CN207846111U - Railway sleeper bolt derusting mechanism and hand-held rust remover - Google Patents
Railway sleeper bolt derusting mechanism and hand-held rust remover Download PDFInfo
- Publication number
- CN207846111U CN207846111U CN201721803245.3U CN201721803245U CN207846111U CN 207846111 U CN207846111 U CN 207846111U CN 201721803245 U CN201721803245 U CN 201721803245U CN 207846111 U CN207846111 U CN 207846111U
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- Prior art keywords
- derusting
- bolt
- sleeve
- hole
- derusted
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- 230000007246 mechanism Effects 0.000 title claims abstract description 56
- 241001669679 Eleotris Species 0.000 title claims abstract description 47
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims description 24
- 238000003466 welding Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 12
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003456 pulmonary alveoli Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a kind of railway sleeper bolt derusting mechanism, including sleeve and scaling brush；It is offered on sleeve through the derusting hole of its front end face, derusting hole is for accommodating bolt to be derusted；Scaling brush includes a swipe, and swipe is equipped with the rack being meshed with the threaded portion of bolt to be derusted, and scaling brush is removably attachable to the side wall of sleeve, and rack stretches into derusting hole；Sleeve rotates and scaling brush is driven to be rotated around bolt to be derusted to clear up bolt to be derusted.Since rack is engaged in the threaded portion of bolt to be derusted, scaling brush can faster, more neatly brush the corrosion of bolt surface when rotating, and improve cleaning efficiency and quality, mitigate the labor intensity of staff；In addition, by replacing different types of scaling brush, it can be used for derusting to various types of railway sleeper bolts, use more flexible convenience.A kind of hand-held rust remover with the railway sleeper bolt derusting mechanism is also disclosed in the utility model.
Description
Technical field
The utility model is related to derusting device technical field more particularly to a kind of railway sleeper bolt derusting mechanism and have
The hand-held rust remover of the mechanism.
Background technology
It is well known that railway sleeper bolt is chronically exposed to outside by erosion by wind and rain, easily corrosion fails or fastener is made to withhold
Power reduces, and the anchorage screw for replacing failure will expend a large amount of manpower, material resources and financial resources, therefore in order to extend the service life of bolt,
Need to carry out the operational maintenance derusting work of sleeper bolt.
Most common sleeper bolt derusting mode is hand cleaning at present, that is, holds wire brush in railway by staff
On sleeper bolt is cleared up one by one, the mode of pure manual cleanup is less efficient, and the labor intensity for working at the same time personnel is higher.
Also there is only a few place using rust remover to clear up sleeper bolt, but since the driving mechanism of existing rust remover need to connect electricity
Source, and rust remover has larger volume and weight, and when working on the railroad track, staff lifts rust remover shifting at any time
It is dynamic more difficult, and the cable that drags below of rust remover moves it and causes to limit, and causes operation still more inconvenient.
Therefore, it is necessary to provide a kind of cleaning efficiency and high, easy to remove, the easy-operating hand-held rust remover of quality and its
Railway sleeper bolt derusting mechanism, come solve it is above-mentioned the problems of in the prior art.
Utility model content
The purpose of this utility model is to provide a kind of cleaning efficiencies and high, easy to remove, the easy-operating rail of quality
Rest the head on descaling bolts mechanism.
The another object of the utility model is to provide a kind of cleaning efficiency and high, easy to remove, the easy-operating hand of quality
Hold formula rust remover.
To achieve the above object, the technical solution of the utility model is：A kind of railway sleeper bolt derusting mechanism is provided,
Including sleeve and scaling brush；It is offered on sleeve through the derusting hole of its front end face, the derusting hole is for accommodating spiral shell to be derusted
Bolt；Scaling brush includes a swipe, and the swipe is equipped with the rack being meshed with the threaded portion of the bolt to be derusted, described to remove
Rust brush is removably attachable to the side wall of the sleeve, and the rack stretches into the derusting hole；The sleeve rotates and band
The scaling brush is moved around the bolt rotation to be derusted to clear up the bolt to be derusted.
Preferably, offering the opening for being connected to the derusting hole on the side wall of the sleeve, the rack is opened by described
Mouth stretches into the derusting hole.
Preferably, the scaling brush further includes an installation sheet, one end of the installation sheet and the side wall of the sleeve are removable
It connects with unloading, the other end of the installation sheet connects the swipe.
Preferably, the installation sheet is mutually welded with the swipe.
Preferably, offer through-hole on the installation sheet, offer mounting hole on the side wall of the sleeve, connector according to
It is secondary to be removably attachable to the through-hole, in the mounting hole.
Preferably, the side wall of the sleeve be concavely provided with the installation sheet relative to card slot, the installation sheet card sets
In in the card slot and being connected to the side wall of the sleeve.
It is connected to the derusting hole and the chip-removal hole through its front end face preferably, being further opened on the side wall of the sleeve.
Preferably, the front end of the side wall of the sleeve, which is equipped with bolt to be derusted described in guiding, enters drawing for the derusting hole
Guiding incline.
Preferably, the rear end face of the sleeve is also convexly equipped with a connecting pin, offered on the connecting pin through its end face
Connecting hole, the connecting pin is detachably connectable to driving mechanism by the connecting hole.
Accordingly, the utility model also provides a kind of hand-held rust remover comprising driving mechanism and railway sleeper bolt
Derusting mechanism, driving mechanism include main body, hand-held part and power supply, the both ends of the hand-held part be separately connected the main body,
The power supply, and be provided with the driving motor being connected with the power supply in the main body and connect simultaneously with the driving motor
Protrude out the connector of the main body；Railway sleeper bolt derusting mechanism is removably attachable to the connector, the drive
Dynamic motor drives the connector rotation and the sleeve is driven to rotate.
Compared with prior art, it due to the railway sleeper bolt derusting mechanism of the utility model, offers and passes through on sleeve
The derusting hole of its front end face is worn, which is detachably connected on the side wall of sleeve and removes for accommodating bolt to be derusted
Rust brush, scaling brush include a swipe, and swipe is equipped with the rack being meshed with the threaded portion of the bolt to be derusted, and rack stretches into
It derusts in hole, when being rotated by driving mechanism drive sleeve, sleeve drives scaling brush to be rotated around bolt to be derusted to clear up
State bolt to be derusted.It, can faster, more totally when scaling brush rotates since rack is engaged in the threaded portion of bolt to be derusted
Ground brushes the corrosion of bolt surface, improves cleaning efficiency and quality, mitigates the labor intensity of staff；In addition, by more
Different types of scaling brush is changed, can be used for derusting to various types of railway sleeper bolts, use more flexible convenience.
Accordingly, the hand-held rust remover with the railway sleeper bolt derusting mechanism also has the same effect, and
Since the volume and weight of hand-held rust remover is all smaller, convenient for moving and operate on railroad sleeper, using more convenient,
Further increase the cleaning efficiency to railway sleeper bolt.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model railway sleeper bolt derusting mechanism.
Fig. 2 is the structural schematic diagram of Fig. 1 middle sleeves.
Fig. 3 is the front view of Fig. 2 middle sleeves.
Fig. 4 is the vertical view of Fig. 2 middle sleeves.
Fig. 5 is the structural schematic diagram of scaling brush in Fig. 1.
Fig. 6 is the vertical view of scaling brush in Fig. 5.
Fig. 7 is the side view of scaling brush in Fig. 5.
Fig. 8 is the decomposition diagram of the utility model hand-held rust remover.
Specific implementation mode
The embodiments of the present invention are described referring now to the drawings, similar element numbers represent similar member in attached drawing
Part.
It combines first shown in Fig. 1 and Fig. 8, railway sleeper bolt derusting mechanism 100 provided by the utility model, detachably
Ground is connected to driving mechanism 200, drives its rotation by driving mechanism 200, and then realize the cleaning to railway sleeper bolt.
As shown in Figure 1, the railway sleeper bolt derusting mechanism 100 of the utility model includes sleeve 110 and at least one removes
The rear end of rust brush 120, sleeve 110 is used for and driving mechanism 200 is detachably connected, and the front end of sleeve 110 is offered through it
The derusting hole 111 of front end face, the derusting hole 111 is for accommodating bolt to be derusted；Scaling brush 120 is removably attachable to sleeve
110 side wall, and scaling brush 120 stretches into derusting hole 111 to be meshed with bolt to be derusted, when 200 actuating sleeve of driving mechanism
When cylinder 110 rotates, the scaling brush 120 will be driven around the bolt rotation to be derusted to clear up the bolt to be derusted.
In one preferred embodiment of the utility model, if there are two scaling brush 120, two scaling brush 120 are relatively symmetrically connected to
On sleeve 110.
Referring now to shown in Fig. 5-7, each scaling brush 120 includes the installation sheet 121 being connected and a swipe 122,
121 elongated laminated structure of installation sheet, and one end of installation sheet 121 offers through-hole 1211, the other end of installation sheet 121 is solid
Surely the swipe 122 is connected；The another side of the separate installation sheet 121 of swipe 122 is equipped with the spiral shell with the bolt to be derusted
The rack 1221 that line portion is meshed.Scaling brush 120 is removably attachable to by installation sheet 121 on sleeve 110, and rack 1221
It stretches into the derusting hole 111 to be meshed with bolt to be derusted.Since scaling brush 120 uses detachably connected structure, because
This can select the scaling brush 120 of respective type to install and use, railway sleeper bolt made to remove according to different types of bolt to be derusted
Rust mechanism 100 is applicable to various types of railway sleeper bolts.
More specifically, rack 1221 includes the multiple double wedges 1222 being separately arranged, multiple double wedges 1222 are along swipe 122
Length direction arranges, and the double wedge 1222 is engageable in the alveolus of the threaded portion of bolt to be derusted, correspondingly, adjacent two double wedge
Recessed portion between 1222 is meshed with the thread of the threaded portion of bolt to be derusted, therefore, when scaling brush 120 surrounds spiral shell to be derusted
When bolt rotates, rack 1221 can remove the corrosion in bolt thread portion.
In the utility model, swipe 122 with larger intensity and wear-resisting metal material by being integrally formed, and swipe
It is mutually welded between 122 and installation sheet 121, but not limited to this, metal material one with larger intensity and wear-resisting can also be used
Body formed scaling brush 120.
Referring now to two openings for shown in Fig. 2-4, offering the connection derusting hole 111 on the side wall of the sleeve 110
112, two openings 112 run through the front end face of sleeve 110；Meanwhile connection derusting hole 111 is further opened on the side wall of sleeve 110
And through two chip-removal holes 113 of its front end face, two chip-removal holes 113 are separately arranged with two openings 112.Each scaling brush 120 is logical
It crosses its installation sheet 121 to be fixed on the side wall of sleeve 110, and its rack 1221 stretches into the derusting hole 111 by an opening 112
It is interior.When surrounding the bolt rotation being contained in derusting hole 111 with scaling brush 120 by 110 band of sleeve, rack 1221 can be by bolt
On corrosion remove, in descaling process, the rusty stain that falls off can be excluded outside derusting hole 111 by two chip-removal holes 113, prevent from derusting
Hole 111 blocks.
Further, the front end of the side wall of the sleeve 110, which is equipped with, guides bolt to be derusted to enter drawing for derusting hole 111
Guiding incline 114, in order in descaling process with bolt rapid-aligning, to make the bolt smoothly enter the derusting hole
In 111.
With continued reference to shown in Fig. 2-4, the side wall of sleeve 110 is concavely provided with the symmetrical card slot 115 of two-phase, each card slot 115
Position it is 112 correspondings with an opening respectively, and be further opened with mounting hole 116 in card slot 115, when connecting scaling brush 120, install
Piece 121 is arranged in card slot 115 and keeps through-hole 1211 thereon corresponding with mounting hole 116, detachable successively by connector
Ground is connected in the through-hole 1211, mounting hole 116 to realize the connection of the two.Wherein, connector is preferably screw, to make
Installation, the dismounting of scaling brush 120 are all more convenient, and certain connector is not limited.
It recombines shown in Fig. 2-4, Fig. 8, the rear end face of the sleeve 110 is also convexly equipped with a connecting pin 117, connecting pin
117 offer the connecting hole 118 through its end face, meanwhile, connecting pin 117 is further opened with the mounting hole 119 through its side wall.It will
When sleeve 110 is connected to driving mechanism 200, the connecting hole 118 of connecting pin 117 is made to be sheathed on the connector 210 of driving mechanism 200
Outside, and connector 210 is removably attachable to by fixing piece and mounting hole 119 realizes the installation of sleeve 110, make sleeve 110
More convenient and quicker it can be installed and dismantle with driving mechanism 200.
Preferably, the connecting hole 118 in the utility model is square hole, in order to the company of sleeve 110 and driving mechanism 200
It connects, and makes stable connection.Certainly, connecting hole 118 can also be arranged to other shapes.
Shown in Fig. 8, hand-held rust remover 1 provided by the utility model comprising railway sleeper bolt removes
Rust mechanism 100 and driving mechanism 200, railway sleeper bolt derusting mechanism 100 are removably connected to the driving mechanism 200.Wherein,
Therefore the structure of railway sleeper bolt derusting mechanism 100 is as described above, be not repeated to describe.
Shown in Fig. 8, driving mechanism 200 include main body 210, hand-held part 220 and power supply 230, the two of hand-held part 220
End is separately connected main body 210 and power supply 230, is provided with driving motor in main body 210 and connect and protrude out with driving motor
Go out the connector 211 of main body 210, and driving motor is connected with power supply 230, Operation switch 212 is additionally provided on main body 210
And indicator light 213.The sleeve 110 of railway sleeper bolt derusting mechanism 100 is removably attachable to connector 211, driving motor
It is drivingly connected head 211 to rotate, and then is rotated with moving sleeve 110, to make scaling brush 120 derust bolt.
Preferably, the power supply 230 is preferably lithium battery, and power supply 230 is removably attachable to hand-held part 220, passes through
Lithium battery powers to driving motor, makes hand-held rust remover 1 that there is smaller volume and weight, easy to carry its to be moved
And derusting operation.
The driving mechanism 200 of the utility model hand-held rust remover 1 preferably uses electric drill purchased in market, therefore more detailed for it
Thin structure repeats no more.Certainly, driving mechanism 200 is not limited, and can also be flexibly arranged according to actual needs.
With reference to shown in Fig. 1-8, the operation principle and process of the utility model hand-held rust remover 1 is described.
When work, staff holds the hand-held part 220 of rust remover 1, and first derusting mechanism 100 is sheathed on railroad sleeper
Bolt to be derusted outside, that is, sleeve 110 is sheathed on outside bolt to be derusted, make the bolt to be derusted be placed in derusting hole 111
Interior, the rack 1221 of scaling brush 120 is engaged on the external screw thread of the bolt to be derusted at this time.Then made by Operation switch 212
Driving motor operation is to be drivingly connected first 211 rotation, and thus band moving sleeve 110 rotates, and sleeve 110 drives 120 turns of scaling brush again
It moves and rack 1221 is made to be rotated along the external screw thread of the bolt to be derusted, rack 1221 is made to contact friction with the external screw thread of the bolt,
To which the corrosion of bolt surface be removed.During this, the rusty stain to fall off is due to the effect of centrifugal force and from 113 row of chip-removal hole
It removes, prevents from blocking derusting hole 111.
After the cleaning for completing a bolt, rust remover 1 is closed by Operation switch 212, one hand, which lifts rust remover 1, to incite somebody to action
It is moved at next bolt to be derusted, and derusting mechanism 100 is sheathed on outside the bolt to be derusted can carry out again again
Cleaning.It is small, light-weight due to rust remover 1, it is more convenient, convenient to move it, it further increases to railroad sleeper
The cleaning efficiency of bolt.
To sum up, it due to the railway sleeper bolt derusting mechanism 100 of the utility model, is offered through it on sleeve 110
The derusting hole 111 of front end face, the derusting hole 111 are used to accommodate bolt to be derusted, and detachably connected on the side wall of sleeve 110
It includes a swipe 122 to have scaling brush 120, scaling brush 120, and swipe 122 is equipped with mutually nibbles with the threaded portion of the bolt to be derusted
The rack 1221 of conjunction, rack 1221 stretches into derusting hole 111, when being rotated by 200 drive sleeve 110 of driving mechanism, sleeve 110
It drives scaling brush 120 to be rotated around bolt to be derusted to clear up the bolt to be derusted, is engaged in by rack 1221 and waits derusting
The threaded portion of bolt, therefore can faster, more neatly brush the corrosion of bolt surface when the rotation of scaling brush 120, it improves clear
Efficiency and quality are managed, the labor intensity of staff is mitigated；In addition, by replacing different types of scaling brush 120, can be used for pair
Various types of railway sleeper bolts derust, and use more flexible convenience.
Accordingly, the hand-held rust remover 1 of the utility model has above-mentioned railway sleeper bolt derusting mechanism 100, therefore
Also it has the same effect；In addition, since the volume and weight of hand-held rust remover 1 is all smaller, convenient in railroad sleeper
Upper movement and operation further increase the cleaning efficiency to railway sleeper bolt using more convenient.
It above disclosure is merely preferred embodiments of the utility model, certainly cannot be new to limit this practicality with this
The interest field of type, therefore equivalent variations made according to the patent scope of the utility model still belong to the utility model and are covered
Range.
Claims (10)
1. a kind of railway sleeper bolt derusting mechanism, which is characterized in that including：
Sleeve is offered thereon through the derusting hole of its front end face, and the derusting hole is for accommodating bolt to be derusted；
Scaling brush a comprising swipe, the swipe are equipped with the rack being meshed with the threaded portion of the bolt to be derusted, institute
The side wall that scaling brush is removably attachable to the sleeve is stated, and the rack stretches into the derusting hole；
The sleeve rotates and drives the scaling brush around the bolt rotation to be derusted to clear up the bolt to be derusted.
2. railway sleeper bolt derusting mechanism as described in claim 1, which is characterized in that offered on the side wall of the sleeve
It is connected to the opening in the derusting hole, the rack is stretched by the opening in the derusting hole.
3. railway sleeper bolt derusting mechanism as described in claim 1, which is characterized in that the scaling brush further includes an installation
Piece, one end of the installation sheet and the side wall of the sleeve are detachably connected, and the other end of the installation sheet connects the brush
Item.
4. railway sleeper bolt derusting mechanism as claimed in claim 3, which is characterized in that the installation sheet and the swipe phase
Welding.
5. railway sleeper bolt derusting mechanism as claimed in claim 3, which is characterized in that offered on the installation sheet logical
Hole offers mounting hole on the side wall of the sleeve, and connector is removably attachable to the through-hole, the mounting hole successively
It is interior.
6. railway sleeper bolt derusting mechanism as claimed in claim 3, which is characterized in that the side wall of the sleeve is concavely provided with
With the installation sheet relative to card slot, the installation sheet is arranged in the card slot and is connected to the side wall of the sleeve.
7. railway sleeper bolt derusting mechanism as described in claim 1, which is characterized in that also opened up on the side wall of the sleeve
Have and is connected to the derusting hole and the chip-removal hole through its front end face.
8. railway sleeper bolt derusting mechanism as described in claim 1, which is characterized in that the front end of the side wall of the sleeve
Enter the lead-in chamfered in the derusting hole equipped with bolt to be derusted described in guiding.
9. railway sleeper bolt derusting mechanism as described in claim 1, which is characterized in that the also projection of the rear end face of the sleeve
There is a connecting pin, the connecting hole through its end face is offered on the connecting pin, the connecting pin is removable by the connecting hole
It is connected to driving mechanism with unloading.
10. a kind of hand-held rust remover, which is characterized in that including：
Driving mechanism comprising the both ends of main body, hand-held part and power supply, the hand-held part are separately connected the main body, institute
Power supply is stated, and is provided with the driving motor being connected with the power supply in the main body and is connect with the driving motor and convex
Stretch out the connector of the main body；
Such as claim 1-9 any one of them railway sleeper bolt derusting mechanisms, it is removably attachable to the connector,
The driving motor drives the connector rotation and the sleeve is driven to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721803245.3U CN207846111U (en) | 2017-12-19 | 2017-12-19 | Railway sleeper bolt derusting mechanism and hand-held rust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721803245.3U CN207846111U (en) | 2017-12-19 | 2017-12-19 | Railway sleeper bolt derusting mechanism and hand-held rust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207846111U true CN207846111U (en) | 2018-09-11 |
Family
ID=63421793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721803245.3U Expired - Fee Related CN207846111U (en) | 2017-12-19 | 2017-12-19 | Railway sleeper bolt derusting mechanism and hand-held rust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207846111U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382745A (en) * | 2018-12-03 | 2019-02-26 | 赣州润达服装有限公司 | A kind of part derusting mechanism being integrally formed knitting machine |
| CN110091239A (en) * | 2019-06-05 | 2019-08-06 | 重庆鼎誉机电有限公司 | A kind of descaling bolts sweep lubricating integrated machine |
| CN110450035A (en) * | 2019-09-17 | 2019-11-15 | 陕西陕煤韩城矿业有限公司 | A kind of mining device removed bolt corrosion and repair bolt |
| CN110616601A (en) * | 2019-10-31 | 2019-12-27 | 郑州铁路职业技术学院 | Railway sleeper bolt rust cleaning protector |
| CN110700028A (en) * | 2019-10-31 | 2020-01-17 | 郑州铁路职业技术学院 | A continuous rail bolt rust removal device |
| CN110777579A (en) * | 2019-11-12 | 2020-02-11 | 苏州路云机电设备有限公司 | Sleeper bolt descaling machine |
| CN111841993A (en) * | 2020-06-10 | 2020-10-30 | 中国一冶集团有限公司 | Integrative device of bolt rust cleaning fat liquoring maintenance |
| CN116141165A (en) * | 2022-10-14 | 2023-05-23 | 贵州电网有限责任公司 | Special rust cleaning instrument of bolt |
-
2017
- 2017-12-19 CN CN201721803245.3U patent/CN207846111U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382745A (en) * | 2018-12-03 | 2019-02-26 | 赣州润达服装有限公司 | A kind of part derusting mechanism being integrally formed knitting machine |
| CN110091239A (en) * | 2019-06-05 | 2019-08-06 | 重庆鼎誉机电有限公司 | A kind of descaling bolts sweep lubricating integrated machine |
| CN110450035A (en) * | 2019-09-17 | 2019-11-15 | 陕西陕煤韩城矿业有限公司 | A kind of mining device removed bolt corrosion and repair bolt |
| CN110616601A (en) * | 2019-10-31 | 2019-12-27 | 郑州铁路职业技术学院 | Railway sleeper bolt rust cleaning protector |
| CN110700028A (en) * | 2019-10-31 | 2020-01-17 | 郑州铁路职业技术学院 | A continuous rail bolt rust removal device |
| CN110616601B (en) * | 2019-10-31 | 2020-11-17 | 郑州铁路职业技术学院 | Railway sleeper bolt rust cleaning protector |
| CN110777579A (en) * | 2019-11-12 | 2020-02-11 | 苏州路云机电设备有限公司 | Sleeper bolt descaling machine |
| CN111841993A (en) * | 2020-06-10 | 2020-10-30 | 中国一冶集团有限公司 | Integrative device of bolt rust cleaning fat liquoring maintenance |
| CN116141165A (en) * | 2022-10-14 | 2023-05-23 | 贵州电网有限责任公司 | Special rust cleaning instrument of bolt |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20211219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |