CN208496322U - Support device and numerically-controlled machine tool positioning system - Google Patents
Support device and numerically-controlled machine tool positioning system Download PDFInfo
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- CN208496322U CN208496322U CN201821036345.2U CN201821036345U CN208496322U CN 208496322 U CN208496322 U CN 208496322U CN 201821036345 U CN201821036345 U CN 201821036345U CN 208496322 U CN208496322 U CN 208496322U
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- damping
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- support device
- telescopic rod
- support
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Abstract
The utility model relates to numerically-controlled machine tool corollary equipment technical fields, a kind of support device and numerically-controlled machine tool positioning system are especially set, solve that support device structure in the prior art is simple, flexibility is poor, the mobile adjusting difficulty of lathe is big and is difficult to the technical issues of supporting, the utility model provides a kind of support device, including pedestal, the first damping, the second damping and mobile mechanism；One end of the pedestal is provided with first damping, and the other end of the pedestal is provided with the second damping, and the opposite end of the pedestal is arranged in first damping and second damping；The other end of the pedestal, which is additionally provided with, can be used in the mobile mobile mechanism.The utility model keeps damping effect more preferable by being provided with the first damping and the second damping, being used in conjunction with each other between the first damping and the second damping, has better supporting role for equipment such as the lathes of some large sizes.
Description
Technical field
The utility model relates to numerically-controlled machine tool corollary equipment technical field, a kind of support device and numerically-controlled machine tool are especially set
Positioning system.
Background technique
Numerically-controlled machine tool is the abbreviation of numerically-controlled machine tool, is a kind of automated machine tool equipped with program control system.
Support device is usually provided with below numerically-controlled machine tool, to support lathe fuselage, but existing apparatus structure
Simply, flexibility is poor, and the mobile adjusting difficulty of lathe is big, weighing several tons especially for large-size numerical control machine, existing this
Support construction is difficult to support.
Therefore, how a kind of support device and numerically-controlled machine tool positioning system are provided, can either realize the effect of support, and energy
The technical issues of enough running fix has become those skilled in the art's urgent need to resolve.
Utility model content
The purpose of this utility model is to provide a kind of support devices, to solve support device structure letter in the prior art
List, flexibility are poor, and the mobile adjusting difficulty of lathe is big and is difficult to the technical issues of supporting.
The utility model provides a kind of support device, which is characterized in that subtracts including pedestal, the first damping, second
Shake mechanism and mobile mechanism；
One end of the pedestal is provided with first damping, and the other end of the pedestal is provided with the second damping machine
Structure, and the opposite end of the pedestal is arranged in first damping and second damping；The pedestal it is another
One end, which is additionally provided with, can be used in the mobile mobile mechanism.
Specifically, second damping includes upper support seat and lower support base, and is arranged in the upper support seat
Elastic element and adjusting nut between the lower support base；
The lower support base is provided with below the upper support seat, the upper support seat and the lower support base are respectively provided with
For L-type structure；The opposite right-angle sides of the two of the upper support seat and the lower support base are plugged with screw rod respectively, on the screw rod from
The elastic element and the adjusting nut are successively arranged under above.
Specifically, the upper surface interlocking of the upper support seat has shock-proof and damping rubber pad, the lower surface of the lower support base
Interlocking has vibration-insulation damping rubber pad.
Specifically, upper groove body is offered on the upper surface of the upper support seat, the shock-proof and damping rubber pad is arranged in institute
It states in upper groove body, and is set on the screw rod；
Lower groove is offered on the lower surface of the lower support base, the vibration-insulation damping rubber pad is arranged in the lower groove
It is interior, and be set on the screw rod.
Specifically, first damping includes shockproof sleeve column and the anti-vibration sleeve that is arranged in above the shockproof sleeve column
Lid.
More specifically, being equipped with damping rubber pad between the shockproof sleeve column and the shockproof upper shield.
More specifically, the mobile mechanism includes the first telescopic rod, the second telescopic rod, spacer pin, pressure spring, roller support
And idler wheel；
One end of first telescopic rod is connect with the bottom of the pedestal；The other end of first telescopic rod with it is described
Second telescopic rod is slidably connected；Second telescopic rod is internally provided with the spacer pin, the outside of second telescopic rod
It is provided with position-limiting unit；The spacer pin passes through the pressure spring；The bottom of second telescopic rod and the roller support connect
It connects；The roller support is connect by shaft with the idler wheel；Setting is fluted on the outside of the idler wheel.
More specifically, further including connection component, for the quantity of the pedestal at least provided with two, the connection component can
It is connected for the adjacent pedestal.
More specifically, the connection component includes thread barrel, threaded rod, turntable and turntable handle；
The other end of the threaded rod is threaded through in the thread barrel, and the turntable is arranged on the threaded rod, described
Turntable is equipped with turntable handle.
A kind of numerically-controlled machine tool positioning system, including a kind of support device described in above-mentioned technical proposal.
Compared with prior art, the utility model has the following beneficial effects:
A kind of support device provided by the utility model, including pedestal, the first damping, the second damping and movement
Mechanism；One end of the pedestal is provided with first damping, and the other end of the pedestal is provided with the second damping,
And the opposite end of the pedestal is arranged in first damping and second damping；The other end of the pedestal
It is additionally provided with and can be used in the mobile mobile mechanism.A kind of support device provided by the utility model efficiently solves existing
Support device structure in technology is simple, flexibility is poor, and the mobile adjusting difficulty of lathe is big and is difficult to the technical issues of supporting.Its
One: the utility model is provided with the first damping and the second damping, between the first damping and the second damping
Be used in conjunction with each other, keep damping effect more preferable, for the equipment such as the lathe of some large sizes have better supporting role.Its
Two: the utility model overall structure is simple, easy to operate, is provided with mobile mechanism, can be convenient movement and is set to support construction
On machine tool, have stronger flexibility.
The utility model additionally provides a kind of numerically-controlled machine tool positioning system, since the deflection metrology system includes the branch
Support arrangement, thus the numerically-controlled machine tool positioning system also has structure simple, easy to operate, damping effect is more preferable, stronger spirit
Active beneficial effect.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the pedestal of support device provided by the embodiment of the utility model；
Fig. 2 is a kind of structural schematic diagram of the connection component of support device provided by the embodiment of the utility model；
Fig. 3 is a kind of structural representation of the shockproof sleeve column and shockproof upper shield of support device provided by the embodiment of the utility model
Figure；
Fig. 4 is a kind of structural schematic diagram of second damping of support device provided by the embodiment of the utility model；
Fig. 5 is A-A cross-sectional view in Fig. 4；
Fig. 6 is a kind of structural schematic diagram of the mobile mechanism of support device provided by the embodiment of the utility model；
Fig. 7 is a kind of structural schematic diagram of support device provided by the embodiment of the utility model.
Appended drawing reference:
1- pedestal, 2- first build damping, the second damping of 3-, 4- mobile mechanism, 5- connection component, and 200- is anti-
Shake sleeve column, the shockproof upper shield of 201-, 202- damping rubber pad, 203- fixed bolt hole, 300- upper support seat, support base under 301-,
302- elastic parts, 303- adjusting nut, 304- screw rod, 305- shock-proof and damping rubber pad, 306- vibration-insulation damping rubber pad, 307-
Upper groove body, 308- lower groove, 309- locking nut, 310- locking screw, 311- nut, 312- flat shim, 400- limit arc
Bar, the first telescopic rod of 401-, the second telescopic rod of 402-, 403- spacer pin, 404- pressure spring, 405- roller support, 406- rolling
Wheel, 407- position-limiting unit, 408- pin shaft, 409- limit handle, 500- thread barrel, 501- threaded rod, 502-- turntable, 503-
Turntable handle.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.
The component of the utility model embodiment for usually describing and showing in attached drawing here can be with a variety of different
Configuration is to arrange and design.It therefore, is not below purport to the detailed description of the embodiments of the present invention provided in the accompanying drawings
In the range of limitation claimed invention, but it is merely representative of the selected embodiment of the utility model.
Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Referring to a kind of Fig. 7 structural schematic diagram of support device provided by the embodiment of the utility model.
Shown in Figure 7, the utility model embodiment provides a kind of support device, including pedestal 1, the first damping
2, the second damping 3 and mobile mechanism 4；
One end of the pedestal 1 is provided with first damping 2, and the other end of the pedestal 1 is provided with second and subtracts
Mechanism 3 is shaken, and the opposite end of the pedestal 1 is arranged in first damping 2 and second damping 3；It is described
The other end of pedestal 1, which is additionally provided with, can be used in the mobile mobile mechanism 4.
It further illustrates, compared with the existing technology, cabinet described in the utility model embodiment has the advantage that this
A kind of support device that utility model embodiment provides, as shown in Fig. 1-Fig. 7, including pedestal 1, the first damping 2, second
Damping 3 and mobile mechanism 4；One end of the pedestal 1 is provided with first damping 2, the other end of the pedestal 1
It is provided with the second damping 3, and the pedestal 1 is arranged in first damping 2 and second damping 3
Opposite end；The other end of the pedestal 1, which is additionally provided with, can be used in the mobile mobile mechanism 4.Specifically, this is practical new
Type is provided with the first damping 2 and the second damping 3, the phase interworking between the first damping 2 and the second damping 3
It closes and uses, keep damping effect more preferable, there is better supporting role for equipment such as the lathes of some large sizes；More specifically, this
Utility model overall structure is simple, easy to operate, is provided with mobile mechanism 4, can be convenient movement and is set in support construction
Machine tool has stronger flexibility.
It is excellent in order to guarantee that the second damping 3 has good damping effect in one embodiment of the utility model
Selection of land, as shown in Figure 4 and Figure 5, second damping 3 include upper support seat 300 and lower support base 301, and setting exists
Elastic element 302 and adjusting nut 311 between the upper support seat 300 and the lower support base 301；The upper support seat
300 lower section is provided with the lower support base 301, and the upper support seat 300 and the lower support base 301 are disposed as L-type knot
Structure；Two opposite right-angle sides of the upper support seat 300 and the lower support base 301 are plugged with screw rod 304, the screw rod respectively
The elastic element 302 and the adjusting nut 311303 are successively arranged on 304 from top to bottom.
Specifically, elastic element 302 is preferably disk spring, when major function is that the large scale equipments such as buffering lathe are carried
Gravitational thrusts and design, in transport and place are carried, inevitably jolt and cause gravitational thrusts, elastic element 302 has
Good buffer function keeps lathe large scale equipment against damages and keeps machine tool accuracy.
More specifically, the second damping 3 uses L-type structure, good integrity is easy to adjust, 3 stress of the second damping
Area is big, and stress balance is uniform.
Further, in the actual use process, the other end of pedestal 1 is provided with the second damping machine to the utility model
Structure 3 can be arranged in the bottom of pedestal 2 there are two the second damping 3, two because the second damping 3 is L-type structure
Second damping 3 is symmetrical arranged, and is then provided with shifting at the space that two symmetrical second dampings 3 are encircled a city
Motivation structure 4 both ensure that the utility model has the effect of damping, had and can achieve the effect being moved easily in this way.
In one embodiment of the utility model, in order to guarantee that the second damping 3 will not deform, it is preferable that
As shown in Figure 4 and Figure 5, the upper surface interlocking of the upper support seat 300 has shock-proof and damping rubber pad 305, the lower support base 301
Lower surface interlocking have vibration-insulation damping rubber pad 306.Specifically, shock-proof and damping rubber pad 305 and vibration-insulation damping rubber pad 306
It is unlikely to that creep occurs due to gravity.
In one embodiment of the utility model, in order to guarantee that the second damping 3 will not deform, it is preferable that
As shown in Figure 4 and Figure 5, upper groove body 307, the shock-proof and damping rubber pad 305 are offered on the upper surface of the upper support seat 300
It is arranged in the upper groove body 307, and is set on the screw rod 304；It is offered on the lower surface of the lower support base 301
Lower groove 308, the vibration-insulation damping rubber pad 306 is arranged in the lower groove 308, and is set on the screw rod 304.
Specifically, different damping material and not can be selected according to the different vibration of lathe itself and periphery or motion model
Same area volume design carries out vibrationproof and shock insulation processing, meets the increasing vibrationproof shock insulation requirement of modern machine.
More specifically, second damping 3 of the utility model is additionally provided with adjusting nut 303 and lock according to actual needs
Tight nut 309；Elastic element 302, adjusting nut 303 and locking nut 309 be located at upper support seat 300 and lower support base 301 it
Between, the elastic element 302, adjusting nut 303 and locking nut 309 are socketed in from top to bottom on screw rod 304, which stretches
The one end for entering lower support base 301 is fixed by locking screw 310, and one end which stretches out upper support seat 300 is freely
End, can be used to the pedestal of the equipment such as connecting machine tool.
The working principle of the second damping of the utility model 3 are as follows: in the actual working process, shock-proof and damping rubber pad
305 carry the mechanical oscillation when large scale equipments work such as gravity and attenuation by absorption lathe of the large scale equipments such as lathe, rigidity first
Upper support seat 300 bear gravity after pass to repeatedly loaded on the disk spring on two screw rods 304, form two gravity fulcrums,
Gravity is carried by adjusting nut 303 below disk spring, turn adjusting nut 303 can adjust machine tool horizontal, and horizontal adjustment is good
The large scale equipments such as lathe are made to keep horizontality, disk spring has very 303 locking of adjusting nut with locking nut 309 afterwards
Good buffer function can make lathe against damages and keep machine tool accuracy；Adjusting nut 303 and locking nut 309 pass through screw thread
By weight transfer to screw rod 304,304 lower end microcephaly of screw rod, which is plugged on rigid lower support base 301, bears lower support base 301
Lower support base 301 is connect by gravity, lower 301 side of support base using locking screw 310 with screw rod 304, vibration-insulation damping rubber pad
306 are mounted on lower support base 301 in the following, bearing lathe gravity and the vibration of attenuation by absorption periphery, play function of shock insulation.
Second damping 3 of the utility model group when, first by the shock-proof and damping rubber pad 305 of vibrationproof function of shock insulation
It connects mode using gluing or the fourth of the twelve Earthly Branches with vibration-insulation damping rubber pad and is connect with upper support seat 300, lower support base 301, by two screw rods 304
Be installed on lower support base 301 and fixed with locking screw 310, successively screw in or be set on screw rod 304 locking nut 309,
Flat shim 312, adjusting nut 303, disk spring, by mounted upper support seat 300 and 305 groups of traps of shock-proof and damping rubber pad
Loaded on two screw rods 304.
In one embodiment of the utility model, in order to guarantee the stability of the first damping 2, as shown in figure 3, figure
3 be a kind of shockproof sleeve column 200 of support device provided by the embodiment of the utility model and the structural schematic diagram of shockproof upper shield 201,
Preferably, first damping 2 includes shockproof sleeve column 200 and the anti-vibration sleeve that 200 top of shockproof sleeve column is arranged in
Lid 201.
Specifically, according to the needs of actual conditions, one group of fixing threaded hole 203 is equipped on the shockproof upper shield 201, it is fixed
Screw hole 203 waits large-scale equipment to fixed lathe, more specifically, the shockproof sleeve column 200 is preferably arranged to cylinder, tool
There is higher stability, the shockproof upper shield 201 is preferably arranged to truncated cone-shaped, guarantees shockproof upper shield 201 and the cylinder in this way
It can be used cooperatively between shape, further increase stability.
In one embodiment of the utility model, in order to further ensure the stability of the first damping 2, such as Fig. 3
It is shown, damping rubber pad 202 is equipped between the shockproof sleeve column 200 and the shockproof upper shield 201；Specifically, the damping rubber pad
202 setting can absorb the vibration of the large scale equipments such as certain lathe.
In one embodiment of the utility model, in order to guarantee that device is moved easily, manpower is saved, as shown in fig. 6, institute
Stating mobile mechanism 4 includes the first telescopic rod 401, the second telescopic rod 402, spacer pin 403, pressure spring 404,406 supporting element of idler wheel
405 and idler wheel 406；
One end of first telescopic rod 401 is connect with the bottom of the pedestal 1；First telescopic rod 401 it is another
End is slidably connected with second telescopic rod 402；Second telescopic rod 402 is internally provided with the spacer pin 403, described
The outside of second telescopic rod 402 is provided with position-limiting unit 407；The spacer pin 403 passes through the pressure spring 404；Described second stretches
The bottom of contracting bar 402 is connect with the roller support 405；The roller support 405 passes through shaft and the idler wheel 406
Connection；It is arranged on the outside of the idler wheel 406 fluted.
Specifically, further position-limiting unit 407 includes the pin shaft 408 and pin shaft that 402 outside of the second telescopic rod is arranged in
The limit handle 409 and limit curved rod 400 of 408 connections；Limit 400 bottom of curved rod and groove match setting；Limit handle
Hand 409 can be placed in groove, prevent idler wheel 406 from arbitrarily rolling；When rotary spacing handle 409, limit handle 409 from
Recessing, idler wheel 406 are rolled, to facilitate the movement of cabinet.
In one embodiment of the utility model, set in order to which support device is adapted to various sizes of heavy duty machine tools etc.
Standby, as depicted in figs. 1 and 2, Fig. 1 is a kind of structural schematic diagram of the pedestal 1 of support device provided by the embodiment of the utility model；
Fig. 2 is a kind of structural schematic diagram of the connection component 5 of support device provided by the embodiment of the utility model；Preferably, this is practical
Novel further includes connection component 5, and for the quantity of the pedestal 1 at least provided with two, the connection component 5 can be used in adjacent institute
State the connection of pedestal 1；The connection component 5 includes thread barrel 500, threaded rod 501, turntable 502 and turntable handle 503；The spiral shell
The other end of rasp bar 501 is threaded through in the thread barrel 500, is arranged with the turntable 502 on the threaded rod 501, and described turn
Disk 502 is equipped with turntable handle 503；Specifically, in use, making threaded rod 501 by rotation threaded rod 501 and protruding into screw thread
In cylinder 500, to adjust the relative distance between two neighboring pedestal 1, and then can be according to the size of lathe, to adjacent susceptors 1
Between relative distance be adjusted, to adapt to the large scale equipments such as various sizes of lathe, the present apparatus by adjusting, can support compared with
The large scale equipments such as the lathe of more sizes.
The embodiments of the present invention also provide a kind of numerically-controlled machine tool positioning system, including described in above-mentioned any embodiment
Support device, thus the beneficial effect of any one in the specific embodiment, specifically, the utility model is provided with first and subtracts
Shake mechanism 2 and the second damping 3, being used in conjunction with each other between the first damping 2 and the second damping 3 make damping
Effect is more preferable, has better supporting role for equipment such as the lathes of some large sizes；More specifically, the utility model is integrally tied
Structure is simple, easy to operate, is provided with mobile mechanism 4, can be convenient the mobile machine tool being set in support construction, have compared with
Strong flexibility.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of support device, which is characterized in that including pedestal, the first damping, the second damping and mobile mechanism；
One end of the pedestal is provided with first damping, and the other end of the pedestal is provided with the second damping,
And the opposite end of the pedestal is arranged in first damping and second damping；The other end of the pedestal
It is additionally provided with and can be used in the mobile mobile mechanism.
2. a kind of support device according to claim 1, which is characterized in that second damping includes upper support seat
With lower support base, and the elastic element and adjusting nut that are arranged between the upper support seat and the lower support base；
The lower support base is provided with below the upper support seat, the upper support seat and the lower support base are disposed as L
Type structure；The opposite right-angle sides of the two of the upper support seat and the lower support base are plugged with screw rod respectively, from upper on the screw rod
The elastic element and the adjusting nut are successively arranged under and.
3. according to benefit require 2 described in a kind of support device, which is characterized in that the upper support seat upper surface interlocking have it is shockproof
The lower surface interlocking of damping rubber pad, the lower support base has vibration-insulation damping rubber pad.
4. according to benefit require 2 described in a kind of support device, which is characterized in that offered on the upper surface of the upper support seat
Groove body, the shock-proof and damping rubber pad is arranged in the upper groove body, and is set on the screw rod；
Lower groove is offered on the lower surface of the lower support base, the vibration-insulation damping rubber pad is arranged in the lower groove,
And it is set on the screw rod.
5. a kind of support device according to claim 1, which is characterized in that first damping includes shockproof sleeve column
And the shockproof upper shield above the shockproof sleeve column is set.
6. a kind of support device according to claim 5, which is characterized in that the shockproof sleeve column and the shockproof upper shield it
Between be equipped with damping rubber pad.
7. a kind of support device according to claim 1, which is characterized in that the mobile mechanism include the first telescopic rod,
Second telescopic rod, spacer pin, pressure spring, roller support and idler wheel；
One end of first telescopic rod is connect with the bottom of the pedestal；The other end of first telescopic rod and described second
Telescopic rod is slidably connected；Second telescopic rod is internally provided with the spacer pin, the external setting of second telescopic rod
There is position-limiting unit；The spacer pin passes through the pressure spring；The bottom of second telescopic rod is connect with the roller support；Institute
Roller support is stated to connect by shaft with the idler wheel；Setting is fluted on the outside of the idler wheel.
8. a kind of support device according to claim 1, which is characterized in that it further include connection component, the number of the pedestal
For amount at least provided with two, the connection component can be used in the adjacent pedestal connection.
9. a kind of support device according to claim 8, which is characterized in that the connection component includes thread barrel, screw thread
Bar, turntable and turntable handle；
The other end of the threaded rod is threaded through in the thread barrel, and the turntable, the turntable are arranged on the threaded rod
It is equipped with turntable handle.
10. a kind of numerically-controlled machine tool positioning system characterized by comprising at least such as above-mentioned any one of claims 1 to 9 institute
The support device stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821036345.2U CN208496322U (en) | 2018-07-02 | 2018-07-02 | Support device and numerically-controlled machine tool positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821036345.2U CN208496322U (en) | 2018-07-02 | 2018-07-02 | Support device and numerically-controlled machine tool positioning system |
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| Publication Number | Publication Date |
|---|---|
| CN208496322U true CN208496322U (en) | 2019-02-15 |
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ID=65282264
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821036345.2U Expired - Fee Related CN208496322U (en) | 2018-07-02 | 2018-07-02 | Support device and numerically-controlled machine tool positioning system |
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| Country | Link |
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| CN (1) | CN208496322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111576147A (en) * | 2020-05-13 | 2020-08-25 | 四川志德公路工程有限责任公司 | Road and bridge construction is with tamping machinery's dust device |
-
2018
- 2018-07-02 CN CN201821036345.2U patent/CN208496322U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111576147A (en) * | 2020-05-13 | 2020-08-25 | 四川志德公路工程有限责任公司 | Road and bridge construction is with tamping machinery's dust device |
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Granted publication date: 20190215 Termination date: 20210702 |