CN211364524U - Supporting leg limited suction and exhaust vehicle - Google Patents
Supporting leg limited suction and exhaust vehicle Download PDFInfo
- Publication number
- CN211364524U CN211364524U CN201922107999.0U CN201922107999U CN211364524U CN 211364524 U CN211364524 U CN 211364524U CN 201922107999 U CN201922107999 U CN 201922107999U CN 211364524 U CN211364524 U CN 211364524U
- Authority
- CN
- China
- Prior art keywords
- proximity switch
- leg
- gearbox
- frame
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The embodiment of the utility model discloses a support leg limited suction and exhaust vehicle, relating to the technical field of suction and exhaust vehicles, comprising a vehicle frame, a first support leg and a second support leg which are arranged at two sides of the length direction of the vehicle frame and can be extended, and a speed-regulating gearbox arranged on the vehicle frame; the control device comprises a frame, a storage battery, a control switch assembly and a control assembly, wherein the storage battery is arranged on the frame; the control switch assembly comprises a first proximity switch and a second proximity switch, wherein the first proximity switch is arranged on the frame and close to the first supporting leg, the second proximity switch is arranged on the frame and close to the second supporting leg, and when the first proximity switch or the second proximity switch is electrified, the control assembly controls the gearbox to keep a neutral gear state; the problem of whether pack up to the landing leg among the prior art and monitor, at the vehicle removal in-process, the landing leg damages easily or traffic accident when the landing leg does not pack up is solved.
Description
Technical Field
The embodiment of the utility model provides a relate to row's of inhaling car technical field, concretely relates to landing leg limit is inhaled and is arranged car.
Background
The special vehicle is a special wheeled or tracked vehicle for traction, obstacle clearing, cleaning, hoisting, loading and unloading, lifting, stirring, digging, bulldozing, road pressing and the like, or a vehicle which is internally provided with special fixed instruments and equipment and is used for professional work. The suction and exhaust vehicle is one of special vehicles. The suction and exhaust vehicle with vacuum pump or draught fan can load and unload dry material such as dust, sand and stone, fine powder, etc.
The suction and exhaust vehicle comprises a vehicle frame, wherein a bearing tank body is arranged on the vehicle frame, and supporting legs for auxiliary support are arranged on two sides of the vehicle frame. When the suction and exhaust vehicle works, the vehicle stops, the supporting legs extend out and are supported on the ground, and then the bearing tank body is lifted to work.
The existing suction and exhaust vehicle works after the supporting legs extend out, when the suction and exhaust vehicle needs to be moved, the supporting legs are retracted, however, the supporting legs are not retracted to be monitored in the prior art, when the vehicle is moved, the supporting legs are not retracted completely sometimes, and in the moving process, the supporting legs can collide with stones or other sundries along the way, so that the supporting legs are damaged or traffic accidents are caused.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a landing leg restricted driving suction and exhaust car to solve and do not pack up the landing leg among the prior art and monitor, remove the in-process at the vehicle, the landing leg damages easily or the problem of traffic accident when the landing leg does not pack up.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the embodiment of the utility model, the support leg limited suction and exhaust vehicle comprises a vehicle frame, a first support leg and a second support leg which are arranged on two sides of the vehicle frame in the length direction and can be extended and retracted, wherein a speed regulating gearbox is arranged on the vehicle frame; the control device comprises a frame, a storage battery, a control switch assembly and a control assembly, wherein the storage battery is arranged on the frame; the control switch assembly comprises a first proximity switch and a second proximity switch, wherein the first proximity switch is arranged on the frame and close to the first supporting leg, the second proximity switch is arranged on the frame and close to the second supporting leg, when the first supporting leg is not recovered to a contraction state after being extended, the first proximity switch is powered on, and when the first supporting leg is recovered to the contraction state, the first proximity switch is powered off; when the second supporting leg is not extended and restored to the contraction state, the second proximity switch is powered on, and when the second supporting leg is restored to the contraction state, the second proximity switch is powered off; when the first proximity switch or the second proximity switch is electrified, the control assembly controls the gearbox to keep a neutral gear state; when the first proximity switch and the second proximity switch are de-energized, the control assembly cancels control of the gearbox.
Furthermore, the first support leg or the second support leg comprises an oil cylinder fixed on the frame and a tray fixed with the piston end of the oil cylinder, and the tray is driven by the telescopic action of the piston of the oil cylinder to perform lifting motion; two support plates are arranged on the frame and positioned at the inner sides of the first support leg and the second support leg, and the first proximity switch and the second proximity switch are arranged on the support plates; when the oil cylinder drives the tray to contract to one end far away from the ground, the first proximity switch or the second proximity switch is powered off.
Furthermore, a sound-light alarm device is arranged on the frame, and when the control switch is powered on, the sound-light alarm device gives an alarm.
Further, the sound and light alarm device comprises a warning lamp and/or a buzzer.
Further, the control assembly comprises a gearbox neutral cylinder and a neutral cylinder solenoid valve, wherein the gearbox neutral cylinder controls whether the gearbox is kept in neutral; when the control switch assembly is electrified, the neutral cylinder electromagnetic valve controls ventilation of a neutral cylinder of the gearbox, and the neutral cylinder of the gearbox pushes the gearbox to keep a neutral state; when the control switch assembly is powered off, the neutral cylinder of the gearbox returns to the gear area.
Further, the control assembly comprises a gas-cut-off brake electromagnetic valve for controlling whether a spring brake cylinder in the gas-cut-off brake exhausts or not; when the control switch assembly sends an electric signal, the air-break brake solenoid valve controls the spring brake cylinder to exhaust air in the spring brake cylinder, so that the air-break brake keeps a brake state. When the control switch assembly is powered off, the air-cut-off brake electromagnetic valve cancels control of exhaust of the spring brake cylinder.
The embodiment of the utility model provides a have following advantage:
the embodiment of the utility model provides a through the control switch subassembly and the neutral gear cylinder solenoid valve that set up, when using the suction vehicle, do not have return to initial condition after first landing leg or the second landing leg of suction vehicle stretches out, control switch subassembly signals for neutral gear cylinder solenoid valve control gearbox neutral gear cylinder stretches out, makes gearbox neutral gear power take-off. The gearbox is in a neutral gear state, and therefore the driving limiting effect is achieved. The vehicle movement of the first support leg or the second support leg which is not restored to the original position is avoided, so that the damage of the first support leg or the second support leg is reduced to a certain extent, or traffic accidents caused by the fact that the first support leg or the second support leg is not folded are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in 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 has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a side view of a support leg restricted suction vehicle according to an embodiment of the present invention;
fig. 2 is a rear view of a support leg restricted suction vehicle according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a landing leg restriction of an absorption and exhaust vehicle provided by an embodiment of the present invention.
In the figure: 1. a frame; 2. a first leg; 3. a second leg; 31. an oil cylinder; 32. a tray; 4. a storage battery; 5. a control switch assembly; 51. a first proximity switch; 52. a second proximity switch; 53. a support plate; 6. a control component; 61. a neutral cylinder solenoid valve; 62. a gas-cut-off brake electromagnetic valve; 7. an audible and visual alarm device; 71. a warning light; 72. a buzzer.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
A supporting leg limited suction and exhaust vehicle is shown in figures 1 to 3 and comprises a vehicle frame 1, a first supporting leg 2 and a second supporting leg 3 which are arranged on two sides of the vehicle frame 1 in the length direction and can stretch, wherein a speed changing box for speed regulation is arranged on the vehicle frame 1; when using, through the gearbox control speed of a motor vehicle, when the gearbox was the neutral position, the suction row car stopped, and the bearing tank body on the suction row car can rise and carry out work, in order to make frame 1 more stable in the course of the work, extends the butt at first landing leg 2 and second landing leg 3 subaerial, plays the effect of stabilizing frame 1.
The supporting leg limited suction and exhaust vehicle comprises a storage battery 4 arranged on the vehicle frame 1, a control switch assembly 5 and a control assembly 6 which is arranged on the vehicle frame 1 and is close to the gearbox and used for controlling whether the gearbox keeps a neutral gear or not.
The control switch assembly 5 includes a first proximity switch 51 disposed on the frame 1 adjacent the first leg 2, and a second proximity switch 52 disposed on the frame 1 adjacent the second leg 3.
When the first leg 2 is not extended and recovered to the contraction state, the first proximity switch 51 is powered on, and when the first leg 2 is recovered to the contraction state, the first proximity switch 51 is powered off; when the second leg 3 is not extended and restored to the contracted state, the second proximity switch 52 is energized, and when restored to the contracted state, the second proximity switch 52 is de-energized. When the first proximity switch 51 or the second proximity switch 52 is electrified, the control assembly 6 controls the gearbox to keep a neutral state; when the first proximity switch 51 and the second proximity switch 52 are de-energized, the control assembly 6 removes control of the gearbox. The first proximity switch 51 and the second proximity switch 52 are provided to prevent the first leg 2 and the second leg 3 from being unretracted and starting the vehicle.
The first support leg 2 and the second support leg 3 have the same structure and comprise an oil cylinder 31 fixed on the frame 1 and a tray 32 fixed with the piston end of the oil cylinder 31, and the tray 32 is driven by the piston of the oil cylinder 31 to move up and down; in use, the tray 32 is supported against the ground.
Two support plates 53 are arranged on the frame 1 and positioned at the inner sides of the first leg 2 and the second leg 3, and the first proximity switch 51 and the second proximity switch 52 are respectively arranged on the support plates 53; when the oil cylinder 31 drives the tray 32 to retract to the end far away from the ground, the first proximity switch 51 or the second proximity switch 52 is shielded, and the first proximity switch 51 or the second proximity switch 52 is powered off.
The frame 1 is provided with a sound and light alarm device 7, and when the control switch is powered on, the sound and light alarm device 7 gives an alarm. The audible and visual alarm device 7 includes a warning lamp 71 and/or a buzzer 72.
The control assembly 6 comprises a gearbox neutral cylinder for controlling whether the gearbox keeps neutral or not and a neutral cylinder solenoid valve 61; when the first proximity switch 51 or the second proximity switch 52 is electrified, the neutral cylinder electromagnetic valve 61 controls ventilation to a neutral cylinder of the gearbox, and the neutral cylinder of the gearbox pushes the gearbox to keep a neutral state; when the first proximity switch 51 or the second proximity switch 52 is de-energized, the transmission neutral cylinder is returned to the range region.
It should be noted that the neutral cylinder of the transmission is a cylinder of the transmission itself, and is controlled by the solenoid valve 61 of the neutral cylinder.
The control assembly 6 also includes a pneumatic brake cutoff solenoid valve 62 that controls whether the spring brake cylinder in the pneumatic brake is exhausted. When the first proximity switch 51 or the second proximity switch 52 sends an electric signal, the air-break brake electromagnetic valve 52 controls the spring brake cylinder to exhaust air in the spring brake cylinder, so that the air-break brake keeps a braking state. The air-break brake solenoid valve 62 cancels the control of the spring brake cylinder exhaust when the first proximity switch 51 or the second proximity switch 52 is de-energized simultaneously.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. A supporting leg limited suction and exhaust vehicle comprises a vehicle frame (1), a first supporting leg (2) and a second supporting leg (3), wherein the first supporting leg and the second supporting leg are arranged on two sides of the vehicle frame (1) in the length direction and are telescopic, and a speed-regulating gearbox is arranged on the vehicle frame (1); the method is characterized in that: the automatic transmission is characterized by further comprising a storage battery (4) arranged on the frame (1), a control switch assembly (5) and a control assembly (6) which is arranged on the frame (1) and is close to the gearbox and used for controlling whether the gearbox keeps a neutral gear or not;
the control switch assembly (5) comprises a first proximity switch (51) arranged on the frame (1) and close to the first leg (2), a second proximity switch (52) arranged on the frame (1) and close to the second leg (3),
when the first leg (2) is not extended and recovered to the contraction state, the first proximity switch (51) is electrified, and when the first leg (2) is recovered to the contraction state, the first proximity switch (51) is powered off;
when the second leg (3) is not extended and recovered to the contraction state, the second proximity switch (52) is electrified, and when the second leg (3) is recovered to the contraction state, the second proximity switch (52) is powered off;
when the first proximity switch (51) or the second proximity switch (52) is electrified, the control assembly (6) controls the gearbox to keep a neutral gear state; when the first proximity switch (51) and the second proximity switch (52) are de-energized, the control assembly (6) cancels control of the gearbox.
2. The leg-supported limited suction vehicle of claim 1, characterized in that: the first supporting leg (2) or the second supporting leg (3) comprises an oil cylinder (31) fixed on the frame (1) and a tray (32) fixed with the piston end of the oil cylinder (31), and the tray (32) is driven by the piston of the oil cylinder (31) to stretch and move up and down;
two support plates (53) are arranged on the frame (1) and positioned at the inner sides of the first support leg (2) and the second support leg (3), and the first proximity switch (51) and the second proximity switch (52) are arranged on the support plates (53);
when the oil cylinder (31) drives the tray (32) to contract to one end far away from the ground, the tray (32) shields the first proximity switch (51) or the second proximity switch (52), and the first proximity switch (51) or the second proximity switch (52) is powered off.
3. The leg-supported limited suction vehicle of claim 1, characterized in that: and an acousto-optic alarm device (7) is arranged on the frame (1), and when the control switch is powered on, the acousto-optic alarm device (7) gives an alarm.
4. The leg-supported limited suction vehicle of claim 3, characterized in that: the sound and light alarm device (7) comprises a warning lamp (71) and/or a buzzer (72).
5. The leg-supported limited suction vehicle of claim 1, characterized in that: the control assembly (6) comprises a gearbox neutral cylinder for controlling whether the gearbox keeps neutral or not and a neutral cylinder solenoid valve (61);
when the control switch assembly (5) is electrified, the neutral cylinder electromagnetic valve (61) controls ventilation to a neutral cylinder of the gearbox, and the neutral cylinder of the gearbox pushes the gearbox to keep a neutral state;
when the control switch assembly (5) is powered off, the neutral cylinder of the gearbox returns to the gear area.
6. The leg-supported limited suction vehicle of claim 1, characterized in that: the control assembly (6) comprises a gas-cut-off brake solenoid valve (62) for controlling whether a spring brake cylinder in the gas-cut-off brake is exhausted;
when the control switch component (5) sends an electric signal, the air-cut-off brake electromagnetic valve (62) controls the spring brake cylinder to exhaust air in the spring brake cylinder, so that the air-cut-off brake keeps a brake state; when the control switch assembly (5) is powered off, the air-cut brake solenoid valve (62) cancels control of exhaust of the spring brake cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922107999.0U CN211364524U (en) | 2019-11-29 | 2019-11-29 | Supporting leg limited suction and exhaust vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922107999.0U CN211364524U (en) | 2019-11-29 | 2019-11-29 | Supporting leg limited suction and exhaust vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211364524U true CN211364524U (en) | 2020-08-28 |
Family
ID=72168803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922107999.0U Active CN211364524U (en) | 2019-11-29 | 2019-11-29 | Supporting leg limited suction and exhaust vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211364524U (en) |
-
2019
- 2019-11-29 CN CN201922107999.0U patent/CN211364524U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7909561B2 (en) | Tow truck with underlift control | |
| US10384730B2 (en) | Electronic active air dam | |
| CA1066647A (en) | Gondola car loader | |
| CN205601529U (en) | Four -wheel individual drive turns to electronic combined car | |
| CN211364524U (en) | Supporting leg limited suction and exhaust vehicle | |
| CN104326380A (en) | Wheel type crawler type dual-purpose crane | |
| CN209065338U (en) | A kind of trailer cargo platform lifting device | |
| US11933006B2 (en) | Material collection system | |
| JP6632925B2 (en) | Braking equipment for aerial work vehicles | |
| CN211922463U (en) | Road surface metal foreign matter collecting device | |
| CN204251242U (en) | Wheel type crawler type dual-purpose crane | |
| CN211543351U (en) | Suction and exhaust vehicle for limiting can lifting | |
| EP0205265B1 (en) | Vehicle for aerial working | |
| CN212164379U (en) | Carrier vehicle undercarriage structure of climate chamber container and climate chamber | |
| CN203995895U (en) | Loading system of road wrecker | |
| KR20030013533A (en) | Illegal parking wrecker | |
| CN214166162U (en) | Intelligent sanitation vehicle based on intelligent sanitation cloud control platform | |
| CN113665305B (en) | Air-ground vehicle | |
| CN213038288U (en) | Vehicle-mounted snow blower | |
| CN216359958U (en) | Transport vechicle convenient to self-propelled equipment is from top to bottom | |
| CN87212104U (en) | Railway crane van | |
| CN215828222U (en) | Straight arm type truck crane capable of moving transversely | |
| CN211799616U (en) | Air environmental protection dust device suitable for construction scene | |
| CN215905488U (en) | Split type movable dust removal device of train unloading warehouse | |
| CN221214320U (en) | Automatic bidirectional AGV travelling bogie |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |