CN213857822U - Positioning device for pile foundation drill bit welding gear single piece - Google Patents

Positioning device for pile foundation drill bit welding gear single piece Download PDF

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Publication number
CN213857822U
CN213857822U CN202022563245.9U CN202022563245U CN213857822U CN 213857822 U CN213857822 U CN 213857822U CN 202022563245 U CN202022563245 U CN 202022563245U CN 213857822 U CN213857822 U CN 213857822U
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Prior art keywords
cone
gear
single piece
pile foundation
wall
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CN202022563245.9U
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Chinese (zh)
Inventor
柳永康
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Suzhou Danv Tools Co ltd
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Suzhou Danv Tools Co ltd
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Abstract

The utility model discloses a positioning device for welding a gear single piece by a pile foundation drill bit, which comprises a gear barrel, a plurality of groups of open slots arranged on the circumferential direction of the gear barrel and in radial symmetrical positions, the gear single piece welded and fixed in each open slot, a radial positioning component arranged on the outer wall or the inner wall of the gear barrel and corresponding to a gear open slot and used for copying and abutting the side edge of the gear single piece, and an axial positioning component arranged on the top of the gear barrel and used for lifting, adjusting and pressing the top of the gear single piece, the radial positioning component comprises an arc body which is fixedly connected with the outer wall or the inner wall of the gear barrel in an attaching way, and a flanging body which is arranged on the arc body and corresponds to the side edge of the single cone sheet in a copying and clamping way, the axial positioning assembly comprises a base embedded into the top of the gear barrel, a rotatable screw rod arranged in the base, a height limiting plate sleeved on the screw rod, and nuts for locking, positioning and locking the upper end and the lower end of the height limiting plate, wherein the outer side of the height limiting plate horizontally extends and is in compression joint with the single cone. The utility model discloses a welding position of gear wheel monolithic improves welding precision.

Description

Positioning device for pile foundation drill bit welding gear single piece
Technical Field
The utility model belongs to the technical field of pile foundation drill bit is used, especially, relate to a pile foundation drill bit welding positioner for gear wheel monolithic.
Background
At present, the pile foundation drill bit can weld the cone single piece according to the requirements of the stratum. According to different diameters, a plurality of cone single pieces are welded on the cone barrel and are arranged in an inner-outer crossed mode. From the viewpoint of the cutting performance of the drill, the requirements of concentricity and same height are required. At present, the construction of a construction site generally adopts a visual inspection method or a simple tool to carry out coarse positioning, so that the theoretical welding requirement is difficult to achieve, and the drilling efficiency and the service life of a drill bit are greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem, and provide pile foundation drill bit welding positioner for gear wheel monolithic to realize the welding position of gear wheel monolithic, improve welding precision. In order to achieve the above purpose, the utility model discloses technical scheme as follows:
pile foundation drill bit welding cone positioner for monolithic, including a tooth section of thick bamboo, locate open slot, welded fastening in each open slot on a plurality of radial symmetric positions of group of tooth section of thick bamboo circumference, welded fastening, locate on tooth section of thick bamboo outer wall or the inner wall and correspond the radial positioning subassembly that keeps off the position open slot and be used for profile modeling butt cone monolithic side and locate the axial positioning subassembly at tooth section of thick bamboo top lift adjustment crimping cone monolithic top, radial positioning subassembly includes the arc body with the outer wall or the inner wall laminating fixed connection of a tooth section of thick bamboo, locate the hem body with the corresponding profile modeling screens of cone monolithic side on the arc body, axial positioning subassembly is including the base at embedding tooth section of thick bamboo top, locate rotatable screw rod in the base, the limit for height board on the screw rod is located to the cover and the nut of lower extreme on the lock location limit for height board, and the outside level extension crimping cone monolithic of limit for height board.
Specifically, the cone single pieces in the open grooves at symmetrical positions on the same diameter are arranged towards the circle center in the same direction or oppositely deviated from the circle center.
Specifically, the single cone pieces in adjacent open grooves on the cone are arranged in opposite directions.
Specifically, the cone single piece comprises a cone leg embedded in the open slot and a shaft head arranged at the top of the cone leg and exposed out of the top of the cone barrel.
Specifically, the two ends of the arc body are respectively arranged on the two sides of the open slot, and the end part of the arc body is fixed on the side wall of the tooth cylinder through the screw and nut assembly.
Specifically, the side edge of the bit leg is provided with a folding angle surface, and the folding angle surface is correspondingly clamped with the folding angle body.
Compared with the prior art, the utility model discloses pile foundation drill bit welding positioner for gear wheel monolithic's beneficial effect mainly embodies:
according to the specification of the tooth cylinder and the cutting bandwidth parameters of the pile foundation drill bit, corresponding radial positioning assemblies are manufactured, and the concentricity requirement of the single cone can be met during welding; the axial height requirements of the cone single pieces of different models can be realized by adjusting the position of the height limiting plate in the axial positioning assembly; the whole structure is simple to assemble, the processing is convenient, and the welding effect is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic top view of the gear box of the present embodiment;
FIG. 3 is a partial enlarged view of the radial positioning assembly of the present embodiment;
FIG. 4 is an enlarged view of a portion of the axial positioning assembly of the present embodiment;
the figures in the drawings represent:
the cone comprises a 1-tooth cylinder, an 11-opening groove, 2-cone single piece, 21 bit legs, 22 shaft heads, 23 bevel faces, 3 circular arc bodies, 31 flanging bodies, 4 bases, 41 bearings, 42 screws, 43 height limiting plates and 44 nuts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments.
Example (b):
referring to fig. 1-4, the positioning device for welding a single cone of a pile foundation drill bit in the embodiment includes a cone 1, a plurality of sets of radially symmetrical open grooves 11 formed in the circumference of the cone 1, a single cone 2 welded and fixed in each open groove 11, a radial positioning assembly arranged on the outer wall or inner wall of the cone 1 and corresponding to each gear open groove 11 and used for copying and abutting against the side edge of the single cone 2, and an axial positioning assembly arranged on the top of the cone 1 and used for lifting and adjusting the top of the single cone 2.
The single cone pieces 2 in the open grooves 11 at the symmetrical positions on the same diameter are arranged towards the circle center in the same direction or reversely deviated from the circle center.
The single cone pieces 2 in the adjacent open grooves 11 on the cone barrel 1 are arranged in opposite directions.
The single cone piece 2 comprises a bit leg 21 embedded in the open groove 11 and a shaft head 22 arranged at the top of the bit leg 21 and exposed out of the top of the cone barrel 1. The shaft head 22 of each single cone 2 is provided with outer ring cutting teeth forming a pile foundation drill bit in the same direction towards the circle center, and the shaft head 22 of each single cone 2 is provided with inner ring cutting teeth forming the pile foundation drill bit in the opposite direction deviating from the circle center.
The radial positioning component comprises an arc body 3 which is fixedly connected with the outer wall or the inner wall of the gear barrel 1 in an attaching way, and a flanging body 31 which is arranged on the arc body 3 and corresponds to the profile modeling clamping position of the side edge of the single cone piece 2. The both ends of arc body 3 are located the both sides of open slot 11 respectively, and the tip of arc body 3 is fixed in tooth section of thick bamboo 1 lateral wall through the screw nut sub-assembly.
The side edge of the bit leg 21 is provided with a 120-degree folding surface 23, and the position of the folding surface 23 is correspondingly clamped with the folding body 31 to form a stable fixing structure of the cone single piece 2.
The axial positioning component comprises a base 4 embedded in the top of the gear barrel 1, a bearing 41 arranged in the base 4, a screw rod 42 which is matched with the bearing 41 and can rotate, a height limiting plate 43 sleeved on the screw rod 42, and nuts 44 for locking and positioning the upper end and the lower end of the height limiting plate 43.
The outer side of the height limiting plate 43 horizontally extends and is in compression joint with the single cone 2, so that the position height of the single cone 2 exposed out of the cone 1 is controlled, and the axial height of the single cone 2 is ensured to be consistent during welding.
When the embodiment is applied, the corresponding radial positioning assembly is manufactured according to the specification of the cone 1 and the cutting bandwidth parameter of the pile foundation drill bit, and the concentric requirement of each cone single piece 2 during welding can be realized; the axial height requirements of the cone single pieces 2 of different types can be realized by adjusting the position of the height limiting plate 43 in the axial positioning assembly; the whole structure is simple to assemble, the processing is convenient, and the welding effect is improved.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (6)

1. Pile foundation drill bit welding positioner for cone monolithic, its characterized in that: including a tooth section of thick bamboo, locate open slot, welded fastening on a plurality of radial symmetric positions of group of tooth section of thick bamboo circumference and be used for the radial positioning subassembly of profile modeling butt roller wheel monolithic side and locate the axial positioning subassembly at the lift adjustment crimping roller wheel monolithic top at tooth section of thick bamboo top on tooth section of thick bamboo outer wall or the inner wall, radial positioning subassembly include with the outer wall of tooth section of thick bamboo or the arc body of inner wall laminating fixed connection, locate on the arc body with the hem body of the corresponding profile modeling screens of roller wheel monolithic side, the axial positioning subassembly is including the base at embedding tooth section of thick bamboo top, locate rotatable screw rod in the base, the limit for height board on the screw rod is located to the cover and the nut of lower extreme on the locking location limit for height board, the outside level extension crimping roller wheel monolithic of limit for height board.
2. The positioning device for the pile foundation bit welding cone single piece according to claim 1, wherein: the cone single pieces in the open grooves at symmetrical positions on the same diameter are arranged towards the circle center in the same direction or oppositely deviated from the circle center.
3. The positioning device for the pile foundation bit welding cone single piece according to claim 1, wherein: the single cone pieces in the adjacent open grooves on the cone are arranged in opposite directions.
4. The positioning device for the pile foundation bit welding cone single piece according to claim 1, wherein: the single cone piece comprises a cone leg embedded in the open slot and a shaft head arranged at the top of the cone leg and exposed out of the top of the cone barrel.
5. The positioning device for the pile foundation bit welding cone single piece according to claim 1, wherein: the two ends of the arc body are respectively arranged on the two sides of the open slot, and the end part of the arc body is fixed on the side wall of the tooth cylinder through the screw and nut assembly.
6. The positioning device for the pile foundation bit welding cone single piece according to claim 4, wherein: the side of the bit leg is provided with a folding angle surface, and the position of the folding angle surface is correspondingly clamped with the folding angle body.
CN202022563245.9U 2020-11-09 2020-11-09 Positioning device for pile foundation drill bit welding gear single piece Active CN213857822U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022563245.9U CN213857822U (en) 2020-11-09 2020-11-09 Positioning device for pile foundation drill bit welding gear single piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022563245.9U CN213857822U (en) 2020-11-09 2020-11-09 Positioning device for pile foundation drill bit welding gear single piece

Publications (1)

Publication Number Publication Date
CN213857822U true CN213857822U (en) 2021-08-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022563245.9U Active CN213857822U (en) 2020-11-09 2020-11-09 Positioning device for pile foundation drill bit welding gear single piece

Country Status (1)

Country Link
CN (1) CN213857822U (en)

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