CN206550291U - Power shovel creeper tread evaporative pattern mold component, running gate system and endless-track vehicle - Google Patents
Power shovel creeper tread evaporative pattern mold component, running gate system and endless-track vehicle Download PDFInfo
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- CN206550291U CN206550291U CN201720203002.XU CN201720203002U CN206550291U CN 206550291 U CN206550291 U CN 206550291U CN 201720203002 U CN201720203002 U CN 201720203002U CN 206550291 U CN206550291 U CN 206550291U
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Abstract
The utility model is related to Technology of EPC field, discloses a kind of power shovel creeper tread evaporative pattern mold component, running gate system and endless-track vehicle, and the die assembly includes：Die main body (1), the bottom of die main body (1), which is provided with the middle part of cavity (11), cavity, is provided with reinforced wall (111), and multiple separate studs (112) are provided with cavity；With cover plate (2), cover plate, which can be sealed, covers cavity (11), and reinforced wall (111) and stud (112) can contact cover plate (2).Power shovel creeper tread evaporative pattern mold component of the present utility model, separate multiple studs are set in the cavity of die main body, avoid the process of pre-fill clay-bonded sand, it is with short production cycle, and the generation of stomata is reduced, product qualification rate is high, and running gate system of the present utility model can make die assembly from bottom to top sequential vapor using upright casting, be conducive to the discharge of die assembly gasification product, further increase product qualification rate.
Description
Technical field
The utility model is related to Technology of EPC field, in particular it relates to a kind of power shovel creeper tread evaporative pattern mold
Component, running gate system and endless-track vehicle.
Background technology
Lost foam casting (also known as cavityless casting) is by the paraffin similar to casting dimension shape or bubbles model bonding group
Synthetic model cluster, after brushing fireproof coating and drying, is embedded in vibration molding in drystone sand, pours into a mould under negative pressure, make model gas
Change, liquid metals occupies modal position, and the novel casting method of casting is formed after solidification cooling.Lost foam casting is a kind of nearly nothing
Surplus, the new technology of precise forming, the technique without modulus, without die joint, without core, thus casting do not have overlap, burr and
The problems such as pattern draft, and reduce due to scale error caused by core combination.With the advantage of Technology of EPC
That embodies is more and more obvious, and increasing product is manufactured using lost foam casting process.
By taking WK4 power shovels mining creeper tread as an example, WK4 power shovel creeper treads are a kind of more complicated thin-wall box body parts of structure, outside
Shape size is larger, is produced more than manufacturer using lost foam process, and existing evaporative pattern mold is to use not including to bond
The dry sand of agent carries out burying case, is poured into a mould under negative pressure after jolt ramming, but is due to there is dead angle in mould, is difficult jolt ramming, therefore to dead angle
Part be filled with clay-bonded sand in advance, limited by mold materials, high temperature drying can not be carried out after mould pre-fill, can only natural drying, because
This natural drying time is longer, have impact on the production cycle, simultaneously because spontaneously drying, pre- back-up sand part is not parched completely, type
A small amount of moisture is still had inside sand, core gas forming amount increases bleb rate when causing the product to pour into a mould, and product structure is multiple
Miscellaneous gasification product is difficult discharge, gasification product may react with molten steel and form stomata, cause product quality not high, cause
Make casting qualified rate relatively low, fracture scrappage is higher in product use, influences the service life of product, while it is hidden to there is safety
Suffer from.
It is short and be not likely to produce the power shovel creeper tread evaporative pattern mold component of stomata accordingly, there exist a kind of drying time is designed
Need.
Utility model content
The purpose of this utility model is to provide a kind of power shovel creeper tread evaporative pattern mold component, the die assembly drying time
It is short and be not likely to produce stomata.
Another object of the present utility model is to provide a kind of running gate system, and the running gate system includes above-mentioned power shovel creeper tread
Evaporative pattern mold.
A further object of the present utility model is to provide a kind of endless-track vehicle, including the use of above-mentioned die assembly and/or pours
The creeper tread of injection system manufacture.
To achieve these goals, the utility model provides a kind of power shovel creeper tread evaporative pattern mold component, the mould
Component includes：Die main body, the bottom of the die main body, which is provided with the middle part of cavity, the cavity, is provided with reinforced wall, and
Multiple separate studs are provided with the cavity；And cover plate, the cover plate, which can be sealed, covers the cavity, described to add
Stud described in Qiang Bihe can contact the cover plate.
Preferably, the intermediate cross-section of the relatively described reinforced wall of multiple studs is symmetrical, and multiple studs
The middle longitudinal section of relatively described reinforced wall is symmetrical.
Preferably, the stud is shaped as cylindricality, and the stud of the cylindricality includes semicolumn muscle and cylinder muscle, described
Semicolumn muscle be arranged on the reinforced wall and the first side wall and second sidewall of the cavity relative with the reinforced wall on,
The cylinder muscle is located between the reinforced wall and the first side wall and between the reinforced wall and the second sidewall.
Preferably, the marginal portion of the first side wall and the close cover plate of the second sidewall is respectively arranged with use
In the concave station for accommodating the cover plate.
Preferably, the cavity is used to accommodate dry sand.
Preferably, the die main body includes the first pin ear, the second pin ear and shift fork, the first pin ear and described second
Ear is sold respectively positioned at the both sides of the bearing of trend along the reinforced wall of the die main body, and the shift fork is located at the mould master
The top of body.
The utility model also provides a kind of running gate system, including：At least two above-mentioned power shovel creeper tread evaporative pattern molds
Component, die assembly bottom is relatively placed described at least two, and the position of the first pin ear sells ear higher than described second
Position；Running channel, the running channel is close to the described second pin ear and the bottom with die assembly described at least two is connected respectively；With
Rising head, the rising head is arranged on the shift fork close to the described first pin ear.
Preferably, the running channel includes：At least two first running channels, first running channel divides in the horizontal direction described at least two
Bottom not with die assembly described at least two is connected；Second running channel, second running channel is in the horizontal direction with least two
First running channel is connected；And sprue, the sprue is vertically connected along vertical direction with second running channel, described
Sprue is used to install sprue cup.
Preferably, each first running channel includes：Point running channel, the quantity of described point of running channel be it is multiple, multiple described points
Running channel is parallel to each other and at least one in corresponding to the first side wall, the reinforced wall and the second sidewall three respectively
Individual position is connected with the cover plate；With main running channel, the main running channel is connected with multiple described point of running channels, second running channel
It is connected with the main running channel.
Preferably, the cross section of described point of running channel and the main running channel is rectangle, and the cross section ratio of described point of running channel
The cross section of the main running channel is small；And/or, the cross section of second running channel is rectangle, and the cross section of the sprue is circle
Shape.
The utility model also provides a kind of endless-track vehicle, including the use of above-mentioned die assembly and/or above-mentioned cast system
The creeper tread that controlling is made.
Power shovel creeper tread evaporative pattern mold component of the present utility model, by setting mutually only in the cavity of die main body
Vertical multiple studs, make dead angle is not present between stud and the side wall and reinforced wall of cavity, it is to avoid the process of pre-fill clay-bonded sand,
So as to shorten drying time, the production cycle is shorter, while it also avoid clay-bonded sand dries not the thoroughly moisture vaporization in cast
The problem of easily producing stomata, improves the qualification rate of product.Running gate system of the present utility model, using upright casting, i.e. set of molds
Part bottom is staggered relatively, and the position of the first pin ear is higher than the second pin ear, bottom phase of the running channel close to the second pin ear and die assembly
Even, rising head is arranged on shift fork close to the first pin ear, and die assembly can be made from bottom to top to carry out sequential vapor, be conducive to set of molds
The gasification product of part is smoothly discharged, and potting syrup (such as molten steel) most of the time does not contact directly (just with disappearance membrane module
Potting syrup is contacted with die assembly when beginning to pour into a mould, and the heat that later stage die assembly is radiated by potting syrup with potting syrup before contacting
Just gasify), the probability that potting syrup reacts with die assembly is reduced, the basic reason of stomata generation is eliminated, it is therefore prevented that
The generation of stomata, further increases product qualification rate.
Other features and advantages of the utility model will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and constitutes a part for specification, and following
Embodiment be used to explain the utility model together, but do not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the stereogram of the die assembly of preferred embodiment of the present utility model；
Fig. 2 is the exploded perspective view of the die assembly shown in Fig. 1；
Fig. 3 is that the die assembly shown in Fig. 1 installs the structural representation after rising head；
Fig. 4 is the structural representation of the running gate system of preferred embodiment of the present utility model.
Description of reference numerals
The cavity of 1 die main body 11
The stud of 111 reinforced wall 112
The cylinder muscle of 1121 semicolumn muscle 1122
The second sidewall of 113 the first side wall 114
The 12 first pin pin ears of ear 13 second
The cover plate of 14 shift fork 2
The running channel of 10 die assembly 20
201 first 2011 points of running channel running channels
The 2012 main running channels of running channel 202 second
The rising head of 203 sprue 30
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of power shovel creeper tread evaporative pattern mold component, die assembly bag
Die main body 1 and cover plate 2 are included, wherein, the bottom of die main body 1 is provided with cavity 11, and the middle part of cavity 11 is provided with reinforced wall
Multiple separate studs 112 are provided with 111, and cavity 11, cover plate 2, which can be sealed, covers cavity 11, the He of reinforced wall 111
Stud 112 can contact cover plate 2.
Power shovel creeper tread evaporative pattern mold component of the present utility model, by setting phase in the cavity 11 in die main body 1
Mutually independent multiple studs 112, make dead angle is not present between stud 112 and the side wall and reinforced wall 111 of cavity 11, it is to avoid pre-
The process of clay-bonded sand is filled out, so as to shorten drying time, the production cycle is shorter, do not existed thoroughly while it also avoid clay-bonded sand and dry
The problem of moisture vaporization easily produces stomata during cast, improves the qualification rate of product.
Preferably, multiple studs 112 are symmetrical with respect to the intermediate cross-section of reinforced wall 111, and multiple studs 112 are relative
The middle longitudinal section of reinforced wall 111 is symmetrical.It is arranged so as to that stud 112 can be made good to the support effect of cover plate 2, and to mould
The integrally-built booster action of component is more preferable.
Wherein, the shape of stud 112 can have multiple choices, and in order to easy to process, regular shape may be selected, such as rectangular
Shape, it is preferable that stud 112 is shaped as cylindricality, the stud 112 of the cylindricality includes semicolumn muscle 1121 and cylinder muscle 1122, half
Cylinder muscle 1121 is arranged on reinforced wall 111 and the first side wall 113 and second sidewall of the cavity 11 relative with reinforced wall 111
On 114, cylinder muscle 1122 is located between reinforced wall 111 and the first side wall 113 and between reinforced wall 111 and second sidewall 114.
Semicolumn muscle 1121 and cylinder muscle 1122 are set according to the position difference being distributed in cavity 11, structure overall compact can be made,
Stiffening effect is more preferable.
Preferably, the marginal portion of the first side wall 113 and the close cover plate 2 of second sidewall 114 is separately provided for holding
Receive the concave station of cover plate 2.So design, the installation site of cover plate 2 can be made reliable, be easy to fix, while also making cover plate 2 and cavity 11
Seal the effect coordinated more preferable.
Preferably, cavity 11 is used to accommodate dry sand.Due to dead angle being not present in cavity 11, therefore case only can be buried with dry sand,
The process of pre-fill clay-bonded sand is avoided, it is with short production cycle so as to shorten the drying time of die assembly, while decreasing viscous
Soil sand dries the problem of thoroughly moisture vaporization does not easily produce stomata in cast, improves the qualification rate of product.
As depicted in figs. 1 and 2, it is preferable that die main body 1 includes the first pin ear 12, second pin ear 13 and shift fork 14, first
The pin of ear 12 and second ear 13 is sold respectively positioned at the both sides of the bearing of trend along reinforced wall 111 of die main body 1, and shift fork 14 is located at mould
Has the top of main body 1.Because the structure of die assembly is identical with the structure of actual creeper tread, therefore the first pin ear here
12 and second pin ear 13 be for be connected with adjacent creeper tread, and shift fork 14 can be used for transmit power.
As shown in Figure 3 and Figure 4, the utility model also provides a kind of running gate system, including at least two above-mentioned power shovels are carried out
Band plate evaporative pattern mold component 10, running channel 20 and rising head 30, wherein, the bottom of at least two die assembly 10 is relatively placed, and
First pin ear 12 position higher than second pin ear 13 position, running channel 20 close to second pin ear 13 and respectively with least two moulds
The bottom of component 10 is connected, and rising head 30 is arranged on shift fork 14 close to the first pin ear 12.
Running gate system of the present utility model, using upright casting, i.e. the bottom of at least two die assembly 10 is staggered relatively, and first
The position of ear 12 is sold higher than the second pin ear 13, and running channel 20 is connected close to the second pin ear 13 with the bottom of die assembly 10, rising head 30
It is arranged on close to the first pin ear 12 on shift fork 14, die assembly 10 can be made from bottom to top to carry out sequential vapor, be conducive to set of molds
The gasification product of part 10 is smoothly discharged, and potting syrup (such as molten steel) most of the time does not contact directly with die assembly 10
(potting syrup is contacted with die assembly 10 during initial cast, and the heat that later stage die assembly 10 is radiated by potting syrup can be with pouring
Just gasify before fluid injection contact), the probability that potting syrup reacts with die assembly 10 is reduced, the basic of stomata generation is eliminated
Reason, it is therefore prevented that the generation of stomata, improves product qualification rate.
As shown in figure 3, the quantity of rising head 30 is 2, i.e., rising head 30 is respectively mounted on the shift fork 14 of each die assembly 10,
It is understood that the quantity of rising head 30 can need flexible selection according to real work.As shown in figure 4, being included in running gate system
More or more can also be poured into a mould die assembly 10 by two die assemblies 10 simultaneously certainly, not reinflated herein to retouch
State.
Wherein, the structure design of running channel 20 has multiple choices, can suitably be changed according to the quantity of die assembly 10, excellent
Selection of land, running channel 20 includes at least two first running channels 201, the second running channel 202 and sprue 203, at least two first running channels 201
The bottom respectively with least two die assemblies 10 is connected in the horizontal direction, and the second running channel 202 is in the horizontal direction with least two
First running channel 201 is connected, and sprue 203 to the second running channel 202 along being vertically connected vertically, and sprue 203 is used to install
Sprue cup.So design can make the drainage of running channel 20 uniform, to make at least two die assemblies 10 gasify simultaneously.
It should be noted that, vertical direction here refers to the direction perpendicular to the first running channel 201 and the second running channel 202, or
Person is said perpendicular to the direction of horizontal plane.
Preferably, each first running channel 201 includes point running channel 2011 and a main running channel 2012, and the quantity of point running channel 2011 is many
Individual, multiple points of running channels 2011 are parallel to each other and respectively corresponding to the first side wall 113, reinforced wall 111 and the three of second sidewall 114
In the position of at least one be connected with cover plate 2, main running channel 2012 is connected with multiple points of running channels 2011, the second running channel 202 with
Main running channel 2012 is connected.Fig. 4 shows a case that each first running channel 201 has three points of running channels 2011, three points of running channels 2011
Corresponding position and the phase of cover plate 2 of die assembly 10 of the first side wall 113, reinforced wall 111 and second sidewall 114 respectively
Even, three component running channels can be also designed certainly, three component running channels correspond the first side wall 113, the side of reinforced wall 111 and second respectively
It may include one or more points of running channels in wall 114, and every component running channel, can be in vertical side per multiple points of running channels in component running channel
To alignment.
Preferably, the cross section for dividing running channel 2011 and main running channel 2012 is rectangle, and the cross section ratio of point running channel 2011
The cross section of main running channel 2012 is small；And/or, the cross section of the second running channel 202 is rectangle, and the cross section of sprue 203 is circle.
Divide the cross section of running channel 2011 smaller than the cross section of main running channel 2012, can make point running channel 2011 that there is certain filter residue function, and
Divide running channel 2011, the cross section of the running channel 202 of main running channel 2012 and second is rectangle, can conveniently lap one another connection, the top
The cross section of sprue 203 is that circle can be fabricated conveniently.
Specific operation process is as follows：1) foamed out the die main body 1 and cover plate 2 of die assembly with polystyrene bead, is stood
The size of muscle 112 can be designed according to mould size, and for example the size of stud 112 can be 30mm*85mm (diameter * height).Such as
Fruit existence conditions can not foam out the die assembly with stud 112, also can remove cavity 11 after the completion of die assembly foaming
Interior redundant structure, then installs stud 112, such as in reinforced wall 111, the first side wall in the corresponding position of cavity 11
113 and second sidewall 114 on semicolumn muscle 1121 is installed, between reinforced wall 111 and the first side wall 113 and reinforced wall 111
Cylinder muscle 1122 is installed between second sidewall 114；2) sealing of cover plate 2 is covered on the cavity 11 of die main body 1, by rising head
30 are arranged on shift fork 14 close to the first pin ear 12, and the shape of rising head 30 can be according to the first portion being connected with rising head 30 for selling ear 12
The shape of position is designed；3) brushing thickness 1-1.5mm fireproof coatings, spontaneously dry laggard kiln and enter within 72 hours in 45 degrees Celsius of drying
Enter next procedure；4) running channel 20 is installed to the die assembly 10 after drying, constitutes running gate system, wherein, point running channel 2011 can be by
Three 40*20*100mm small cuboid composition, main running channel 2012 can be made up of 40*40*610mm cuboid, three small length
Spacing is 254mm between the two ends 30mm of the two distance cubes in left and right, small cuboid in cube.Specifically, first will when burying case
Point running channel 2011 of first running channel 201 is in the position corresponding to reinforced wall 111, the first side wall 113 and second sidewall 114 and first
The cover plate 2 of individual die assembly 10 is connected, and same method assembles second die assembly 10 again, and is symmetrically arranged on first mould
The side of component 10, the spacing 250-300mm of die assembly 10；Then poured be made up of 60*60*200mm big cuboid second
Road 202 is overlapped in the top of the main running channel 2012 of the first running channel 201, and 48*500mm is installed additional in the middle part of the second running channel 202
The cylindrical sprue 203 of (diameter * height), adds dry sand to the lower edge of the second running channel 202 in the outside of running gate system, shakes
After real 30-60 seconds, again plus sand to exceed the height 150-200mm of rising head 30, strike off, jolt ramming, envelope plastic foil, peace sprue cup；5)
Poured into a mould under 0.025-0.03MPa negative pressure, 1480 ± 20 DEG C of pouring temperature.It is poured voltage stabilizing 10-15 minutes, stops negative pressure, casts
Part (creeper tread) natural cooling more than 8 hours in sand, mould turnover cleaning removes dead head.
Because multiple points of dealings (show a case that with three points of running channels 2011) that drainage is uniform in Fig. 4, die assembly
The change of structure and the change of pouring position, make polystyrene from bottom to top carry out sequential vapor and are conducive to gas smoothly to discharge,
And the molten steel most of the time does not contact directly with polystyrene, reduces the reaction of molten steel and polystyrene, eliminates stomata
The basic reason of generation, it is therefore prevented that the generation of stomata, reduces casting wasted product rate, and casting qualified rate can reach more than 90%；Separately
After the structural change of outer mold component 10, pre- back-up sand process is eliminated, the drying time of die assembly 10 and the production of stomata is reduced
It is raw, also improve production efficiency and product qualification rate.
The utility model also provides a kind of endless-track vehicle, including the use of above-mentioned die assembly and/or above-mentioned cast system
The creeper tread that controlling is made.
Preferred embodiment of the present utility model is described in detail above in association with accompanying drawing, still, the utility model is not limited
Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model
Art scheme carries out a variety of simple variants, and these simple variants belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each
Possible combination is planted no longer separately to illustrate.
In addition, can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (11)
1. a kind of power shovel creeper tread evaporative pattern mold component, it is characterised in that the die assembly includes：
Die main body (1), the bottom of the die main body (1), which is provided with the middle part of cavity (11), the cavity (11), to be provided with
Multiple separate studs (112) are provided with reinforced wall (111), and the cavity (11)；With
Cover plate (2), the cover plate (2), which can seal, covers the cavity (11), the reinforced wall (111) and the stud
(112) cover plate (2) can be contacted.
2. power shovel creeper tread evaporative pattern mold component according to claim 1, it is characterised in that multiple studs
(112) intermediate cross-section of relatively described reinforced wall (111) is symmetrical, and the relatively described reinforcement of multiple studs (112)
The middle longitudinal section of wall (111) is symmetrical.
3. power shovel creeper tread evaporative pattern mold component according to claim 2, it is characterised in that the stud (112)
Cylindricality is shaped as, the stud (112) of the cylindricality includes semicolumn muscle (1121) and cylinder muscle (1122), the semicolumn muscle
(1121) it is arranged on the reinforced wall (111) and the first side wall of the cavity (11) relative with the reinforced wall (111)
(113) and in second sidewall (114), the cylinder muscle (1122) is located at the reinforced wall (111) and the first side wall (113)
Between and the reinforced wall (111) and the second sidewall (114) between.
4. power shovel creeper tread evaporative pattern mold component according to claim 3, it is characterised in that the first side wall
And the marginal portion of the close cover plate (2) of the second sidewall (114) is separately provided for accommodating the cover plate (113)
(2) concave station.
5. power shovel creeper tread evaporative pattern mold component according to claim 1, it is characterised in that the cavity (11) is used for
Accommodate dry sand.
6. the power shovel creeper tread evaporative pattern mold component according to claim 3 or 4, it is characterised in that the die main body
(1) the first pin ear (12), the second pin ear (13) and shift fork (14), the first pin ear (12) and the second pin ear (13) are included
Respectively positioned at the both sides of the bearing of trend along the reinforced wall (111) of the die main body (1), the shift fork (14) is located at institute
State the top of die main body (1).
7. a kind of running gate system, it is characterised in that including：
Power shovel creeper tread evaporative pattern mold component (10) described at least two claims 6, die assembly described at least two
(10) bottom is relatively placed, and position of the position higher than the described second pin ear (13) of the first pin ear (12)；
Running channel (20), the running channel (20) close to described second pin ear (13) and respectively with die assembly described at least two (10)
Bottom be connected；With
Rising head (30), the rising head (30) is arranged on the shift fork (14) close to the described first pin ear (12).
8. running gate system according to claim 7, it is characterised in that the running channel (20) includes：
At least two first running channels (201), the first running channel (201) described at least two in the horizontal direction respectively with least two institutes
The bottom for stating die assembly (10) is connected；
Second running channel (202), second running channel (202) is homogeneous with the first running channel (201) described at least two in the horizontal direction
Even；With
Sprue (203), the sprue (203) is vertically connected along vertical direction with second running channel (202), described straight
Running channel (203) is used to install sprue cup.
9. running gate system according to claim 8, it is characterised in that each first running channel (201) includes：
Point running channel (2011), the quantity of described point of running channel (2011) be it is multiple, multiple described point of running channels (2011) it is parallel to each other and
Respectively in corresponding to the first side wall (113), the reinforced wall (111) and the second sidewall (114) three at least
The position of one is connected with the cover plate (2)；With
Main running channel (2012), the main running channel (2012) is connected with multiple described point of running channels (2011), second running channel
(202) it is connected with the main running channel (2012).
10. running gate system according to claim 9, it is characterised in that described point of running channel (2011) and the main running channel
(2012) cross section is rectangle, and cross section of the cross section than the main running channel (2012) of described point of running channel (2011)
It is small；And/or, the cross section of second running channel (202) is rectangle, and the cross section of the sprue (203) is circle.
11. a kind of endless-track vehicle, it is characterised in that including the use of the die assembly any one of claim 1-6 and/or
The creeper tread of running gate system manufacture any one of claim 7-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720203002.XU CN206550291U (en) | 2017-03-03 | 2017-03-03 | Power shovel creeper tread evaporative pattern mold component, running gate system and endless-track vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720203002.XU CN206550291U (en) | 2017-03-03 | 2017-03-03 | Power shovel creeper tread evaporative pattern mold component, running gate system and endless-track vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN206550291U true CN206550291U (en) | 2017-10-13 |
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ID=60363115
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|---|---|---|---|
| CN201720203002.XU Active CN206550291U (en) | 2017-03-03 | 2017-03-03 | Power shovel creeper tread evaporative pattern mold component, running gate system and endless-track vehicle |
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| CN (1) | CN206550291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893773A (en) * | 2021-02-23 | 2021-06-04 | 天长市兴宇铸造有限公司 | Module wax part structure for upper and lower shell castings in coupler and draft gear and tree assembling process thereof |
-
2017
- 2017-03-03 CN CN201720203002.XU patent/CN206550291U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893773A (en) * | 2021-02-23 | 2021-06-04 | 天长市兴宇铸造有限公司 | Module wax part structure for upper and lower shell castings in coupler and draft gear and tree assembling process thereof |
| CN112893773B (en) * | 2021-02-23 | 2024-01-26 | 天长市兴宇铸造有限公司 | Module wax component structure for upper and lower shell castings in hook buffer device and tree assembling process thereof |
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