Pressure-resistant joint of hydraulic supply pipeline of hydraulic machine crusher

Abstract

The utility model discloses a hydraulic pressure supply pipeline pressure-resistant joint of a hydraulic machine crusher, which comprises a pressure-resistant joint body and a connecting pipeline, a thread groove is arranged on the pressure-resistant joint body, a protective shell is sleeved on the pressure-resistant joint body, the bottom end of the protective shell is in threaded connection with the thread groove, and the connecting pipeline is connected with the protective shell. A sliding plate is arranged in the protective shell, the sliding plate is in sliding connection with the protective shell, and the sliding plate is movably connected with the pressure-resistant connector body. According to the utility model, the pressure-resistant joint is firstly connected with the connecting pipeline needing to be installed, then the protective shell is rotated to move upwards, the protective shell is screwed upwards to the locking position, at the moment, the protective cover covers the connecting part of the pressure-resistant joint body and the connecting pipeline, and when oil leakage occurs at the connecting part, oil overflows from the connecting part; and when oil leaks, the oil falls on the sliding plate, the sliding plate is pressed downwards, the alarm assembly is triggered, and therefore the oil leakage situation can be found in time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of joint especially relates to a hydraulic supply pipeline pressure joint of hydraulic press crusher. BACKGROUND

[0002] Hydraulic press is a kind of mechanical equipment using liquid static pressure to transmit energy, mainly by hydraulic cylinder, pump station, control valve and pipeline system.Its working principle is based on Pascal's law, and mechanical energy is converted into liquid pressure energy by hydraulic pump, to drive hydraulic cylinder to realize linear or rotary motion.Hydraulic press has the characteristics of large output force, stable movement, high control precision, etc., and is widely used in metal forming, plastic processing, powder metallurgy and other fields, especially in large forging and pressing equipment.

[0003] Hydraulic press pipeline joint is the key component connecting various components in the hydraulic system, responsible for ensuring the sealed transmission of high-pressure liquid, and the traditional joint adopts thread or flange connection, which has problems such as complex installation and easy leakage.With the development of high pressure and integration of hydraulic system, quick plug-in joint and self-sealing joint gradually become mainstream, which realizes quick disassembly and reliable sealing through conical surface sealing or O-ring structure, significantly improving the maintenance efficiency and operation reliability of hydraulic system.

[0004] Patent document CN202302459U discloses a pipeline joint device, belonging to the technical field of machinery, which solves the problem of inconvenient installation and disassembly of the existing pipeline joint device.The pipeline joint device includes a pipe joint, a hard pipe connected to the pipe joint, and a clamp provided on the pipe joint.The pipe joint includes a pipe body and a pipeline joint provided at one end of the pipe body.The pipe body has a first channel penetrating the pipe body, the hard pipe has a second channel penetrating the hard pipe, and the inner periphery of the pipeline joint and the outer periphery of the pipe body form an annular accommodation space.The two sides of the pipeline joint are respectively provided with a through groove penetrating the pipeline joint and communicating with the accommodation space.The hard pipe near the pipe joint end protrudes outwardly and has a boss.When the pipe joint is connected to the hard pipe, the pipe body near the hard pipe end extends into the second channel, the hard pipe near the pipe joint end extends into the accommodation space, and the two ends of the clamp pass through the through groove and are clamped on the outside of the boss.The pipeline joint device not only can be quickly disassembled, but also improves the work efficiency.

[0005] In the prior art of the above patent, the hydraulic supply pipeline of the hydraulic press may leak oil after being used for a long time, and if the oil leakage is not discovered and treated in time, it will cause damage to the hydraulic press, and the supply pipeline and the pressure joint are generally located in a hidden position and are not easy to find. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a hydraulic supply pipeline pressure joint of hydraulic press crusher to solve the above problems in the prior art.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: A kind of hydraulic supply line pressure joint of hydraulic press crusher, including pressure joint body and connecting pipeline, the threaded groove is opened on the pressure joint body, the protective shell is sleeved on the pressure joint body, the bottom of the protective shell is threadedly connected with threaded groove, the inside of the protective shell is provided with sliding plate, the sliding plate is slidably connected with protective shell, the sliding plate is movably connected with pressure joint body, spring is arranged between the sliding plate and the bottom wall of the inside of protective shell, alarm assembly is arranged below the sliding plate.

[0008] As further description of the above technical solution: the top of the protective shell is slidably connected with connecting pipeline and is provided with sealing ring.

[0009] As further description of the above technical solution: the alarm assembly includes micro power supply fixedly installed in the inside of protective shell, alarm device body is fixedly installed on the side wall of the protective shell, the positive and negative poles of the micro power supply are provided with first lead and second lead respectively, the second lead is intermittently arranged, two conductive plates are arranged between the second lead, trigger block is fixedly installed on the bottom end of the sliding plate, the trigger block is arranged directly above two conductive plates, and the width of the trigger block and the interval of two conductive plates are consistent.

[0010] As further description of the above technical solution: insulation part is arranged between the trigger block and the sliding plate.

[0011] As further description of the above technical solution: drainage tube is communicatedly installed on the side wall of the protective shell, and the drainage tube is arranged directly below the initial position of the sliding plate.

[0012] The utility model provides a kind of hydraulic supply line pressure joint of hydraulic press crusher.It has the following beneficial effects: the utility model first connects pressure joint with the connecting pipeline required to be installed, then by rotating protective shell, so that protective shell moves upwards, the protective shell is tightened to locking position upwards, at this time, protective cover is arranged in the connecting place of pressure joint body and connecting pipeline, when the connecting place leaks oil, oil spills from the connecting place, and oil falls on the sliding plate, presses the sliding plate downwards, triggers alarm assembly, so that oil leakage situation can be found in time.

[0013] It should be understood that the foregoing general description and the following detailed description are merely exemplary and explanatory, rather than intended to limit the present disclosure.

[0014] The present application provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A whole three-dimensional structure schematic view of a hydraulic supply pipeline pressure joint of a hydraulic machine crusher is provided in the utility model.

[0016] Figure 2 A three-dimensional structure schematic view of another view of the utility model is provided.

[0017] Figure 3 A sectional structure schematic view of the utility model is provided.

[0018] Figure 4 A whole three-dimensional structure schematic view of a hydraulic supply pipeline pressure joint of a hydraulic machine crusher is provided in the utility model. Figure 3 An A enlarged structure schematic view of the utility model.

[0019] Legend:

[0020] 1, pressure joint body; 2, connecting pipeline; 3, thread groove; 4, protective shell; 5, sealing ring; 6, sliding plate; 7, spring; 8, drainage pipe; 9, micro power supply; 10, alarm device body; 11, first wire; 12, second wire; 13, conductive plate; 14, trigger block; 15, insulating part. Specific implementation

[0021] 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.

[0022] Referring to Figures 1-4 A hydraulic supply pipeline pressure joint of a hydraulic machine crusher, comprising a pressure joint body 1 and a connecting pipeline 2, a thread groove 3 is formed in the pressure joint body 1, a protective shell 4 is sleeved on the pressure joint body 1, the bottom end of the protective shell 4 is threadedly connected with the thread groove 3, a sliding plate 6 is arranged in the protective shell 4, the sliding plate 6 is slidably connected with the protective shell 4, the sliding plate 6 is movably connected with the pressure joint body 1, a spring 7 is arranged between the sliding plate 6 and the bottom wall in the protective shell 4, and an alarm assembly is arranged below the sliding plate 6; first, the pressure joint is connected with the required connecting pipeline 2, then the protective shell 4 is rotated to move upward, the protective shell 4 is screwed to the locking position, at this time, the protective shell is arranged at the connecting position of the pressure joint body 1 and the connecting pipeline 2, when the connecting position leaks, the oil overflows from the connecting position, the oil falls on the sliding plate 6, the sliding plate 6 is pressed downward, and the alarm assembly is triggered, so that the oil leakage can be found in time.

[0023] As the preferred technical scheme of the embodiment, the top end of the protective shell 4 is in sliding connection with the connecting pipeline 2 and is provided with a sealing ring 5; the sealing ring 5 is arranged to increase the sealing performance between the top end of the protective shell 4 and the connecting pipeline 2.

[0024] As the preferred technical scheme of the embodiment, the alarm component comprises a micro power supply 9 fixedly installed inside the protective shell 4, the sidewall of the protective shell 4 is fixedly installed with a warning device body 10, the positive and negative poles of the micro power supply 9 are respectively provided with a first lead wire 11 and a second lead wire 12, the second lead wire 12 is arranged in an intermittent manner, two conductive plates 13 are arranged between the second lead wires 12, the bottom end of the sliding plate 6 is fixedly installed with a trigger block 14, the trigger block 14 is arranged directly above the two conductive plates 13, and the width of the trigger block 14 is consistent with the interval of the two conductive plates 13; when the oil liquid presses the sliding plate 6 downward, the sliding plate 6 compresses the spring 7 downward, when the trigger block 14 below the sliding plate 6 is clamped between the two conductive plates 13, a path is formed between the first lead wire 11, the second lead wire 12, the micro power supply 9 and the warning device body 10, that is, the micro power supply 9 can supply power to the warning device body 10, so that the warning device body 10 is started to alarm.

[0025] As the preferred technical scheme of the embodiment, an insulating part 15 is arranged between the trigger block 14 and the sliding plate 6; the insulating part 15 can realize the insulation performance between the trigger block 14 and the sliding plate 6, and prevent the current from being led out to other places.

[0026] As the preferred technical scheme of the embodiment, the sidewall of the protective shell 4 is in communication with a drainage tube 8, and the drainage tube 8 is arranged directly below the initial position of the sliding plate 6; the drainage tube 8 can drain the oil liquid falling above the sliding plate 6 through the drainage tube 8.

[0027] The above is only the preferred specific implementation 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 hydraulic supply line pressure-resistant joint of a hydraulic press crusher, comprising a pressure-resistant joint body (1) and a connecting pipe (2), characterized in that, The threaded groove (3) is arranged on the pressure joint body (1), the protective shell (4) is arranged on the pressure joint body (1), the bottom end of the protective shell (4) is threadedly connected with the threaded groove (3), the sliding plate (6) is arranged in the protective shell (4), the sliding plate (6) is slidably connected with the protective shell (4), the sliding plate (6) is movably connected with the pressure joint body (1), the spring (7) is arranged between the sliding plate (6) and the bottom wall in the protective shell (4), and the alarm assembly is arranged below the sliding plate (6).

2. A hydraulic supply line pressure port joint for a hydraulic press crusher as claimed in claim 1, characterised in that, The top end of the protective shell (4) is slidably connected with the connecting pipeline (2) and is provided with the sealing ring (5).

3. A hydraulic supply line pressure port joint for a hydraulic press crusher as defined in claim 1, characterized by The alarm assembly comprises a micro power supply (9) fixedly installed in the protective shell (4), a warning device body (10) fixedly installed on the side wall of the protective shell (4), a first lead wire (11) and a second lead wire (12) arranged at the positive electrode and the negative electrode of the micro power supply (9) respectively, two conductive plates (13) arranged between the second lead wires (12), a trigger block (14) fixedly installed at the bottom end of the sliding plate (6), and the trigger block (14) is arranged directly above the two conductive plates (13) and has a width consistent with the interval of the two conductive plates (13).

4. A hydraulic supply line pressure port according to claim 3, characterised in that, The trigger block (14) and the sliding plate (6) are provided with an insulation part (15).

5. A hydraulic supply line pressure port joint for a hydraulic press crusher as defined in claim 1, wherein The side wall of the protective shell (4) is communicated with the drainage tube (8), and the drainage tube (8) is arranged directly below the initial position of the sliding plate (6). The top end of the protective shell (4) is slidably connected with the connecting pipeline (2) and is provided with the sealing ring (5).

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