CN103410439B - The hammer drill of rubber corselet shoulder type six side drill steel can be cooled - Google Patents
The hammer drill of rubber corselet shoulder type six side drill steel can be cooled Download PDFInfo
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- CN103410439B CN103410439B CN201310383326.2A CN201310383326A CN103410439B CN 103410439 B CN103410439 B CN 103410439B CN 201310383326 A CN201310383326 A CN 201310383326A CN 103410439 B CN103410439 B CN 103410439B
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- cooling
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 86
- 239000010959 steel Substances 0.000 title claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 12
- 238000005553 drilling Methods 0.000 abstract description 13
- 239000011435 rock Substances 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005272 metallurgy Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The invention discloses a kind of hammer drill cooling rubber corselet shoulder type six side drill steel, comprise head, in described head, piston is installed, water injection pipe is provided with in described piston, position near piston nose in described head is provided with six square sets, six side's drill steels are plugged with in described six square sets, position near six square set front ends on described six side's drill steels is provided with rubber corselet shank collar, the cooling system for cooling six side's drill steels and rubber corselet shank collar is simultaneously provided with in described head, the present invention cools rubber corselet shank collar, change the failure form of six side's drill steels, be converted to normal wear to scrap.Greatly reduce the cost in rock drilling big gun hole in colliery, metallurgy, railway, traffic, water conservancy, capital construction and national defence stonework, what facilitate new type rubber corselet shoulder type drill steel promotes the use of the fast development with China's drilling tool industry simultaneously.
Description
Technical field
The present invention relates to a kind of hammer drill, relate to the hammer drill of the cooled rubber corselet shoulder type six side drill steel that batch uses in a kind of colliery, metallurgy, railway, traffic, water conservancy, capital construction and national defence stonework specifically.
Background technology
The operating principle of hammer drill is: the compressed air exported with air compressor machine, for power, is moved back and forth by aggressive valve control piston, during stroke, and piston impact drill steel and bore bit cutter crushed rocks; During backhaul, piston driving drill steel and bore bit turn round certain angle.Continuous print impacts, revolution makes drill steel and bore bit on rock, dig out circular big gun hole.
The impact energy of hammer drill and rotation are undertaken transmitting by the drill steel be inserted in six square set holes, in order to the impact stroke ensureing that hammer drill can normally work and hammer drill piston is stable, drill steel is provided with a shank collar, the six square set end contacts press-fited in itself and hammer drill rotary sleeve, limit drill steel and stretch into size in hammer drill, thus ensure that the impact stroke that hammer drill piston is stable.Another effect of shank collar is the disengagement limiting drill steel and hammer drill with the card pricker device acting in conjunction that configures on hammer drill.
The fastening structure of traditional card pricker device adopts spring nut device, the vibration that card pricker device produces along with hammer drill, and nylon nut loosens spring strength simultaneously gradually to be weakened, and the power that tightens up of card pricker device is in free state along with reduction.Lose the limitation function to drill steel.
The shank collar pattern of hammer drill supporting use six side drill steel is divided into two kinds.One is that directly forging upsetting goes out shank collar on drill steel, is monolithic.Mainly drill steel is from shank collar fracture for its failure form, and whole drill steel is scrapped because shank collar fracture can not normally use.In practice of construction uses, often can there is a brand-new drill steel and dig 3-4 big gun hole drill steel from shank collar phenomenon of rupture, cause the raising of rock drilling big gun hole cost in hammer drill.Another kind is rubber corselet shoulder type drill steel.Rubber corselet shoulder type drill steel adds shank collar separately on drill steel, Strength of backfill and the good rubber of abrasion resistance between shank collar and drill steel.Rubber corselet shoulder type drill steel solves the problem that drill steel ruptures from shank collar, and use cost is low, recoverability good, is a much progress of drilling tool industry development.The failure form of rubber corselet shoulder type drill steel is, between shank collar and drill steel, relative displacement occurs.Once there is the rock penetration performance hammer drill cisco unity malfunction even that will affect hammer drill in this relative displacement.Through a large amount of tests and checking, the root that rubber corselet shoulder type drill steel lost efficacy is the continuous firing along with hammer drill, and shank collar place has gathered a large amount of heats, causes temperature to raise, charges rubber deforms, intensity reduces, and drill steel and shank collar there occurs relative displacement.
Summary of the invention
The problem that the invention will solve is to provide a kind of hammer drill that the shank collar of rubber corselet shoulder type drill steel can be enable in rock drilling process to obtain fully cooling.Make shank collar temperature stabilization normal temperature about 20 DEG C by cooling, make between shank collar and drill steel, to remain the due power of tightening up, thus avoid drill steel and shank collar to produce displacement, improve the application life of drill steel.
In order to solve the problem, the invention by the following technical solutions:
A kind of hammer drill cooling rubber corselet shoulder type six side drill steel, comprise head, in described head, piston is installed, water injection pipe is provided with in described piston, position near piston nose in described head is provided with six square sets, be plugged with six side's drill steels in described six square sets, the position near six square set front ends on described six side's drill steels is provided with rubber corselet shank collar, is provided with the cooling system for cooling six side's drill steels and rubber corselet shank collar simultaneously in described head.
Below the further optimization of the present invention to such scheme:
Cooling system comprises the water storage cavity between rear end and the rear end of six side's drill steels being arranged on six square sets, and described water storage cavity is communicated with water injection pipe.
Further optimization: the front end edge circumferencial direction of described six square sets is provided with the hole for water spraying that several can cool rubber corselet shank collar, the excircle of the middle rear end of described six square sets is provided with several exhalant canals be communicated with water storage cavity, and the position in described six square sets between hole for water spraying with exhalant canal is provided with the catch basin be communicated with exhalant canal with hole for water spraying respectively.
Further optimization: be connected by rotary sleeve between described six square sets and the housing of head.
Further optimization: described rubber corselet shank collar comprises the rubber sleeve of closely parcel six side's drill steels, described rubber sleeve be externally connected to banding cover.
Further optimization: it is characterized in that: six side's drill steels are fixed by card pricker device.
Further optimization: described card pricker device comprises the arc card pricker body of two parallel arranged, the front end of described two card pricker bodies connects as one and is bent upwards and forms upper bend, and described reflecting plate is fixedly installed on the outside of bend.
Further optimization: the both sides being rotated with head by card pricker device axle and liner that the rear end of described two card pricker bodies lays respectively at head are linked.
Further optimization: the both sides of described head are respectively equipped with the lug grooves being used for fixing card pricker device.
Further optimization: when hammer drill operation obliquely, after the water ejection of cooling rubber corselet shank collar, part water, along six side's drill steels and head towards operator direction flowing water, is made troubles to operator.In order to overcome this phenomenon, the front end of described card pricker device is fixedly connected with reflecting plate; The front end of head is installed with watertight shutter.Along with the increase of the rock drilling degree of depth, the water rinsing big gun hole can flow to operator along drill steel, and watertight shutter just can change the flow direction of this part water, facilitates operation, and when hammer drill is shut down, cooling water is just truncated.
During assembling, first six square sets are pressed fit in rotary sleeve, then by its overall loading unit endoporus; In the hole that card pricker device axial compression loading unit is arranged, two inserts are contained on card pricker device axle, then are sleeved on liner by card pricker body.When six side's drill steels insert in six square sets, during the two lug grooves pressure arranged on head by card pricker device, card pricker device can expand outwardly along the axis of two liners, and card pricker device just enters into two lug grooves, limit being separated of six side's drill steels and six square sets, thus six side's drill steels and rock drilling are combined as a whole.
When upwards carrying card pricker device, card pricker device can expand outwardly along the axis of two liners, and card pricker device just can be thrown off in two lug grooves, and six side's drill steels just can take out from six square sets, thus throw off with hammer drill.
When hammer drill starts rock drilling, water injection pipe is entered into from the water of water pipe head access, the water part water sprayed from water injection pipe flows to water storage cavity rapidly, a part directly enters into the exhalant canal formed through rotary sleeve and six square sets, several hole for water sprayings arranged from six square sets again spray to rubber corselet shank collar, the water of part in divergent state is by the front end of baffle reflection to rubber corselet shank collar, and rubber corselet shank collar obtains and cools fully.
Due to cooling water continuously spray-dip on rubber corselet shank collar, no matter therefore hammer drill work how long, the temperature of rubber corselet shank collar remains on about 20 DEG C always, and charges rubber can not deform, intensity reduces, and six side's drill steels and rubber corselet shank collar can not be subjected to displacement.The application life of such drill steel is extended widely.
The present invention adopts such scheme, has the following advantages:
1. pair rubber corselet shank collar cools, and changes the failure form of six side's drill steels, is converted to normal wear and scraps.Greatly reduce the cost in rock drilling big gun hole in colliery, metallurgy, railway, traffic, water conservancy, capital construction and national defence stonework, what facilitate new type rubber corselet shoulder type drill steel promotes the use of the fast development with China's drilling tool industry simultaneously.
2. be configured with the card pricker device of special construction, reliable and stable to the limit function of six side's drill steels.Change the drawback of the card pricker device that existing hammer drill configures.
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the embodiment of the present invention;
Accompanying drawing 2 is the top view of accompanying drawing 1;
Accompanying drawing 3 is that A-A in accompanying drawing 1 is to sectional view;
Accompanying drawing 4 is that B-B in accompanying drawing 1 is to sectional view;
Accompanying drawing 5 is the structural representation of rubber corselet shank collar in the embodiment of the present invention;
Accompanying drawing 6 is the structural representation of card pricker device in the embodiment of the present invention;
Accompanying drawing 7 is the top view of accompanying drawing 6;
Accompanying drawing 8 is the structural representation of six square sets in the embodiment of the present invention;
Accompanying drawing 9 is that C-C in accompanying drawing 8 is to sectional view.
In figure: 1-head; 2-rotary sleeve; 3-six square set; 31-hexagonal hole; 32-catch basin; 4-rubber corselet shank collar; 41-banding cover; 42-rubber sleeve; 5-six side drill steel; 6-card pricker device; 60-card pricker body; The upper bend of 61-; Bend under 62-; 8-liner; 9-lug grooves; 10-card pricker device axle; 11-water injection pipe; 12-piston; 13-reflecting plate; 14-watertight shutter; 15-water pipe head; A-water storage cavity; B-exhalant canal; C-hole for water spraying.
Detailed description of the invention
Embodiment, as shown in Figure 1 and Figure 2, a kind of hammer drill cooling rubber corselet shoulder type six side drill steel, comprise head 1, in described head 1, piston 12 is installed, in described piston 12, is provided with water injection pipe 11, in described head 1, be provided with six square sets 3 near the position of piston nose, pluggable in described six square sets 3 have six side's drill steels 5, is connected between described six square sets 3 and the housing of head 1 by rotary sleeve 2;
Described six side's drill steels 5 are provided with the rubber corselet shank collar 4 preventing six side's drill steels 5 from rupturing near the position of six square set 3 front ends;
The cooling system for cooling six side's drill steels 5 and rubber corselet shank collar 4 is simultaneously provided with in described head 1.Cooling system comprises the water storage cavity a between rear end and the rear end of six side's drill steels 5 being arranged on six square sets 3, and described water storage cavity a is communicated with water injection pipe 11.
Six side's drill steels 5 are fixedly mounted by card pricker device 6.The described rear end of card pricker device 6 and the both sides of head 1 are rotated respectively by card pricker device axle 10 and liner 8 and are linked.The both sides of described head 1 are respectively equipped with the lug grooves 9 being used for fixing card pricker device 6.
The front end of described card pricker device 6 is fixedly connected with reflecting plate 13;
When hammer drill operation obliquely, after the water ejection of cooling rubber corselet shank collar 4, part water, along six side's drill steels 5 and precursor towards operator direction flowing water, is made troubles to operator.In order to overcome this phenomenon, be installed with watertight shutter 14 in the front end of head 1 by screw-nut.Along with the increase of the rock drilling degree of depth, the water rinsing big gun hole can flow to operator along drill steel, and watertight shutter 14 just can change the flow direction of this part water, facilitates operation, and when hammer drill is shut down, cooling water is just truncated.
As shown in Fig. 3, Fig. 4, Fig. 8, Fig. 9, the front end edge circumferencial direction of described six square sets 3 is provided with the hole for water spraying c that several can cool rubber corselet shank collar 4, the excircle of the middle rear end of described six square sets 3 is provided with several exhalant canal b be communicated with water storage cavity a, and the position in described six square sets 3 between hole for water spraying c with exhalant canal b is provided with the catch basin 32 be communicated with exhalant canal b with hole for water spraying c respectively.
As shown in Figure 5, described rubber corselet shank collar 4 comprises the rubber sleeve 42 of closely parcel six side's drill steels 5, and the banding that is externally connected to of described rubber sleeve 42 overlaps 41.
As shown in Figure 6, Figure 7, described card pricker device 6 comprises the arc card pricker body 60 of two parallel arranged, the front end of described two card pricker bodies 60 connects as one and is bent upwards and forms upper bend 61, and described reflecting plate 13 is fixedly installed on the outside of bend 61.
The both sides being rotated with head 1 by card pricker device axle 10 and liner 8 that the rear end of described two card pricker bodies 60 lays respectively at head 1 are linked.
During assembling, first six square sets 3 are pressed fit in rotary sleeve 2, then by its overall loading unit 1 endoporus; Card pricker device axle 10 presses fit in the hole of setting on head 1, and two liners 8 are sleeved on card pricker device axle 10, then are sleeved on liner 8 by card pricker body 6.When six side's drill steels 5 insert in six square sets 3, when two lug grooves 9 that card pricker device 6 is arranged on head 1 are pressed, card pricker device 6 can expand outwardly along the axis of two liners 8, card pricker device 6 just enters into two lug grooves 9, limit being separated of six side's drill steels 5 and six square sets 3, thus six side's drill steels 5 are combined as a whole with rock drilling;
When upwards carrying card pricker device 6, card pricker device 6 can expand outwardly along the axis of two liners 8, and card pricker device 6 just can be thrown off in two lug grooves 9, and six side's drill steels 5 just can take out from six square sets 3, thus throw off with hammer drill.
When hammer drill starts rock drilling, the water accessed from water pipe head 15 enters into water injection pipe 11, the water part water of ejection from water injection pipe 11 flows to rapidly water storage cavity a, a part directly enters into the exhalant canal b formed through rotary sleeve 3 and six square sets 4, several hole for water sprayings C arranged from six square sets 3 again sprays to rubber corselet shank collar 4, the water of part in divergent state is reflexed to the front end of rubber corselet shank collar 4 by reflecting plate 13, rubber corselet shank collar 4 obtains and cools fully.
Due to cooling water continuously spray-dip on rubber corselet shank collar 4, no matter therefore hammer drill work how long, the temperature of rubber corselet shank collar 4 remains on about 20 DEG C always, and charges rubber can not deform, intensity reduces, and six side's drill steels 5 can not be subjected to displacement with rubber corselet shank collar 4.The application life of such drill steel is extended widely.
Claims (8)
1. one kind can cool the hammer drill of rubber corselet shoulder type six side drill steel, comprise head (1), piston (12) is installed in described head (1), water injection pipe (11) is provided with in described piston (12), position near piston nose in described head (1) is provided with six square sets (3), six side's drill steels (5) are plugged with in described six square sets (3), the upper position near six square sets (3) front end of described six side's drill steels (5) is provided with rubber corselet shank collar (4), it is characterized in that: in described head (1), be provided with the cooling system for cooling six side's drill steels (5) and rubber corselet shank collar (4) simultaneously,
Cooling system comprises the water storage cavity (a) between rear end and the rear end of six side's drill steels (5) being arranged on six square sets (3), and described water storage cavity (a) is communicated with water injection pipe (11); The front end edge circumferencial direction of described six square sets (3) is provided with the hole for water spraying (c) that several can cool rubber corselet shank collar (4), the excircle of the middle rear end of described six square sets (3) is provided with several exhalant canals (b) be communicated with water storage cavity (a), and on described six square sets (3), the position be positioned between hole for water spraying (c) with exhalant canal (b) is provided with the catch basin (32) be communicated with exhalant canal (b) with hole for water spraying (c) respectively.
2. the hammer drill cooling rubber corselet shoulder type six side drill steel according to claim 1, is characterized in that: be connected by rotary sleeve (2) between described six square sets (3) and the housing of head (1).
3. the hammer drill cooling rubber corselet shoulder type six side drill steel according to claim 2, it is characterized in that: described rubber corselet shank collar (4) comprises the rubber sleeve (42) of closely parcel six side's drill steels (5), described rubber sleeve (42) be externally connected to banding cover (41).
4. the hammer drill cooling rubber corselet shoulder type six side drill steel according to claim 3, is characterized in that: six side's drill steels (5) are fixed by card pricker device (6).
5. the hammer drill cooling rubber corselet shoulder type six side drill steel according to claim 4, it is characterized in that: described card pricker device (6) comprises the arc card pricker body (60) of two parallel arranged, the front end of described two card pricker bodies (60) connects as one and is bent upwards and forms upper bend (61).
6. the hammer drill cooling rubber corselet shoulder type six side drill steel according to claim 5, is characterized in that:
The both sides being rotated with head (1) by card pricker device axle (10) and liner (8) that the rear end of described two card pricker bodies (60) lays respectively at head (1) are linked.
7. the hammer drill cooling rubber corselet shoulder type six side drill steel according to claim 6, is characterized in that: the both sides of described head (1) are respectively equipped with the lug grooves (9) being used for fixing card pricker device (6).
8. the hammer drill cooling rubber corselet shoulder type six side drill steel according to claim 7, is characterized in that: the front end of described card pricker device (6) is fixedly connected with reflecting plate (13); Described reflecting plate (13) is fixedly installed on the outside of bend (61), and the front end of head (1) is installed with watertight shutter (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310383326.2A CN103410439B (en) | 2013-08-29 | 2013-08-29 | The hammer drill of rubber corselet shoulder type six side drill steel can be cooled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310383326.2A CN103410439B (en) | 2013-08-29 | 2013-08-29 | The hammer drill of rubber corselet shoulder type six side drill steel can be cooled |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103410439A CN103410439A (en) | 2013-11-27 |
| CN103410439B true CN103410439B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310383326.2A Active CN103410439B (en) | 2013-08-29 | 2013-08-29 | The hammer drill of rubber corselet shoulder type six side drill steel can be cooled |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150351B (en) * | 2016-08-29 | 2018-02-09 | 山东天瑞重工有限公司 | Water-cooled rock drill |
| CN107558927B (en) * | 2017-08-18 | 2019-11-29 | 宿州青果知识产权服务有限公司 | A kind of rock drill cooling down six side's drill steel of rubber corselet shoulder type |
| CN108049802B (en) * | 2018-01-15 | 2024-05-28 | 山东天瑞重工有限公司 | Novel torque output structure for hydraulic rock drill |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA922208A (en) * | 1969-05-22 | 1973-03-06 | Ingersoll-Rand Company | Rock drill |
| CN201695939U (en) * | 2009-09-15 | 2011-01-05 | 周鼎 | Novel high-insulation electric rock drill |
| CN202047078U (en) * | 2011-04-28 | 2011-11-23 | 刘轩 | Full hydraulic rotary forging hammer drill |
| CN203515312U (en) * | 2013-08-29 | 2014-04-02 | 潍坊天瑞重工凿岩机械有限公司 | Jackdrill with hexagonal drill rod with rubber coakeslet shank collar capable of being cooled |
-
2013
- 2013-08-29 CN CN201310383326.2A patent/CN103410439B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA922208A (en) * | 1969-05-22 | 1973-03-06 | Ingersoll-Rand Company | Rock drill |
| CN201695939U (en) * | 2009-09-15 | 2011-01-05 | 周鼎 | Novel high-insulation electric rock drill |
| CN202047078U (en) * | 2011-04-28 | 2011-11-23 | 刘轩 | Full hydraulic rotary forging hammer drill |
| CN203515312U (en) * | 2013-08-29 | 2014-04-02 | 潍坊天瑞重工凿岩机械有限公司 | Jackdrill with hexagonal drill rod with rubber coakeslet shank collar capable of being cooled |
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Denomination of invention: Rock drilling machine capable of cooling rubber cokeslet steel collar type hexagonal drill rod Effective date of registration: 20190328 Granted publication date: 20151202 Pledgee: Bank of Communications Ltd. Weifang branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY Co.,Ltd. Registration number: 2019370000059 |
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Denomination of invention: Rock drilling machine capable of cooling rubber cokeslet steel collar type hexagonal drill rod Effective date of registration: 20200325 Granted publication date: 20151202 Pledgee: Bank of Communications Ltd. Weifang branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY Co.,Ltd. Registration number: Y2020370000033 |
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Denomination of invention: Rock drill with cooling rubber collar shoulder type hexagonal drill rod Effective date of registration: 20210427 Granted publication date: 20151202 Pledgee: Bank of Communications Ltd. Weifang branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY Co.,Ltd. Registration number: Y2021980003080 |
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Denomination of invention: Rock drill with cooling rubber collar and shoulder hexagonal drill rod Effective date of registration: 20220629 Granted publication date: 20151202 Pledgee: Bank of Communications Ltd. Weifang branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY Co.,Ltd. Registration number: Y2022370000081 |
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