CN114152517A - Stud stress detection device - Google Patents
Stud stress detection device Download PDFInfo
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- CN114152517A CN114152517A CN202111455087.8A CN202111455087A CN114152517A CN 114152517 A CN114152517 A CN 114152517A CN 202111455087 A CN202111455087 A CN 202111455087A CN 114152517 A CN114152517 A CN 114152517A
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- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 238000012360 testing method Methods 0.000 claims description 8
- 239000011295 pitch Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000035882 stress Effects 0.000 description 25
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000003252 repetitive effect Effects 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
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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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
- G01N3/04—Chucks
Abstract
The invention relates to the technical field of stud bolts, in particular to a stud bolt stress detection device which comprises a workbench, wherein a bottom fixing frame is fixedly connected to one side of the workbench, and a connecting hole is formed in one side of the bottom fixing frame. The invention has the advantages that: through the cooperation setting of bottom mount, first coupling spring, connecting rod, top mount, pull rod, second coupling spring and arc wall makes this atress detection device can be to unidimensional the stud body carries out the fixation work, through the cooperation setting of first lead screw, knob, second lead screw and arm-tie makes this atress detection device can be to unidimensional the second fixation nut carries out the fixation work to make this atress detection device can carry out the detection work to unidimensional stud, and is comparatively simple and convenient to unidimensional stud's fixation work, very big intensity of labour who has reduced operating personnel, has reached the effect that improves detection efficiency.
Description
Technical Field
The invention relates to the technical field of stud bolts, in particular to a stud bolt stress detection device.
Background
Be applied to the stud connection of hydroelectric power plant equipment, its operational environment is often complicated and abominable, and the stud that is used for especially connecting the major part can produce fatigue under alternating load and environmental stress's repetitive action, appears the crackle even, and the cracked condition can lead to the cracked condition to appear in the stud to the part of stud connection and even whole mechanical device bring serious safety risk, consequently need use detection device to carry out the atress and detect the stud.
However, the structure of the existing detection device is generally fixed, the detection device can only detect stud bolts with fixed sizes, the operation is troublesome when stud bolts with other sizes are required to be detected, the labor intensity of operators is increased, the detection efficiency is reduced, and therefore the stud bolt stress detection device is designed to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a stud bolt stress detection device which has the advantages that stud bolts with different sizes can be detected, the stud bolts with different sizes can be fixed simply, the labor intensity of operators is greatly reduced, and the like, and the problem that stud bolts with different sizes cannot be detected is solved.
(II) technical scheme
In order to achieve the purpose of detecting stud bolts with different sizes, the invention provides the following technical scheme:
a stud stress detection device comprises a workbench, wherein a bottom fixing frame is fixedly connected to one side of the workbench, a connecting hole is formed in one side of the bottom fixing frame, a first connecting spring is fixedly connected to the inner wall of the connecting hole, a connecting rod is fixedly connected to one end of the first connecting spring, a top fixing frame is fixedly connected to one end, away from the first connecting spring, of the connecting rod, a pull rod and a second connecting spring are fixedly connected to one side of the top fixing frame, arc-shaped grooves are formed in one sides of the bottom fixing frame and the top fixing frame, a sliding groove is formed in one side of the workbench, a sliding block is slidably connected to the inner wall of the sliding groove, a moving table is fixedly connected to one side of the sliding block, a support plate is fixedly connected to one side of the moving table, and a first lead screw is rotatably connected to one side of the support plate through a bearing, one end of the first screw rod is fixedly connected with a knob, the other end of the first screw rod is fixedly connected with a second screw rod, and the outer surfaces of the first screw rod and the second screw rod are both in threaded connection with a pulling plate.
Preferably, one side fixedly connected with support frame of workstation, one side fixedly connected with gear motor of support frame, gear motor's output fixedly connected with third lead screw, gear motor's one end fixedly connected with stopper is kept away from to the third lead screw, the surface threaded connection of third lead screw has the link, link and mobile station fixed connection.
Preferably, the inner wall of arc wall is provided with the stud body, the surface threaded connection of stud body one end has first fixation nut, one side of first fixation nut is provided with the gasket, the surface threaded connection that the one end of first fixation nut was kept away from to the stud body has second fixation nut.
Preferably, one side of the mobile station is fixedly connected with a stress plate, one side of the stress plate is fixedly connected with a first hydraulic cylinder, the output end of the first hydraulic cylinder is fixedly connected with a bearing block, and one side of the bearing block is provided with a bearing groove.
Preferably, a second hydraulic cylinder is fixedly mounted on one side of the support frame, and the output end of the second hydraulic cylinder is fixedly connected with a test head.
Preferably, the inner wall of spout fixedly connected with gag lever post, one side fixedly connected with guide bar of backup pad.
Preferably, the length of the first connecting spring is smaller than the depth of the connecting hole, the connecting rod is connected with the connecting hole in a sliding mode, and the connecting rod is matched with the connecting hole in size.
Preferably, a part of the pull rod is located inside the second connecting spring, the pull rod penetrates through the support frame, and the pull rod is connected with the support frame in a sliding mode.
Preferably, the turning directions of the first screw rod and the second screw rod are opposite, and the screw pitches of the first screw rod and the second screw rod are the same, so that the two pulling plates can move relatively and move for the same distance at the same time.
Preferably, the gag lever post runs through the slider, gag lever post and slider sliding connection, through the gag lever post can carry on spacingly to the slider, avoids the slider shifts out from the inside of spout, makes the slider is linear motion along the direction of spout all the time, the guide bar runs through the arm-tie, guide bar and arm-tie sliding connection, through the guide bar can guarantee that the arm-tie can not rotate along with the rotation of first lead screw and second lead screw, makes the arm-tie can only be linear motion along the direction of guide bar.
(III) advantageous effects
Compared with the prior art, the invention provides a stud stress detection device, which has the following beneficial effects:
1. the stud bolt stress detection device is characterized in that the bottom fixing frame, the first connecting spring, the connecting rod, the top fixing frame, the pull rod, the second connecting spring and the arc-shaped groove are arranged in a matched mode, when the stud bolt body is fixed, the pull rod is pulled upwards to enable the top fixing frame to be separated from the bottom fixing frame, the first connecting spring is in a stretched state at the moment, the second connecting spring is in a compressed state, one end of the stud bolt body is placed in the arc-shaped groove, then the pull rod is loosened, one end of the stud bolt body is fixed under the action of the first connecting spring and the second connecting spring, and therefore the stress detection device can fix stud bolts with different sizes and can work through the matching arrangement of the first lead screw, the knob, the second lead screw and the pull plate, it is right after the one end of stud body is fixed, rotate the knob makes first lead screw and second lead screw rotatory simultaneously, and then can make two relative motion is simultaneously done to the arm-tie, removes the arm-tie to suitable position, thereby makes the arm-tie can remove and fix the second fixation nut, makes this atress detection device can be to not unidimensional the second fixation nut carries out the fixation work, thereby makes this atress detection device can carry out the detection work to not unidimensional stud to the fixation work to not unidimensional stud is comparatively simple and convenient, very big reduction operating personnel's intensity of labour, reached the effect that improves detection efficiency.
2. The stud stress detection device is characterized in that the stress plate can move along with the movement of the mobile station through the matching arrangement of the first hydraulic cylinder, the bearing block, the bearing groove, the second hydraulic cylinder and the test head, so that the position of the first hydraulic cylinder can be adjusted, the first hydraulic cylinder is started to enable the bearing block to move upwards, the stud body is tightly attached to the inner wall of the bearing groove, one end of the stud body is supported, then the second hydraulic cylinder is started, the test head moves downwards and extrudes the stud body, the stress detection device can detect the tensile strength of the stud body and the compressive strength of the stud body, the stress detection device can detect the strength in two aspects, and the functionality of the stress detection device is improved, the structural flexibility and the practicability of the stress detection device are enhanced.
Drawings
Fig. 1 is a first view structural diagram of a stud bolt stress detection apparatus according to the present invention;
FIG. 2 is a second view structural diagram of a stud bolt stress detection apparatus according to the present invention;
FIG. 3 is a schematic structural view of a top connection frame and connection members thereof of the stud force detection apparatus according to the present invention;
FIG. 4 is a schematic cross-sectional view of a top connection frame and connection members thereof of the stud force-receiving testing apparatus according to the present invention;
fig. 5 is a schematic structural diagram of a mobile station and a connecting member of a stud stress detection apparatus according to the present invention.
In the figure: 1-a working table, 2-a bottom fixing frame, 3-a connecting hole, 4-a first connecting spring, 5-a connecting rod, 6-a top fixing frame, 7-a pull rod, 8-a second connecting spring, 9-an arc-shaped groove, 10-a sliding groove, 11-a sliding block, 12-a moving table, 13-a supporting plate, 14-a first screw rod, 15-a knob, 16-a second screw rod, 17-a pulling plate, 18-a supporting frame, 19-a speed reducing motor, 20-a third screw rod, 21-a limiting block, 22-a connecting frame, 23-a double-head bolt body, 24-a first fixing nut, 25-a gasket, 26-a second fixing nut, 27-a stress plate, 28-a first hydraulic cylinder, 29-a bearing block and 30-a bearing groove, 31-second hydraulic cylinder, 32-test head, 33-limit rod, 34-guide rod.
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. 1-5, a stud stress detection device comprises a workbench 1, a bottom fixing frame 2 is fixedly connected to one side of the workbench 1, a connecting hole 3 is formed in one side of the bottom fixing frame 2, a first connecting spring 4 is fixedly connected to the inner wall of the connecting hole 3, a connecting rod 5 is fixedly connected to one end of the first connecting spring 4, a top fixing frame 6 is fixedly connected to one end of the connecting rod 5 away from the first connecting spring 4, a pull rod 7 and a second connecting spring 8 are fixedly connected to one side of the top fixing frame 6, arc-shaped grooves 9 are formed in one sides of the bottom fixing frame 2 and the top fixing frame 6, a sliding groove 10 is formed in one side of the workbench 1, a sliding block 11 is slidably connected to the inner wall of the sliding groove 10, a moving table 12 is fixedly connected to one side of the sliding table 12, a supporting plate 13 is fixedly connected to one side of the supporting plate 13, and a first lead screw 14 is rotatably connected to one side of the supporting plate 13 through a bearing, one end of the first screw rod 14 is fixedly connected with a knob 15, the other end of the first screw rod 14 is fixedly connected with a second screw rod 16, and the outer surfaces of the first screw rod 14 and the second screw rod 16 are both in threaded connection with a pulling plate 17.
One side fixedly connected with support frame 18 of workstation 1, one side fixedly connected with gear motor 19 of support frame 18, gear motor 19's output fixedly connected with third lead screw 20, the one end fixedly connected with stopper 21 of gear motor 19 is kept away from to third lead screw 20, and the surface threaded connection of third lead screw 20 has link 22, link 22 and mobile station 12 fixed connection.
The inner wall of arc wall 6 is provided with stud body 23, and the surface threaded connection of stud body 23 one end has first fixation nut 24, and one side of first fixation nut 24 is provided with gasket 25, and the surface threaded connection that stud body 23 kept away from the one end of first fixation nut 24 has second fixation nut 26.
One side of the mobile station 12 is fixedly connected with a stress plate 27, one side of the stress plate 27 is fixedly connected with a first hydraulic cylinder 28, the output end of the first hydraulic cylinder 28 is fixedly connected with a bearing block 29, and one side of the bearing block 29 is provided with a bearing groove 30.
A second hydraulic cylinder 31 is fixedly mounted on one side of the support frame 18, and a test head 32 is fixedly connected to an output end of the second hydraulic cylinder 31.
The inner wall of the sliding chute 10 is fixedly connected with a limiting rod 33, and one side of the supporting plate 13 is fixedly connected with a guide rod 34.
The length of the first connecting spring 4 is smaller than the depth of the connecting hole 3, the connecting rod 5 is in sliding connection with the connecting hole 3, and the connecting rod 5 is matched with the connecting hole 3 in size.
A part of the pull rod 7 is positioned inside the second connecting spring 8, the pull rod 7 penetrates through the support frame 18, and the pull rod 7 is connected with the support frame 18 in a sliding mode.
The turning directions of the first screw mandrel 14 and the second screw mandrel 16 are opposite, and the screw pitches of the first screw mandrel 14 and the second screw mandrel 16 are the same, so that the two pulling plates 17 can make relative movement and move for the same distance at the same time.
The limiting rod 33 penetrates through the sliding block 11, the limiting rod 33 is connected with the sliding block 11 in a sliding mode, the sliding block 11 can be limited through the limiting rod 33, the sliding block 11 is prevented from moving out of the sliding groove 10, the sliding block 11 is enabled to move linearly all the time along the direction of the sliding groove 10, the guide rod 34 penetrates through the pull plate 17, the guide rod 34 is connected with the pull plate 17 in a sliding mode, the pull plate 17 can be guaranteed to not rotate along with the rotation of the first lead screw 14 and the second lead screw 16 through the guide rod 34, and the pull plate 17 can only move linearly along the direction of the guide rod 34.
When the device is used, when the tensile strength needs to be detected, the pull rod 7 is pulled upwards to separate the top fixing frame 6 from the bottom fixing frame 3, at the moment, the first connecting spring 4 is in a stretched state, the second connecting spring 8 is in a compressed state, one end of the stud body 23 is placed in the arc-shaped groove 9, then the pull rod 7 is loosened, one end of the stud body 23 is fixed under the action of the first connecting spring 4 and the second connecting spring 8, then the knob 15 is rotated to enable the first screw rod 14 and the second screw rod 16 to rotate simultaneously, further the two pull plates 17 can make relative motion simultaneously, the pull plates 17 are moved to a proper position, then the speed reducing motor 19 is started to enable the third screw rod 20 to rotate, further the connecting frame 22 can drive the moving platform 12 to move, the pull plates 17 can move and perform the tensile strength detection work, when the need carries out compressive strength's detection, start first pneumatic cylinder 28, make carrier block 29 rebound, and make stud body 23 inseparable with the inner wall laminating of bearing groove 30, support the one end of stud body 23 through carrier block 29, fix and support the one end of stud body 23 through top mount 6 and bottom mount 3, then start second pneumatic cylinder 31, make test head 32 rebound and extrude stud body 23, thereby carry out compressive strength's detection work to stud body 23.
In summary, according to the stud stress detection device, through the matching arrangement of the bottom fixing frame 3, the first connecting spring 4, the connecting rod 5, the top fixing frame 6, the pull rod 7, the second connecting spring 8 and the arc-shaped groove 9, when the stud body 23 is fixed, firstly the pull rod 7 is pulled upwards to separate the top fixing frame 6 from the bottom fixing frame 3, at this time, the first connecting spring 4 is in a stretched state, the second connecting spring 8 is in a compressed state, one end of the stud body 23 is placed inside the arc-shaped groove 9, then the pull rod 7 is loosened, one end of the stud body 23 is fixed under the action of the first connecting spring 4 and the second connecting spring 8, so that the stress detection device can fix stud bodies 23 with different sizes, and through the matching arrangement of the first lead screw 14, the knob 15, the second lead screw 16 and the pull plate 17, after fixing the one end of stud body 23, it makes first lead screw 14 and second lead screw 16 rotate simultaneously to rotate knob 15, and then can make two arm-tie 17 do relative motion simultaneously, remove arm-tie 17 to suitable position, thereby make arm-tie 17 can remove and fix second fixation nut 26, make this atress detection device can carry out the fixation work to not unidimensional second fixation nut 26, thereby make this atress detection device can carry out the detection work to not unidimensional stud, and the fixation work to not unidimensional stud is comparatively simple and convenient, very big intensity of labour who has reduced operating personnel, the effect that has improved detection efficiency has been reached.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The stud stress detection device is characterized by comprising a workbench (1), wherein one side of the workbench (1) is fixedly connected with a bottom fixing frame (2), one side of the bottom fixing frame (2) is provided with a connecting hole (3), the inner wall of the connecting hole (3) is fixedly connected with a first connecting spring (4), one end of the first connecting spring (4) is fixedly connected with a connecting rod (5), one end of the connecting rod (5) far away from the first connecting spring (4) is fixedly connected with a top fixing frame (6), one side of the top fixing frame (6) is fixedly connected with a pull rod (7) and a second connecting spring (8), one sides of the bottom fixing frame (2) and the top fixing frame (6) are both provided with an arc-shaped groove (9), one side of the workbench (1) is provided with a sliding groove (10), and the inner wall of the sliding groove (10) is slidably connected with a sliding block (11), one side fixedly connected with mobile station (12) of slider (11), one side fixedly connected with backup pad (13) of mobile station (12), one side of backup pad (13) is rotated through the bearing and is connected with first lead screw (14), the one end fixedly connected with knob (15) of first lead screw (14), the other end fixedly connected with second lead screw (16) of first lead screw (14), the equal threaded connection of surface of first lead screw (14) and second lead screw (16) has arm-tie (17).
2. The stud force detection device of claim 1, wherein: one side fixedly connected with support frame (18) of workstation (1), one side fixedly connected with gear motor (19) of support frame (18), output fixedly connected with third lead screw (20) of gear motor (19), one end fixedly connected with stopper (21) of gear motor (19) are kept away from in third lead screw (20), the surface threaded connection of third lead screw (20) has link (22), link (22) and mobile station (12) fixed connection.
3. The stud force detection device of claim 1, wherein: the inner wall of arc wall (6) is provided with stud body (23), the surface threaded connection of stud body (23) one end has first fixation nut (24), one side of first fixation nut (24) is provided with gasket (25), the surface threaded connection of the one end that first fixation nut (24) were kept away from in stud body (23) has second fixation nut (26).
4. The stud force detection device of claim 1, wherein: one side fixedly connected with atress board (27) of mobile station (12), one side fixedly connected with first pneumatic cylinder (28) of atress board (27), the output fixedly connected with carrier block (29) of first pneumatic cylinder (28), bearing groove (30) have been seted up to one side of carrier block (29).
5. The stud force detection device of claim 2, wherein: one side fixed mounting of support frame (18) has second pneumatic cylinder (31), the output fixedly connected with test head (32) of second pneumatic cylinder (31).
6. The stud force detection device of claim 1, wherein: the inner wall fixedly connected with gag lever post (33) of spout (10), one side fixedly connected with guide bar (34) of backup pad (13).
7. The stud force detection device of claim 1, wherein: the length of first connecting spring (4) is less than the degree of depth of connecting hole (3), connecting rod (5) and connecting hole (3) sliding connection, connecting rod (5) and the size looks adaptation of connecting hole (3).
8. The stud force detection device of claim 1, wherein: a part of the pull rod (7) is positioned inside the second connecting spring (8), the pull rod (7) penetrates through the support frame (18), and the pull rod (7) is connected with the support frame (18) in a sliding mode.
9. The stud force detection device of claim 1, wherein: the turning directions of the first screw rod (14) and the second screw rod (16) are opposite, and the screw pitches of the first screw rod (14) and the second screw rod (16) are the same.
10. The stud force detection device of claim 6, wherein: the limiting rod (33) penetrates through the sliding block (11), the limiting rod (33) is connected with the sliding block (11) in a sliding mode, the guide rod (34) penetrates through the pulling plate (17), and the guide rod (34) is connected with the pulling plate (17) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111455087.8A CN114152517A (en) | 2021-12-01 | 2021-12-01 | Stud stress detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111455087.8A CN114152517A (en) | 2021-12-01 | 2021-12-01 | Stud stress detection device |
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| CN114152517A true CN114152517A (en) | 2022-03-08 |
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| CN202111455087.8A Pending CN114152517A (en) | 2021-12-01 | 2021-12-01 | Stud stress detection device |
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