CN103821194B - A kind of excavation aspirates car - Google Patents
A kind of excavation aspirates car Download PDFInfo
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- CN103821194B CN103821194B CN201410037322.3A CN201410037322A CN103821194B CN 103821194 B CN103821194 B CN 103821194B CN 201410037322 A CN201410037322 A CN 201410037322A CN 103821194 B CN103821194 B CN 103821194B
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Abstract
The invention provides a kind of excavation and aspirate car, it comprises vehicle chassis, vacuum unit and filter, slewing equipment, suction arm, device for discharging and storage tank; Slewing equipment is arranged on the axis of vehicle chassis, when rotating around the first axis, drives and being arranged on suction arm, device for discharging and storage tank on bracket and rotating, thus achieve excavate suction car comprehensive excavation, suction and discharging work; Storage tank inner chamber is aspirated into certain vacuum by described vacuum unit approach filter, utilizes the pressure reduction between storage tank inner chamber and air, sucks in storage tank by suction arm by material to be removed, wherein aspirates arm and possesses certain excavation crushing function; During discharging, storage tank can be tumbled thus be utilized the gravity of material to be unloaded by material by device for discharging.The present invention take up room little, have and load transported material function and the excavation of the multi-faceted discharging of excavation function of soil can be realized, more meet the needs of municipal construction.
Description
Technical field
The present invention relates to a kind of drawing-in type equipment, particularly relate to a kind of carried out the materials such as soil, sandstone, powder by Smoking regime excavation, suction, the excavation suction car that transports and remove stage makeup and costume.
Background technology
Along with development and the enlarging in city, relevant municipal engineering are built and maintenance work gets more and more, as municipal pipe network constructions such as residential construction area and water supply, power supply, air feed, and the aspect such as building protection and communal facility maintenance.The point-device excavation work of these job requirements, because often there are staggered cable, pipeline etc. in these job sites, must stop to destroy; In addition, due to urban space restriction, much general excavating equipment cannot drive job site into or carry out underground construction, and traditional hand digging mode efficiency is very low, and a large amount of earth or the sandstone that excavate generation cannot be transported away by heavy truck simultaneously.For this reason, be necessary to develop a kind of new dexterity excavation equipment, come accurate, the effective excavation under above-mentioned operating mode and transhipment work.
Patent ZL201020170173 discloses a kind of intelligent multifunction combined suction sewage truck, can realize sewage, mud and sandstone, large-size massive thing suction, transport, remove stage makeup and costume, but following point is thrown away and cannot effectively be solved: 1) because structure limit, cannot realize the excacation of described material especially compacting material, relevant excacation is thrown away and need manually be completed; 2) storage tank is without auxiliary discharging device, can only carry out discharging by forced-ventilated, and discharging needs time and the power of at substantial; 3) for the solid material sticked on storage tank, cannot discharging clean; 4) although suction arm can realize the actions such as rotation and lifting, structure is dumb, still needs manual operation suction hose to realize accurately location, wastes time and energy.Other patent published still concentrates on traditional suction-type sewer scavenger field at present, and that mentions for this patent integrates excavation, the brand-new equipment of pumping function and technology, and not mentioned.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of take up room little, have load transported material function and can realize the multi-faceted discharging of excavation function of soil excavation suction car.
To achieve these goals, the following technical scheme of the present invention: a kind of excavation aspirates car, it comprises vehicle chassis, vacuum unit and filter, described vacuum unit and filter are all arranged on vehicle chassis, described vacuum unit is connected with filter, and this excavation suction car also comprises slewing equipment, suction arm, device for discharging and storage tank; Described slewing equipment comprises pivoting support and bracket, and described bracket is fixed on above pivoting support, and described pivoting support is arranged on the axis of vehicle chassis, and can carry out rotating around the first axis thus drive the carriage rotation be fixed on above pivoting support; Described suction arm to be arranged on bracket on a side, excavates, broken to material, and described device for discharging is arranged on bracket on another side, and described storage tank is arranged on device for discharging, and described storage tank is connected with filter; Described suction arm be provided with suction material suction tube, described suction tube one end is connected with storage tank, the other end with wait that inhaling material contacts; Described vacuum unit connects filter, storage tank inner chamber is aspirated into partial vacuum state, utilizes the pressure reduction between storage tank inner chamber and air, treating after the fragmentation of suction arm is inhaled material and sucks in storage tank by suction tube; During discharging, storage tank is tumbled by device for discharging, and material unloads by material under the gravity of self.
Further, described suction arm comprises rotating base, sub-arm, suction tube fastening devices, actuating unit and excavating gear; Described rotating base is fixed on bracket on a side, and its inside is provided with pivoting support or bearing, under the effect of motor or motor, rotates around the second axis; One end of described sub-arm connects rotating base by articulated manner; One end of described actuating unit connects rotating base by articulated manner, and the other end of this actuating unit connects the other end of described sub-arm by articulated manner; Described suction tube fastening devices is arranged on sub-arm; Described suction tube is fixed on sub-arm by suction tube fastening devices, and under the start of actuating unit, described suction tube is with the conversion of position, sub-arm action implementation space; Described excavating gear, its one end is with excavation thing or wait that inhaling material contacts, and the other end is connected with suction tube.
Further, described sub-arm is more than two joints, is connected successively between described often joint sub-arm by articulated manner, and each joint end of sub-arm and the front end of next stage sub-arm are connected with actuating unit.
Further, described excavating gear comprises rotatable fragmentation pipe, transmission device and the power set that drive broken pipe to rotate; Described power set are motor or motor, and its output is connected with the input of transmission device;
One end of described broken pipe is connected with transmission output, and its other end is with excavation thing or wait that inhaling material contacts; One end of described suction tube is connected and its maintenance geo-stationary with the housing of transmission device is airtight, and described suction tube communicates with the broken pipe be arranged on transmission device; Described broken pipe, under the driving of motor or motor, rotates around its 3rd axis, carries out broken to material, broken material by brokenly to manage, suction tube is sucked up in storage tank.One end indentation of described broken pipe broken material, or in broken pipe bottom, the blade for cuttings material is installed.
Further, described storage tank comprises one end and has the tank body of opening, executing agency and suction channel; The top of described storage tank is provided with the material sucking port sucking material, and the openend of described tank body is provided with the discharging end cap matched with it, and described discharging end cap is hinged on tank body opening part by articulated mounting; Described executing agency is fixed on tank body, and the clutch end of this executing agency is connected with discharging end cap, makes discharging end cap carry out opening or closing relative to tank body opening during described executing agency's work; Described tank body outer surface is also provided with the extract opening by being pumped into partial vacuum in tank body, this extract opening is connected with filter; Described suction channel is arranged in tank inner chamber, and its one end is communicated with extract opening, and the other end is unsettled to be arranged in tank inner chamber; Described vacuum unit connects filter, extracts the air in tank body out formation partial vacuum state by extract opening and suction channel, and extraneous waits that inhale material sucks tank interior by material sucking port under the effect of pressure differential.
Further, described storage tank also comprises pressure-regulating device, and described pressure-regulating device is arranged in tank body outside circumference or delivery end covers, the pressure reduction between this pressure-regulating device regulating tank intracoelomic cavity and atmospheric pressure;
Further, described storage tank is involving vibrations device also, and described vibrating device is more than one group and is arranged on the tank body of storage tank, and this oscillation device, by vibration tank body, comes off and sticks to the material of tank inner chamber.
Further, described device for discharging comprises telescoping mechanism, the first lifting mechanism and the second lifting mechanism; Described telescoping mechanism one end is connected with slewing equipment, and the other end is connected near opening part with on storage tank; Described first lifting mechanism one end is connected with part non-telescoping in telescoping mechanism, and the other end is connected away from opening part with on storage tank; Described second lifting mechanism one end is connected with slewing equipment, and the other end is connected with part non-telescoping in telescoping mechanism; During discharging, storage tank is extrapolated by telescoping mechanism, the first lifting mechanism pushes up storage tank simultaneously, the second lifting mechanism pushes up telescoping mechanism, is tumbled by storage tank thus utilize the gravity of material to be unloaded by material.
Further, described executing agency, telescoping mechanism, the first lifting mechanism and the second lifting mechanism are telescopic oil cylinder.
Further, described excavation suction car also comprises the levelling device be arranged on below vehicle chassis, and it comprises the supporting leg of more than three, for regulating the level excavating suction car.
This adopts above technical scheme, slewing equipment is arranged on vehicle chassis, when rotating around the first axis, driving and being arranged on suction arm, device for discharging and storage tank on bracket and rotating, thus achieve excavate suction car comprehensive excavation, suction and discharging work; Described vacuum unit connects filter and storage tank inner chamber is aspirated into certain vacuum, utilizes the pressure reduction between storage tank inner chamber and air, sucks in storage tank by suction arm by material to be removed, wherein aspirates arm and possesses certain excavation crushing function; During discharging, storage tank can be tumbled thus be utilized the gravity of material to be unloaded by material by device for discharging, and levelling device can guarantee stability and the safety of vehicle in discharge process;
The following advantage of the present invention:
1, compared with existing general excavating equipment, the present invention take up room little have load transported material function and the excavation of soil and multi-faceted discharging can be realized, be more suitable for the needs of municipal construction.
2, be provided with excavating gear, excavation and the suction operation of compacting soil or bulk materials can be carried out;
3, storage tank is provided with pressure-regulating device, vibrating device is convenient to the whole materials unloading in storage tank.
4, described suction arm is provided with the suction tube for aspirating material, flexible structure, can carry out comprehensive without dead angle suction.
5, by hydraulic quick coupler, suction tube and broken pipe are taken in the present invention, thus realize excavation and the collected at suction of long-range material.
Accompanying drawing explanation
To further illustrate various embodiment of the present invention by reference to the accompanying drawings.
Fig. 1 is that the present invention excavates suction bassinet structure schematic diagram;
Fig. 2 is that the present invention excavates suction car excavation pumping operation schematic diagram;
Fig. 3 is the excavating gear schematic diagram that the present invention excavates suction car;
Fig. 4 is the storage tank structural representation that the present invention excavates suction car;
Fig. 5 be the present invention excavate suction car carry out side coil discharging schematic diagram;
Fig. 6 is that the present invention excavates suction car pumping operation schematic diagram;
Fig. 7 be the present invention excavate suction car carry out afterbody discharging schematic diagram.
Detailed description of the invention
As depicted in figs. 1 and 2, the invention provides a kind of excavation and aspirate car, it comprises vehicle chassis 1, vacuum unit 2 and filter 3, described vacuum unit 2 and filter 3 are all arranged on vehicle chassis 1, described vacuum unit 2 is connected with filter 3, and this excavation suction car also comprises slewing equipment 8, suction arm 4, device for discharging 5 and storage tank 6; Described slewing equipment 8 comprises pivoting support 81 and bracket 82(as shown in Figure 5), described bracket 82 is fixed on above pivoting support 81, described pivoting support 81 is arranged on the upper of vehicle chassis 1, and can rotate around the first axis 91, drives the bracket 82 be fixed on above pivoting support 81 to rotate; Described suction arm 4 is arranged on bracket 82 on a side, and excavate material and fragmentation, described device for discharging 5 is arranged on bracket 82 on another side, and described storage tank 6 is arranged on device for discharging 5, and described storage tank 6 is connected with filter 3; Described suction arm 4 be provided with suction material suction tube 46, described suction tube 46 one end is connected with storage tank 6, the other end with wait that inhaling material contacts; Described vacuum unit 1 connects filter 3, storage tank 6 inner chamber is aspirated into partial vacuum state, utilizes the pressure reduction between storage tank 6 inner chamber and air, treating after the fragmentation of suction arm 4 is inhaled material and sucks in storage tank 6 by suction tube 46; During discharging, storage tank 6 is tumbled by device for discharging 5, and material unloads by material under self gravitation.
As shown in Figure 2, described suction arm 4 comprises rotating base 41, sub-arm 42 to 44, suction tube fastening devices 45, actuating unit 48 and excavating gear 47; Described rotating base 41 is fixed on bracket 82 on a side, and its inside is provided with pivoting support or bearing (not shown), rotates under the effect of motor or motor around the second axis 92; One end of described sub-arm 42 connects rotating base 41 by articulated manner; One end of described actuating unit 481 connects rotating base 41 by articulated manner, and the other end of this actuating unit 481 connects the other end of described sub-arm 42 by articulated manner; Described suction tube fastening devices 45 is arranged on sub-arm; Described suction tube 46 is fixed on sub-arm 42 to 44 by suction tube fastening devices 45, and under the start of actuating unit 48, described suction tube 46 is with the conversion of position, sub-arm 42 to 44 action implementation space; Described excavating gear 47, its one end is with excavation thing or wait that inhaling material contacts, and the other end is connected with suction tube 46.
As shown in Figure 2, the sub-arm described in the present embodiment is more than two joints, is connected successively between described often joint sub-arm by articulated manner, and is connected with actuating unit by articulated manner between the end of each joint sub-arm and the front end of next stage sub-arm.I.e. first order sub-arm 42, second level sub-arm 43, second level sub-arm 44, connected successively by articulated manner between described more piece sub-arm 42 to 44, and be connected with actuating unit by articulated manner between the end of each joint sub-arm and the front end of next stage sub-arm.Namely be connected with actuating unit 482 by articulated manner between the end of first order sub-arm 42 and the front end of second level sub-arm 43, between the end of second level sub-arm 43 and the front end of third level sub-arm 44, be connected with actuating unit 483 by articulated manner.
As shown in Figure 3, described excavating gear 47 power set 471 that comprise rotatable broken pipe 473, transmission device 472 and drive broken pipe 473 to rotate; Described power set 471 are motor or motor, and its output is connected with the input of transmission device 472; One end of described broken pipe 473 is connected with transmission device 472 output, and its other end is with excavation thing or wait that inhaling material contacts; One end of described suction tube 46 is connected and its maintenance geo-stationary with the housing of transmission device 472 is airtight, and described suction tube 46 communicates with the broken pipe 473 be arranged on transmission device; Described broken pipe 473, under the driving of motor or motor, rotates around broken pipe 373 axis 93, treats broken material and carries out broken, and broken material to be sucked up in the storage tank excavated on suction car 6 by broken pipe 473, suction tube 46.Described broken pipe 473 and broken material one end indentation, or in broken pipe bottom, the blade for cuttings material is installed, described blade can be arranged on broken pipe bottom circumferentially.
As shown in Figure 2 and Figure 4, described storage tank comprises one end and has the hollow vessel 61 of opening, executing agency 63 and suction channel 66; The top of described storage tank 6 is provided with the material sucking port A sucking material, and the openend of described tank body 6 is provided with the discharging end cap 62 matched with it, and described discharging end cap 62 is hinged on tank body 6 opening part; Described executing agency 63 is fixed on tank body 61, and the clutch end of this executing agency 63 is connected with discharging end cap 62, makes discharging end cap 62 carry out opening or closing relative to tank body 61 opening when described executing agency 63 works; Described tank body 1 outer surface is also provided with and will be pumped into the extract opening B of partial vacuum in tank body, this extract opening B is connected with filter 3; Described suction channel 66 is arranged in tank body 61 inner chamber, and its one end is communicated with extract opening A, and the other end is unsettled to be arranged in tank body 61 inner chamber; Described vacuum unit 2 connect filter 3 by extract opening A and suction channel 46 by tank body 61 air extract out and form partial vacuum state, extraneous wait to inhale material under the effect of pressure differential, suck tank body 61 by material sucking port inner.
Described storage tank 61 also comprises pressure-regulating device 64, described pressure-regulating device 64 to be arranged in tank body 61 outside circumference or outside discharging end cap on, the pressure reduction between this pressure-regulating device regulating tank intracoelomic cavity and atmospheric pressure; This pressure-regulating device 64 is gate valve, and described gate valve manually controls, hydraulic control, a kind of mode in pneumatic control or electrical control carry out opening or closing control.
Described storage tank 61 goes back involving vibrations device 65, and described vibrating device 65 is more than one group and is arranged on the tank body 61 of storage tank 6, and this oscillation device 65, by vibration tank body 61, comes off and sticks to the material of tank body 61 inner chamber.
Shown in Fig. 1 and Fig. 5, described device for discharging 5 comprises telescoping mechanism 51, first lifting mechanism 52 and the second lifting mechanism 53; Described telescoping mechanism 51 one end is connected with slewing equipment 8, and the other end is connected near opening part with on storage tank 6; Described first lifting mechanism 52 one end is connected with non-telescoping part in telescoping mechanism 51, and the other end is connected away from opening part with on storage tank 6; Described second lifting mechanism 53 one end is connected with slewing equipment 8, and the other end is connected with non-telescoping part in telescoping mechanism 51; During discharging, storage tank 6 is extrapolated by telescoping mechanism 51, the first lifting mechanism 52 pushes up storage tank 6 simultaneously, the second lifting mechanism 53 pushes up telescoping mechanism 51, is tumbled by storage tank 6 thus utilize the gravity of material to be unloaded by material.
Described executing agency 63, telescoping mechanism 51, first lifting mechanism 52 and the second lifting mechanism 53 are telescopic oil cylinder.
Operating principle of the present invention is as follows:
As depicted in figs. 1 and 2, excavate that suction car carries out excavating, pumping operation time, under the effect of executing agency 48, sub-arm 42 to 44 launches, suction tube 46 and excavating gear 47 are accurately moved to job location, excavating gear 47 rotates around the second axis under motor or motor effect, thus can by compacting soil or similar materials fragmentation, and vacuum unit 1 works and utilizes the pressure reduction between storage tank 6 inner chamber and air to be pumped to excavating broken material in storage tank 6 by suction tube 46.Now, the end cap 62 of storage tank 6 is in closure state under executing agency 63 acts on, and tank body 61 bore seal is tight.
As shown in Figure 3, excavate suction car when only carrying out pumping operation, suction tube 46 front end by hydraulic quick coupler mode or other connecting mode connect one do not possess data mining duty wait inhale material suction tube 49.The pressure reduction between storage tank 6 inner chamber and air is utilized to be pumped in storage tank 6 by loose unpacked material.Now, the end cap 62 of storage tank 6 is in closure state under executing agency 63 acts on, and tank body 61 bore seal is tight.
As shown in Figure 5, when excavation suction car carries out discharge operation, the supporting leg of levelling device 7 lands, and guarantees the stability of whole equipment; In the effect of telescoping mechanism 51, first lifting mechanism 52 and the second lifting mechanism 53, storage tank 6 lifting is stretched out outside chassis 1; Pressure-regulating device 64 acts on, air pressure in tank body 61 and atmospheric pressure are adjusted to close state, execution architecture 63 is stretched out, end cap 62 is opened, the gravity of stored material is utilized to be unloaded by the material of tank body 61 inner chamber, now, vibrating device 65 acts on, by vibration by clean for the material unloading in tank body 61.
The present invention can rotate around the first central axis 91 due to slewing equipment 8 in addition, excavate the suction excavation of car, collected state that suction, discharging state are not limited to Fig. 1, Fig. 2, Fig. 5 and Fig. 6, give as shown in Figure 7 and excavate suction car and carry out afterbody discharging schematic diagram.
By the detailed description of above embodiment, wish clearly describe feature of the present invention, if those skilled in the art carries out various change and distortion to the present invention belong to the claims in the present invention and equivalent technologies scope thereof, then the present invention also comprises these and changes and distortion.
Claims (10)
1. one kind is excavated suction car, comprise vehicle chassis, vacuum unit and filter, described vacuum unit and filter are all arranged on vehicle chassis, described vacuum unit is connected with filter, it is characterized in that: this excavation suction car also comprises slewing equipment, suction arm, device for discharging and storage tank;
Described slewing equipment comprises pivoting support and bracket, and described bracket is fixed on above pivoting support, and described pivoting support is arranged on vehicle chassis, and rotates around the first axis, drives the carriage rotation be fixed on above pivoting support;
Described suction arm to be arranged on bracket on a side, excavates, broken to material, and described device for discharging is arranged on bracket on another side, and described storage tank is arranged on device for discharging, and described storage tank is connected with filter;
Described suction arm be provided with suction material suction tube, described suction tube one end is connected with storage tank, the other end with wait that inhaling material contacts;
Described vacuum unit connects filter, storage tank inner chamber is aspirated into partial vacuum state, utilizes the pressure reduction between storage tank inner chamber and air, treating after the fragmentation of suction arm is inhaled material and sucks in storage tank by suction tube; During discharging, storage tank is tumbled by device for discharging, and material unloads by material under self gravitation.
2. one according to claim 1 excavates suction car, it is characterized in that: described suction arm comprises rotating base, sub-arm, suction tube fastening devices, actuating unit and excavating gear;
Described rotating base is fixed on bracket on a side, and its inside is provided with pivoting support or bearing, rotates under the effect of motor or motor around the second axis; One end of described sub-arm connects rotating base by articulated manner; One end of described actuating unit connects rotating base by articulated manner, and the other end of this actuating unit connects the other end of described sub-arm by articulated manner; Described suction tube fastening devices is arranged on sub-arm; Described suction tube is fixed on sub-arm by suction tube fastening devices, and under the start of actuating unit, described suction tube is with the conversion of position, sub-arm action implementation space;
Described excavating gear, its one end is with excavation thing or wait that inhaling material contacts, and the other end is connected with suction tube.
3. one according to claim 2 excavates suction car, it is characterized in that: described sub-arm is more than two joints, connected successively by articulated manner between described often joint sub-arm, and each joint end of sub-arm and the front end of next stage sub-arm be connected with actuating unit.
4. one according to claim 2 excavates suction car, it is characterized in that: described excavating gear comprises
Rotatable fragmentation pipe, transmission device and the power set driving broken pipe to rotate;
Described power set are motor or motor, and its output is connected with the input of transmission device;
One end of described broken pipe is connected with transmission output, and its other end is with excavation thing or wait that inhaling material contacts;
One end of described suction tube is connected and its maintenance geo-stationary with the housing of transmission device is airtight, and described suction tube communicates with the broken pipe be arranged on transmission device;
Described broken pipe, under the driving of motor or motor, rotates around the 3rd axis, carries out broken to material, broken material by brokenly to manage, suction tube is sucked up in storage tank;
One end indentation of described broken pipe broken material, or in broken pipe bottom, the blade for cuttings material is installed.
5. one according to claim 1 excavates suction car, it is characterized in that: described storage tank comprises one end and has the tank body of opening, executing agency and suction channel;
The top of described storage tank is provided with the material sucking port sucking material, and the openend of described tank body is provided with the discharging end cap matched with it, and described discharging end cap is hinged on tank body opening part by articulated mounting;
Described executing agency is fixed on tank body, and the clutch end of this executing agency is connected with discharging end cap, makes discharging end cap carry out opening or closing relative to tank body opening during described executing agency's work;
Described tank body outer surface is also provided with the extract opening by being pumped into partial vacuum in tank body, this extract opening is connected with filter; Described suction channel is arranged in tank inner chamber, and its one end is communicated with extract opening, and the other end is unsettled to be arranged in tank inner chamber; Described vacuum unit connects filter, extracts the air in tank body out formation partial vacuum state by extract opening and suction channel, and extraneous waits that inhale material sucks tank interior by material sucking port under the effect of pressure differential.
6. one according to claim 5 excavates suction car, it is characterized in that: described storage tank also comprises pressure-regulating device, described pressure-regulating device is arranged in tank body outside circumference or delivery end covers, the pressure reduction between this pressure-regulating device regulating tank intracoelomic cavity and atmospheric pressure.
7. one according to claim 5 excavates suction car, it is characterized in that: described storage tank is involving vibrations device also, described vibrating device is more than one group and is arranged on the tank body of storage tank, and this vibrating device, by vibration tank body, comes off and sticks to the material of tank inner chamber.
8. one according to claim 5 excavates suction car, it is characterized in that: described device for discharging comprises telescoping mechanism, the first lifting mechanism and the second lifting mechanism;
Described telescoping mechanism one end is connected with slewing equipment, and the other end is connected near opening part with on storage tank; Described first lifting mechanism one end is connected with part non-telescoping in telescoping mechanism, and the other end is connected away from opening part with on storage tank; Described second lifting mechanism one end is connected with slewing equipment, and the other end is connected with part non-telescoping in telescoping mechanism;
During discharging, storage tank is extrapolated by telescoping mechanism, the first lifting mechanism pushes up storage tank simultaneously, the second lifting mechanism pushes up telescoping mechanism, is tumbled by storage tank thus utilize the gravity of material to be unloaded by material.
9. one according to claim 8 excavates suction car, it is characterized in that: described executing agency, telescoping mechanism, the first lifting mechanism and the second lifting mechanism are telescopic oil cylinder.
10. the one according to any one of claim 1 to 9 excavates suction car, it is characterized in that: described excavation suction car also comprises the levelling device be arranged on below vehicle chassis, and it comprises the supporting leg of more than three, for regulating the level excavating suction car.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410037322.3A CN103821194B (en) | 2014-01-26 | 2014-01-26 | A kind of excavation aspirates car |
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| CN201410037322.3A CN103821194B (en) | 2014-01-26 | 2014-01-26 | A kind of excavation aspirates car |
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| CN103821194B true CN103821194B (en) | 2016-01-20 |
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| CN107604961B (en) * | 2017-10-27 | 2023-06-27 | 武汉理工大学 | Suction type excavator |
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| CN110499796B (en) * | 2019-09-24 | 2024-06-18 | 山东路得威工程机械制造有限公司 | Vacuum excavation car |
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| CN203768966U (en) * | 2014-01-26 | 2014-08-13 | 福建省海山机械股份有限公司 | Excavating and pumping vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103821194A (en) | 2014-05-28 |
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Address after: 351100 Putian City, Fujian province Xitianwei town Licheng District Dong Hu Cun Nan Shao Lin Lu (Shuangfeng shoes) No. 3 floor Applicant after: FUJIAN HAISHAN MACHINERY CO., LTD. Address before: 351100 Putian City, Fujian province Xitianwei town Licheng District Dong Hu Cun Nan Shao Lin Lu (Shuangfeng shoes) No. 3 floor Applicant before: FUJIAN HAISHAN MACHINERY CO., LTD. |
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Inventor after: Huang Xiangyang Inventor after: Yan Binglei Inventor before: Huang Xiangyang Inventor before: Yan Binglei |
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Denomination of invention: An excavation suction truck Effective date of registration: 20210923 Granted publication date: 20160120 Pledgee: Putian Huangshi sub branch of Industrial Bank Co.,Ltd. Pledgor: FUJIAN HAISHAN MACHINERY Co.,Ltd. Registration number: Y2021980009722 |
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