CN207757542U - A kind of aluminium refining block pressing hydraulic machine oil cylinder piston end cap maintenance disassembling fixture - Google Patents
A kind of aluminium refining block pressing hydraulic machine oil cylinder piston end cap maintenance disassembling fixture Download PDFInfo
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- CN207757542U CN207757542U CN201820115333.2U CN201820115333U CN207757542U CN 207757542 U CN207757542 U CN 207757542U CN 201820115333 U CN201820115333 U CN 201820115333U CN 207757542 U CN207757542 U CN 207757542U
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- percussion hammer
- guide rod
- end cap
- cylinder piston
- oil cylinder
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Abstract
A kind of aluminium refining block pressing hydraulic machine oil cylinder piston end cap maintenance disassembling fixture, it is characterised in that：Including percussion hammer guide rod, sliding percussion hammer and stop floor, sliding percussion hammer center is provided with through-hole；Sliding percussion hammer is sleeved on by through-hole on percussion hammer guide rod, and can be moved up and down along percussion hammer guide rod；It is equipped with screw thread on the top of percussion hammer guide rod, percussion hammer guide rod is refined by being threaded onto aluminium on block pressing hydraulic machine oil cylinder piston end cap；When percussion hammer guide rod lower end is connected with stop floor, and anti-sliding stop percussion hammer moves down, percussion hammer guide rod is skidded off.The utility model takes sliding percussion hammer, it is slided up and down by sliding percussion hammer guide rod of the percussion hammer on being connected to aluminium refining block pressing hydraulic machine oil cylinder piston end cap, and stop floor is hit during sliding down, form a kind of impact force, come the power for overcoming aluminium refining block pressing hydraulic machine oil cylinder piston end cap to be bonded together with oil cylinder, hydraulic press cylinder piston end cap easy to disassemble.
Description
Technical field
The utility model is related to the compacting operation auxiliary toolings to a kind of hydraulic press, and in particular to refine block pressure to a kind of aluminium
Hydraulic press cylinder piston end cap processed overhauls disassembling fixture, is mainly used for the maintenance of aluminium refining block pressing hydraulic machine.Belong to mechanical equipment
Less important work equipment technology field.
Background technology
Usual aluminium refining block is required for being pressed by hydraulic press and mold, but hydraulic press uses certain time
Afterwards, oil cylinder piston oil sealing ageing failure causes hydraulic fluid leak, at this moment just needs to overhaul oil cylinder piston oil sealing, more change oil
The cylinder piston oil sealing；But find the end cap of fixed oil cylinder piston oil sealing because of greasy dirt fouling, end cap and oil cylinder housing in maintenance process
Be bonded very tight, and end cap and piston and oil cylinder cavity gap are small, using conventional tool be difficult to disassemble, because
This oil cylinder piston oil sealing end cap in maintenance process is disassembled into for very pain in the neck feelings, it is necessary to be changed to this
Into.
The patent literature for not finding there is with the utility model same technique by patent retrieval, has with the utility model
The patent of certain relationship mainly has following：
1, the invention of Patent No. CN201710773272.9, entitled " easy-to-dismount hydraulic filter end cap " are special
Profit, which disclose a kind of easy-to-dismount hydraulic filter end caps, belong to technical field of hydraulic elements.Including lid master
The upper middle position of body, cap body is provided with cross convex block, and interconnection has been got through in the part of convex block transverse direction, described
Vertical passageway has been got through in the vertical part of convex block；It is provided with the slot for being connected to convex block upper surface on the upside of the interconnection and vertical passageway
Mouthful；The both sides of notch upper end are respectively fixed with an elastic blend stop.Force application rod is a circular pin；The diameter of force application rod is less than slot
The width of mouth；The distance between adjacent described elastic blend stop is less than the diameter of force application rod.
2, number of patent application CN201621228733.1, it is entitled " to pour mold convenient for the kirsite block of quick form removal
Tool " utility model patent, which disclose a kind of kirsite block casting die convenient for quick form removal, including mold, moulds
Front and back in specifically to be symmetrical arranged there are two mold forming tank, mold lower section is provided with pedestal, and pedestal is arranged on the conveyor belt, base
Middle part is provided with the support column being supported to mold on rear side of seat top, and pedestal upper front is symmetrically set with two companies
Joint chair, mold lower front side are symmetrical arranged there are two ear is connected, and engaging lug portion is located on the inside of connecting seat, and connection ear is through turning
Axis is rotatablely connected with connecting seat, and the inwardly projecting formation protrusion in mold forming tank left and right side, protrusion lower part front and rear sides are symmetrically set
It sets there are two card base slot, left and right is evenly equipped with several lug bosses on mold forming tank downside, and recess portion is formed between adjacent projections.
3, Patent No. CN201020537173.4, the entitled " special tool of end cover of piston of roll bending oil cylinder for rolling mill dismounting
The utility model patent of tool ", which disclose a kind of specific purpose tools of piston of roll bending oil cylinder for rolling mill dismounting, i.e. cylindrical boss
It is arranged reversible ratcheting tool on the boss of sleeve and is fixed by circlip, sleeve both sides are provided with groove, two trapezoidal slide blocks
It is provided with guiding screw hole in groove and towards sleeve end face, two leading screw one end are polygon and are screwed into the interior spiral shell of trapezoidal slide block
Pit, two leading screw locating pieces are set to the outside of groove and leading screw locating piece, two trapezoidal slide block pressures are stretched out in leading screw polygon end
Plate is the end face that hollow out is set to sleeve grooves on two sides in the middle part of right angle pressing plate and level board, the vertical panel of two trapezoidal slide block pressing plates with
It is located in sleeve grooves on two sides after two leading screw other end cooperations, two positioning pluging rods are twisted in the guiding screw hole of trapezoidal slide block.
Although some has been related to easy-to-dismount end cap to these above-mentioned patents, wherein entitled, " mill roll bending oil cylinder is lived
Fill in the specific purpose tool of end cap dismounting ", what the utility model patent of Patent No. CN201020537173.4 also had special proposes
The specific purpose tool of end cap dismounting, but found by reading over, the technical solution disclosed in these patents is not related to being proposed
Hydraulic press cylinder piston oil sealing end cap dismantling technology improvement project, therefore foregoing hydraulic press cylinder piston oil sealing end
The problem of lid is difficult to dismantle still has, and needs further to be studied.
Utility model content
The purpose of this utility model is that for existing aluminium refining block pressing hydraulic machine oil cylinder piston end cap maintenance dismounting institute
There are the problem of, propose that dedicated tooling, the new aluminium are dismantled in a kind of refining block pressing hydraulic machine oil cylinder piston end cap maintenance of aluminium
Refining the dedicated tooling of block pressing hydraulic machine oil cylinder piston end cap maintenance dismounting can be easily by hydraulic press cylinder piston end
Lid unloads, and does not hinder hydraulic press cylinder piston end cap.
In order to reach this purpose, the utility model provides a kind of aluminium refining block pressing hydraulic machine oil cylinder piston end cap inspection
Disassembling fixture, including percussion hammer guide rod, sliding percussion hammer and stop floor are repaiied, sliding percussion hammer center is provided with through-hole；It is logical to slide percussion hammer
It crosses through-hole to be sleeved on percussion hammer guide rod, and can be moved up and down along percussion hammer guide rod；It is equipped with screw thread on the top of percussion hammer guide rod,
Percussion hammer guide rod is refined by being threaded onto aluminium on block pressing hydraulic machine oil cylinder piston end cap；It is connected in percussion hammer guide rod lower end
Stop floor skids off percussion hammer guide rod when anti-sliding stop percussion hammer moves down.
Further, the percussion hammer guide rod, sliding percussion hammer and stop floor individually three with being combined into component,
It is mounted in a manner of component in the threaded hole on aluminium refining block pressing hydraulic machine oil cylinder piston end cap.
Further, the percussion hammer guide rod is stationarily connected to together, form integral structure with stop floor.
Further, the percussion hammer guide rod is welded together with stop floor.
Further, the stop floor is produced and is hit by percussion hammer guide rod material thickening itself or by material reduction
Hammer into shape guide rod make and formed.
Further, the percussion hammer guide rod, sliding percussion hammer and stop floor are that multiple percussion hammer guide rods combine to be formed
, set is there are one sliding percussion hammer on each percussion hammer guide rod, but stop floor is connected together, and forms multi point impact
Tooling.
Further, multiple percussion hammer guide rods are refined on block pressing hydraulic machine oil cylinder piston end cap according to aluminium
Threaded hole is symmetrical.
Further, it includes bisection, trisection or quartering distribution that the threaded hole is symmetrical.
Further, the percussion hammer guide rod of the multi point impact tooling is to be flexibly connected with stop floor, and percussion hammer is oriented to
The lower end of bar carries nut, and the smooth bar part of percussion hammer guide rod passes through the percussion hammer on stop floor to be oriented to rod through-hole and is connected to aluminium essence
It refines on block pressing hydraulic machine oil cylinder piston end cap；There are one slide percussion hammer for set on each percussion hammer guide rod.
The utility model has the advantage of：
The utility model takes sliding percussion hammer, and aluminium refining block pressing hydraulic machine oil cylinder piston is being connected to by sliding percussion hammer
Percussion hammer guide rod on end cap slides up and down, and stop floor is hit during sliding down, forms a kind of impact force, comes
The power for overcoming aluminium refining block pressing hydraulic machine oil cylinder piston end cap to be bonded together with oil cylinder, hydraulic press cylinder piston easy to disassemble
End cap.Have the advantages that so the following：
1, by sliding the impact of percussion hammer, aluminium refining block pressing hydraulic machine oil cylinder piston end cap and hydraulic pressure can effectively be overcome
Oil cylinder is very tight because greasy dirt fouling bonds, and can not be inserted into other tools, causes to dismantle the problem of being difficult, anti-to provide a kind of side
Just method for dismounting and tool；
2, due to being that will slide percussion hammer to slide up and down on percussion hammer guide rod, stop floor is hit, so not being directly to hit
End cap is hit, and end cap is connected through a screw thread with percussion hammer guide rod；Therefore end cap will not be directly hit, it is small to the damage of end cap；
3, this disassembling fixture is a kind of tooling that can be flexible and changeable, therefore applicability is wide, easy to operate, can be multiple
It uses.
Description of the drawings
Fig. 1 is the tool structure schematic diagram of the utility model；
Fig. 2 is the schematic diagram of application structure of the utility model one embodiment；
Fig. 3 is the schematic diagram of application structure of another embodiment of the utility model.
Specific implementation mode
It is expanded on further the utility model in the following with reference to the drawings and specific embodiments.
Embodiment one
Attached drawing gives the utility model one embodiment, it can be seen in the drawings that the utility model is related to a kind of aluminium
It refines block pressing hydraulic machine oil cylinder piston end cap and overhauls disassembling fixture, including percussion hammer guide rod, sliding percussion hammer and stop floor, it is sliding
Dynamic percussion hammer center is provided with through-hole；Sliding percussion hammer is sleeved on by through-hole on percussion hammer guide rod, and can be moved down on percussion hammer guide rod
It is dynamic；It is equipped with screw thread on the top of percussion hammer guide rod, percussion hammer guide rod refines the work of block pressing hydraulic machine oil cylinder by being threaded onto aluminium
It fills on end cap；When percussion hammer guide rod lower end is connected with stop floor, and anti-sliding stop percussion hammer moves down, percussion hammer guiding is skidded off
Bar.
Further, the percussion hammer guide rod, sliding percussion hammer and stop floor individually three with being combined into component,
It is mounted in a manner of component in the threaded hole on aluminium refining block pressing hydraulic machine oil cylinder piston end cap.
Further, the percussion hammer guide rod is stationarily connected to together, form integral structure with stop floor.
Further, the percussion hammer guide rod is welded together with stop floor.
Further, the stop floor is produced and is hit by percussion hammer guide rod material thickening itself or by material reduction
Hammer into shape guide rod make and formed.
Further, the percussion hammer guide rod, sliding percussion hammer and stop floor are that multiple percussion hammer guide rods combine to be formed
, set is there are one sliding percussion hammer on each percussion hammer guide rod, but stop floor is connected together, and forms multi point impact
Tooling.
Further, multiple percussion hammer guide rods are refined on block pressing hydraulic machine oil cylinder piston end cap according to aluminium
Threaded hole is symmetrical.
Further, it includes bisection, trisection or quartering distribution that the threaded hole is symmetrical.
Further, the percussion hammer guide rod of the multi point impact tooling is to be flexibly connected with stop floor, and percussion hammer is oriented to
The lower end of bar carries nut, and the smooth bar part of percussion hammer guide rod passes through the percussion hammer on stop floor to be oriented to rod through-hole and is connected to aluminium essence
It refines on block pressing hydraulic machine oil cylinder piston end cap；There are one slide percussion hammer for set on each percussion hammer guide rod.
In use, using single pole end cap removal tool special（As shown in Figure 1）, this one headband silk of tool, centre is polished rod,
It is furnished with a slidably percussion hammer on polished rod again, other end is furnished with a stop bottom plate, and lead screw is screwed into end cap when work, recycles sliding
Percussion hammer, which slides up and down, hits stop floor, forms Inertial impaction and pulls out end cap.
Embodiment two
Embodiment two and the principle of embodiment one are essentially the same, and only structure is different, and block pressure is refined for another aluminium
Hydraulic press cylinder piston end cap processed overhauls disassembling fixture, including percussion hammer guide rod, sliding percussion hammer and stop floor, slides in percussion hammer
The heart is provided with through-hole；Sliding percussion hammer is sleeved on by through-hole on percussion hammer guide rod, and can be moved up and down along percussion hammer guide rod；In percussion hammer
The top of guide rod is equipped with screw thread, and percussion hammer guide rod is refined by being threaded onto aluminium on block pressing hydraulic machine oil cylinder piston end cap；
When percussion hammer guide rod lower end is connected with stop floor, and anti-sliding stop percussion hammer moves down, percussion hammer guide rod is skidded off.
Further, the percussion hammer guide rod, sliding percussion hammer and stop floor individually three with being combined into component,
It is mounted in a manner of component in the threaded hole on aluminium refining block pressing hydraulic machine oil cylinder piston end cap.
Further, the percussion hammer guide rod is stationarily connected to together, form integral structure with stop floor.
Further, the percussion hammer guide rod is welded together with stop floor.
Further, the stop floor is produced and is hit by percussion hammer guide rod material thickening itself or by material reduction
Hammer into shape guide rod make and formed.
Further, the percussion hammer guide rod, sliding percussion hammer and stop floor are that multiple percussion hammer guide rods combine to be formed
, set is there are one sliding percussion hammer on each percussion hammer guide rod, but stop floor is connected together, and forms multi point impact
Tooling.
Further, multiple percussion hammer guide rods are refined on block pressing hydraulic machine oil cylinder piston end cap according to aluminium
Threaded hole is symmetrical.
Further, it includes bisection, trisection or quartering distribution that the threaded hole is symmetrical.
Further, the percussion hammer guide rod of the multi point impact tooling is to be flexibly connected with stop floor, and percussion hammer is oriented to
The lower end of bar carries nut, and the smooth bar part of percussion hammer guide rod passes through the percussion hammer on stop floor to be oriented to rod through-hole and is connected to aluminium essence
It refines on block pressing hydraulic machine oil cylinder piston end cap；There are one slide percussion hammer for set on each percussion hammer guide rod.
In use, using single pole end cap removal tool special（As shown in Figure 1）, this one headband silk of tool, centre is polished rod,
It is furnished with a slidably percussion hammer on polished rod again, other end is furnished with a stop bottom plate, and lead screw is screwed into end cap when work, recycles sliding
Percussion hammer, which slides up and down, hits stop floor, forms Inertial impaction and pulls out end cap.
Embodiment three
Embodiment three and the principle of embodiment one are essentially the same, and only structure is different, and block pressure is refined for another aluminium
Hydraulic press cylinder piston end cap processed overhauls disassembling fixture, including percussion hammer guide rod, sliding percussion hammer and stop floor, slides in percussion hammer
The heart is provided with through-hole；Sliding percussion hammer is sleeved on by through-hole on percussion hammer guide rod, and can be moved up and down along percussion hammer guide rod；In percussion hammer
The top of guide rod is equipped with screw thread, and percussion hammer guide rod is refined by being threaded onto aluminium on block pressing hydraulic machine oil cylinder piston end cap；
When percussion hammer guide rod lower end is connected with stop floor, and anti-sliding stop percussion hammer moves down, percussion hammer guide rod is skidded off.
Further, the percussion hammer guide rod, sliding percussion hammer and stop floor individually three with being combined into component,
It is mounted in a manner of component in the threaded hole on aluminium refining block pressing hydraulic machine oil cylinder piston end cap.
Further, the percussion hammer guide rod is stationarily connected to together, form integral structure with stop floor.
Further, the percussion hammer guide rod is welded together with stop floor.
Further, the stop floor is produced and is hit by percussion hammer guide rod material thickening itself or by material reduction
Hammer into shape guide rod make and formed.
Further, the percussion hammer guide rod, sliding percussion hammer and stop floor are that multiple percussion hammer guide rods combine to be formed
, set is there are one sliding percussion hammer on each percussion hammer guide rod, but stop floor is connected together, and forms multi point impact
Tooling.
Further, multiple percussion hammer guide rods are refined on block pressing hydraulic machine oil cylinder piston end cap according to aluminium
Threaded hole is symmetrical.
Further, it includes bisection, trisection or quartering distribution that the threaded hole is symmetrical.
Further, the percussion hammer guide rod of the multi point impact tooling is to be flexibly connected with stop floor, and percussion hammer is oriented to
The lower end of bar carries nut, and the smooth bar part of percussion hammer guide rod passes through the percussion hammer on stop floor to be oriented to rod through-hole and is connected to aluminium essence
It refines on block pressing hydraulic machine oil cylinder piston end cap；There are one slide percussion hammer for set on each percussion hammer guide rod.
In use, using single pole end cap removal tool special（As shown in Figure 1）, this one headband silk of tool, centre is polished rod,
It is furnished with a slidably percussion hammer on polished rod again, other end is furnished with a stop bottom plate, and lead screw is screwed into end cap when work, recycles sliding
Percussion hammer, which slides up and down, hits stop floor, forms Inertial impaction and pulls out end cap.
Above-mentioned listed embodiment, only carries out clear, complete description in conjunction with attached drawing to the technical solution of the utility model；
Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts all other with the embodiment in novel
Embodiment shall fall within the protection scope of the present invention.
The utility model has the advantage of：
The utility model takes sliding percussion hammer, and aluminium refining block pressing hydraulic machine oil cylinder piston is being connected to by sliding percussion hammer
Percussion hammer guide rod on end cap slides up and down, and stop floor is hit during sliding down, forms a kind of impact force, comes
The power for overcoming aluminium refining block pressing hydraulic machine oil cylinder piston end cap to be bonded together with oil cylinder, hydraulic press cylinder piston easy to disassemble
End cap.Have the advantages that so the following：
1, by sliding the impact of percussion hammer, aluminium refining block pressing hydraulic machine oil cylinder piston end cap and hydraulic pressure can effectively be overcome
Oil cylinder is very tight because greasy dirt fouling bonds, and can not be inserted into other tools, causes to dismantle the problem of being difficult, anti-to provide a kind of side
Just method for dismounting and tool；
2, due to being that will slide percussion hammer to slide up and down on percussion hammer guide rod, stop floor is hit, so not being directly to hit
End cap is hit, and end cap is connected through a screw thread with percussion hammer guide rod；Therefore end cap will not be directly hit, it is small to the damage of end cap；
3, this disassembling fixture is a kind of tooling that can be flexible and changeable, therefore applicability is wide, easy to operate, can be multiple
It uses.
Claims (9)
1. a kind of aluminium refining block pressing hydraulic machine oil cylinder piston end cap overhauls disassembling fixture, it is characterised in that：It is oriented to including percussion hammer
Bar, sliding percussion hammer and stop floor, sliding percussion hammer center are provided with through-hole；Sliding percussion hammer is sleeved on by through-hole on percussion hammer guide rod,
And it can be moved up and down along percussion hammer guide rod；It is equipped with screw thread on the top of percussion hammer guide rod, percussion hammer guide rod is by being threaded onto
Aluminium refines on block pressing hydraulic machine oil cylinder piston end cap；It is connected with stop floor, anti-sliding stop percussion hammer in percussion hammer guide rod lower end
When moving down, percussion hammer guide rod is skidded off.
2. aluminium refining block pressing hydraulic machine oil cylinder piston end cap as described in claim 1 overhauls disassembling fixture, it is characterised in that：
The percussion hammer guide rod, sliding percussion hammer and stop floor individually three with component is combined into, installed in a manner of component
In threaded hole on aluminium refining block pressing hydraulic machine oil cylinder piston end cap.
3. aluminium refining block pressing hydraulic machine oil cylinder piston end cap as claimed in claim 2 overhauls disassembling fixture, it is characterised in that：
The percussion hammer guide rod is stationarily connected to together, form integral structure with stop floor.
4. aluminium refining block pressing hydraulic machine oil cylinder piston end cap as claimed in claim 2 overhauls disassembling fixture, it is characterised in that：
The percussion hammer guide rod is welded together with stop floor.
5. aluminium refining block pressing hydraulic machine oil cylinder piston end cap as claimed in claim 2 overhauls disassembling fixture, it is characterised in that：
The stop floor be by percussion hammer guide rod material thickening itself or by material reduction produce percussion hammer guide rod make and shape
At.
6. aluminium refining block pressing hydraulic machine oil cylinder piston end cap as described in claim 1 overhauls disassembling fixture, it is characterised in that：
Percussion hammer guide rod, sliding percussion hammer and the stop floor is that multiple percussion hammer guide rods combine to be formed, and is led in each percussion hammer
Set is there are one sliding percussion hammer on bar, but stop floor is connected together, and forms multi point impact tooling.
7. aluminium refining block pressing hydraulic machine oil cylinder piston end cap as claimed in claim 6 overhauls disassembling fixture, it is characterised in that：
Multiple percussion hammer guide rods are symmetrical according to the threaded hole on aluminium refining block pressing hydraulic machine oil cylinder piston end cap.
8. aluminium refining block pressing hydraulic machine oil cylinder piston end cap as claimed in claim 7 overhauls disassembling fixture, it is characterised in that：
The symmetrical threaded hole includes bisection, trisection or quartering distribution.
9. aluminium refining block pressing hydraulic machine oil cylinder piston end cap as claimed in claim 6 overhauls disassembling fixture, it is characterised in that：
The percussion hammer guide rod of the multi point impact tooling is to be flexibly connected with stop floor, and the lower end of percussion hammer guide rod carries nut,
The smooth bar part of percussion hammer guide rod passes through the percussion hammer on stop floor to be oriented to rod through-hole and is connected to aluminium refining block pressing hydraulic machine oil
On the cylinder piston end cap；There are one slide percussion hammer for set on each percussion hammer guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820115333.2U CN207757542U (en) | 2018-01-24 | 2018-01-24 | A kind of aluminium refining block pressing hydraulic machine oil cylinder piston end cap maintenance disassembling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820115333.2U CN207757542U (en) | 2018-01-24 | 2018-01-24 | A kind of aluminium refining block pressing hydraulic machine oil cylinder piston end cap maintenance disassembling fixture |
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| Publication Number | Publication Date |
|---|---|
| CN207757542U true CN207757542U (en) | 2018-08-24 |
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ID=63181491
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|---|---|---|---|
| CN201820115333.2U Active CN207757542U (en) | 2018-01-24 | 2018-01-24 | A kind of aluminium refining block pressing hydraulic machine oil cylinder piston end cap maintenance disassembling fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497145A (en) * | 2020-11-09 | 2021-03-16 | 广西玉柴机器股份有限公司 | Drawing tool for internal tooth part |
-
2018
- 2018-01-24 CN CN201820115333.2U patent/CN207757542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497145A (en) * | 2020-11-09 | 2021-03-16 | 广西玉柴机器股份有限公司 | Drawing tool for internal tooth part |
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Address after: 412000 Lukou Economic Development Zone, Wan Tang Village, Lukou Town, Zhuzhou, Zhuzhou, Hunan (Chuang Lin Road No. 1) Patentee after: Hunan Chuanglin New Material Technology Co., Ltd. Address before: 412000 Lukou Economic Development Zone, Wan Tang Village, Lukou Town, Zhuzhou, Zhuzhou, Hunan (Chuang Lin Road No. 1) Patentee before: Zhuzhou Chuanglin Alloy Co.,Ltd. |