CN219328573U

CN219328573U - Dry test equipment for tightness of oil cooler

Info

Publication number: CN219328573U
Application number: CN202222884300.3U
Authority: CN
Inventors: 高桂风; 高德勇; 冯恒财; 冯军
Original assignee: Liaocheng Venos Machinery Co ltd
Current assignee: Liaocheng Venos Machinery Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-07-11
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to the technical field of oil cooler tightness dry test, in particular to oil cooler tightness dry test equipment. The hydraulic pump is connected with a cushion block fixed connection of one end of the outer side of the pressing outer cover, two high-pressure pipelines which are communicated with the outside are arranged at the bottom of the bottom plate, a leakage detection pipeline is arranged at the bottom of the bottom plate and between the pressing outer cover and the oil cooler, a pressure detector is arranged at one end of the bottom of the leakage detection pipeline, a sealing ring is arranged, a closed cavity is formed between the pressing outer covers on two sides, air leakage is prevented, a pressing mechanism is formed by a pressing pad, a hinge and a pressing spring which are arranged on the inner wall of the pressing outer cover, and the oil cooler is fixed between the pressing outer covers on two sides.

Description

Dry test equipment for tightness of oil cooler

Technical Field

The utility model relates to the technical field of oil cooler tightness dry test, in particular to oil cooler tightness dry test equipment.

Background

Tightness is a key characteristic of oil coolers, and tightness test is one of key procedures for production of oil coolers. The tightness test of the oil cooler can use compressed air-water test leakage detection, compressed air dry test leakage detection, helium gas leakage detection and the like. The compressed air-water test leakage detection is to fill compressed air with a certain pressure in an oil cooler, immerse the whole product in water, observe the bubbling out and determine whether leakage occurs, and has the defects that misjudgment is likely to occur by manpower, drying is needed subsequently, efficiency is low and operation is complex. The compressed air dry test leak detection is to charge compressed air in the oil cooler, and then to adopt the sensor to sense the pressure change to judge whether the product is leaked or not, so as to realize the automatic operation.

The existing dry test has some defects, mainly the easy air leakage of test equipment and the imperfect protection and fixation of a condenser.

Disclosure of Invention

The utility model aims to provide dry test equipment for sealing of an oil cooler, so as to solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides oil cooler tightness dry test equipment, which comprises a bottom plate, wherein the bottom plate is supported by a plurality of supporting seats positioned at two sides of the bottom, supporting rods are respectively arranged at two sides of the top of the bottom plate, compression outer covers are arranged at two ends of the inner side of each supporting rod, the compression outer covers are connected with the supporting rods through moving rods, hydraulic pumps which move left and right are arranged in the moving rods, the hydraulic pumps are fixedly connected with cushion blocks at one end of the outer side of the compression outer cover, two high-pressure pipelines which are communicated with the outside are arranged at the bottom of the bottom plate, leakage detection pipelines are arranged at the bottom of the bottom plate and between the compression outer cover and an oil cooler, and a pressure measuring device is arranged at one end of the bottom of each leakage detection pipeline.

The working principle is as follows: the hydraulic pump in the movable rod is electrified, the hydraulic pump starts to work, then the hydraulic pump pulls the compression pads at two sides to move outwards respectively, then the oil cooling box to be detected is placed in the compression pads, the air inlet hole of the oil cooling box to be detected is connected with two high-pressure pipelines at the bottom of the bottom plate, the compression pads at two sides are moved inwards to be attached, compressed gas is introduced into the two high-pressure pipelines, pressure values are displayed on the pressure measurer according to the gas exhausted from the leakage detection pipeline, and therefore the tightness of the detection equipment is measured.

As a further improvement of the technical scheme, the top of the bottom plate is provided with an inward concave groove.

As a further improvement of the technical scheme, a sealing ring is attached to one end surface of the outer side of the pressing outer cover.

As a further improvement of the technical scheme, the two ends of the inner side of the compression outer cover are fixedly connected with compression pads, the two sides of the compression pads are movably connected through hinges, and the hinges are fixedly connected through compression springs.

As a further improvement of the technical scheme, two air receiving holes are formed in the bottom of the oil cooling box.

Compared with the prior art, the utility model has the beneficial effects that:

through the sealing washer that sets up, form airtight cavity between compressing tightly the dustcoat with both sides, prevent gas leakage, compress tightly the tight pad, hinge and the tight spring that set up at the dustcoat inner wall and form hold-down mechanism, fix the oil cooler bin between the dustcoat is compressed tightly to both sides, still have the buffering guard action simultaneously.

Drawings

FIG. 1 is a schematic overall structure of embodiment 1;

FIG. 2 is a schematic view showing the cross-sectional structure of the base plate and the pressing cover of example 1;

FIG. 3 is a schematic view showing the sectional structure of an oil cooler in example 1;

fig. 4 is a schematic sectional view of the support rod of embodiment 1.

The meaning of each reference sign in the figure is:

100. a bottom plate; 101. a support base; 110. a support rod; 120. a moving rod; 130. a cushion block;

210. a seal ring;

300. a compression pad; 310. a hinge; 320. a compression spring; 330. pressing outer cover

40. A groove;

60. a high pressure line;

70. leak detection pipelines; 71. a pressure gauge;

80. a hydraulic pump.

500. An oil cooling tank; 510. and a gas hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

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", "clockwise", "counterclockwise", 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 apparatus or elements 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.

Example 1

Referring to fig. 1-4, the embodiment provides an oil cooler leak tightness dry test device, which comprises a bottom plate 100, wherein the bottom plate 100 is supported by a plurality of supporting seats 101 positioned at two sides of the bottom, in order to provide good support, two supporting rods 110 are respectively arranged at two sides of the top of the bottom plate 100, two pressing outer covers 330 are arranged at two ends of the inner side of the supporting rods 110, the pressing outer covers 330 and the supporting rods 110 are closed to form a closed cavity, the pressing outer covers 330 are connected with the supporting rods 110 through moving rods 120, a hydraulic pump 80 moving left and right is arranged in the moving rods 120, the hydraulic pump 80 is fixedly connected with a cushion block 130 at one end of the outer side of the pressing outer cover 330, in addition, two high-pressure pipelines 60 communicated with the outside are arranged at the bottom of the bottom plate 100, a leak detection pipeline 70 is arranged between the pressing outer covers 330 and an oil cooler 500, and a pressure measuring device 71 is arranged at one end of the bottom of the leak detection pipeline 70, and the air tightness of the device can be detected through the arrangement of the structure.

The working principle is as follows: firstly, the hydraulic pump 80 in the movable rod 120 is electrified, the hydraulic pump 80 starts to work, then the hydraulic pump 80 pulls the two side compression pads 300 to move outwards respectively, then the oil cooling box 500 to be detected is placed in the compression pads 300, the air inlet of the oil cooling box 500 to be detected is connected with the two high-pressure pipelines 60 at the bottom of the bottom plate 100, the two side compression pads 300 are moved inwards to be attached, compressed gas is introduced into the two high-pressure pipelines 60, and the pressure value is displayed on the pressure gauge 71 according to the gas exhausted by the leakage detection pipeline 70, so that the tightness of the detection equipment is measured.

Specifically, considering the lack of fixation when the oil cooler 500 is placed inside the pressing housing 330, an inwardly recessed groove 40 is formed at the top of the bottom plate 100, so that the oil cooler 500 is easily fixed.

In order to prevent leakage of the internal gas when the pressing cover 330 is attached to both sides, the sealing ring 210 is attached to one end surface of the outside of the pressing cover 330, and a closed cavity is formed inside when the pressing cover 330 is attached to both sides.

Secondly, be located and compress tightly the equal fixedly connected with of the inboard both ends of dustcoat 330 and compress tightly and fill up 300, compress tightly and fill up 300 through hinge 310 swing joint between the both sides, compress tightly through compression spring 320 fixed connection between the hinge 310, adopt the purpose of this structure to: the oil cooling tank 500 is prevented from being directly contacted with the oil cooling tank 500 during the fixation, and the oil cooling tank 500 is damaged, so that the protection and buffering effects are achieved.

In addition, in order to facilitate the introduction of compressed gas into the inside, two gas receiving holes 510 for gas intake are formed at the bottom of the oil cooling tank 500.

When the oil cooler tightness dry test device in this embodiment is specifically used, firstly, the hydraulic pump 80 in the movable rod 120 is electrified, the hydraulic pump 80 starts to work, then the hydraulic pump 80 pulls the two side pressing outer covers 330 to move outwards respectively, then the oil cooler 500 to be detected is placed into the pressing outer covers 330, the air inlet hole of the oil cooler 500 to be detected is connected with two high-pressure pipelines 60 at the bottom of the bottom plate 100, the two side pressing outer covers 330 are moved inwards to be tightly attached to the sealing ring 210, meanwhile, the pressing pad 300 on one side of the inner wall of the pressing outer cover 330 is contacted with the oil cooler 500, a certain buffer effect is achieved when the pressing pad 300 on one side is attached to the pressing outer cover 330 through the original elasticity of the hinge 310 and the pressing spring 320, the oil cooler 500 is protected and fixed, then a closed cavity is formed on the inner wall of the pressing outer cover 330, compressed air is introduced into the two high-pressure pipelines 60, the pressure value is displayed on the pressure measuring device 71 according to the air discharged from the pipeline 70, and the tightness of the detection device is measured.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Oil cooler leakproofness dry test equipment, including bottom plate (100), its characterized in that: bottom plate (100) are supported through a plurality of supporting seats (101) that are located bottom both sides, bottom plate (100) top both sides are equipped with bracing piece (110) respectively, bracing piece (110) inboard both ends are equipped with and compress tightly dustcoat (330), compress tightly and be connected through movable rod (120) between dustcoat (330) and bracing piece (110), movable rod (120) inside is equipped with hydraulic pump (80) of controlling, hydraulic pump (80) with compress tightly cushion (130) fixed connection of dustcoat (330) outside one end, two outside high-pressure line (60) of intercommunication have been seted up to bottom plate (100) bottom, leak hunting pipeline (70) have been seted up between bottom plate (100) bottom and being located and compress tightly dustcoat (330) and oil cooler (500), pressure measurement ware (71) are installed to leak hunting pipeline (70) bottom one end.

2. The oil cooler leak tightness dry test apparatus as set forth in claim 1, wherein: the top of the bottom plate (100) is provided with an inward concave groove (40).

3. The oil cooler leak tightness dry test apparatus as set forth in claim 1, wherein: and a sealing ring (210) is attached to the surface of one end of the outer side of the pressing outer cover (330).

4. The oil cooler leak tightness dry test apparatus as set forth in claim 1, wherein: the two ends of the inner side of the pressing outer cover (330) are fixedly connected with pressing pads (300), the two sides of the pressing pads (300) are movably connected through hinges (310), and the hinges (310) are fixedly connected through pressing springs (320).

5. The oil cooler leak tightness dry test apparatus as set forth in claim 1, wherein: two air receiving holes (510) are formed in the bottom of the oil cooling box (500).