Welding and fixing tool for bulldozing bucket of excavator

Abstract

The utility model discloses an excavator bulldozing bucket welding fixing tool which comprises a bottom plate, short supporting legs, a moving device and a driving device are symmetrically and fixedly arranged on the upper end face of the bottom plate, the driving device is located on the outer side of the moving device, and the moving device is located on the outer side of the short supporting legs. A long supporting leg is fixedly arranged on the upper end face of the moving device, and the long supporting leg is parallel to the short supporting leg; a first supporting column is inserted into the lower portion of the long supporting leg, a second supporting column is inserted into the lower portion of the short supporting leg, and the first supporting column and the second supporting column are located on the same horizontal line. The moving device is arranged to adjust the position of the long supporting leg, so that the welding and fixing tool can be used for welding bulldozing buckets with different sizes, the operation of replacing the tool is not needed, and the working efficiency is improved; the driving device is arranged to control the moving device, normal displacement of the moving device is guaranteed, stability of the moving device can be guaranteed when the moving device is adjusted to a proper position, and then stability of the to-be-welded assembly in the welding process is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding fixed frock, especially a kind of excavator bulldozer bucket welding fixed frock. BACKGROUND

[0002] Bucket is installed on the bucket used in excavator, in engineering machinery field, bulldozer bucket is important working device, and its structural strength and durability are crucial to the performance of bulldozer, in manufacturing and maintenance process, the bucket needs to be fixed in proper position to carry out welding work.For the bulldozer bucket used in engineering excavator, due to its relatively large volume, it is difficult to be integrally formed by equipment processing, and is usually connected by welding between various parts, and then assembled after welding forming.

[0003] The existing welding fixing mode is usually welded to the bulldozer bucket of specific size, and the frock needs to be replaced before welding bulldozer bucket of different sizes, which not only increases the complexity of operation, but also reduces work efficiency. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a kind of excavator bulldozer bucket welding fixed frock.

[0005] In order to solve the above technical problems, the utility model adopts the technical scheme that a kind of excavator bulldozer bucket welding fixed frock, including bottom plate, the upper end face of bottom plate is fixedly provided with short leg, moving device and drive device, drive device is located on the outer side of moving device, and moving device is located on the outer side of short leg;The upper end face of moving device is fixedly provided with long leg, and long leg is parallel to short leg;

[0006] Locking bolt is arranged on the inner side wall above long leg for fixing the welding assembly;First support is inserted into the inside below long leg, second support is inserted into the inside below short leg, and first support and second support are located on the same horizontal line;

[0007] Drive device includes support frame, cylinder and several cylinder extension rods;Support frame is arranged on the upper end face of bottom plate, cylinder is installed on the upper side of support frame, cylinder extension rods are symmetrically arranged in the inside of cylinder, cylinder extension rods pass through cylinder guide hole to the outside of cylinder, drive connecting piece is fixedly arranged on the front end of cylinder extension rods, and the other end of drive connecting piece is fixedly connected with long leg;

[0008] Moving device includes slide rail, sliding plate and several sliding blocks;Two groups of slide rails are fixedly arranged on the upper end face of bottom plate, sliding plate is fixedly arranged on the bottom end face of long leg, and several sliding blocks are fixedly arranged on the bottom end face of sliding plate for cooperating with slide rail, and slide rail is perpendicular to long leg.

[0009] Further, the outer side of the support frame is symmetrically provided with a reinforcing plate for reinforcing the support of the air cylinder.

[0010] Further, a groove is formed in the middle of the short leg for further limiting the welding assembly.

[0011] Further, a reinforcing device is fixedly arranged above the middle of the bottom plate for ensuring the stability of the welding assembly.

[0012] Further, the reinforcing device comprises a fixed plate, a support plate and a clamping block; the fixed plate is fixedly arranged at the top end of the upper end face of the bottom plate, and the rear end of the fixed plate is welded with the support plate; a through hole is symmetrically formed in the support plate, a bolt is penetrated through the through hole, a nut is threadedly connected to the bolt, and the nut is located above the support plate; the bottom of the bolt is fixedly arranged with the clamping block.

[0013] Further, the reinforcing device comprises a fixed plate, a support plate and a clamping block; the fixed plate is fixedly arranged at the top end of the bottom plate, and the rear end of the fixed plate is welded with the support plate; a through hole is symmetrically formed in the support plate, a bolt is penetrated through the through hole, a nut is threadedly connected to the bolt, and the nut is located above the support plate; the bottom of the bolt is fixedly arranged with the clamping block.

[0014] Further, the fixed plate is L-shaped.

[0015] The utility model discloses a kind of excavator bulldozer bucket welding fixed tool, position adjustment is carried out to long leg by setting mobile device, so that the welding fixed tool can weld bulldozer bucket of different sizes, without the operation of replacing tooling, improve work efficiency;Drive device is controlled to mobile device, not only guarantee the normal displacement of mobile device, when mobile device is adjusted to appropriate position, the stability of mobile device can be guaranteed, the stability in the welding process of welding assembly is ensured, and the welding quality of welding assembly is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of embodiment one.

[0017] Figure 2 It is the front view of embodiment one.

[0018] Figure 3 It is the overall structure schematic view of embodiment two.

[0019] In the drawing: 1, bottom plate; 2, long leg; 3, short leg; 4, first support column; 5, second support column; 6, locking bolt; 7, reinforcing plate; 8, sliding plate; 9, sliding block; 10, slide rail; 11, support frame; 12, air cylinder; 13, air cylinder telescopic rod; 14, drive connecting piece; 15, fixed plate; 16, support plate; 17, bolt; 18, clamping block; 19, nut. DETAILED DESCRIPTION

[0020] The utility model will be further explained in detail below in combination with the drawings and specific embodiments.

[0021] Embodiment one:

[0022] Figure 1 And Figure 2 As shown in one excavator bulldozing bucket welding fixed frock, including bottom plate 1, the upper end surface of bottom plate 1 is fixedly provided with short branch leg 3, moving device and drive arrangement, and drive arrangement is located the outside of moving device, and moving device is located the outside of short branch leg 3;The upper end surface of moving device is fixedly provided with long branch leg 2, and long branch leg 2 is parallel with short branch leg 3 each other;

[0023] Locking bolt 6 is set up on the upper inside wall of long branch leg 2 to be used for fixing the welding component to be welded;The lower of long branch leg 2 and the lower of short branch leg 3 are all opened with opening, and the inside of the opening of long branch leg 2 is inserted with first support column 4, and the inside of the opening of short branch leg 3 is inserted with second support column 5, and first support column 4 and second support column 5 are located on the same horizontal line;By setting first support column 4 and second support column 5 on the same horizontal line, the position certainty of welding component to be welded can be guaranteed, and welding accuracy is improved.

[0024] The middle part of short branch leg 3 is opened with recess to be used for further limiting welding component to be welded, avoids the displacement caused by vibration or improper operation in the welding process, and ensures the precision and quality of welding.

[0025] Drive arrangement includes support frame 11, cylinder 12 and several cylinder telescopic rods 13;The drive arrangement of this embodiment includes support frame 11, cylinder 12 and two cylinder telescopic rods 13;Support frame 11 is arranged on the upper end surface of bottom plate 1;The upper of support frame 11 is installed with cylinder 12, and cylinder telescopic rod 13 is symmetrically arranged in the inside of cylinder 12, and cylinder telescopic rod 13 penetrates cylinder guide hole to the outside of cylinder 12;The front end of cylinder telescopic rod 13 is fixedly provided with drive connecting piece 14, and drive connecting piece 14 is connected to the other end of one end of cylinder telescopic rod 13, and the other end is fixedly connected to long branch leg 2;

[0026] The outside of support frame 11 is fixedly provided with reinforcing plate 7 to be used for strengthening the support to cylinder 12;The slope angle of reinforcing plate 7 in this embodiment is 60 degrees.

[0027] Moving device includes slide rail 10, sliding plate 8 and several sliding blocks 9, and the moving device of this embodiment includes slide rail 10, sliding plate 8 and four sliding blocks 9;The upper end surface of bottom plate 1 is fixedly provided with two groups of slide rails 10;The bottom end surface of long branch leg 2 is fixedly provided with sliding plate 8, and the bottom end surface of sliding plate 8 is fixedly provided with four sliding blocks 9 to be used for cooperating with slide rail 10;Slide rail 10 is perpendicular to long branch leg 2 each other.

[0028] A reinforcement device is fixedly installed at the center of the upper part of the base plate 1 to ensure the stability of the components to be welded;

[0029] The reinforcement device includes a fixing plate 15, a support plate 16, and a clamping block 18. The fixing plate 15 is fixedly installed at the top of the upper surface of the base plate 1, and the support plate 16 is welded to the rear end of the fixing plate 15. The support plate 16 has symmetrical through holes, and bolts 17 pass through the through holes. Nuts 19 are threaded onto the bolts 17, and the nuts 19 are located above the support plate 16. The clamping block 18 is fixedly installed at the bottom of the bolts 17 to abut and fix the component to be welded.

[0030] The usage process of this embodiment specifically includes the following steps:

[0031] 1. Initial position: Long support leg 2 is located on the outermost side; place the component to be welded on top of base plate 1;

[0032] 2. Insert the bent part of the component to be welded into the groove of the short support leg 3;

[0033] 3. By adjusting the nut 19 in the reinforcement device, the clamp 18 is made to fit tightly against the front end of the welding assembly;

[0034] 4. According to the required size of the bucket, use cylinder 12 and cylinder extension rod 13 to drive the moving device to adjust the position of the long support leg 2 so that the long support leg 2 is tightly against the side wall of the component to be welded.

[0035] 5. Use the locking bolts 6 on the long support leg 2 to fix the side wall of the component to be welded to the welding fixture;

[0036] 6. Insert the shafts of the first support 4 and the second support 5 into the holes of the component to be welded for positioning.

[0037] 7. Perform welding work.

[0038] Example 2:

[0039] like Figure 3 As shown, in this embodiment, the fixing plate 15 is fixedly installed on the top of the base plate 1, and the rear end of the fixing plate 15 is welded with a support plate 16; the support plate 16 has symmetrical through holes, and bolts 17 pass through the through holes. Nuts 19 are threaded onto the bolts 17, and the nuts 19 are located above the support plate 16; a clamping block 18 is fixedly installed at the bottom of the bolts 17 to abut and fix the component to be welded; and the fixing plate 15 is L-shaped; this arrangement allows the reinforcement device to not occupy the space of the base plate 1, so that the component to be welded can be more stably fixed on the base plate 1, improving the welding accuracy and avoiding redundancy and interference of the device.

[0040] In summary, the embodiment two in the specification focuses on the differences from the embodiment one, and the same and similar parts between the embodiment one and other embodiments are referred to each other.

[0041] The above embodiment is not a limitation of the utility model, and the utility model is not limited to the above examples, and the changes, modifications, additions or replacements made by the person skilled in the art within the technical scheme range of the utility model also belong to the protection range of the utility model.

Claims

1. A welding fixture for excavator dozer buckets, comprising a base plate (1), characterised in that: The upper end face of the bottom plate (1) is symmetrically provided with a short leg (3), a moving device and a driving device, the driving device is located outside the moving device, and the moving device is located outside the short leg (3); the upper end face of the moving device is fixedly provided with a long leg (2), and the long leg (2) is parallel to the short leg (3); A locking bolt (6) is arranged on the upper inner side wall of the long leg (2) to fix the welding assembly; the first support column (4) is inserted into the lower inner part of the long leg (2), and the second support column (5) is inserted into the lower part of the short leg (3); the first support column (4) and the second support column (5) are located on the same horizontal line; The driving device comprises a support frame (11), a gas cylinder (12) and a plurality of gas cylinder extension rods (13); the support frame (11) is arranged on the upper end face of the bottom plate (1), the upper part of the support frame (11) is provided with the gas cylinder (12), the gas cylinder (12) is symmetrically provided with the gas cylinder extension rods (13) inside, the gas cylinder extension rods (13) penetrate through the gas cylinder guide hole to the outside of the gas cylinder (12), the front end of the gas cylinder extension rod (13) is fixedly provided with a driving connecting piece (14), the driving connecting piece (14) is connected to one end of the gas cylinder extension rod (13), and the other end of the driving connecting piece (14) is fixedly connected to the long leg (2); The moving device comprises a sliding rail (10), a sliding plate (8) and a plurality of sliding blocks (9); two groups of sliding rails (10) are fixedly arranged on the upper end face of the bottom plate (1), the bottom end face of the long leg (2) is fixedly provided with the sliding plate (8), and the bottom end face of the sliding plate (8) is fixedly provided with a plurality of sliding blocks (9) for cooperating with the sliding rails (10).

2. The excavator dozer bucket welding fixture of claim 1, wherein: The outer side of the support frame (11) is symmetrically fixedly provided with a reinforcing plate (7) to strengthen the support of the gas cylinder (12).

3. The excavator dozer bucket welding fixture of claim 1, wherein: A groove is formed in the middle of the short leg (3) to further limit the welding assembly.

4. The excavator dozer bucket welding fixture of claim 1, wherein: A reinforcing device is fixedly arranged on the upper middle part of the bottom plate (1) to ensure the stability of the welding assembly.

5. The excavator dozer bucket welding fixture of claim 4, wherein: The reinforcing device comprises a fixed plate (15), a support plate (16) and a clamping block (18); the fixed plate (15) is fixedly arranged at the top end of the upper end face of the bottom plate (1), and the rear end of the fixed plate (15) is welded with the support plate (16); a through hole is symmetrically formed in the support plate (16), a bolt (17) penetrates through the through hole, a nut (19) is threadedly connected to the bolt (17), and the nut (19) is located above the support plate (16); the bottom of the bolt (17) is fixedly provided with the clamping block (18).

6. The excavator dozer bucket welding fixture of claim 4, wherein: The reinforcing device comprises a fixed plate (15), a support plate (16) and a clamping block (18); the fixed plate (15) is fixedly arranged at the top end of the bottom plate (1), and the rear end of the fixed plate (15) is welded with the support plate (16); a through hole is symmetrically formed in the support plate (16), a bolt (17) penetrates through the through hole, a nut (19) is threadedly connected to the bolt (17), and the nut (19) is located above the support plate (16); the bottom of the bolt (17) is fixedly provided with the clamping block (18).

7. The excavator dozer bucket welding fixture of claim 6, wherein: The fixed plate (15) is in L shape.

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