CN220262754U - Braking interlocking device used during loading and unloading of tank truck - Google Patents
Braking interlocking device used during loading and unloading of tank truck Download PDFInfo
- Publication number
- CN220262754U CN220262754U CN202320557018.6U CN202320557018U CN220262754U CN 220262754 U CN220262754 U CN 220262754U CN 202320557018 U CN202320557018 U CN 202320557018U CN 220262754 U CN220262754 U CN 220262754U
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- Prior art keywords
- tank truck
- unloading
- brake
- interlocking
- braking
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- 238000007599 discharging Methods 0.000 claims abstract description 5
- 230000009977 dual effect Effects 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 210000002445 nipple Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000010771 distillate fuel oil Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model relates to the technical field of tank truck transportation, and particularly discloses a braking interlocking device for loading and unloading of a tank truck. The hydraulic control system comprises a mechanical brake interlocking assembly, a height control valve and a pneumatic control system which are arranged on a tank truck; the pneumatic control system is used for controlling the braking of the tank truck; the mechanical braking interlocking component comprises a mounting seat fixed at one side of a discharge opening of the tank truck, the height control valve is mounted on the mounting seat, a rotating piece is rotationally connected to the mounting seat, and a braking interlocking connecting plate is arranged on the rotating piece and connected with the height control valve; when the rotating piece rotates to be blocked at the outer side of the discharging opening, the braking interlocking connecting plate drives the height control valve to rotate, so that the braking of the tank truck is controlled through the pneumatic control system. The interlocking device has low cost, ingenious structure and simple and reliable operation, well eliminates the safety accidents possibly caused by human errors of operators in the loading and unloading process, and enhances the safety guarantee measures for the operators, vehicles and stations.
Description
Technical Field
The utility model relates to the technical field of tank truck transportation, and particularly discloses a braking interlocking device for loading and unloading of a tank truck.
Background
Tank trucks are a common type of engineering transportation vehicles, and are used for carrying light fuel oil such as gasoline, kerosene, diesel oil and the like, and providing fuel distribution for vehicles, agricultural machinery, boilers, construction machinery, hotels and the like.
In general, a tank body of the tank truck is provided with a discharge opening for connecting a discharge hose for fuel delivery. The discharge outlet of many liquid tank transportation vehicles in the existing market is not provided with a safety device, operators sometimes forget to pull out a discharge hose to start the vehicle to run after the loading and unloading are completed, the discharge hose is pulled to break, dangerous goods media such as oil materials are scattered on the ground, pollution is caused, and serious safety accidents and casualties can be generated once naked flame is encountered. Accordingly, there is a need to develop a brake interlock to prevent an operator from initiating vehicle travel before proper retraction of the discharge hose is not completed.
Disclosure of Invention
The utility model aims to solve the potential safety hazard caused by the vehicle travel of a tank truck unloading hose before the tank truck unloading hose is not pulled out, and provides a braking interlocking device for loading and unloading of the tank truck.
The utility model discloses a braking interlocking device for loading and unloading of a tank truck, which adopts the following technical scheme:
a braking interlocking device used for loading and unloading of a tank truck comprises a mechanical braking interlocking component, a height control valve and a pneumatic control system which are arranged on the tank truck; the pneumatic control system is connected with the height control valve and is used for controlling the braking of the tank truck; the mechanical braking interlocking assembly comprises a mounting seat fixed on one side of a discharge opening of the tank truck, the height control valve is mounted on the mounting seat, a rotating piece is rotationally connected to the mounting seat, and a braking interlocking connecting plate is arranged on the rotating piece and connected with the height control valve; when the rotating piece rotates to be blocked at the outer side of the discharging opening, the braking interlocking connecting plate drives the height control valve to rotate, so that the braking of the tank truck is controlled through the pneumatic control system; when the rotating piece rotates to the outer side far away from the discharging opening, the braking interlocking connecting plate drives the height control valve to rotate, so that the braking of the tank truck is relieved through the pneumatic control system.
Preferably, the device further comprises a locking piece, wherein the locking piece is used for locking the rotation angle of the rotating piece.
Further preferably, the locking member is any one of a latch, a buckle, and a screw.
Further preferably, the locking member includes a latch locking plate fixed to the mounting base, and a latch fixed to the rotating member; the bolt limiting plate is provided with a locking hole, and the bolt is inserted into the locking hole in a matching way.
Further preferably, a spring is sleeved on the bolt.
Further preferably, the rotating member includes a handle, a brake interlock crossbar disposed at one end of the handle, and an interlock sleeve disposed at the other end of the handle; an interlocking rotating shaft is arranged on the mounting seat and is in matched rotation connection with the interlocking sleeve; when the tank truck is braked, the brake interlocking cross rod is blocked at the outer side of the discharge opening.
Further preferably, a grease nipple is mounted on the interlocking sleeve.
Further preferably, a limiting mounting plate is arranged at the tail end of the interlocking sleeve, and a cotter pin is arranged at the end, extending out of the interlocking sleeve, of the interlocking rotating shaft and is abutted with the limiting mounting plate.
Preferably, the pneumatic control system comprises an air pipe connected with the height control valve and a double-cavity brake air chamber.
Further preferably, the pneumatic control system further comprises a quick release valve connected between the height control valve and the dual chamber brake chamber.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
through setting up mechanical braking interlocking subassembly, altitude control valve and pneumatic control system for operating personnel can control the rotation of rotating member, can remove the material that the rotating member was sheltered from the tank wagon discharge opening outside on the one hand, thereby make the access step of next step's unloading hose, on the other hand can drive the rotation of altitude control valve through braking interlocking connecting plate, thereby make pneumatic control system control car's braking; when the unloading is completed and the unloading hose is collected, the rotating piece is controlled to rotate until the rotating piece is blocked at the outer side of the unloading opening, and at the moment, the braking interlocking connecting plate drives the height control valve to rotate, so that the braking of the pneumatic control system on the vehicle is relieved. The interlocking device has the advantages of low cost, ingenious structure, simple and reliable operation, well reduces potential safety hazards caused by human errors of operators in the loading and unloading process, and enhances the safety guarantee measures for the operators, vehicles and stations.
Drawings
Fig. 1 is a schematic view showing the overall structure of a mechanical interlock assembly of a brake interlock device for loading and unloading of a tank truck according to the present embodiment;
FIG. 2 is a top view of a mechanical interlock assembly of the present embodiment for a brake interlock device for loading and unloading of a tank truck;
FIG. 3 is a schematic view showing the installation of a mechanical interlock assembly of a brake interlock device for loading and unloading of a tank truck according to the present embodiment;
fig. 4 is a schematic diagram of a pneumatic control system of a brake interlock device for loading and unloading of a tank truck according to the present embodiment.
Reference numerals illustrate: 1. a brake interlock mounting plate; 2. interlocking the rotating shafts; 3. a height control valve; 4. interlocking the sleeves; 5. a handle; 6. a grease nipple; 7. installing a limiting plate; 8. a latch lock plate; 9. a connecting seat; 10. a plug pin; 11. a brake interlock connection plate; 12. a brake interlock rail; 13. a brake interlock rail seal plate; 14. limiting round steel; 15. butterfly valve; 16. an air pipe; 17. a dual chamber brake chamber; 18. and a quick release valve.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
A brake interlock device for loading and unloading of a tank truck, as shown in fig. 1-, includes a mechanical brake interlock assembly, a height control valve 3, and a pneumatic control system mounted on the tank truck.
The mechanical brake interlocking assembly comprises a brake interlocking mounting plate 11 fixed on one side of a discharge opening of the tank truck and a connecting seat 9 fixed on the brake interlocking mounting plate 1, the height control valve 3 is fixedly arranged on the connecting seat 9, a rotating piece is rotatably connected to the brake interlocking mounting plate 1, and the brake interlocking connecting plate 11 is arranged on the rotating piece and connected with the height control valve 3.
In this embodiment, the rotating member comprises a handle 5, a brake interlock crossbar 12 provided at one end of the handle 5, and an interlock sleeve 4 provided at the other end of the handle 5.
Referring to the drawings, an interlock rotary shaft 2 is provided on a brake interlock mounting plate 1, and the interlock rotary shaft 2 is connected with an interlock sleeve 4 in a matching rotation manner. As a preferable scheme, the grease nipple 6 is arranged on the interlocking sleeve 4 and is used for providing lubrication effect when the interlocking sleeve 4 and the interlocking rotary shaft 2 rotate mutually, so that the resistance of workers during operation is reduced; a stopper plate 7 is installed at the right end of the interlock sleeve 4, and then a small hole is drilled at the end of the interlock rotary shaft 2 protruding from the interlock sleeve 4, and a cotter pin (not shown in the drawing) is installed in the small hole so that the cotter pin abuts against the stopper mounting plate, thereby preventing the interlock sleeve 4 from being displaced.
Referring to the figure, a limit round steel 14 is fixed on the handle 5, the height control valve 3 is mounted on the connecting seat 9 by using a countersunk bolt, the tail end of the height control valve 3 is fixed by using a bolt to fix the brake interlocking connecting plate 11, the other end of the brake interlocking connecting plate 11 is sleeved into the limit round steel 14 on the handle 5, and the shaft inside the height control valve 3 can be driven to rotate by controlling the handle 5 to rotate, so that the air path is controlled.
In addition, the mechanical brake interlock assembly of the present embodiment further includes a locking member for locking a rotation angle of the rotation member. Specifically, the locking piece comprises a bolt limiting plate 8 fixed on a connecting seat 9 and a bolt 10 riveted and fixed on the handle 5; the latch locking plate 8 is provided with an arc matched with the rotation direction of the rotating piece, the latch locking plate 8 is provided with a locking hole, and the latch 10 is inserted and locked in the matching way with the locking hole, so that the rotation angle of the rotating piece is locked. Preferably, the latch 10 is sleeved with a spring (not shown in the drawings) to enhance the locking stability between the latch 10 and the latch lock plate 8.
Specifically, the brake interlocking cross bar 12, the brake interlocking cross bar sealing plate 13, the handle 5, the limit round steel 14 and the interlocking sleeve 4 are welded into a whole; the brake interlocking mounting plate 1 and the interlocking rotary shaft 2 are welded into a whole; the latch locking plate 8 and the connection seat 9 are assembled into one body by welding, and the above components are assembled into one body by bolts, nuts, gaskets and spring washers.
As shown in fig. 3, the mechanical brake interlock assembly is integrally assembled with the butterfly valve 15 of the loading and unloading port of the tank truck through bolting, and the brake interlock device is arranged on the right side of the butterfly valve 15 to facilitate right-hand operation and control.
Referring to fig. 4, the pneumatic control system comprises an air pipe 16 connected with the height control valve 3 and a double-cavity brake air chamber 17 for controlling the brake of the tank truck; as a preferred scheme, the pneumatic control system can further comprise a quick release valve 18, wherein the quick release valve 18 is connected between the height control valve 3 and the double-cavity brake air chamber 17, and the height control valve 3, the double-cavity brake air chamber 17 and the quick release valve 18 are connected with each other through an air pipe 16 to form the pneumatic control system of the brake interlocking device together.
As shown in fig. 4, the height control valve 3 works under different working conditions:
(1) air supply state: the gas from the gas storage cylinder is supplied to the deflation braking cavity of the double-cavity braking air chamber 17 through the height control valve 3 and the quick release valve 18;
(2) non-air-supply state: the gas in the double-cavity brake chamber 17 is communicated with the atmosphere through a quick release valve 18 to realize quick release. The quick release valve 18 can realize the quick release of the gas of the double-cavity brake chamber 17 without passing through the height control valve 3, thereby reducing the response time of emergency braking and parking braking.
The working principle of the utility model is as follows:
(1) when loading and unloading are needed, the spring bolt 10 is pulled back to a certain position and stopped at one side of the corresponding locking hole position, at the moment, the brake interlocking cross rod 12 can be rotated upwards by a certain angle by a hand, then the spring bolt 10 is aligned to the locking hole on the bolt locking plate 8 and inserted, the brake interlocking cross rod 12 is locked to the position and is not moved, at the moment, the unloading blanking cover can be removed, an external loading and unloading hose is used for docking with the unloading valve, and loading and unloading can be carried out by opening the butterfly valve 15 through a handle; meanwhile, the interlocking connection plate 11 is driven to rotate upwards by a certain angle in the process, so that the air path of the height control valve 3 is communicated with the atmosphere, and air in a deflation braking cavity of the double-cavity braking air chamber 17 is rapidly discharged through the quick release valve 18, so that the connecting rod and the adjusting arm are pushed to brake the vehicle; thus, the vehicle is always in a braking state in the loading and unloading process.
(2) When loading and unloading are completed, the butterfly valve 15 is closed, the blanking hose is pulled out, the blanking cover is covered, the spring bolt 10 is pulled out, meanwhile, the braking interlocking cross rod 12 is rotated downwards to a certain angle to be horizontal, and the spring bolt 10 is inserted into a locking hole below the bolt locking plate 8 and is inserted; meanwhile, the process drives the interlocking connection plate 11 to rotate downwards by a certain angle, so that the air path of the height control valve 3 is communicated with the air chamber of the vehicle, and the air from the air chamber inflates the deflation braking cavity of the double-cavity braking air chamber through the height control valve 3 and the quick release valve 18, so that the connecting rod and the adjusting arm are pushed to release the braking of the vehicle; thus, after loading and unloading are completed, the vehicle can normally run after the brake is released.
On the premise of meeting national laws and regulations, the interlocking device is designed, and the interlocking device is operated to brake and unbraked the vehicle by means of the control valve and the pneumatic control system, so that the vehicle is in a braking state in the whole process of loading and unloading operation; when loading and unloading are completed, the vehicle releases the brake and normally runs only when the unloading hose is removed and the interlocking device is completely reset, so that the safety of the loading and unloading process is protected.
The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description of the utility model that follows may be better understood, and in order that the present principles and embodiments may be better understood; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.
Claims (10)
1. The brake interlocking device for loading and unloading of the tank truck is characterized by comprising a mechanical brake interlocking component, a height control valve and a pneumatic control system, wherein the mechanical brake interlocking component, the height control valve and the pneumatic control system are arranged on the tank truck; the pneumatic control system is connected with the height control valve and is used for controlling the braking of the tank truck; the mechanical braking interlocking assembly comprises a mounting seat fixed on one side of a discharge opening of the tank truck, the height control valve is mounted on the mounting seat, a rotating piece is rotationally connected to the mounting seat, and a braking interlocking connecting plate is arranged on the rotating piece and connected with the height control valve; when the rotating piece rotates to be blocked at the outer side of the discharging opening, the braking interlocking connecting plate drives the height control valve to rotate, so that the braking of the tank truck is controlled through the pneumatic control system; when the rotating piece rotates to the outer side far away from the discharging opening, the braking interlocking connecting plate drives the height control valve to rotate, so that the braking of the tank truck is relieved through the pneumatic control system.
2. A brake interlock device for loading and unloading of a tank truck according to claim 1, further comprising a locking member for locking a rotation angle of the rotating member.
3. A brake interlock for loading and unloading of a tank truck according to claim 2, wherein the locking member is any one of a latch, a buckle, and a screw.
4. A brake interlock for loading and unloading of a tank truck according to claim 2 wherein said locking member includes a latch locking plate secured to said mounting base and a latch secured to said rotating member; the bolt limiting plate is provided with a locking hole, and the bolt is inserted into the locking hole in a matching way.
5. The brake interlock device for loading and unloading of a tank truck according to claim 4, wherein the latch is further provided with a spring.
6. A brake interlock for loading and unloading of a tank truck according to any one of claims 1 to 5 wherein the rotating member includes a handle, a brake interlock rail provided at one end of the handle, and an interlock sleeve provided at the other end of the handle; an interlocking rotating shaft is arranged on the mounting seat and is in matched rotation connection with the interlocking sleeve; when the tank truck is braked, the brake interlocking cross rod is blocked at the outer side of the discharge opening.
7. A brake interlock for loading and unloading of a tank truck according to claim 6 wherein said interlock sleeve is fitted with a grease nipple.
8. The brake interlock device for loading and unloading of a tank truck according to claim 6, wherein a limit mounting plate is provided at a distal end of the interlock sleeve, and a cotter pin is installed at an end of the interlock rotating shaft extending out of the interlock sleeve, the cotter pin being abutted with the limit mounting plate.
9. A brake interlock for use in loading and unloading a tank truck according to claim 1 wherein said pneumatic control system includes a pneumatic tube connected to said height control valve and a dual chamber brake chamber.
10. A brake interlock for use in loading and unloading a tank truck according to claim 9 wherein said pneumatic control system further comprises a quick release valve connected between said height control valve and said dual chamber brake chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320557018.6U CN220262754U (en) | 2023-03-20 | 2023-03-20 | Braking interlocking device used during loading and unloading of tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320557018.6U CN220262754U (en) | 2023-03-20 | 2023-03-20 | Braking interlocking device used during loading and unloading of tank truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220262754U true CN220262754U (en) | 2023-12-29 |
Family
ID=89313567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320557018.6U Active CN220262754U (en) | 2023-03-20 | 2023-03-20 | Braking interlocking device used during loading and unloading of tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220262754U (en) |
-
2023
- 2023-03-20 CN CN202320557018.6U patent/CN220262754U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |