CN111218978A - Trailing suction unit assembly - Google Patents
Trailing suction unit assembly Download PDFInfo
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- CN111218978A CN111218978A CN202010083366.5A CN202010083366A CN111218978A CN 111218978 A CN111218978 A CN 111218978A CN 202010083366 A CN202010083366 A CN 202010083366A CN 111218978 A CN111218978 A CN 111218978A
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- trailing suction
- large arm
- assembly
- trailing
- power shaft
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- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a trailing suction unit assembly which is arranged on a large arm mechanism of a dredging robot, the trailing suction unit assembly comprises a trailing suction screw mechanism and a large arm assembly coaxial linkage mechanism arranged on two sides of the trailing suction screw mechanism, two ends of one side of the large arm mechanism are respectively and rotatably connected on two sides of the trailing suction screw mechanism through the large arm assembly coaxial linkage mechanism, the middle position of the top surface of the trailing suction screw mechanism is rotatably connected with a piston end of a trailing suction head adjusting oil cylinder through an adjusting oil cylinder piston pin shaft, aiming at the defects of the existing equipment, the invention designs a trailing suction unit assembly which is coaxially linked and can be adjusted by multiple degrees of freedom, and the trailing suction screw mechanism, the trailing suction screw mechanism and the large arm assembly coaxial linkage mechanism can move independently according to the actual conditions in pipelines and culverts, thereby greatly improving the working efficiency under the condition of dredging, and the risk of hydraulic oil leakage is avoided, the use effect is good, and the market prospect is wide.
Description
Technical Field
The invention relates to the technical field of mechanical transmission, in particular to a trailing suction unit assembly.
Background
With the rapid development of urbanization in China, the construction scale of the urban drainage system is further enlarged. The existing urban drainage is mainly dredged by underground pipelines and box culverts. The drainage mode can inevitably cause sludge deposition in long-time accumulation, and various conditions such as pipeline and box culvert blockage, sewage overflow and the like gradually occur. Especially in flood season, urban drainage is not smooth, and the serious water accumulation on the road surface caused by the sludge deposition even causes traffic interruption of the road section, seriously influences the life, production and environment pollution of citizens, and causes great loss to social economy. The fast and slow development degree of a city mainly depends on a city drainage system. Therefore, the drainage pipelines and box culverts of the city must be cleaned regularly, and the method has very important significance for protecting the urban environment, avoiding pollution, maintaining the city appearance of the city and improving the life quality of citizens. However, urban drainage pipelines and box culverts are harsh in environment and also contain some toxic gases, and the manual cleaning is easy to cause harm to personal safety. Therefore, the dredging robot is obtained.
The activity of the trailing suction screw on the existing dredging robot is limited, and the trailing suction screw, the trailing suction screw mechanism and the large arm assembly coaxial linkage mechanism can not be actuated independently, so that time and labor are wasted when sludge in pipelines and box culverts is cleaned, and higher labor cost is required to be provided.
Disclosure of Invention
The invention aims to provide a trailing suction unit assembly to solve the problem that a trailing suction screw mechanism, a trailing suction screw mechanism and a large arm assembly coaxial linkage mechanism in the existing dredging robot cannot act independently.
In order to achieve the purpose, the invention provides the following technical scheme: the trailing suction unit assembly is arranged on a large arm mechanism of the dredging robot, the trailing suction unit assembly comprises a trailing suction spiral mechanism and a large arm assembly coaxial linkage mechanism arranged on two sides of the trailing suction spiral mechanism, two ends on one side of the large arm mechanism are respectively rotatably connected on two side positions of the trailing suction spiral mechanism through the large arm assembly coaxial linkage mechanism, the middle position of the top surface of the trailing suction spiral mechanism is rotatably connected with a piston end of a trailing suction head adjusting oil cylinder through an adjusting oil cylinder piston pin shaft, the cylinder body end of the trailing suction head adjusting oil cylinder is rotatably connected on the middle position of the large arm mechanism, the trailing suction head adjusting oil cylinder is used for driving the trailing suction spiral mechanism to turn over on the large arm mechanism, a trailing suction spiral is rotatably arranged in the trailing suction spiral mechanism, one end of the large arm assembly coaxial linkage mechanism penetrates through the side wall of the trailing suction spiral mechanism and is fixedly connected with the end surface of the trailing suction spiral 605 through a trailing suction spiral connecting bolt component, the two ends of the large arm mechanism close to the two trailing suction spiral mechanisms are fixedly provided with trailing suction spiral driving motors, and the output of the trailing suction spiral driving motors is fixedly connected to the other end of the large arm assembly coaxial linkage mechanism.
Preferably, the trailing suction screw mechanism comprises a trailing suction cover assembly, one end of a trailing suction unit support arranged on the top end face of the trailing suction cover assembly and a mud pump assembly arranged on the outer side wall of the trailing suction cover assembly, the other end of the trailing suction unit support is arranged on the mud pump assembly, bearing sleeves are welded on two side walls of the trailing suction cover assembly in a penetrating mode, adjusting cylinder piston end shaft sleeves are symmetrically welded on the trailing suction unit support, and adjusting cylinder piston pin shafts penetrate through the adjusting cylinder piston end shaft sleeves and are arranged on the trailing suction unit support through adjusting cylinder piston pin shaft fixing nuts.
Preferably, the large arm assembly coaxial linkage mechanism comprises a power shaft and a friction ring arranged on the power shaft, the friction ring is made of soft material, one end of the power shaft is provided with a plate seat connected with the end surface of the trailing suction spiral, the other end of the power shaft is provided with a flat key hole which is connected with the output end of the trailing suction spiral driving motor in a key way, a groove is arranged on one side of the plate seat of the power shaft close to the power shaft, the friction ring is fixedly arranged in the groove through a plurality of friction ring countersunk head screws, the power shaft is in interference fit with a trailing suction mechanism running bearing and a big arm running bearing in a hydraulic press-fit mode, two ends of one side of the large arm mechanism are respectively connected on the power shaft in a rotating way through a large arm running bearing, and the operation bearing of the trailing suction mechanism is inserted into the bearing sleeve and is used for enabling the trailing suction screw mechanism to rotate on the two coaxial linkage mechanisms.
Preferably, the power shaft is provided with a middle clamp spring and an end clamp spring which prevent the operation bearing of the trailing suction mechanism and the operation bearing of the large arm from axially moving.
Preferably, the key slot end of the power shaft is fixedly provided with a friction cover plate through a cover plate countersunk head bolt.
Preferably, the thickness of the friction ring is larger than the depth of the groove on the inner side of the plate seat of the power shaft.
Preferably, the friction cover plate is made of a soft material.
Compared with the prior art, the invention has the beneficial effects that: a large arm mechanism of the dredging robot is important equipment connected to the front side wall of a vehicle body, and plays a role in supporting and adjusting the angle and the height of a trailing suction screw mechanism of the dredging robot, so that a coaxial linkage mechanism of the large arm assembly drives a trailing suction screw to work at different positions.
The whole structure is symmetrically arranged, and the matched arrangement of the drag suction head and the adjustment of the oil cylinder drive makes the torque of the drag suction head larger and the operation more reliable.
The trailing suction screw is driven by a trailing suction screw driving motor and is symmetrically arranged, so that a balance torque can be obtained, and the operation is more reliable.
Through the arrangement structure of the serial coaxial type of the operating bearing of the trailing suction mechanism and the large arm operating bearing, the degree of freedom which is one time more than that of a single bearing structure can be obtained, and the problem that the trailing suction screw mechanism, the trailing suction screw mechanism and the large arm assembly coaxial linkage mechanism need to move independently can be solved.
The friction ring made of relatively soft materials is added at the position where the relative motion exists and is used as a consumable, so that the effective service life of main parts is prolonged, and the mechanical failure rate is reduced.
Aiming at the defects of the existing equipment, the invention designs a coaxially-linked multi-freedom-degree-adjustable trailing suction unit assembly, which can enable a trailing suction screw mechanism, a trailing suction screw mechanism and a large arm assembly coaxial linkage mechanism to move independently according to the actual conditions in pipelines and box culverts, greatly improves the working efficiency under the condition of ensuring the dredging effect, has no risk of hydraulic oil leakage, has good use effect and wide market prospect.
Drawings
FIG. 1 is a schematic view of the overall structure of the dredging robot of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural view of the screw mechanism for trailing suction according to the present invention;
FIG. 4 is a schematic structural view of the coaxial linkage mechanism of the boom assembly of the present invention.
In the figure: 4-big arm mechanism, 6-trailing suction unit assembly, 601-trailing suction screw mechanism, 6011-trailing suction cover assembly, 6012-trailing suction unit bracket, 6013-slurry pump assembly, 6014-bearing sleeve, 6015-adjusting oil cylinder piston end shaft sleeve, 6016-adjusting oil cylinder piston pin shaft fixing nut, 602-big arm assembly coaxial linkage mechanism, 6021-power shaft, 6022-friction ring, 6023-friction ring countersunk screw, 6024-trailing suction mechanism running bearing, 6025-big arm running bearing, 603-adjusting oil cylinder piston pin shaft, 604-trailing suction head adjusting oil cylinder, 605-trailing suction screw, 606-trailing suction screw connecting bolt component, 607-trailing suction screw driving motor, 608-middle snap spring, 609-end snap spring, 610-cover plate countersunk screw bolt, 611 — friction cover plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a trailing suction unit assembly is arranged on a large arm mechanism 4 of a dredging robot in figures 1 and 2, the trailing suction unit assembly 6 comprises a trailing suction screw mechanism 601 and a large arm assembly coaxial linkage mechanism 602 arranged at two sides of the trailing suction screw mechanism 601, two ends at one side of the large arm mechanism 4 are respectively and rotatably connected with two side positions of the trailing suction screw mechanism 601 through the large arm assembly coaxial linkage mechanism 602, the middle position of the top surface of the trailing suction screw mechanism 601 is rotatably connected with a piston end of a trailing suction head adjusting oil cylinder 604 through an adjusting oil cylinder piston pin shaft 603, a suction head end of the trailing suction head adjusting oil cylinder 604 is rotatably connected with the middle position of the large arm mechanism 4, the trailing suction head adjusting oil cylinder 604 pushes the piston to stretch through hydraulic action, the trailing suction head adjusting oil cylinder 604 is used for driving the trailing suction screw mechanism 601 to be positioned on the large arm mechanism 4 to turn over, a trailing suction screw 605 is rotatably arranged in the trailing suction screw mechanism 601, one end of the large arm assembly coaxial linkage mechanism 602 penetrates through the side wall of the trailing suction screw mechanism 601 and is fixedly connected with the opposite end face of the trailing suction screw 605 through the trailing suction screw connecting bolt component 606, both ends of the large arm mechanism 4 close to the two trailing suction screw mechanisms 601 are fixedly provided with trailing suction screw driving motors 607, the output of the trailing suction screw driving motors 607 is fixedly connected with the other end of the large arm assembly coaxial linkage mechanism 602, the motions are controlled by hydraulic valves to supply oil, the motions can be mutually independent and can also be mutually combined, under the hydraulic action, the trailing suction screw driving motors 607 drive the power shaft 6021 to rotate, thereby driving the trailing suction screw 605 to rotate, and during working, the height, the excavating angle and the excavating speed of the trailing suction screw 605 can be adjusted according to the actual conditions in pipelines and box culverts, so that the working efficiency is greatly improved under the condition of ensuring the dredging effect
Specifically, in fig. 3, the suction spiral mechanism 601 includes a suction hood assembly 6011, one end of a suction unit support 6012 disposed on a top end surface of the suction hood assembly 6011, and a slurry pump assembly 6013 disposed on an outer side wall of the suction hood assembly 6011, the other end of the suction unit support 6012 is disposed on the slurry pump assembly 6013, two side walls of the suction hood assembly 6011 are welded with bearing sleeves 6014 in a penetrating manner, a concentric shaft tool is manufactured for the two bearing sleeves 6014 to meet a requirement for coaxiality after manufacturing, adjustment cylinder piston end shaft sleeves 6015 are welded symmetrically on the suction unit support 6012, and an adjustment cylinder piston pin 603 penetrates through the adjustment cylinder piston end shaft sleeves 6015 and is disposed on the suction unit support 6012 through an adjustment cylinder piston pin fixing nut 6016.
Specifically, in fig. 4, the large arm assembly coaxial linkage mechanism 602 includes a power shaft 6021 and a friction ring 6022 installed on the power shaft 6021, the friction ring 6022 is made of soft material, one end of the power shaft 6021 is provided with a plate seat connected with the end face of the rake screw 605, the other end of the power shaft 6021 is provided with a flat key hole connected with the output end of the rake screw driving motor 607, one side of the plate seat of the power shaft 6021 close to the power shaft 6021 is provided with a groove, the friction ring 6022 is fixedly installed in the groove by a plurality of friction ring countersunk head screws 6023, the power shaft 6021 is interference-fitted with a rake mechanism running bearing 6024 and a large arm running bearing 6025 by a hydraulic press-fit manner, both ends of one side of the large arm mechanism 4 are respectively rotatably connected to the power shaft 6021 by the large arm running bearing 6025, and the rake mechanism running bearing 6024 is inserted into the bearing sleeve 6014 for rotating the rake screw 601 on both coaxial linkage mechanisms 602.
Specifically, the power shaft 6021 is provided with a middle snap spring 608 and an end snap spring 609 which prevent the axial movement of the drag mechanism running bearing 6024 and the large arm running bearing 6025, and the drag mechanism running bearing 6024 and the large arm running bearing 6025 form a set of double-bearing series structure, so that the installation and positioning are convenient and the bearing is prevented from moving on the power shaft 6021 due to long-term operation.
Specifically, the splined end of power shaft 6021 has a friction cover 611 fixedly mounted thereto by cover countersunk head bolt 610.
Specifically, the thickness of the friction ring 6022 is greater than the depth of the recess inside the plate seat of the power shaft 6021, and the friction ring 6022 has a plate seat partially projected from the power shaft 6021 after installation, and its annular portion is a normal friction wear position.
Specifically, the friction cover plate 611 is made of a soft material, and the friction ring 6022 and the friction cover plate 611 are both consumable parts because the end surfaces of the friction ring 6022 and the bearing sleeve 6014 and the end surfaces of the friction cover plate 611 and the power shaft 6021 move relative to each other, and are made of a relatively soft material.
The working principle is as follows: the large arm structure 4 of the dredging robot is an important device connected to the front side wall of the vehicle body, and plays a role in supporting and adjusting the angle and height of the trailing suction screw mechanism 601, so that the large arm assembly coaxial linkage mechanism 602 drives the trailing suction screw 605 to work at different positions. The whole structure is symmetrically arranged, and the scraper suction head adjusting oil cylinder 604 is driven to be matched with the scraper suction head adjusting oil cylinder, so that the moment of the scraper suction head is larger, and the scraper suction head can run more reliably. The trailing suction screw 605 is driven by a trailing suction screw driving motor 607 and is symmetrically arranged, so that a balance moment can be obtained, and the operation is more reliable. The arrangement structure of the serial coaxial type of the drag and suction mechanism running bearing 6024 and the large arm running bearing 6025 can obtain one time of freedom degree more than that of a single bearing structure, and can solve the problem that the drag and suction screw 605, the drag and suction screw mechanism 601 and the large arm assembly coaxial linkage mechanism 602 need to move independently. The friction ring made of relatively soft materials is added at the position where the relative motion exists and is used as a consumable, so that the effective service life of main parts is prolonged, and the mechanical failure rate is reduced.
Aiming at the defects of the existing equipment, the invention designs a coaxially-linked multi-freedom-degree-adjustable trailing suction unit assembly 6, which can enable a trailing suction screw 605, a trailing suction screw mechanism 601 and a large arm assembly coaxial linkage mechanism 602 to move independently according to the actual conditions in pipelines and box culverts, greatly improves the working efficiency under the condition of ensuring the dredging effect, has no risk of hydraulic oil leakage, has good use effect and wide market prospect.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The trailing suction unit assembly is arranged on a large arm mechanism (4) of the dredging robot, and is characterized in that: the trailing suction unit assembly (6) comprises a trailing suction screw mechanism (601) and a large arm assembly coaxial linkage mechanism (602) arranged at two sides of the trailing suction screw mechanism (601), two ends of one side of the large arm mechanism (4) are respectively rotatably connected to two side positions of the trailing suction screw mechanism (601) through the large arm assembly coaxial linkage mechanism (602), the middle position of the top surface of the trailing suction screw mechanism (601) is rotatably connected with a piston end of a trailing suction head adjusting oil cylinder (604) through an adjusting oil cylinder piston pin shaft (603), the cylinder body end of the trailing suction head adjusting oil cylinder (604) is rotatably connected to the middle position of the large arm mechanism (4), the trailing suction head adjusting oil cylinder (604) is used for driving the trailing suction screw mechanism (601) to turn over on the large arm mechanism (4), a trailing suction screw (605) is rotatably arranged inside the trailing suction screw mechanism (601), one end of the large arm assembly coaxial linkage mechanism (602) penetrates through the side wall of the trailing suction screw mechanism (601) and is fixedly connected with the opposite end face of the trailing suction screw (605) through a trailing suction screw connecting bolt component (606), the two ends of the large arm mechanism (4) close to the trailing suction screw mechanism (601) are fixedly provided with trailing suction screw driving motors (607), and the output of the trailing suction screw driving motors (607) is fixedly connected to the other end of the large arm assembly coaxial linkage mechanism (602).
2. The trailing suction unit assembly of claim 1, wherein: the harrowing and sucking screw mechanism (601) comprises a harrowing and sucking cover assembly (6011), one end of a harrowing and sucking unit support (6012) arranged on the top end face of the harrowing and sucking cover assembly (6011) and a mud pump assembly (6013) arranged on the outer side wall of the harrowing and sucking cover assembly (6011), the other end of the harrowing and sucking unit support (6012) is arranged on the mud pump assembly (6013), two side walls of the harrowing and sucking cover assembly (6011) are penetratingly welded with bearing sleeves (6014), adjusting cylinder piston end shaft sleeves (6015) are symmetrically welded on the harrowing and sucking unit support (6012), and adjusting cylinder piston pin shafts (603) penetrate through the adjusting cylinder piston end shaft sleeves (6015) and are arranged on the harrowing and sucking unit support (6012) through adjusting cylinder piston pin shaft fixing nuts (6016).
3. The trailing suction unit assembly of claim 1, wherein: the large arm assembly coaxial linkage mechanism (602) comprises a power shaft (6021) and a friction ring (6022) arranged on the power shaft (6021), wherein the friction ring (6022) is made of soft materials, one end of the power shaft (6021) is provided with a plate seat connected with the end surface of the trailing suction screw (605), the other end of the power shaft (6021) is provided with a flat key hole connected with the output end of the trailing suction screw driving motor (607) in a key way, one side of the plate seat of the power shaft (6021) close to the power shaft (6021) is provided with a groove, the friction ring (6022) is fixedly arranged in the groove through a plurality of friction ring countersunk head screws (6023), the power shaft (6021) is in interference fit with a trailing suction mechanism running bearing (6024) and a large arm running bearing (6025) in a hydraulic press fit way, and two ends of one side of the large arm mechanism (4) are respectively connected to the power shaft (6021) in a rotating way through the large arm running bearing (6025), the running bearing (6024) of the trailing suction mechanism is inserted into a bearing sleeve (6014) and is used for enabling the trailing suction spiral mechanism (601) to rotate on the two coaxial linkage mechanisms (602).
4. The trailing suction unit assembly of claim 3, wherein: and a middle clamp spring (608) and an end clamp spring (609) for preventing the axial movement of the drag and suction mechanism running bearing (6024) and the large arm running bearing (6025) are arranged on the power shaft (6021).
5. The trailing suction unit assembly of claim 4, wherein: and a friction cover plate (611) is fixedly arranged at the key slot end of the power shaft (6021) through a cover plate countersunk head bolt (610).
6. The trailing suction unit assembly of claim 5, wherein: the thickness of the friction ring (6022) is larger than the depth of the groove at the inner side of the plate seat of the power shaft (6021).
7. The trailing suction unit assembly of claim 6, wherein: the friction cover plate (611) is made of soft materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083366.5A CN111218978A (en) | 2020-02-09 | 2020-02-09 | Trailing suction unit assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083366.5A CN111218978A (en) | 2020-02-09 | 2020-02-09 | Trailing suction unit assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111218978A true CN111218978A (en) | 2020-06-02 |
Family
ID=70809805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010083366.5A Pending CN111218978A (en) | 2020-02-09 | 2020-02-09 | Trailing suction unit assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111218978A (en) |
-
2020
- 2020-02-09 CN CN202010083366.5A patent/CN111218978A/en active Pending
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