Engine diesel oil filling and leakage testing equipment

Abstract

The utility model discloses diesel oil filling and leakage testing equipment for an engine, relates to the technical field of engine testing, and solves the problem that potential safety hazards exist in existing testing equipment. The device comprises a protection box and an oil tank, the oil tank is installed in the protection box, an oil pump is arranged at the top of an inner cavity of the protection box, an oil inlet and an oil outlet of the oil pump are connected with a communicating pipe and an oil outlet pipe respectively, and one end of the communicating pipe is connected with an oil outlet of the oil tank through a flange. The top of the oil tank is further connected with an oil inlet pipe and an oil return pipe through flanges, one end of the oil inlet pipe and one end of the oil outlet pipe penetrate through the protection tank and extend to the outer side of the protection tank, and a first electromagnetic valve and a pressure gauge are sequentially arranged on the oil outlet pipe in the diesel flowing direction. A second electromagnetic valve is arranged on the oil inlet pipe, a third electromagnetic valve is arranged on the oil return pipe, and the first electromagnetic valve, the pressure gauge, the second electromagnetic valve and the third electromagnetic valve are all located in the protection box. According to the utility model, the waste of diesel oil can be effectively avoided, and the test safety is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the engine test technical field more specifically, it relates to a kind of engine diesel filling and leak testing equipment. BACKGROUND

[0002] After engine is assembled and is completed offline, all air in oil circuit system, especially common rail pipeline, need to be emptied of diesel by turning when engine is tested.And engine can be started after several times turning.While leakage of some oil circuit system can be found by running engine, which needs to be reworked and tested again.Generally, high-pressure oil pipe exhaust method:

[0003] ①For single pump diesel engine, the most effective exhaust method is to unscrew high-pressure oil pipe on each cylinder injector, and then press oil with hand oil pump until there is no bubble in the diesel oil flowing out of the high-pressure oil pipe of the cylinder.

[0004] ②For electronically controlled common rail diesel engine, starter can be used to drive diesel engine to rotate.

[0005] The traditional high-pressure oil pipe exhaust method has high working intensity and low efficiency, and the latter can easily cause starter wear.After searching, there are some special oil circuit testing devices in the prior art, which can be used for engine diesel filling and leak testing, such as CN 210891075 U, which discloses an oil circuit detection device, comprising an oil tank, an oil pump, a plurality of communication pipelines, an oil inlet pipeline, an oil outlet pipeline, a detection pipeline, a pressure gauge and a workbench.The oil inlet end of the oil pump is connected to the oil tank through the communication pipeline, the oil outlet end of the oil pump is connected to one end of the oil inlet pipeline, one end of the detection pipeline is connected to the oil outlet pipeline through the communication pipeline, the other end of the detection pipeline is connected to the oil tank, and the pressure gauge is arranged on the detection pipeline, so as to detect the oil circuit in the equipment.

[0006] The oil pump, pressure gauge, control valve and other components of the existing oil circuit detection device are installed on the top of the oil tank in an exposed state, and the pipeline is connected to these components through detachable connection methods such as flange connection or clamp connection.Due to the pressure increase involved in oil circuit testing, the connection between various components is prone to oil leakage.Once oil leakage occurs, not only will it cause waste of diesel, but also it will pose a safety hazard.

[0007] Therefore, it is urgent to develop and design a new type of engine diesel filling and leak testing equipment to solve the above technical problems. UTILITY MODEL CONTENTS

[0008] The utility model wants to solve the technical problem for the above -mentioned shortage of prior art, provide a kind of engine diesel filling and leak testing equipment, effectively avoid the waste of diesel, further improve test security.

[0009] The utility model discloses a technical scheme as follows: a kind of engine diesel filling and leak testing equipment, including protection box and oil tank, the oil tank is installed in protection box, the inner chamber top of protection box is equipped with oil pump, the oil inlet and outlet of oil pump are connected with communication pipe and oil outlet pipe respectively, one end of communication pipe is connected with the oil outlet of oil tank by flange, one end of oil outlet pipe penetrates protection box and extends to its outside, the top of oil tank is also connected with oil inlet pipe and oil return pipe by flange respectively, one end of oil inlet pipe, oil outlet pipe all penetrates protection box and extends to its outside, first solenoid valve and pressure gauge are sequentially equipped on the oil outlet pipe along the direction of diesel flow, second solenoid valve is equipped on the oil inlet pipe, third solenoid valve is equipped on the oil return pipe, first solenoid valve, pressure gauge, second solenoid valve, third solenoid valve all are located in protection box, the top of protection box is also equipped with alarm and controller respectively, oil pump, first solenoid valve, pressure gauge, second solenoid valve, third solenoid valve, alarm are electrically connected with controller, the top of protection box is also movably placed with purple flashlight.

[0010] As further improvement, the bottom of the protection box is also provided with a plurality of self-locking universal wheels.

[0011] Further, one end of the protection box is also provided with a handrail.

[0012] Further, the front of the protection box is provided with three brackets, the oil inlet pipe, the oil outlet pipe and the oil return pipe are respectively hung on the three brackets, and the outer wall of the protection box above each bracket is provided with an identification plate for identifying the name of the pipeline.

[0013] Further, the top of the protection box is provided with two U-shaped seats, the purple flashlight is inserted into the two U-shaped seats, and the purple flashlight and the U-shaped seat are in interference fit.

[0014] Further, the top outer edge of the protection box is also provided with a fence, the top of the protection box is also provided with a partition plate for dividing the top into two storage areas, and the alarm, the controller and the purple flashlight are located in one of the storage areas.

[0015] Further, the back of the protection box is provided with a box door through a hinge, a plurality of support rods are arranged at intervals in the protection box below the box door, a plurality of clamping seats are arranged at intervals at the bottom of the oil tank, the plurality of clamping seats are one-to-one correspondingly sleeved on the plurality of support rods, and a limiting structure is arranged between the two support rods and the oil tank.

[0016] Further, the limiting structure comprises a pin and a limiting plate, the limiting plate is installed at the back bottom of the oil tank, a pin hole is formed in the limiting plate, limiting holes are formed in the two supporting rods, and the pin passes through the pin hole and is inserted into the limiting holes.

[0017] Further, the bottom surface of the inner cavity of the protection box is an inclined surface, and a drain plug is threadedly connected to the lowest end of the inclined surface.

[0018] Further, the lowest end of the bottom surface of the inner cavity of the protection box is provided with a liquid level sensor, and the protection box is further provided with a buzzer, and the liquid level sensor is electrically connected with the buzzer through a controller.

[0019] Advantages

[0020] Compared with the prior art, the utility model has the following advantages:

[0021] 1. The engine diesel filling and leakage testing equipment ingeniously installs the oil pump, the valve and the pressure gauge in the protection box, so that even if there is any leakage at the connection of the oil pump, the valve and the pressure gauge, the leakage will not directly spray to the outside, but directly stay in the protection box, thereby effectively avoiding the waste of diesel and further improving the test safety.

[0022] 2. The engine diesel filling and leakage testing equipment is provided with a movable ultraviolet flashlight on the top of the protection box, so that once the engine oil circuit system is found to be leaked, the ultraviolet flashlight can be held to check the oil circuit system along the direction of diesel flow, so that the leakage position can be found out in time, and the use is more convenient.

[0023] 3. The engine diesel filling and leakage testing equipment places the oil tank on the plurality of supporting rods, so that the oil tank is conveniently disassembled and maintained, and is erected away from the bottom surface of the protection box, if leakage occurs, the diesel can fall on the bottom surface of the inner cavity of the protection box, and the liquid level sensor can monitor in real time, once liquid is detected, the buzzer gives a prompt to timely remind the staff, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is a rear view structure schematic view of the protection box in the utility model;

[0026] Figure 3 It is a rear view sectional structure schematic view of the protection box in the utility model;

[0027] Figure 4 It is Figure 3 It is an enlarged schematic view of the structure at A in the utility model;

[0028] Figure 5 It is a top view sectional structure schematic view of the protective box.

[0029] Wherein: 1-protective box, 2-tank, 3-oil pump, 4-communication pipe, 5-oil outlet pipe, 6-oil inlet pipe, 7-oil return pipe, 8-first solenoid valve, 9-pressure gauge, 10-second solenoid valve, 11-third solenoid valve, 12-alarm, 13-controller, 14-purple flashlight, 15-self-locking universal wheel, 16-handrail, 17-bracket, 18-signboard, 19-U-shaped seat, 20-enclosure, 21-baffle, 22-supporting rod, 23-clamping seat, 24-latch, 25-limiting plate, 26-drain plug, 27-liquid level sensor, 28-buzzer, 29-box door. DETAILED DESCRIPTION

[0030] The utility model makes further explanation in combination with specific embodiment in the drawing.

[0031] Reference Figures 1-5 The utility model discloses a motor diesel oil filling and leak testing equipment, including protective box 1 and tank 2, wherein, tank 2 installs in protective box 1, and tank 2 injects diesel oil, and the inner chamber top of protective box 1 is equipped with oil pump 3, and the oil inlet and outlet of this oil pump 3 are connected with communication pipe 4 and oil outlet pipe 5 respectively, and one end of communication pipe 4 is connected with the oil outlet of tank 2 through flange, and the oil outlet of tank 2 corresponds the oil pipe extending to the bottom of tank 2 to guarantee that oil pump 3 can draw out oil, and one end of oil outlet pipe 5 penetrates protective box 1 and extends to its outside, and the top of tank 2 is also connected with oil inlet pipe 6 and oil return pipe 7 through flange respectively, and one end of oil inlet pipe 6, oil outlet pipe 5 penetrates protective box 1 and extends to its outside, and first solenoid valve 8 and pressure gauge 9 are sequentially equipped on oil outlet pipe 5 along the direction of diesel oil flow, and second solenoid valve 10 is equipped on oil inlet pipe 6, and third solenoid valve 11 is equipped on oil return pipe 7, and first solenoid valve 8, pressure gauge 9, second solenoid valve 10, third solenoid valve 11 all are located in protective box 1, and alarm 12 and controller 13 are also respectively equipped on the top of protective box 1, and alarm 12 is audible and visual alarm, and oil pump 3, first solenoid valve 8, pressure gauge 9, second solenoid valve 10, third solenoid valve 11, alarm 12 all are electrically connected with controller 13, and the top of protective box 1 also movably places purple flashlight 14, and purple flashlight 14 is prior art product, such as model is: Shenhuo C8-R5, and is used for assisting staff to find leak position.Oil outlet pipe 5, oil inlet pipe 6, oil return pipe 7 all are flexible pipes.

[0032] The equipment of the utility model, when using, connects oil outlet pipe 5, oil inlet pipe 6, oil return pipe 7 to the oil inlet, oil outlet and oil return of engine respectively, then controller 13 controls oil pump 3 to start, reinfuses diesel oil to engine oil circuit system through oil outlet pipe 5, can discharge the air in the oil circuit system, realizes to engine diesel oil filling, then controller 13 controls second electromagnetic valve 10, third electromagnetic valve 11 to close again, oil pump 3 continues to run, and then provides high pressure oil to the oil circuit system, after pressure gauge 9 detects to reach the pressure set, controller 13 controls first electromagnetic valve 8 to close, makes the oil circuit system keep certain pressure and maintains certain time, once the pressure of pressure gauge 9 drops, alarm 12 issues the alarm prompt, shows that the oil circuit system has leakage, at this time, the staff can take purple flashlight 14 to find the leakage position.

[0033] The engine diesel oil filling and leakage testing equipment of the utility model ingeniously installs oil pump 3, valve and pressure gauge 9 in a protection box 1, even if there is any leakage at the connecting place of them, will not directly spray to the outside, but directly stays in the protection box 1, effectively avoids the waste of diesel oil, further improves the test safety.

[0034] Meanwhile, through the movable purple flashlight 14 arranged at the top of the protection box 1, once finding that the engine oil circuit system has leakage, can take the purple flashlight 14 and check the oil circuit system along the diesel oil flowing direction, finds out the leakage position in time, is more convenient to use.

[0035] Preferably, a plurality of self-locking universal wheels 15 are further arranged at the bottom of the protection box 1, so that the whole equipment can be moved to a specified place for use, and use is more convenient.

[0036] Preferably, a handrail 16 is further arranged at one end of the protection box 1, so as to facilitate pushing the whole equipment.

[0037] Preferably, three brackets 17 are arranged on the front of the protection box 1, wherein the oil inlet pipe 6, the oil outlet pipe 5 and the oil return pipe 7 are hung on the three brackets 17, so as to facilitate tidying up the pipes, and an identification plate 18 for identifying the pipe name is arranged on the outer wall of the protection box 1 above each bracket 17, so as to facilitate the staff to identify the name of each pipe, so as to accurately connect the oil port.

[0038] Preferably, two U-shaped seats 19 are arranged at the top of the protection box 1, the purple flashlight 14 is inserted into the two U-shaped seats 19, and the purple flashlight 14 and the U-shaped seats 19 are in interference fit, so as to fix the purple flashlight 14.

[0039] Preferably, a baffle plate 20 is arranged on the top outer edge of the protection box 1, and the top of the protection box 1 is further provided with a partition plate 21 for separating the top into two storage areas, wherein the alarm 12, the controller 13 and the purple flashlight 14 are arranged in one of the storage areas, and the other storage area can be used for placing other articles, such as gloves, and the use is more convenient.

[0040] Preferably, a box door 29 is hingedly arranged on the back of the protection box 1, the height of the box door 29 is less than the height of the protection box 1, the leaked diesel oil is collected at the bottom of the protection box 1, the end of the box door 29 away from the hinge is fixed to the protection box 1 by a door lock, and a handle is arranged on the box door 29, a plurality of support rods 22 are arranged in the protection box 1 below the box door 29, a plurality of clamping seats 23 are arranged at the bottom of the oil tank 2, the plurality of clamping seats 23 are correspondingly sleeved on the plurality of support rods 22, the oil tank 2 is supported, and a limiting structure is arranged between two of the support rods 22 and the oil tank 2, so that the oil tank 2 is prevented from moving axially along the support rods 22. Specifically, the limiting structure comprises a bolt 24 and a limiting plate 25, the limiting plate 25 is arranged at the bottom of the back of the oil tank 2, a pin hole is formed in the limiting plate 25, limiting holes are formed in the two support rods 22, the bolt 24 passes through the pin hole and is inserted into the limiting holes, and when the bolt 24 is inserted into the pin hole and the limiting holes, the flanges of the oil outlet pipe 5, the oil inlet pipe 6 and the oil return pipe 7 correspond to the flanges on the oil tank 2, so that the oil tank 2 can be quickly disassembled and assembled.

[0041] Preferably, the inner cavity bottom surface of the protection box 1 is an inclined surface, a drain plug 26 is threadedly connected to the lowest end of the inclined surface, and the leaked diesel oil is collected at the lowest end of the protection box 1, so that the drain plug 26 can be screwed to drain the diesel oil during maintenance, and the maintenance is more convenient. Further, a liquid level sensor 27 is arranged at the lowest end of the inner cavity bottom surface of the protection box 1, and a buzzer 28 is arranged at the top of the protection box 1, and the liquid level sensor 27 is electrically connected to the buzzer 28 through the controller 13.

[0042] In the device, the oil tank 2 is placed on the plurality of support rods 22, which is convenient for disassembly, maintenance and erection, and the oil tank 2 is arranged away from the bottom surface of the protection box 1, so that if leakage occurs, the diesel oil can fall into the inner cavity of the protection box 1, and the liquid level sensor 27 can monitor in real time, and the buzzer 28 can send a prompt once liquid is detected, so as to timely remind the staff, and the use is more convenient.

[0043] The preferred embodiments of the utility model are described above, and it should be noted that for those skilled in the art, without departing from the structure of the utility model, a plurality of modifications and improvements can be made, which will not affect the effect and practicability of the utility model.

Claims

1. An engine diesel refueling and leak detection apparatus, characterized by, The utility model provides a kind of diesel oil protection box, including protective box (1) and oil tank (2), the oil tank (2) is installed in protective box (1), the inner chamber top of protective box (1) is equipped with oil pump (3), the oil inlet and outlet of oil pump (3) are connected with communication pipe (4) and oil outlet pipe (5) respectively, one end of communication pipe (4) is connected with the oil outlet of oil tank (2) by flange, one end of oil outlet pipe (5) penetrates protective box (1) and extends to its outside, the top of oil tank (2) is also connected with oil inlet pipe (6) and oil return pipe (7) by flange respectively, one end of oil inlet pipe (6), oil outlet pipe (5) penetrates protective box (1) and extends to its outside, first solenoid valve (8) and pressure gauge (9) are sequentially equipped on oil outlet pipe (5) along diesel oil flow direction, second solenoid valve (10) is equipped on the oil inlet pipe (6), third solenoid valve (11) is equipped on the oil return pipe (7), first solenoid valve (8), pressure gauge (9), second solenoid valve (10), third solenoid valve (11) are located in protective box (1), the top of protective box (1) is also equipped with alarm (12) and controller (13) respectively, oil pump (3), first solenoid valve (8), pressure gauge (9), second solenoid valve (10), third solenoid valve (11), alarm (12) are electrically connected with controller (13), the top of protective box (1) is also movably placed with purple flashlight (14).

2. An engine diesel refuelling and leak testing apparatus according to claim 1, characterised in that, The bottom of the protective box (1) is also provided with a plurality of self-locking universal wheels (15).

3. An engine diesel refuelling and leak testing apparatus according to claim 2, wherein, One end of the protective box (1) is also provided with a handrail (16).

4. An engine diesel refueling and leak testing apparatus as defined in claim 1 wherein, The front of the protective box (1) is provided with three brackets (17), the oil inlet pipe (6), the oil outlet pipe (5) and the oil return pipe (7) are hung on the three brackets (17) respectively, and the outer wall of the protective box (1) above each bracket (17) is provided with an identification plate (18) for identifying the name of the pipeline.

5. An engine diesel refueling and leak testing apparatus as defined in claim 1 wherein, The top of the protective box (1) is provided with two U-shaped seats (19), the purple flashlight (14) is inserted into the two U-shaped seats (19), and the purple flashlight (14) and the U-shaped seats (19) are in interference fit.

6. An engine diesel refueling and leak testing apparatus as defined in claim 1 wherein, The top outer edge of the protective box (1) is also provided with a fence (20), and the top of the protective box (1) is also provided with a partition plate (21) for dividing the top into two storage areas, the alarm (12), the controller (13) and the purple flashlight (14) are located in one of the storage areas.

7. An engine diesel filling and leak testing apparatus according to any one of claims 1 to 6, wherein The back of the protective box (1) is provided with a box door (29) through a hinge, a plurality of support rods (22) are arranged at intervals in the protective box (1) below the box door (29), a plurality of clamping seats (23) are arranged at intervals at the bottom of the oil tank (2), a plurality of the clamping seats (23) are sleeved on the plurality of support rods (22) one by one, and a limiting structure is arranged between two of the support rods (22) and the oil tank (2).

8. An engine diesel refuelling and leak testing apparatus according to claim 7, characterised in that, The limiting structure comprises a bolt (24) and a limiting plate (25), the limiting plate (25) is installed on the back bottom of the oil tank (2), pin holes are formed on the limiting plate (25), limiting holes are formed on two supporting rods (22), the bolt (24) passes through the pin holes and is inserted into the limiting holes.

9. An engine diesel refuelling and leak testing apparatus according to claim 7, wherein, The inner cavity bottom surface of the protection box (1) is an inclined surface, and an oil drain plug (26) is threadedly connected to the lowest end of the inclined surface on the protection box (1).

10. An engine diesel refuelling and leak testing apparatus according to claim 9, wherein, The lowest end of the inner cavity bottom surface of the protection box (1) is provided with a liquid level sensor (27), and the protection box (1) is further provided with a buzzer (28), and the liquid level sensor (27) is electrically connected with the buzzer (28) through a controller (13).

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