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CN-224223132-U - Clamping and positioning tool for assembling connecting rod of excavator

CN224223132UCN 224223132 UCN224223132 UCN 224223132UCN-224223132-U

Abstract

The utility model provides a clamping and positioning tool for assembling an excavator connecting rod, and relates to the technical field of assembling and positioning of excavator connecting rods; according to the utility model, three pipes, the transverse plates, the vertical plates, the arc plates and the single pipes in the connecting rod component parts of the excavator can be respectively clamped and positioned in sequence, the parts are tightly attached after the positioning is finished, meanwhile, the three pipes and the single pipes can be prevented from rolling in the subsequent welding process, the positions of the parts are firm and cannot deviate after the splicing and positioning are finished, the connecting rod splicing and positioning tool effect of the excavator is good, the unloading process after the subsequent welding is finished is more convenient, and the splicing and positioning process of the connecting rod of the excavator is optimized.

Inventors

  • Gao Zhuxue
  • PANG HAIZHEN

Assignees

  • 山东硕诚机械有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (10)

  1. 1. The clamping and positioning tool for assembling the connecting rod of the excavator is characterized by comprising a mounting frame (1), a three-section pipe supporting frame (2), a first overturning frame (3), a three-section pipe clamping and positioning assembly (4), a three-section pipe rolling-preventing assembly (5), a transverse plate heightening roller (6), a vertical plate heightening seat (7), a transverse and vertical plate clamping and positioning assembly (8), an arc plate heightening seat (9), a single-section pipe supporting frame (10), a single-section pipe clamping and positioning assembly (11), a translation assembly (12), a second overturning frame (13) and a single-section pipe rolling-preventing assembly (14), The three-section tube supporting frame (2), the first roll-over stand (3) and the three-section tube clamping and positioning assembly (4) are arranged on the mounting frame (1); The three-section pipe rolling-preventing assembly (5) is arranged on the first roll-over stand (3) and is matched with a first oil injection hole formed in the three-section pipe; the transverse plate heightening rollers (6), the vertical plate heightening seats (7) and the transverse plate clamping and positioning assemblies (8) are all arranged on the mounting frame (1) so as to enable the vertical plate and the transverse plate to be tightly spliced and attached after the positions of the vertical plate and the transverse plate are limited; the arc plate heightening seat (9) and the two single-section pipe supporting frames (10) are arranged on the mounting frame (1); The two groups of single-section pipe clamping and positioning assemblies (11) and the translation assembly (12) are arranged on the mounting frame (1), and one group of single-section pipe clamping and positioning assemblies (11) is connected with the translation assembly (12) so as to enable the welded connecting rod to be integrally stripped; The two second roll-over frames (13) are arranged on the mounting frame (1), and the single-section pipe rolling prevention assemblies (14) are arranged on the second roll-over frames (13) so that after the two single-section pipes are limited through the single-section pipe clamping and positioning assemblies (11), the two groups of single-section pipe rolling assemblies are respectively inserted into the second oil filling holes of the two single-section pipes.
  2. 2. The clamping and positioning tool for assembling the connecting rod of the excavator according to claim 1, wherein the three-section pipe clamping and positioning assembly (4) comprises a limiting plate (41), a fixed seat (42), a first screw (43), a rotary rod and a jacking block (44), The limiting plate (41) and the fixing seat (42) are fixedly arranged on the mounting frame (1); The first screw rod (43) is in threaded connection with the fixing seat (42), a rotating rod is arranged at one end of the first screw rod (43), and a propping block (44) with a circular main body shape is arranged at the other end of the first screw rod (43).
  3. 3. The clamping and positioning tool for assembling the connecting rod of the excavator according to claim 1, wherein the three-section pipe rolling prevention assembly (5) comprises a mounting plate (51), a shell (52), a T-shaped groove (521), a pull roller (53), a fixing disc (54), a spring, an inserting roller (55) and a clamping roller (56), The mounting plate (51) is fixedly arranged on the first turnover frame (3), and the housing (52) is fixedly arranged on the mounting plate (51); The T-shaped groove (521) is arranged on the shell (52); the pulling roller (53) is in sliding fit with the shell (52), and a fixed disc (54) is fixedly arranged at one end of the pulling roller (53); A spring sleeved outside the pull roller (53) is fixedly arranged between the inner wall of the shell (52) and the fixed disc (54); One end of the inserting roller (55) is fixedly connected with the fixed disc (54), and the other end of the inserting roller (55) passes through a through hole formed in the mounting plate (51) to be matched with the first oil filling hole; The clamping roller (56) is fixedly arranged on the inserting roller (55) and moves along the T-shaped groove (521) so that the tail end of the inserting roller (55) is inserted into the first oil filling hole when the clamping roller (56) is positioned in the vertical groove of the T-shaped groove (521), and the tail end of the inserting roller (55) is separated from the first oil filling hole when the clamping roller (56) is positioned in the horizontal groove of the T-shaped groove (521).
  4. 4. The clamping and positioning tool for assembling the connecting rod of the excavator according to claim 1, wherein the transverse and vertical plate clamping and positioning assembly (8) comprises a fixed plate (81), a screw rod assembly (82) and a movable plate (83), The fixing plate (81) is fixedly arranged on the mounting frame (1); The screw rod assembly (82) is fixedly arranged on the mounting frame (1), and the screw rod assembly (82) is connected with a movable plate (83) which is leveled with the top end of the fixed plate (81).
  5. 5. The clamping and positioning tool for assembling the connecting rod of the excavator according to claim 1, wherein the single-section pipe clamping and positioning assembly (11) comprises a connecting frame (111), a first contact circular plate (112), a second contact circular plate (113), a boss (114) and a second screw (115), The first contact circular plate (112) is fixedly arranged on the connecting frame (111), and a boss (114) which is attached to the inner wall of one side of the single-section pipe is fixedly arranged on the first contact circular plate (112); A boss (114) which is attached to the inner wall of the other side of the single-section pipe is also fixedly arranged on the second contact circular plate (113); The second screw rod (115) sequentially passes through the connecting frame (111), the first contact circular plate (112), a boss (114) on the first contact circular plate (112), the boss (114) on the second contact circular plate (113) and the second contact circular plate (113), and the second screw rod (115) is in threaded connection with the inside of the second contact circular plate (113).
  6. 6. The clamping and positioning tool for assembling the connecting rod of the excavator according to claim 5, wherein the translation assembly (12) is a screw assembly, the translation assembly (12) is fixedly connected with the connecting frame (111) in one group of single-section pipe clamping and positioning assemblies (11), and the connecting frame (111) in the other group of single-section pipe clamping and positioning assemblies (11) is fixedly connected with the mounting frame (1).
  7. 7. The clamping and positioning tool for assembling the connecting rod of the excavator according to claim 3, wherein the second overturning frame (13) and the first overturning frame (3) are identical in structure, the first overturning frame (3) comprises a mounting seat (31) and an overturning rod (32), the mounting seat (31) is fixedly arranged on the mounting frame (1) and is rotationally connected with the overturning rod (32) on the mounting seat (31), and the overturning rod (32) is fixedly provided with a mounting plate (51) in the three-section-tube anti-rolling assembly (5).
  8. 8. The clamping and positioning tool for assembling the connecting rod of the excavator according to claim 1, wherein the structure of the single-section pipe rolling prevention assembly (14) is completely identical to the structure of the three-section pipe rolling prevention assembly (5).
  9. 9. The clamping and positioning tool for assembling the connecting rod of the excavator according to claim 1, wherein the main body of the three-section pipe supporting frame (2) and the single-section pipe supporting frame (10) is of a V shape, and wear-resisting blocks (21) are symmetrically arranged on the three-section pipe supporting frame (2) and the single-section pipe supporting frame (10).
  10. 10. The clamping and positioning tool for assembling the excavator connecting rod according to claim 1 is characterized in that hanging rings (15) are respectively arranged at four corners of the mounting frame (1).

Description

Clamping and positioning tool for assembling connecting rod of excavator Technical Field The utility model relates to the technical field of assembling and positioning of excavator connecting rods, in particular to a clamping and positioning tool for assembling the excavator connecting rods. Background The connecting rod and the rocker arm of the excavator form a four-bar mechanism together through a hinge point, wherein the rocker arm (or the rocker arm) is used as a driving part and is connected with the connecting rod through a pin shaft. When the hydraulic cylinder pushes the rocker arm to rotate, the connecting rod converts the swing of the rocker arm into accurate angle change or stroke amplification of the bucket. The excavator connecting rod comprises a three-section pipe, a transverse plate, two vertical plates, an arc plate and two single-section pipes (as shown in an attached drawing 2 of the specification), wherein the two sides of the vertical plate are respectively provided with a first arc groove attached to the surfaces of the three-section pipe and the single-section pipe, the transverse plate is provided with a second arc groove attached to the surfaces of the arc plate, the arc plate is symmetrically provided with a third arc groove attached to the surfaces of the two single-section pipes, simultaneously the three-section pipe and the single-section pipe are respectively provided with an oil filling hole communicated with the inside of the three-section pipe, the transverse plate, the vertical plate, the arc plate and the single-section pipe, the three-section pipe, the transverse plate, the vertical plate, the arc plate and the single-section pipe are welded into an integral structure, the positions among all the parts are assembled and limited before welding, and the tooling for assembling all the parts of the connecting rod is lacking. Disclosure of utility model The utility model aims to solve the problems in the background art, and further provides a clamping and positioning tool for assembling the connecting rod of the excavator. The technical scheme adopted for solving the technical problems is as follows: The clamping and positioning tool for assembling the excavator connecting rod comprises a mounting frame, a three-section pipe supporting frame, a first roll-over stand, a three-section pipe clamping and positioning assembly, a three-section pipe rolling prevention assembly, a transverse plate heightening roller, a vertical plate heightening seat, a transverse plate clamping and positioning assembly, an arc plate heightening seat, a single-section pipe supporting frame, a single-section pipe clamping and positioning assembly, a translation assembly, a second roll-over stand and a single-section pipe rolling prevention assembly, The three-section pipe supporting frame, the first roll-over stand and the three-section pipe clamping and positioning assembly are all arranged on the mounting frame; The three-section pipe rolling-preventing assembly is arranged on the first roll-over stand and is matched with a first oil injection hole formed in the three-section pipe; The transverse plate heightening rollers, the vertical plate heightening seats and the transverse and vertical plate clamping and positioning assemblies are all arranged on the mounting frame so as to enable the transverse plate heightening rollers, the vertical plate heightening seats and the transverse plate clamping and positioning assemblies to be tightly spliced and attached after the positions of the vertical plate and the transverse plate are limited; The arc plate heightening seat and the two single-section pipe supporting frames are arranged on the mounting frame; The two groups of single-section pipe clamping and positioning assemblies and the translation assembly are arranged on the mounting frame, and one group of single-section pipe clamping and positioning assemblies is connected with the translation assembly so as to enable the welded connecting rod to be integrally stripped; The two second roll-over frames are arranged on the mounting frame, and the single-section pipe rolling prevention assembly is arranged on the second roll-over frames so that the two groups of single-section pipe rolling assemblies are respectively inserted into the second oil filling holes of the two single-section pipes after the two single-section pipes are limited through the single-section pipe clamping and positioning assembly respectively. Further, the three-section pipe clamping and positioning assembly comprises a limiting plate, a fixed seat, a first screw rod, a rotary rod and a jacking block, The limiting plate and the fixing seat are fixedly arranged on the mounting frame; The first screw rod is in threaded connection with the fixing base, a rotating rod is arranged at one end of the first screw rod, and a propping block with a circular main body is arranged at the other end of the first screw rod. Further, the three-secti