CN112721787B - Tank body amplitude variation and safety protection device of excavation suction vehicle - Google Patents
Tank body amplitude variation and safety protection device of excavation suction vehicle Download PDFInfo
- Publication number
- CN112721787B CN112721787B CN202011621255.1A CN202011621255A CN112721787B CN 112721787 B CN112721787 B CN 112721787B CN 202011621255 A CN202011621255 A CN 202011621255A CN 112721787 B CN112721787 B CN 112721787B
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- rear cover
- oil cylinder
- tank body
- amplitude
- amplitude variation
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 56
- 238000000034 method Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/22—Tank vehicles
- B60P3/2205—Constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/22—Tank vehicles
- B60P3/224—Tank vehicles comprising auxiliary devices, e.g. for unloading or level indicating
- B60P3/2245—Adaptations for loading or unloading
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/007—Devices providing a flushing surge
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention discloses a tank body amplitude variation and safety protection device of an excavating and pumping truck, which comprises a tank body, wherein the tank body is arranged at the upper part of an auxiliary frame, and an amplitude variation oil cylinder mounting seat is arranged on the auxiliary frame; one end of the amplitude variation oil cylinder is connected to the amplitude variation oil cylinder mounting seat, and the other end of the amplitude variation oil cylinder is connected with the tank body. According to the tank body amplitude variation and safety protection device for the excavation suction truck, when the auxiliary frame and the amplitude variation oil cylinder in front of the tank body are installed, the amplitude variation installation seat can effectively guarantee the coaxiality of the amplitude variation oil cylinders. The amplitude-variable oil cylinder is a single-stage oil cylinder, so that the processing and manufacturing cost is reduced.
Description
Technical Field
The invention relates to a tank body amplitude variation and safety protection device of an excavating and pumping vehicle, which is mainly applied to various tank body lifting occasions. In particular to an excavating and pumping vehicle which cleans, dredges and pumps underground pipe networks into a tank body through high-pressure water jet, belonging to the field of environmental sanitation machinery.
Background
The excavation suction vehicle is a device which directly impacts sludge, piled gravel, solidified waste and the like in an underground pipe network through high-pressure water jet or crushes tree roots, cement, pipe wall attachments and the like through a front-end rotating nozzle, then sucks by utilizing vacuum pneumatic force, and conveys materials to a tank body for transferring and unloading.
The prior tank lifting unloading mode comprises two major modes, namely unloading by a connecting rod mechanism taking a dump truck as a main mode and unloading by an oil cylinder mechanism taking a sanitation tank as a main mode. The lifting mode of the link mechanism is complex in structure, the whole structure is too high, and the link mechanism is not suitable for tank type vehicles with strict requirements on the height of the whole vehicle.
At present, the domestic excavating and suction truck basically adopts a multi-stage hydraulic oil cylinder to lift a tank body, and has the following three defects:
the tank body luffing device (a luffing oil cylinder and an oil cylinder mounting structure) adopts a multi-stage cylinder, the structure is complex, the cost is high, the mounting structure is simple, and the oil cylinder mounting structure cannot guarantee the synchronism of the two luffing oil cylinders.
Secondly, the tank body unloading process has no detection of whether the rear cover is completely opened, and the operator may start to lift the tank body without opening the rear cover, so that the structure of the rear cover and the stability of the whole tank body are greatly affected, and the rear cover structure is crushed or the tank body is turned over.
Thirdly, when the tank body is required to be lifted for maintenance, the tank body safety protection device can only be operated by people climbing to the auxiliary frame, and certain danger is realized.
Therefore, the tank body amplitude changing device which does not need to increase the height of the whole vehicle and the processing and manufacturing cost, is simple and convenient to install, and is comprehensive and reliable in safety protection is urgently needed.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the amplitude and safety protection device for the tank body of the excavating and pumping vehicle is provided to realize safe lifting, unloading, maintenance and repair of the tank body, protect safety and reliability of personnel and construction, reduce the height of a vehicle, save loading space and increase the volume of the tank body and a water tank.
In order to solve the technical problems, the invention adopts the following technical scheme:
a tank body amplitude variation and safety protection device of an excavation suction vehicle comprises a tank body, wherein the tank body is arranged at the upper part of an auxiliary frame, and an amplitude variation oil cylinder mounting seat is arranged on the auxiliary frame;
one end of the amplitude variation oil cylinder is connected to the amplitude variation oil cylinder mounting seat, and the other end of the amplitude variation oil cylinder is connected with the tank body.
The invention achieves the following beneficial effects:
1. according to the tank body amplitude variation and safety protection device for the excavation suction truck, when the auxiliary frame and the amplitude variation oil cylinder in front of the tank body are installed, the amplitude variation installation seat can effectively guarantee the coaxiality of the amplitude variation oil cylinders, the oil cylinders can be easily assembled due to the addition of the adjusting pad, the left and right gaps can be adjusted, the welding deviation of the auxiliary frame and the tank body can be adjusted, and therefore the synchronous lifting of the amplitude variation oil cylinders is guaranteed.
2. The amplitude-variable mounting seat can ensure that the height of the whole vehicle is the lowest as possible, and the requirement of height limitation of vehicles on the road is met; in addition, the mounting mode of the variable amplitude oil cylinder can save space for mounting, and the volumes of the tank body and the water tank are increased as much as possible.
3. The amplitude-variable oil cylinder is a single-stage oil cylinder, so that the processing and manufacturing cost is reduced.
4. The safe support at the lower part of the tank body is simple and convenient to use, safe and high in reliability.
5. The safety protection device for lifting the tank body adopts the interlocking device for locking and unlocking the rear cover and lifting the tank body, and the pin shaft sensor detects the pressure of the amplitude-variable oil cylinder, so that the adverse effect caused by the fact that the rear cover is not opened, the locking oil cylinder is not opened or the amplitude-variable oil cylinder is not synchronous is avoided, and the safety of operators and vehicles is protected.
Drawings
FIG. 1 is a schematic structural view of a tank body amplitude variation and safety protection device of the excavating and pumping truck of the invention;
FIG. 2 is a top view of a tank luffing apparatus;
FIG. 3 is a schematic view of a luffing cylinder mount;
FIG. 4 is a schematic structural view of a main beam;
FIG. 5 is a schematic view of the rear cover lock detection sensor and the position of the opening travel switch;
FIG. 6 is a schematic view of the tank body amplitude variation and rear cover opening interlocking safety protection;
FIG. 7 is a tank discharge control flow chart.
Reference numerals: the variable-amplitude oil cylinder comprises a variable-amplitude oil cylinder mounting seat 1, a first pin shaft 2, a variable-amplitude oil cylinder 3, a safety support 4, a second pin shaft 5, an auxiliary frame 6, a rear cover locking oil cylinder 7, a rear cover locking detection sensor 8, a rear cover 9, a rear cover opening stroke switch 10, a rear cover opening oil cylinder 11, a tank body 12, a gasket 13, a main cross beam 101, a vertical plate 102, a connecting plate 103, a shaft sleeve 104, a cross beam 203, a rotating handle 401 and a protrusion structure 901.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the specific embodiments.
Example 1
As shown in fig. 1, the tank body amplitude variation and safety protection device for the excavation suction vehicle comprises a tank body 12, wherein the tank body 12 is arranged at the upper part of an auxiliary frame 6, and an amplitude variation oil cylinder mounting seat 1 is arranged on the auxiliary frame 6;
one end of the variable amplitude oil cylinder 3 is connected to the variable amplitude oil cylinder mounting seat 1, and the other end of the variable amplitude oil cylinder 3 is connected with the tank body 12;
specifically, the amplitude variation oil cylinder 3 is connected to the amplitude variation oil cylinder mounting seat 1 through a pin shaft I2;
the other end of the amplitude-variable oil cylinder 3 is provided with a spherical hinge, and the spherical hinge is connected with the tank body 12 through a second pin shaft 5.
As shown in fig. 3, the luffing cylinder mounting base 1 includes a main beam 101, the main beam is fixedly disposed on an auxiliary frame, one or more sets of vertical plates are fixed on the main beam 101 and are perpendicular to the main beam 101, each set of vertical plate includes two vertical plates 102, a luffing cylinder 3 is disposed between each set of vertical plates, a connecting plate 103 is disposed between two vertical plates in each set of vertical plates, so as to strengthen the effect of stability, and a shaft sleeve 104 is disposed on the vertical plates 102. In this embodiment, there are 2 groups of vertical plates 102, and there are 2 corresponding luffing cylinders.
As shown in fig. 4, the main beam 101 includes two U-shaped bending beams, and the two U-shaped bending beams are welded and fixed to form a rectangular box to enhance the bearing capacity of the luffing cylinder.
And the gasket 13 is sleeved on the first pin shaft 2 when the pin shaft penetrates through the gasket and is used for adjusting the gap of the variable amplitude oil cylinder.
The amplitude-variable oil cylinder mounting seat 1 can be machined after welding, the coaxiality of two or more amplitude-variable oil cylinders can be ensured, gaps are reserved on two sides of the oil cylinders, the left and right gaps of the oil cylinders are adjusted by the adjusting gaskets 13, and the amplitude-variable oil cylinders 3 are ensured not to deflect all the time, so that the oil cylinders are ensured to have good synchronism when the tank body 12 is lifted and unloaded, the tank body is good in lifting stability, and the auxiliary frame 6 and tank body structural members cannot be damaged by the two oil cylinders due to asynchronization when the tank body falls back.
And a pin shaft sensor is arranged on the second pin shaft 5, the pin shaft sensor is integrated in the pin shaft, and the pin shaft sensor is electrically connected to the control box.
A rear cover locking device is arranged on the tank body 12 and the rear cover 9, and a rear cover locking detection sensor 8 is arranged on the rear cover locking device of the tank body 12; the rear cover lock detection sensor 8 is electrically connected to the control box.
The tank body 12 is connected with the rear cover 9 through a rear cover connecting plate, the tank body 12 and the rear cover 9 are respectively arranged on the tank body 12 and the rear cover 9, a rear cover opening travel switch 10 is arranged on the rear cover connecting plate of the tank body 12, and a protruding structure 901 is arranged on the rear cover connecting plate of the rear cover 9 and matched with the rear cover opening travel switch 10 in position.
When the tank body 12 is lifted, if an operator does not open the rear cover locking oil cylinder 7, the operator directly opens the cover, the rear cover opening oil cylinder 11 is caused to push the rear cover hard, the connecting structural member of the rear cover 9 is damaged, deformation and damage are caused, sealing is not tight, and then the material in the tank body is leaked. If an operator does not open the cover-opening locking oil cylinder 7 to directly lift the tank body for discharging, the gravity center of materials in the tank body moves backwards, the impact on the rear cover is large, the structure of the rear cover is damaged by pressing, in addition, when the tank body is lifted, if the two amplitude-variable oil cylinders 3 are stressed differently, the extending strokes of the oil cylinders are different, the tank body can be inclined when the tank body is lifted for discharging, the structural members are damaged, the gravity center of the whole vehicle can be unstable under more serious conditions, the tilting accident of the whole vehicle can occur, and great danger can be caused to the human body and equipment. Therefore, in the lifting and discharging process of the tank body 12, the detection safety protection device is arranged, the interlocking of the lifting of the tank body, the locking of the rear cover and the opening and starting of the rear cover is realized, the pressure of the amplitude-variable oil cylinder 3 is detected by the pin shaft sensor, the safety of the discharging process of the tank body is ensured, and the operation is simple and convenient.
The tank body is unloaded and lifted, the rear cover is opened and closed and locked, sequential actions of the rear cover locking oil cylinder 7 and the rear cover opening oil cylinder 11 are realized by arranging a sequence valve, and the method comprises the following specific steps:
1) firstly, a rear cover locking detection sensor 8 on a rear cover locking oil cylinder 7 detects whether the rear cover locking oil cylinder 7 is completely opened, an electric signal is given after the rear cover locking oil cylinder 7 is completely opened, and a rear cover opening oil cylinder 11 starts to act;
2) when the rear cover is opened to a set angle, the convex structure 901 welded on the connecting plate of the rear cover contacts the upper travel switch 10, the cover opening oil cylinder 11 stops acting, at the moment, the rear cover 9 is completely opened, the travel switch 10 gives an electric signal, and the amplitude variation oil cylinder 3 starts to lift;
3) the pin shaft sensor detects the pressure of the amplitude-variable oil cylinder in real time, the amplitude-variable oil cylinder 3 stops acting when the pressure exceeds a preset pressure value, and the rollover danger caused by the inclination of the tank body is avoided.
In addition, the tank body lifting loop is provided with a balance valve, so that descending stall and accidents are prevented.
In addition, when the tank body or the chassis of the excavating and sucking truck needs to be overhauled and maintained, the tank body needs to be lifted to a certain angle and kept in the state, so that the operation of workers is facilitated; the jar body leans on hydraulic system control its to lift or descend, and the jar body needs operating personnel to climb to the sub vehicle frame after lifting certain angle or insert jar supporting seat of body lower part in the middle of the safe vaulting pole pulling-up the rotatory certain angle with sub vehicle frame 6 near jar body bottom, and there is the potential safety hazard in its in-process: when workers pull up the safety stay bars on the auxiliary frame or around the bottom of the tank body, the tank body falls down due to hydraulic system faults or other accidents, and personnel damage is caused. Consequently, designed one kind and need not operating personnel to get into jar safety support 4 of body below, installed a twist grip 401 on safety support, when needing, only need operating personnel stand in the side hand-operated rotation safety support of car the handle reach the support position can, simple, convenient, safe and reliable.
Example 2
The vertical plate 102 has 1 group, the number of corresponding variable amplitude oil cylinders is 1, and other technical characteristics are the same as those of the embodiment 1.
It should be noted that the exemplary embodiments of the present invention describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously. Without departing from the technical principle of the present invention, several modifications and variations can be made, and these modifications and variations should also be regarded as the protective scope of the present invention.
Claims (7)
1. The utility model provides a jar body of excavation suction truck becomes width of cloth and safety arrangement, includes a jar body, jar body setting is on sub vehicle frame upper portion, its characterized in that:
a luffing cylinder mounting seat is arranged on the auxiliary frame;
one end of the amplitude variation oil cylinder is connected to the amplitude variation oil cylinder mounting seat, and the other end of the amplitude variation oil cylinder is connected with the tank body;
the other end of the amplitude-variable oil cylinder is provided with a spherical hinge, and the spherical hinge is connected with the tank body through a second pin shaft;
a pin shaft sensor is arranged on the second pin shaft and is electrically connected to the control box;
a rear cover locking device is arranged on the tank body and the rear cover, and a rear cover locking detection sensor is arranged on the rear cover locking device of the tank body; the rear cover locking device comprises a rear cover locking oil cylinder, and the rear cover locking detection sensor is electrically connected to the control box;
the tank body is connected with the rear cover through a rear cover connecting plate and is respectively arranged on the tank body and the rear cover, a rear cover opening travel switch is arranged on the rear cover connecting plate of the tank body, and a bulge structure is arranged on the rear cover connecting plate of the rear cover and is matched with the position of the rear cover opening travel switch;
the specific steps of the action of locking the oil cylinder by the rear cover and opening the oil cylinder by the rear cover are as follows:
1) firstly, a rear cover locking detection sensor on the rear cover locking oil cylinder detects whether the rear cover locking oil cylinder is completely opened or not, an electric signal is given after the rear cover locking oil cylinder is completely opened, and the rear cover opening oil cylinder starts to act;
2) when the rear cover is opened to a set angle, the convex structure welded on the connecting plate of the rear cover contacts the upper travel switch, the oil cylinder for opening the cover stops acting, the rear cover is completely opened at the moment, the travel switch gives an electric signal, and the amplitude-variable oil cylinder starts to lift;
3) the pin shaft sensor detects the pressure of the amplitude-variable oil cylinder in real time, the pressure exceeds a preset pressure value, the amplitude-variable oil cylinder stops acting, and the rollover danger caused by the inclination of the tank body is avoided.
2. The tank body amplitude variation and safety protection device of the excavation suction vehicle as claimed in claim 1, wherein: the amplitude-variable oil cylinder is connected to the amplitude-variable oil cylinder mounting seat through a pin shaft.
3. The tank body amplitude variation and safety protection device of the excavation suction vehicle as claimed in claim 1, wherein: the variable-amplitude oil cylinder mounting seat comprises a main cross beam, the main cross beam is fixedly arranged on an auxiliary frame, one or more groups of vertical plates are fixed on the main cross beam and are perpendicular to the main cross beam, each group of vertical plates comprises two vertical plates, a variable-amplitude oil cylinder is arranged between each group of vertical plates, a connecting plate is arranged between the two vertical plates in each group of vertical plates, and a shaft sleeve is arranged on each vertical plate.
4. The tank body amplitude variation and safety protection device of the excavation suction vehicle as claimed in claim 3, wherein: the vertical plates are provided with 2 groups, and the number of the corresponding amplitude variation oil cylinders is 2.
5. The tank body amplitude variation and safety protection device of the excavation suction vehicle as claimed in claim 3, wherein: the main beam comprises two U-shaped bending beams, and the two U-shaped bending beams are fixed into a rectangular box body.
6. The tank body amplitude variation and safety protection device of the excavation suction vehicle as claimed in claim 3, wherein: the gasket is sleeved on the first pin shaft.
7. The tank body amplitude variation and safety protection device of the excavation suction vehicle as claimed in claim 1, wherein: and safety supports are respectively arranged on two sides of the auxiliary frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011621255.1A CN112721787B (en) | 2020-12-30 | 2020-12-30 | Tank body amplitude variation and safety protection device of excavation suction vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011621255.1A CN112721787B (en) | 2020-12-30 | 2020-12-30 | Tank body amplitude variation and safety protection device of excavation suction vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN112721787A CN112721787A (en) | 2021-04-30 |
| CN112721787B true CN112721787B (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011621255.1A Active CN112721787B (en) | 2020-12-30 | 2020-12-30 | Tank body amplitude variation and safety protection device of excavation suction vehicle |
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| Publication number | Publication date |
|---|---|
| CN112721787A (en) | 2021-04-30 |
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