Engineering truck fuel tank quality detection device

By designing a fuel tank quality inspection device with sealing and detection components, the problems of detection accuracy and operational complexity in traditional inspection methods are solved, achieving efficient and accurate fuel tank leak detection.

CN223741903UActive Publication Date: 2025-12-30枣阳市兴业机械制造有限责任公司
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Patent Information

Application Number
CN202520411271.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2025-12-30
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Traditional fuel tank quality inspection methods have problems such as limited detection accuracy or complicated operation, making it difficult to accurately detect tiny leaks and consuming a lot of manpower and time.

Method used

A quality inspection device for fuel tanks of engineering vehicles was designed, employing sealing components and detection components, including a sealing cover, a sealing plug, a clamping plate, and a pressure sensor. The sealing performance is ensured by the clamping force between the sealing cover and the clamping plate, and the pressure sensor is used to detect changes in the internal pressure of the fuel tank. Helium gas and a tracer are used to detect leaks.

Benefits of technology

It improves the accuracy and efficiency of test results, ensures the sealing of the test process, simplifies the operation process, and adapts to the test requirements of fuel tanks with different structures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an engineering truck fuel tank quality detection device which comprises a fuel tank, a tank opening is fixedly installed at the top of the fuel tank, a sealing assembly is arranged in the tank opening, a detection assembly is arranged at the bottom of the sealing assembly, the sealing assembly comprises a sealing cover, a sealing plug is fixedly installed at the bottom of the sealing cover, and the detection assembly is arranged at the bottom of the sealing cover. The sealing plug is inserted into the tank opening, the sealing cover is attached to the top of the tank opening, an air inlet pipe is fixedly installed on the top of the sealing cover, and the air inlet pipe penetrates through the sealing cover and the sealing plug and is communicated with the interior of the tank opening. According to the engineering truck fuel tank quality detection device, through a sealing cover, a sealing plug and a unique clamping plate fixing structure in the sealing assembly, under the cooperation of the elastic force of a spring, the clamping force between the sealing cover and a clamping plate is utilized, the fixing stability of the sealing plug at a tank opening is greatly improved, detection gas leakage is effectively prevented, and the accuracy of a detection result is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to engineering vehicle oil tank technical field, concretely is engineering vehicle fuel tank quality detection device. BACKGROUND

[0002] Engineering vehicle oil tank as engineering vehicle important oil storage parts, plays the key role in the vehicle operation, it generally adopts high strength metal material quality to create, has outstanding pressure -resisting and anticorrosive performance, can adapt to all kinds of harsh construction environment.

[0003] In the daily use of engineering vehicle, the quality of fuel tank is related to the safety and stability of vehicle operation, the traditional fuel tank quality detection mode, either detection precision is limited, it is difficult to accurately find the tiny air leakage point, or the operation process is complex, and a large amount of manpower and time cost is consumed.

[0004] Therefore, the utility model provides an engineering vehicle fuel tank quality detection device to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiency of prior art, the utility model provides an engineering vehicle fuel tank quality detection device, which solves the above problems.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: an engineering vehicle fuel tank quality detection device, comprising an oil tank, the top of the oil tank is fixedly installed with a tank mouth, the inside of the tank mouth is provided with a sealing assembly, the bottom of the sealing assembly is provided with a detection assembly, the sealing assembly comprises a sealing cover, the bottom of the sealing cover is fixedly installed with a sealing plug, the sealing plug is inserted into the inside of the tank mouth, the sealing cover is attached to the top of the tank mouth, the top of the sealing cover is fixedly installed with an air inlet pipe, the air inlet pipe passes through the sealing cover and the sealing plug and is communicated with the inside of the tank mouth.

[0007] Preferably, the top of the sealing cover is fixedly installed with a fixing block, the outer side of the fixing block is fixedly installed with a side plate, the side plates are rotatably connected with a movable plate, and the movable plate and the corresponding fixing block are fixedly installed with a spring.

[0008] Preferably, the bottom of the movable plate is fixedly installed with a bottom plate, a screw rod is screwed through the inside of the bottom plate, the top of the screw rod is rotatably connected with a clamping plate, and the clamping plate is attached to the bottom of the outer side edge of the tank mouth.

[0009] Preferably, the bottom of the screw rod is fixedly installed with a knob.

[0010] Preferably, the detection assembly comprises an external pipe fixedly installed at the bottom of the sealing plug, a telescopic rod inserted into the internal pipe of the external pipe, and a pressure sensor fixedly installed at the bottom of the telescopic rod, wherein the external pipe, the telescopic rod and the pressure sensor are located inside the oil tank.

[0011] Preferably, the bottom of the external pipe is fixedly installed with an external cylinder, the telescopic rod passes through the internal cylinder, and a hand screw bolt is screwed into the internal cylinder, with the inner side end of the hand screw bolt abutting against the outer wall of the telescopic rod.

[0012] Preferably, a data line is fixedly installed in the internal pipe of the telescopic rod and electrically connected with the pressure sensor, the data line passes through the internal pipe of the external pipe and the internal sealing plug and sealing cover, and the data line is in a curved state inside the external pipe.

[0013] Beneficial effects

[0014] The utility model provides a kind of engineering vehicle fuel tank quality detection device.Compared with prior art, it has the following beneficial effects:

[0015] 1, the engineering vehicle fuel tank quality detection device, the sealing cover in sealing component, sealing plug and the unique clamping plate fixed structure are fixed in the stability of sealing plug at the tank mouth greatly improved under the cooperation of spring elastic force, effectively prevent detection gas leakage, ensure the accuracy of detection result.

[0016] 2, the engineering vehicle fuel tank quality detection device, external pipe and telescopic rod adjustable pressure sensor position in oil tank, can adapt to the detection needs of different structure fuel tank, meanwhile, data line ensures the power and data transmission of pressure sensor, easy to operate, improve detection efficiency. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawings needed to be used in the description of embodiment or prior art, 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 be obtained without creative labor under the premise.

[0018] Figure 1 It is the external structure perspective drawing of the utility model;

[0019] Figure 2 It is the internal structure perspective drawing of the utility model;

[0020] Figure 3 It is the external structure perspective drawing of the sealing assembly of the utility model;

[0021] Figure 4 is the detection assembly internal section structure perspective view of the utility model;

[0022] Figure 5 is the sealing assembly whole structure perspective view of the utility model.

[0023] In the drawing: 1, oil tank;2, sealing assembly;21, sealing cover;22, air inlet pipe;23, movable plate;24, bottom plate;25, sealing plug;26, fixed block;27, side plate;28, spring;29, screw;210, clamping plate;211, knob;3, detection assembly;31, external pipe;32, telescopic rod;33, pressure sensor;34, external cylinder;35, hand screw bolt;36, data line;4, tank mouth. DETAILED DESCRIPTION

[0024] It should be noted that in the description of the embodiments of the present application, the terms "front, back, left, right, up, down" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The present application will be further described in detail by the drawings and examples.

[0026] Referring to Figures 1 to 5 , the present application provides a kind of engineering vehicle fuel tank quality detection device, including oil tank 1, tank mouth 4 is fixedly installed at the top of oil tank 1, sealing assembly 2 is provided in the inside of tank mouth 4, detection assembly 3 is provided at the bottom of sealing assembly 2, sealing assembly 2 includes sealing cover 21, sealing plug 25 is fixedly installed at the bottom of sealing cover 21, sealing plug 25 is inserted in the inside of tank mouth 4, sealing cover 21 is attached to the top of tank mouth 4, air inlet pipe 22 is fixedly installed at the top of sealing cover 21, air inlet pipe 22 passes through sealing cover 21 and sealing plug 25 and is communicated with the inside of tank mouth 4.Sealing cover 21 is fixedly installed with fixed block 26 at the top, fixed block 26 is fixedly installed with side plate 27 on the outside, movable plate 23 is rotatably connected between side plate 27, spring 28 is fixedly installed between movable plate 23 and corresponding fixed block 26.

[0027] The bottom of the movable plate 23 is fixedly provided with a bottom plate 24, a screw rod 29 is screwed through the inside of the bottom plate 24, the top of the screw rod 29 is rotatably connected with a clamping plate 210 which is attached to the bottom of the outer side edge of the tank mouth 4. The bottom of the screw rod 29 is fixedly provided with a knob 211.

[0028] In the embodiment, when the oil tank 1 is detected, the sealing plug 25 is inserted into the inside of the tank mouth 4 and the sealing cover 21 is attached to the top of the tank mouth 4. When installed, the bottom plate 24 is moved outward by pressing the upper part of the movable plate 23. After the sealing plug 25 is installed, the bottom plate 24 is buckled to the bottom of the outer side of the tank mouth 4 under the elastic force of the spring 28. Then, the screw rod 29 is rotated by rotating the knob 211, and the clamping plate 210 is moved upward at the same time. The clamping plate 210 is attached to the bottom of the tank mouth 4, and the stability of the sealing plug 25 is greatly improved under the clamping force between the sealing cover 21 and the clamping plate 210. When detected, the air pump is connected to the air inlet pipe 22 through the pipeline, and the air pump is connected to the storage tank containing the mixed gas of helium and tracer through the pipeline. The mixed gas of helium and tracer is introduced into the oil tank 1. By introducing the gas into the oil tank 1, the gas pressure in the oil tank 1 increases. When the oil tank 1 surface leaks, the mixed gas of helium and tracer will be discharged through the leakage, so that the oil tank 1 can be known to leak, and the specific leakage position can be known through the colored tracer.

[0029] Reference Figures 1 to 5 In one aspect of the embodiment, the detection assembly 3 includes an external pipe 31 fixedly installed at the bottom of the sealing plug 25, the inside of the external pipe 31 is inserted with a telescopic rod 32, the bottom of the telescopic rod 32 is fixedly provided with a pressure sensor 33, the external pipe 31, the telescopic rod 32 and the pressure sensor 33 are all located inside the oil tank 1.

[0030] The bottom of the external pipe 31 is fixedly provided with an external cylinder 34, the telescopic rod 32 passes through the inside of the external cylinder 34, the inside of the external cylinder 34 is screwed with a hand screw bolt 35, the inner side end of the hand screw bolt 35 is attached to the outer wall of the telescopic rod 32. The inside of the telescopic rod 32 is fixedly provided with a data line 36, the data line 36 is electrically connected with the pressure sensor 33, the data line 36 passes through the inside of the external pipe 31 and passes through the inside of the sealing plug 25 and the sealing cover 21, the data line 36 is in a curved state inside the external pipe 31.

[0031] In this embodiment, and at the time of detection, the pressure sensor 33 can be extended into the oil tank 1 through the external tube 31 and the telescopic rod 32, and the position of the telescopic rod 32 in the external tube 31 can be adjusted by rotating the hand screw 35. After adjustment, the telescopic rod 32 is fixed by tightening the hand screw 35, so that the position of the pressure sensor 33 in the oil tank 1 can be adjusted, and the power supply and data transmission of the pressure sensor 33 are ensured through the data line 36. The data line 36 is connected with the external sensor receiving and processing equipment, and the internal pressure is monitored after the gas is introduced to detect whether there is a gas leakage point in the oil tank 1.

[0032] Meanwhile, the contents not described in detail in this specification all belong to the prior art known to those skilled in the art.

[0033] Working principle: when the oil tank 1 is detected, first operate the sealing assembly 2, insert the sealing plug 25 into the tank opening 4, and the sealing cover 21 is attached to the top of the tank opening 4. During installation, press the upper part of the movable plate 23 to move the bottom plate 24 outward. After the sealing plug 25 is installed in place, use the elastic force of the spring 28 to buckle the bottom plate 24 to the outside bottom of the tank opening 4. Then rotate the knob 211 to drive the screw rod 29 to rotate, which drives the clamping plate 210 to move upward and makes the clamping plate 210 adhere to the bottom of the tank opening 4, completing the installation and fixation of the sealing assembly.

[0034] Then perform the detection operation, connect the air pump to the air inlet pipe 22 through the pipeline, and connect the storage tank containing the mixed gas of helium and tracer to the air pump. The mixed gas is introduced into the oil tank 1. At this time, the internal pressure of the oil tank 1 increases. If there is a gas leakage point on the surface of the oil tank 1, the mixed gas of helium and tracer will be discharged from this point, and the specific leakage position can be judged by the color of the tracer.

[0035] During the detection process, the detection assembly 3 plays a role. The pressure sensor 33 is extended into the oil tank 1 through the external tube 31 and the telescopic rod 32. The position of the telescopic rod 32 in the external tube 31 can be adjusted by rotating the hand screw 35. After adjustment, the telescopic rod 32 is fixed by tightening the hand screw 35, so that the position of the pressure sensor 33 in the oil tank 1 is determined. The data line 36 is connected with the external sensor receiving and processing equipment, and the power supply and data transmission of the pressure sensor 33 are ensured. By monitoring the internal pressure of the oil tank 1, it is determined whether there is a gas leakage point in the oil tank 1.

[0036] It is to be understood that the terminology used herein such as first and second, and the like, is only used to distinguish one entity or action from another entity or action, and does not necessarily require or imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] While embodiments of the present application have been shown and described with reference to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. The scope of the application is thus defined by the appended claims and their equivalents.

Claims

1. An apparatus for detecting the mass of a fuel tank of a construction vehicle, comprising a fuel tank (1), characterized in that: The top of the oil tank (1) is fixedly installed with a tank mouth (4), the inside of the tank mouth (4) is provided with a sealing assembly (2), the bottom of the sealing assembly (2) is provided with a detection assembly (3), the sealing assembly (2) comprises a sealing cover (21), the bottom of the sealing cover (21) is fixedly installed with a sealing plug (25), the sealing plug (25) is inserted in the inside of the tank mouth (4), the sealing cover (21) is attached to the top of the tank mouth (4), the top of the sealing cover (21) is fixedly installed with an air inlet pipe (22), the air inlet pipe (22) passes through the sealing cover (21) and the sealing plug (25) and communicates with the inside of the tank mouth (4).

2. The apparatus of claim 1, wherein: The top of the sealing cover (21) is fixedly installed with a fixed block (26), the outer side of the fixed block (26) is fixedly installed with a side plate (27), the side plates (27) are rotatably connected with a movable plate (23), the movable plate (23) and the corresponding fixed block (26) are fixedly installed with a spring (28).

3. The apparatus of claim 2, wherein: The bottom of the movable plate (23) is fixedly installed with a bottom plate (24), the inside of the bottom plate (24) is screwed through a screw rod (29), the top of the screw rod (29) is rotatably connected with a clamping plate (210), the clamping plate (210) is attached to the bottom of the outer side edge of the tank mouth (4).

4. The apparatus of claim 3, wherein: The bottom of the screw rod (29) is fixedly installed with a knob (211).

5. The apparatus of claim 1, wherein: The detection assembly (3) comprises an outer tube (31), the outer tube (31) is fixedly installed at the bottom of the sealing plug (25), the inside of the outer tube (31) is inserted with a telescopic rod (32), the bottom of the telescopic rod (32) is fixedly installed with a pressure sensor (33), the outer tube (31), the telescopic rod (32) and the pressure sensor (33) are located in the inside of the oil tank (1).

6. The apparatus of claim 5, wherein: The bottom of the outer tube (31) is fixedly installed with an outer cylinder (34), the telescopic rod (32) passes through the inside of the outer cylinder (34), the inside of the outer cylinder (34) is screwed with a hand screw bolt (35), the inner side end of the hand screw bolt (35) is attached to the outer wall of the telescopic rod (32).

7. The apparatus of claim 6 wherein: The inside of the telescopic rod (32) is fixedly installed with a data line (36), the data line (36) is electrically connected with the pressure sensor (33), the data line (36) passes through the inside of the outer tube (31) and passes through the inside of the sealing plug (25) and the sealing cover (21), the data line (36) is in a curved state in the inside of the outer tube (31).