CN211728110U - Assembly welding tool for bucket rod of large-tonnage excavator - Google Patents

Assembly welding tool for bucket rod of large-tonnage excavator Download PDF

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Publication number
CN211728110U
CN211728110U CN202020329744.9U CN202020329744U CN211728110U CN 211728110 U CN211728110 U CN 211728110U CN 202020329744 U CN202020329744 U CN 202020329744U CN 211728110 U CN211728110 U CN 211728110U
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China
Prior art keywords
seat
positioning
rod
bucket rod
tonnage excavator
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CN202020329744.9U
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Chinese (zh)
Inventor
陈甲元
黄启滨
欧阳以文
陈利民
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Xiamen XGMA Machinery Co Ltd
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Xiamen XGMA Machinery Co Ltd
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Abstract

The utility model belongs to the technical field of work piece location frock and specifically relates to a group welding frock of large-tonnage excavator dipper is exclusively used in. The assembly welding tool for the bucket rod of the large-tonnage excavator comprises a main body, a plurality of clamping devices and a plurality of positioning seats, wherein the clamping devices and the positioning seats are arranged on the main body; the positioning seats are arranged corresponding to the through holes of the bucket rod of the large-tonnage excavator, and each positioning seat penetrates through the through hole at the corresponding position to position the bucket rod of the large-tonnage excavator through a pin shaft. Install clamping device and positioning seat in this novel main part that adopts simple structure, implement simple round pin axle location and mechanical clamping location to the excavator dipper respectively, when realizing that frock simple structure and workable, easy operation, still ensure the axiality to excavator dipper location, reach the purpose such as the location is accurate, safe and the practicality is strong to solve the technical problem who exists among the prior art.

Description

Assembly welding tool for bucket rod of large-tonnage excavator
Technical Field
The utility model belongs to the technical field of work piece location frock and specifically relates to a group welding frock of large-tonnage excavator dipper is exclusively used in.
Background
The length of large-tonnage excavator bucket rod 4.6 meters, weight 1.6 tons, its structure mainly includes the main part that needs the welding to assemble, and distributes its ear seat structure with one end both sides, has seted up a plurality of through-holes on it, if: the patent application number of the Chinese published invention is 201810173265.X, and discloses a structure of a bucket rod of an excavator.
Present, the welding position frock to excavator dipper will be installed on head-tail formula machine of shifting, and satisfies rigidity and weight requirement, and the problem that current location frock exists is: or the tooling structure is complicated and the manufacturing process is complicated, or the working requirements can not be met. Furthermore, how to design and manufacture the assembly welding tool for the bucket rod of the large-tonnage excavator, which can meet the requirements and has the advantages of simple structure, convenience in processing and manufacturing and the like, is a technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a technical scheme of assembly welding frock of large-tonnage excavator dipper, it includes the main part, and adorns a plurality of clamping device, a plurality of positioning seat on the main part, wherein:
the clamping devices are distributed on the edge of the main body to clamp and position the bucket rod of the large-tonnage excavator;
the positioning seats are arranged corresponding to the through holes of the bucket rod of the large-tonnage excavator, and each positioning seat penetrates through the through hole at the corresponding position to position the bucket rod of the large-tonnage excavator through a pin shaft.
Further preferred is: each clamping device includes coaxial base, middle seat and the footstock that distributes, wherein:
the base is fixedly connected to the main body, and the middle seat is rotatably and adjustably mounted on the base. The top seat is rotatably and adjustably arranged on the middle seat;
a supporting rod extends from the top seat to the radial direction of the top seat, an upper top rod is longitudinally sleeved at the outer end of the supporting rod, and a pressing plate is arranged at the lower end of the upper top rod and is abutted against a cover plate of the bucket rod of the large-tonnage excavator;
the middle seat vertically penetrates through one side ejector rod, and one end of the side ejector rod is provided with a pressing plate to abut against a side plate of the bucket rod of the large-tonnage excavator.
Further preferred is: the plurality of positioning seats comprise a plurality of supporting seat positioning seats and two lug seat positioning seats.
Further preferred is: each the supporting seat positioning seat includes unable adjustment base, lower round seat, screw rod and goes up the round seat, wherein:
the fixed base is fixed on the main body, the upper and lower round seats are respectively screwed at two ends of the screw rod, and the lower round seat is fixedly connected on the fixed base.
Further preferred is: the upper circular seat and the lower circular seat are both circular ring bodies with small-diameter convex surfaces, and the two small-diameter convex surfaces are arranged oppositely.
Further preferred is: each ear seat positioning seat is circle seat, bracer and screw rod under including location base, the location round seat, location, wherein:
the positioning base is fixed on the main body, the positioning upper round seat and the positioning lower round seat are respectively screwed at two ends of the screw rod, and the positioning lower round seat is fixedly connected on the positioning base;
the supporting block is in threaded connection with the screw rod, is located in the middle of the screw rod and is matched with the positioning upper circular seat and the positioning lower circular seat to form a positioning structure.
Further preferred is: the positioning upper round seat and the positioning lower round seat are both circular ring bodies with small-diameter convex surfaces, and the two small-diameter convex surfaces are arranged oppositely.
Further preferred is: the plurality of positioning seats further comprise a bottom plate positioning seat and a side plate positioning seat, and the bottom plate positioning seat and the side plate positioning seat are fixed on the main body.
Further preferred is: the main part includes chassis and two backup pads, wherein:
the underframe is a rectangular frame body formed by welding channel steel. The two supporting plates are fixedly connected to the rectangular frame body respectively and are arranged at two ends of the rectangular frame body respectively to form the front part and the rear part of the main body.
Further preferred is: the supporting plate corresponding to the front part is an I-shaped plate body, and the supporting plate corresponding to the rear part is a square-back plate body.
Compared with the prior art, the utility model has the advantages of it is following:
1. the main body of the utility model adopts a structure that the frame body and the supporting plate are matched, wherein the frame body is formed by welding channel steel, thereby improving the rigidity, lightening the weight and being simple to manufacture;
2. the clamping device and the positioning seat structure are arranged on the middle main body of the excavator bucket rod positioning device, and the coaxiality of positioning the excavator bucket rod is ensured by adopting simple pin shaft positioning and mechanical clamping positioning, so that the purposes of accurate positioning, safety, strong practicability and the like are achieved;
3. the clamping device of the utility model realizes the positioning of the side plate and the cover plate of the bucket rod of the excavator by utilizing two directions, and the positioning of the two-direction mechanical clamping is arranged on the same structure, thereby improving the convenience of operation;
4. the utility model discloses in each the positioning seat adopts the screw rod to carry out axial positioning to corresponding through-hole, has improved the axiality of location, and then has promoted the accuracy of location.
Drawings
FIG. 1 is a schematic structural view of an assembly welding tool for a bucket rod of a large-tonnage excavator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of any one of the clamping devices according to the embodiment of the present invention;
fig. 3 is a schematic structural view of any one of the supporting seat positioning seats in the embodiment of the present invention;
fig. 4 is a schematic structural view of any one of the ear seat positioning seats in the embodiment of the present invention;
fig. 5 is a schematic structural diagram of the embodiment of the present invention in a state of positioning the bucket rod of the large tonnage excavator.
Detailed Description
The welding position frock to the excavator dipper will be installed on head tail formula machine of shifting, and satisfies rigidity and weight requirement, and, the problem that current location frock exists is: or the tooling structure is complicated and the manufacturing process is complicated, or the working requirements can not be met.
The inventor aims at the technical problems, and continuously researches and discovers a technical scheme of an assembly welding tool of a bucket rod of a large-tonnage excavator through analyzing reasons, wherein the assembly welding tool comprises a main body, and a plurality of clamping devices and a plurality of positioning seats, wherein the clamping devices and the positioning seats are arranged on the main body, and the assembly welding tool comprises:
the clamping devices are distributed on the edge of the main body to clamp and position the bucket rod of the large-tonnage excavator;
the positioning seats are arranged corresponding to the through holes of the bucket rod of the large-tonnage excavator, and each positioning seat penetrates through the through hole at the corresponding position to position the bucket rod of the large-tonnage excavator through a pin shaft.
After the technical scheme is adopted, the clamping device and the positioning seat are installed on the main body with a simple structure, simple pin shaft positioning and mechanical clamping positioning are respectively carried out on the bucket rod of the excavator, the coaxiality of positioning the bucket rod of the excavator is further ensured while the tool is simple in structure, easy to process and operate, the purposes of accurate positioning, safety, strong practicability and the like are achieved, and the technical problem existing in the prior art is solved.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Example (b):
as shown in figure 1, the technical scheme of the assembly welding tool for the bucket rod A of the large-tonnage excavator comprises a main body 1, and a plurality of clamping devices and a plurality of positioning seats which are arranged on the main body 1.
As shown in fig. 1, the main body 1 includes a bottom frame and two support plates, and the bottom frame is a rectangular frame body formed by welding channel steel. The two support plates are respectively and fixedly connected to the rectangular frame body and are respectively arranged at two ends of the rectangular frame body in the long side direction to form the front part and the rear part of the main body 1. Specifically, the method comprises the following steps: the supporting plate corresponding to the front part is an I-shaped plate body, and the supporting plate corresponding to the rear part is a square-back plate body.
As shown in fig. 1, the clamping devices 2 are distributed on the edge of the main body to clamp and position the boom a of the large-tonnage excavator, in this embodiment, the number of the clamping devices 2 is 6, and the front part is provided with 2, and the rear part is provided with 4, wherein: the front 2 clamping devices are arranged on the edges of the two sides of the supporting plate in a staggered mode, and the rear 4 clamping devices are respectively arranged at the dead corners of the supporting plate;
as shown in fig. 1 and 2, each of the clamping devices 2 includes a base 2-1, an intermediate base 2-2, and a top base 2-3, which are coaxially arranged, wherein:
the base 2-1 is fixedly connected to a supporting plate at a corresponding position of the main body 1, and the middle base 2-2 is rotatably and adjustably arranged on the base 2-1. The top seat 2-3 is rotatably and adjustably arranged on the middle seat 2-2;
a supporting rod 2-4 extends from the top seat 2-3 to the radial direction, an upper ejector rod 2-5 is longitudinally sleeved at the outer end of the supporting rod 2-4, and a pressing plate 2-6 is installed at the lower end of the upper ejector rod 2-5 to be matched with the main body 2 to clamp and position a bucket rod A of the large-tonnage excavator;
the middle seat 2-2 vertically penetrates through a side ejector rod 2-7, and one end of the side ejector rod 2-7 is provided with a 2-6 pressing plate to be pressed on the side wall of the bucket rod A of the large-tonnage excavator;
specifically, the method comprises the following steps: the base 2-1 comprises a bottom plate and a cylinder vertical to the bottom plate, the middle seat 2-2 and the top seat 2-3 are both cylinders, the middle seat 2-2 is rotatably adjusted and sleeved on the cylinder of the base 2-1, and the top seat 2-3 is rotatably adjusted and sleeved on the upper part of the middle seat 2-2; the outer end of the supporting rod 2-4 on the top seat 2-3 is provided with an installation ring, the axial direction of the installation ring is parallel to the axial direction of the top seat 2-3, and the upper ejector rod 2-5 penetrates through the installation ring along the axial direction of the installation ring;
the upper ejector rod 2-5 is a T-shaped main body, a pressure plate 2-6 on the upper ejector rod 2-5 is arranged at the bottom end of the upper ejector rod, and the pressure plate 2-6 can be installed in a 15-degree adjustable range;
the middle seat 2-2 is provided with a mounting hole along the radial direction, the side ejector rod 2-7 is mounted in the mounting hole, the side ejector rod 2-7 is a rod body with an adjusting handle, and a pressing plate 2-6 is mounted at the end of the rod body;
referring to fig. 5, the side pressure lever 2-7 is rotationally adjusted relative to the base 2-1 through the middle base 2-2 to press against a side plate of the bucket rod a of the large-tonnage excavator, and the upper ejector rod 2-5 is rotationally adjusted relative to the base 2-1 through the top base 2-3 to clamp a cover plate of the bucket rod a of the large-tonnage excavator; the pressing plate 2-6 arranged on the upper ejector rod 2-5 can be adjusted within the range of 15 degrees, so that the shape of the bucket rod A of the large-tonnage excavator is adapted.
As shown in fig. 1 and 3, the positioning seats are arranged corresponding to through holes of a bucket rod a of the large-tonnage excavator, and each positioning seat penetrates through the through hole at the corresponding position to position the bucket rod of the large-tonnage excavator through a pin shaft. The plurality of positioning seats comprise a plurality of supporting seat positioning seats 3 and two lug positioning seats 4; the positioning device further comprises a bottom plate positioning seat 5 and a side plate positioning seat 6, wherein the bottom plate positioning seat 5 and the side plate positioning seat 6 are fixed on the main body 1.
In this embodiment, as shown in fig. 1, the number of the support seat positioning seats 3 is 3, the front portion of the main body 1 is provided with 2 support seat positioning seats 3, which are a front support seat positioning seat 3A and a middle support seat positioning seat 3B, and the rear portion of the main body 1 is provided with one support seat positioning seat 3C, which is a tail support seat positioning seat 3C; the two ear seat positioning seats 4 are an upper ear seat positioning seat 4A and a lower ear seat positioning seat 4B, respectively.
As shown in fig. 3, each of the supporting seat positioning seats 3 includes a fixing base 3-1, a lower circular seat 3-2, a screw rod 3-3 and an upper circular seat 3-4, the fixing base 3-1 is fixed on the main body 1, the upper and lower circular seats 3-4 and 3-2 are respectively screwed on two ends of the screw rod 3-3, and the lower circular seat 3-2 is fixedly connected on the fixing base 3-1; the upper round seat 3-2 and the lower round seat 3-2 are both circular rings with small-diameter convex surfaces, and the two small-diameter convex surfaces are arranged oppositely.
Referring to the drawings 1, 3 and 5, in the practical use process, a fixing base 3-1 provided with a lower round seat 3-2 is fixed on a main body 1, a screw rod provided with a positioning upper round seat 3-4 penetrates through a through hole of a bucket rod A of a large-tonnage excavator and is screwed into a screw hole of the lower round seat 3-2, the upper round seat 3-4 is rotationally adjusted, so that a small-diameter convex surface of the upper round seat 3-4 is pressed against the end of the through hole of the bucket rod A of the large-tonnage excavator, and the small-diameter convex surface of the upper round seat 3-4 ensures the coaxiality of the support seats during splicing welding.
As shown in fig. 4, each ear seat positioning seat 4 comprises a positioning base 4-1, a positioning upper round seat 4-2, a positioning lower round seat 4-3, a supporting block 4-4 and a screw rod 4-5, wherein the positioning base 4-1 is fixed on the main body 1, the positioning upper and lower round seats 4-2 and 4-3 are respectively screwed at two ends of the screw rod 4-5, and the positioning lower round seat 4-3 is fixedly connected on the positioning base 4-1; the supporting block 4-4 is in threaded connection with the screw rod 4-5, is positioned in the middle of the screw rod 4-5 and is respectively matched with the positioning upper circular seat 4-2 and the positioning lower circular seat 4-3 to form a positioning structure; the positioning upper round seat 4-2 and the positioning lower round seat 4-3 are both circular ring bodies with small-diameter convex surfaces, and the two small-diameter convex surfaces are arranged oppositely.
Referring to fig. 1, 4 and 5, in actual use, a positioning base 4-1 provided with a lower positioning round seat 4-3 is fixed on a main body 1, a screw 4-5 provided with an upper positioning round seat 4-2 penetrates through a through hole of an ear seat A of a bucket rod of a large-tonnage excavator and penetrates through a supporting block 4-4 to be screwed into a screw hole of the lower positioning round seat 4-3 for rotation adjustment, so that an upper plate body in the ear seat is clamped between the upper positioning round seat 4-2 and the supporting block 4-4, and a lower plate body in the ear seat is clamped between the supporting block 4-4 and the lower positioning round seat 4-3, and coaxiality is ensured.
As shown in fig. 1 and 5, in a production site, an excavator bucket rod a is horizontally placed on the assembly and welding tool, in a positioning process, a through hole at a support seat position on the excavator bucket rod a needs to correspond to a support seat positioning seat 3, each support seat positioning seat 3 passes through the corresponding through hole to perform accurate positioning of coaxiality, meanwhile, the through holes on the upper and lower lug seats perform accurate positioning of coaxiality by using lug seat positioning seats 4, and then the edge of the excavator bucket rod a is clamped up and down, left and right or front and back by using a plurality of clamping devices 2 which are rotatably adjusted; in addition, the positioning seat on the assembly welding tool is matched with the structure to position the pin shaft, so that the positioning accuracy and integrity are further improved;
through multiple production site practical verification, the large-tonnage excavator bucket rod assembly welding tool is suitable for new products and small-batch production, and achieves the following effects:
1. the manufacture is simple: the same functional component has good universality, and is convenient for quick manufacture and later maintenance and replacement;
2. the operability is good: the cover plate and the side plate of the bucket rod of the excavator can be clamped and positioned at the same time by the same clamping device 2, the structure is simple and reduced, and the operation intensity of workers is reduced;
3. the adjustability is strong: the tool can be used for assembling and welding 42-ton and 45-ton excavator bucket rods only through fine adjustment, and tool input cost and occupied area are saved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make modifications and changes without departing from the spirit and scope of the present invention.

Claims (10)

1. Assembly welding frock of large-tonnage excavator bucket rod, its characterized in that: it includes the main part, and adorns a plurality of clamping device, a plurality of positioning seat on the main part, wherein:
the clamping devices are distributed on the edge of the main body to clamp and position the bucket rod of the large-tonnage excavator;
the positioning seats are arranged corresponding to the through holes of the bucket rod of the large-tonnage excavator, and each positioning seat penetrates through the through hole at the corresponding position to position the bucket rod of the large-tonnage excavator through a pin shaft.
2. The assembly welding tool for the bucket rod of the large-tonnage excavator according to claim 1, which is characterized in that: each clamping device includes coaxial base, middle seat and the footstock that distributes, wherein:
the base is fixedly connected to the main body, the middle seat is rotatably and adjustably mounted on the base, and the top seat is rotatably and adjustably mounted on the middle seat;
a supporting rod extends from the top seat to the radial direction of the top seat, an upper top rod is longitudinally sleeved at the outer end of the supporting rod, and a pressing plate is arranged at the lower end of the upper top rod and is abutted against a cover plate of the bucket rod of the large-tonnage excavator;
the middle seat vertically penetrates through one side ejector rod, and one end of the side ejector rod is provided with a pressing plate to abut against a side plate of the bucket rod of the large-tonnage excavator.
3. The assembly welding tool for the bucket rod of the large-tonnage excavator according to claim 1, which is characterized in that: the plurality of positioning seats comprise a plurality of supporting seat positioning seats and two lug seat positioning seats.
4. The assembly welding tool for the bucket rod of the large-tonnage excavator according to claim 3, characterized in that: each the supporting seat positioning seat includes unable adjustment base, lower round seat, screw rod and goes up the round seat, wherein:
the fixed base is fixed on the main body, the upper and lower round seats are respectively screwed at two ends of the screw rod, and the lower round seat is fixedly connected on the fixed base.
5. The assembly welding tool for the bucket rod of the large-tonnage excavator according to claim 4, characterized in that: the upper circular seat and the lower circular seat are both circular ring bodies with small-diameter convex surfaces, and the two small-diameter convex surfaces are arranged oppositely.
6. The assembly welding tool for the bucket rod of the large-tonnage excavator according to claim 3, characterized in that: each ear seat positioning seat is circle seat, bracer and screw rod under including location base, the location round seat, location, wherein:
the positioning base is fixed on the main body, the positioning upper round seat and the positioning lower round seat are respectively screwed at two ends of the screw rod, and the positioning lower round seat is fixedly connected on the positioning base;
the supporting block is in threaded connection with the screw rod, is located in the middle of the screw rod and is matched with the positioning upper circular seat and the positioning lower circular seat to form a positioning structure.
7. The assembly welding tool for the bucket rod of the large-tonnage excavator according to claim 6, characterized in that: the positioning upper round seat and the positioning lower round seat are both circular ring bodies with small-diameter convex surfaces, and the two small-diameter convex surfaces are arranged oppositely.
8. The assembly welding tool for the bucket rod of the large-tonnage excavator according to claim 3, characterized in that: the plurality of positioning seats further comprise a bottom plate positioning seat and a side plate positioning seat, and the bottom plate positioning seat and the side plate positioning seat are fixed on the main body.
9. The assembly welding tool for the bucket rod of the large-tonnage excavator according to any one of claims 1 to 8, characterized in that: the main part includes chassis and two backup pads, wherein:
the chassis is a rectangular frame body formed by welding channel steel, the two supporting plates are fixedly connected to the rectangular frame body respectively and are arranged at two ends of the rectangular frame body respectively to form the front part and the rear part of the main body.
10. The assembly welding tool for the bucket rod of the large-tonnage excavator according to claim 9, characterized in that: the supporting plate corresponding to the front part is an I-shaped plate body, and the supporting plate corresponding to the rear part is a square-back plate body.
CN202020329744.9U 2020-03-17 2020-03-17 Assembly welding tool for bucket rod of large-tonnage excavator Active CN211728110U (en)

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Application Number Priority Date Filing Date Title
CN202020329744.9U CN211728110U (en) 2020-03-17 2020-03-17 Assembly welding tool for bucket rod of large-tonnage excavator

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Application Number Priority Date Filing Date Title
CN202020329744.9U CN211728110U (en) 2020-03-17 2020-03-17 Assembly welding tool for bucket rod of large-tonnage excavator

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112548467A (en) * 2020-12-22 2021-03-26 广西齐华机械制造有限公司 Tool clamp for welding bucket rod supporting assembly
CN112756898A (en) * 2021-02-05 2021-05-07 宁波市瑞基机械制造有限公司 Grab bucket tool
CN112917080A (en) * 2021-01-22 2021-06-08 福建晋工机械有限公司 Positioning device and positioning method for excavator bucket rod
CN117484065A (en) * 2024-01-02 2024-02-02 库卡工业自动化(昆山)有限公司 Positioning clamping equipment and processing system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112548467A (en) * 2020-12-22 2021-03-26 广西齐华机械制造有限公司 Tool clamp for welding bucket rod supporting assembly
CN112917080A (en) * 2021-01-22 2021-06-08 福建晋工机械有限公司 Positioning device and positioning method for excavator bucket rod
CN112756898A (en) * 2021-02-05 2021-05-07 宁波市瑞基机械制造有限公司 Grab bucket tool
CN117484065A (en) * 2024-01-02 2024-02-02 库卡工业自动化(昆山)有限公司 Positioning clamping equipment and processing system
CN117484065B (en) * 2024-01-02 2024-05-31 库卡工业自动化(昆山)有限公司 Positioning clamping equipment and processing system

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