CN210597311U - Pile pipe positioner of pile driver - Google Patents
Pile pipe positioner of pile driver Download PDFInfo
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- CN210597311U CN210597311U CN201921396964.7U CN201921396964U CN210597311U CN 210597311 U CN210597311 U CN 210597311U CN 201921396964 U CN201921396964 U CN 201921396964U CN 210597311 U CN210597311 U CN 210597311U
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- pile driver
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- guide rail
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Abstract
The utility model discloses a pile pipe positioner of a pile driver, which comprises a positioning plate, a connecting plate, a bottom plate, a first reinforcing rod and supporting legs, wherein the positioning plate and the bottom plate are in the shape of a rectangular frame with the same size and shape, a plurality of threaded holes are respectively formed in two longer frames of the positioning plate, the lower surface of the positioning plate is connected with the bottom plate through two parallel connecting plates, the two connecting plates are vertically arranged with the positioning plate, the four corners of the lower surface of the bottom plate are respectively welded with one supporting leg, the first reinforcing rod is arranged between two adjacent supporting legs positioned on the shorter frame of the bottom plate, and the two first reinforcing rods and the supporting legs at the two sides of the; the utility model discloses a bolt is fixed pile driver stake pipe locator in the lower part of vertical guide rail, has improved the precision of pile position greatly, and the stake pipe is mentioned through the second couple, does not need the people to move, and the overall process only needs can easily to be accomplished alone, saves the labour, and degree of automation is high.
Description
Technical Field
The utility model relates to a pile driver technical field specifically is a pile driver stake pipe locator.
Background
In the prior art, before a pile driver drives a pile, pile pipes are arranged in a pile driving position along a straight line, the length of each pile pipe exceeds two meters, the weight of each pile pipe is larger than 50 kilograms, the pile pipes are lifted up manually, one person fixes the bottoms of the pile pipes at a preset position, the other person stands the pile pipes, a drilling device rises along a vertical guide rail, and then the pile pipes fall down to be driven into the preset position. Therefore, the problems of inaccurate fixing position, high labor intensity and low mechanization degree exist.
SUMMERY OF THE UTILITY MODEL
The technical insufficiency to the existence of the utility model aims at providing a pile driver stake pipe locator to solve the problem that proposes in the background art.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a pile driver pile pipe positioner, it is installed on the vertical guide rail of pile driver, and the drilling equipment of pile driver passes through coupling mechanism and moves on the vertical guide rail, pile driver pile pipe positioner include locating plate, connecting plate, bottom plate, first stiffener and landing leg, locating plate and bottom plate are the rectangle frame form that size and shape are the same, set up a plurality of screw holes on two longer frames of locating plate respectively, the lower surface of locating plate connects the bottom plate through two parallel connecting plates, two the connecting plate sets up with the locating plate is perpendicular, a landing leg is welded respectively in the four corners department of bottom plate lower surface, is equipped with first stiffener between two adjacent landing legs that lie in the shorter frame of bottom plate, and two first stiffeners constitute the U-shaped constant head tank with the landing leg of its both sides;
pile driver stake pipe locator pass through the bolt and install the lower part of the vertical guide rail of pile driver, rectangle recess, two are all seted up to vertical guide rail both sides lower part a plurality of screw holes are all seted up to one side of rectangle recess, screw hole on the locating plate is corresponding with the screw hole on the vertical guide rail, and a plurality of bolts pass the screw hole on locating plate and the vertical guide rail respectively to it is fixed through the nut, drilling equipment one side middle part is equipped with the solid fixed ring of second, the solid fixed ring of second passes through the chain and the second couple is connected with the stake pipe, a plurality of round holes are all seted up at the both ends of stake pipe, the upper end of chain is fixed on the solid fixed ring of second, the lower extreme.
The second couple includes the spliced pole, coupler body one is connected to the one end of spliced pole, and coupler body two is connected to its other end, coupler body one and coupler body two are located the both sides of spliced pole, the contained angle A between coupler body one and the spliced pole is 20-35, the contained angle A between coupler body two and the spliced pole is 75-85.
Preferably, the first reinforcing rod has a circular arc shape. The first reinforcing rod is protruded towards the direction close to the positioning plate.
Preferably, the end parts of the two support legs positioned on the shorter frame of the bottom plate are provided with baffle plates, one end of each baffle plate is rotatably connected with one support leg through a pin shaft, and the other end of each baffle plate is connected with a first fixing ring on the other support leg through a first hook.
Preferably, the two support legs, the reinforcing rod and the baffle plate which are connected with the baffle plate are respectively connected with arc-shaped plates through springs, and the four arc-shaped plates form a circle.
Three threaded holes are formed in the two longer frames of the positioning plate respectively and are located at the two ends and the middle of the longer frames of the positioning plate respectively.
Preferably, a second reinforcing rod is arranged between two adjacent support legs of the longer frame of the bottom plate.
The beneficial effects of the utility model reside in that:
(1) the utility model discloses a bolt is fixed pile driver stake pipe locator in the lower part of vertical guide rail, in operation, drilling equipment moves to the bottom along vertical guide rail downstream, the coupler body of second couple is hung on the ring of chain lower extreme, the coupler body of second couple is two to be hooked on the round hole of stake pipe, drilling equipment upward movement mentions the stake pipe, the stake pipe lower part is unsettled, remove the pile driver and arrive the assigned position to the locator, operating personnel moves into the U-shaped constant head tank of locator with the lower extreme of stake pipe, drilling equipment whereabouts, pile driving, the automatic round hole from the stake pipe of second couple is deviate from simultaneously. The precision of pile position has been improved greatly, and the stake pipe is mentioned through the second couple, does not need the people to move, and the overall process only needs can easily be accomplished alone, saves the labour, and degree of automation is high.
(2) The utility model discloses a first stiffener is circular-arc, suits with the stake pipe, cooperates with the baffle simultaneously, can prevent that the stake pipe from deviating from the U-shaped constant head tank;
(3) the two supporting legs, the reinforcing rod and the baffle plate which are connected with the baffle plate are respectively connected with the arc-shaped plate through springs. The four arc plates form a circle for fixing the pile pipe, when the pile pipe fixing device is used, the arc plates on the two support legs and the reinforcing rod are adjusted, the three arc plates wrap the pile pipe, the baffle plate is closed, the arc plates on the baffle plate are adjusted, the pile pipe is wrapped by the arc plates, and the position of the pile pipe can be accurately controlled through the four springs and the four arc plates, and the pile pipe fixing device can also adapt to pile pipes with different apertures;
(4) the included angle A between the second hook body of the second hook and the connecting column is 75-85 degrees, when the pile is driven, the drilling device moves downwards to press the pile pipe to drive the pile, meanwhile, the chain moves downwards, and because the second hook is not pulled by upward force, the second hook automatically separates from the round hole of the pile pipe due to self gravity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pile tube positioner of a pile driver provided in embodiment 1;
FIG. 2 is a schematic structural diagram of a pile driver pile tube positioner provided in embodiment 2;
FIG. 3 is a schematic structural diagram of a pile tube positioner of the pile driver provided in the embodiment 3;
FIG. 4 is a schematic structural view of a second hook of the present invention;
fig. 5 is a working diagram of the present invention applied to a pile driver.
Fig. 6 is a partially enlarged view of fig. 5.
Description of reference numerals:
1-positioning plate, 2-connecting plate, 3-bottom plate, 4-first reinforcing rod, 41-second reinforcing rod, 5-supporting leg, 51-first fixing ring, 6-baffle, 61-pin shaft, 62-first hook, 7-spring, 8-arc plate, 9-pile tube, 91-round hole, 11-threaded hole, 12-vertical guide rail, 13-rectangular groove, 14-connecting mechanism, 15-drilling device, 16-second fixing ring, 17-chain, 171-round ring, 18-second hook, 181-first hook body, 182-connecting column, 183-second hook body, 19-bolt and 20-nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in figure 1, the utility model provides a pile tube positioner of a pile driver, which comprises a positioning plate 1, a connecting plate 2, a bottom plate 3, a first reinforcing rod 4 and a supporting leg 5, the positioning plate 1 and the bottom plate 3 are in the shape of rectangular frames with the same size and shape, three threaded holes 11 are respectively arranged on two longer frames of the positioning plate 1, the three threaded holes 11 are respectively positioned at the two ends and the middle part of the longer frame of the positioning plate 1, the lower surface of the positioning plate 1 is connected with the bottom plate 3 through two parallel connecting plates 2, the two connecting plates 2 are arranged perpendicular to the positioning plate 1, landing leg 5 is welded respectively in the four corners department of bottom plate 3 lower surface, is located to be equipped with first stiffener 4 between two adjacent landing legs 5 of the shorter frame of bottom plate 3, is located to be equipped with second stiffener 41 between two adjacent landing legs 5 of the longer frame of bottom plate 3, and two first stiffeners 4 constitute the U-shaped constant head tank rather than the landing leg 5 of both sides.
As shown in fig. 4-6, the utility model discloses a pile driver stake pipe locator installs the lower part of pile driver vertical guide rail 12 through six bolts 19, and rectangle recess 13, two are all seted up to vertical guide rail 12 both sides lower part three screw hole is all seted up to one side of rectangle recess 13, six screw holes 11 on locating plate 1 are corresponding with the screw hole on vertical guide rail 12, and six bolts 19 pass the screw hole on locating plate 1 and the vertical guide rail 12 respectively to it is fixed through nut 20. The drilling device 15 of the pile driver moves on the vertical guide rail 12 through the connecting mechanism 14, a second fixing ring 16 is welded in the middle of one side of the drilling device 15, and the second fixing ring 16 is connected with the pile tube 9 through a chain 17 and a second hook 18. A plurality of round holes 91 are formed in both ends of the pile tube 9, the upper end of the chain 17 is fixed on the second fixing ring 16, and a round ring 171 is arranged at the lower end of the chain 17;
the second hook 18 comprises a connecting column 182, one end of the connecting column 182 is connected with a first hook body 181, the other end of the connecting column 182 is connected with a second hook body 183, the first hook body 181 and the second hook body 183 are positioned on two sides of the connecting column 182, an included angle A between the first hook body 181 and the connecting column 182 is 20-35 degrees, and an included angle A between the second hook body 183 and the connecting column 182 is 75-85 degrees.
The working principle is as follows:
the pile driver is driven to the side of the pile pipe to be pre-driven, the drilling device 15 moves downwards to the bottom along the vertical guide rail 12, the first hook body 181 of the second hook 18 is hung on the circular ring 171 at the lower end of the chain 17, the second hook body 183 of the second hook 18 is hooked on the circular hole 91 of the pile pipe 9, the drilling device 15 moves upwards to lift the pile pipe 9, the lower portion of the pile pipe 9 is suspended, the pile driver is moved to the designated position of the positioner, an operator moves the lower end of the pile pipe 9 into the U-shaped positioning groove of the positioner, the drilling device 15 falls down to drive the pile, and meanwhile the second hook 18 automatically drops out of the circular hole 91 of the pile pipe 9.
Example 2
As shown in fig. 2, the utility model provides a pile tube positioner of a pile driver, which comprises a positioning plate 1, a connecting plate 2, a bottom plate 3, a first reinforcing rod 4 and a supporting leg 5, the positioning plate 1 and the bottom plate 3 are in the shape of rectangular frames with the same size and shape, three threaded holes 11 are respectively arranged on two longer frames of the positioning plate 1, the three threaded holes 11 are respectively positioned at the two ends and the middle part of the longer frame of the positioning plate 1, the lower surface of the positioning plate 1 is connected with the bottom plate 3 through two connecting plates 2, the two connecting plates 2 are arranged perpendicular to the positioning plate 1, landing leg 5 is welded respectively in the four corners department of bottom plate 3 lower surface, is located to be equipped with first stiffener 4 between two landing legs 5 of the shorter frame of bottom plate 3, is located to be equipped with second stiffener 41 between two landing legs 5 of the longer frame of bottom plate 3, and two first stiffeners 4 constitute the U-shaped constant head tank rather than the landing leg 5 of both sides.
Further, the first reinforcing bar 4 is arc-shaped. The first reinforcing rod 4 is convex towards the direction close to the positioning plate 1.
Furthermore, the end parts of the two support legs 5 positioned on the shorter frame of the bottom plate 3 are provided with a baffle 6, one end of the baffle 6 is rotatably connected with one support leg 5 through a pin shaft 61, and the other end of the baffle is connected with a first fixing ring 51 on the other support leg 5 through a first hook 62.
As shown in fig. 4-6, the utility model discloses a pile driver stake pipe locator installs the lower part of pile driver vertical guide rail 12 through six bolts 19, and rectangle recess 13, two are all seted up to vertical guide rail 12 both sides lower part three screw hole is all seted up to one side of rectangle recess 13, six screw holes 11 on locating plate 1 are corresponding with the screw hole on vertical guide rail 12, and six bolts 19 pass the screw hole on locating plate 1 and the vertical guide rail 12 respectively to it is fixed through nut 20. The drilling device 15 of the pile driver moves on the vertical guide rail 12 through the connecting mechanism 14, a second fixing ring 16 is welded in the middle of one side of the drilling device 15, and the second fixing ring 16 is connected with the pile tube 9 through a chain 17 and a second hook 18. A plurality of round holes 91 are formed in both ends of the pile tube 9, the upper end of the chain 17 is fixed on the second fixing ring 16, and a round ring 171 is arranged at the lower end of the chain 17;
the second hook 18 comprises a connecting column 182, one end of the connecting column 182 is connected with a first hook body 181, the other end of the connecting column 182 is connected with a second hook body 183, the first hook body 181 and the second hook body 183 are positioned on two sides of the connecting column 182, an included angle A between the first hook body 181 and the connecting column 182 is 20-35 degrees, and an included angle A between the second hook body 183 and the connecting column 182 is 75-85 degrees.
The working principle is as follows:
the pile driver is driven to the side of the pile pipe to be pre-driven, the drilling device 15 moves downwards to the bottom along the vertical guide rail 12, the first hook body 181 of the second hook 18 is hung on the circular ring 171 at the lower end of the chain 17, the second hook body 183 of the second hook 18 is hooked on the circular hole 91 of the pile pipe 9, the drilling device 15 moves upwards to lift the pile pipe 9, the lower part of the pile pipe 9 is suspended, the pile driver is moved to the designated position of the positioner, an operator moves the lower end of the pile pipe 9 into the U-shaped positioning groove of the positioner, the baffle 6 is closed, the baffle 6 is hung on the first fixing ring 51 through the first hook 62 and fixed, the drilling device 15 moves downwards to press the pile pipe 9, pile driving is carried out, meanwhile, the chain 17 moves downwards, because the included angle A between the second hook body 183 and the connecting column 182 is 75-85 degrees, the second hook 18 is not pulled by upward force, and the second hook 18 automatically comes off from the round hole 91 of the pile tube 9 due to self gravity.
Pile pipe positioner of pile driver is installed below vertical guide rail 12 of pile driver, pile pipe 9 is mentioned through second couple 18, do not need the people to move, the labour has been practiced thrift greatly, the pile pipe moves to the assigned position, because pile pipe lower part is unsettled, only need gently to push the pile pipe into the U-shaped constant head tank of positioner alone, close baffle 6, baffle 6 is hung fixedly on first solid fixed ring 51 through first couple 62, can pile, first stiffener 4 is circular-arc, suit with pile pipe 9, cooperate baffle 6 simultaneously, can prevent that pile pipe 9 from deviating from the U-shaped constant head tank, because the contained angle A between coupler two 183 and spliced pole 182 is 75-85, second couple 18 is automatic to deviate from round hole 91 of pile pipe 9. The whole process can be easily completed by only one person, the labor force is saved, and the automation degree is high.
Example 3
As shown in fig. 3, the utility model provides a pile tube positioner of a pile driver, which comprises a positioning plate 1, a connecting plate 2, a bottom plate 3, a first reinforcing rod 4 and a supporting leg 5, the positioning plate 1 and the bottom plate 3 are in the shape of rectangular frames with the same size and shape, three threaded holes 11 are respectively arranged on two longer frames of the positioning plate 1, the three threaded holes 11 are respectively positioned at the two ends and the middle part of the longer frame of the positioning plate 1, the lower surface of the positioning plate 1 is connected with the bottom plate 3 through two connecting plates 2, the two connecting plates 2 are arranged perpendicular to the positioning plate 1, landing leg 5 is welded respectively in the four corners department of bottom plate 3 lower surface, is located to be equipped with first stiffener 4 between two landing legs 5 of the shorter frame of bottom plate 3, is located to be equipped with second stiffener 41 between two landing legs 5 of the longer frame of bottom plate 3, and two first stiffeners 4 constitute the U-shaped constant head tank rather than the landing leg 5 of both sides.
The first reinforcing rod 4 is arc-shaped. The first reinforcing rod 4 is convex towards the direction close to the positioning plate 1.
The end parts of the two support legs 5 positioned on the shorter frame of the bottom plate 3 are provided with a baffle 6, one end of the baffle 6 is rotatably connected with one support leg 5 through a pin shaft 61, and the other end of the baffle is connected with a first fixing ring 51 on the other support leg 5 through a first hook 62.
The two supporting legs 5 connected with the baffle 6, the reinforcing rod 4 and the baffle 6 are respectively connected with an arc-shaped plate 8 through springs 7. The four arc plates 8 form a circle for fixing the pile pipe.
As shown in fig. 4-6, the utility model discloses a pile driver stake pipe locator installs the lower part of pile driver vertical guide rail 12 through six bolts 19, and rectangle recess 13, two are all seted up to vertical guide rail 12 both sides lower part three screw hole is all seted up to one side of rectangle recess 13, six screw holes 11 on locating plate 1 are corresponding with the screw hole on vertical guide rail 12, and six bolts 19 pass the screw hole on locating plate 1 and the vertical guide rail 12 respectively to it is fixed through nut 20. The drilling device 15 of the pile driver moves on the vertical guide rail 12 through the connecting mechanism 14, a second fixing ring 16 is welded in the middle of one side of the drilling device 15, and the second fixing ring 16 is connected with the pile tube 9 through a chain 17 and a second hook 18. A plurality of round holes 91 are formed in both ends of the pile tube 9, the upper end of the chain 17 is fixed on the second fixing ring 16, and a round ring 171 is arranged at the lower end of the chain 17;
the second hook 18 comprises a connecting column 182, one end of the connecting column 182 is connected with a first hook body 181, the other end of the connecting column 182 is connected with a second hook body 183, the first hook body 181 and the second hook body 183 are positioned on two sides of the connecting column 182, an included angle A between the first hook body 181 and the connecting column 182 is 20-35 degrees, and an included angle A between the second hook body 183 and the connecting column 182 is 75-85 degrees.
The working principle is as follows:
the pile driver is driven to the side of the pile pipe to be pre-driven, the drilling device 15 moves downwards to the bottom along the vertical guide rail 12, the first hook body 181 of the second hook 18 is hung on the ring 171 at the lower end of the chain 17, the second hook body 183 of the second hook 18 is hooked on the round hole 91 of the pile pipe 9, the drilling device 15 moves upwards to lift the pile pipe 9, the lower portion of the pile pipe 9 is suspended, the pile driver is moved to a specified position, an operator moves the lower end of the pile pipe 9 into the U-shaped positioning groove of the positioner, adjusts the arc plates 8 on the two supporting legs 5 and the reinforcing rod 4 to enable the three arc plates 8 to wrap the pile pipe 9, the baffle 6 is closed, the arc plates 8 on the baffle 6 are adjusted to wrap the pile pipe 9, the baffle 6 is hung on the first fixing ring 51 through the first hook 62 to be fixed, the drilling device 15 falls down to drive the pile, and meanwhile the second hook 18 automatically falls off.
Pile pipe positioner of pile driver is installed below vertical guide rail 12 of pile driver, pile pipe 9 is mentioned through second couple 18, do not need the people to move, the labour has been practiced thrift greatly, pile pipe 9 moves to the assigned position, because pile pipe lower part is unsettled, only need to push the pile pipe gently into the U-shaped constant head tank of positioner alone, not only can the position of accurate control pile pipe 9 through four springs and four arcs, but also can adapt to the pile pipe in different apertures, close baffle 6, baffle 6 is hung fixedly on first solid fixed ring 51 through first couple 62, can pile, chain 17 downstream is simultaneously in the pile driving, because the contained angle A between coupler body two 183 and spliced pole 182 is 75-85, do not have ascending power to pull second couple 18, because of self gravity, second couple 18 is deviate from round hole 91 of pile pipe 9 automatically. The whole process can be easily completed by only one person, the labor force is saved, and the automation degree is high.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A pile tube positioner of a pile driver is arranged on a vertical guide rail of the pile driver, and a drilling device of the pile driver moves on the vertical guide rail through a connecting mechanism, and is characterized in that the pile tube positioner of the pile driver comprises a positioning plate, a connecting plate, a bottom plate, first reinforcing rods and supporting legs, wherein the positioning plate and the bottom plate are in a rectangular frame shape with the same size and shape;
pile driver stake pipe locator pass through the bolt and install the lower part of the vertical guide rail of pile driver, rectangle recess, two are all seted up to vertical guide rail both sides lower part a plurality of screw holes are all seted up to one side of rectangle recess, screw hole on the locating plate is corresponding with the screw hole on the vertical guide rail, and a plurality of bolts pass the screw hole on locating plate and the vertical guide rail respectively to it is fixed through the nut, drilling equipment one side middle part is equipped with the solid fixed ring of second, the solid fixed ring of second passes through the chain and the second couple is connected with the stake pipe, a plurality of round holes are all seted up at the both ends of stake pipe, the upper end of chain is fixed on the solid fixed ring of second, the lower extreme.
2. The pile driver pile tube positioner as claimed in claim 1, wherein the second hook comprises a connecting column, one end of the connecting column is connected with a first hook body, the other end of the connecting column is connected with a second hook body, the first hook body and the second hook body are arranged on two sides of the connecting column, an included angle A between the first hook body and the connecting column is 20-35 degrees, and an included angle A between the second hook body and the connecting column is 75-85 degrees.
3. Pile driver pile tube positioner according to claim 1, characterised in that the first reinforcement rod is circular-arc shaped, the circular arc of the first reinforcement rod protruding towards the positioning plate.
4. Pile driver pile tube positioner according to claim 1, characterised in that the ends of the two legs at the shorter side of the bottom plate are provided with a baffle, one end of which is pivotally connected to one leg by means of a pin and the other end of which is connected to a first fixing ring on the other leg by means of a first hook.
5. Pile driver pile tube positioner according to claim 1, characterised in that the two legs, the reinforcement bar and the apron, which are connected to the apron, are each connected to an arc by means of a spring, four of said arcs forming a circle.
6. The pile driver pile tube positioner as claimed in claim 1, wherein the two longer rims of the positioning plate are respectively provided with three threaded holes, and the three threaded holes are respectively located at two ends and in the middle of the longer rims of the positioning plate.
7. Pile driver pile tube positioner according to claim 1, characterised in that a second reinforcement bar is provided between two adjacent legs of the longer frame of the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921396964.7U CN210597311U (en) | 2019-08-26 | 2019-08-26 | Pile pipe positioner of pile driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921396964.7U CN210597311U (en) | 2019-08-26 | 2019-08-26 | Pile pipe positioner of pile driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210597311U true CN210597311U (en) | 2020-05-22 |
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ID=70722962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921396964.7U Active CN210597311U (en) | 2019-08-26 | 2019-08-26 | Pile pipe positioner of pile driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210597311U (en) |
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2019
- 2019-08-26 CN CN201921396964.7U patent/CN210597311U/en active Active
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