CN219062397U

CN219062397U - Transmission circulation system with pressure relief device

Info

Publication number: CN219062397U
Application number: CN202222712980.0U
Authority: CN
Inventors: 龙洪; 李卓; 王锦华; 卢明春
Original assignee: Jiangsu Zhuoyue Intelligent Engineering Co ltd
Current assignee: Jiangsu Zhuoyue Intelligent Engineering Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-05-23
Anticipated expiration: 2032-10-14

Abstract

The utility model relates to a transmission circulation system with a pressure relief device, which comprises a fixed plate, wherein a plate heat exchanger is arranged on one side of the fixed plate, the plate heat exchanger is provided with an oil inlet pipeline and an oil outlet pipeline, the end part of the oil inlet pipeline is provided with an oil inlet, and an oil pump is arranged on the oil inlet pipeline. According to the utility model, oil is pumped into the oil inlet pipeline from the oil inlet through the oil pump, then cooled and subjected to heat exchange through the plate heat exchanger, flows out of the liquid outlet pipeline to the liquid outlet, when the oil flows on the liquid outlet pipeline, the pressure in the liquid outlet pipeline is detected through the pressure transmitter, when the pressure is overlarge, the oil flows into the valve body from the liquid inlet, the valve core is extruded to open the communication part of the oil outlet pipeline and the oil inlet pipeline, the oil is discharged into the oil inlet pipeline from the oil outlet pipeline again through the pipeline, and after the pressure in the oil outlet pipeline is recovered, the valve core is reset through the first spring again to close the oil outlet pipeline again, so that pressure relief is completed, the pipeline pressure and the instrument are ensured to be stable, and more energy is saved, and the service life of each part of a user is ensured.

Description

Transmission circulation system with pressure relief device

Technical Field

The utility model relates to the technical field of pressure relief valve devices, in particular to a transmission circulation system with a pressure relief device.

Background

The circulation system device is used for cooling and lubricating the inside of the double-screw reduction transmission case, so that the oil in the double-screw reduction transmission case and the case body are kept at a constant temperature in a section, and the double-screw reduction transmission case can effectively work for a long time, and the efficiency is increased.

The circulation device is used in the market at present, and the structure of the circulation device has some defects, wherein when the transmission case is started, the oil pressure overload condition can occur, particularly the weather change is large, the condition is more obvious, and the service lives of the circulation system pipeline and the instrument are easy to reduce.

Disclosure of Invention

The utility model aims to provide a transmission circulation system with a pressure relief device so as to solve the problems.

In order to solve the technical problems, the utility model provides a transmission circulation system with a pressure relief device, which comprises a fixed plate, wherein a plate heat exchanger is arranged on one side of the fixed plate, the plate heat exchanger is provided with an oil inlet pipeline and an oil outlet pipeline, the end part of the oil inlet pipeline is provided with an oil inlet, the oil inlet pipeline is provided with an oil pump, the end part of the oil outlet pipeline is provided with an oil outlet, and the oil outlet pipeline is provided with a pressure transmitter and a pressure relief valve assembly; the pressure relief valve assembly comprises a valve body arranged on the oil outlet pipeline, a valve core and an adjusting assembly, wherein the valve core and the adjusting assembly are arranged in the valve body, a liquid inlet pipe is arranged on one side of the valve body, a liquid outlet pipe is arranged at the bottom of the valve body, the liquid outlet pipe is communicated with the oil inlet pipeline, a storage groove is arranged at one end of the valve core, a first spring is arranged between the storage groove and the bottom wall of the liquid inlet pipe, the liquid outlet pipe is communicated with the liquid inlet pipe, and when the pressure relief valve assembly is in an initial position, the valve core blocks the communication position of the liquid inlet pipe and the liquid outlet pipe; when the pressure of the oil inlet pipeline exceeds a preset value, the oil extrudes the valve core to open the liquid outlet pipe, and the oil is discharged into the oil inlet pipeline again.

Further, a first branch pipe is arranged at the bottom of the liquid inlet pipe, an adjusting cavity is arranged at one end of the first branch pipe, a second branch pipe is arranged at one side of the adjusting cavity, and the outlet end of the second branch pipe is positioned on the inner side wall of the liquid outlet pipe.

Further, a third branch pipe is arranged at the other end of the valve core, and the third branch pipe is communicated with the storage tank.

Further, the adjusting assembly comprises an adjusting rod arranged in the adjusting cavity and an end socket fixed at the end part of the adjusting rod, and a second spring is arranged on the adjusting rod.

Further, a screw hole is formed in the bottom of the valve body, the adjusting rod penetrates through the screw hole and is inserted into the adjusting cavity, and the adjusting rod is in threaded connection with the screw hole.

Further, a temperature transmitter is installed on the oil inlet pipeline and is located between the oil inlet and the oil pump.

Further, a common thermometer is installed on one side of the pressure transmitter, a flowmeter is installed on the other side of the pressure transmitter, a differential pressure transmitter is installed on one side of the flowmeter, and a fine filter is installed at the bottom of the differential pressure transmitter.

The transmission circulation system with the pressure relief device has the advantages that oil is pumped into the oil inlet pipeline through the oil pump, then flows out of the liquid outlet pipeline to the liquid outlet port after being cooled and heat exchanged through the plate heat exchanger, when the oil flows on the liquid outlet pipeline, the pressure in the liquid outlet pipeline is detected through the pressure transmitter, then when the pressure is overlarge, the oil flows into the valve body from the liquid inlet port, the valve core is extruded to open the communicating part of the oil outlet pipeline and the oil inlet pipeline, the oil is discharged into the oil inlet pipeline again from the oil outlet pipeline through the pipeline, and after the pressure in the oil outlet pipeline is restored, the valve core is closed again through the first spring reset to finish pressure relief, so that the pipeline pressure and the instrument are ensured to be stable, the energy is saved, and the service life of each part of a user is ensured.

When the relief valve can not carry out automatic pressure release, need carry out manual pressure release, guarantee stable pressure release, rotate the regulation pole through having the hand, the head is with the first branch pipe and adjust the intercommunication department shutoff between the chamber when the initial position, drives behind the regulation pole and opens first branch pipe and the regulation chamber intercommunication department, then fluid enters into the second branch pipe and flows from the second branch pipe through adjusting the chamber to reach manual pressure release.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a perspective view of a preferred embodiment of a transmission circulation system with pressure relief device of the present utility model;

FIG. 2 is a perspective view of a preferred embodiment of the pressure relief valve assembly of the present utility model;

fig. 3 is a cross-sectional view of a preferred embodiment of the pressure relief valve assembly of the present utility model.

In the figure:

1. a fixing plate;

2. a plate heat exchanger;

3. an oil inlet pipe; 22. an oil inlet; 23. an oil pump; 24. a temperature transmitter; 25. a flow meter; 26. a differential pressure transmitter; 27. fine filter;

4. an oil outlet pipeline; 41. an oil outlet;

5. a pressure transmitter;

6. a pressure relief valve assembly; 61. a valve body; 62. a valve core; 63. an adjustment assembly; 631. an adjusting rod; 632. a seal head; 633. a second spring; 634. a screw hole; 64. a liquid inlet pipe; 65. a liquid outlet pipe; 66. a storage tank; 67. a first spring; 68. a first branch pipe; 69. a regulating chamber; 610. a second branch pipe; 611. and a third branch pipe.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. On the contrary, the embodiments of the utility model include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

As shown in fig. 1 to 3, the utility model provides a transmission circulation system with a pressure relief device, which comprises a fixed plate 1, wherein a plate heat exchanger 2 is arranged on one side of the fixed plate 1, the plate heat exchanger 2 is provided with an oil inlet pipeline 3 and an oil outlet pipeline 4, the end part of the oil inlet pipeline 3 is provided with an oil inlet 22, an oil pump 23 is arranged on the oil inlet pipeline 3, the end part of the oil outlet pipeline 4 is provided with an oil outlet 41, and a pressure transmitter 5 and a pressure relief valve assembly 6 are arranged on the oil outlet pipeline 4; the pressure release valve assembly 6 comprises a valve body 61 arranged on the oil outlet pipeline 4, a valve core 62 arranged in the valve body 61 and an adjusting assembly 63, wherein a liquid inlet pipe 64 is arranged on one side of the valve body 61, a liquid outlet pipe 65 is arranged at the bottom of the valve body 61, the liquid outlet pipe 65 is communicated with the oil inlet pipeline 3, a storage groove 66 is arranged at one end of the valve core 62, a first spring 67 is arranged between the storage groove 66 and the bottom wall of the liquid inlet pipe 64, the liquid outlet pipe 65 is communicated with the liquid inlet pipe 64, and the valve core 62 blocks the communication part between the liquid inlet pipe 64 and the liquid outlet pipe 65 when in an initial position; when the pressure of the oil inlet pipe 3 exceeds a predetermined value, the oil presses the valve core 62 to open the liquid outlet pipe 65, and the oil is discharged again into the oil inlet pipe 3.

Oil is pumped into an oil inlet pipeline through an oil pump 23, then is introduced into the plate heat exchanger 2, flows out to a liquid outlet through a liquid outlet pipe 65 after cooling and heat exchange, and when the liquid outlet pipe 65 circulates, the pressure in the liquid outlet pipe 65 is detected through a pressure transmitter 5, then when the pressure is overlarge, the oil flows into a valve body 61 from the liquid inlet, an oil outlet pipe and the oil inlet pipe are communicated by a valve core 62 to be opened, the oil is discharged into the oil inlet pipeline 3 from the oil outlet through a pipeline again, after the pressure in the oil outlet pipeline 4 is recovered, the valve core 62 is reset again through a first spring 67 to close the oil outlet pipe again, pressure relief is completed, so that pipeline pressure and instrument stability are ensured, energy is saved, and the service life of each part is ensured.

The first branch pipe 68 has been seted up to the pipe bottom of feed liquor pipe 64, regulation chamber 69 is installed to the one end of first branch pipe 68, the second branch pipe 610 is installed to one side of regulation chamber 69, the exit end of second branch pipe 610 is located the inside wall of drain pipe 65, the third branch pipe 611 has been seted up to the other end of case 62, third branch pipe 611 communicates with storage tank 66, regulation subassembly 63 includes the regulation pole 631 of installing in regulation chamber 69 and fixes the head 632 at regulation pole 631 tip, the internal diameter of regulation chamber 69 reduces from the top down gradually, regulation chamber 69 sets up with first branch pipe 68 and second branch pipe 610 mutually perpendicular, first branch pipe 68 and second branch pipe 610 are parallel arrangement each other, install second spring 633 on the regulation pole 631, screw 634 has been seted up to the bottom of valve body 61 body, regulation pole 631 passes screw 634 and inserts regulation chamber 69 inside, regulation pole 631 and screw 634 threaded connection.

When the pressure release valve can not carry out automatic pressure release, the pressure release valve needs to be manually released, stable pressure release is guaranteed, the seal head 632 seals the communication part between the first branch pipe 68 and the adjusting cavity 69 when the adjusting rod 631 rotates by hand at the initial position, the adjusting rod 631 moves downwards and then drives the communication part between the first branch pipe 68 and the adjusting cavity 69 to be opened, and then oil enters the second branch pipe 610 through the adjusting cavity 69 and flows out of the second branch pipe 610, so that the manual pressure release is achieved.

The oil inlet pipeline 3 is provided with a temperature transmitter 24, the temperature transmitter 24 is positioned between the oil inlet 22 and the oil pump 23, the other side of the pressure transmitter 5 is provided with a flowmeter 25, one side of the flowmeter 25 is provided with a differential pressure transmitter 26, and the bottom of the differential pressure transmitter 26 is provided with a fine filter 27.

The oil inlet pipeline 3 is provided with a temperature transmitter 24, the temperature transmitter 24 is positioned between the oil inlet 22 and the oil pump 23, the other side of the pressure transmitter 5 is provided with a flowmeter 25, one side of the flowmeter 25 is provided with a differential pressure transmitter 26, and the bottom of the differential pressure transmitter 26 is provided with a fine filter 27, and the model SP-08X25 of the fine filter 27.

The temperature of the oil liquid needing to be cooled is detected through the temperature transmitter 24, then the oil liquid flow rate on the oil inlet pipeline is detected through the flowmeter 25, and the oil liquid is filtered through the filter, wherein when the hydraulic system works, if the filter element of the fine filter 27 is blocked, the inlet and outlet pressure difference can become large, and when the pressure difference reaches a set alarm value, the differential pressure transmitter 26 transmits a signal to remind a worker to clean or replace so as to ensure the normal operation of the system.

The above-described preferred embodiments according to the present utility model are intended to suggest that, in view of the above description, various changes and modifications may be made by the worker in question without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. The utility model provides a take pressure relief device's transmission circulation system, includes fixed plate (1), its characterized in that, plate heat exchanger (2) are installed to one side of fixed plate (1), plate heat exchanger (2) have oil feed pipeline (3) and play oil pipe (4), the tip of oil feed pipeline (3) is provided with oil inlet (22), install oil pump (23) on oil feed pipeline (3), play oil pipe (4) tip is provided with oil-out (41), install pressure transmitter (5) and relief valve subassembly (6) on play oil pipe (4);

the pressure relief valve assembly (6) comprises a valve body (61) arranged on the oil outlet pipeline (4) and a valve core (62) and an adjusting assembly (63) arranged inside the valve body (61), a liquid inlet pipe (64) is arranged on one side of the valve body (61), a liquid outlet pipe (65) is arranged at the bottom of the valve body (61), the liquid outlet pipe (65) is communicated with the oil inlet pipeline (3), a storage groove (66) is arranged at one end of the valve core (62), a first spring (67) is arranged between the storage groove (66) and the bottom wall of the liquid inlet pipe (64), and the liquid outlet pipe (65) is communicated with the liquid inlet pipe (64).

2. A transmission circulation system with pressure relief device as claimed in claim 1,

the liquid inlet pipe is characterized in that a first branch pipe (68) is arranged at the bottom of the liquid inlet pipe (64), an adjusting cavity (69) is arranged at one end of the first branch pipe (68), a second branch pipe (610) is arranged at one side of the adjusting cavity (69), and the outlet end of the second branch pipe (610) is positioned on the inner side wall of the liquid outlet pipe (65).

3. A transmission circulation system with pressure relief device as claimed in claim 2,

the other end of the valve core (62) is provided with a third branch pipe (611), and the third branch pipe (611) is communicated with the storage groove (66).

4. A drive circulation system with a pressure relief device as claimed in claim 3,

the adjusting assembly (63) comprises an adjusting rod (631) arranged in the adjusting cavity (69) and a sealing head (632) fixed at the end part of the adjusting rod (631), and a second spring (633) is arranged on the adjusting rod (631).

5. A transmission circulation system with pressure relief device as claimed in claim 4,

screw holes (634) are formed in the bottom of the valve body (61), the adjusting rod (631) penetrates through the screw holes (634) to be inserted into the adjusting cavity (69), and the adjusting rod (631) is in threaded connection with the screw holes (634).

6. A drive circulation system with a pressure relief device as claimed in claim 5,

the oil inlet pipeline (3) is provided with a temperature transmitter (24), and the temperature transmitter (24) is positioned between the oil inlet (22) and the oil pump (23).

7. A drive circulation system with a pressure relief device as claimed in claim 6,

a common thermometer is arranged on one side of the pressure transmitter (5), a flowmeter (25) is arranged on the other side of the pressure transmitter (5), a differential pressure transmitter (26) is arranged on one side of the flowmeter (25), and a fine filter (27) is arranged at the bottom of the differential pressure transmitter (26).