Balance shaft housing air leakage detection equipment

Abstract

The utility model relates to the technical field of air tightness detection, in particular to balance shaft housing air leakage detection equipment, which comprises a water tank, a first lifting plate mounted on the water tank, a second lifting plate horizontally arranged in the water tank, a sliding rail fixedly mounted on the second lifting plate through a connecting seat, a sliding block slidably connected onto the sliding rail, and a sliding table fixed on the sliding block. The first lifting plate is fixedly connected with a second lifting plate below through a plurality of first stand columns surrounding the first oil cylinder, and an air leakage detection mechanism is installed between the first lifting plate and the second lifting plate. The first lifting plate is installed on the water tank through a lifting mechanism. The balance shaft shell does not need to be manually moved, and automatic sealing and soaking can be achieved through the sliding rails and the lifting device; the first stand column and the second stand column are both screws, the distance can be adjusted, and the device is suitable for balance shaft shells of different heights.

Description

TECHNICAL FIELD

[0001] The utility model relates to airtightness detection technical field especially relates to a balanced axle shell air leakage detection equipment. BACKGROUND

[0002] The water immersion method is one of the detection methods for detecting whether the balanced axle shell leaks air. The traditional balanced axle shell air leakage detection equipment usually relies on manual work to carry the workpiece to the detection station, which is complicated to operate and has low positioning accuracy. Human error may cause the seal to be not tight or the water immersion to be uneven, affecting the reliability of the detection result. For the water immersion detection link, most equipment lacks automatic sealing and lifting mechanisms, which is low in efficiency and has operation safety hazards.

[0003] Based on this, the utility model discloses a balanced axle shell air leakage detection equipment to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a balanced axle shell air leakage detection equipment to solve the problems in the prior art.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The balanced axle shell air leakage detection equipment comprises a water tank, a first lifting plate is installed on the water tank, a second lifting plate is horizontally arranged in the water tank, a slide rail is fixedly installed on the second lifting plate through a connecting seat, a sliding block is slidably connected to the slide rail, and a slide table is fixed to the sliding block; the first lifting plate is fixedly connected to the second lifting plate below through a plurality of first vertical columns surrounding a first oil cylinder, and an air leakage detection mechanism is installed between the first lifting plate and the second lifting plate; and the first lifting plate is installed on the water tank through a lifting mechanism.

[0007] The air leakage detection mechanism comprises an inflation disc and a supporting disc, sealing pads are fixed to the outer edges of the inflation disc and the supporting disc, the inflation disc is connected to the extension end of the first oil cylinder through a connecting head, and the supporting disc is fixed to the slide table.

[0008] An inflation passage is formed in the inflation disc, the inlet of the inflation passage is located on the upper surface of the inflation disc, the inlet is connected to an inflation pipe, and the outlet of the inflation passage is located at the center of the lower surface of the inflation disc.

[0009] The connecting head comprises a horizontally installed connecting shaft, a connecting bushing is rotatably connected to the middle part of the connecting shaft, the extension end of the first oil cylinder is fixedly connected to the connecting bushing, hinge ears are rotatably connected to the two ends of the connecting shaft, and the bottoms of the hinge ears are fixed to the upper inflation disc.

[0010] The two edges of the water tank are provided with load-bearing edges, second oil cylinders are fixed to the two sides of the water tank, the extension ends of the second oil cylinders pass through the load-bearing edges and are fixed to the first lifting plate, slide rods are installed on the two sides of the second oil cylinders, the upper ends of the slide rods are fixed to the first lifting plate, the slide rods are slidably connected to connecting ears, and the connecting ears are fixed to the wall of the water tank.

[0011] The second lifting plate is provided with a plurality of second columns at the bottom, and the bottom of the second column is provided with a pad leg.

[0012] The water tank is provided with a drain pipe at one side of the bottom, and the drain pipe is provided with a drain valve.

[0013] The first column and the second column are screw rods and are installed by bolts.

[0014] The utility model has the following beneficial effects:

[0015] The balance shaft shell does not need to be manually moved, the slide rail and the lifting device can realize automatic sealing and water immersion, the first column and the second column are screw rods, the interval can be adjusted, and the utility model is suitable for balance shaft shells with different heights. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to the drawings without creative labor.

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the whole structure schematic diagram of the utility model;

[0019] Figure 3 It is the sectional structure schematic diagram of the utility model;

[0020] Figure 4 It is the schematic diagram of the air leakage detection mechanism of the utility model.

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] 1, water tank;2, first lifting plate;3, second lifting plate;31, slide rail;32, sliding block;33, slide table;34, connecting seat;35, second column;36, pad leg;4, inflation disc;5, supporting tray;6, sealing pad;7, connecting head;8, inflation pipe;9, connecting shaft;10, connecting bush;11, bearing edge;112, limiting pad;12, hinge lug;13, second oil cylinder;14, slide rod;15, connecting lug 16, drain pipe;17, drain valve;21, first oil cylinder;22, first column. DETAILED DESCRIPTION

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It should be understood that the terms "upper", "middle", "outer", "inner", "lower" etc., which indicate orientation or positional relationship, are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0024] The attached figures illustrate specific embodiments of this utility model, such as... Figures 1-4 As shown, this utility model is a balance shaft housing leakage detection device, including a water tank 1, a first lifting plate 2 installed on the water tank 1, a second lifting plate 3 horizontally arranged inside the water tank 1, a slide rail 31 fixedly installed on the second lifting plate 3 through a connecting seat 34, a slider 32 slidably connected on the slide rail 31, and a slide table 33 fixed on the slider 32; the first lifting plate 2 is fixedly connected to the second lifting plate 3 below through several first columns 22 surrounding the first oil cylinder 21, and a leakage detection mechanism is installed between the first lifting plate 2 and the second lifting plate 3; the first lifting plate 2 is installed on the water tank 1 through the lifting mechanism.

[0025] The air leakage detection mechanism includes an inflation plate 4 and a support plate 5. Both the inflation plate 4 and the support plate 5 have sealing gaskets 6 fixed on their outer edges. The inflation plate 4 is connected to the extended end of the first oil cylinder 21 through a connector 7. The support plate 5 is fixed on the slide table 33.

[0026] An inflation channel is provided inside the inflation plate 4. The inlet of the inflation channel is located on the upper surface of the inflation plate 4 and is connected to the inflation pipe 8. The outlet of the inflation channel is located at the center of the lower surface of the inflation plate 4. During testing, gas is ejected from the outlet of the inflation channel and enters the interior of the balance shaft housing. The gas pressure is used to detect whether there is a leak in the balance shaft housing.

[0027] The connector 7 includes a horizontally mounted connecting shaft 9, a connecting bushing 10 rotatably connected in the middle of the connecting shaft 9, an extension end of the first oil cylinder 21 fixedly connected above the connecting bushing 10, and hinges 12 rotatably connected at both ends of the connecting shaft 9. The bottom of the hinges 12 is fixed on the upper inflation plate 4.

[0028] The water tank 1 has bearing edges 11 on both sides, and two second hydraulic cylinders 13 are fixed on both sides of the water tank 1. The two second hydraulic cylinders 13 move synchronously. The extended end of the second hydraulic cylinder 13 passes through the bearing edge 11 and is fixed on the first lifting plate 2. Slide rods 14 are installed on both sides of the second hydraulic cylinder 13. The upper end of the slide rod 14 is fixed on the first lifting plate 2. The slide rod 14 is slidably connected to the connecting ear 15. The connecting ear 15 is fixed on the wall of the water tank 1. During the operation of the second hydraulic cylinder 13, the slide rod 14 slides in the connecting ear 15, which plays a guiding and stabilizing role, ensuring the smoothness of the up and down movement of the first lifting plate 2.

[0029] The second lifting plate 3 is provided with a plurality of second vertical columns 35 at the bottom, and the second vertical columns 35 are provided with a plurality of cushion legs 36 at the bottom.

[0030] The water tank 1 is provided with a drain pipe 16 at one side of the bottom, and the drain pipe 16 is provided with a drain valve 17.

[0031] The first vertical column 22 and the second vertical column 35 are threaded rods, and the distance between the first lifting plate 2 and the second lifting plate 3 can be adjusted by bolts.

[0032] The vertical limiting pads 112 are arranged on the bearing along 11, and are used for limiting the stroke of the first lifting plate 2.

[0033] The use method of the embodiment is as follows:

[0034] The balance shaft shell to be detected is placed on the bearing tray 5, the position is adjusted through the sliding table 33, the balance shaft shell opening is aligned with the inflation passage outlet of the inflation disc 4, the first oil cylinder 21 is started, the inflation disc 4 and the bearing tray 5 clamp the workpiece, the sealing pad 6 is pressed to cover the holes in the upper and lower end faces of the balance shaft shell, and the closed cavity is formed in the balance shaft shell. The second oil cylinder 13 is started, the first lifting plate 2 is driven to descend, the second lifting plate 3 is synchronously descended, and the balance shaft shell is submerged. The compressed air is injected into the inflation passage through the inflation pipe 8, and whether the water surface in the water tank 1 has air bubbles escaping is observed after pressure maintaining. If there is no air bubble, it is determined that the upper and lower split bodies of the balance shaft shell are closed well and have no leakage, otherwise, crack repair needs to be performed. After the detection is completed, the second oil cylinder 13 drives the two lifting plates to reset, the first oil cylinder 21 is retracted to lift the inflation disc 4, and the sliding table 33 brings the balance shaft shell back to the original position for convenient taking.

[0035] The preferred embodiments disclosed above are only used for helping to describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode.

Claims

1. Balanced axle shell air leakage detection equipment, comprising a water tank (1), a first lifting plate (2) is installed on the water tank (1), characterized in that: The second lifting plate (3) is horizontally arranged in the water tank (1), the slide rail (31) is fixedly installed on the second lifting plate (3) through the connecting seat (34), the slide block (32) is slidably connected to the slide rail (31), and the slide table (33) is fixed to the slide block (32); the first lifting plate (2) is fixedly connected to the second lifting plate (3) below through the first stand (22) surrounding the first oil cylinder (21), the air leakage detection mechanism is arranged between the first lifting plate (2) and the second lifting plate (3), and the first lifting plate (2) is arranged on the water tank (1) through the lifting mechanism.

2. The balanced shaft case gas leak detection apparatus of claim 1, wherein: The air leakage detection mechanism comprises the inflation disc (4) and the supporting disc (5), the outer edges of the inflation disc (4) and the supporting disc (5) are fixedly provided with the sealing pads (6), the inflation disc (4) is connected to the extension end of the first oil cylinder (21) through the connecting head (7), and the supporting disc (5) is fixed to the slide table (33).

3. The balanced shaft case gas leak detection apparatus of claim 2, wherein: The inflation disc (4) is provided with an inflation channel, the inlet of the inflation channel is located on the upper surface of the inflation disc (4), the inlet is connected to the inflation pipe (8), and the outlet of the inflation channel is located at the center of the lower surface of the inflation disc (4).

4. The balancer shaft case blow-by detection apparatus of claim 2, wherein: The connecting head (7) comprises the connecting shaft (9) arranged horizontally, the connecting bush (10) is rotatably connected to the middle portion of the connecting shaft (9), the extension end of the first oil cylinder (21) is fixedly connected to the upper portion of the connecting bush (10), the hinge ears (12) are rotatably connected to the two ends of the connecting shaft (9), and the bottom portions of the hinge ears (12) are fixed to the upper inflation disc (4).

5. The balancer shaft case blow-by detection apparatus of claim 1, wherein: The water tank (1) is provided with the bearing edges (11) on the two edges, the second oil cylinders (13) are fixed to the two sides of the water tank (1), the extension ends of the second oil cylinders (13) pass through the bearing edges (11) and are fixed to the first lifting plate (2), the slide rods (14) are arranged on the two sides of the second oil cylinders (13), the upper ends of the slide rods (14) are fixed to the first lifting plate (2), the connecting ears (15) are slidably connected to the slide rods (14), and the connecting ears (15) are fixed to the wall of the water tank (1).

6. The balanced shaft case gas leak detection apparatus of claim 5, wherein: The second lifting plate (3) is provided with the second stand (35) at intervals at the bottom portion.

7. The balancer shaft case blow-by detection apparatus of claim 1, wherein: The water tank (1) is provided with the drain pipe (16) on one side of the bottom portion, and the drain valve (17) is arranged on the drain pipe (16).

8. The balancer shaft case blow-by detection apparatus of claim 6, wherein: The first stand (22) and the second stand (35) are screw rods and are arranged through bolts.

9. The balancer shaft case blow-by detection apparatus of claim 5, wherein: The limiting pads (112) are vertically arranged on the bearing edges (11).

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