drive the balancing weight 27 to descend, so that the gravity center of the device is lowered, and the device is more stable.
Specifically, referring to fig. 1, a drawer 28 is slidably mounted on the collecting box 4, the drawer 28 is used for receiving fallen concrete fragments for convenient centralized processing, and a handle 29 is mounted on the drawer 28 through a bolt.
Specifically, referring to fig. 1, the lower surface of the collection box 4 is provided with a rubber mat 30, and the rubber mat 30 further reinforces the stability of the device and improves the experimental precision.
The implementation principle of plastering instrument for construction of this application embodiment is:
when the concrete block placing device is used, a concrete block is placed on the placing table 8, an experimenter rotates the adjusting button 32, the adjusting button 32 drives the gear 24 to rotate through the rotating shaft 23, the second teeth 25 are meshed with the gear 24 to drive the rotating disc 18 to rotate, when the rotating disc 18 rotates, the sliding groove seats 19 are driven to advance or retreat together through the meshing connection between the sliding groove seats 19 and the threaded rings 22, the concrete block is fixed at the center of the placing table 8, the output end of the motor 15 drives the second belt wheel 16 to rotate, the first belt wheel 14 rotates due to the fact that the first belt wheel 14 is connected with the second belt wheel 16 through belt transmission, the rotating first belt wheel 14 changes the rotating work of the driving sleeve 11 into the linear work of moving the screw rod 12 to perform anti-folding test, after the experiment is finished, the experimenter drives the placing table 8 to rotate through the rotating knob 10 to clean residues, the placing table 8 is driven to automatically reset through the elasticity of the torsion spring 9, the next experiment was performed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an automatic bending test machine, includes laboratory bench (1) and loading platform (2), loading platform (2) are located laboratory bench (1) top, and fixed mounting has support column (3), its characterized in that between loading platform (2) and laboratory bench (1): collecting box (4) are installed to laboratory bench (1) below, laboratory bench (1) top fixed mounting has a pair of supporting leg (6), and is a pair of fixed mounting has rectangular frame (7) between supporting leg (6), it places platform (8) to rotate to be connected with through the pivot in rectangular frame (7), place and install fixed subassembly in platform (8), loading platform (2) rotate and are connected with driving sleeve (11), driving sleeve (11) female connection has lead screw (12), briquetting (13) are installed to the lower extreme of lead screw (12), briquetting (13) center and fixed subassembly center are located the same axis.
2. An automatic bending tester according to claim 1, characterized in that: the loading device is characterized in that a first belt wheel (14) is coaxially installed on the driving sleeve (11), a motor (15) is installed on the loading platform (2), a second belt wheel (16) is coaxially installed at the output end of the motor (15), and the first belt wheel (14) is in transmission connection with the second belt wheel (16) through a belt.
3. An automatic bending tester according to claim 1, characterized in that: the cover is equipped with torsional spring (9) on one side of pivot, the both ends of torsional spring (9) are connected with rectangular frame (7) and place platform (8) respectively, supporting leg (6) are run through out to the opposite side of pivot, and the pivot runs through out the one end of supporting leg (6) and installs knob (10).
4. An automatic bending tester according to claim 1, characterized in that: place inside cavity structure that is of platform (8), fixed subassembly includes and places main shaft (17) that platform (8) internal rotation is connected, coaxial arrangement has carousel (18) on main shaft (17), place and seted up spout (801) along circumference equidistance on platform (8), the inside cavity of placing platform (8) is linked together with spout (801), arbitrary place spout (801) on platform (8) sliding connection have spout seat (19), fixed mounting has on spout seat (19) and supports piece (20), one side that spout seat (19) are close to carousel (18) is provided with first tooth (21), one side that carousel (18) are close to spout seat (19) is provided with screw thread circle (22), spout seat (19) are through first tooth (21) meshing on screw thread circle (22).
5. An automatic bending tester according to claim 4, characterized in that: one side of the placing table (8) is connected with a rotating shaft (23) in a rotating mode through a shaft seat, an adjusting button (32) is installed at one end of the rotating shaft (23), a gear (24) is installed at the other end of the rotating shaft (23), a second tooth (25) is vertically installed on one face, deviating from the threaded ring (22), of the rotary disc (18), and the second tooth (25) is meshed with the gear (24).
6. An automatic bending tester according to claim 1, characterized in that: the both sides of laboratory bench (1) are rotated and are connected with rotary drum (31), rotary drum (31) female connection has threaded rod (26), balancing weight (27) are installed to the one end that threaded rod (26) are located collecting box (4).
7. An automatic bending tester according to claim 1, characterized in that: a drawer (28) is slidably mounted on the collecting box (4), and a handle (29) is mounted on the drawer (28) through a bolt.
8. An automatic bending tester according to claim 1, characterized in that: the automatic feeding device is characterized in that a blanking baffle (5) is vertically arranged on the experiment table (1), the blanking baffle (5) is communicated with the collecting box (4), and an anti-slip pad (30) made of rubber is arranged on the lower surface of the collecting box (4).
CN202122664208.1U 2021-11-01 2021-11-01 Automatic bending resistance testing machine Active CN216247556U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122664208.1U CN216247556U (en) 2021-11-01 2021-11-01 Automatic bending resistance testing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122664208.1U CN216247556U (en) 2021-11-01 2021-11-01 Automatic bending resistance testing machine

Publications (1)

Publication Number Publication Date
CN216247556U true CN216247556U (en) 2022-04-08

Family

ID=80995075

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122664208.1U Active CN216247556U (en) 2021-11-01 2021-11-01 Automatic bending resistance testing machine

Country Status (1)

Country Link
CN (1) CN216247556U (en)

Similar Documents

Publication Publication Date Title
CN100575914C (en) A kind of constant Loading tension-compression test machine
CN211453189U (en) Insulating rod torsion testing machine
CN102183456B (en) Digitally displayed automatic adhesive force instrument
CN216247556U (en) Automatic bending resistance testing machine
CN211247410U (en) Automatic detection equipment for circular runout of worm shaft end
CN106017888B (en) A kind of semifloating axle shaft rotary bending fatigue bench test device
CN211043007U (en) Pump cover wearability detects auxiliary assembly
CN210036772U (en) Safe efficient electronic product detection device
CN110440660A (en) A kind of fly wheel assembly jitter detection apparatus of multi-angle
CN108152144B (en) Force application detection device and force application test method
CN210347083U (en) High-precision spring fatigue testing device
CN109974991A (en) A kind of building engineering quality supervision scaffold clasp testing machine
CN109799188A (en) A kind of glass curtain wall degumming detection device and its detection method
CN208736321U (en) A kind of photovoltaic welding belt warped degree measuring device
CN216350033U (en) Tensile test device for building material detection
CN216560588U (en) Soil detection system with weighing function
CN214622242U (en) Accurate yarn twist instrument
CN215812014U (en) Cement compression testing machine
CN215177382U (en) Torsional spring comparator calibrating device
CN210221687U (en) Electronic universal testing machine
CN211384638U (en) Extreme pressure lubricating instrument
CN215525327U (en) Concrete building block strength detection device
CN210639019U (en) Anti-splashing universal material testing machine
CN210269388U (en) Universal testing machine
CN216560708U (en) Probe card detection device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant