Auxiliary welding device for hydraulic pipeline

By designing an auxiliary welding device for hydraulic pipelines, and using components such as lifting devices and pressure heads to accurately position the flanges of hydraulic pipelines, the problem of insufficient welding precision in existing technologies has been solved, and high-precision hydraulic pipeline welding has been achieved.

CN223947224UActive Publication Date: 2026-02-27JIANGSU SPEED HEAVY INDUSTRY MASCH CO LTD
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Patent Information

Application Number
CN202520625879.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-02-27
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

In the existing technology, the flange welding of hydraulic pipelines lacks a dedicated positioning device, resulting in insufficient welding accuracy and affecting product quality.

Method used

A hydraulic pipeline auxiliary welding device was designed, including components such as a base plate, a base, clamping blocks, a lifting device, and a pressure head. It ensures welding accuracy by precisely positioning the straight and curved pipes with flanges.

Benefits of technology

It enables rapid positioning and precise welding, improves the welding accuracy of hydraulic pipelines, ensures product quality, and protects the integrity of the flange end face of the bend.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223947224U_ABST
Patent Text Reader

Abstract

The utility model discloses a hydraulic pipeline auxiliary welding device which comprises a bottom plate, a first base is connected to the bottom plate, a clamping block is arranged above the first base, and a first lifting device drives the clamping block to be close to or away from the first base. A sliding block is in sliding fit with the bottom plate at one end of the first base, and the driving device is in driving connection with the sliding block; a second base is connected to the sliding block, a second lifting device is connected to the sliding block on the side portion of the second base, and a pressing head is connected to the second lifting device; the first base is provided with an arc-shaped first groove, the second base is provided with an L-shaped arc-shaped second groove, and one end of the second groove is flush with the first groove. Compared with the prior art, the device is simple in structure, convenient to use and capable of rapidly positioning the straight pipeline A with the flange and the bent pipeline B with the flange, welding precision is guaranteed, and then product quality is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to welding frock technical field especially relates to a hydraulic pipeline auxiliary welding device. BACKGROUND

[0002] The function of the hydraulic system is to increase the force by changing the pressure, and the commonly used hydraulic system mainly refers to the hydraulic transmission system. A complete hydraulic system is composed of five parts, namely, power element, execution element, control element, auxiliary element and hydraulic oil. The hard hydraulic pipeline is one of the important auxiliary elements of the hydraulic system.

[0003] The shape of the metal hard hydraulic pipeline is bent and welded according to the layout of the engineering machinery, so that part of the hydraulic hard pipe is a special-shaped structure. Figure 1 、 2 As shown in the F-shaped hydraulic pipeline 19, the straight pipeline A1901 with flange, the curved pipeline B1902 with flange and the straight pipeline C1903 with flange are welded together. In the prior art, when the pipeline A1901 with flange and the pipeline B1902 with flange are welded, there is no special positioning device, which affects the welding precision and further ensures the product quality. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of hydraulic pipeline auxiliary welding device, simple structure, convenient to use, the position of straight pipeline A with flange and curved pipeline B with flange can be positioned quickly, welding precision is guaranteed, and further ensure product quality, to solve the problems raised in the above background technique.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of hydraulic pipeline auxiliary welding device, including bottom plate, first pedestal is connected on bottom plate, first pedestal top is equipped with clamping block, first lifting device drives clamping block to approach or away from first pedestal;The bottom plate of the one end of first pedestal is slidably connected with slider, and driving device is driven and connected to slider;Second pedestal is connected on slider, second lifting device is connected on the slider of second pedestal side, and pressure head is connected on second lifting device.

[0007] Further improvement scheme of the utility model is that first pedestal is equipped with first recess of arc shape, second pedestal is equipped with second recess of L-shaped arc shape, and one end of second recess is flush with first recess.

[0008] Further improvement scheme of the utility model is that first lifting device is first cylinder, first support is connected on bottom plate, first cylinder is vertically connected to first support, clamping block is connected to the power output end of first cylinder, and V-shaped clamping groove is arranged on the bottom of clamping block.

[0009] The further improved scheme of the utility model is that two guide rods are connected on the clamping block, two guide sleeves are connected on the first support, and the two guide rods are respectively slidingly matched with the two guide sleeves.

[0010] The further improved scheme of the utility model is that a linear guide rail is connected on the bottom plate, the sliding block is connected on the sliding seat of the linear guide rail, and supports are connected at the four corners of the bottom of the bottom plate.

[0011] The further improved scheme of the utility model is that the second lifting device is a second cylinder, the second cylinder is a 90-degree angle cylinder, and the pressing head is connected to the bottom end of the screw rod at one end of the rocker arm of the angle cylinder; a second support is connected to one end of the second base and the sliding block, and the second cylinder is connected to the second support.

[0012] The further improved scheme of the utility model is that the material of the pressing head is rubber, and the pressing head is in the shape of an inverted truncated cone.

[0013] The further improved scheme of the utility model is that the driving device is a third cylinder, a third support is connected on the bottom plate, the third cylinder is transversely connected to the third support, and the power output end of the third cylinder is connected to the second support.

[0014] The further improved scheme of the utility model is that a fourth cylinder is connected above one end of the sliding block close to the first base, a pressing rod is connected to the power output end of the fourth cylinder, and the pressing rod is higher than the first groove.

[0015] The utility model has the beneficial effects of:

[0016] The hydraulic pipeline auxiliary welding device has the advantages of simple structure, convenient use, fast positioning of the flat pipeline A with a flange and the curved pipeline B with a flange, ensured welding precision, and guaranteed product quality.

[0017] The hydraulic pipeline auxiliary welding device has the advantages of rubber material of the pressing head, inverted truncated cone shape of the pressing head, guaranteed pressing of the curved pipeline B, and no damage to the flange end face of the curved pipeline B.

[0018] The hydraulic pipeline auxiliary welding device has the advantages of the fourth cylinder connected above one end of the sliding block close to the first base, the pressing rod connected to the power output end of the fourth cylinder, and the bottom end of the curved pipeline B prevented from being tilted. DRAWINGS

[0019] Figure 1 It is a structure schematic view of the F-type hydraulic pipeline.

[0020] Figure 2 It is a structure exploded view of the F-type hydraulic pipeline.

[0021] Figure 3This is a front view of the entire utility model.

[0022] Figure 4 This is a top view of the entire utility model.

[0023] Figure 5 This is a schematic diagram of the second cylinder structure of this utility model.

[0024] Figure 6 This is a schematic diagram of the working state of this utility model.

[0025] Figure 7 This is a physical image of a type F hydraulic pipeline.

[0026] In the diagram: 1-base plate, 2-first base, 3-clamping block, 4-slider, 5-second base, 501-second groove, 6-pressure head, 7-first cylinder, 8-first bracket, 9-guide rod, 10-guide sleeve, 11-linear guide rail, 12-support, 13-second cylinder, 14-second bracket, 15-third cylinder, 16-third bracket, 17-fourth cylinder, 18-pressure rod, 19-F-type hydraulic pipe, 1901-pipe A, 1902-pipe B, 1903-pipe C. Detailed Implementation

[0027] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0028] Example 1: As Figures 1-5 As shown, a hydraulic pipeline auxiliary welding device includes a base plate 1, a first base 2 connected to the base plate 1, a clamping block 3 above the first base 2, and a first lifting device driving the clamping block 3 to approach or move away from the first base 2; a slider 4 is slidably fitted on the base plate 1 at one end of the first base 2, and a driving device is driven to connect to the slider 4; a second base 5 is connected to the slider 4, a second lifting device is connected to the slider 4 on the side of the second base 5, and a pressure head 6 is connected to the second lifting device.

[0029] The first base 2 has an arc-shaped first groove, and the second base 5 has an L-shaped arc-shaped second groove 501, one end of which is flush with the first groove.

[0030] The first lifting device is a first cylinder 7. A first bracket 8 is connected to the base plate 1. The first cylinder 7 is vertically connected to the first bracket 8. The clamping block 3 is connected to the power output end of the first cylinder 7. The bottom of the clamping block 3 is provided with a V-shaped clamping groove.

[0031] Two guide rods 9 are connected to the clamping block 3, and two guide sleeves 10 are connected to the first bracket 8. The two guide rods 9 are slidably engaged with the two guide sleeves 10 respectively.

[0032] The linear guide rail 11 is connected to the bottom plate 1, the sliding block 4 is connected to the sliding seat of the linear guide rail 11, and the support 12 is connected to the four corners of the bottom of the bottom plate 1.

[0033] The second lifting device is a second cylinder 13, the second cylinder 13 is a 90-degree rotary cylinder, and the pressing head 6 is connected to the bottom end of the screw rod at one end of the rotary cylinder.

[0034] The pressing head 6 is made of rubber and has an inverted frustum shape.

[0035] The driving device is a third cylinder 15, the third support 16 is connected to the bottom plate 1, the third cylinder 15 is transversely connected to the third support 16, and the power output end of the third cylinder 15 is connected to the second support 14.

[0036] In the embodiment, the above-mentioned defects can be avoided, and specifically:

[0037] The fourth cylinder 17 is connected above one end of the sliding block 4 close to the first base 2, the power output end of the fourth cylinder 17 is connected with the pressing rod 18, and the pressing rod 18 is higher than the first groove.

[0038] In addition, the embodiment is the same as the embodiment 1, and details are not repeated here.

[0039] The specific working principle of the utility model is as follows:

[0040] As shown in the figure, Figure 6 When working, the operator places the pipeline A 1901 in the first groove on the first base 2, the first cylinder 7 is extended, and the clamp block 3 clamps the pipeline A 1901; the pipeline B 1902 is placed close to the second groove 501 on the second base 5, the second cylinder 13 is rotated and pressed down, the pressing head 6 is inserted into the hole in the flange at the top end of the pipeline B 1902; the fourth cylinder 17 is extended, and the pressing rod 18 is clamped at the top of the pipeline B 1902; then the third cylinder 15 is extended, the bottom end of the pipeline B 1902 is precisely connected with one end of the pipeline A 1901; the operator uses the welding gun to weld 2-3 welding points at the joint of the pipeline A 1901 and the pipeline B 1902, the first cylinder 7, the third cylinder 15 and the fourth cylinder 17 are retracted, the second cylinder 13 is rotated and lifted, the pipeline A 1901 and the pipeline B 1902 adhered together can be taken down and transferred to the rotary welding table to complete the subsequent welding work.

[0041] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent transformation or modification according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A hydraulic pipe auxiliary welding device, characterized by: The utility model provides a kind of first base (2) is connected on the bottom plate (1), the first base (2) is equipped with clamping block (3) above, first lifting device drives clamping block (3) to approach or away from first base (2);The bottom plate (1) of first base (2) one end is slidably connected with slider (4), driving device is driven and connected with slider (4);Second base (5) is connected on slider (4) on the side of second base (5), second lifting device is connected on slider (4) on the side of second base (5), and pressure head (6) is connected on second lifting device.

2. A hydraulic pipe auxiliary welding device according to claim 1, characterized in that: The first base (2) is provided with a first recess in the shape of a circular arc, and the second base (5) is provided with a second recess (501) in the shape of an L-shaped circular arc, one end of the second recess (501) being flush with the first recess.

3. A hydraulic pipe auxiliary welding device according to claim 1 or 2, characterized in that: The first lifting device is a first cylinder (7), a first support (8) is connected to the bottom plate (1), the first cylinder (7) is vertically connected to the first support (8), the clamping block (3) is connected to the power output end of the first cylinder (7), and the bottom of the clamping block (3) is provided with a V-shaped clamping groove.

4. A hydraulic pipe auxiliary welding device according to claim 3, characterized in that: Two guide rods (9) are connected to the clamping block (3), two guide sleeves (10) are connected to the first support (8), and the two guide rods (9) are slidably connected to the two guide sleeves (10).

5. A hydraulic pipe welding aid as defined in claim 1 wherein: A linear guide rail (11) is connected to the bottom plate (1), the slider (4) is connected to the slide seat of the linear guide rail (11), and a support (12) is connected to the four corners of the bottom of the bottom plate (1).

6. A hydraulic pipe welding aid as defined in claim 1 wherein: The second lifting device is a second cylinder (13), the second cylinder (13) is a 90° corner cylinder, and the pressure head (6) is connected to the bottom end of the screw rod at one end of the rocker arm of the corner cylinder.

7. A hydraulic pipe auxiliary welding device according to claim 1 or 6, characterized in that: The material of the pressure head (6) is rubber, and the pressure head (6) is in the shape of an inverted frustum of cone.

8. A hydraulic pipe line auxiliary welding apparatus as claimed in claim 6, wherein: The driving device is a third cylinder (15), a third support (16) is connected to the bottom plate (1), the third cylinder (15) is transversely connected to the third support (16), and the power output end of the third cylinder (15) is connected to the second support (14).

9. A hydraulic pipe line auxiliary welding apparatus as claimed in claim 2, wherein: A fourth cylinder (17) is connected above one end of the slider (4) close to the first base (2), the power output end of the fourth cylinder (17) is connected with a pressing rod (18), and the pressing rod (18) is higher than the first recess.