CN109084925A - A kind of bolt torsion detection device - Google Patents
A kind of bolt torsion detection device Download PDFInfo
- Publication number
- CN109084925A CN109084925A CN201810655858.XA CN201810655858A CN109084925A CN 109084925 A CN109084925 A CN 109084925A CN 201810655858 A CN201810655858 A CN 201810655858A CN 109084925 A CN109084925 A CN 109084925A
- Authority
- CN
- China
- Prior art keywords
- bolt
- pedestal
- adjusting
- piece
- abutting
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention relates to bolt detector devices, disclose a kind of bolt torsion detection device, including pedestal, and pedestal is equipped with torque arm, and torque arm is equipped with torque spanner, and torque arm is equipped with positioning head；Pedestal is equipped with clamping piece, and clamping piece includes glide base, pushes against screw rod and push against block, pushes against block and be located on glide base；Abutting block, which is equipped with, screws piece with what bolt thread cooperated, screws piece and is located at the side for abutting screw rod axial line, bolt is rotated with the position that piece contacts is screwed along the direction far from abutting screw rod；Worker, which rotates, pushes against screw rod, drive abutting block mobile after pushing against screw rod movement, bolt is tightened piece and pushes against fixation, worker need to only rotate abutting screw rod and bolt can be fixed, the operation of worker is facilitated, bolt and the contact area for screwing piece are big, and when worker screws test bolt with torque spanner, bolt can screw trend of the on piece with rotation, to make to screw trend of the piece with separate abutting block and abutting block is allowed to support tighter by bolt.
Description
Technical field
The present invention relates to bolt detector devices, more specifically, it relates to a kind of bolt torsion detection device.
Background technique
Bolt torque force testing instrument, mainly for detection of the tightness of bolt and the twist-off force of bolt, to determine bolt
It can be twisted off in the degree of much power.
Currently, the Chinese patent that notification number is CN2639865 discloses a kind of digital display type fastening piece special torque force testing instrument,
It include pedestal, apply turn round handle, apply turn round disk, torque arm, crewdriver attachment, fixture, fixture link stopper, force-transmitting seat, power transmission thick stick, survey square bolt,
Resistance-strain type torsion sensor, clamping screw, column, Upright post base, torque arm fixing seat, sensing cable and display instrument, column
Seat is fixed on the base, and column is fixed on Upright post base, and force-transmitting seat is fixed on the base, and fixture, fixture link stopper, clamping screw are set
Set on force-transmitting seat, power transmission thick stick, survey square bolt and resistance-strain type torsion sensor be arranged in pedestal, the lower section of force-transmitting seat,
It applies to turn round handle and be fixed on to apply and turn round on disk, torque arm, which is downwardly fixed to apply, to be turned round on disk, it is set in torque arm fixing seat, and torque arm is solid
Reservation is fixed together with column socket, and crewdriver attachment is fixed on the lower end of torque arm, and display instrument and resistance-strain type torsion sense
Device is linked together by sensing cable.
This digital display type fastening piece special torque force testing instrument turns round dynamic apply of grip strip and turns round disk rotation by applying, and applies and turns round disk rotation and drive
Torque arm rotation, torque arm rotation drives bolt rotation, and since bolt is clamped by fixture, force-transmitting seat turns with bolt
Dynamic, resistance-strain type torsion sensor detects the torsion on force-transmitting seat.But when carrying out turning round meter detection to bolt, bolt,
Torque arm, force-transmitting seat and resistance-strain type torsion sensor need to be coaxially disposed, due to the manual operation that is fixed as of bolt, bolt
Coaxial arrangement between force-transmitting seat, which is difficult to obtain, more accurately to be determined, to be easy to make to generate between testing result and reality
Biggish error.
Summary of the invention
In view of the deficienciess of the prior art, the present invention provides a kind of bolt torsion detection device, it is small with error
Advantage.
To achieve the above object, the present invention provides the following technical scheme that
A kind of bolt torsion detection device, including pedestal are rotatably connected to torque arm on the pedestal, are arranged on the torque arm
There is torque spanner, the torque arm is connected with the positioning head for cooperating with bolt far from one end of the torque spanner；
The clamping piece for fixing bolt is slidably connected on the pedestal, the clamping piece includes being slidably connected at the pedestal
On glide base, be threaded on the glide base abutting screw rod, be rotatably connected on it is described abutting screw rod on supporting
Tight block, the abutting block are slidably connected on the glide base；
It is fixedly connected on the abutting block and screws piece with what bolt thread cooperated, the piece that screws is located at the abutting screw shaft
The side of heart line, the bolt screw position that piece contacts and rotate along far from the direction for abutting screw rod with described.
Through the above technical solutions, worker, which rotates, pushes against screw rod, at this time since glide base is difficult to rotate, spiral shell is pushed against
Bar moves, and drive pushes against block movement after pushing against screw rod movement, after pushing against block with glide base conflict, pushes against block and sliding
Bolt between pedestal is tightened piece and pushes against fixation, and worker need to only rotate abutting screw rod and bolt can be fixed, facilitate
The operation of worker, bolt and the contact area for screwing piece are big, and when worker screws test bolt with torque spanner, bolt can be
Trend of the on piece with rotation is screwed, to make to screw trend of the piece with separate abutting block and abutting block is allowed to support more by bolt
Tightly.
Further, the glide base include be slidably connected bottom plate on the base, be fixedly connected on bottom plate one
The stopper at end is fixedly connected on mounting blocks of the bottom plate far from described stopper one end, the abutting screw flight connection
On the mounting blocks, the block that pushes against is towards offering the limiting slot placed for bolt on the side of the stopper；
The piece that screws is arranged in the limiting slot, and bolt is pushed against in the limiting slot rear bolt end abutment described
The slot bottom of limiting slot.
Through the above technical solutions, bolt is placed in limiting slot by worker, limiting slot is defined the position of bolt,
Then worker, which rotates, pushes against screw rod, and abutting screw rod moves under the drive of screw thread, pushes against mobile drive of screw rod and pushes against block movement, supports
Tight block is mobile to drive bolt to be pushed against on stopper, so that the position to bolt is preferably limited, so that bolt is detecting
When be not susceptible to rotate, while bolt can also be tightened in limiting slot, be not easy to be detached from block from pushing against, improved testing result
Accuracy.
Further, slippage slot is offered on the pedestal, the bottom plate is slidably connected in slippage slot, on the bottom plate
Chip-removal hole is offered, the chip-removal hole is connected to the slippage slot.
Through the above technical solutions, worker is when detecting bolt, bolt during clamped, due to blocking
Block and the friction for pushing against block, can generate certain clast, and clast passes through chip-removal hole under the effect of gravity and reaches slippage slot
Interior, so that the contact surface pushed against between block and bottom plate is relatively smooth, worker can conveniently be pushed away abutting block
It is dynamic.
Further, the abutting screw rod is fixedly connected with adjusting block, the adjusting block far from described one end for pushing against block
Side outer wall on offer non-slip groove.
Through the above technical solutions, worker by adjusting block drive push against screw rod rotate, non-slip groove make worker's hand with
Contact surface between adjusting block is more coarse, and worker can conveniently rotate abutting screw rod.
Further, adjusting rod is fixedly connected on the pedestal, lifting is provided with adjusting pedestal, institute on the adjusting rod
Torque arm is stated to be rotatably connected on the adjusting pedestal.
Through the above technical solutions, position of the worker by adjusting torque arm, so that torque arm is mobile towards bolt, and makes to determine
Potential head is contradicted with bolt, is able to achieve and is realized detection to the bolt of different height size.
Further, regulating tank is offered on described one end for adjusting pedestal, the regulating tank is by the pedestal that adjusts
One end is divided into the first card-tight part and the second card-tight part；
The regulating tank includes through-Penetration portion and clearance portion, and the gap site is worn in the two sides of the through-Penetration portion, the adjusting rod
It is located in the through-Penetration portion and outer wall and the inner wall of the through-Penetration portion contradicts；
It is threaded on the adjusting pedestal for driving the first card-tight part and the close fishbolt of the second card-tight part.
Through the above technical solutions, worker screws fishbolt, and under the drive of fishbolt, the first card-tight part and second
Card-tight part is adjacent to each other, and the inner wall of the reduced width of clearance portion, through-Penetration portion is pushed against on the outer wall of adjusting rod, is made by frictional force
Pedestal must be adjusted and be difficult to happen movement, to realize the fixation for adjusting pedestal；When needing to be adjusted pedestal adjusting, Gong Renxuan
Away from each other, the inner wall of through-Penetration portion no longer pushes against the outer wall of adjusting rod for loose fishbolt, the first card-tight part and the second card-tight part, this
When worker can drive that adjust pedestal mobile.
Further, the torque arm is connect by adjusting set with pedestal is adjusted, the adjusting set and the adjusting pedestal
It is threadedly coupled, the torque arm is rotatably connected in adjusting set, and the adjusting set is located at the adjusting pedestal far from the adjusting
One end of slot.
Through the above technical solutions, worker rotates adjusting set, adjusting set moves under the drive of screw thread, after adjusting set is mobile
Drive torque arm mobile, so that the position between positioning head and bolt changes；After positioning head and bolt cooperate, work
People continues to rotate adjusting set, so that positioning head pushes against screw rod, makes to be not susceptible to slip between positioning head and bolt, improves detection
As a result accuracy.
Further, swivel becket, the inner wall of the swivel becket are arranged on the one end of the adjusting set far from the pedestal
It is fixedly connected with the outer wall of the adjusting set.
Through the above technical solutions, worker drives adjusting set to rotate by swivel becket, the setting of swivel becket increases worker
Contact area between adjusting set increases the frictional force between worker's hand and adjusting set, enables worker more square
Just driving adjusting set rotation.
Compared with prior art, the beneficial effects of the present invention are:
(1) by setting clamping piece, worker is fixed bolt by clamping piece, so that bolt is not susceptible to certainly when detecting
Turn；Clamping piece can slide on pedestal again simultaneously, so that can preferably be adapted between positioning head and bolt, so that detection knot
Fruit is more accurate；
(2) it by setting adjusting rod, adjusting pedestal and adjusting set, adjusts pedestal and is gone up and down on adjusting rod, to complete positioning head
The coarse adjustment of position between bolt；Adjusting set is gone up and down on adjusting pedestal, to complete position between positioning head and bolt
Thin tuning improves the accuracy of testing result so that the positioning between positioning head and bolt is more accurate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of glide base of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram that the embodiment of the present invention adjusts pedestal；
Fig. 4 is the portion the A enlarged diagram of Fig. 3.
Appended drawing reference: 1, pedestal；11, slippage slot；12, adjusting rod；2, clamping piece；21, glide base；211, bottom plate；
212, stopper；213, mounting blocks；214, chip-removal hole；22, screw rod is pushed against；221, adjusting block；222, non-slip groove；23, block is pushed against；
231, limiting slot；232, piece is screwed；3, pedestal is adjusted；31, regulating tank；311, through-Penetration portion；312, clearance portion；32, the first clamping
Portion；33, the second card-tight part；34, fishbolt；4, adjusting set；41, swivel becket；5, torque arm；51, positioning head；52, torsion is pulled
Hand.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment
A kind of bolt torsion detection device is fixedly connected on pedestal 1 in cylinder as depicted in figs. 1 and 2, including pedestal 1
The adjusting rod 12 of shape, adjusting rod 12 are vertically arranged.Pedestal 1 offers slippage slot 11, slippage slot on one end far from adjusting rod 12
11 length direction is parallel with the length direction of pedestal 1.Clamping piece 2 is slidably connected in slippage slot 11, clamping piece 2 includes sliding
Pedestal 21 pushes against screw rod 22 and pushes against block 23, and glide base 21 is slidably connected in slippage slot 11, pushes against screw rod 22 and is threadedly coupled
On glide base 21, pushes against block 23 and be rotatably connected on abutting screw rod 22.Glide base 21 includes bottom plate 211, stopper 212
With mounting blocks 213, bottom plate 211 is slidably connected in slippage slot 11, and stopper 212 is fixedly connected on bottom plate 211 close to adjusting rod
12 one end, mounting blocks 213 are fixedly connected on the one end of bottom plate 211 far from stopper 212.It pushes against screw rod 22 and is threaded in peace
It fills on block 213, the length direction for pushing against screw rod 22 is parallel with the length direction of bottom plate 211, pushes against block 23 and is located at abutting screw rod 22
Close to one end of stopper 212, pushes against and be fixedly connected with the T-shaped adjusting block in section on the one end of screw rod 22 far from abutting block 23
221, non-slip groove 222 is offered on the side outer wall of adjusting block 221, and non-slip groove 222 is staggered to form network-like layout.As Fig. 3 with
Shown in Fig. 4, block 23 is pushed against far from the side for pushing against screw rod 22 and offers limiting slot 231, is welded in limiting slot 231 and bolt spiral shell
Line cooperation and piece 232 is screwed in semi-cylindrical type, screws piece 232 and be located at the side for abutting screw rod 22 axial line, bolt and rotation
The position that tight piece 232 contacts is rotated along far from the direction for abutting screw rod 22.It screws piece 232 to be arranged in limiting slot, bolt is supported
Tightly slot bottom of the rear bolt end abutment in limiting slot 231 in limiting slot 231.It pushes against block 23 to slide on 211 surface of bottom plate, bottom plate
Chip-removal hole 214 is offered on 211, chip-removal hole 214 is connected to slippage slot 11.
Pedestal 3 is adjusted as shown in figure 3, slidably connecting on adjusting rod 12, adjusts and offers regulating tank on one end of pedestal 3
31, the end for adjusting pedestal 3 is divided into the first card-tight part 32 and the second card-tight part 33, the first card-tight part 32 and second by regulating tank 31
Card-tight part 33 is located at the left and right sides of regulating tank 31.Regulating tank 31 includes section rounded through-Penetration portion 311 and section in rectangular
The clearance portion 312 of shape, clearance portion 312 are located at the two sides of through-Penetration portion 311, and clearance portion 312 is connected to through-Penetration portion 311, through-Penetration portion 311
Inner wall and adjusting rod 12 outer wall contradict.It adjusts and is threaded with fishbolt 34 on pedestal 3, fishbolt 34 is with first
Card-tight part 32 and the second card-tight part 33 are threadedly coupled, and the length direction of fishbolt 34 is vertical with the length direction of pedestal 3 is adjusted,
Fishbolt 34 is hexagon socket head cap screw.
It adjusts and is threaded with cylindrical adjusting set 4 on the one end of pedestal 3 far from regulating tank 31, adjusting set 4 is vertical
Setting, adjusting set 4 are arranged with swivel becket 41 on one end far from bottom plate 211, swivel becket 41 is fixedly connected with adjusting set 4.It adjusts
It is rotatably connected to torque arm 5 in set 4, torque arm 5 is connected with positioning head 51, the remotely located head of torque arm 5 close to one end of pedestal 1
51 one end is equipped with torque spanner 52.
In conclusion bolt is first placed in limiting slot 231 and is bonded and screws by worker when carrying out the detection of bolt torsion
Then piece 232 is driven by adjusting block 221 and pushes against the rotation of screw rod 22, push against screw rod 22 and move under the drive of screw thread, push against spiral shell
Mobile drive of bar 22 pushes against block 23 towards the movement of stopper 212, and bolt is pushed against on stopper 212, is completed to bolt location
It limits.Then worker unscrews fishbolt 34 by allen wrench, and the inner wall of through-Penetration portion 311 is not outer with adjusting rod 12 at this time
Wall pushes against, and worker, which drives, adjusts the movement of pedestal 3, carries out coarse adjustment.After the position for adjusting pedestal 3 determines, worker screws clamping
Then bolt 34 drives swivel becket 41 to rotate, the rotation of swivel becket 41 drives adjusting set 4 to rotate, and adjusting set 4 is under the drive of screw thread
Mobile, so that positioning head 51 is mobile towards bolt and pushes against with bolt, when positioning head 51 pushes against bolt, bottom plate 211 is in bolt
Drive under move so that bolt is adapted to completely with positioning head 51.Last worker rotates torque spanner 52, and torque spanner 52 rotates
Drive torque arm 5 rotate, torque arm 5 rotation drive positioning head 51 rotate, positioning head 51 rotation drive bolt rotation, at this time due to
The position of bolt is fixed, so that torque spanner 52 can accurately measure the torque value of bolt.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of bolt torsion detection device, including pedestal, which is characterized in that be rotatably connected to torque arm, institute on the pedestal
It states and is provided with torque spanner on torque arm, the torque arm is connected with far from one end of the torque spanner for cooperating with bolt
Positioning head；
The clamping piece for fixing bolt is slidably connected on the pedestal, the clamping piece includes being slidably connected at the pedestal
On glide base, be threaded on the glide base abutting screw rod, be rotatably connected on it is described abutting screw rod on supporting
Tight block, the abutting block are slidably connected on the glide base；
It is fixedly connected on the abutting block and screws piece with what bolt thread cooperated, the piece that screws is located at the abutting screw shaft
The side of heart line, the bolt screw position that piece contacts and rotate along far from the direction for abutting screw rod with described.
2. bolt torsion detection device according to claim 1, which is characterized in that the glide base includes being slidably connected
Bottom plate on the base, is fixedly connected on the bottom plate far from the blocking at the stopper for being fixedly connected on bottom plate one end
The mounting blocks of block one end, the abutting screw flight are connected on the mounting blocks, and the abutting block is towards the stopper
The limiting slot placed for bolt is offered on side；
The piece that screws is arranged in the limiting slot, and bolt is pushed against in the limiting slot rear bolt end abutment described
The slot bottom of limiting slot.
3. bolt torsion detection device according to claim 2, which is characterized in that slippage slot is offered on the pedestal,
The bottom plate is slidably connected in slippage slot, and chip-removal hole is offered on the bottom plate, and the chip-removal hole is connected to the slippage slot.
4. bolt torsion detection device according to claim 3, which is characterized in that the abutting screw rod is far from the abutting
One end of block is fixedly connected with adjusting block, offers non-slip groove on the side outer wall of the adjusting block.
5. bolt torsion detection device according to claim 4, which is characterized in that be fixedly connected with adjusting on the pedestal
Bar, lifting is provided with adjusting pedestal on the adjusting rod, and the torque arm is rotatably connected on the adjusting pedestal.
6. bolt torsion detection device according to claim 5, which is characterized in that opened up on described one end for adjusting pedestal
There is regulating tank, described one end for adjusting pedestal is divided into the first card-tight part and the second card-tight part by the regulating tank；
The regulating tank includes through-Penetration portion and clearance portion, and the gap site is worn in the two sides of the through-Penetration portion, the adjusting rod
It is located in the through-Penetration portion and outer wall and the inner wall of the through-Penetration portion contradicts；
It is threaded on the adjusting pedestal for driving the first card-tight part and the close fishbolt of the second card-tight part.
7. bolt torsion detection device according to claim 6, which is characterized in that the torque arm is by adjusting set and adjusts
Pedestal connection is saved, the adjusting set is connect with the adjusting base thread, and the torque arm is rotatably connected in adjusting set, described
Adjusting set is located at the described adjusting one end of pedestal far from the regulating tank.
8. bolt torsion detection device according to claim 7, which is characterized in that the adjusting set is far from the pedestal
Swivel becket is arranged on one end, the inner wall of the swivel becket is fixedly connected with the outer wall of the adjusting set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655858.XA CN109084925A (en) | 2018-06-23 | 2018-06-23 | A kind of bolt torsion detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655858.XA CN109084925A (en) | 2018-06-23 | 2018-06-23 | A kind of bolt torsion detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109084925A true CN109084925A (en) | 2018-12-25 |
Family
ID=64840170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810655858.XA Pending CN109084925A (en) | 2018-06-23 | 2018-06-23 | A kind of bolt torsion detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109084925A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116412949A (en) * | 2023-02-17 | 2023-07-11 | 浙江群展精密紧固件股份有限公司 | Bolt torsion detection equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2639865Y (en) * | 2003-06-27 | 2004-09-08 | 浙江省标准件检测中心 | Digital display type fastening piece special torque force testing instrument |
| CN102749161A (en) * | 2011-04-20 | 2012-10-24 | 鸿富锦精密工业（深圳）有限公司 | Torsion testing device |
| CN204694393U (en) * | 2015-06-19 | 2015-10-07 | 昌辉汽车电器（黄山）股份公司 | A kind of screw torque force checking device |
-
2018
- 2018-06-23 CN CN201810655858.XA patent/CN109084925A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2639865Y (en) * | 2003-06-27 | 2004-09-08 | 浙江省标准件检测中心 | Digital display type fastening piece special torque force testing instrument |
| CN102749161A (en) * | 2011-04-20 | 2012-10-24 | 鸿富锦精密工业（深圳）有限公司 | Torsion testing device |
| CN204694393U (en) * | 2015-06-19 | 2015-10-07 | 昌辉汽车电器（黄山）股份公司 | A kind of screw torque force checking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116412949A (en) * | 2023-02-17 | 2023-07-11 | 浙江群展精密紧固件股份有限公司 | Bolt torsion detection equipment |
| CN116412949B (en) * | 2023-02-17 | 2023-10-17 | 浙江群展精密紧固件股份有限公司 | Bolt torsion detection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DK3067487T3 (en) | SYSTEM AND PROCEDURE FOR FITTING ADJUSTMENT OF A PANEL | |
| CN101256104B (en) | Operation apparatus for testing dial torque wrench | |
| US20120129658A1 (en) | Adjustable Exercise Bar | |
| CN208420565U (en) | A kind of reinforcing steel bar bending tester | |
| JP5090665B2 (en) | Tightening lever with vertically adjustable thrust bearing | |
| CN109084925A (en) | A kind of bolt torsion detection device | |
| CN209148464U (en) | A kind of concrete bouncing back instrument | |
| CN208520512U (en) | A kind of bolt torque tester | |
| CN208805129U (en) | Pitch diameter of thread bounce gauge | |
| CN206876171U (en) | A kind of support for being used to support total powerstation | |
| CN212931384U (en) | Metal ring inner diameter detection device | |
| CN207113827U (en) | Multi-diameter shaft jitter detection apparatus | |
| CN109916354A (en) | A kind of rotary digging stake sediment thickness detection device | |
| CN206709868U (en) | A kind of detection device with all-directional rotation fixture | |
| CN212390983U (en) | High accuracy floor thickness detector | |
| CN209014514U (en) | Wall defect detection equipment | |
| CN104390737B (en) | Screwdriver slot torque test method of fastener and test device for implementing the method | |
| CN109141169A (en) | A kind of pitch diameter of thread bounce gauge | |
| CN217504559U (en) | Long and thin hexagonal screw leads to only check out test set | |
| CN104458090B (en) | Sidewall contact device of logging device universal measurement device | |
| CN211374318U (en) | Fastening detection device for steel structure engineering | |
| CN109187331B (en) | Method for rapidly measuring road pavement friction force | |
| CN219590238U (en) | Probe structure of magnetic particle inspection instrument | |
| CN206635828U (en) | Power rod positioning guiding rack | |
| CN219390944U (en) | Topography measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181225 |
|
| RJ01 | Rejection of invention patent application after publication |