CN212709120U - Interlocking device for working of moving ceiling and carriage lifting top pump of dump truck - Google Patents
Interlocking device for working of moving ceiling and carriage lifting top pump of dump truck Download PDFInfo
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- CN212709120U CN212709120U CN202021454000.6U CN202021454000U CN212709120U CN 212709120 U CN212709120 U CN 212709120U CN 202021454000 U CN202021454000 U CN 202021454000U CN 212709120 U CN212709120 U CN 212709120U
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Abstract
The utility model discloses a lifting and top pump working interlocking device for a moving ceiling and a carriage of a dump truck, which comprises a ceiling transmission motor (1), a transmission shaft (2) connected with the ceiling transmission motor, a stroke limiter (5), a relay (8), a solenoid valve (9), a ceiling transmission chain (10) and a lifting pneumatic valve air inlet pipe (14), wherein one end of the transmission shaft (2) is connected with the stroke limiter (5), and the other end is connected with the ceiling transmission chain (10); the electromagnetic valve (9) is installed at the lifting pneumatic valve air inlet pipe (14), and the electromagnetic valve (9) is connected with the stroke limiter (5) through a relay (8). When using the utility model discloses the time, can lift the overhead pump controlling means through portable ceiling drive mechanism's action and vehicle goods railway carriage or compartment and establish the interlocking between, realize that the ceiling is under the complete open condition, the unable jack-up of goods railway carriage or compartment to avoid because driver's maloperation and the destruction to the freight train removal ceiling that causes.
Description
Technical Field
The utility model relates to an interlock, more specifically relates to a dump truck removes ceiling and carriage and lifts top pump work interlock.
Background
In order to prevent the large freight vehicle from causing environmental pollution problems such as flying and falling of materials in the transportation process, the conventional freight vehicle has the cargo compartment additionally provided with a covering device, so that the aim of closed transportation is fulfilled. At present, most heavy transport vehicles (mainly muck transport vehicles) in the market adopt a movable ceiling technology, namely a canopy covering device which can move back and forth is arranged on the top of a carriage.
However, in the actual use process, the heavy-duty dump truck has the self-unloading function, namely the lifting pneumatic valve is used for controlling the lifting top pump of the carriage to work, so that the carriage is lifted, and the goods in the carriage are unloaded; however, after the movable ceiling is installed, if a driver does not open the ceiling before unloading, the roof is damaged by lifting and unloading the carriage, and unnecessary loss is caused.
Therefore, it is necessary to design an interlock device so as to avoid such damage to the moving ceiling of the truck due to the driver's mishandling.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dump truck removes ceiling and carriage and lifts top pump work interlock, can lift the top pump controlling means through portable ceiling drive mechanism's action and vehicle goods railway carriage or compartment and establish the interlocking between, realize that the ceiling is under the complete open condition, the unable jack-up of goods railway carriage or compartment to avoid because the destruction to the freight train removal ceiling that causes of driver's maloperation.
The utility model provides a technical scheme that its technical problem adopted as follows:
a dump truck movable ceiling and carriage lifting top pump working interlocking device comprises a ceiling transmission motor 1, a transmission shaft 2 connected with the ceiling transmission motor, a stroke limiter 5, a relay 8, an electromagnetic valve 9, a ceiling transmission chain 10 and a lifting pneumatic valve air inlet pipe 14, wherein one end of the transmission shaft 2 is connected with the stroke limiter 5, and the other end of the transmission shaft is connected with the ceiling transmission chain 10; the electromagnetic valve 9 is installed at the lifting pneumatic valve air inlet pipe 14, and the electromagnetic valve 9 is connected with the stroke limiter 5 through the relay 8.
As a further improvement, a screw rod 4 is installed in the stroke limiter 5, a gear 3 is installed at one end of the transmission shaft 2, and the transmission shaft 2 is connected with the screw rod 4 through the gear 3.
As a further improvement, a ceiling opening limit electric shock switch 11 and a ceiling closing limit electric shock switch 12 are arranged in the stroke limiter 5, and the screw rod 4 is in contact with the ceiling opening limit electric shock switch 11 or the ceiling closing limit electric shock switch 12 through positive and negative rotation.
As a further improvement, the intelligent electric shock protection device further comprises a ceiling opening indicator lamp 6 and a ceiling closing indicator lamp 7, wherein one end of the ceiling opening indicator lamp 6 is connected with a ceiling opening limit electric shock switch 11, and the other end of the ceiling opening indicator lamp is connected with an electromagnetic valve 9 through a relay 8; one end of the ceiling closed indicating lamp 7 is connected with the ceiling closed limit electric shock switch 12, and the other end is connected with the positive pole of the power supply.
As a further improvement, an emergency switch 13 is further included, and the emergency switch 13 is connected with the electromagnetic valve 9 through the relay 8.
As a further improvement, the device also comprises a fuse F15 and a fuse G16, wherein one end of the fuse F15 is connected with the negative pole of the power supply, and the other end of the fuse F15 is connected with the stroke limiter 5; one end of the fuse G16 is connected with a fuse F15, and the other end is connected with the electromagnetic valve 9.
As a further improvement, the emergency stop device further comprises a fuse F15 and a fuse G16, wherein one end of the fuse F15 is connected with the negative pole of a power supply, and the other end of the fuse is connected with the; one end of the fuse G16 is connected with the fuse F15 and the emergency switch 13, and the other end is connected with the electromagnetic valve 9.
The utility model has the advantages of it is following:
1. according to the utility model discloses, can lift the top pump controlling means through portable ceiling drive mechanism's action and vehicle goods railway carriage or compartment and establish the interlocking between, realize that the ceiling is under the complete open condition, the unable jack-up of goods railway carriage or compartment to avoid because driver's maloperation and the destruction that causes the freight train to remove the ceiling, both guaranteed the security that the freight train unloaded, reduced the loss that the freight train removed the ceiling and is destroyed and cause again.
2. Through the utility model discloses, installed the ceiling in the driver's cabin and opened or closed pilot lamp completely, can make things convenient for the driver to confirm and remove ceiling position state, improved operating efficiency.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
FIG. 1 is a structural diagram of the interlocking device for the lifting and pumping operation of the movable ceiling and the carriage of the dump truck of the present invention;
FIG. 2 is a schematic diagram of the interlocking device for the operation of the movable ceiling and the carriage lifting top pump of the dump truck of the present invention;
in the figure, 1-ceiling transmission motor, 2-transmission shaft, 3-gear, 4-screw, 5-stroke limiter, 6-ceiling open indicator lamp, 7-ceiling closed indicator lamp, 8-relay, 9-solenoid valve, 10-ceiling transmission chain, 11-ceiling open limit electric shock switch, 12-ceiling closed limit electric shock switch, 13-emergency switch, 14-lifting pneumatic valve air inlet pipe, 15-fuse F, 16-fuse G, 17-lifting pneumatic valve, 18-vehicle rear box top pump control device, and 19-vehicle storage battery.
Detailed Description
The present invention is described in detail below with reference to the drawings and examples, but the scope of the invention is not limited thereto.
Fig. 1 is the utility model discloses dump truck removes ceiling and carriage and lifts top pump work interlock structure picture, including ceiling drive motor 1, the transmission shaft 2 of being connected with ceiling drive motor, 2 one ends of transmission shaft are passed through gear 3 and are connected with screw rod 4 of installing in stroke stopper 5, and one end is passed through the sprocket and is linked to each other with ceiling drive chain 10. As shown in fig. 2, a ceiling open limit switch 11 and a ceiling close limit switch 12 are installed in the stroke limiter 5. When the ceiling transmission motor 1 is started to carry out forward transmission or reverse transmission, the transmission shaft 2 is driven to carry out forward transmission or reverse transmission, and at the moment, one end of the transmission shaft 2 drives the screw rod 4 to carry out forward or backward reciprocating motion through the gear 3; one end of the movable ceiling is controlled by a ceiling transmission chain 10 to open or close the movable ceiling. When the movable ceiling is in a fully open position, the screw rod 4 advances to a set number of turns of ceiling open limit electric shock switch 11 to be closed; when the movable ceiling is in the fully closed position, the screw rod 4 retreats to the set number of turns of ceiling closing limit electric shock switch 12 to be closed.
The vehicle rear box top pump control device 18 controls the action of the lifting pneumatic valve 17 through the lifting pneumatic valve air inlet pipe 14, and further controls the action of the lifting top pump of the dumper carriage. An electromagnetic valve 9 is installed at the position of the lifting pneumatic valve air inlet pipe 14, and the opening and the closing of the electromagnetic valve 9 can control the unblocking and the blocking of the lifting pneumatic valve air inlet pipe 14. The lifting pneumatic valve air inlet pipe 14 is unblocked, and the lifting pneumatic valve controls the lifting top pump of the self-discharging wagon carriage to complete lifting action; if the air inlet pipe 14 of the lifting pneumatic valve is blocked, the top pump of the car can not be lifted. The electromagnetic valve 9 is connected with the stroke limiter 5, when the movable ceiling is in a complete opening position, the screw rod 4 advances to a set number of turns of ceiling opening limit electric shock switches 11 to be closed, the electromagnetic valve 9 is switched on at the moment, the lifting pneumatic valve air inlet pipe 14 is smooth, and the lifting pneumatic valve 17 can control a carriage lifting top pump to lift and unload materials; when the movable ceiling is in a complete closing position, the screw rod 4 retreats to a set number of turns, the ceiling closing limit electric shock switch 12 is closed, the electromagnetic valve 9 is switched off at the moment, the lifting pneumatic valve air inlet pipe 14 is blocked, and the carriage lifting top pump cannot be lifted.
A ceiling open indicator lamp 6 and a ceiling closed indicator lamp 7 can be additionally arranged in the whole circuit, and the ceiling open indicator lamp 6 is additionally arranged in a circuit loop where the ceiling open limit electric shock switch 11 is closed; the ceiling closing indicator light 7 is additionally arranged in a circuit loop in which the ceiling closing limit electric shock switch 12 is positioned when being closed. The ceiling open indicating lamp 6 is connected with the electromagnetic valve 9 through the relay 8, the screw rod 4 moves forward to a set number of turns, the ceiling open limit electric shock switch 11 is closed, and the ceiling open indicating lamp 6 is lightened; the screw rod 4 retreats to the set number of turns, the ceiling closing limit electric shock switch 12 is closed, and the ceiling closing indicator light 7 is lightened at the moment. The open ceiling indicator lamp 6 and the closed ceiling indicator lamp 7 are installed in the cab, and the driver can clearly know that the movable ceiling is in the fully open or fully closed position through the open ceiling indicator lamp 6 and the closed ceiling indicator lamp 7.
An emergency switch 13 can be optionally arranged in the whole circuit, and as shown in fig. 1, the emergency switch 13 is connected with the electromagnetic valve 9 through a relay 8. And the emergency switch 13 is opened under the emergency condition, the electromagnetic valve 9 is switched on, and the carriage lifting top pump can normally work.
Further, as shown in fig. 2, a fuse F15 and a fuse G16 may be added to the entire circuit, where the fuse F15 has a blowing current of 15A and the fuse G16 has a blowing current of 10A. One end of the fuse F15 is connected with the negative pole of the power supply, and the other end is connected with the stroke limiter 5 and the emergency switch 13; fuse G16 has one end connected to fuse F15 and emergency switch 13, and the other end connected to solenoid valve 9. When the whole circuit is overloaded, the components in the circuit are protected, and in addition, the power supply of the whole circuit can be provided by the automobile storage battery 19.
Finally, it should be noted that, although the present invention has been described with reference to the present specific embodiments, it should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that various equivalent changes or substitutions can be made without departing from the spirit of the present invention, and therefore, the changes and modifications to the above embodiments within the spirit of the present invention are all within the scope of the claims of the present invention.
Claims (7)
1. A dump truck movable ceiling and carriage lifting top pump working interlocking device is characterized by comprising a ceiling transmission motor (1), a transmission shaft (2) connected with the ceiling transmission motor, a stroke limiter (5), a relay (8), an electromagnetic valve (9), a ceiling transmission chain (10) and a lifting pneumatic valve air inlet pipe (14), wherein one end of the transmission shaft (2) is connected with the stroke limiter (5), and the other end of the transmission shaft is connected with the ceiling transmission chain (10); the electromagnetic valve (9) is installed at the lifting pneumatic valve air inlet pipe (14), and the electromagnetic valve (9) is connected with the stroke limiter (5) through a relay (8).
2. The interlocking device for the operation of the moving roof and the lifting roof pump of the carriage of the dump truck as claimed in claim 1, wherein: install screw rod (4) in stroke stopper (5), gear (3) are installed to transmission shaft (2) one end, transmission shaft (2) are connected with screw rod (4) through gear (3).
3. The interlocking device for the operation of the moving roof and the lifting roof pump of the carriage of the dump truck as claimed in claim 2, wherein: a ceiling open limit electric shock switch (11) and a ceiling closed limit electric shock switch (12) are arranged in the stroke limiter (5), and the screw rod (4) is in contact with the ceiling open limit electric shock switch (11) or the ceiling closed limit electric shock switch (12) through positive and negative rotation.
4. The interlocking device for the operation of the moving roof and the car lifting roof pump of the dump truck as claimed in claim 3, wherein: the ceiling switch is characterized by further comprising a ceiling opening indicating lamp (6) and a ceiling closing indicating lamp (7), wherein one end of the ceiling opening indicating lamp (6) is connected with a ceiling opening limiting electric shock switch (11), and the other end of the ceiling opening indicating lamp is connected with an electromagnetic valve (9) through a relay (8); one end of the ceiling closed indicating lamp (7) is connected with the ceiling closed limit electric shock switch (12), and the other end of the ceiling closed indicating lamp is connected with the positive pole of the power supply.
5. The dump truck moving roof and car lifting roof pump interlock as defined in any one of claims 1 to 4, wherein: the emergency control device is characterized by further comprising an emergency switch (13), wherein the emergency switch (13) is connected with the electromagnetic valve (9) through a relay (8).
6. The dump truck moving roof and car lifting roof pump interlock as defined in any one of claims 1 to 4, wherein: the safety protection device further comprises a fuse F (15) and a fuse G (16), wherein one end of the fuse F (15) is connected with the negative electrode of the power supply, and the other end of the fuse F (15) is connected with the stroke limiter (5); fuse F (15) is connected to the one end of fuse G (16), and solenoid valve (9) is connected to the other end.
7. The interlocking device for the operation of the moving roof and the car lifting roof pump of the dump truck as claimed in claim 5, wherein: the safety protection device further comprises a fuse F (15) and a fuse G (16), wherein one end of the fuse F (15) is connected with the negative electrode of the power supply, and the other end of the fuse F (15) is connected with the stroke limiter (5) and the emergency switch (13); fuse F (15) and emergency switch (13) are connected to the one end of fuse G (16), and solenoid valve (9) are connected to the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454000.6U CN212709120U (en) | 2020-07-22 | 2020-07-22 | Interlocking device for working of moving ceiling and carriage lifting top pump of dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454000.6U CN212709120U (en) | 2020-07-22 | 2020-07-22 | Interlocking device for working of moving ceiling and carriage lifting top pump of dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212709120U true CN212709120U (en) | 2021-03-16 |
Family
ID=74907992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021454000.6U Active CN212709120U (en) | 2020-07-22 | 2020-07-22 | Interlocking device for working of moving ceiling and carriage lifting top pump of dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212709120U (en) |
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2020
- 2020-07-22 CN CN202021454000.6U patent/CN212709120U/en active Active
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