Lifting mechanism and snakelike pipeline bending machine

Abstract

The utility model relates to the technical field of pipe bending machines, in particular to a lifting mechanism and a serpentine pipeline bending machine. The lifting mechanism comprises a base, a partition face is formed by the side wall parallel to one end of the width direction of the base, the lifting mechanism is divided into a left half part and a right half part when the partition face coincides with the center point of the width direction of the base, hydraulic cylinders are arranged at the positions, located on the left half part and the right half part, of the base, and lifting bases are arranged at the tops of the hydraulic cylinders. The hydraulic cylinder is used for driving the lifting seat to be close to or away from the base, and connecting rod assemblies are arranged on the two sides of the base in the width direction and connected with the lifting seat and the base correspondingly. The snakelike pipeline bending machine comprises the lifting mechanism. According to the lifting mechanism, the two hydraulic cylinders are distributed on the two sides of the snakelike pipeline bending machine, so that the replacement frequency of sealing pieces of the hydraulic cylinders is reduced, the working efficiency of the snakelike pipeline bending machine is better improved, and meanwhile the use cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe bender technical field, concretely relates to a lifting mechanism and serpentine pipeline pipe bender. BACKGROUND

[0002] The serpentine pipeline pipe bender is a kind of equipment for bending serpentine pipeline, it can carry out multi-axis control, to realize the continuous bending of pipeline in three-dimensional space, and the serpentine pipeline pipe bender has lifting mechanism.

[0003] As Figure 1 As shown in the prior art serpentine pipeline pipe bender lifting mechanism base, mainly through 2 hydraulic cylinders realize jacking, 2 hydraulic cylinders are respectively located in the front and rear position of the axis of symmetry distribution in base, this distribution mode is greater in the lifting process to the wear of hydraulic cylinder, thus frequently needs to replace sealing accessory, and the influence to production progress is greater. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of lifting mechanism and serpentine pipeline pipe bender, it can overcome the certain defect or some defects of prior art.

[0005] According to the lifting mechanism provided in the utility model embodiment, it includes base, the side wall parallel to the one end of base width direction forms separation surface, when separation surface and base width direction center point coincide, the lifting mechanism is divided into left half and right half, base is located at left half and right half and is equipped with hydraulic cylinder, hydraulic cylinder top is equipped with lifting seat, hydraulic cylinder is used to drive lifting seat to be close to or away from base, base width direction both sides are equipped with connecting rod assembly, and the connecting rod assembly is connected with lifting seat and base respectively.

[0006] In the preferred embodiment of the utility model, the lifting seat includes upper support plate and lower support plate, which are arranged at intervals along the height direction, the upper support plate has two, and is arranged on the both sides of the lower support plate in the width direction, the upper support plate is provided with a guide sleeve on both sides in the length direction, the guide sleeve is in abutting cooperation with the upper support plate and the lower support plate, and the guide sleeve is arranged on the guide rod.

[0007] In the preferred embodiment of the utility model, the guide rod is provided with a mounting seat at the bottom, the connecting rod assembly includes a connecting rod shaft arranged in the length direction, the connecting rod shaft is formed with a hinged support at both ends in the length direction, and two supporting connecting rods are hinged at the hinged supports, and the two supporting connecting rods are hinged with the guide sleeves and the mounting seat close to the hinged supports respectively.

[0008] In the preferred embodiment of the utility model, the guide rod is provided with a mounting seat at the bottom, the connecting rod assembly includes a connecting rod shaft arranged in the length direction, the connecting rod shaft is formed with a hinged support at both ends in the length direction, and two supporting connecting rods are hinged at the hinged supports, and the two supporting connecting rods are hinged with the guide sleeves and the mounting seat close to the hinged supports respectively.

[0009] The mounting seat is provided with a reinforcing rib at two ends in the length direction.

[0010] The two mounting seats corresponding in the width direction are provided with a horizontal rib plate.

[0011] The two ends of the base in the length direction are provided with a pad plate, and the pad plate has the same length as the base in the width direction.

[0012] The coiled pipe bending machine provided in the embodiment of the utility model comprises the lifting mechanism.

[0013] Beneficial effects:

[0014] The lifting mechanism is arranged at the central vertical line position of the left and right sides of the coiled pipe bending machine, so that the lifting load can be uniformly distributed on the two sides of the coiled pipe bending machine, thereby solving the problem of hydraulic cylinder eccentric wear caused by the original design of unilateral stress, further reducing the replacement frequency of the hydraulic cylinder sealing element, preferably improving the working efficiency of the coiled pipe bending machine, and simultaneously reducing the use cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The lifting mechanism hydraulic cylinder distribution diagram in the background technology of the utility model;

[0016] Figure 2 The coiled pipe bending machine axial measurement structure schematic diagram in at least one embodiment of the utility model;

[0017] Figure 3 The lifting mechanism hydraulic cylinder distribution diagram in at least one embodiment of the utility model;

[0018] Figure 4 The front view structure schematic diagram of the coiled pipe bending machine in at least one embodiment of the utility model. DETAILED DESCRIPTION

[0019] As shown in Figures 2-4 The embodiment provides a coiled pipe bending machine which comprises a lifting mechanism, and the lifting mechanism comprises a base 1, the base 1 is provided with a hydraulic cylinder 2 at the left half and the right half, the hydraulic cylinder 2 is provided with a lifting seat 3 at the top, and the hydraulic cylinder 2 is used for driving the lifting seat 3 to be close to or away from the base 1.

[0020] Specifically, the two hydraulic cylinders 2 are respectively located at the vertical line position of the gravity center of the left half and the right half of the coiled pipe bending machine, so that the wear of the hydraulic cylinder 2 in the lifting process of the lifting mechanism can be effectively reduced, the replacement frequency of the oil seal of the hydraulic cylinder 2 is further reduced, the working efficiency of the coiled pipe bending machine is improved, and the use cost is simultaneously reduced.

[0021] It can be understood that the two hydraulic cylinders 2 are oil cylinders, and are controlled by a synchronization valve.

[0022] In some embodiments, the lifting seat 3 comprises upper support plates 31 and lower support plates 32 arranged in the height direction, the upper support plates 31 are two, and are arranged on both sides of the lower support plates 32 in the width direction, the upper support plates 31 are provided with guide sleeves 5 on both sides in the length direction, the guide sleeves 5 are respectively in abutting cooperation with the upper support plates 31 and the lower support plates 32, and the base 1 is provided with guide rods 6 at four corners of the top, the guide sleeves 5 are sleeved on the guide rods 6, so that the guide of the lifting seat 3 is realized.

[0023] It can be understood that the outer wall of the guide rod 6 is provided with a graphite copper sleeve, and lubricating oil is coated on the outer wall of the graphite copper sleeve before use, so as to improve the lubricity of the guide rod 6.

[0024] Further, the end of the guide rod 6 away from the base 1 is provided with a limiting column 61, and the limiting column 61 is used to limit the lifting range of the lifting seat 3, wherein the diameter of the limiting column 61 is greater than the diameter of the guide rod 6.

[0025] In some embodiments, the base 1 is provided with a connecting rod assembly 4 on both sides in the width direction, and the connecting rod assembly 4 is connected with the lifting seat 3 and the mounting seat 7 respectively.

[0026] Specifically, the bottom of the guide rod 6 is provided with a mounting seat 7, and the connecting rod assembly 4 comprises a connecting rod shaft 41 arranged in the length direction, the two ends of the connecting rod shaft 41 are respectively formed with hinged supports 411, and two supporting connecting rods 42 are hinged at the hinged supports 411, and the two supporting connecting rods 42 are hinged with the guide sleeves 5 and the mounting seat 7 close to the hinged supports 411 respectively.

[0027] The two groups of supporting connecting rods 42 hinged at the two ends of the connecting rod shaft 41 are synchronously rotated, so as to improve the lateral support of the lifting seat 3, and when the hydraulic cylinder 2 drives the lifting seat 3 to rise, the included angle of the two supporting connecting rods 42 hinged with each other increases, and vice versa, when the hydraulic cylinder 2 drives the lifting seat 3 to descend, the included angle of the two supporting connecting rods 42 hinged with each other decreases.

[0028] In some embodiments, the mounting seat 7 is provided with reinforcing ribs 71 at both ends in the length direction, so as to enhance the supporting force of the mounting seat 7 in the length direction.

[0029] In some embodiments, the mounting seat 7 is provided with a horizontal rib plate 72 between the two mounting seats 7 in the width direction, so as to further improve the supporting force of the mounting seat 7 in the width direction.

[0030] In some embodiments, the base 1 is provided with a pad 8 at both ends in the length direction of the bottom, and the pad 8 is used to lift the base 1 to avoid direct contact with the ground, so as to facilitate hoisting, wherein the pad 8 is the same in length as the base 1 in the width direction.

[0031] It is easy to understand that the person skilled in the art can combine, split, recombine, etc. the embodiments of the present application on the basis of one or several embodiments provided in the present application to obtain other embodiments, and these embodiments do not exceed the protection scope of the present application.

Claims

1. A lifting mechanism comprising a base, characterised in that, The side wall parallel to one end of the base in the width direction forms a partition surface, the lifting mechanism is divided into a left half and a right half when the partition surface coincides with the center point in the width direction of the base, the base is provided with a hydraulic cylinder at the left half and the right half, the top of the hydraulic cylinder is provided with a lifting seat, the hydraulic cylinder is used to drive the lifting seat to approach or move away from the base, and the base is provided with a connecting rod assembly on both sides in the width direction.

2. The lifting mechanism of claim 1, wherein, The lifting seat comprises upper support plates and lower support plates which are arranged at intervals in the height direction, the upper support plates are two and are arranged on both sides of the lower support plates in the width direction, the upper support plates are provided with guide sleeves on both sides in the length direction, the guide sleeves are in abutting fit with the upper support plates and the lower support plates respectively, the base is provided with guide rods at four corner positions on the top, and the guide sleeves are sleeved on the guide rods.

3. The lifting mechanism of claim 2, wherein, The bottom of the guide rod is provided with a mounting seat, the connecting rod assembly comprises a connecting rod shaft which is arranged in the length direction, the connecting rod shaft is formed with hinged supports at both ends in the length direction, and two support connecting rods are hinged at the hinged supports.

4. The lifting mechanism of claim 2, wherein, The end of the guide rod away from the base is provided with a limiting column, and the diameter of the limiting column is greater than that of the guide rod.

5. The lifting mechanism of claim 3, wherein, The mounting seat is provided with reinforcing ribs at both ends in the length direction.

6. The lifting mechanism of claim 3, wherein, Two mounting seats corresponding in the width direction are provided with a horizontal rib plate therebetween.

7. The lift mechanism of claim 1, wherein, The base is provided with a pad at both ends in the length direction on the bottom, and the pad is the same in length as the base in the width direction.

8. A serpentine pipe bender characterized by The lifting mechanism comprises any one of claims 1-7.

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