CN115326598A - Scaffold fastener torsional rigidity performance test device - Google Patents
Scaffold fastener torsional rigidity performance test device Download PDFInfo
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- CN115326598A CN115326598A CN202211256377.4A CN202211256377A CN115326598A CN 115326598 A CN115326598 A CN 115326598A CN 202211256377 A CN202211256377 A CN 202211256377A CN 115326598 A CN115326598 A CN 115326598A
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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
- G01N3/26—Investigating twisting or coiling properties
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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
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Abstract
The invention relates to the technical field of scaffold fastener tests, and particularly discloses a scaffold fastener torsional rigidity performance test device which comprises a rack, wherein the top of the rack is connected with a stand through a support piece, the middle of the top of the stand is fixedly connected with a fixed seat, a stand-mounting piece is arranged at the top of the fixed seat, a support rod penetrates through and is inserted into the inner side of the stand-mounting piece, clamping pieces are arranged on the outer sides of two ends of the support rod respectively, a disc fastener is arranged between the clamping pieces, a steel pipe is sleeved on the inner side of the disc fastener, sliding pieces are arranged at the top of the stand and close to two sides of the fixed seat respectively, and torsional pressing mechanisms are arranged at the tops of the sliding pieces respectively.
Description
Technical Field
The invention relates to the technical field of scaffold fastener tests, and particularly discloses a scaffold fastener torsional rigidity performance test device.
Background
Conventional scaffold fasteners for buildings generally have various types such as right-angle fasteners, rotating fasteners, butt fasteners, and disk fasteners.
Scaffold frame needs certain stability when putting up as bearing structure, consequently, it should intensity be higher also to put up the fastener of use, it is comparatively stable, consequently, we can carry out capability test to this fastener, and the fastener to the dish knot formula can carry out torsional rigidity test to it when using, in the time of practical use, the dish fastener can be because of the reason of gravity, use intensity can change to some extent, for more reasonable performance test that carries out, need simulate out the capability test who carries out the adaptation to the dish fastener atress condition of different homonymies under different scenes, this effect can not be accomplished to current device, consequently, experimental data can not regard as unified standard.
Disclosure of Invention
The invention aims to solve the defects in the background art, and provides a test device for testing the torsional rigidity performance of a scaffold fastener.
In order to achieve the above purpose, the invention provides a scaffold fastener torsional rigidity performance test device, which comprises a rack, wherein the top of the rack is connected with a stand through a support piece, the middle of the top of the stand is fixedly connected with a fixed seat, a stand-mounting piece is arranged on the top of the fixed seat, a support rod penetrates through and is inserted into the inner side of the stand-mounting piece, clamping pieces are arranged on the outer sides of two ends of the support rod, a disc fastener is arranged between the clamping pieces, a steel pipe is sleeved on the inner side of the disc fastener, sliders are arranged on the top of the stand and close to two sides of the fixed seat, and torsional pressing mechanisms are arranged on the tops of the sliders.
Preferably, the support member comprises L-shaped seats respectively installed at the tops of the two ends of the frame, and the stand is installed between the two sets of L-shaped seats.
Preferably, the frame dress spare includes the testing machine body of fixed mounting at the fixing base top, the top fixedly connected with U-shaped seat of testing machine body, the bracing piece runs through the inboard of installing at the U-shaped seat, the equal fixedly connected with in U-shaped seat both ends top supports the platform.
Preferably, the screens piece is including the seat that moves of equal slidable mounting in bracing piece one end outside, it has the screw thread round pin just to move the inboard top position threaded connection that just is close to of seat, just screw thread round pin bottom offsets with the bracing piece surface, the universal joint is installed in the screw thread round pin one end outside, the one end fixedly connected with arc that the screw thread round pin was kept away from to the universal joint is buckled, the arc is buckled the inner wall and is laminated in the outside of dish fastener.
Preferably, the slider is all including installing the slide rail in pallet one end both sides respectively, and is two sets of multiunit card hole has all been seted up to the slide rail upper surface, and is two sets of the slide rail outside sliding connection has two sets of slides, four groups the slide top is connected with the base jointly, the base upper surface just is close to the equal vertical guide arm that is connected with of corner, four the guide arm top is connected with the fixed plate jointly, turn round and press the mechanism setting in the middle of the fixed plate top.
Preferably, the twisting mechanism comprises a hydraulic cylinder fixedly installed in the middle of the top of the fixed plate, the telescopic end of the hydraulic cylinder is fixedly connected with a movable seat, the bottom end of the movable seat is fixedly connected with a pressing seat, and the movable seat slides outside the four guide rods together.
Preferably, the outer edges of two ends of one side of the base are respectively and fixedly connected with connecting blocks, bayonet locks are movably inserted in the inner sides of the two groups of connecting blocks, and the bayonet locks in corresponding positions are inserted in the bayonet holes in the corresponding positions.
Preferably, the base top one side fixedly connected with T shape seat, T shape seat one end top fixedly connected with erects the frame, erect and seted up the spout in the middle of the inboard, the inside sliding connection of spout has to support the pole, support pole both ends below all to be provided with the fixture block, erect and all set up the draw-in groove of multiunit symmetry in the both sides inside, and correspond the position fixture block both ends activity cartridge is inside two sets of parallel arrangement's draw-in groove.
Compared with the prior art, the invention has the following beneficial effects:
1. through the fixing base that sets up and the bracing piece of putting up the piece and cartridge in putting up the inside of piece, accessible both sides slidable mounting is outside moving the seat and the arc is buckled and is clamped the dish fastener with the bracing piece to this erects between the twisting pressure mechanism at both ends, carries out later stage test work with this.
2. Can be at the steel pipe both ends of suit dish fastener through the mechanism of turning round that sets up, press the test, thereby the rigidity test of experimental dish fastener of going out, and in the test procedure, mobilizable arc that accessible fixing base both sides set up is buckled and is let the one end of steel pipe carry out the change of angle, in order to ensure to turn round experimental accuracy, the one end of its steel pipe can erect the perpendicular frame support pole upper surface in one end, then form the angle of a tilting, turn round the test through this mode, can test out comparatively accurate test data according to the difference of angle, data support is provided for the different scenes of in-service use.
3. The sliding piece can enable the base overall structure at one end to adjust the twisting position according to the length of the steel pipe, and the steel pipe wrench is convenient to use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the positioning state of the steel pipe and the disc fastener according to the present invention;
FIG. 3 is a schematic structural view of a twisting mechanism according to the present invention;
FIG. 4 is a sectional view of a portion of the structure between the stand and the slide rail according to the present invention;
FIG. 5 is a schematic view of the connection between the vertical frame and the support rod of the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 7 is an enlarged view of the invention at B in FIG. 5.
In the figure: 1. a frame; 2. a base; 3. a fixed seat; 4. a slide rail; 5. a T-shaped seat; 6. a fixing plate; 7. a slide base; 8. a hydraulic cylinder; 9. a movable seat; 10. a steel pipe; 11. supporting; 12. a testing machine body; 13. a U-shaped seat; 14. a support bar; 15. a guide bar; 16. pressing a base; 17. connecting blocks; 18. a bayonet lock; 19. a clamping hole; 20. an L-shaped seat; 21. a stand; 22. an arc-shaped buckle; 23. a clamping block; 24. a vertical frame; 25. a card slot; 26. a support rod; 27. a disc fastener; 28. a universal joint; 29. moving a seat; 30. a threaded pin.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention, taken in conjunction with the accompanying drawings and detailed description, is set forth below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1-7, scaffold puts up fastener torsional rigidity performance test device, which comprises a frame 1, 1 top of frame is connected with pallet 21 through the support piece that sets up, department fixedly connected with fixing base 3 in the middle of pallet 21 top, 3 tops of fixing base are provided with the built-up part, the inboard of built-up part is run through the cartridge and is had bracing piece 14, the 14 both ends outside of bracing piece all is provided with the screens piece, be provided with dish fastener 27 between the screens piece, the inboard cover of dish fastener 27 is equipped with steel pipe 10, pallet 21 top just is close to 3 both sides of fixing base and all is provided with the slider, the top of slider all is provided with the mechanism of turning round.
Can conveniently use at its top with stable the installing of fixing base 3 through the pallet 21 that sets up, bracing piece 14 can support steel pipe 10 erects at the upper surface of bracing piece 14 under the centre gripping of both ends outside screens piece to supplementary later stage twist with the experimental work of pressing the mechanism, dish fastener 27 then is one of the fastener that the scaffold was used commonly, for prior art, does not have for this reason to describe repeatedly excessively.
The supporting member comprises L-shaped seats 20 respectively installed at the tops of two ends of the machine frame 1, and the stand 21 is installed between the two sets of L-shaped seats 20.
The stand 21 can be stably mounted on the upper side of the frame 1 by the L-shaped seat 20.
The frame dress spare includes the testing machine body 12 of fixed mounting at 3 tops of fixing base, and the top fixedly connected with U-shaped seat 13 of testing machine body 12, bracing piece 14 run through install in the inboard of U-shaped seat 13, and the equal fixedly connected with in 13 both ends tops of U-shaped seat supports platform 11.
The screens piece is including the seat 29 that moves of equal slidable mounting in the bracing piece 14 one end outside, moves the inboard and be close to top position threaded connection of seat 29 and have threaded pin 30, and threaded pin 30 bottom offsets with bracing piece 14 surface, and universal joint 28 is installed in the threaded pin 30 one end outside, and universal joint 28 keeps away from threaded pin 30's one end fixedly connected with arc and detains 22, and the arc is detained 22 inner wall laminating and is being coiled the outside of fastener 27.
Move the seat 29 through the setting and can drive the screw thread round pin 30 that corresponds the top, universal joint 28, subassembly such as arc knot 22 moves in the outside top of bracing piece 14, be close to one end steel pipe 10 and dish fastener 27 department, cause two sets of arc to detain 22 and to close the outer wall at dish fastener 27, then support through screw thread round pin 30 and press in the surface of bracing piece 14, carry out the screens to moving seat 29 position, universal joint 28 through the setting causes later stage steel pipe 10 when adjusting test angle, also can move steel pipe 10 under the state of centre gripping.
The slider is all including installing the slide rail 4 in pallet 21 one end both sides respectively, and multiunit card hole 19 has all been seted up to two sets of slide rail 4 upper surfaces, and two sets of slide rail 4 outsides sliding connection respectively have two sets of slides 7, and 7 tops of four sets of slides are connected with base 2 jointly, and 2 upper surfaces of base just are close to the equal vertical guide arm 15 that is connected with of corner, and 15 tops of four guide arms are connected with fixed plate 6 jointly, and the mechanism setting of turning round is in the middle of fixed plate 6 tops.
The slide seat 7 can promote the base 2 above one end to slide outside the slide rail 4, so as to adjust the distance between the base and the fixed seat 3, and the base can move when the length of different steel pipes 10 is tested.
The twisting mechanism comprises a hydraulic cylinder 8 fixedly installed in the middle of the top of the fixing plate 6, a movable seat 9 is fixedly connected with the telescopic end of the hydraulic cylinder 8, a pressing seat 16 is fixedly connected with the bottom end of the movable seat 9, and the movable seat 9 slides outside the four guide rods 15 together.
Through the guide rod 15 and the fixed plate 6, the hydraulic cylinder 8 can be stably installed above the base 2 for use, and the movable seat 9 can drive the pressing seat 16 at the bottom to move downwards under the driving of the hydraulic cylinder 8, so that the pressing is carried out outside one side of the steel pipe 10.
The outer border of base 2 one side both ends is fixedly connected with connecting block 17 respectively, and the inboard equal activity cartridge of two sets of connecting blocks 17 has bayonet lock 18, and the bayonet lock 18 cartridge of corresponding position is inside the card hole 19 of corresponding position department.
The clamping pin 18 is arranged to be inserted from above the connecting block 17 and inserted from below to the corresponding clamping hole 19, so as to clamp the moved base 2.
One side of the top of the base 2 is fixedly connected with a T-shaped seat 5,T-shaped seat 5, one end of the top is fixedly connected with a vertical frame 24, a sliding groove is formed in the middle of the inner side of the vertical frame 24, a supporting rod 26 is slidably connected inside the sliding groove, clamping blocks 23 are arranged below two ends of the supporting rod 26, a plurality of groups of symmetrical clamping grooves 25 are formed in two sides of the vertical frame 24, and two ends of each clamping block 23 corresponding to the positions are movably inserted into the two groups of clamping grooves 25 which are arranged in parallel.
Can install perpendicular frame 24 in one side through the T shape seat 5 that sets up, support pole 26 and can come the adjusting position according to the different demands of user test angle, then carry on spacingly in supporting pole 26's below with fixture block 23 cartridge to two sets of draw-in grooves 25 that correspond parallel arrangement, through the torsional pressure when this mode can test out the disk fastener 27 use under the different scenes to this guarantees that the intensity in disk fastener 27 later stage uses.
The working principle is as follows: when in use, the disk fastener 27 and the steel pipe 10 are placed above the support rod 14, then the moving seats 29 at the outer sides of the two ends of the support rod 14 are sequentially pushed to approach one end of the disk fastener 27, so that the inner wall of the arc-shaped fastener 22 is attached to the outer wall of the disk fastener 27, then the corresponding threaded pins 30 are screwed to the outer surface of the support rod 14, so as to position the positions of the disk fastener 27 and the steel pipe 10, the bases 2 at the two sides of the fixed seat 3 can drive the sliding seat 7 to drive the structures of the base 2 and the like to move at the outer side of the sliding rail 4 according to the length of the steel pipe 10 and the requirement of the test, thereby achieving the purpose, after the position adjustment, the clamping pins 18 of each group are inserted into the clamping holes 19 at the upper surface of the corresponding sliding rail 4 to fix the position of the base 2, at the moment, the hydraulic cylinders 8 arranged above the fixed plate 6 can drive the corresponding pressing seats 16 to approach the outer surface of one end of the steel pipe 10, when the two groups 8 are parallel downward at the same time, the steel pipe 10 can be driven to be parallel twisted under the abutting of the pressing seat 16, the rigidity supporting force at two ends of the disc fastener 27 is tested in a pressing mode, the device can be tested according to the use of different simulation scenes, two ends of the steel pipe 10 are correspondingly inserted into the vertical frames 24 at two ends according to the requirements of angles, then the lower surface at one end of the steel pipe 10 is arranged on the upper surface of the abutting rod 26, the position of the abutting rod 26 is correspondingly arranged on the lower surface of the two ends of the steel pipe 10, which are correspondingly tilted, then the position of the abutting rod 26 is fixed, the clamping block 23 is correspondingly clamped to the clamping groove 25 at the inner side of the vertical frame 24, then the two groups of hydraulic cylinders 8 are driven to press downwards simultaneously until the pressing seat 16 is attached to the outer surface of the steel pipe 10, then the steel pipe 10 is pressed, and the two groups of arc-shaped buckles 22 are always attached to the outer side of the disc fastener 27 under the rotation range of the universal joint 28, therefore, when the inclination is adjusted, the steel pipe 10 does not need to be repeatedly fixed, time and labor are saved, then the rigidity torsion condition of the disc fastener 27 on one side can be tested in the mode, the detected numerical value records data through the testing machine body 12 below the U-shaped seat 13, the testing machine body 12 is connected with an external screen display device through a wire, test data are transmitted, then the data are recorded, and the rigidity performance of the disc fastener 27 under each condition can be tested in the mode under different use scenes.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a scaffold frame fastener torsional rigidity capability test device, includes frame (1), its characterized in that: frame (1) top is connected with pallet (21) through the support piece that sets up, department fixedly connected with fixing base (3) in the middle of pallet (21) top, fixing base (3) top is provided with a built-in spare, the inboard of built-in spare runs through the cartridge and has bracing piece (14), the bracing piece (14) both ends outside all is provided with the screens piece, be provided with set fastener (27) between the screens piece, set fastener (27) inboard cover is equipped with steel pipe (10), pallet (21) top just is close to fixing base (3) both sides and all is provided with the slider, the top of slider all is provided with the mechanism of turning round.
2. The scaffold fastener torsional rigidity performance test device of claim 1, characterized in that: the support piece is including installing L shape seat (20) at frame (1) both ends top respectively, stand (21) are installed jointly between two sets of L shape seats (20).
3. The scaffold fastener torsional rigidity performance test device of claim 1, characterized in that: the frame dress spare includes testing machine body (12) of fixed mounting at fixing base (3) top, the top fixedly connected with U-shaped seat (13) of testing machine body (12), bracing piece (14) run through the inboard of installing in U-shaped seat (13), the equal fixedly connected with in U-shaped seat (13) both ends top is to platform (11).
4. The scaffold fastener torsional rigidity performance test device of claim 1, characterized in that: the screens piece is including moving seat (29) in bracing piece (14) one end outside equal slidable mounting, it has threaded pin (30) just to move seat (29) inboard and be close to top position threaded connection, just threaded pin (30) bottom offsets with bracing piece (14) surface, universal joint (28) are installed in threaded pin (30) one end outside, the one end fixedly connected with arc that threaded pin (30) were kept away from in universal joint (28) is detained (22), the arc is detained (22) the outer side of laminating at set fastener (27) inner wall.
5. The scaffold fastener torsional rigidity performance test device of claim 1, characterized in that: slider is all including installing slide rail (4) in pallet (21) one end both sides respectively, and is two sets of multiunit card hole (19) have all been seted up to slide rail (4) upper surface, and are two sets of slide rail (4) outside sliding connection respectively has two sets of slides (7), four groups slide (7) top is connected with base (2) jointly, base (2) upper surface just is close to the equal vertical guide arm (15) that are connected with of corner, four guide arm (15) top is connected with fixed plate (6) jointly, turn round and press the mechanism setting in the middle of fixed plate (6) top.
6. The scaffold fastener torsional rigidity performance test device of claim 5, characterized in that: the torsion and compression mechanism comprises a hydraulic cylinder (8) fixedly installed in the middle of the top of a fixing plate (6), the telescopic end of the hydraulic cylinder (8) is fixedly connected with a movable seat (9), the bottom end of the movable seat (9) is fixedly connected with a compression seat (16), and the movable seat (9) slides outside four guide rods (15) together.
7. The scaffold fastener torsional rigidity performance test device of claim 5, characterized in that: the clamping device is characterized in that connecting blocks (17) are fixedly connected to the outer edges of two ends of one side of the base (2) respectively, clamping pins (18) are movably inserted into the inner sides of the two groups of connecting blocks (17), and the clamping pins (18) in corresponding positions are inserted into clamping holes (19) in corresponding positions.
8. The scaffold fastener torsional rigidity performance test device of claim 5, characterized in that: the clamping device is characterized in that a T-shaped seat (5) is fixedly connected to one side of the top of the base (2), a vertical frame (24) is fixedly connected to the top of one end of the T-shaped seat (5), a sliding groove is formed in the middle of the inner side of the vertical frame (24), a supporting rod (26) is slidably connected to the inside of the sliding groove, clamping blocks (23) are arranged below two ends of the supporting rod (26), multiple groups of symmetrical clamping grooves (25) are formed in the two sides of the vertical frame (24), and two ends of each clamping block (23) corresponding to the position are movably inserted into the clamping grooves (25) which are arranged in parallel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211256377.4A CN115326598B (en) | 2022-10-14 | 2022-10-14 | Scaffold fastener torsional rigidity performance test device |
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| CN202211256377.4A CN115326598B (en) | 2022-10-14 | 2022-10-14 | Scaffold fastener torsional rigidity performance test device |
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| CN115326598A true CN115326598A (en) | 2022-11-11 |
| CN115326598B CN115326598B (en) | 2023-01-24 |
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|---|---|---|---|---|
| CN115855685A (en) * | 2022-12-23 | 2023-03-28 | 宁波(北仑)中科海西产业技术创新中心 | Elastomer bending property test equipment |
| CN115855685B (en) * | 2022-12-23 | 2024-02-20 | 宁波(北仑)中科海西产业技术创新中心 | Elastomer bending property test equipment |
| CN117804891A (en) * | 2024-03-01 | 2024-04-02 | 山西诚达工程质量检测有限公司 | Mechanical property test equipment for steel pipe scaffold fastener |
| CN117804891B (en) * | 2024-03-01 | 2024-05-10 | 山西诚达工程质量检测有限公司 | Mechanical property test equipment for steel pipe scaffold fastener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115326598B (en) | 2023-01-24 |
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