CN114517583A - Working machine - Google Patents
Working machine Download PDFInfo
- Publication number
- CN114517583A CN114517583A CN202011299085.XA CN202011299085A CN114517583A CN 114517583 A CN114517583 A CN 114517583A CN 202011299085 A CN202011299085 A CN 202011299085A CN 114517583 A CN114517583 A CN 114517583A
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- China
- Prior art keywords
- arm
- support
- cab
- base
- hinge structure
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0445—Devices for both conveying and distributing with distribution hose with booms
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Component Parts Of Construction Machinery (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention provides a working machine, which comprises a vehicle body and a rotary table; the vehicle body is provided with a rotary assembly positioned at the rear part of the cab; the rotary table comprises a supporting seat, a supporting arm and a switching structure; the supporting seat is arranged on the rotary assembly; the support arm is installed on the supporting seat and can rotate to the top of the cab relative to the rotation axis of the turntable, and the support arm is provided with a switching structure. The invention ensures the mechanical strength of the rotary table, is not limited to the eccentric arrangement of the rotary table, ensures that the rotary table can reach larger eccentric distance, ensures that the arm support connected with the rotary table can be arranged above the cab of the operation machinery, fully utilizes the vacant space above the cab, and can effectively increase the length of the arm support which can be arranged.
Description
Technical Field
The invention relates to the technical field of working machines, in particular to a working machine.
Background
The working machine is an important component in the equipment industry, and is mainly used for earth and stone construction, pavement maintenance, hoisting, loading and unloading, fire fighting and the like, so that the working machine can be classified into a hoisting machine, a piling machine, a pavement machine, a compacting machine, a fire fighting truck and the like according to categories.
For a working machine needing rotary operation, a rotary table is an important component of the rotary table, the upper part of the rotary table is hinged with the end part of an arm support, the lower part of the rotary table is fixed with a rotary support structure, and the rotary support structure is arranged on a fixed rotary tower. During rotary operation, the rotary table and the rotary support structure are driven by the driving mechanism to rotate on a horizontal plane relative to the fixed rotary tower, so that the tail end of the arm support can reach different operation positions. Meanwhile, the upper part of the rotary table is also hinged with the fixed end of the amplitude variation mechanism, and the telescopic end of the amplitude variation mechanism is hinged on the arm support, so that the pitching angle of the arm support can be changed by controlling the extension of the amplitude variation mechanism.
As shown in fig. 1, the conventional turntable generally includes a bottom plate 101 and a side plate 102, the side plate 102 is mounted on the bottom plate 101, a boom hinge hole 103 for being hinged to one end of a boom and a luffing mechanism hinge hole 104 for being hinged to a fixed end of a luffing mechanism are provided in the side plate 102, and a front sealing plate 105 for connecting the bottom plate 101 is welded to the side plate 102. However, the structure design of the rotary table is not reasonable, the eccentric distance of the arm support hinge hole relative to the rotation axis is too small, and when the arm support hinge hole is arranged at a larger eccentric distance relative to the rotation axis, the stress at the joint between the front sealing plate and the bottom plate is deteriorated.
Therefore, the existing rotary table is poor in mechanical strength, the eccentric arrangement of the rotary table is limited, the vacant space above the cab of the operation machine is difficult to make full use of to arrange the rotary table, and the distribution length of the arm support is seriously influenced.
Disclosure of Invention
The invention provides a working machine, which is used for solving the problems that the existing rotary table is poor in mechanical strength, the eccentric arrangement of the rotary table is limited, and the empty space above a cab of the working machine is difficult to be fully utilized for arranging the rotary table.
The present invention provides a working machine, including: a vehicle body and a turntable; the vehicle body is provided with a rotary assembly positioned behind the cab; the rotary table comprises a supporting seat, a supporting arm and a switching structure; the supporting seat is arranged on the rotary assembly; the support arm is mounted on the support base and can rotate to the position above the cab relative to the rotation axis of the rotary table, and the switching structure is mounted on the support arm.
According to the work machine provided by the invention, the first end of the supporting arm is arranged on the supporting seat, and the eccentric distance of the second end of the supporting arm relative to the rotary axis of the rotary table is larger than the distance between the rear end of the cab and the rotary axis.
According to the working machine provided by the invention, the first end of the supporting arm is arranged at the upper end of the supporting seat, and the height of the supporting arm and the height of the upper end of the supporting seat are both higher than the top of the cab.
According to the work machine provided by the invention, the supporting arm is horizontally arranged.
According to the working machine provided by the invention, the supporting seat comprises a base and a tower drum, the base is installed on a slewing bearing structure of the slewing assembly, the lower end of the tower drum is connected with the base, and the upper end of the tower drum is connected with the first end of the supporting arm.
According to the operation machine provided by the invention, a first pipe penetrating opening and an access opening are formed in the wall of the tower drum, a second pipe penetrating opening is formed in the end face of the base, and the second pipe penetrating opening is located in an area defined by the tower drum; and/or a plurality of mounting holes which are arranged along the circumference are formed in the base, and the base is connected with the slewing bearing structure through a bolt locking assembly which penetrates through the mounting holes.
According to the working machine provided by the invention, the switching structure comprises a hinged arm, the hinged arm is arranged on the supporting arm and is arranged along the length direction of the supporting arm, a first hinged structure and a second hinged structure are arranged on the hinged arm, and the first hinged structure and the second hinged structure are arranged at intervals along the length direction of the hinged arm.
According to the present disclosure, the articulated arm includes a first side plate, a second side plate, and a sealing plate, the first and second side plates being spaced apart from each other and arranged side by side, the sealing plate being connected between the first and second side plates.
According to the working machine provided by the invention, the base of the supporting seat is a bottom plate, the supporting arm is a supporting plate, and the first side plate and the second side plate of the hinged arm are vertically arranged on the supporting plate.
The working machine further comprises an arm support and a luffing mechanism; the first hinge structure is hinged with the end part of the arm support, the second hinge structure is hinged with one end of the amplitude variation mechanism, the other end of the amplitude variation mechanism is hinged with the middle part of the arm support, and the eccentric distance of the first hinge structure relative to the rotation axis of the rotary table is larger than that of the second hinge structure relative to the rotation axis; the eccentric distance of the first hinge structure relative to the rotation axis is greater than that of the rear end of the cab and less than that of the front end of the cab relative to the rotation axis, or the eccentric distance of the first hinge structure relative to the rotation axis is greater than that of the front end of the cab relative to the rotation axis; the eccentric distance of the second hinge structure relative to the rotary axis is greater than the eccentric distance of the rear end of the cab relative to the rotary axis and is less than the eccentric distance of the front end of the cab relative to the rotary axis.
According to the work machine provided by the invention, the first hinge structure and the second hinge structure are hinge holes formed on the hinge arm.
According to the operation machine provided by the invention, the support seat of the rotary table is connected with the rotary assembly, the support arm is arranged on the support seat, and the rotary table has higher mechanical strength based on the reliable connection between the support seat and the support arm, so that the switching structure can be conveniently arranged at any position on the support arm, the limitation on the eccentric arrangement of the rotary table is ensured, the support arm can be rotated to the upper part of the cab of the operation machine, the rotary table can reach a larger eccentric distance, and when the switching structure is used for connecting the arm frame, the arm frame can be arranged above the cab, so that the vacant space above the cab is fully utilized, and the length of the arm frame which can be arranged is effectively increased.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a conventional turntable;
FIG. 2 is a schematic illustration of a work machine upper arm carrier according to the present disclosure in a retracted position;
FIG. 3 is a schematic illustration of an upper arm rest of a work machine according to the present disclosure in an extended position;
fig. 4 is a schematic perspective view of a turntable according to the present invention;
fig. 5 is a schematic front view of a turntable according to the present invention;
fig. 6 is a schematic structural view of an articulated arm provided by the present invention.
Reference numerals:
101: a base plate; 102: a side plate; 103: a boom hinge hole;
104: a luffing mechanism hinge hole; 105: a front closing plate; 1: a vehicle body;
2: a turntable; 3: a swing assembly; 4: a cab;
5: a boom; 21: a supporting seat; 211: a base;
212: a tower drum; 22: a support arm; 23: an articulated arm;
231: a first hinge structure; 232: a second hinge structure; 233: a first side plate;
234: a second side plate; 235: closing the plate; 6: a luffing mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.
The work machine of the present invention is described below in conjunction with fig. 2-6.
As shown in fig. 2 to 5, the present embodiment provides a working machine including: the device comprises a vehicle body 1, a rotary table 2 and a switching structure; a rotary assembly 3 positioned behind a cab 4 is arranged on the vehicle body 1; the turntable 2 comprises a support base 21 and a support arm 22; the supporting seat 21 is arranged on the rotation assembly 3; the support arm 22 is attached to the support base 21 and can rotate above the cab 4 with respect to the rotation axis of the turntable 2, and the support arm 22 is attached to an adapter structure.
It is specific, this embodiment is connected with gyration assembly 3 through the supporting seat 21 with revolving stage 2, install support arm 22 on supporting seat 21, based on the reliable connection between supporting seat 21 and the support arm 22, make revolving stage 2 have higher mechanical strength, be convenient for arrange the switching structure in the optional position on support arm 22, ensure that the eccentric setting to revolving stage 2 is unrestricted, because support arm 22 can revolve to the top of operation machinery's driver's cabin 4, make revolving stage 2 can reach great eccentric distance, when being used for the connection of cantilever crane 5 with the switching structure, can make cantilever crane 5 arrange in the top of driver's cabin 4, with the vacant space of make full use of 4 tops of driver's cabin, effectively increase the length that can distribute of cantilever crane 5.
It should be noted that the working machine shown in the present embodiment may be a crane, a concrete pump truck, a crane, a fire truck, or the like capable of performing a slewing operation, and the slewing assembly of the working machine may be provided with the slewing table shown in the present embodiment. The support base 21 shown in this embodiment can be understood as a structural member having a relatively strong mechanical structure, and the support base 21 is directly mounted on the slewing bearing structure of the slewing assembly 3. The support arm 22 shown in this embodiment may be designed in a long plate shape, and one end of the support arm 22 may be mounted on the support base 21, and the other end of the support arm 22 may be extended from the outer side of the support base 21, or the middle portion of the support arm 22 may be mounted on the support base 21, as long as the support arm 22 can be rotated to the upper side of the cab 4.
Meanwhile, the supporting arm 22 shown in the present embodiment may be disposed horizontally or obliquely; in the case where the support arm 22 is disposed horizontally, the height of the support arm 22 as a whole should be higher than the top of the cab 4; under the condition that the supporting arm 22 is obliquely arranged, the height of one end of the supporting arm 22 connected with the supporting seat 21 can be set to be lower than the top of the cab 4, and the height of one section of the supporting arm 22 close to the other end of the supporting arm is higher than the top of the cab 4.
In addition, in order to facilitate the connection between the turntable 2 and the arm support 5, the switching structure shown in this embodiment may be a hinge structure.
As shown in fig. 2 and 4, in order to ensure that the turntable 2 can reach a large eccentric distance, the first end of the supporting arm 22 is mounted on the supporting seat 21, and the eccentric distance of the second end of the supporting arm 22 relative to the rotation axis of the turntable 2 is greater than the distance between the rear end of the cab 4 and the rotation axis, so that when the supporting arm 22 shown in this embodiment rotates, the second end of the supporting arm 22 can rotate to the position right above the cab 4, even to the front of the cab 4.
As shown in fig. 2 and 3, in order to prevent the support arm 22 from interfering with the cab 4 during the rotation process, the first end of the support arm 22 is installed at the upper end of the support base 21, and the height of the support arm 22 and the height of the upper end of the support base 21 are both higher than the top of the cab 4.
It should be noted here that, in the case where the upper ends of the support bases 21 are all set at a height lower than the top of the cab 4, since the first ends of the support arms 22 are mounted on the upper ends of the support bases 21, here, it is only necessary to set a section of the support arms 22 near the second ends thereof at a height higher than the top of the cab 4.
As shown in fig. 2 and 3, in the case where the height of the end of the support arm 22 connected to the support base 21 is higher than the top of the cab 4, the support arm 22 may be disposed in a horizontal arrangement in the present embodiment.
Based on the improvement of the above embodiment, the support base 21 of the embodiment includes a base 211 and a tower 212, the base 211 is mounted on the slewing bearing structure, the lower end of the tower 212 is connected to the base 211, and the upper end of the tower 212 is connected to the first end of the support arm 22.
As shown in fig. 4 to 5, the base 211 shown in this embodiment may be a circular base plate matched with the pivoting support structure, and the tower drum 212 may be vertically installed on the base 211, and since the tower drum 212 is circular, it has strong anti-overturning performance, so that a connection structure based on the base 211 and the tower drum 212 may achieve better mechanical strength.
Further, in the case that the working machine shown in this embodiment is a concrete pump truck, in this embodiment, a first pipe penetrating opening and an inspection opening may be further formed in the cylinder wall of the tower 212, wherein the first pipe penetrating opening and the inspection opening are formed in the cylinder wall of the tower 212 in a manner of being arranged oppositely, and the inspection opening is convenient for a worker to inspect the rotary table and install the conveying pipe on the rotary table; the end face of the base 211 is provided with a second pipe penetrating opening, and the second pipe penetrating opening is located in an area surrounded by the tower 212. Here, through setting up first mouth of pipe and the second mouth of pipe of wearing, can be convenient for wear the mouth of pipe with the second in proper order with the conveyer pipe on the mobile concrete pump to be connected with the pumping system on automobile body 1.
Further, in order to ensure reliable connection between the base 211 and the slewing bearing structure, in this embodiment, a plurality of mounting holes arranged along the circumference are formed in the base 211, and the base 211 and the slewing bearing structure are connected through a bolt locking assembly passing through the mounting holes.
Based on the improvement of the above embodiment, the adaptor structure shown in this embodiment includes the hinge arm 23, the hinge arm 23 is installed on the support arm 22 and is disposed along the length direction of the support arm 22, the hinge arm 23 is provided with the first hinge structure 231 and the second hinge structure 232, and the first hinge structure 231 and the second hinge structure 232 are disposed at intervals along the length direction of the hinge arm 23.
In the embodiment, the first hinge structure 231 and the second hinge structure 232 are hinge holes formed on the hinge arm 23.
As shown in fig. 2, the present embodiment may specifically provide that the eccentric distance D1 of the first hinge structure 231 with respect to the rotation axis of the turntable 2 is greater than the eccentric distance D2 of the second hinge structure 232 with respect to the rotation axis of the turntable 2; meanwhile, the eccentric distance D1 of the first hinge structure 231 with respect to the swivel axis shown in the present embodiment is greater than the eccentric distance D3 of the rear end of the cab 4 with respect to the swivel axis and is smaller than the eccentric distance D4 of the front end of the cab 4 with respect to the swivel axis, or the eccentric distance D1 of the first hinge structure 231 with respect to the swivel axis is greater than the eccentric distance D4 of the front end of the cab 4 with respect to the swivel axis, so that the first hinge structure 231 is distributed above or in front of the cab 4 in the case where the hinge arm 23 swivels above the cab 4.
Meanwhile, the eccentric distance D2 of the second hinge structure 232 with respect to the swivel axis in the present embodiment is greater than the eccentric distance D3 of the rear end of the cab 4 with respect to the swivel axis and is smaller than the eccentric distance D4 of the front end of the cab 4 with respect to the swivel axis, so that the second hinge structure 232 is distributed above the cab 4 in the case where the hinge arm 23 swivels above the cab 4.
As shown in fig. 3, based on the above arrangement of the first hinge structure 231 and the second hinge structure 232, the present embodiment can hinge the first hinge structure 231 with the end portion of the arm support 5, hinge the second hinge structure 232 with one end of the luffing mechanism 6, and hinge the other end of the luffing mechanism 6 with the middle portion of the arm support 5.
Since the arm support 5 usually includes a plurality of arm segments, which are sequentially a first arm, a second arm, … and an nth arm connected in sequence from the head end to the tail end, N is a natural number greater than or equal to 2. Here, the first articulation 231 shown in this embodiment is articulated to the head end of the first arm, the second articulation 232 is articulated to one end of the horn 6, and the other end of the horn 6 is articulated to the middle of the first arm, wherein the horn 6 may be a hydraulic ram as is known in the art.
As shown in fig. 5, based on the modification of the above embodiment, in order to better provide the first hinge structure 231 and the second hinge structure 232 on the hinge arm 23 and provide an avoidance space for the deflection of the first arm and the luffing mechanism 6, the hinge arm 23 of the present embodiment includes a first side plate 233, a second side plate 234, and a sealing plate 235, wherein the first side plate 233 and the second side plate 234 are spaced apart from each other and arranged side by side, and the sealing plate 235 is connected between the first side plate 233 and the second side plate 234.
As shown in fig. 4 and 5, the hinge arm 23 shown in this embodiment includes a first arm segment and a second arm segment, the first arm segment and the second arm segment are arranged at an obtuse angle, one end of the first arm segment is arranged near the rotation axis of the turntable 2, the other end of the first arm segment is arranged far away from the rotation axis of the turntable 2 and is connected with one end of the second arm segment, the other end of the second arm segment is provided with a first hinge structure 231, the joint portion of the first arm segment and the second arm segment is provided with a second hinge structure 232, and the first hinge structure 231 is higher than the second hinge structure 232.
It should be noted that the base of the supporting seat shown in the present embodiment is a bottom plate, the supporting arm is a supporting plate, and the first side plate and the second side plate of the hinge arm are vertically installed on the supporting plate.
As shown in fig. 3-5, the first arm segment of the present embodiment is mounted to a support arm 22. The embodiment shown with two sealing plates 235, one on the first arm segment of the hinge arm 23 and the other on the second arm segment of the hinge arm 23, ensures a better mechanical strength of the hinge arm 23.
In summary, in the working machine shown in this embodiment, the existing revolving stage is improved, the supporting seat 21 located at the lower layer is installed on the revolving support structure of the revolving assembly 3, and the supporting arm 22 is installed on the upper side of the supporting seat 21 to form an upper and lower layered structure, so that the revolving stage 2 has higher mechanical strength and can revolve to the upper side of the cab 4 of the working machine, so that the revolving stage 2 can reach a larger eccentric distance, and therefore, based on the arrangement of the hinged arm 23 on the supporting arm, the boom 5 can be arranged above the cab 4, so as to fully utilize the vacant space above the cab 4, and effectively increase the length that the boom 5 can be arranged.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A work machine, comprising:
the automobile body is provided with a rotary assembly positioned behind a cab;
the rotary table comprises a supporting seat, a supporting arm and a switching structure; the supporting seat is arranged on the rotary assembly; the support arm is mounted on the support base and can rotate to the position above the cab relative to the rotation axis of the rotary table, and the switching structure is mounted on the support arm.
2. The work machine of claim 1, wherein a first end of the support arm is mounted to the support base and a second end of the support arm is offset from the pivot axis by a distance greater than a distance between a rear end of the cab and the pivot axis.
3. The work machine of claim 2, wherein the first end of the support arm is mounted to the upper end of the support base, the support arm and the upper end of the support base each being disposed at a height greater than the top of the cab.
4. A work machine according to claim 3, wherein the support arm is arranged horizontally.
5. The work machine of claim 3, wherein the support base includes a base mounted to the slewing bearing structure of the slewing assembly and a tower connected at a lower end to the base and at an upper end to the first end of the support arm.
6. The working machine as claimed in claim 5, wherein a first pipe penetrating opening and an access opening are formed in the wall of the tower, a second pipe penetrating opening is formed in the end face of the base, and the second pipe penetrating opening is located in an area defined by the tower;
and/or a plurality of mounting holes distributed along the circumference are formed in the base, and the base is connected with the slewing bearing structure through a bolt locking assembly penetrating through the mounting holes.
7. The work machine of any one of claims 1 to 6, wherein said interface structure comprises a hinged arm mounted to said support arm and disposed along a length of said support arm, said hinged arm having a first hinge structure and a second hinge structure, said first hinge structure and said second hinge structure being spaced apart along said length of said hinged arm.
8. The work machine of claim 7, wherein said articulated arm includes a first side plate, a second side plate and a sealing plate, said first and second side plates being spaced apart from one another and arranged side-by-side, said sealing plate being connected between said first and second side plates.
9. The work machine of claim 8, wherein the base of the support base is a base plate, the support arm is a support plate, and the first and second side plates of the articulated arm are vertically mounted to the support plate.
10. The work machine of claim 8, further comprising an arm support and a luffing mechanism; the first hinge structure is hinged with the end part of the arm support, the second hinge structure is hinged with one end of the amplitude variation mechanism, and the other end of the amplitude variation mechanism is hinged with the middle part of the arm support; the first hinge structure is eccentric with respect to the axis of rotation by a distance greater than the second hinge structure;
the eccentric distance of the first hinge structure relative to the rotation axis is greater than that of the rear end of the cab and less than that of the front end of the cab relative to the rotation axis, or the eccentric distance of the first hinge structure relative to the rotation axis is greater than that of the front end of the cab relative to the rotation axis;
the eccentric distance of the second hinge structure relative to the rotation axis is greater than the eccentric distance of the rear end of the cab relative to the rotation axis and is less than the eccentric distance of the front end of the cab relative to the rotation axis.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011299085.XA CN114517583B (en) | 2020-11-18 | 2020-11-18 | Work machine |
| PCT/CN2021/103554 WO2022105238A1 (en) | 2020-11-18 | 2021-06-30 | Work machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011299085.XA CN114517583B (en) | 2020-11-18 | 2020-11-18 | Work machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114517583A true CN114517583A (en) | 2022-05-20 |
| CN114517583B CN114517583B (en) | 2023-04-25 |
Family
ID=81594635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011299085.XA Active CN114517583B (en) | 2020-11-18 | 2020-11-18 | Work machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114517583B (en) |
| WO (1) | WO2022105238A1 (en) |
Citations (5)
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|---|---|---|---|---|
| CN201092736Y (en) * | 2007-08-28 | 2008-07-30 | 三一重工股份有限公司 | Concrete pump vehicle jib panoramic table |
| CN201818056U (en) * | 2010-08-31 | 2011-05-04 | 三一重工股份有限公司 | Engineering machinery and turntable arm support system thereof |
| CN202370260U (en) * | 2011-12-21 | 2012-08-08 | 三一重工股份有限公司 | Turntable arm rest system and engineering machinery |
| CN202441063U (en) * | 2012-02-06 | 2012-09-19 | 三一重工股份有限公司 | Rotary table and engineering machinery and arm support devices thereof |
| KR101329119B1 (en) * | 2013-08-13 | 2013-11-14 | 이준호 | High place operation device and high place operation car |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2013340A (en) * | 1978-01-26 | 1979-08-08 | B & A Eng Co | Indicating tilt |
| US9302129B1 (en) * | 2014-11-24 | 2016-04-05 | Oshkosh Corporation | Turntable assembly for a fire apparatus |
| CN204282832U (en) * | 2014-11-25 | 2015-04-22 | 三一汽车制造有限公司 | A kind of engineering machinery and turntable thereof |
| CN207313069U (en) * | 2017-08-29 | 2018-05-04 | 徐工集团工程机械有限公司 | Rescue rescues people's car |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201092736Y (en) * | 2007-08-28 | 2008-07-30 | 三一重工股份有限公司 | Concrete pump vehicle jib panoramic table |
| CN201818056U (en) * | 2010-08-31 | 2011-05-04 | 三一重工股份有限公司 | Engineering machinery and turntable arm support system thereof |
| CN202370260U (en) * | 2011-12-21 | 2012-08-08 | 三一重工股份有限公司 | Turntable arm rest system and engineering machinery |
| CN202441063U (en) * | 2012-02-06 | 2012-09-19 | 三一重工股份有限公司 | Rotary table and engineering machinery and arm support devices thereof |
| KR101329119B1 (en) * | 2013-08-13 | 2013-11-14 | 이준호 | High place operation device and high place operation car |
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| CN114517583B (en) | 2023-04-25 |
| WO2022105238A1 (en) | 2022-05-27 |
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