CN220063244U - Bolt pretightening force monitoring device - Google Patents
Bolt pretightening force monitoring device Download PDFInfo
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- CN220063244U CN220063244U CN202223448901.6U CN202223448901U CN220063244U CN 220063244 U CN220063244 U CN 220063244U CN 202223448901 U CN202223448901 U CN 202223448901U CN 220063244 U CN220063244 U CN 220063244U
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- slide bar
- bolt
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- plate
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 239000000523 sample Substances 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a bolt pretightening force monitoring device, which relates to the technical field of identification devices and comprises a platform, wherein the platform is provided with a plurality of threaded holes, bolts are connected in the threaded holes, sliding strips are arranged on the top surfaces of two sides of the platform, the top end of each sliding strip is connected with a supporting plate in a sliding manner, a top plate is fixed on the supporting plate, the top surface of the top plate is provided with a display screen, the bottom surface of the top plate is provided with a pressure sensor, and the bottom end of the pressure sensor is provided with a spring. According to the utility model, the support plate is arranged in the threaded hole matched with the specification through the bolt, then the support plate is driven to move manually, the support plate is enabled to move stably on the slide bar through the slide bar, the support plate drives the top plate to move to the upper side of the bolt, the bottom end of the detection probe is connected with the top end of the bolt, then the bolt is pressed, the pressure sensor is used for monitoring through the change of the elasticity of the compression spring, the pressure data are displayed in real time, and the bolt pretightening force detection probe is used for carrying out ultrasonic detection on the bolt pretightening force.
Description
Technical Field
The utility model relates to the technical field of identification devices, in particular to a bolt pretightening force monitoring device.
Background
The bolt connection is an important assembly mode in the assembly of the wind generating set, and almost relates to all parts of the wind generating set, so that the selection and strength check of the bolts and the assembly quality are important guarantees of the reliability of the wind generating set, and the bolt pretightening force is pretightening force generated between the bolts and the connected pieces along the axial lead direction of the bolts under the action of tightening moment in the process of screwing the bolts;
the pretightening force detection of the existing wind turbine generator system bolt needs to be detected on site, but only one standard threaded hole is formed in the base of the existing detection device, the device cannot be used for detecting bolts of other specifications, the application range is limited, and therefore the bolt pretightening force monitoring device is provided for solving the problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a bolt pretightening force monitoring device which is designed aiming at the bolt pretightening force monitoring device, and the bolt pretightening force monitoring device solves the problem that the device cannot be used for detecting bolts with other specifications.
The aim of the utility model is realized by the following technical scheme:
a bolt pretension monitoring device, comprising:
the platform is provided with a plurality of threaded holes, bolts are connected in the threaded holes, and sliding strips are arranged on the top surfaces of two sides of the platform;
the top end of each sliding strip is slidably connected with a supporting plate, a top plate is fixed on the supporting plate, a display screen is arranged on the top surface of the top plate, a pressure sensor is arranged on the bottom surface of the top plate, a spring is arranged at the bottom end of the pressure sensor, and a detection probe is arranged at the bottom end of the spring;
the supporting plate moves along the length direction of the sliding strip and drives the detection probe to move above the threaded hole;
the bottom of backup pad is equipped with the slide bar, the slide bar is T word structure, be equipped with in the slide bar with the corresponding spout of slide bar, the slide bar is located the spout, the backup pad passes through slide bar sliding connection on the slide bar, the outer wall of slide bar is equipped with first removal groove, the surface connection of first removal groove has the head rod, the one end and the slide bar of head rod are fixed, the other end of head rod is connected with first nut.
In the above summary, further, the diameter of each of the screw holes is sequentially longer.
In the above summary, further, the bottom surfaces of two sides of the platform are both provided with connecting plates, the bottom ends of the connecting plates are provided with a plurality of storage grooves, and pulleys are arranged in the storage grooves.
In the above summary, further, guide rods are disposed on inner walls of two sides of the storage groove, each guide rod is connected with a sliding block in an outward sliding manner, a supporting rod is connected between each two sliding blocks, and the top ends of the pulleys are fixed with the supporting rods.
In the above summary, further, a second connecting rod is disposed on a side of the supporting rod, a second moving groove is disposed on the surface of the platform, one end of the second connecting rod extends out of the second moving groove, and a second nut is disposed at the end of the second connecting rod.
The beneficial effects of the utility model are as follows:
according to the utility model, the support plate is arranged in the threaded hole matched with the specification through the bolt, then the support plate is driven to move manually, the support plate is enabled to move stably on the slide bar through the slide bar, the support plate drives the top plate to move to the upper side of the bolt, the bottom end of the detection probe is connected with the top end of the bolt, then the bolt is pressed, the pressure sensor is used for monitoring through the change of the elasticity of the compression spring, the pressure data are displayed in real time, and the bolt pretightening force detection probe is used for carrying out ultrasonic detection on the bolt pretightening force.
Drawings
FIG. 1 is a schematic elevational cross-sectional view of the overall structure of the present utility model;
FIG. 2 is a side view of the overall structure of the present utility model;
FIG. 3 is a schematic top view of the platform of the present utility model;
fig. 4 is a schematic view of a pulley connection structure according to the present utility model.
In the figure, 1-platform, 101-threaded hole, 102-bolt, 103-connecting plate, 104-slide bar, 105-first moving groove, 106-first connecting rod, 107-first nut, 108-slide bar, 109-receiving groove, 110-guide bar, 111-slide block, 112-support bar, 113-pulley, 114-second connecting rod, 115-second nut, 116-second moving groove, 2-support plate, 201-top plate, 202-display screen, 203-pressure sensor, 204-spring, 205-detection probe.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
Examples:
referring to fig. 1-4, a bolt pretightening force monitoring device includes a platform 1 and a support plate 2;
the top of the two sides of the platform 1 is provided with slide bars 104, the top of each slide bar 104 is slidably connected with a supporting plate 2, the bottom of each supporting plate 2 is provided with a sliding bar 108, each sliding bar 108 is of a T-shaped structure, sliding grooves corresponding to the sliding bars 108 are formed in the sliding bars 104, the sliding bars 108 are located in the sliding grooves, the supporting plates 2 are slidably connected to the sliding bars 104 through the sliding bars 108, the platform 1 is provided with a plurality of threaded holes 101, the diameter of each threaded hole 101 is sequentially lengthened, bolts 102 are connected to the threaded holes 101, a top plate 201 is fixed to the supporting plates 2, the top surface of the top plate 201 is provided with a display screen 202, the bottom surface of the top plate 201 is provided with a pressure sensor 203, the bottom end of the pressure sensor 203 is provided with a spring 204, the bottom end of the spring 204 is provided with a detection probe 205, the supporting plates 2 are firstly installed in the threaded holes 101 with the specification matched, then are manually driven to move the supporting plates 2 on the sliding bars 104, the supporting plates 2 are enabled to move to the upper sides of the bolts 102 through the sliding bars 108, the bottom ends of the detection probes 205 are connected with the top ends of the bolts 102, then the bolts 102 are pressed through the change of the elasticity of the compression springs 204, the implementation of the probes 203, the display screen 202 is used for monitoring, the display screen and the pressure data and the pre-tightening of the bolts 102 are detected in real time.
The outer wall of the slide bar 104 is provided with a first moving groove 105, the surface of the first moving groove 105 is connected with a first connecting rod 106, one end of the first connecting rod 106 is fixed with a slide bar 108, the other end of the first connecting rod 106 is connected with a first nut 107, one end of the first connecting rod 106 is driven to move outside the first moving groove 105 through the slide bar 108 while the support plate 2 moves, and when the support plate 2 is adjusted, one end of the first connecting rod 106 is locked outside the first moving groove 105 through manual rotation of the first nut 107.
The bottom surface of the two sides of the platform 1 is provided with the connecting plate 103, the bottom end of the connecting plate 103 is provided with a plurality of storage grooves 109, pulleys 113 are arranged in the storage grooves 109, the inner walls of the two sides of the storage grooves 109 are provided with guide rods 110, each guide rod 110 is externally connected with a sliding block 111, a supporting rod 112 is connected between each sliding block 111, the top end of each pulley 113 is fixed with each supporting rod 112, one side surface of each supporting rod 112 is provided with a second connecting rod 114, the surface of the platform 1 is provided with a second moving groove 116, one end of each second connecting rod 114 extends out of the second moving groove 116, the tail end of each second connecting rod 114 is provided with a second nut 115, in order to facilitate the detection device to walk on the ground, the second connecting rods 114 are manually driven to move downwards through the second moving grooves 116, one end of each second connecting rod 114 drives the supporting rod 112 to move downwards, the supporting rods 112 are enabled to stably descend through the sliding blocks 111 and the guide rods 110, then the second connecting rods 114 are locked through the second nuts 115, the pulleys 113 are enabled to be conveniently moved out of the storage grooves 109, the monitoring device can be conveniently moved, and the pulley 113 can be stored in the storage grooves 109, and the monitoring device can be placed on the bottom surface when the monitoring device is not used stably.
The working principle is as follows; the device is firstly installed in a threaded hole 101 matched with specifications through a bolt 102, then the support plate 2 is manually driven to move, the support plate 2 is enabled to move on a sliding bar 104 stably through a sliding rod 108, the support plate 2 is enabled to drive a top plate 201 to move to the upper side of the bolt 102, the bottom end of a detection probe 205 is connected with the top end of the bolt 102, then the bolt 102 is pressed, the pressure data are displayed in real time through implementation monitoring of a pressure sensor 203 through the change of the elastic force of a compression spring 204, and the bolt 102 pretightening force is detected through the detection probe 205, ultrasonic detection of the pretightening force of the bolt 102 is carried out, the support plate 2 is moved, meanwhile, one end of a first connecting rod 106 is driven to move outside a first moving groove 105 through the sliding rod 108, after the support plate 2 is adjusted, one end of the first connecting rod 106 is locked outside the first moving groove 105 through manual rotation of a first nut 107, then the detection device is conveniently walked outside, one end of the second connecting rod 114 is enabled to drive the support rod 112 to move downwards through a second moving groove 116, the support rod 112 is enabled to smoothly descend through the sliding block 111 and the guide rod 110, the second connecting rod 110 is enabled to conveniently move down, the second connecting rod 114 is enabled to move down through the second connecting rod 115, the second connecting rod 114 is enabled to conveniently, the second connecting rod 114 is enabled to move outside the second moving groove 109, the second connecting rod is conveniently, the device is enabled to be conveniently stored in the moving groove 109, and can be conveniently placed in the groove and store and the device.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must be provided with a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (5)
1. The utility model provides a bolt pretightning force monitoring devices which characterized in that includes:
the platform is provided with a plurality of threaded holes, bolts are connected in the threaded holes, and sliding strips are arranged on the top surfaces of two sides of the platform;
the top end of each sliding strip is slidably connected with a supporting plate, a top plate is fixed on the supporting plate, a display screen is arranged on the top surface of the top plate, a pressure sensor is arranged on the bottom surface of the top plate, a spring is arranged at the bottom end of the pressure sensor, and a detection probe is arranged at the bottom end of the spring;
the supporting plate moves along the length direction of the sliding strip and drives the detection probe to move above the threaded hole;
the bottom of backup pad is equipped with the slide bar, the slide bar is T word structure, be equipped with in the slide bar with the corresponding spout of slide bar, the slide bar is located the spout, the backup pad passes through slide bar sliding connection on the slide bar, the outer wall of slide bar is equipped with first removal groove, the surface connection of first removal groove has the head rod, the one end and the slide bar of head rod are fixed, the other end of head rod is connected with first nut.
2. The bolt pretension monitoring apparatus according to claim 1, wherein,
the diameter of each threaded hole is sequentially longer.
3. The bolt pretension monitoring apparatus according to claim 1, wherein,
the bottom surfaces of the two sides of the platform are respectively provided with a connecting plate, the bottom ends of the connecting plates are provided with a plurality of storage grooves, and pulleys are arranged in the storage grooves.
4. The bolt pretension monitoring apparatus according to claim 3, wherein,
guide rods are arranged on the inner walls of the two sides of the storage groove, each guide rod is externally connected with a sliding block in a sliding mode, a supporting rod is connected between each sliding block, and the top ends of the pulleys are fixed with the supporting rods.
5. The bolt pretension monitoring apparatus according to claim 4, wherein,
a second connecting rod is arranged on one side face of the supporting rod, a second moving groove is formed in the surface of the platform, one end of the second connecting rod extends out of the second moving groove, and a second nut is arranged at the tail end of the second connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223448901.6U CN220063244U (en) | 2022-12-22 | 2022-12-22 | Bolt pretightening force monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223448901.6U CN220063244U (en) | 2022-12-22 | 2022-12-22 | Bolt pretightening force monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220063244U true CN220063244U (en) | 2023-11-21 |
Family
ID=88785935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223448901.6U Active CN220063244U (en) | 2022-12-22 | 2022-12-22 | Bolt pretightening force monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220063244U (en) |
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2022
- 2022-12-22 CN CN202223448901.6U patent/CN220063244U/en active Active
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