CN207431956U - A kind of efficient spring process equipment of environmental protection - Google Patents
A kind of efficient spring process equipment of environmental protection Download PDFInfo
- Publication number
- CN207431956U CN207431956U CN201721299062.2U CN201721299062U CN207431956U CN 207431956 U CN207431956 U CN 207431956U CN 201721299062 U CN201721299062 U CN 201721299062U CN 207431956 U CN207431956 U CN 207431956U
- Authority
- CN
- China
- Prior art keywords
- spring
- fixedly connected
- bottom plate
- bar
- fixed frame
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000007613 environmental effect Effects 0.000 title claims abstract description 22
- 238000005498 polishing Methods 0.000 claims abstract description 40
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A kind of efficient spring process equipment of environmental protection, including bottom plate apparatus, above the bottom plate apparatus the first fixing device of the left and right sides, the second fixing device being arranged between first fixing device, the electric machine being arranged on the bottom plate apparatus, the sanding apparatus that is arranged on the electric machine.Spring to the polishing significant effect of spring, while in spring can be fixed by polishing respectively the inner wall and outer wall of spring, ensure to be smoothed out spring polishing, ensure the stability of polishing operation by the utility model.
Description
Technical field
The utility model is related to spring processing technique field, the efficient spring processing more particularly, to a kind of environmental protection is set
It is standby.
Background technology
Spring in use, due to humid environment etc., can get rusty on its outer surface, so as to can not only influence
The beauty of spring not environmentally, and influences the stability of spring, shortens the service life of spring.Existing elasticity derusting polishing
Device can not realize the operation that sufficiently derusts to spring, and derusting effect is undesirable, can not meet the needs of spring derusting.
Therefore, it is necessary to a kind of new technical solution is provided to overcome drawbacks described above.
Utility model content
The purpose of this utility model is to provide a kind of efficient springs for the environmental protection that can effectively solve above-mentioned technical problem
Process equipment.
To reach the purpose of the utility model, adopt the following technical scheme that：
A kind of efficient spring process equipment of environmental protection, including bottom plate apparatus, two above the bottom plate apparatus or so
First fixing device of side, the second fixing device being arranged between first fixing device are arranged at the bottom plate apparatus
On electric machine, the sanding apparatus that is arranged on the electric machine, the bottom plate apparatus includes bottom plate, positioned at the bottom plate
Several universal wheels of lower section, the first fixed frame above the bottom plate, the second fixed frame, first fixing device are equipped with
Two and respectively be located at second fixed frame the left and right sides, first fixing device include the first locating rod, be arranged at
First in first locating rod bar abutted against, be arranged at described first and abut against the first spring of boom end, be arranged at the bottom
The first fixed link on plate, second fixing device include supporting block, the supporting rack above the supporting block, are arranged at
Second locating rod of the left and right sides above the supporting block is arranged at the second of the second positioning boom end and abuts against bar, is located at
Second spring above second locating rod, the electric machine include supporting rod, the cross bar above the supporting rod,
Motor positioned at the crossbar end, the locating piece below the motor, are arranged at left and right sides of the shaft shaft
Stent, the sanding apparatus set there are two and respectively be located at the shaft the left and right sides, the sanding apparatus include polishing bar,
It is arranged at several first sanding blocks on the outside of the polishing bar, several second sanding blocks being arranged on the inside of the polishing bar, position
Connecting rod above second sanding block, above and below the connecting rod the 3rd spring of both sides, be arranged at the connection
4th spring of boom end.
First fixed frame in the cylinder that cross section is annulus, consolidate by lower surface and the bottom plate of first fixed frame
Fixed connection, second fixed frame in the cylinder that cross section is annulus, consolidate by lower surface and the bottom plate of second fixed frame
Fixed connection, first fixed frame are contained in second fixed frame.
The lower end of first locating rod is fixedly connected with the bottom plate, and described first abuts against bar through the described first positioning
The left and right surface of bar and with its sliding contact, described first abut against bar act against on the upper surface of second fixed frame and and its
Sliding contact.
The lower end of first fixed link is fixedly connected with the bottom plate, and one end of first spring is solid with described first
Fixed pole is fixedly connected, and the other end of first spring is fixedly connected with first end for abutting against bar.
The lower end of the supporting block is fixedly connected with the bottom plate, and the upper end of the supporting block is fixed with support frame as described above to be connected
Connect, support frame as described above is contained in first fixed frame, second locating rod through support frame as described above surfaces externally and internally and
With its sliding contact.
Described second, which abuts against bar, sets there are two and is located at the left and right sides of support frame as described above respectively, second locating rod
End is fixedly connected with second side for abutting against bar, and the second spring sets there are two and is located at support frame as described above respectively
The left and right sides, one end of the second spring are fixedly connected with support frame as described above, the other end of the second spring and the branch
Support is fixedly connected.
The supporting rod is in vertical shape, and the lower end of the supporting rod is fixedly connected with the bottom plate, the supporting rod it is upper
End is fixedly connected with the cross bar, and the left end of the cross bar is fixedly connected with the motor, and the motor is located at support frame as described above
Top, the upper surface of the locating piece is fixedly connected with the lower surface of the motor.
The upper end of the shaft is connected with the motor, and the shaft runs through the upper and lower surface of the locating piece and slided with it
Dynamic contact, the branch are provided with two and are located at the left and right sides of the shaft, the both ends of the stent and the shaft respectively
Side be fixedly connected.
First sanding block is equipped with several, and first sanding block is fixedly connected with the polishing bar, and described second
Sanding block is equipped with several, and second sanding block is fixedly connected with the polishing bar.
One end of the connecting rod is fixedly connected with the side of the polishing bar, and the connecting rod runs through a left side for the stent
Right surface and with its sliding contact, there are two the 3rd spring is set, one end of the 3rd spring and the side of the polishing bar
Face is fixedly connected, and the other end of the 3rd spring is fixedly connected with the stent, one end of the 4th spring with described turn
The side of axis is fixedly connected, and the other end of the 4th spring is fixedly connected with the end of the connecting rod.
Compared with prior art, the utility model has the advantages that：The efficient spring of the utility model environmental protection
Process equipment is by respectively polishing to the inner wall and outer wall of spring, to the polishing significant effect of spring, while can be in bullet
Spring fixes spring, ensures to be smoothed out spring polishing, ensures the stability of polishing operation.
Description of the drawings
Fig. 1 is the structure diagram of the efficient spring process equipment of the utility model environmental protection.
Specific embodiment
Clearly complete explanation is made to the efficient spring process equipment of the utility model environmental protection below in conjunction with attached drawing.
As shown in Figure 1, the efficient spring process equipment of the utility model environmental protection includes bottom plate apparatus 1, positioned at the bottom
First fixing device 2 of the 1 top left and right sides of panel assembly, the second fixing device being arranged between first fixing device 2
3rd, the electric machine 4 being arranged on the bottom plate apparatus 1, the sanding apparatus 5 being arranged on the electric machine 4.
As shown in Figure 1, the bottom plate apparatus 1 includes bottom plate 11, several universal wheels 12 positioned at 11 lower section of bottom plate, position
The first fixed frame 13, the second fixed frame 14 above the bottom plate 11.The bottom plate 11 is in cuboid.The universal wheel 12 is set
There are four, the universal wheel 12 is arranged on the lower surface of the bottom plate 11, and the universal wheel 12 can drive the bottom plate 11
It is mobile.First fixed frame 13 is in the cylinder that cross section is annulus, lower surface and the bottom plate of first fixed frame 13
11 are fixedly connected.Second fixed frame 14 is in the cylinder that cross section is annulus, the lower surface of second fixed frame 14 and institute
It states bottom plate 11 to be fixedly connected, first fixed frame 13 is contained in second fixed frame 14.The lower end of spring is contained in institute
It states in the first fixed frame 13 and the second fixed frame 14, and leans against outer surface and the second fixed frame 14 of the first fixed frame 13 surely
On inner surface, so as to which spring is fixed.
As shown in Figure 1, first fixing device 2 sets there are two and is located at the left and right two of second fixed frame 14 respectively
Side, first fixing device 2 includes the first locating rod 22, first be arranged in first locating rod 22 abuts against bar 21,
It is arranged at described first and abuts against the first spring 23 of 21 end of bar, the first fixed link 24 being arranged on the bottom plate 11.It is described
First locating rod 22 is in cuboid, and the lower end of first locating rod 22 is fixedly connected with the bottom plate 11.Described first abuts against
Bar 21 is horizontal, described first abut against bar 21 through first locating rod 22 left and right surface and with its sliding contact, make
Described first abut against bar 21 and can move left and right, described first abuts against the upper surface that bar 21 acts against second fixed frame 14
It is upper and with its sliding contact so that described first, which abuts against bar 21, smoothly to move left and right.First fixed link 24 is in length
Cube, the lower end of first fixed link 24 are fixedly connected with the bottom plate 11.One end of first spring 23 and described the
One fixed link 24 is fixedly connected, and the other end of first spring 23 is fixedly connected with first end for abutting against bar 21, institute
It states the first spring 23 and is in compressive state, first spring 23 promotes described first to abut against bar 21 so that described first abuts against
Bar 21 is tightly acted against on spring.
As shown in Figure 1, second fixing device 3 is contained in first fixed frame 13, second fixing device 3
Supporting rack 32 including supporting block 31, above the supporting block 31 is arranged at the left and right sides above the supporting block 31
Second locating rod 33 is arranged at the second of 33 end of the second locating rod and abuts against bar 35, in second locating rod 33
The second spring 34 of side.The supporting block 31 is in cuboid, and the lower end of the supporting block 31 is fixedly connected with the bottom plate 11, institute
The upper end for stating supporting block 31 is fixedly connected with support frame as described above 32.Support frame as described above 32 is in concave shape, and support frame as described above 32 accommodates
In in first fixed frame 13.There are two second locating rod 33 is set, second locating rod 33 is horizontal, and described
Two locating rods 33 through support frame as described above 32 surfaces externally and internally and with its sliding contact so that second locating rod 33 can be steady
Fixed moves left and right.Described second, which abuts against bar 35, sets there are two and is located at the left and right sides of support frame as described above 32 respectively, and described the
Two lower surfaces for abutting against bar 35 can act against on the upper surface of first fixed frame 13 and with its sliding contact, described second
The end of locating rod 33 is fixedly connected with second side for abutting against bar 35.There are two the second spring 34 is set and difference position
In the left and right sides of support frame as described above 32, one end of the second spring 34 is fixedly connected with support frame as described above 32, and described second
The other end of spring 34 is fixedly connected with support frame as described above 32, and the second spring 34 is in compressive state, the second spring
34 promote described second to abut against bar 35 outward.
As shown in Figure 1, the electric machine 4 includes supporting rod 41, the cross bar above the supporting rod 41, positioned at institute
It states the motor 42 of crossbar end, the locating piece 43 positioned at 42 lower section of the motor, shaft 44, be arranged at the shaft 44 or so two
The stent 45 of side.The supporting rod 41 is in vertical shape, and the lower end of the supporting rod 41 is fixedly connected with the bottom plate 11, the branch
The upper end of strut 41 is fixedly connected with the cross bar.The left end of the cross bar is fixedly connected with the motor 42.The motor 42
With power supply electric connection (not shown), electric energy is provided for it, the motor 42 is equipped with switch (not shown), facilitates and controls its dozen
On or off is closed, and the motor 42 is located at the top of support frame as described above 32.The locating piece 43 is in cuboid, the locating piece 43
Upper surface be fixedly connected with the lower surface of the motor 41.The upper end of the shaft 44 is connected with the motor 42 so that institute
Stating motor 42 can drive the shaft 44 to rotate, and the shaft 44 runs through the upper and lower surface of the locating piece 43 and slided with it
Contact so that the rotation that the shaft 44 can be stablized.The stent 45 sets there are two and is located at a left side for the shaft 44 respectively
Right both sides, the stent 45 are in the concave shape that side is put, and the both ends of the stent 45 are fixedly connected with the side of the shaft 44.
As shown in Figure 1, the sanding apparatus 5 sets there are two and is located at the left and right sides of the shaft 44 respectively, it is described to beat
Mill apparatus 5 includes polishing bar 51, several first sanding blocks 52 for being arranged at 51 outside of polishing bar, is arranged at the polishing bar
51 inside several second sanding blocks 53, the connecting rod 54 above second sanding block 53, positioned at the connecting rod 54
3rd spring 55 of upper and lower both sides, the 4th spring 56 for being arranged at 54 end of connecting rod.The polishing bar 51 is in cylinder
And vertical placement.First sanding block 52 is equipped with several, the longitudinal section semicircular in shape of first sanding block 52, and described the
One sanding block 52 is fixedly connected with the polishing bar 51.Second sanding block 53 is equipped with several, second sanding block 53
Longitudinal section semicircular in shape, second sanding block 53 with it is described polishing bar 51 be fixedly connected.The connecting rod 54 is horizontal,
One end of the connecting rod 54 is fixedly connected with the side of the polishing bar 51, and the connecting rod 54 runs through a left side for the stent 45
Right surface and with its sliding contact so that the connecting rod 54 can move left and right.It is described there are two 3rd spring 55 is set
One end of 3rd spring 55 is fixedly connected with the side of the polishing bar 51, the other end and the stent of the 3rd spring 55
45 are fixedly connected.One end of 4th spring 56 is fixedly connected with the side of the shaft 44, the 4th spring 56 it is another
One end is fixedly connected with the end of the connecting rod 54.
As shown in Figure 1, the efficient spring process equipment of the utility model environmental protection is in use, first by the upper of spring
End is between polishing bar 51, and the second sanding block 53 is acted against on the outer wall of spring, at this time the 3rd spring 55 and the 4th spring
56 are in tensional state, so that on the outer wall for acting against spring that polishing 51 and second sanding block 53 of bar can be tightly, together
When spring lower end be between the first fixed frame 13 and the second fixed frame 14, while the first end for abutting against bar 21 acts against bullet
On spring, second side for abutting against bar 35 is acted against on spring, since the first spring 23 is in compressive state, second bullet
Spring 34 is in compressive state so that described first abuts against bar 21 and second abut against the acting against on spring tightly of bar 35, so as to right
Spring is fixed.Then the switch of motor 42 is opened so that the shaft 44 rotates, so that stent 45 rotates with,
The stent 45 is so that the connecting rod 54, polishing 51 and second sanding block 53 of bar rotate with, the polishing bar 51 of rotation and the
Two sanding blocks 53 can sufficiently polish to the outer wall of spring, until the iron rust polishing on spring outer wall is clean.
Then spring is removed, polish bar 51, the first sanding block 52 is contained in from the upper end of spring to the inside of spring, first dozen at this time
Abrading block 52 is acted against on the inner wall of spring, and the 3rd spring 55 and the 4th spring 56 are in compressive state, so that polishing
On the inner wall for acting against spring that 51 and first sanding block 52 of bar can be tightly, while the lower end of spring is in the first fixed frame
13 and second in fixed frame 14, and coordinates first to abut against bar 21 and second abut against bar 34 so as to which spring is fixed.So
The switch of motor 42 is opened afterwards so that the shaft 44 rotates, so that 51, first dozens stent 45, connecting rod 54, polishing, bar
Abrading block 52 rotates with, and 51 and first sanding block 52 of polishing bar of rotation can sufficiently polish to the inner wall of spring, directly
Until the polishing of the inner wall of spring is clean.So far, the efficient spring process equipment of the utility model environmental protection is retouched using process
It states and finishes.
Claims (10)
1. a kind of efficient spring process equipment of environmental protection, including bottom plate apparatus, above the bottom plate apparatus left and right sides
The first fixing device, be arranged between first fixing device the second fixing device, be arranged on the bottom plate apparatus
Electric machine, the sanding apparatus that is arranged on the electric machine, it is characterised in that：The bottom plate apparatus includes bottom plate, position
Several universal wheels below the bottom plate, the first fixed frame above the bottom plate, the second fixed frame, described first is solid
Determine device to set there are two and be located at the left and right sides of second fixed frame respectively, first fixing device includes the first positioning
Bar, first be arranged in first locating rod abut against bar, are arranged at the described first the first spring for abutting against boom end, set
In the first fixed link on the bottom plate, second fixing device includes supporting block, the support above the supporting block
Frame, the second top for being arranged at the second locating rod of the left and right sides above the supporting block, being arranged at the second positioning boom end
Lean rod, the second spring above second locating rod, the electric machine include supporting rod, on the supporting rod
The cross bar of side, the motor positioned at the crossbar end, shaft, are arranged at the shaft at the locating piece below the motor
The stent of the left and right sides, the sanding apparatus set there are two and are located at the left and right sides of the shaft, the sanding apparatus respectively
Including polishing bar, several first sanding blocks being arranged on the outside of the polishing bar, be arranged on the inside of the polishing bar several the
Two sanding blocks, the connecting rod above second sanding block, the 3rd spring of both sides, setting above and below the connecting rod
In the 4th spring of the connection boom end.
2. the efficient spring process equipment of environmental protection as described in claim 1, it is characterised in that：First fixed frame is in horizontal stroke
Section is the cylinder of annulus, and the lower surface of first fixed frame is fixedly connected with the bottom plate, and second fixed frame is in horizontal stroke
Section is the cylinder of annulus, and the lower surface of second fixed frame is fixedly connected with the bottom plate, and first fixed frame accommodates
In in second fixed frame.
3. the efficient spring process equipment of environmental protection as claimed in claim 2, it is characterised in that：Under first locating rod
End is fixedly connected with the bottom plate, and described first, which abuts against bar, runs through the left and right surface and being slided with it of first locating rod and connect
Touch, described first abut against bar act against on the upper surface of second fixed frame and with its sliding contact.
4. the efficient spring process equipment of environmental protection as claimed in claim 3, it is characterised in that：Under first fixed link
End is fixedly connected with the bottom plate, and one end of first spring is fixedly connected with first fixed link, first spring
The other end be fixedly connected with first end for abutting against bar.
5. the efficient spring process equipment of environmental protection as claimed in claim 4, it is characterised in that：The lower end of the supporting block with
The bottom plate is fixedly connected, and the upper end of the supporting block is fixedly connected with support frame as described above, and support frame as described above is contained in described
In one fixed frame, second locating rod through support frame as described above surfaces externally and internally and with its sliding contact.
6. the efficient spring process equipment of environmental protection as claimed in claim 5, it is characterised in that：Described second, which abuts against bar, is equipped with
Two and it is located at the left and right sides of support frame as described above, the side that the end of second locating rod abuts against bar with described second respectively
It being fixedly connected, the second spring sets there are two and is located at the left and right sides of support frame as described above respectively, and the one of the second spring
End is fixedly connected with support frame as described above, and the other end of the second spring is fixedly connected with support frame as described above.
7. the efficient spring process equipment of environmental protection as claimed in claim 6, it is characterised in that：The supporting rod is in vertical
Shape, the lower end of the supporting rod are fixedly connected with the bottom plate, and the upper end of the supporting rod is fixedly connected with the cross bar, described
The left end of cross bar is fixedly connected with the motor, and the motor is located at the top of support frame as described above, the upper surface of the locating piece
It is fixedly connected with the lower surface of the motor.
8. the efficient spring process equipment of environmental protection as claimed in claim 7, it is characterised in that：The upper end of the shaft and institute
State motor connection, the shaft through the locating piece upper and lower surface and with its sliding contact, the branch be provided with two and
It is located at the left and right sides of the shaft respectively, the both ends of the stent are fixedly connected with the side of the shaft.
9. the efficient spring process equipment of environmental protection as claimed in claim 8, it is characterised in that：First sanding block is equipped with
Several, first sanding block is fixedly connected with the polishing bar, and second sanding block is equipped with several, described second dozen
Abrading block is fixedly connected with the polishing bar.
10. the efficient spring process equipment of environmental protection as claimed in claim 9, it is characterised in that：One end of the connecting rod
With it is described polishing bar side be fixedly connected, the connecting rod through the stent left and right surface and with its sliding contact, institute
It states there are two the 3rd spring sets, one end of the 3rd spring is fixedly connected with the side of the polishing bar, the 3rd spring
The other end be fixedly connected with the stent, one end of the 4th spring is fixedly connected with the side of the shaft, described
The other end of four springs is fixedly connected with the end of the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299062.2U CN207431956U (en) | 2017-10-10 | 2017-10-10 | A kind of efficient spring process equipment of environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299062.2U CN207431956U (en) | 2017-10-10 | 2017-10-10 | A kind of efficient spring process equipment of environmental protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207431956U true CN207431956U (en) | 2018-06-01 |
Family
ID=62296270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721299062.2U Expired - Fee Related CN207431956U (en) | 2017-10-10 | 2017-10-10 | A kind of efficient spring process equipment of environmental protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207431956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637847A (en) * | 2018-06-16 | 2018-10-12 | 南京溧水丽华弹簧厂 | A kind of grinding attachment for spring processing |
-
2017
- 2017-10-10 CN CN201721299062.2U patent/CN207431956U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637847A (en) * | 2018-06-16 | 2018-10-12 | 南京溧水丽华弹簧厂 | A kind of grinding attachment for spring processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106425760B (en) | A kind of hardware grinding device with fixing device | |
| CN110666663A (en) | Automatic rust cleaning device that polishes of steel pipe outer wall | |
| CN206605325U (en) | A kind of efficient hardware sheet material double face grinding apparatus | |
| CN104971818A (en) | Efficient energy-saving ore grinding device | |
| CN106799652A (en) | A kind of power electronic devices angle lapping device | |
| CN110315414A (en) | A kind of bearing washer process apparatus has the burnishing device of the stationary fixture of rotating mechanism | |
| CN207431956U (en) | A kind of efficient spring process equipment of environmental protection | |
| CN106695482B (en) | A kind of efficient grinding apparatus of auto parts machinery processing | |
| CN106625078B (en) | A kind of plank for furniture manufacture field fixes equipment for grinding | |
| CN106238618A (en) | A kind of building bar bending system | |
| CN107199223A (en) | Test tube sewage processing equipment is used in a kind of environmentally friendly genetic engineering experiment | |
| CN208262437U (en) | A kind of bearing ring burnishing device | |
| CN209561558U (en) | Mobile power source battery core foam pasting machine | |
| CN106985049A (en) | A kind of steel pipe processing rust removalling equipment of building engineering field | |
| CN207464922U (en) | A kind of exposed steel bar derusting device of building engineering field | |
| CN208557085U (en) | A kind of small-sized polishing machine for five metalworkings | |
| CN212735321U (en) | Titanium alloy tubular product inner wall polisher | |
| CN209095189U (en) | A kind of bearing cap Foundry Production grinding apparatus | |
| CN205129528U (en) | Pipe surface cleaning system | |
| CN213561880U (en) | Novel part rust cleaning equipment | |
| CN107513930A (en) | A kind of highway pavement grinding apparatus in highway engineering field | |
| CN207206109U (en) | A kind of environmentally friendly architectural engineering reinforcement welding rust removalling equipment | |
| CN212122916U (en) | Dust cover polishing device for automobile brake | |
| CN106607118A (en) | Efficient grinding equipment for cement production in construction field | |
| CN208246545U (en) | Burnishing device is used in a kind of forging of bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 |