CN216184710U - Pneumatic door opening and closing mechanism for back door of self-discharging muck truck - Google Patents
Pneumatic door opening and closing mechanism for back door of self-discharging muck truck Download PDFInfo
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- CN216184710U CN216184710U CN202122444385.9U CN202122444385U CN216184710U CN 216184710 U CN216184710 U CN 216184710U CN 202122444385 U CN202122444385 U CN 202122444385U CN 216184710 U CN216184710 U CN 216184710U
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Abstract
The utility model discloses a pneumatic door opening and closing mechanism for a rear door of a self-discharging muck truck, which is characterized in that: the utility model adopts a combined structure of a carriage underframe cross beam, an underframe longitudinal beam, a carriage back door underframe beam, a carriage back door lower end beam, a bidirectional cylinder, a locking air port, an unlocking air port, a telescopic arm, a U-shaped connecting shaft fork, a tension spring, a spring pull rod, a T-shaped shaft, a shaft sleeve, a swing arm, a double-end fork rod, a crankshaft lock catch, a crankshaft handle, a fulcrum shaft, a lock catch chuck, a lock catch groove, a pneumatic control assembly, an air source, an air pipeline, a tee joint, a control valve, a normal-open valve, a normally-closed valve and a screw rod, and realizes the scientific and reasonable design, simple structure, convenient operation, quick unlocking and tight back door closing of the self-discharging soil vehicle, and effectively prevents slag soil from spilling and polluting the road surface during the running of the self-discharging soil vehicle. Long service life, low cost, convenient maintenance and high safety. The defects of the prior art are overcome.
Description
Technical Field
The utility model relates to the technical field of self-discharging muck trucks, in particular to a pneumatic door opening and closing mechanism for a rear door of a self-discharging muck truck.
Background
The rear door of the self-discharging muck truck in the prior art adopts a lower opening gravity clamping door closing structure, so that the lower opening of the rear door is not tightly closed, muck is scattered during running, the road surface is polluted, and traffic accidents are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pneumatic door opening and closing mechanism for a rear door of a self-discharging muck truck, which reasonably and effectively solves the problems that the rear door of the self-discharging muck truck in the prior art adopts a lower opening gravity clamping door closing structure, so that the lower opening of the rear door is not tightly closed, muck falls off during running, the road surface is polluted, and traffic accidents are caused.
The utility model adopts the following technical scheme:
the utility model provides a pneumatic type switch door mechanism of self-discharging dregs car back door, including carriage chassis crossbeam, the chassis longeron, carriage back door chassis roof beam, carriage back door lower extreme roof beam, two-way cylinder, the locking gas port, the gas port of unblanking, flexible arm, U-shaped shaft fork, extension spring, the spring pull rod, the T axle, the axle sleeve, the swing arm, the double-end fork arm, the bent axle hasp, the bent axle handle, the fulcrum axle, the hasp dop, the card locked groove, pneumatic control assembly, the air supply, the gas pipeline, the tee bend, the control valve, normal open valve, the normal close valve, the screw rod, its characterized in that:
the device is characterized in that the carriage underframe crossbeam is the carriage underframe crossbeam at the rear end of the self-discharging muck truck, a bidirectional cylinder is fixedly connected to the middle of the carriage underframe crossbeam and/or a corresponding carriage bottom plate, the bidirectional cylinder is provided with a locking air port, an unlocking air port and a telescopic arm, a pneumatic control assembly is connected to the locking air port and the unlocking air port, the end of the telescopic arm is connected with a U-shaped shaft connecting fork, the front end of the U-shaped shaft connecting fork is fixedly connected with the end of the telescopic arm, the rear end of the U-shaped shaft connecting fork is provided with a T-shaped shaft, the handle end of the T-shaped shaft is provided with a screw rod which is in axial connection with the rear end of the U-shaped shaft connecting fork, an extension spring is connected to the handle end or the screw rod of the T-shaped shaft, the other end of the extension spring is connected with a spring pull rod, the other end of the spring pull rod is fixedly connected with the lower inner side of the corresponding carriage back door underframe crossbeam, shaft rods of the T-shaped shaft are in axial connection with two ends and the middle, the shaft sleeves are fixedly connected on the corresponding underframe longitudinal beams or the carriage bottom plate, the two ends of the shaft lever of the T-shaped shaft are fixedly connected with swing arms, the lower end of the swing arm is connected with a screw, the screw is axially connected with a double-end fork rod, the other end of the double-end fork rod is connected with a screw, the screw shaft is axially connected with a crankshaft lock catch which is flat-bottomed and hook-shaped, the whole body is integrally provided with a crankshaft handle, a fulcrum shaft and a lock catch chuck, the crank shaft is arranged obliquely upwards and forwards, the end head of the crank shaft is provided with a screw rod which is in axial connection with the double-end fork rod, the fulcrum shaft is arranged at the bent part at the rear end of the crankshaft handle and is axially connected with the lower inner side of the corresponding carriage rear door bottom frame beam, the lock catch chuck is arranged at the rear end of the crankshaft lock catch in a hook tooth shape, and the pneumatic door opening and closing mechanism for the back door of the self-discharging muck truck is formed by hooking, locking and connecting the locking groove and the locking latch arranged on the lower end surface of the lower end beam of the back door of the carriage.
Further, the pneumatic control subassembly is equipped with the air supply, the air supply is connected and is equipped with the trachea way, the trachea way connection is equipped with the tee bend, the tee bend connection is equipped with normal open valve and normally closed valve, normal open valve and normally closed valve are equipped with the trachea way respectively and are connected with the control valve, the control valve is equipped with control handle and switch and keeps off the position, control handle and switch keep off the position and set up on the driver's cabin, normal open valve with the locking gas port of two-way cylinder is connected, the normally closed valve with the gas port of unblanking of two-way cylinder is connected.
Further, the control valve comprises a manual control valve and an electric control valve, and the control valve is provided with a control button.
Further, the shaft sleeve is connected with or not provided with a connecting plate.
Furthermore, two ends of the double-end fork rod are connected with a U-shaped connecting shaft fork.
Further, or the bidirectional air cylinder is set to be a hydraulic cylinder, and the hydraulic cylinder is connected with a hydraulic unloading system of the self-unloading muck truck.
The beneficial technical effects of the utility model are as follows:
the utility model discloses a pneumatic door opening and closing mechanism for a rear door of a self-discharging muck truck, which reasonably and effectively solves the problems that the rear door of the self-discharging muck truck in the prior art adopts a lower opening gravity clamping door closing structure, so that the lower opening of the rear door is not closed tightly, muck falls off during running, the road surface is polluted, and traffic accidents are caused.
The utility model adopts a combined structure of a carriage underframe cross beam, an underframe longitudinal beam, a carriage back door underframe beam, a carriage back door lower end beam, a bidirectional cylinder, a locking air port, an unlocking air port, a telescopic arm, a U-shaped connecting shaft fork, a tension spring, a spring pull rod, a T-shaped shaft, a shaft sleeve, a swing arm, a double-end fork rod, a crankshaft lock catch, a crankshaft handle, a fulcrum shaft, a lock catch chuck, a lock catch groove, a pneumatic control assembly, an air source, an air pipeline, a tee joint, a control valve, a normal-open valve, a normally-closed valve and a screw rod, and realizes the scientific and reasonable design, simple structure, convenient operation, quick unlocking and tight back door closing of the self-discharging soil vehicle, and effectively prevents slag soil from spilling and polluting the road surface during the running of the self-discharging soil vehicle. Long service life, low cost, convenient maintenance and high safety. The defects of the prior art are overcome.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention.
Fig. 2 is a schematic view of the gas path structure of the present invention.
Fig. 3 is a partial structural schematic diagram of the present invention.
Shown in the figure: 1-carriage underframe cross beam, 2-underframe longitudinal beam, 3-carriage back door underframe beam, 4-carriage back door, 5-bidirectional cylinder, 6-locking air port, 7-unlocking air port, 8-telescopic arm, 9-U-shaped connecting shaft fork, 10-extension spring, 11-spring pull rod, 12-T-shaped shaft, 13-shaft sleeve, 14-swing arm, 15-double-head fork rod, 16-crankshaft lock catch, 17-crankshaft handle, 18-fulcrum shaft, 19-lock catch chuck, 20-lock catch groove, 21-pneumatic control assembly, 22-air source, 23-air pipeline, 24-tee joint, 25-control valve, 26-normal open valve, 27-normal close valve and 28-screw rod.
Detailed Description
The utility model will be better understood by the following description of embodiments thereof, but the applicant's specific embodiments are not intended to limit the utility model to the particular embodiments shown, and any changes in the definition of parts or features and/or in the overall structure, not essential changes, are intended to define the scope of the utility model.
Example (b):
the pneumatic door opening and closing mechanism for the rear door of the self-discharging muck truck comprises a carriage underframe cross beam 1, an underframe longitudinal beam 2, a carriage rear door underframe beam 3, a carriage rear door lower end beam 4, a bidirectional cylinder 5, a locking air port 6, an unlocking air port 7, a telescopic arm 8, a U-shaped connecting shaft fork 9, an extension spring 10, a spring pull rod 11, a T-shaped shaft 12, a shaft sleeve 13, a swing arm 14, a double-end fork rod 15, a crankshaft lock catch 16, a crankshaft handle 17, a fulcrum shaft 18, a lock catch chuck 19, a lock catch groove 20, a pneumatic control assembly 21, an air source 22, an air pipeline 23, a tee joint 24, a control valve 25, a normally open valve 26, a normally closed valve 27 and a screw 28.
Firstly, a carriage underframe beam 1, an underframe longitudinal beam 2, a carriage rear door underframe beam 3 and a carriage rear door lower end beam 4 are arranged.
A bidirectional cylinder 5 is then provided. The bidirectional cylinder 5 is longitudinally arranged in the middle of the carriage underframe beam 1 at the rear end, and the bidirectional cylinder 5 is provided with a locking air port 6, an unlocking air port 7 and a telescopic arm 8. And a pneumatic control assembly 21 is connected to the locking air port 6 and the unlocking air port 7. The end of the telescopic arm 8 is fixedly connected with a U-shaped coupling fork 9. The U-shaped coupling fork 9 is connected with a screw 28, the screw 28 is connected with an extension spring 10 and a T-shaped shaft 12, and the handle end of the T-shaped shaft 12 is axially connected with the screw 28. The extension spring 10 is connected with the rear side of the handle end of the T-shaped shaft 12, and a spring pull rod 11 is connected with the rear end of the extension spring 10. The front end of the spring pull rod 11 is provided with a circular ring which is fixedly connected with the extension spring 10, and the rear end of the spring pull rod is fixedly connected with the inner side of the middle of the lower end beam 4 of the carriage back door. And then, shaft sleeves 13 are arranged at the two ends of the shaft rod of the T-shaped shaft 12, and the shaft sleeves 13 are correspondingly fixed on the underframe longitudinal beam 2. The T-shaped shaft 12 is connected with a swing arm 14, the lower end of the swing arm 14 is provided with a screw 28, the screw 28 is connected with a double-head fork rod 15, the two ends of the double-head fork rod 15 are connected with a U-shaped connecting shaft fork 9, one end of the double-head fork rod is connected with the lower end of the swing arm 14 through a screw 28, and the other end of the double-head fork rod is connected with the U-shaped connecting shaft fork 9 through a crankshaft lock catch 16. The crankshaft lock catch 16 is designed to be a flat-bottomed hook, and a crankshaft shank 17, a fulcrum shaft 18 and a lock catch chuck 19 are integrally arranged on the crankshaft lock catch 16. The crank shaft 17 is obliquely and upwardly arranged at the rear end of the crank shaft lock catch 16, the lock catch chuck 19 is obliquely and upwardly arranged at the front end of the crank shaft lock catch 16, the fulcrum shaft 18 is arranged at the lower end of the crank shaft 17 at the inner side of a flat bottom bent part or a bent part, and the fulcrum shaft shank integrated with the crank shaft lock catch 16 is arranged or not arranged. And a locking groove 20 is arranged on the lower end beam 4 of the carriage back door corresponding to the locking chuck 19 and is in locking connection with the locking chuck 19.
Finally, the pneumatic control assembly 21 is provided. The pneumatic control assembly 21 is provided with an air source 22, an air pipeline 23, a tee joint 24, a control valve 25, a normally open valve 26 and a normally closed valve 27. An air pipeline 23 is connected and arranged on the air source 22, a tee joint 24 is connected and arranged on the air pipeline 23, a control valve 25 and a normally open valve 26 are respectively connected and arranged on the tee joint 24, the air pipeline 23 is respectively arranged on the control valve 25 and is connected with the normally open valve 26 and the normally closed valve 27, and the air pipeline 23 is respectively connected and arranged on the normally open valve 26 and the normally closed valve 27 and is correspondingly communicated with a locking air port 6 and an unlocking air port 7 of the bidirectional air cylinder 5. And finishing the implementation of the pneumatic door opening and closing mechanism for the back door of the self-discharging muck truck.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the utility model be considered as within the following claims.
Claims (6)
1. The utility model provides a pneumatic type switch door mechanism of self-discharging dregs car back door, including carriage chassis crossbeam, the chassis longeron, carriage back door chassis roof beam, carriage back door lower extreme roof beam, two-way cylinder, the locking gas port, the gas port of unblanking, flexible arm, U-shaped shaft fork, extension spring, the spring pull rod, the T axle, the axle sleeve, the swing arm, the double-end fork arm, the bent axle hasp, the bent axle handle, the fulcrum axle, the hasp dop, the card locked groove, pneumatic control assembly, the air supply, the gas pipeline, the tee bend, the control valve, normal open valve, the normal close valve, the screw rod, its characterized in that:
the device is characterized in that the carriage underframe crossbeam is the carriage underframe crossbeam at the rear end of the self-discharging muck truck, a bidirectional cylinder is fixedly connected to the middle of the carriage underframe crossbeam and/or a corresponding carriage bottom plate, the bidirectional cylinder is provided with a locking air port, an unlocking air port and a telescopic arm, a pneumatic control assembly is connected to the locking air port and the unlocking air port, the end of the telescopic arm is connected with a U-shaped shaft connecting fork, the front end of the U-shaped shaft connecting fork is fixedly connected with the end of the telescopic arm, the rear end of the U-shaped shaft connecting fork is provided with a T-shaped shaft, the handle end of the T-shaped shaft is provided with a screw rod which is in axial connection with the rear end of the U-shaped shaft connecting fork, an extension spring is connected to the handle end or the screw rod of the T-shaped shaft, the other end of the extension spring is connected with a spring pull rod, the other end of the spring pull rod is fixedly connected with the lower inner side of the corresponding carriage back door underframe crossbeam, shaft rods of the T-shaped shaft are in axial connection with two ends and the middle, the shaft sleeves are fixedly connected on the corresponding underframe longitudinal beams or the carriage bottom plate, the two ends of the shaft lever of the T-shaped shaft are fixedly connected with swing arms, the lower end of the swing arm is connected with a screw, the screw is axially connected with a double-end fork rod, the other end of the double-end fork rod is connected with a screw, the screw shaft is axially connected with a crankshaft lock catch which is flat-bottomed and hook-shaped, the whole body is integrally provided with a crankshaft handle, a fulcrum shaft and a lock catch chuck, the crank shaft is arranged obliquely upwards and forwards, the end head of the crank shaft is provided with a screw rod which is in axial connection with the double-end fork rod, the fulcrum shaft is arranged at the bent part at the rear end of the crankshaft handle and is axially connected with the lower inner side of the corresponding carriage rear door bottom frame beam, the lock catch chuck is arranged at the rear end of the crankshaft lock catch in a hook tooth shape, and the pneumatic door opening and closing mechanism for the back door of the self-discharging muck truck is formed by hooking, locking and connecting the locking groove and the locking latch arranged on the lower end surface of the lower end beam of the back door of the carriage.
2. The pneumatic door opening and closing mechanism for the rear door of the self-discharging muck truck as claimed in claim 1, wherein the pneumatic control assembly is provided with an air source, the air source connection is provided with an air pipeline, the air pipeline connection is provided with a tee joint, the tee joint is provided with a normally open valve and a normally closed valve, the normally open valve and the normally closed valve are respectively provided with an air pipeline connected with a control valve, the control valve is provided with a control handle and a switch gear, the control handle and the switch gear are arranged on a driving platform, the normally open valve is connected with a locking air port of the bidirectional cylinder, and the normally closed valve is connected with an unlocking air port of the bidirectional cylinder.
3. The pneumatic door opening and closing mechanism for the rear door of the self-discharging muck truck as claimed in claim 1, wherein the control valve comprises a manual control valve and an electric control valve, and the control valve is provided with a control button.
4. The pneumatic door opening and closing mechanism for the rear door of the self-discharging muck truck as claimed in claim 1, wherein the shaft sleeve connection is provided with or without a connecting plate.
5. The pneumatic door opening and closing mechanism for the rear door of the self-discharging muck truck as claimed in claim 1, wherein a U-shaped shaft connecting fork is connected to two ends of the double-end fork rod.
6. The pneumatic door opening and closing mechanism for the back door of the self-discharging muck truck as claimed in claim 1, wherein the bidirectional cylinder is a hydraulic cylinder, and the hydraulic cylinder is connected with a hydraulic discharging system of the self-discharging muck truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122444385.9U CN216184710U (en) | 2021-10-11 | 2021-10-11 | Pneumatic door opening and closing mechanism for back door of self-discharging muck truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122444385.9U CN216184710U (en) | 2021-10-11 | 2021-10-11 | Pneumatic door opening and closing mechanism for back door of self-discharging muck truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216184710U true CN216184710U (en) | 2022-04-05 |
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ID=80864904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122444385.9U Active CN216184710U (en) | 2021-10-11 | 2021-10-11 | Pneumatic door opening and closing mechanism for back door of self-discharging muck truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216184710U (en) |
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2021
- 2021-10-11 CN CN202122444385.9U patent/CN216184710U/en active Active
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