Gravity refueling gun placing device and refueling truck thereof

Abstract

The utility model relates to the technical field of refueling trucks, in particular to a gravity refueling gun placing device and a refueling truck thereof, the gravity refueling gun placing device comprises a box body, a rotating sleeve and a proximity sensor, the proximity sensor is fixedly installed on the side wall of the box body, and the rotating sleeve is rotatably installed in the box body. The end, close to the rotating center, of the rotating sleeve is provided with an inserting opening allowing an oil gun barrel to be inserted into the rotating sleeve, and the end, away from the rotating center, of the rotating sleeve is provided with a sensing part synchronously getting close to or away from the proximity sensor along the rotating path of the rotating sleeve. One side, close to the inserting opening, of the box body is provided with a containing part used for containing a gun handle of the oil gun, a locking piece used for limiting a gun base of the oil gun from being separated from the containing part is arranged in the containing part, the oil gun can be conveniently taken and placed, and it is guaranteed that the oil gun is effectively locked.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel tank trucks, in particular to a gravity fueling gun placing device. Background Art

[0002] Medium and small fixed-wing aircraft or rotary-wing aircraft usually use fuel tank trucks for refueling operations. Generally, a gravity refueling system is configured on the fuel tank truck, and the gravity fueling gun is an important component of the gravity refueling system.

[0003] To ensure the safety of the refueling system during operation, an interlock brake sensor needs to be configured at the position where the gravity fueling gun is taken and placed. That is, the sensor outputs signals by sensing the off-position and on-position states of the fueling gun to control the braking or brake release actions of the fuel tank truck. However, currently, fuel tank trucks generally adopt a fixed method of hanging and adding multiple straps, with a poor locking effect on the fueling gun. During the driving process of the fuel tank truck, the fueling gun is prone to being displaced due to bumps, thereby outputting incorrect signals and causing interlock braking. Moreover, when the fueling gun is taken and placed, the operation convenience is limited, affecting the operation efficiency of the operators. Summary of the Utility Model

[0004] To solve the deficiencies of the above-mentioned prior art, the utility model provides a gravity fueling gun placing device, which can realize the convenient taking and placing of the fueling gun and ensure the effective locking of the fueling gun.

[0005] The technical solution of the utility model is as follows: A gravity fueling gun placing device includes a box body, a rotating sleeve, and a proximity sensor. The proximity sensor is fixedly installed on the side wall of the box body. The rotating sleeve is rotatably installed in the box body, and the rotation center of the rotating sleeve is located at a position deviating from the center of gravity of the rotating sleeve. One end of the rotating sleeve close to the rotation center has a socket for the barrel of the fueling gun to be inserted into the rotating sleeve. The end of the rotating sleeve far from the rotation center has an induction part that approaches or moves away from the proximity sensor synchronously along the rotation path of the rotating sleeve. The box body has a receiving part for placing the handle of the fueling gun on the side close to the socket. A locking member for restricting the gun seat of the fueling gun from disengaging from the receiving part is arranged in the receiving part. By arranging the rotating sleeve and the receiving part inside the box body, the barrel of the gravity fueling gun is inserted into the rotating sleeve. Under the action of the eccentric gravity of the gravity fueling gun, the rotating sleeve is driven to rotate until the handle of the gravity fueling gun falls into the receiving part, and then the gun seat is locked by the locking member. If it is necessary to take it out, open the locking member and pull it out upward by holding the handle. At this time, the rotating sleeve rotates back under the action of its own eccentric gravity; during the whole taking and placing process, the operation is convenient, and the locking member, the rotating sleeve, and the receiving part jointly form a locking effect on the gravity fueling gun. At this time, the proximity sensor always maintains induction with the induction part to ensure the safe driving of the fuel tank truck.

[0006] The locking member is a spring pin, which is fixed on the side wall of the accommodating portion through a pin seat. The pin head of the spring pin moves in a direction close to the accommodating portion under the drive of the spring of the spring pin and abuts against the inner surface of the fuel gun handle located in the accommodating portion.

[0007] A positioning plate is fixed in the accommodation portion, and a positioning groove is formed on the positioning plate to match the outer surface of the fueling gun handle. The positioning groove limits the outer side of the fueling gun handle, and the pin head of the spring pin limits the inner side of the fueling gun handle, thereby enhancing the stability of the fueling gun handle in the accommodation portion.

[0008] A bending plate is provided on the rotating sleeve, a horizontal section of the bending plate is fixedly connected to the outer wall of the rotating sleeve, and a vertical section of the bending plate is parallel to the side wall of the box body and forms the sensing part.

[0009] The rotating sleeve is provided with a rotating shaft, which is fixedly connected to the outer wall of the rotating sleeve, and both ends of the rotating shaft penetrate and are rotatably connected to the side wall of the box body, and the central axis of the rotating shaft is the rotation center.

[0010] The accommodating portion is integrally arranged with the box body, and an opening is arranged at the upper end of the box body. A cover plate is fixed at a position of the opening corresponding to the rotating sleeve.

[0011] An end of the rotating sleeve away from the rotation center is provided with a chamfered surface, and when the rotating sleeve rotates to a position where the sensing portion is away from the proximity sensor, the chamfered surface fits with the bottom of the box body.

[0012] A refueling vehicle comprises a gravity refueling gun, a refueling tank, a brake system and the above-mentioned refueling gun placement device, wherein the gravity refueling gun is connected to the refueling tank via a refueling pipeline, and a proximity sensor in the refueling gun placement device is communicatively connected to the brake system.

[0013] The beneficial effects of the utility model are as follows: in this scheme, a rotating sleeve and a receiving portion are arranged inside the box body, and the barrel of the gravity refueling gun is inserted into the rotating sleeve. Under the eccentric gravity of the gravity refueling gun, the rotating sleeve is driven to rotate until the gun handle of the gravity refueling gun falls into the receiving portion, and then the gun seat is locked by the locking piece. If it needs to be taken out, the locking piece is opened, and the gun handle is held and pulled upward. At this time, the rotating sleeve rotates under the action of its own eccentric gravity; the whole taking and placing process is convenient to operate, and the locking piece, the rotating sleeve and the receiving portion jointly form a locking effect on the gravity refueling gun. At this time, the proximity sensor always maintains induction with the sensing part to ensure the safe driving of the refueling truck. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model when the refueling gun is removed;

[0015] Figure 2 yesFigure 1 Top view;

[0016] Figure 3 is Figure 1 Side view;

[0017] Figure 4 It is a schematic structural diagram of the fueling gun in the state of being placed in the present utility model;

[0018] Figure 5 is Figure 4 Side view diagram;

[0019] Figure 6 is Figure 5 Cross-sectional view along the A-A direction in;

[0020] Figure 7 It is a schematic diagram of the use of the spring pin in the present utility model, where Figure 7 In (a) is a schematic diagram of the spring pin in the unlocked state, Figure 7 In (b) is a schematic diagram of the spring pin in the locked state;

[0021] Figure 8 It is a schematic cross-sectional view of the spring pin in the present utility model.

[0022] Reference numerals: 1, box body; 101, accommodating part; 102, cover plate; 2, gravity fueling gun; 201, fueling gun barrel; 202, fueling gun handle; 3, rotating sleeve; 301, inclined plane; 4, spring pin; 401, pin seat; 402, pin shaft; 403, pin sleeve; 404, spring; 405, positioning ring; 406, blocking ring; 407, positioning cylinder; 408, clamping plate; 409, chute; 5, rotating shaft; 6, proximity sensor; 7, positioning plate; 701, positioning groove; 8, bending plate. Detailed implementation manners

[0023] To enable those skilled in the art to better understand the technical solutions in the present utility model, the following combines the accompanying drawings to clearly and completely describe the technical solutions in the present utility model. Other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Such as Figures 1 - 5As shown in the figure, the present utility model provides a gravity fueling gun placement device, which includes a box body 1, a rotating sleeve 3 and a proximity sensor 6. The proximity sensor 6 is fixedly installed on the side wall of the box body 1. The rotating sleeve 3 is rotatably installed in the box body 1, and the rotation center of the rotating sleeve 3 is located at a position where the rotating sleeve 3 deviates from the center of gravity. The rotating sleeve 3 deflects under the action of gravity. One end of the rotating sleeve 3 away from the rotation center moves downward and contacts the bottom of the box body 1. Correspondingly, an induction part that approaches or moves away from the proximity sensor 6 synchronously along the rotation path of the rotating sleeve 3 is provided at one end of the rotating sleeve 3 away from the rotation center. One end of the rotating sleeve 3 close to the rotation center has a socket for inserting the fueling gun barrel 201 into the rotating sleeve 3. A receiving part 101 for placing the fueling gun handle 202 is provided on one side of the box body 1 close to the socket. A locking member for restricting the fueling gun base from detaching from the receiving part 101 is provided in the receiving part 101. When in use, the barrel of the gravity fueling gun 2 is inserted into the rotating sleeve 3. As Figure 5 shown, under the action of gravity on one side of the handle of the gravity fueling gun 2, the rotating sleeve is driven to rotate until the handle of the gravity fueling gun 2 falls into the receiving part 101, and then the gun base is locked by the locking member. In the whole device, the locking force on the gravity fueling gun 2 is jointly formed by the locking member, the rotating sleeve 3 and the receiving part 101. At this time, the proximity sensor 6 can always keep sensing with the induction part at the end of the rotating sleeve 3, thereby ensuring the safe driving of the fueling vehicle; if it needs to be taken out, the locking member is opened, and the handle is held and pulled out upwards. As Figure 3 shown, at this time, the rotating sleeve rotates under the action of its own eccentric gravity; the whole process of taking and placing is convenient to operate.

[0025] As Figure 1 and Figure 4 shown, the locking member is a spring pin 4. The spring pin 4 is fixedly installed through a socket 401 on the side wall of the receiving part 101. The pin head of the spring pin 4 moves along the direction close to the receiving part 101 under the drive of the spring 404 of the spring pin 4 and abuts against the inner surface of the fueling gun handle 202 located in the receiving part 101. Specifically, as Figure 8 shown, the spring pin 4 is the same as the prior art and is composed of a pin shaft 402, a pin sleeve 403, a spring 404 and a positioning ring 405. The positioning ring 405 is fixed at one end far from the outlet of the pin sleeve 403. The pin shaft 402 sequentially passes through the positioning ring 405 and the pin sleeve 403 and extends out through the outlet of the pin sleeve 403 to form the pin head of the spring pin 4. A blocking ring 406 that is slidably matched with the pin sleeve 403 is fixed on the pin shaft 402. The spring 404 is sleeved on the pin shaft 402. The two ends of the spring 404 are respectively in contact with the positioning ring 405 and the blocking ring 406. When in use, as Figure 1 and Figure 7As shown in (a), the pin shaft 402 is pulled in a direction away from the receiving portion 101, and the spring 404 is compressed under force. At this time, the spring pin 4 is unlocked, and the gravity fuel gun 2 can be taken and placed. As Figure 4 and Figure 7 shown in (b), when the pin shaft 402 is released, under the reset action of the spring 404, the pin head of the pin shaft 402 moves in a direction close to the receiving portion 101 and finally abuts against the inner surface of the handle 202 of the fuel gun, forming a lock on the handle 202 of the fuel gun. Further preferably, to improve the convenience of using the spring pin 4, the positioning ring 405 extends a positioning cylinder 407 in a direction away from the pin sleeve 403. The positioning cylinder 407 is provided with a sliding groove 409 along its length direction. The pin shaft 402 is provided with a clamping plate 408 that cooperates with the sliding groove 409 for sliding. When unlocking the spring pin 4, as Figure 7 shown in (a), the pin shaft 402 is pulled until the clamping plate 408 is disengaged from the sliding groove 409. At this time, the pin shaft 402 is rotated, and the clamping plate 408 abuts against the end face of the positioning cylinder 407, realizing the positioning of the unlocked state of the spring pin 4. When locking, the pin shaft 402 needs to be rotated to the position where the clamping plate 408 cooperates with the sliding groove 409.

[0026] As Figure 1 shown, a positioning plate 7 is fixed in the receiving portion 101. The positioning plate 7 is provided with a positioning groove 701 that cooperates with the outer surface of the handle 202 of the fuel gun. After the outer surface of the handle of the fuel gun contacts the groove surface of the positioning groove 701, the rotating sleeve 3 rotates with the barrel 201 of the fuel gun to the horizontal position. At this time, the positioning groove 701 cooperates with the pin head of the spring pin 4 to realize the common limit on both the inner and outer sides of the handle 202 of the fuel gun, thereby strengthening the stability of the handle 202 of the fuel gun in the receiving portion 101.

[0027] In this embodiment, the receiving portion 101 and the box body 1 are integrally provided, and an opening is provided at the upper end of the entire box body 1. A cover plate 102 is fixed at a position corresponding to the rotating sleeve 3 to prevent dust from entering the inside of the box body 1 through the cover plate 102.

[0028] As Figure 2 and Figure 6 shown, a bending plate 8 is provided on the rotating sleeve 3. The horizontal section of the bending plate 8 is fixedly connected to the outer wall of the rotating sleeve 3. The vertical section of the bending plate 8 is parallel to the side wall of the box body 1 and forms the sensing portion; a rotating shaft 5 is provided on the rotating sleeve 3. The rotating shaft 5 is fixedly connected to the outer wall of the rotating sleeve 3. Both ends of the rotating shaft 5 penetrate and are rotatably connected to the side wall of the box body 1. The central axis of the rotating shaft 5 is the rotation center. Specifically, the rotating shaft 5 is located above the rotating sleeve 3. The horizontal section of the bending plate 8 extends along the length direction of the rotating sleeve 3 to between the rotating shaft 5 and the rotating sleeve 3. The rotating shaft 5 is fixedly welded to the outer surface of the rotating sleeve 3 through the horizontal section of the bending plate 8.

[0029] In order to allow the rotating sleeve 3 to have a sufficient rotation path in the box body 1, as shown in FIG. Figure 5 As shown, the end of the rotating sleeve 3 away from the rotation center is provided with a chamfered surface 301, as shown in FIG. Figure 3 As shown, when the rotating sleeve 3 rotates to a position where the sensing portion is away from the proximity sensor 6 , the chamfered surface 301 fits with the bottom of the box body 1 , and the fitting effect of the chamfered surface 301 ensures that the rotating sleeve 3 is stable in the box body 1 at this time.

[0030] The embodiment of the present application also provides a refueling vehicle, including a gravity refueling gun 2, a refueling tank, a brake system and the above-mentioned refueling gun placement device, the gravity refueling gun 2 is connected to the refueling tank via a refueling pipeline, and the proximity sensor 6 in the refueling gun placement device is communicated with the brake system; when the refueling vehicle is not refueling, the spring pin 4 is operated to make the clamping plate 408 of the spring pin 4 move out of the slide groove 409 and abut against the end surface of the positioning cylinder 407, the pin head of the spring pin 4 is unlocked, and the refueling gun barrel 201 of the gravity refueling gun 2 is inserted into the rotating sleeve 3 through the socket, and under the action of the gravity of the gravity refueling gun 2, the refueling gun handle 202 falls into the positioning groove 701 of the accommodating portion 101, and the spring pin 4 is operated to make the clamping plate 408 move into the slide groove 409, and the pin head of the spring pin 4 is reset to lock the refueling gun handle 202, at this time The refueling gun barrel 201 is fixed in the rotating sleeve 3, the refueling gun handle 20 2 is fixed between the pin head of the spring pin 4 and the positioning groove 701, the locking effect of the device is stable, the sensing part at the end of the rotating sleeve 3 always keeps sensing with the proximity sensor 6, transmits a signal and controls the brake system of the refueling truck to release the brake, and the refueling truck can drive normally; when using the gravity refueling gun 2 for refueling, the operator only needs to operate the spring pin 4 first to unlock the pin head of the spring pin 4, and then hold the refueling gun handle 202 and lift it up out of the box body 1, which is convenient to operate, and the rotating sleeve 3 tilts forward under the action of its own weight until the chamfered surface 301 of the rotating sleeve 3 fits with the bottom of the box body 1, the sensing part at the end of the rotating sleeve 3 is separated from the sensing of the proximity sensor 6, sends a signal and controls the brake system to brake, so as to ensure the parking safety of the refueling truck, until the gravity refueling gun 2 is fixed in the device after refueling, and the proximity sensor 6 in the device controls the brake system to release the forced brake.

Claims

1. A gravity refueling gun placement device, characterized in that, It includes a box body, a rotating sleeve and a proximity sensor. The proximity sensor is fixedly installed on the side wall of the box body. The rotating sleeve is rotatably installed in the box body, and the rotation center of the rotating sleeve is located at a position where the rotating sleeve deviates from the center of gravity. One end of the rotating sleeve close to the rotation center has a socket for the barrel of the fueling gun to be inserted into the rotating sleeve. The end of the rotating sleeve far from the rotation center has an induction part that approaches or moves away from the proximity sensor synchronously along the rotation path of the rotating sleeve. One side of the box body close to the socket has a receiving part for placing the handle of the fueling gun, and a locking part for restricting the gun seat of the fueling gun from detaching from the receiving part is arranged in the receiving part.

2. The gravity refueling gun placement device according to claim 1, characterized in that, The locking part is a spring pin. The spring pin passes through and is fixed on the side wall of the receiving part through a socket. The pin head of the spring pin moves along the direction close to the receiving part under the drive of the spring of the spring pin and abuts against the inner surface of the handle of the fueling gun located in the receiving part.

3. The gravity refueling gun placement device according to claim 2, characterized in that, A positioning plate is fixed in the receiving part, and a positioning groove matching the outer surface of the handle of the fueling gun is formed on the positioning plate.

4. A gravity refueling gun placement device according to any one of claims 1-3, characterized in that, A bending plate is arranged on the rotating sleeve. The horizontal section of the bending plate is fixedly connected to the outer wall of the rotating sleeve, and the vertical section of the bending plate is parallel to the side wall of the box body and forms the induction part.

5. A gravity refueling gun placement device according to any one of claims 1-3, characterized in that, A rotating shaft is arranged on the rotating sleeve. The rotating shaft is fixedly connected to the outer wall of the rotating sleeve. The two ends of the rotating shaft penetrate and are rotatably connected to the side wall of the box body, and the central axis of the rotating shaft is the rotation center.

6. A gravity refueling gun placement device according to any one of claims 1-3, characterized in that, The receiving part and the box body are integrally arranged, and an opening is arranged at the upper end of the box body. A cover plate is fixed at a position corresponding to the rotating sleeve at the opening.

7. A gravity refueling gun placement device according to any one of claims 1-3, characterized in that An inclined section is arranged at the end of the rotating sleeve far from the rotation center. When the rotating sleeve rotates to a position where the induction part is far from the proximity sensor, the inclined section fits with the bottom of the box body.

8. A fuel tanker, characterized in that, It includes a gravity fueling gun, a fuel tank, a braking system and the fueling gun placement device according to any one of claims 1-7. The gravity fueling gun is connected to the fuel tank through a fuel pipeline, and the proximity sensor is communicatively connected to the braking system.

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