Integral assembling mould for left and right boundary beams of telescopic excavator

Abstract

The utility model discloses an integral assembly mould for left and right boundary beams of a telescopic excavator, which belongs to the technical field of assembly moulds and comprises a base, and the upper end of the base is fixedly connected with a concentric-square-shaped connecting frame. And the lifting moving mechanism comprises a first motor installed on the right side of the concentric-square-shaped connecting frame, a first two-way threaded rod is rotationally connected between the inner walls of the left side and the right side of the concentric-square-shaped connecting frame, and the right end of the first two-way threaded rod penetrates through the inner wall of the right side of the concentric-square-shaped connecting frame and is fixedly connected with an output shaft of the first motor. According to the device, aiming at the use problem, two limiting mechanisms are arranged, by controlling the two L-shaped sliding blocks to move oppositely and cooperating with downward pressing of the two pressing blocks, positioning of boundary beam bodies of different specifications can be conveniently achieved, adaptability is good, a lifting moving mechanism is further arranged, position adjustment of the boundary beam bodies can be achieved, and follow-up welding is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of assembling fixtures, especially relates to a telescopic excavator left and right side beam integral assembly fixture. BACKGROUND

[0002] The left and right side beams of the telescopic excavator are key load-bearing components in the excavator chassis structure, are usually made of high-strength steel, are located on the left and right sides of the excavator chassis, have high rigidity and torsional resistance, and can improve the stability, safety and service life of the excavator.

[0003] At present, during the operation of installing and welding the left and right side beams, an assembly fixture is usually used to ensure accurate positioning and welding quality of the left and right side beams as a whole, however, most assembly fixtures can only position and support side beams of fixed sizes, and have poor adaptability when facing side beams of different thicknesses and lengths, so a telescopic excavator left and right side beam integral assembly fixture is designed to solve this problem. UTILITY MODEL CONTENTS

[0004] The utility model discloses a telescopic excavator left and right side beam integral assembly fixture which has two limiting mechanisms, can conveniently position side beam bodies of different specifications by controlling the opposite movement of the two L-shaped sliders and the downward pressing of the two pressing blocks, has good adaptability, and is provided with a lifting and moving mechanism to adjust the position of the side beam body and facilitate subsequent welding.

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

[0006] A telescopic excavator left and right side beam integral assembly fixture, comprising a base, the upper end of the base is fixedly connected with a meandering connecting frame; a lifting and moving mechanism, the lifting and moving mechanism comprises a first motor installed on the right side of the meandering connecting frame, first bidirectional threaded rods are rotationally connected between the inner walls on the left and right sides of the meandering connecting frame, the right end of the first bidirectional threaded rods penetrates through the right inner wall of the meandering connecting frame and is fixedly connected with the output shaft of the first motor, the two threaded ends of the first bidirectional threaded rods are both threadedly connected with supporting blocks, hydraulic telescopic rods are installed on the upper ends of the two supporting blocks, L-shaped connecting frames are fixedly connected with the telescopic ends of the two hydraulic telescopic rods, and side beam bodies are placed on the inner sides of the two L-shaped connecting frames; two limiting mechanisms, the two limiting mechanisms are both used for limiting the corresponding side beam bodies.

[0007] Preferably, a guide rod is fixedly connected between the inner walls on the left and right sides of the meandering connecting frame, and the two supporting blocks are both slidingly connected with the guide rod.

[0008] Preferably, the limiting mechanism comprises a second motor mounted on the front side of the L-shaped connecting frame, a rectangular inner groove is formed in the inner bottom of the L-shaped connecting frame, a second bidirectional threaded rod is rotatably connected between the inner walls of the front and rear sides of the rectangular inner groove, the front end of the second bidirectional threaded rod penetrates through the front side inner wall of the rectangular inner groove and is fixedly connected with the output shaft of the second motor, and L-shaped sliding blocks are threadedly connected to the two threaded ends of the second bidirectional threaded rod.

[0009] Preferably, the lower end portion of each L-shaped sliding block is slidably connected with the inner wall of the corresponding rectangular inner groove, and the side wall of each pressing block is in abutment with the inner wall of the corresponding L-shaped sliding block.

[0010] Preferably, a rubber pad is arranged at the lower end of each pressing block, and the lower end of each rubber pad is in abutment with the upper end of the horizontal portion of the corresponding edge beam body.

[0011] Preferably, the first motor and the two second motors are servo motors capable of changing the rotation direction.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] Two limiting mechanisms are arranged, the corresponding two L-shaped sliding blocks are moved towards each other by starting the second motor, the corresponding pressing blocks are driven to move downwards by rotating the first threaded rod, the stable positioning of the edge beam body can be conveniently and quickly realized, the stability of the edge beam body during welding and installation is ensured, the welding quality is guaranteed, the stable positioning of edge beam bodies with different thicknesses and lengths can be adapted, the adaptability is high, a lifting and moving mechanism is further arranged, the two supporting blocks are moved towards each other by starting the first motor, the position of the edge beam body can be adjusted by cooperating with the two hydraulic telescopic rods, so that the subsequent workers can conveniently weld and install the edge beam body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A structure diagram of the utility model is shown in the structure diagram of the utility model;

[0015] Figure 2 A structure diagram of the utility model is shown in the structure diagram of the utility model; Figure 1 A structure diagram of the utility model is shown in the structure diagram of the utility model;

[0016] Figure 3 A structure diagram of the utility model is shown in the structure diagram of the utility model; Figure 2 An enlarged view of A in the structure diagram of the utility model.

[0017] In the figure: 1 base, 2 back-shaped connecting frame, 3 first motor, 4 first bidirectional threaded rod, 5 supporting block, 6 hydraulic telescopic rod, 7 L-shaped connecting frame, 8 side beam main body, 9 guide rod, 10 second motor, 11 rectangular inner groove, 12 second bidirectional threaded rod, 13 L-shaped sliding block, 14 first threaded rod, 15 pressing block, 16 rubber pad. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] Referring to Figures 1-3 A kind of left and right side beam overall group fixture of telescopic excavator, including base 1, the upper end of base 1 is fixedly connected with back-shaped connecting frame 2;

[0020] Wherein, it further includes lifting moving mechanism, lifting moving mechanism includes the first motor 3 of installation in the right side of back-shaped connecting frame 2, first motor 3 is the servo motor that can change rotating direction, back-shaped connecting frame 2 is rotatably connected with first bidirectional threaded rod 4 between the inner wall of left and right sides, the right end of first bidirectional threaded rod 4 is passed through the right side inner wall of back-shaped connecting frame 2, and is fixedly connected with the output shaft of first motor 3, two threaded ends of first bidirectional threaded rod 4 are all screw-connected with supporting block 5, guiding rod 9 is fixedly connected between the inner wall of left and right sides of back-shaped connecting frame 2, two supporting blocks 5 are all slidably connected with guiding rod 9, guiding rod 9 can improve the stability when two supporting blocks 5 move, the upper end of two supporting blocks 5 is all installed with hydraulic telescopic rod 6, the telescopic end of two hydraulic telescopic rods 6 is all fixedly connected with L-shaped connecting frame 7, the inner side of two L-shaped connecting frames 7 is all placed with side beam main body 8;

[0021] Two limiting mechanisms are further included, and the two limiting mechanisms are used for limiting the corresponding edge beam body 8, and the limiting mechanism comprises a second motor 10 installed on the front side of the L-shaped connecting frame 7, both of the second motors 10 are servo motors capable of changing the rotating direction, a rectangular inner groove 11 is formed in the inner bottom of the L-shaped connecting frame 7, a second bidirectional threaded rod 12 is rotatably connected between the inner walls on the front and back sides of the rectangular inner groove 11, the front end of the second bidirectional threaded rod 12 penetrates through the inner wall on the front side of the rectangular inner groove 11 and is fixedly connected with the output shaft of the second motor 10, and both threaded ends of the second bidirectional threaded rod 12 are threadedly connected with an L-shaped sliding block 13, and the positions of the two L-shaped sliding blocks 13 can be adjusted according to the length of the edge beam body 8 during actual operation, the lower end portion of each L-shaped sliding block 13 is slidably connected with the inner wall of the corresponding rectangular inner groove 11, the upper end of each L-shaped sliding block 13 is threadedly connected with a first threaded rod 14, and the lower end of each first threaded rod 14 penetrates through the corresponding L-shaped sliding block 13 and is rotatably connected with a pressing block 15, the positioning of the edge beam body 8 can be realized by controlling the downward movement of the pressing block 15, and the downward movement distance can be adaptively adjusted according to the thickness of the edge beam body 8, the side wall of each pressing block 15 is attached to the inner wall of the corresponding L-shaped sliding block 13, a rubber pad 16 is arranged at the lower end of each pressing block 15, and the lower end of each rubber pad 16 is attached to the upper end of the horizontal portion of the corresponding edge beam body 8, so that the stability of the positioning of the edge beam body 8 by the pressing block 15 is improved.

[0022] In the utility model, during use, first, one edge beam body 8 is positioned, the edge beam body 8 is placed on the L-shaped connecting frame 7 on the left side, it is ensured that the outer side is attached to the inner side of the L-shaped connecting frame 7, then the second motor 10 on the left side is started to drive the corresponding second bidirectional threaded rod 12 to rotate, drives two L-shaped sliding blocks 13 to move towards each other, until the perpendicular parts of the two L-shaped sliding blocks 13 are respectively attached to the front and back ends of the edge beam body 8, at this time, the staff can rotate two first threaded rods 14 on the left side in sequence, drive the corresponding pressing block 15, rubber pad 16 to move downward synchronously until two rubber pads 16 are tightly attached to the upper end of the horizontal portion of the edge beam body 8, so that the stable positioning of the edge beam body 8 can be realized, and another edge beam body 8 can be positioned on the L-shaped connecting frame 7 on the right side (the actual effect diagram is shown in the figure) by the same operation as above. Figure 1

[0023] ​After the positioning of the two side beam bodies 8 is completed, the chassis mechanism of the excavator is moved between the two side beam bodies 8, then the first motor 3 is started to drive the first bidirectional screw rod 4 to rotate, the two supporting blocks 5 are moved towards each other, thereby the two positioned side beam bodies 8 are moved towards each other to the designated welding position of the chassis mechanism of the excavator, during which the two hydraulic telescopic rods 6 can be controlled respectively to drive the corresponding side beam body 8 to adjust the lifting, (the specific operation can be adjusted according to the actual situation), after the welding operation is completed, the multiple pressing blocks 15 are controlled to move upwards in turn, then every two matched L-shaped sliding blocks 13 are controlled to move away from each other, thereby the positioning of the two side beam bodies 8 is released, the whole positioning process is relatively convenient, the stability of the two side beam bodies 8 during the welding and installation is ensured, the welding quality is guaranteed, and the stable positioning of the side beam bodies 8 with different thicknesses and lengths can be adapted, and the adaptation range is relatively wide.

[0024] The above merely provides the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A left and right side frame integrated assembly jig for a telescopic excavator, characterized by, The utility model relates to a kind of movable roof support structure, including: Base (1), the upper end of the base (1) is fixedly connected with back-shaped connecting frame (2); Lifting movement mechanism, the first motor (3) of installing in back-shaped connecting frame (2) right side, the left and right two side walls of back-shaped connecting frame (2) are rotatably connected with first double-threaded rod (4), the right end of first double-threaded rod (4) penetrates the right side inner wall of back-shaped connecting frame (2), and is fixedly connected with the output shaft of first motor (3), two threaded ends of first double-threaded rod (4) are all threadedly connected with support block (5), the upper end of two support blocks (5) is mounted with hydraulic telescopic rod (6), the telescopic end of two hydraulic telescopic rods (6) is fixedly connected with L-shaped connecting frame (7), the inner side of two L-shaped connecting frames (7) is placed with side beam main body (8); Two limiting mechanisms, two limiting mechanisms are used for limiting corresponding side beam main body (8).

2. The left and right beam integrated assembly fixture of the telescopic excavator according to claim 1, wherein, The left and right two side walls of back-shaped connecting frame (2) are fixedly connected with guide rod (9), two support blocks (5) are slidably connected with guide rod (9).

3. The left and right beam integrated assembly fixture of the telescopic excavator according to claim 1, wherein, The limiting mechanism includes the second motor (10) installed in the front side of L-shaped connecting frame (7), the inner bottom of L-shaped connecting frame (7) is provided with rectangular inner groove (11), the front and rear two side walls of rectangular inner groove (11) are rotatably connected with second double-threaded rod (12), the front end of second double-threaded rod (12) penetrates the front side inner wall of rectangular inner groove (11), and is fixedly connected with the output shaft of second motor (10), two threaded ends of second double-threaded rod (12) are all threadedly connected with L-shaped slider (13), the upper end of two L-shaped sliders (13) is threadedly connected with first threaded rod (14), and the lower end of two first threaded rods (14) penetrates corresponding L-shaped slider (13) and is rotatably connected with pressing block (15).

4. The left and right beam integrated assembly fixture of the telescopic excavator according to claim 3, wherein, The lower end of each L-shaped slider (13) is slidably connected with the inner wall of corresponding rectangular inner groove (11), and the side wall of each pressing block (15) is fitted with the inner wall of corresponding L-shaped slider (13).

5. The left and right beam integrated assembly fixture of the telescopic excavator according to claim 3, wherein, The lower end of each pressing block (15) is provided with rubber pad (16), and the lower end of each rubber pad (16) is fitted with the upper end of the horizontal part of corresponding side beam main body (8).

6. The left and right beam integrated assembly fixture of the telescopic excavator according to claim 3, wherein, The first motor (3) and two second motors (10) are all servo motors that can change the direction of rotation.

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