CN213657742U - Nut verticality measuring device - Google Patents
Nut verticality measuring device Download PDFInfo
- Publication number
- CN213657742U CN213657742U CN202023285387.XU CN202023285387U CN213657742U CN 213657742 U CN213657742 U CN 213657742U CN 202023285387 U CN202023285387 U CN 202023285387U CN 213657742 U CN213657742 U CN 213657742U
- Authority
- CN
- China
- Prior art keywords
- nut
- sleeve
- core rod
- measuring
- clamping block
- 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
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a nut straightness measuring device that hangs down, include: the clamping block is provided with two mounting holes at intervals; the sleeve is clamped in one mounting hole of the clamping block; one part of the core rod is arranged in the sleeve, a blind hole is formed in the top end of the core rod, the top end of the core rod penetrates through the top surface of the sleeve, the bottom end of the core rod penetrates through the bottom surface of the sleeve, a clamping head positioned outside the sleeve is arranged at the bottom of the core rod, and a nut to be tested is installed at the bottom end of the core rod in a threaded mode; a return spring mounted on the top surface of the sleeve; a first washer installed at a top end of the return spring; one end of the slotted cylindrical head screw sequentially penetrates through the first gasket and the reset spring and is installed in the blind hole of the core rod, and the other end of the slotted cylindrical head screw is clamped on the upper surface of the first gasket; and the lever dial indicator is arranged in the other mounting hole of the clamping block. The utility model discloses simple structure can measure the straightness that hangs down of nut washer face for the axis.
Description
Technical Field
The utility model relates to a nut straightness measuring device that hangs down.
Background
The perpendicularity of the gasket face of the nut relative to the axis directly influences the connection performance of the fastener, if the perpendicularity tolerance is large, a gap can be generated between the gasket face and the gasket when the bolt and the nut are connected, and potential safety hazards can be generated in the use process of the bolt and the nut. Because the surface of the nut washer is relatively small, the perpendicularity cannot be directly measured by a square gauge. The threaded surface is complex and neither economical nor complex to operate using equipment such as a three-coordinate measuring machine. Therefore, a device capable of rapidly measuring the perpendicularity of the nut washer surface relative to the axis is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a nut straightness measuring device that hangs down in order to solve above-mentioned problem, simple structure, occupation space is little, and convenient operation can measure the straightness that hangs down of nut washer face for the axis.
The purpose of the utility model is realized like this:
the utility model discloses a nut straightness measuring device that hangs down is equipped with a nut of awaiting measuring, and nut straightness measuring device that hangs down includes:
the clamping block is provided with two mounting holes at intervals;
the sleeve is clamped in one mounting hole of the clamping block;
one part of the core rod is arranged in the sleeve, a blind hole is formed in the top end of the core rod, the top end of the core rod penetrates through the top surface of the sleeve, the bottom end of the core rod penetrates through the bottom surface of the sleeve, a clamping head positioned outside the sleeve is arranged at the bottom of the core rod, and a nut to be tested is installed at the bottom end of the core rod in a threaded mode;
a return spring mounted on the top surface of the sleeve;
a first washer installed at a top end of the return spring;
one end of the slotted cylindrical head screw sequentially penetrates through the first gasket and the reset spring and is installed in the blind hole of the core rod, and the other end of the slotted cylindrical head screw is clamped on the upper surface of the first gasket; and
and the lever dial indicator is arranged in the other mounting hole of the clamping block, a measuring rod is arranged at the bottom of the lever dial indicator, a measuring head is arranged at the bottom end of the measuring rod, and the measuring head is connected with the upper surface of the nut to be measured.
According to the device for measuring the verticality of the nut, a second gasket is further arranged between the return spring and the sleeve, the upper surface of the second gasket is connected with the return spring, and the lower surface of the second gasket is connected with the top surface of the sleeve.
In the device for measuring the verticality of the nut, two locking bolts which are respectively used for locking the two mounting holes are arranged on the clamping block.
The nut verticality measuring device is characterized in that the outer diameter of the clamping head is larger than the inner diameter of the sleeve.
The utility model has the advantages of it is following:
1. the structure is simple, the use is convenient, and the occupied space is small;
2. the first washer and the return spring are arranged, so that the core rod can be pulled out downwards and then the nut to be tested is installed, and then the core rod is slowly reset through the elasticity of the return spring, so that the nut to be tested is prevented from contacting with a measuring head of a lever dial indicator in the installation process, the loss of the measuring head is reduced, and the service life of the measuring head is prolonged;
3. the setting of plug and telescopic, the sleeve can be fastened by the clamp splice, and the plug can be at the sleeve internal rotation, and consequently the nut that awaits measuring can realize the measuring of the straightness that hangs down to the axis to the washer face of the nut that awaits measuring through rotatory plug a week along the plug axis when carrying out the straightness measurement that hangs down.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view of the present invention with the clamping blocks and the lever dial indicator removed;
fig. 3 is a plan view of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Please refer to fig. 1 to 3, which illustrate the nut verticality measuring device of the present invention, wherein a nut 1 to be measured is disposed on the nut verticality measuring device, and the nut verticality measuring device comprises:
the clamping block 2 is provided with two mounting holes 21 at intervals;
the sleeve 3 is clamped in a mounting hole 21 of the clamping block 3;
a part of the core rod 4 is arranged in the sleeve 3, a blind hole 41 is arranged on the top end of the core rod 4, the top end of the core rod 4 penetrates through the top surface of the sleeve 3, the bottom end of the core rod 4 penetrates through the bottom surface of the sleeve 3, a clamping head 42 positioned outside the sleeve 3 is arranged on the bottom of the core rod 4, and the nut 1 to be tested is arranged at the bottom end of the core rod 4 in a threaded manner;
a return spring 5 mounted on the top surface of the sleeve 3;
a first washer 6 mounted on the top end of the return spring 5;
one end of the slotted cylindrical head screw 7 sequentially penetrates through the first gasket 6 and the reset spring 5 and is installed in the blind hole 41 of the core rod 4, and the other end of the slotted cylindrical head screw 7 is clamped on the upper surface of the first gasket 6; and
a lever dial indicator 8, the lever dial indicator 8 is installed in another mounting hole 21 of the clamping block 2, a measuring rod 81 is arranged at the bottom of the lever dial indicator 8, a measuring head 82 is arranged at the bottom end of the measuring rod 81, the measuring head 82 is connected with the upper surface of the nut 1 to be measured, and the upper surface of the nut 1 to be measured is a gasket surface.
A second gasket 9 is further arranged between the return spring 5 and the sleeve 3, the upper surface of the second gasket 9 is connected with the return spring 5, and the lower surface of the second gasket 9 is connected with the top surface of the sleeve 3.
The clamping block 2 is provided with two locking bolts 10 for locking the two mounting holes 21 respectively.
The outer diameter of the chuck 42 is larger than the inner diameter of the sleeve 3.
The utility model discloses an use, earlier through two locking bolt 10 locking lever percentage table 8 and sleeve 3 on the clamp splice 2, adjust measuring staff 81's angle afterwards and make measuring head 82 on the measuring staff 81 be located by the bottom of plug 4, pull out 3 axial downwardly along the sleeve 4 after that, install the bottom at plug 4 with 1 screw thread of nut that awaits measuring this moment again, then slowly loosen plug 4, under reset spring's elastic action, plug 4 slowly resets, nut 1 that awaits measuring rises until the last surface contact measuring head 82 of nut 1 that awaits measuring along with plug 4, thereby operating personnel rotates 4 a week of plug 4 makes nut 1 that awaits measuring use the plug 4 axis as rotation axis rotation a week, it can to note the maximum value and the minimum that lever percentage table 8 surveyed, the difference of this maximum value and minimum is promptly the straightness tolerance of hanging down for the axis for the gasket face of nut 1 that awaits measuring.
The utility model has simple structure, convenient use and small occupied space; the first washer 6 and the return spring 5 are arranged, so that the core rod 4 can be pulled out downwards and then the nut 1 to be measured is installed, and then the core rod 4 is slowly reset through the elasticity of the return spring 5, so that the nut 1 to be measured is prevented from contacting with the measuring head 82 of the lever dial indicator 8 in the installation process, the loss of the measuring head 82 is reduced, and the service life of the measuring head 82 is prolonged; core rod 4 and sleeve 3's setting, sleeve 3 can be fastened by clamp splice 2, and core rod 4 can be at 3 internal rotations of sleeve, and consequently the nut 1 that awaits measuring can realize the measurement of the straightness that hangs down to the axis to the washer face of nut 1 that awaits measuring through rotating core rod a week along 4 axes of core rod when carrying out the straightness measurement that hangs down.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (4)
1. The utility model provides a nut straightness measuring device that hangs down, nut straightness measuring device that hangs down is equipped with a nut that waits to survey, its characterized in that, nut straightness measuring device that hangs down includes:
the clamping block is provided with two mounting holes at intervals;
the sleeve is clamped in a mounting hole of the clamping block;
a part of the core rod is arranged in the sleeve, a blind hole is formed in the top end of the core rod, the top end of the core rod penetrates through the top surface of the sleeve, the bottom end of the core rod penetrates through the bottom surface of the sleeve, a clamping head positioned outside the sleeve is arranged at the bottom of the core rod, and the nut to be tested is arranged at the bottom end of the core rod in a threaded mode;
a return spring mounted on the top surface of said sleeve;
a first washer installed at a top end of the return spring;
one end of the slotted cylindrical head screw sequentially penetrates through the first gasket and the reset spring and is installed in the blind hole of the core rod, and the other end of the slotted cylindrical head screw is clamped on the upper surface of the first gasket; and
the lever dial indicator is installed in the other installation hole of the clamping block, a measuring rod is arranged at the bottom of the lever dial indicator, a measuring head is arranged at the bottom end of the measuring rod, and the measuring head is connected with the upper surface of the nut to be measured.
2. The device for measuring the perpendicularity of a nut as claimed in claim 1, wherein a second washer is further arranged between the return spring and the sleeve, an upper surface of the second washer is connected with the return spring, and a lower surface of the second washer is connected with the top surface of the sleeve.
3. The device for measuring the perpendicularity of the nut as claimed in claim 1, wherein two locking bolts for locking the two mounting holes are arranged on the clamping block respectively.
4. The nut squareness measurement device of claim 1 wherein an outer diameter of the collet is greater than an inner diameter of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023285387.XU CN213657742U (en) | 2020-12-30 | 2020-12-30 | Nut verticality measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023285387.XU CN213657742U (en) | 2020-12-30 | 2020-12-30 | Nut verticality measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213657742U true CN213657742U (en) | 2021-07-09 |
Family
ID=76690569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023285387.XU Active CN213657742U (en) | 2020-12-30 | 2020-12-30 | Nut verticality measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213657742U (en) |
-
2020
- 2020-12-30 CN CN202023285387.XU patent/CN213657742U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111122152B (en) | Sealing washer moment detection device that skids | |
| CN213657742U (en) | Nut verticality measuring device | |
| CN211602242U (en) | Novel motor torque measuring device | |
| CN211552699U (en) | Verticality measuring tool for long bolt installation screw hole | |
| CN106643412B (en) | Small generator stator core inspection device | |
| CN109141169B (en) | Thread pitch diameter runout gauge | |
| CN211651486U (en) | Nut threaded hole verticality measuring device | |
| CN108426515B (en) | Brake caliper hook verticality measurement gauge | |
| CN211651487U (en) | Threaded hole verticality measuring device | |
| CN216205904U (en) | Roller neck detection device matched with roller bearing | |
| CN214620944U (en) | High-precision linear displacement sensor testing tool | |
| CN205561738U (en) | Organism main bearing stud hole and terminal surface straightness detection device that hangs down | |
| CN210689456U (en) | Cone height detection device of gear cone | |
| CN210268497U (en) | Cylinder head pipe hole straightness detection device that hangs down | |
| CN108731626B (en) | Thickness measuring tool for disc parts with complex structures | |
| CN214199949U (en) | Detection tool for detecting cone angle of inner taper hole | |
| CN218441406U (en) | Vibration measuring base | |
| CN214747688U (en) | Threaded inner hole detection equipment | |
| CN218411005U (en) | Nut verticality measuring tool | |
| CN210220927U (en) | Flange pitch detection tool | |
| CN212512781U (en) | Measuring reference block of automobile detection jig | |
| CN220489948U (en) | Roller passing parallelism detection device | |
| CN214951205U (en) | Multi-point ellipsometer | |
| CN216246017U (en) | Measuring device for rapidly measuring inner diameter and roundness of rotary sleeve | |
| CN218765004U (en) | Cable fire prevention mud layer measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |