Excavator counterweight plate welding tool

Abstract

The utility model belongs to the field of welding tools, and particularly relates to an excavator balance weight plate welding tool which comprises a U-shaped base, two stand columns are fixedly installed on the top of the U-shaped base, a driving groove is formed in one side of each stand column, a driving seat is installed in each driving groove in a sliding mode, and the same threaded rod is rotatably installed on the inner wall of the top and the inner wall of the bottom of each driving groove. The same U-shaped lifting plate is fixedly mounted on the sides, close to each other, of the two driving seats, rotating shafts are rotationally mounted on the inner walls of the two sides of the U-shaped lifting plate, the same counterweight plate placing table is fixedly mounted at the ends, close to each other, of the two rotating shafts, and a pressing mechanism used for being fixed to a counterweight plate is arranged on the counterweight plate placing table; and a rotating gear is fixedly mounted on the rotating shaft. The balance weight plate welding device is reasonable in design, the height and the placing angle of a balance weight plate can be adjusted according to needs through the cooperation of the U-shaped lifting plate and the balance weight plate placing table, and therefore the purpose that the balance weight plate is conveniently welded to an excavator is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding frock technical field especially relates to a excavator counterweight plate welding frock. BACKGROUND

[0002] The excavator is also called excavating machine, and is also called earthmoving machine, which is a kind of earthmoving machine for excavating materials above or below the support surface into transport vehicles or unloading into a stockyard. The excavated materials are mainly soil, coal, sand and soil and rock after pre-loosening. From the development of engineering machinery in recent years, the development of excavators is relatively fast, and the excavator has become one of the most important engineering machinery in engineering construction.

[0003] Because the counterweight plate on the excavator is large in size, the clamping frock of the counterweight plate is generally complex in structure, after welding, it is difficult to quickly disassemble the counterweight plate, and the counterweight plate is generally square or vertically placed, so it is not convenient to turn over or adjust the angle of the counterweight plate during welding, therefore, the excavator counterweight plate welding frock is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides an excavator counterweight plate welding frock.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An excavator counterweight plate welding frock, comprising a U-shaped base, two upright columns are fixedly installed at the top of the U-shaped base, a drive slot is formed in one side of the upright column, a drive seat is slidably installed in the drive slot, and a same threaded rod is rotatably installed on the inner wall at the top and bottom of the drive slot;

[0007] A same U-shaped lifting plate is fixedly installed on one side of the two drive seats close to each other, a rotating shaft is rotatably installed on the inner wall of the two sides of the U-shaped lifting plate, a same counterweight plate placing table is fixedly installed on the end of the two rotating shafts close to each other, and a pressing mechanism for fixing the counterweight plate is arranged on the counterweight plate placing table;

[0008] A rotating gear is fixedly installed on the rotating shaft, a moving plate is slidably installed on the inner wall of the two sides of the U-shaped lifting plate, a straight toothed rack is fixedly installed on the top of the moving plate, and the straight toothed rack is engaged with the rotating gear.

[0009] Preferably, the pressing mechanism comprises an L-shaped frame, a hydraulic cylinder one and a pressing plate, the L-shaped frame is fixedly installed on the top of the counterweight plate placing table, the hydraulic cylinder one is fixedly installed on the top of the L-shaped frame, and the pressing plate is fixedly installed on the output shaft of the hydraulic cylinder one.

[0010] Preferably, the two side inner walls of the U-shaped lifting plate are provided with T-shaped grooves, and one side of the moving plate is fixedly provided with a T-shaped seat in sliding connection with the corresponding T-shaped groove.

[0011] Preferably, the rear side of the U-shaped lifting plate is fixedly provided with a shell, and the shell is provided with a driving mechanism connected with the moving plate.

[0012] Preferably, the driving mechanism comprises a second hydraulic cylinder, a driving plate and driving rods, the second hydraulic cylinder is fixedly arranged on the rear side of the shell, the driving plate is slidingly arranged in the shell, the output shaft of the second hydraulic cylinder is fixedly connected with the driving plate, two driving rods are fixedly arranged on the front side of the driving plate, and the driving rods are fixedly connected with the moving plate.

[0013] Preferably, the top of each of the two upright columns is fixedly provided with a control box, the two side inner walls of the control box are rotatably provided with transmission shafts, one side of the control box is fixedly provided with a stepping motor, the output shaft of the stepping motor is fixedly connected with the transmission shafts, and transmission mechanisms are arranged between the transmission shafts and the threaded rods.

[0014] Preferably, the two transmission mechanisms comprise driving bevel gears and driven bevel gears, the driving bevel gears are fixedly arranged on the transmission shafts, and the driven bevel gears are fixedly arranged on the top ends of the threaded rods.

[0015] The utility model discloses a beneficial effect:

[0016] 1, when excavator counterweight plate is placed to counterweight plate placing table, through starting hydraulic cylinder no.

[0017] 2, through starting stepping motor, stepping motor can drive transmission shaft to rotate, through the cooperation of driving bevel gear and driven bevel gear, transmission shaft can drive two threaded rods to rotate, and the rotation of threaded rod can drive drive seat, U-shaped lifting plate and counterweight plate placing table to move, and counterweight plate placing table can drive counterweight plate to adjust height according to the need.

[0018] 3, through starting hydraulic cylinder no. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a kind of excavator counterweight plate welding tool's three-dimensional structure schematic diagram that the utility model proposes.

[0020] Figure 2 A front view cross-sectional perspective structure schematic view of a excavator counterweight plate welding tool is provided for the utility model;

[0021] Figure 3 A part structure schematic view of a excavator counterweight plate welding tool is provided for the utility model;

[0022] Figure 4 A plan view cross-sectional perspective structure schematic view of a excavator counterweight plate welding tool is provided for the utility model.

[0023] In the drawing: 1, U-shaped base; 2, stand; 3, control box; 401, drive groove; 402, drive seat; 403, threaded rod; 404, U-shaped lifting plate; 501, rotating shaft; 502, counterweight plate placing table; 601, L-shaped frame; 602, hydraulic cylinder one; 603, pressing plate; 701, rotating gear; 702, moving plate; 703, straight rack; 801, T-shaped groove; 802, T-shaped seat; 901, shell; 902, drive plate; 903, drive rod; 904, hydraulic cylinder two; 1001, transmission shaft; 1002, stepping motor; 1003, drive bevel gear; 1004, driven bevel gear. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be described below in connection with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Reference Figures 1-4 A excavator counterweight plate welding tool, including U-shaped base 1, the top of U-shaped base 1 is fixedly installed with two stands 2, one side of stand 2 is provided with drive groove 401, drive groove 401 is slidably installed with drive seat 402, the same threaded rod 403 is rotatably installed on the top and bottom inner wall of drive groove 401, the same U-shaped lifting plate 404 is fixedly installed on the side of two drive seats 402, and the same counterweight plate placing table 502 is fixedly installed on the end of two rotating shafts 501, which are close to each other, and the same counterweight plate placing table 502 is provided with pressing mechanism for fixing the counterweight plate, rotating gear is fixedly installed on rotating shaft 501, moving plate 702 is slidably installed on the inner wall of both sides of U-shaped lifting plate 404, straight rack 703 is fixedly installed on the top of moving plate 702, and straight rack 703 is engaged with rotating gear.

[0026] In the embodiment, the pressing mechanism comprises an L-shaped frame 601, a hydraulic cylinder 602 and a pressing plate. The L-shaped frame 601 is fixedly installed on the top of the counterweight plate placing table 502. The hydraulic cylinder 602 is fixedly installed on the top of the L-shaped frame 601. The output shaft of the hydraulic cylinder 602 is fixedly installed with the pressing plate 603. The pressing plate 603 can fix the counterweight plate.

[0027] In the embodiment, the two side inner walls of the U-shaped lifting plate 404 are provided with T-shaped grooves 801. One side of the moving plate 702 is fixedly installed with a T-shaped seat 802 which is in sliding connection with the corresponding T-shaped groove 801. The T-shaped groove 801 and the T-shaped seat 802 are arranged to guide the moving plate 702 to move stably.

[0028] In the embodiment, the rear side of the U-shaped lifting plate 404 is fixedly installed with a housing 901. The housing 901 is provided with a driving mechanism which is connected with the moving plate 702. The driving mechanism comprises a hydraulic cylinder 904, a driving plate 902 and a driving rod 903. The hydraulic cylinder 904 is fixedly installed on the rear side of the housing 901. The driving plate 902 is slidingly installed in the housing 901. The output shaft of the hydraulic cylinder 904 is fixedly connected with the driving plate 902. The front side of the driving plate 902 is fixedly installed with two driving rods 903 which are fixedly connected with the moving plate 702. The hydraulic cylinder 904 can drive the rotating shaft 501 to rotate, so as to realize the overturning and angle adjustment of the counterweight plate placing table 502.

[0029] In the embodiment, the top of the two vertical columns 2 is fixedly installed with a control box 3. The two side inner walls of the control box 3 are rotatably installed with a transmission shaft 1001. One side of the control box 3 is fixedly installed with a stepping motor 1002. The output shaft of the stepping motor 1002 is fixedly connected with the transmission shaft 1001. The transmission shaft 1001 is provided with a transmission mechanism with the threaded rod 403. The two transmission mechanisms comprise a driving bevel gear 1003 and a driven bevel gear 1004. The driving bevel gear 1003 is fixedly installed on the transmission shaft 1001. The driven bevel gear 1004 is fixedly installed on the top end of the threaded rod 403. The driving bevel gear 1003 is in engagement with the corresponding driven bevel gear 1004. The rotation of the transmission shaft 1001 can drive the two threaded rods 403 to rotate through the cooperation of the driving bevel gear 1003 and the driven bevel gear 1004.

[0030] The utility model discloses a excavator counterweight plate welding tool, including the counterweight plate placing table 502, the counterweight plate 501, the movable plate 702, the driving plate 902, the hydraulic cylinder no. 2 904, the hydraulic cylinder no. 1 602, the step motor 1002, the transmission shaft 1001, the driving gear 1003 and the driven bevel gear 1004, the movable plate 702 is fixedly connected to the counterweight plate placing table 502, the movable plate 702 is fixedly connected to the driving plate 902, the driving plate 902 is fixedly connected to the hydraulic cylinder no. 2 904, the hydraulic cylinder no. 2 904 is fixedly connected to the counterweight plate 501, the counterweight plate 501 is fixedly connected to the hydraulic cylinder no. 1 602, the hydraulic cylinder no. 1 602 is fixedly connected to the step motor 1002, the step motor 1002 is fixedly connected to the transmission shaft 1001, the transmission shaft 1001 is fixedly connected to the driving gear 1003 and the driven bevel gear 1004, when the excavator counterweight plate is placed to the counterweight plate placing table 502, through starting hydraulic cylinder no. 1 602, hydraulic cylinder no. 1 602 can drive the compression plate 603 to move down, the compression plate 603 can realize the purpose of being pressed tightly fixed to the counterweight plate, through starting step motor 1002, step motor 1002 can drive transmission shaft 1001 to rotate, through the cooperation of driving bevel gear 1003 and driven bevel gear 1004, transmission shaft 1001 can drive two threaded rods 403 to rotate, the rotation of threaded rod 403 can drive driving seat 402, U-shaped lifting plate 404 and counterweight plate placing table 502 to move, the counterweight plate placing table 502 can drive the counterweight plate to adjust the height according to the purpose, through starting hydraulic cylinder no. 2 904, hydraulic cylinder no. 2 904 can drive driving plate 902 to move, driving plate 902 can drive movable plate 702 to move through driving rod 903, movable plate 702 drives rotation gear 701 to rotate through straight rack 703, rotation gear 701 can drive rotation shaft 501 and counterweight plate placing table 502 to rotate, and the counterweight plate placing table 502 can drive the counterweight plate to adjust the angle, so as to facilitate the purpose of welding the counterweight plate to the excavator.

[0031] The utility model discloses a excavator counterweight plate welding tool has carried out the detailed introduction. The principle and implementation of the utility model are described in the paper, and the above embodiment is only used for helping the method and its core idea of the utility model are understood. It should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. An excavator counterweight plate welding fixture characterized by, Including the U-shaped base (1), the top of the U-shaped base (1) is fixedly installed with two columns (2), one side of the column (2) is provided with a driving groove (401), a driving seat (402) is slidably installed in the driving groove (401), and a same threaded rod (403) is rotatably installed on the top and bottom inner walls of the driving groove (401); The same U-shaped lifting plate (404) is fixedly installed on the side of the two driving seats (402) close to each other, the rotating shaft (501) is rotatably installed on the inner walls of the two sides of the U-shaped lifting plate (404), and the same counterweight plate placing table (502) is fixedly installed on the ends of the two rotating shafts (501) close to each other, and the counterweight plate placing table (502) is provided with a pressing mechanism for fixing the counterweight plate; The rotating gear (701) is fixedly installed on the rotating shaft (501), the moving plate (702) is slidably installed on the inner walls of the two sides of the U-shaped lifting plate (404), and the straight rack (703) is fixedly installed on the top of the moving plate (702), and the straight rack (703) is engaged with the rotating gear (701).

2. The excavator counterweight plate welding fixture of claim 1, wherein, The pressing mechanism comprises an L-shaped frame (601), a hydraulic cylinder (602) and a pressing plate, the L-shaped frame (601) is fixedly installed on the top of the counterweight plate placing table (502), the hydraulic cylinder (602) is fixedly installed on the top of the L-shaped frame (601), and the pressing plate is fixedly installed on the output shaft of the hydraulic cylinder (602).

3. The excavator counterweight plate welding fixture of claim 1, wherein, T-shaped grooves (801) are formed in the inner walls of the two sides of the U-shaped lifting plate (404), and a T-shaped seat (802) is fixedly installed on one side of the moving plate (702), and the T-shaped seat (802) is slidably connected with the corresponding T-shaped groove (801).

4. The excavator counterweight plate welding fixture of claim 1, wherein, The rear side of the U-shaped lifting plate (404) is fixedly installed with a shell (901), and the shell (901) is provided with a driving mechanism, and the driving mechanism is connected with the moving plate (702).

5. The excavator counterweight plate welding fixture of claim 4, wherein, The driving mechanism comprises a hydraulic cylinder (904), a driving plate (902) and a driving rod (903), the hydraulic cylinder (904) is fixedly installed on the rear side of the shell (901), the driving plate (902) is slidably installed in the shell (901), the output shaft of the hydraulic cylinder (904) is fixedly connected with the driving plate (902), two driving rods (903) are fixedly installed on the front side of the driving plate (902), and the driving rod (903) is fixedly connected with the moving plate (702).

6. The excavator counterweight plate welding fixture of claim 1, wherein, The top of the two columns (2) is fixedly installed with a control box (3), the transmission shaft (1001) is rotatably installed on the inner walls of the two sides of the control box (3), the step motor (1002) is fixedly installed on one side of the control box (3), the output shaft of the step motor (1002) is fixedly connected with the transmission shaft (1001), and the transmission mechanism is arranged between the transmission shaft (1001) and the threaded rod (403).

7. The excavator counterweight plate welding fixture of claim 6, wherein, Two transmission mechanisms include a driving bevel gear (1003) and a driven bevel gear (1004), the driving bevel gear (1003) is fixedly installed on the transmission shaft (1001), the driven bevel gear (1004) is fixedly installed on the top end of the threaded rod (403), and the driving bevel gear (1003) is engaged with the corresponding driven bevel gear (1004).

Images