CN102628336A - Batter pile construction drilling machine and construction method - Google Patents
Batter pile construction drilling machine and construction method Download PDFInfo
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- CN102628336A CN102628336A CN2012101369207A CN201210136920A CN102628336A CN 102628336 A CN102628336 A CN 102628336A CN 2012101369207 A CN2012101369207 A CN 2012101369207A CN 201210136920 A CN201210136920 A CN 201210136920A CN 102628336 A CN102628336 A CN 102628336A
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- 238000010276 construction Methods 0.000 title claims abstract description 63
- 238000005553 drilling Methods 0.000 title claims abstract description 35
- 239000004567 concrete Substances 0.000 claims abstract description 22
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 28
- 239000002689 soil Substances 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000007569 slipcasting Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a batter pile construction drilling machine and a construction method, and can rapidly carry out the construction of batter piles inclined at needed angles. The invention adopts the following technical scheme: in the batter pile construction drilling machine, a rig is arranged on a base assembly, one end of the rig is rotatably connected with the base, the other end of the rig is a free end, moreover, an adjusting cylinder which is used for adjusting the angle between the rig and the base is arranged between the rig and the base, the rig is provided with a slip slide way along the length direction, a slip is matched with the slip slide way, and is connected with a drill tool, and two sets of drive pairs which are used for driving the drill tool to move along the length direction of the rig are respectively arranged on both sides of the rig. The method for carrying out construction by utilizing the batter pile construction drilling machine includes the following steps: (1) the rig is adjusted according to a designed angle until a drill bit reaches a designed depth; (2) a concrete pump or a mortar pump is started, so that a pile hole is filled up with concrete or mortar; (3) profile steels or a reinforcement cage are inserted into the concrete or mortar, so that a pile is formed; (4) the drilling machine is moved to the next pile position, and according to the sequence of the method, the piles are formed.
Description
Technical field
The present invention relates to a kind of taper pile construction drill and job practices, can accomplish the construction of required angle taper pile fast, belong to engineering construction field.
Background technology
At present, transform old urban area in the urban construction, because numerous factors such as requirements such as the requirement of people's air defense, urban operating mechanism parking, factor that land price is high, city planning limits for height, generally newly-built, reconstruction and extension project all can design basement.The construction of basement foundation ditch owing to the influence of the underground space and to closing on the protection requirement of building, underground municipal pipeline, generally all will be carried out strict Foundation Pit Support Design construction.Support system commonly used at present has pile-anchor supporting system and composite soil nailing wall support system; Especially the composite soil nailing wall support system because it is cheap, is widely applied in engineering; At present because the restriction of technology and equipment; Mostly the composite soil nailing wall support system is vertical mini pile, and supporting and protection structure is stressed not too reasonable, and cost is also than higher.Do not have a kind of job practices and the equipment taper pile of constructing fast in the prior art, make it to be applied to the panel of composite soil nailing wall.
Also has a kind of Retaining Structure with Double-row Piles in the pattern foundation pit supporting structure; In Retaining Structure with Double-row Piles, what adopt now also all is plumb pile, if can the double-row pile structure construction be become along the taper pile of excavation face; Also can make the more reasonable stress of supporting and protection structure; It is main making being curved of interior campshed become pressurized, can reduce the use of great deal of steel, practices thrift building materials and reduces cost.
Summary of the invention
One of the object of the invention has provided a kind of taper pile construction drill, spends to arbitrarily angled construction between 90 degree 0, can the horizontal anchor pole of rapid construction, soil nailing, mini pile.
To achieve these goals, the present invention adopts following technical scheme:
A kind of taper pile construction drill; Comprise drilling tool, base assembly, be arranged on running gear, the slew gear between base assembly and running gear of base assembly below, also be provided with electrical distribution system, hydraulic power unit and control system on the base assembly, drilling tool comprises unit head, sleeve pipe and drill bit; It is characterized in that: the base assembly is provided with pylon; Be rotationally connected between pylon one end and the base, the other end is a free end, and is provided with the adjusting cylinder that is used to regulate pylon and base angle between pylon and the base; Pylon is provided with the slips slideway along its length; Slips cooperates with the slips slideway, and slips links to each other with drilling tool, and both sides are provided with a cover respectively and are used to drive the transmission that drilling tool moves along the tower length direction on the pylon.
In the above-mentioned taper pile construction drill, transmission is sprocket wheel chain pair or rack-and-pinion.
In the above-mentioned taper pile construction drill, a hydraulic motor is equipped with at said sprocket wheel pylon two ends respectively, and transmission is that the sprocket wheel chain is secondary, and sprocket wheel links to each other with hydraulic motor, and chain links to each other with unit head.
In the above-mentioned taper pile construction drill, unit head is a hollow structure, has the built-in key of a plurality of protrusions in the hole; Sleeve pipe is divided into sleeve pipe and setting of casing; Last sleeve pipe vacancy from unit head is passed, and the upper end connects the slip casting converter, and goes up the keyway that the sleeve pipe side is provided with built-in key correspondence; The lower end links to each other with setting of casing, and drill bit is installed in the setting of casing lower end.
In the above-mentioned taper pile construction drill, the taper pile construction drill also includes the hoist engine that is arranged on the base assembly.
In the above-mentioned taper pile construction drill, when pylon and base angle were 45 °-90 °, the taper pile construction drill also included bearing diagonal, and this bearing diagonal one end is installed in base after-poppet both sides respectively, and the other end links to each other with pylon.
In the above-mentioned taper pile construction drill, the taper pile construction drill also includes the hydraulic leg that is arranged on the base assembly.
Two of the object of the invention has provided a kind of above-mentioned taper pile construction drill job practices of utilizing, and efficiency of construction is high and environment friendly and pollution-free.
To achieve these goals, the present invention adopts following technical scheme:
A kind of method of utilizing said taper pile construction drill to construct is characterized in that:
1) the taper pile construction drill is reached the job site,, make the good stake position of drill bit measurement and positioning, close drill bit bottom valve according to design point of view adjustment pylon; Open electrical distribution system, be rotated in the forward, start transmission simultaneously, make unit head drive drilling tool and move downward through control system control drilling tool; When unit head ran down to the pylon bottom, transmission was out of service, and unit head stops operating, the reverse little commentaries on classics of unit head afterwards; Make the built-in key of unit head withdraw from the keyway of sleeve pipe, start the transmission inverted running, make unit head to the operation of pylon upper end; Keyway place, supreme sleeve pipe upper end, transmission is out of service, starts the running of unit head forward; Make built-in key get into keyway, start transmission and move downwards, reach projected depth until drill bit;
2) stop drill bit movement, start concrete pump or mortar pump, through pipeline and drilling tool hollow position pumping of concrete or mortar in the good stake hole of above-mentioned brill; Startup simultaneously makes the drill bit reverse rotation, and utilizes the transmission reverse drive, makes unit head drive drilling tool and moves upward; Reverse operating according to creeping into leaves the soil body until drill bit, during this period; Concrete pump or mortar pump cooperate drilling tool to move continuously; Make concrete or mortar be full of the stake hole that the drill bit extrusion soil forms always, leave the soil body until drill bit, the stake hole that this moment, the drill bit extrusion soil formed is full of by concrete or mortar fully;
3) in concrete or mortar, insert shaped steel or reinforcing cage pile according to designing requirement;
4) start taper pile construction drill running gear, move rig to next position, according to said method order pile.
Taper pile construction drill of the present invention has following advantage:
Through regulating the cooperation of cylinder and transmission, rig of the present invention can be spent to arbitrarily angled construction between 90 degree 0, can the horizontal anchor pole of rapid construction, soil nailing, mini pile; Unit head can be fixed in the pylon optional position, thereby realizes the adjustment of casing length, and unit head is a hollow; Itself and last sleeve pipe transmit power through key and keyway, and simple and practical, the unit head key can slide along sleeve pipe after withdrawing from keyway; Make sleeve pipe can surpass the length of rig pylon; Can construct above the anchor pole of tower length, compact overall structure, reasonable in design.
Construction of the present invention with original compared with techniques, has following advantage:
1, this worker method adopts sleeve pipe rotation extrusion pore-forming, and the stake end does not have loosened soil, has increased substantially bearing capacity of pile tip, has reduced the settling amount of stake; Do not need mud, do not have the pollution of mud fully, more do not have the pollution of mud conditioning, very environmental protection environment;
2, this worker method does not have the mud skin, and counter-rotating proposes the roughness that sleeve pipe can increase the stake surface, can also adopt simultaneous techniques as required; Make the stake surface form shape of threads; Increase substantially the stake frictional force in week, can effectively bring into play the mechanical property of material, can save a large amount of building materials.
3, rig moment of torsion of the present invention is very big, and water booster system is arranged, and can guarantee that sleeve pipe puts in place fast, and can go into rock.
4, efficiency of construction is high, and the construction that traditional handicraft is accomplished an anchor pole needs 2-3 hour, and this worker method only needs 20 minutes;
5, integrated cost is low, and this worker method one bench drill function is supported last traditional rig more than ten, and this worker method rig only needs 5 people operation, and ten traditional bench drill machines need 40-50 people's construction approximately, thereby cost of labor reduces;
6, the drilling tool of rig is disposable is in place, and does not need repeatedly installation, dismounting drilling tool in the work progress, has saved the time, has reduced labour intensity, has also avoided the potential safety hazard of frequent installation, dismounting drilling rod.
Description of drawings
Fig. 1 is the structural representation of the selected embodiment of the present invention.
Structural representation when Fig. 2 is vertical state for pylon.
Fig. 3 is slips and a slips passage syndeton sketch map in the pylon.
Fig. 4 is unit head and casing-pipe connection structure sketch map.
Among the figure 1, drill bit, 2, pylon, 3, hydraulic motor, 4, go up sleeve pipe, 5, chain, 6, regulate cylinder; 7, electrical distribution system, 8, the control system, 9, unit head, 10, setting of casing, 11, hydraulic power unit, 12, running gear; 13, slew gear, 14, the base assembly, 15, hoist engine, 16, hydraulic leg, 17, fore-stock, 18, after-poppet; 19, slips slideway, 20, slips, 21, keyway, 22, built-in key, 23, the slip casting converter, 24, bearing diagonal.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is explained further details, following explanation only is exemplary, does not limit protection scope of the present invention.
With reference to accompanying drawing 1,2; A kind of taper pile construction drill; Comprise drilling tool, base assembly 14, be arranged on the hydraulic leg 16 on the base assembly 14, the running gear 12 that is arranged on base assembly 14 belows, the slew gear 13 between base assembly 14 and running gear 12, also be provided with electrical distribution system 7, hydraulic power unit 11 and control system 8 on the base assembly 14; Drilling tool is installed on the pylon 2, and drilling tool comprises last sleeve pipe 4, unit head 9, setting of casing 10 and the drill bit 1 that sets gradually; Base assembly 14 two ends are provided with fore-stock 17 and after-poppet 18 respectively, and base is provided with pylon 2; Fore-stock 17 on pylon 2 one ends and the base is rotatably connected through rotating shaft, and the other end is a free end, and is provided with the adjusting cylinder 6 that is used to regulate pylon 2 and base angle between pylon 2 and the base; With reference to figure 3, pylon 2 is provided with slips slideway 19 along its length, and slips 20 cooperates with slips slideway 19, and slips 20 links to each other with unit head; Pylon 2 both sides are provided with a cover respectively and are used to drive the transmission that drilling tool moves along pylon 2 length directions.
On the basis of embodiment 1, optimized technical scheme of the present invention is: transmission is sprocket wheel chain pair or rack-and-pinion.
On the basis of embodiment 2; Optimized technical scheme of the present invention is: with reference to accompanying drawing 1,2; A hydraulic motor 3 is equipped with at said sprocket wheel pylon 2 two ends respectively, and transmission is that the sprocket wheel chain is secondary, and sprocket wheel links to each other with hydraulic motor 3; Chain 5 links to each other with unit head 9, utilizes hydraulic motor 3 to drive unit head 9 with chain 5 and moves along slips slideway 19 directions.
On the basis of embodiment 1 or 2 or 3, optimized technical scheme of the present invention is: with reference to accompanying drawing 4, unit head 9 is a hollow structure; The built-in key 22 that has a plurality of protrusions in the hole, sleeve pipe are divided into sleeve pipe 4 and setting of casing 10, and last sleeve pipe upper end connects slip casting converter 23; Last sleeve pipe 4 is vacated from unit head 9 and is passed; And last sleeve pipe 4 sides are provided with the built-in key 22 of the unit head 9 of keyway 21 correspondences, and last sleeve pipe 4 lower ends link to each other with setting of casing 10, and drill bit 1 is installed in the setting of casing lower end.
On the basis of embodiment 1 or 2 or 3, optimized technical scheme of the present invention is: with reference to accompanying drawing 1,2, the taper pile construction drill also includes the hoist engine 15 that is arranged on the base assembly 14, is used to promote anchor cable, reinforcing bar, sleeve pipe etc.
On the basis of embodiment 1 or 2 or 3; Optimized technical scheme of the present invention is: with reference to accompanying drawing 2; When pylon 2 and base angle are 45 °-90 °; The taper pile construction drill also includes bearing diagonal 24, and these bearing diagonal 24 1 ends are installed in after-poppet 18 both sides on the base 14 respectively, and the other end links to each other with pylon 2.Adopt this structure can guarantee the stability and the safety of pylon 2.
A kind of method of utilizing the taper pile construction drill to construct,
1) the taper pile construction drill is reached the job site,, make drill bit 1 aim at the good stake position of measurement and positioning, close drill bit 1 bottom valve according to design point of view adjustment pylon 2; Open electrical distribution system 7, be rotated in the forward, start transmission simultaneously, make unit head 9 drive drilling tool and move downward through control system 8 control drilling tools; When unit head 9 ran down to the pylon bottom, transmission was out of service, and unit head 9 stops operating, unit head 9 reverse little commentaries on classics afterwards; Make the built-in key of unit head 9 withdraw from the keyway 21 of sleeve pipe 4, start the transmission inverted running, unit head 9 is moved to pylon 2 upper ends; Supreme sleeve pipe 4 upper end keyways 21 places, transmission is out of service, starts the running of unit head 9 forwards; Make built-in key 22 get into keyway, start transmission and move downwards, reach projected depth until drill bit;
2) stop drill bit 1 motion, start concrete pump or mortar pump, through pipeline and drilling tool hollow position pumping of concrete or mortar in the good stake hole of above-mentioned brill; Startup simultaneously makes drill bit 1 reverse rotation, and utilizes the transmission reverse drive, makes unit head 9 drive drilling tools and moves upward; Leave the soil body until drill bit 1; During this period, concrete pump or mortar pump cooperate drilling tool to move continuously, make concrete or mortar be full of the stake hole that drill bit 1 extrusion soil forms always; Leave the soil body until drill bit 1, the stake hole that this moment, drill bit 1 extrusion soil formed is full of by concrete or mortar fully;
3) in concrete, insert shaped steel or reinforcing cage pile according to designing requirement;
4) start taper pile construction drill running gear 12, move rig to next position, according to said method order pile.
Taper pile construction drill of the present invention and job practices, the composite soil nailing wall system and the double-row pile system that can be applied in the foundation pit supporting system exist, and the excavation of foundation pit face is domatic.Utilize taper pile construction drill of the present invention and job practices; Cooperate slip casting converter 23 can accomplish the construction of rotation extrusion sleeve pipe anchor pole; Wherein slip casting converter 23 disclosed in No. 2011200778344 patent document of China national Department of Intellectual Property, and rotation extrusion sleeve pipe anchor pole disclosed in No. 2011200935699 patent document of China national Department of Intellectual Property.
Above embodiment only is used to explain technical scheme of the present invention but not to its restriction; Although the present invention is specified through embodiment; Under the field personnel should make amendment or the part technical characterictic is equal to replacement with reference to concrete mode of the present invention; But under the spirit that does not break away from technical scheme of the present invention, above-mentioned change or be equal to replacement and should belong in the technical scheme scope that the present invention asks for protection.
Claims (8)
1. taper pile construction drill; Comprise drilling tool, base assembly, be arranged on running gear, the slew gear between base assembly and running gear of base assembly below, also be provided with electrical distribution system, hydraulic power unit and control system on the base assembly, drilling tool comprises unit head, sleeve pipe and drill bit; It is characterized in that: the base assembly is provided with pylon; Be rotationally connected between pylon one end and the base, the other end is a free end, and is provided with the adjusting cylinder that is used to regulate pylon and base angle between pylon and the base; Pylon is provided with the slips slideway along its length; Slips cooperates with the slips slideway, and slips links to each other with drilling tool, and the pylon both sides are provided with a cover respectively and are used to drive the transmission that drilling tool moves along the tower length direction.
2. according to the said taper pile construction drill of claim 1, it is characterized in that: transmission is sprocket wheel chain pair or rack-and-pinion.
3. according to the said taper pile construction drill of claim 2, it is characterized in that: a hydraulic motor is equipped with at said sprocket wheel pylon two ends respectively, and transmission is that the sprocket wheel chain is secondary, and sprocket wheel links to each other with hydraulic motor, and chain links to each other with unit head.
4. according to claim 1 or 2 or 3 said taper pile construction drills, it is characterized in that: unit head is a hollow structure, has the built-in key of a plurality of protrusions in the hole; Sleeve pipe is divided into sleeve pipe and setting of casing; Last sleeve pipe vacancy from unit head is passed, and the upper end connects the slip casting converter, and goes up the keyway that the sleeve pipe side is provided with built-in key correspondence; The lower end links to each other with setting of casing, and drill bit is installed in the setting of casing lower end.
5. according to claim 1 or 2 or 3 said taper pile construction drills, it is characterized in that: the taper pile construction drill also includes the hoist engine that is arranged on the base assembly.
6. according to claim 1 or 2 or 3 said taper pile construction drills; It is characterized in that: when pylon and base angle are 45 °-90 °; The taper pile construction drill also includes bearing diagonal, and this bearing diagonal one end is installed in base after-poppet both sides respectively, and the other end links to each other with pylon.
7. according to claim 1 or 2 or 3 said taper pile construction drills, it is characterized in that: the taper pile construction drill also includes the hydraulic leg that is arranged on the base assembly.
8. method of utilizing the said taper pile construction drill of claim 4 to construct is characterized in that:
1) the taper pile construction drill is reached the job site,, make the good stake position of drill bit measurement and positioning, close drill bit bottom valve according to design point of view adjustment pylon; Open electrical distribution system, be rotated in the forward, start transmission simultaneously, make unit head drive drilling tool and move downward through control system control drilling tool; When unit head ran down to the pylon bottom, transmission was out of service, and unit head stops operating, the reverse little commentaries on classics of unit head afterwards; Make the built-in key of unit head withdraw from the keyway of sleeve pipe, start the transmission inverted running, make unit head to the operation of pylon upper end; To keyway place, sleeve pipe upper end, transmission is out of service, starts the running of unit head forward; Make built-in key get into keyway, start transmission and move downwards, reach projected depth until drill bit;
2) stop drill bit movement, start concrete pump or mortar pump, through pipeline and drilling tool hollow position pumping of concrete or mortar in the good stake hole of above-mentioned brill; Startup simultaneously makes the drill bit reverse rotation, and utilizes the transmission reverse drive, makes unit head drive drilling tool and moves upward; Reverse operating according to creeping into leaves the soil body until drill bit, during this period; Concrete pump or mortar pump cooperate drilling tool to move continuously; Make concrete be full of the stake hole that the drill bit extrusion soil forms always, leave the soil body until drill bit, the stake hole that this moment, the drill bit extrusion soil formed is full of by concrete fully;
3) in concrete, insert shaped steel or reinforcing cage pile according to designing requirement;
4) start taper pile construction drill running gear, move rig to next position, according to said method order pile.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210136920.7A CN102628336B (en) | 2012-05-07 | 2012-05-07 | Construction method of batter pile construction drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210136920.7A CN102628336B (en) | 2012-05-07 | 2012-05-07 | Construction method of batter pile construction drilling machine |
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| CN102628336B CN102628336B (en) | 2014-01-01 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846855A (en) * | 2015-06-02 | 2015-08-19 | 马春根 | Detection method of anchoring static load apparatus |
| CN108411962A (en) * | 2018-05-10 | 2018-08-17 | 中建局集团第二建筑有限公司 | Soil nailing wall pore-forming construction device and construction method thereof |
| CN110578331A (en) * | 2019-09-16 | 2019-12-17 | 北京市市政四建设工程有限责任公司 | novel equipment is used in construction of compound stock stake of super dark slant |
| CN111074887A (en) * | 2019-12-31 | 2020-04-28 | 中铁二十二局集团第五工程有限公司 | Portable soil nail mounting plate |
| CN111962532A (en) * | 2020-07-16 | 2020-11-20 | 中铁十五局集团路桥建设有限公司 | Construction method for reinforcing existing railway roadbed side slope inclined high-pressure jet grouting pile |
| CN112160317A (en) * | 2020-09-26 | 2021-01-01 | 北京中岩大地科技股份有限公司 | Construction method of inclined pile stirring drilling machine |
| CN113006085A (en) * | 2021-03-12 | 2021-06-22 | 河北工业大学 | Supporting-first-excavating foundation pit supporting system for inclined prefabricated steel piles and construction method of supporting-second-excavating foundation pit supporting system |
| CN114855773A (en) * | 2022-04-22 | 2022-08-05 | 江西基业科技集团有限公司 | Inclined pile construction method |
| CN117552742A (en) * | 2024-01-12 | 2024-02-13 | 东营市昌瑞石油机械配件有限责任公司 | Guide inclined lost seal integrated packer |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104846855A (en) * | 2015-06-02 | 2015-08-19 | 马春根 | Detection method of anchoring static load apparatus |
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| CN111074887A (en) * | 2019-12-31 | 2020-04-28 | 中铁二十二局集团第五工程有限公司 | Portable soil nail mounting plate |
| CN111962532A (en) * | 2020-07-16 | 2020-11-20 | 中铁十五局集团路桥建设有限公司 | Construction method for reinforcing existing railway roadbed side slope inclined high-pressure jet grouting pile |
| CN112160317A (en) * | 2020-09-26 | 2021-01-01 | 北京中岩大地科技股份有限公司 | Construction method of inclined pile stirring drilling machine |
| CN112160317B (en) * | 2020-09-26 | 2024-09-17 | 北京中岩大地科技股份有限公司 | Construction method of inclined pile stirring drilling machine |
| CN113006085A (en) * | 2021-03-12 | 2021-06-22 | 河北工业大学 | Supporting-first-excavating foundation pit supporting system for inclined prefabricated steel piles and construction method of supporting-second-excavating foundation pit supporting system |
| CN114855773A (en) * | 2022-04-22 | 2022-08-05 | 江西基业科技集团有限公司 | Inclined pile construction method |
| CN117552742A (en) * | 2024-01-12 | 2024-02-13 | 东营市昌瑞石油机械配件有限责任公司 | Guide inclined lost seal integrated packer |
| CN117552742B (en) * | 2024-01-12 | 2024-04-16 | 东营市昌瑞石油机械配件有限责任公司 | Guide inclined lost seal integrated packer |
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