Combined machining tool for guaranteeing heavy-load shock resistance of movable arm of heavy excavator

Abstract

The utility model discloses a combined machining tool for guaranteeing heavy-load shock resistance of a movable arm of a heavy excavator, which relates to the technical field of production of movable arms of heavy excavators and comprises a base, a front fork positioning seat and a rear seat positioning seat. The movable front fork positioning seat and the movable rear seat positioning seat can be used for assembly production of excavator movable arms of various specifications, and meanwhile, the jacking seat and the adjusting bolt are cooperatively used, so that the machining precision can be improved, the quality of formed products is ensured, the purpose of quick alignment and pressing is achieved, and the production efficiency is improved. Compared with a traditional machining mode, production efficiency is improved, stability is high, and use is convenient; the device is used for clamping the whole movable arm, and the size position relation between parts at all machining positions of the movable arm is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of heavy excavator boom production, in particular to a composite processing tooling for ensuring the heavy-duty excavator boom is shockproof under heavy load. Background Art

[0002] In the structure of the excavator, the boom is used to connect the body and the boom and has a large span. Therefore, during operation, the entire boom is subjected to tensile and shear forces and is more likely to be torn. Therefore, high processing accuracy is required for the boom, and defects in the plate and processing dimensions are not allowed.

[0003] In the prior art, due to the wide product span and various models, it is necessary to process according to different models. Since the boom has multiple processing holes with low coaxiality and parallelism, interference and workpiece telescopic jamming will occur during the overall assembly, resulting in two major defects in the excavator boom processing: on the one hand, the parallelism of the boom's processing holes is poor, and on the other hand, the boom's processing dimensional accuracy is insufficient, which will directly affect the subsequent assembly of the boom and the use of the product; and the traditional processing mode has low processing accuracy and relatively low production efficiency, and also cannot ensure the quality of the molded product. Utility Model Content

[0004] The purpose of the utility model is to provide a composite processing tooling for ensuring the heavy-duty excavator boom's heavy-load shockproof performance, so as to solve the problems of low precision, low production efficiency, low quality of molded products and assembly interference in the traditional processing mode in the production of heavy-duty excavator booms in the prior art proposed in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite processing tooling for ensuring the heavy-duty excavator boom is shockproof under heavy load, comprising a base, and a front fork positioning seat is arranged at the left end of the horizontal center line of the top surface, and a rear seat positioning seat is arranged at the right end; the front fork positioning seat comprises a front fork positioning bottom plate, and a concave front fork positioning vertical plate is arranged on the top surface thereof opposite to each other, and a front fork rear vertical plate is arranged between the two front fork positioning vertical plates at their left ends; two front fork rib plates are arranged between the front fork rear vertical plate and the top surface of the base, and the two front fork rib plates are symmetrically arranged on the vertical plane where the horizontal center line of the base is located, and a front fork support bolt is arranged on the top surface of each front fork rib plate, A screw is arranged on the top surface of the front fork rear vertical plate at the positions corresponding to the two front fork supporting bolts, and a front fork long pressure plate is sleeved on the screw and locked with a nut, the left end of the front fork long pressure plate is overlapped on the front fork supporting bolt, the right end is bent to the lower right and a front fork auxiliary clamping column is arranged at the end; two front fork top screws are arranged on the right side surface of the front fork rear vertical plate at the middle of its vertical height at the positions corresponding to the two front fork rib plates; a screw is arranged on the top surfaces of both sides of the middle notch of the two front fork positioning vertical plates, a front fork short pressure plate is arranged between the two screws on the same front fork positioning vertical plate and locked with a nut, a front fork positioning pin is arranged in the notch below the front fork short pressure plate, and the two A front fork positioning base is arranged between the front fork positioning uprights on the top surface of the base near the front side; the rear seat positioning seat includes a rear seat positioning bottom plate, and on the top surface thereof, rear seat positioning uprights with a semicircular notch at the center of the top surface are arranged opposite to each other in front and back, and a rear seat rear upright plate is arranged between the two rear seat positioning uprights at their right ends; two rear seat rib plates are arranged between the rear seat rear uprights and the top surface of the base, the two rear seat rib plates are symmetrically arranged in the vertical plane where the transverse center line of the base is located, and a rear seat support bolt is arranged on the top surface of each rear seat rib plate, a screw rod is arranged on the top surface of the rear seat rear upright plate at the position corresponding to the two rear seat support bolts, and a rear seat long pressure plate is sleeved on the screw rod And it is locked with a nut, the right end of the rear seat long pressure plate overlaps the rear seat support bolt, the left end is bent to the lower left and a rear seat auxiliary clamping column is arranged at the end; two rear seat top screws are arranged on the left side of the rear vertical plate of the rear seat at the middle of its vertical height at the positions corresponding to the two rear seat rib plates; a screw is arranged on the top surfaces on both sides of the middle notch of the two rear seat positioning vertical plates, and a rear seat short pressure plate is arranged between the two screws on the same rear seat positioning vertical plate and locked with a nut; a semicircular positioning plate coaxial with the semicircular notch and with a larger radius is arranged on the front side of the vertical plate close to the rear side of the two rear seat positioning vertical plates, and a rear seat positioning pin is arranged below the rear seat short pressure plate through the two semicircular notches.

[0006] Furthermore, two front fork tightening seats are arranged on the right side of the two front fork positioning vertical plates on the top surface of the front fork positioning base plate, and a horizontal tightening nut is arranged on the top surface of each front fork tightening seat, and an adjustment screw is arranged in each tightening nut, and the two adjustment screws are arranged coaxially.

[0007] Furthermore, two rear seat tightening seats are arranged on the top surface of the rear seat positioning bottom plate on the left side of the two rear seat positioning vertical plates, and a horizontal tightening nut is arranged on the top surface of each rear seat tightening seat, and an adjusting screw is arranged in each tightening nut, and the two adjusting screws form an angle of thirty degrees with the vertical plane where the transverse center line of the base is located, and are inclined to the left side.

[0008] Preferably, the base is made entirely of thickened steel plates, and a plurality of transverse fixing and mounting grooves are evenly arranged on the top surface thereof, and the cross-section of each fixing and mounting groove is a hollow convex cross-section.

[0009] Preferably, the front fork positioning base plate and the rear seat positioning base plate have the same structure and specifications, and are provided with a plurality of fixing notches on both left and right side edges thereof, and the spacing between the plurality of fixing notches is equal to the spacing between the plurality of fixing installation grooves.

[0010] Preferably, the front fork positioning base plate and the rear seat positioning base plate are fixed to the base by bolts and are movable.

[0011] Preferably, an excavator boom is positioned and arranged by the front fork positioning seat and the rear seat positioning seat.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The movable front fork positioning seat and the rear seat positioning seat of the utility model can be used for the assembly production of excavator booms of various specifications. At the same time, the tightening seat and the adjusting bolt are used in coordination, so as to improve the processing accuracy, ensure the quality of the formed product, and achieve the purpose of rapid alignment and tightening. Compared with the traditional processing mode, it has improved production efficiency, high stability and convenient use; the device is used to clamp the boom as a whole, which effectively ensures the dimensional position relationship between the parts at each processing position of the boom; the heavy-duty excavator boom produced by the assembly of the utility model can ensure the advantages of heavy load and shock resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the axonometric drawing of the utility model;

[0015] Figure 2 for Figure 1 Structural diagram;

[0016] Figure 3 for Figure 3A magnified view of middle;

[0017] Figure 4 for Figure 3 Enlarged view of middle B;

[0018] In the figure: base 1, fixed installation groove 11, front fork positioning seat 2, front fork positioning bottom plate 201, front fork positioning vertical plate 202, front fork rear vertical plate 203, front fork rib plate 204, front fork support bolt 205, front fork long pressure plate 206, front fork auxiliary clamping column 207, front fork top screw 208, front fork short pressure plate 209, front fork positioning pin 210, front fork positioning base 211, front fork top clamping seat 212 , tightening nut -213, adjusting screw -214, fixing notch -215, rear seat positioning seat -3, rear seat positioning base plate -301, rear seat positioning vertical plate -302, rear seat rear vertical plate -303, two rear seat ribs -304, rear seat support bolts -305, rear seat long pressure plate -306, rear seat top screw -308, rear seat short pressure plate -309, semicircular positioning plate -310, rear seat positioning pin -311, rear seat tightening seat -312. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution in the embodiments of the present utility model is clearly and completely described below in conjunction with the accompanying drawings and specific embodiments.

[0020] Please refer to Figure 1-4 , Figure 1 This is the axonometric drawing of the utility model; Figure 2 for Figure 1 Structural diagram; Figure 3 for Figure 3 A magnified view of middle; Figure 4 for Figure 3 Enlarged view of B.

[0021] The utility model provides a composite processing tooling for ensuring the heavy-duty excavator boom is anti-vibration under heavy load, comprising a horizontally arranged base 1, a front fork positioning seat 2 is arranged at the left end of the transverse center line of the top surface of the base 1, and a rear seat positioning seat 3 is arranged at the right end, and the excavator boom is positioned and arranged by the front fork positioning seat 2 and the rear seat positioning seat 3.

[0022] The base 1 is made of a thickened steel plate so that it has sufficient flatness and can be directly used as a reference surface for the overall processing tooling. A plurality of transverse fixing grooves 11 are evenly arranged on the top surface of the base 1. The cross-section of each fixing groove 11 is a hollow convex cross-section so that the front fork positioning seat 2 and the rear seat positioning seat 3 can be locked and fixed by bolts.

[0023] The front fork positioning seat 2 includes a front fork positioning base plate 201 arranged on the base 1, and a concave front fork positioning vertical plate 202 is arranged on the top surface of the front fork positioning base plate 201, and a front fork rear vertical plate 203 is commonly arranged at the left end between the two front fork positioning vertical plates 202; two front fork rib plates 204 are commonly arranged between the front fork rear vertical plate 203 and the top surface of the base 1, and the two front fork rib plates 204 are symmetrically arranged in the vertical plane where the transverse center line of the base 1 is located, and a front fork support bolt 205 is arranged on the top surface of each front fork rib plate 204, and a screw rod is arranged on the top surface of the front fork rear vertical plate 203 at the position corresponding to the two front fork support bolts 205, and a front fork long pressure plate 206 is sleeved on the screw rod and locked with a nut, the The left end of the long front fork pressure plate 206 is overlapped on the front fork support bolt 205, the right end is bent to the lower right and a front fork auxiliary clamping column 207 is arranged at the end; two front fork top screws 208 are arranged on the right side of the front fork rear vertical plate 203 at the middle of its vertical height at the corresponding positions of the two front fork ribs 204; a screw is arranged on the top surfaces of both sides of the middle notch of the two front fork positioning vertical plates 202, and a front fork short pressure plate 209 is arranged between the two screws on the same front fork positioning vertical plate 202 and locked with a nut, and a front fork positioning pin 210 is arranged in the notch below the front fork short pressure plate 209, which is used to fix the front fork of the excavator boom for use; a front fork positioning base 211 is also arranged between the two front fork positioning vertical plates 202 on the top surface of the base 1 near the front side.

[0024] On the right side of the two front fork positioning vertical plates 202, two front fork tightening seats 212 are arranged front and back on the top surface of the front fork positioning base plate 201, and a horizontal tightening nut 213 is arranged on the top surface of each front fork tightening seat 212, and an adjusting screw 214 is arranged in each tightening nut 213, and the two adjusting screws 214 are arranged coaxially.

[0025] The rear seat positioning seat 3 includes a rear seat positioning bottom plate 301 arranged on the base 1, and a rear seat positioning vertical plate 302 with a semicircular notch at the center of the top surface is arranged on the top surface of the rear seat positioning bottom plate 301, and a rear seat rear vertical plate 303 is commonly arranged at the right end between the two rear seat positioning vertical plates 302; two rear seat rib plates 304 are commonly arranged between the rear seat rear vertical plate 303 and the top surface of the base 1, and the two rear seat rib plates 304 are symmetrically arranged in the vertical plane where the transverse center line of the base 1 is located, and a rear seat support bolt 305 is arranged on the top surface of each rear seat rib plate 304, and a screw rod is arranged on the top surface of the rear seat rear vertical plate 303 at the position corresponding to the two rear seat support bolts 305, and a rear seat long pressure plate 306 is sleeved on the screw and screwed using the screw The rear seat is locked with a nut, the right end of the long pressure plate 306 of the rear seat overlaps the rear seat support bolt 305, the left end is bent to the lower left and a rear seat auxiliary clamping column 307 is arranged at the end; two rear seat top screws 308 are arranged on the left side of the rear seat rear vertical plate 303 at the middle of its vertical height at the corresponding positions of the two rear seat rib plates 304; a screw is arranged on the top surface of both sides of the middle notch of the two rear seat positioning vertical plates 302, and a rear seat short pressure plate 309 is arranged between the two screws on the same rear seat positioning vertical plate 302 and locked with a nut; a semicircular positioning plate 310 coaxial with the semicircular notch and with a larger radius is arranged on the front side of the vertical plate close to the rear side of the two rear seat positioning vertical plates 302, and a rear seat positioning pin 311 is arranged below the rear seat short pressure plate 309 through the two semicircular notches.

[0026] Two rear seat tightening seats 312 are arranged on the top surface of the rear seat positioning bottom plate 301 on the left side of the two rear seat positioning upright plates 302, and a horizontal tightening nut 213 is arranged on the top surface of each rear seat tightening seat 312, and an adjusting screw 214 is arranged in each tightening nut 213, and the two adjusting screws 214 form an angle of thirty degrees with the vertical plane where the horizontal center line of the base 1 is located, and are inclined to the left side.

[0027] The front fork positioning base plate 201 and the rear seat positioning base plate 301 have the same structure and specifications, and are provided with a plurality of fixing notches 215 on both left and right sides thereof, and the spacing between the plurality of fixing notches 215 is equal to the spacing between the plurality of fixing mounting grooves 11, so that the front fork positioning base plate 201 and the rear seat positioning base plate 301 can be fixed to the base 1 with bolts and can be moved.

[0028] The movable front fork positioning seat and rear seat positioning seat of the utility model can be used for the assembly production of excavator booms of various specifications. At the same time, the tightening seat and the adjusting bolt are used in coordination, so as to improve the processing accuracy, ensure the quality of the formed product, and achieve the purpose of rapid alignment and tightening. Compared with the traditional processing mode, it has improved production efficiency, high stability and convenient use. The device is used to clamp the entire boom, which effectively ensures the dimensional position relationship between the parts at each processing position of the boom.

[0029] Although the embodiments of the utility model have been shown and described, it is obvious that the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, it can be understood by ordinary technicians in this field that all other embodiments obtained by making various changes, modifications, substitutions and variations to these embodiments without departing from the principle and spirit of the utility model and without making creative work, all belong to the scope of protection of the utility model.

Claims

1. A composite processing tool for ensuring heavy-duty excavator boom heavy load shockproof, characterized by: The invention comprises a base (1), and a front fork positioning seat (2) is arranged at the left end of the transverse center line of the top surface thereof, and a rear seat positioning seat (3) is arranged at the right end; the front fork positioning seat (2) comprises a front fork positioning bottom plate (201), and a concave front fork positioning vertical plate (202) is arranged on the top surface thereof in front and back, and a front fork rear vertical plate (203) is arranged between the two front fork positioning vertical plates (202) at their left ends; two front fork rib plates (204) are arranged between the front fork rear vertical plate (203) and the top surface of the base (1), and the two front fork rib plates (204) are symmetrically arranged on the vertical plane where the transverse center line of the base (1) is located, and a front fork support bolt (205) is arranged on the top surface of each front fork rib plate (204), A screw rod is arranged on the top surface of the front fork rear vertical plate (203) at the position corresponding to the two front fork support bolts (205), and a front fork long pressure plate (206) is sleeved on the screw rod and locked with a nut, the left end of the front fork long pressure plate (206) overlaps the front fork support bolt (205), the right end is bent to the lower right, and a front fork auxiliary pressure column (207) is arranged at the end; two front fork top screws (208) are arranged on the right side surface of the front fork rear vertical plate (203) at the middle of its vertical height at the position corresponding to the two front fork rib plates (204); a screw rod is arranged on the top surface of both sides of the middle notch of the two front fork positioning vertical plates (202), and a common screw rod is arranged between the two screws on the same front fork positioning vertical plate (202). A front fork short pressure plate (209) is locked with a nut, a front fork positioning pin (210) is arranged in the notch below the front fork short pressure plate (209), and a front fork positioning base (211) is arranged between the two front fork positioning vertical plates (202) on the top surface of the base (1) near the front side; the rear seat positioning seat (3) includes a rear seat positioning bottom plate (301), and a rear seat positioning vertical plate (302) with a semicircular notch at the center of the top surface is arranged on the top surface of the rear seat positioning vertical plate (302) in front and back, and a rear seat rear vertical plate (303) is arranged between the two rear seat positioning vertical plates (302) at their right ends; two rear seat rib plates (304) are arranged between the rear seat rear vertical plate (303) and the top surface of the base (1), and the two rear seat rib plates (304) are arranged with the rear seat rib plates (304) The base (1) is symmetrically arranged in a vertical plane where the transverse center line is located, and a rear seat support bolt (305) is arranged on the top surface of each rear seat rib plate (304), a screw rod is arranged on the top surface of the rear seat rear upright plate (303) at positions corresponding to the two rear seat support bolts (305), and a rear seat long pressure plate (306) is sleeved on the screw rod and locked with a nut, the right end of the rear seat long pressure plate (306) overlaps the rear seat support bolt (305), the left end is bent to the lower left, and a rear seat auxiliary clamping column (307) is arranged at the end; two rear seat top screws (308) are arranged on the left side of the rear seat rear upright plate (303) at the middle of its vertical height at positions corresponding to the two rear seat rib plates (304);A screw rod is provided on the top surface of both sides of the middle notch of the two rear seat positioning vertical plates (302), and a rear seat short pressure plate (309) is provided between the two screw rods on the same rear seat positioning vertical plate (302) and is locked with a nut; a semicircular positioning plate (310) coaxial with the semicircular notch and with a larger radius is provided on the front side of the vertical plate close to the rear side of the two rear seat positioning vertical plates (302), and a rear seat positioning pin (311) is provided below the rear seat short pressure plate (309) through the two semicircular notches. ; 2. The composite processing tool for ensuring heavy-duty excavator boom heavy-load shockproof according to claim 1 is characterized in that: Two front fork tightening seats (212) are arranged on the right side of the two front fork positioning upright plates (202) on the top surface of the front fork positioning bottom plate (201) in a front-to-back manner, and a horizontal tightening nut (213) is arranged on the top surface of each front fork tightening seat (212), and an adjusting screw rod (214) is arranged in each tightening nut (213), and the two adjusting screw rods (214) are arranged coaxially.

3. The composite processing tool for ensuring heavy-duty excavator boom heavy-load shockproof according to claim 2 is characterized in that: Two rear seat tightening seats (312) are arranged on the top surface of the rear seat positioning bottom plate (301) on the left side of the two rear seat positioning upright plates (302), and a horizontal tightening nut (213) is arranged on the top surface of each rear seat tightening seat (312), and an adjusting screw (214) is arranged in each tightening nut (213), and the two adjusting screws (214) form an angle of thirty degrees with the vertical plane where the horizontal center line of the base (1) is located, and are inclined to the left side.

4. The composite processing tool for ensuring heavy-duty excavator boom heavy-load shockproof according to claim 3 is characterized in that: The base (1) is made of thickened steel plate as a whole, and a plurality of transverse fixing grooves (11) are evenly arranged on its top surface, and the cross section of each fixing groove (11) is a hollow convex cross section.

5. The composite processing tool for ensuring heavy-duty excavator boom heavy-load shockproof according to claim 4 is characterized in that: The front fork positioning base plate (201) and the rear seat positioning base plate (301) have the same structure and specifications, and are provided with a plurality of fixing notches (215) on both left and right sides thereof, and the spacing between the plurality of fixing notches (215) is equal to the spacing between the plurality of fixing installation grooves (11).

6. The composite processing tool for ensuring heavy-duty excavator boom heavy-duty load shockproof according to claim 5, characterized in that: The front fork positioning base plate (201) and the rear seat positioning base plate (301) are fixed to the base (1) by bolts and are movable.

7. The composite processing tool for ensuring heavy-duty excavator boom heavy-load shockproof according to any one of claims 1 to 6, characterized in that: An excavator boom is positioned and arranged together by the front fork positioning seat (2) and the rear seat positioning seat (3).

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