CN214098220U

CN214098220U - Detection tool box for dead man control system

Info

Publication number: CN214098220U
Application number: CN202120507030.7U
Authority: CN
Inventors: 李剑平; 韩晓刚
Original assignee: China Aviation Oil Co ltd Xi'an Branch
Current assignee: China Aviation Oil Co ltd Xi'an Branch
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-08-31
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses a detection tool box for a foodman control system, which comprises a tool box body with a handle, and is characterized in that a device panel is fixed inside the tool box body, a bent pipe joint, an aviation joint, a spare joint, a fixing tool and a locking clamp are fixed on the upper side surface of the device panel, the bent pipe joint, the aviation joint and the spare joint are positioned on the same straight line, and the spare joint is completely the same as the aviation joint and is spare for the aviation joint; the fixing tool and the locking clamp are matched for use and used for fixing the dead demann handle; an electromagnetic valve and an air cylinder are fixed on the lower side of the device panel. The PLC arranged in the tool box transmits data to an external operation computer in real time, so that the data is conveniently recorded and stored, and meanwhile, the detection does not need to be operated by multiple persons, the human error is reduced, and the accuracy of the detection is effectively improved; the detection device is arranged in the tool box, is convenient to carry and move, and can detect the dead man control system in various scenes.

Description

Detection tool box for dead man control system

Technical Field

The utility model relates to an aviation tank service truck staying demann control system technical field, concretely relates to a detect toolbox for staying demann control system.

Background

The aviation refueling truck is a special vehicle for refueling an airplane, and mainly comprises a pipeline refueling truck and a tank refueling truck, wherein the two vehicles are both provided with a dead demann control system, the system comprises a dead demann switch (handle), a control line, a pipeline and a switch valve, and the switch valve is a valve which is connected with an airplane mailbox and has the functions of disconnection and opening, so that the safety during refueling operation is ensured. When the aircraft refueling truck refuels an aircraft, the switch valve can be opened to refuel the aircraft only by closing the deadman switch through operation, and when an emergency or other needs occur, the switch valve on the aircraft refueling truck can be closed immediately by releasing the deadman switch to stop fuel supply, so that accidents are avoided.

Along with the improvement of the living standard of residents, each aircraft bears more flight tasks and needs to be refueled more times, so that the effectiveness monitoring of equipment on an aviation refueling truck is required to be done regularly for refueling safety, and in order to avoid refueling safety accidents caused by the fact that a switching valve cannot be opened or closed timely due to the overlong response time of a dead demann control system when the aircraft is refueled, the effective detection of the dead demann control system is very important and cannot be ignored.

At present, the conventional detection means of the dead man control system is to manually observe the mechanical state of a switch valve by one operator, a hand-held timer for reading and another operator, finish detection by the mutual cooperation of people, observe data records and arrange by the people, and obtain detection data through later-stage manual calculation. The existing detection method needs more participants, is complex in operation flow, can generate artificial judgment errors, affects detection accuracy, is long in time for checking and calculating data at a later stage, cannot rapidly issue a detection result, affects detection efficiency, and has higher and higher requirements on document management and hidden danger in traceability of manually recorded data along with the increasing number of dead demann control systems needing to be detected.

Therefore, a new detection device is urgently needed, which can realize the rapid detection of the dead man control system, reduce the number of operators and ensure the detection effectiveness.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming above-mentioned prior art not enough, provide a detection toolbox for staying the deman control system, can realize carrying out high-efficient the detection to staying the deman control system, reduced the operating personnel's that whole in-process needs quantity, this toolbox portable removes simultaneously, is convenient for remove between different tank service trucks.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the detection tool box for the dead man control system comprises a tool box body with a handle, wherein a device panel is fixed inside the tool box body, a bent pipe joint, an aviation joint, a spare joint, a fixing tool and a locking clamp are fixed on the upper side surface of the device panel, the bent pipe joint, the aviation joint and the spare joint are positioned on the same straight line and close to the edge of the device panel close to an operator, and the spare joint is completely the same as the aviation joint and is spare for the aviation joint; the fixing tool and the locking clamp are matched for use and used for fixing the dead demann handle; an electromagnetic valve and an air cylinder are fixed on the lower side of the device panel.

The solenoid valve is two five solenoid valves, and wherein R mouth and S mouth are connected with the muffler, and the A mouth of solenoid valve is connected with the A mouth of cylinder, and the B mouth of solenoid valve is connected with the B mouth of cylinder, utilizes solenoid valve department to connect fixed muffler and reduces aerodynamic noise, reduces the noise pollution in the testing process.

The pressure gauge is fixed on the panel of the device, penetrates through a reserved vertical through hole of the panel of the device, faces upwards, and is connected with the elbow joint and the P port of the electromagnetic valve through a flexible rubber pipe.

The fixing tool is a cuboid block provided with a groove matched with the dead demann handle, the position of the dead demann handle is fixed during detection, and the detection effect is guaranteed.

The locking clamp comprises a support and a clamping handle fixed on the upper side of the support, wherein a fixed cylinder is further fixed on the upper side face of the support, the clamping handle comprises a handle, a clamping head and a connecting hinge, the support and the connecting hinge are fixedly connected through a pin, the clamping head is a round rod, one end of the clamping head is fixed with the connecting hinge, and the other end of the clamping head penetrates through the fixed cylinder at the support and is attached to the top end of the Darman handle.

The air cylinder is also fixedly provided with a first magnetic switch, a second magnetic switch and a soft rubber head, the first magnetic switch and the second magnetic switch are respectively fixed on one side of the air cylinder, which is far away from the device panel, and are positioned on a movable track of the piston, and the two magnetic switches are used for setting the initial position and the final position of the piston of the air cylinder; the head is the half cylinder of vertical setting, utilizes the fix with screw at the front end of cylinder piston, and the device panel is in that the position that the head corresponds is opened to have oval through-hole simultaneously, and the flexible glue head upwards stretches out and contacts with slow-witted demann handle from oval through-hole, utilizes the cooperation of flexible glue head and cylinder to realize compressing tightly and releasing slow-witted demann handle.

The bottom of the panel of the device is also fixedly provided with a PLC (programmable logic controller), the PLC is respectively connected with the pressure gauge, the electromagnetic valve, the air cylinder and the aviation connector, and the PLC is used for collecting data information in the detection tool box and is connected with an external computer through the aviation connector, so that the requirement of automatically detecting the dead demann system is met.

The pressure sensor is also arranged in the tool box body, and is fixed at the switch valve of the aviation refueling truck by an operator before detection to measure the pressure value at the switch valve; and the pressure sensor is connected with the PLC when in use.

The utility model has the advantages that:

1) the data are transmitted to an external operation computer in real time through a PLC arranged in the tool box, so that the data are conveniently recorded and stored, meanwhile, the detection does not need to be operated by multiple persons, the personal error is reduced, and the accuracy of the detection is effectively improved;

2) the detection device is arranged in the tool box, is convenient to carry and move, and can detect the dead man control system in various scenes;

3) the internal parts of the device all meet the explosion-proof requirement, and the requirement of detecting the aircraft refueling truck on site is met.

Drawings

FIG. 1 is a schematic view of the construction of the present tool box;

FIG. 2 is a schematic view of the structure of the device panel;

FIG. 3 is a schematic view of the structure of the cylinder;

FIG. 4 is a schematic diagram of the apparatus;

wherein, 1, a pressure gauge; 2. a pipe bending joint; 3. an aircraft joint; 4. a spare joint; 5. fixing the tool; 6. a tool box body; 7. a locking clamp; 8. a device panel; 9. an electromagnetic valve; 10. a cylinder; 11. a first magnetic switch; 12. a second magnetic switch; 13. a soft rubber head; 14. a screw; 15. an external gas source.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed by the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1-4, the detection tool box for the dumb demann control system comprises a tool box body 6 with a handle, a device panel 8 is fixed inside the tool box body 6, an elbow joint 2, an aviation joint 3, a spare joint 4, a fixing tool 5 and a locking clamp 7 are fixed on the upper side surface of the device panel 8, the elbow joint 2, the aviation joint 3 and the spare joint 4 are located on the same straight line and close to the edge of the device panel 8 close to an operator, and the spare joint 4 is completely the same as the aviation joint 3 and is spare for the aviation joint 3; the fixing tool 5 is matched with the locking clamp 7 for use and is used for fixing the dead man handle; an electromagnetic valve 9 and an air cylinder 10 are fixed on the lower side of the device panel 8. The solenoid valve 9 is two five solenoid valves, and wherein R mouth and S mouth are connected with the muffler, and the A mouth of solenoid valve 9 is connected with the A mouth of cylinder, and the B mouth of solenoid valve 9 is connected with the B mouth of cylinder, utilizes solenoid valve department to connect fixed muffler and reduces aerodynamic noise, reduces the noise pollution in the testing process. The device panel 8 still is fixed with manometer 1, and manometer 1 passes the vertical through-hole that device panel 8 reserved, and the surface up, and manometer 1 passes through the flexible glue pipe connection with elbow fitting 2 and solenoid valve P mouth respectively.

A first magnetic switch 11, a second magnetic switch 12 and a soft rubber head 13 are further fixed at the position of the cylinder 10, the first magnetic switch 11 and the second magnetic switch 12 are respectively fixed at one side of the cylinder 10, which is far away from the device panel 8, and are positioned on a movable track of the piston, and the two magnetic switches are used for setting the initial position and the final position of the piston of the cylinder; the head 13 is the vertical half cylinder that sets up, utilizes screw 14 to fix at the front end of cylinder piston, and device panel 8 is in that the position that head 13 corresponds is opened has oval through-hole simultaneously, and soft glue head 13 upwards stretches out and contacts with staying the delmann handle from oval through-hole, utilizes the cooperation of soft glue head 13 and cylinder 10 to realize compressing tightly and the release to staying the delmann handle.

PLC is fixed with to device panel 8 bottom, and PLC is connected with manometer 1, solenoid valve 9, cylinder and aviation connector 3 respectively, utilizes PLC to collect the data information that detects the toolbox and is connected with outside computer through aviation connector 3, realizes the demand of automatic detection slow-witted demann system.

A pressure sensor is also arranged in the tool box body 6, and the pressure sensor is fixed at a switch valve of the aviation refueling truck by an operator before detection and is used for measuring the pressure value at the switch valve; the pressure sensor is also connected to the PLC.

The fixing tool 5 is a cuboid block provided with a groove matched with the dead man handle, and the position of the dead man handle is fixed during detection, so that the detection effect is guaranteed. The locking clamp 7 comprises a support and a clamping handle fixed on the upper side of the support, wherein a fixed cylinder is further fixed on the upper side face of the support, the clamping handle comprises a handle, a clamping head and a connecting hinge, the support and the connecting hinge are fixedly connected through a pin, the clamping head is a round rod, one end of the clamping head is fixed with the connecting hinge, and the other end of the clamping head penetrates through the fixed cylinder at the support and is attached to the top end of the Darman handle.

During the specific use, at first pull down device panel 8, take out pressure sensor and with pressure sensor installation to aviation tank service truck's ooff valve department, be connected outside air supply 15 with solenoid valve 9 through manometer 1, through the exchange of admitting air and giving vent to anger of control solenoid valve 9, realize the reciprocating motion of piston in the cylinder 10, drive the flexible glue head 13 reciprocating motion, test the switching action of staying demann's handle. The initial position and the final position of the piston in the cylinder 10 are set by the first magnetic switch 11 and the second magnetic switch 12 to form a feedback signal which is transmitted to an external computer, so that the actions of pressing and releasing with the dead demann handle are realized.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. A detection tool box for a dead man control system comprises a tool box body with a handle, and is characterized in that a device panel is fixed inside the tool box body, a bent pipe joint, an aviation joint, a spare joint, a fixing tool and a locking clamp are fixed on the upper side surface of the device panel, the bent pipe joint, the aviation joint and the spare joint are positioned on the same straight line and close to the edge of the device panel close to an operator, and the spare joint is completely the same as the aviation joint and is spare for the aviation joint; the fixing tool and the locking clamp are matched for use and used for fixing the dead demann handle; an electromagnetic valve and an air cylinder are fixed on the lower side of the device panel.

2. The detection kit for the dumman control system as claimed in claim 1, wherein the solenoid valve is a two-position five-way solenoid valve, wherein the ports R and S are connected with a silencer, the port a of the solenoid valve is connected with the port a of the cylinder, and the port B of the solenoid valve is connected with the port B of the cylinder.

3. The detection tool box for the slow-witted demann control system as in claim 1, wherein a pressure gauge is further fixed at the device panel, the pressure gauge passes through a vertical through hole reserved in the device panel and faces upward, and the pressure gauge is connected with the elbow joint and the port P of the solenoid valve through a flexible rubber hose.

4. The inspection tool box for the dumb demann control system as claimed in claim 1, wherein the fixing tool is a cuboid block with a groove matched with the dumb demann handle.

5. The inspection tool box for the dumb demann control system as claimed in claim 1, wherein the locking clamp comprises a bracket and a clamping handle fixed on the upper side of the bracket, wherein the upper side of the bracket is further fixed with a fixed cylinder, the clamping handle comprises a handle, a clamping head and a connecting hinge, the bracket and the connecting hinge are fixedly connected through a pin, the clamping head is a round rod, one end of the clamping head is fixed with the connecting hinge, and the other end of the clamping head passes through the fixed cylinder at the bracket to be attached to the top end of the dumb demann handle.

6. The detection tool box for the slow-witted demann control system as in claim 1, wherein the cylinder is further fixed with a first magnetic switch, a second magnetic switch and a soft rubber head, the first magnetic switch and the second magnetic switch are respectively fixed on one side of the cylinder away from the device panel and located on a movable track of the piston, and the two magnetic switches are used for setting an initial position and a final position of the piston of the cylinder; the flexible glue head is a semi-cylinder body which is vertically arranged, and is fixed at the front end of the cylinder piston by a screw, and meanwhile, an oval through hole is formed in the position, corresponding to the flexible glue head, of the device panel, and the flexible glue head extends upwards from the oval through hole and is in contact with the dead demann handle.

7. The detection tool box for the slow-witted demann control system as in claim 1, wherein, a PLC is fixed on the bottom of the device panel and is connected with the pressure gauge, the solenoid valve, the cylinder and the aviation connector respectively.

8. The inspection tool box for the dumman control system as claimed in claim 1, wherein a pressure sensor is further disposed in the tool box body, and the pressure sensor is connected to the PLC when in use.