CN114517581A - Rotary table and working machine - Google Patents
Rotary table and working machine Download PDFInfo
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- CN114517581A CN114517581A CN202011295393.5A CN202011295393A CN114517581A CN 114517581 A CN114517581 A CN 114517581A CN 202011295393 A CN202011295393 A CN 202011295393A CN 114517581 A CN114517581 A CN 114517581A
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- rotating
- rotary
- turntable
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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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- 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
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention provides a rotary table and an operation machine, wherein the rotary table comprises a rotary seat and a mounting arm, and the rotary seat is provided with a rotary axis; one end of the mounting arm is arranged on the rotating seat, a first rotating connection structure and a second rotating connection structure are arranged at intervals on the mounting arm, and the first rotating connection structure and the second rotating connection structure are located on the same side of the rotating axis. According to the turntable and the operation machine provided by the invention, the first rotating connection structure and the second rotating connection structure are arranged on the same side of the rotating axis, so that under the condition that the distance between the two rotating connection structures is equal, the same-side arrangement mode is opposite to the different-side arrangement mode, the eccentricity of the first rotating connection structure relative to the rotating axis can be increased, and therefore, a sufficient design space is provided for an arm support of the operation machine.
Description
Technical Field
The embodiment of the invention relates to the technical field of operating machinery, in particular to a rotary table and operating machinery.
Background
For working machines that require rotary operation (e.g., concrete pump trucks), a turntable is an important component. The rotary table is provided with an arm support hinged point and an oil cylinder hinged point so as to be respectively hinged with the arm support and the amplitude-variable oil cylinder, the arm support hinged point and the oil cylinder hinged point are respectively arranged on different sides of the rotating axis of the rotary table, the arrangement mode of the arm support hinged point and the oil cylinder hinged point limits the arrangement range of the arm support hinged point relative to the maximum eccentric distance of the rotating axis, and therefore the arm support of the operation machine is limited in arrangement length.
Disclosure of Invention
The invention provides a rotary table and a working machine, which are used for solving the problem that the arrangement mode of an arm support hinge point and an oil cylinder hinge point of the conventional rotary table can limit the arrangement range of the maximum eccentricity of the arm support hinge point relative to a rotation axis.
The present invention provides a turntable, comprising:
a rotating seat formed with a rotating axis; and the number of the first and second groups,
the installation arm, the one end of installation arm set up in rotate the seat, the installation arm interval is provided with first rotation connection structure and second and rotates connection structure, first rotation connection structure with the second rotates connection structure and is located same one side of axis of rotation.
According to the turntable provided by the embodiment of the invention, the rotary seat is provided with a fixed mounting structure which is annularly arranged, and the first rotary connecting structure and the second rotary connecting structure are both positioned at the outer side of the fixed mounting structure.
According to the turntable of the embodiment of the invention, the fixed mounting structure comprises a plurality of mounting holes which surround the rotating axis and are arranged along a circular track.
According to the turntable disclosed by the embodiment of the invention, the parts of the rotating seat, which are positioned on the inner side and the outer side of the fixed mounting structure, are fixedly connected with the mounting arms, and the mounting arms are provided with avoidance grooves corresponding to the fixed mounting structure.
According to the turntable of one embodiment of the present invention, the first rotation connecting structure and the second rotation connecting structure are located on the same side of the rotation axis in the first direction;
the rotating seat comprises a bottom plate, one end of the mounting arm is fixedly connected with the bottom plate, at least one end of the bottom plate in the first direction extends laterally to form an extending portion, and the extending portion is fixedly connected with the mounting arm.
According to the turntable of one embodiment of the invention, the distance from the first rotating connection structure to the bottom surface of the rotating seat is greater than the distance from the second rotating connection structure to the bottom surface of the rotating seat; and/or the presence of a gas in the gas,
the distance from the first rotary connection to the axis of rotation is greater than the distance from the second rotary connection to the axis of rotation; and/or the presence of a gas in the gas,
one end of the mounting arm, which is provided with the first rotating connection structure, laterally exceeds the rotating seat.
According to the turntable disclosed by the embodiment of the invention, the mounting arm comprises two side plates which are arranged in parallel, the two side plates are vertically arranged on the rotating seat and are opposite at intervals, and the first rotating connecting structure and the second rotating connecting structure are arranged on the two side plates.
According to the turntable provided by one embodiment of the invention, the first rotating connection structure comprises first hinge holes arranged on two side plates, and the second rotating connection structure comprises second hinge holes arranged on two side plates; alternatively, the first and second electrodes may be,
the first rotating connection structure comprises two first hinge holes formed in the side plates, a first shaft sleeve is arranged at the first hinge hole, the second rotating connection structure comprises two second hinge holes formed in the side plates, and a second shaft sleeve is arranged at the second hinge hole.
According to the turntable disclosed by the embodiment of the invention, the mounting arm comprises a reinforcing plate, the reinforcing plate is vertically arranged on the rotating seat, one reinforcing plate is attached to the inner side surface and/or the outer side surface of each side plate, and the reinforcing plate is provided with a through hole corresponding to the second rotating connecting structure.
According to the turntable disclosed by the embodiment of the invention, the turntable further comprises enclosing plates extending along the circumferential direction of the rotating seat, one enclosing plate is arranged on each of the outer sides of the two side plates, and the enclosing plates are vertically arranged on the rotating seat and fixedly connected with the outer side surface of the corresponding side plate; and/or the presence of a gas in the gas,
the turntable also comprises a first sealing plate, and one end of each of the two side plates, which is provided with the first rotating connection structure, and one end of each of the rotating seats, which is close to the first rotating connection structure, are both fixedly connected with the first sealing plate; and/or the presence of a gas in the gas,
the rotary table further comprises a second sealing plate, the inner side surfaces of the rotary seat and the two side plates are fixedly connected with the second sealing plate, and the second sealing plate and the second rotary connecting structure are located on two opposite sides of the rotary axis; and/or the presence of a gas in the gas,
the turntable further comprises a partition plate, the rotating seat and the two inner side surfaces of the side plates are fixedly connected with the partition plate, and the partition plate and the second rotating connecting structure are located on the same side of the rotating axis.
According to the turntable of one embodiment of the present invention, the partition is close to the rotation axis with respect to the second rotation connecting structure.
According to the turntable, the first sealing plate is provided with the opening.
According to the turntable provided by the embodiment of the invention, the rotating seat is provided with a fixed mounting structure which is annularly arranged, the enclosing plate, the second sealing plate and the partition plate are all positioned on the inner side of the fixed mounting structure, and the first sealing plate is positioned on the outer side of the fixed mounting structure.
An embodiment of the present invention further provides a working machine, including:
a body;
the rotary table is the rotary table, and a rotary seat of the rotary table is rotationally connected with the machine body;
one end of the arm support is rotatably connected with the first rotary connecting structure of the rotary table; and the number of the first and second groups,
and two ends of the driving part are respectively and rotatably connected with the second rotary connecting structure of the rotary table and the arm support.
According to an embodiment of the present invention, the working machine further includes a cab mounted on the machine body, the cab is located at a front side of the rotating seat, and when the boom is in a folded state, the first rotating connection structure is located at a front side of a rotation axis of the rotating table, wherein:
the first rotary connecting structure is positioned right above the cab; alternatively, the first and second electrodes may be,
the first rotary connection is located at a front side of the cab.
According to an embodiment of the present invention, the working machine further includes a cab mounted on the machine body, the cab is located at a front side of the rotating seat, and when the boom is in a folded state, the second rotating connection structure is located at a front side of a rotation axis of the rotating table, wherein:
the second rotary connecting structure is positioned at the rear side of the cab; alternatively, the first and second electrodes may be,
the second rotary connecting structure is positioned right above the cab; alternatively, the first and second electrodes may be,
the second rotating connection is located at a front side of the cab.
According to the turntable and the operation machine provided by the invention, the first rotating connection structure and the second rotating connection structure are arranged on the same side of the rotating axis, so that under the condition that the distance between the two rotating connection structures is equal, the same-side arrangement mode is opposite to the different-side arrangement mode, the eccentricity of the first rotating connection structure relative to the rotating axis can be increased, and therefore, a sufficient design space is provided for an arm support of the operation machine.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a turntable provided by the present invention;
FIG. 2 is a schematic illustration of a work machine according to the present disclosure; wherein the arm support is in a furled state;
FIG. 3 is a schematic illustration of the construction of the work machine of FIG. 2; wherein the arm support is in an unfolded state.
Reference numerals:
100: a working machine; 1: a turntable; 11: a rotating seat; 111: fixing the mounting structure; 112: an extension portion; 112 a: a first extension portion; 112 b: a second extension portion; 12: mounting an arm; 121: a first rotational connection; 122: a second rotational connection; 123: an avoidance groove; 124: a side plate; 125: a reinforcing plate; 13: enclosing plates; 14: a first seal plate; 141: opening a hole; 15: a second seal plate; 16: a partition plate; 2: a boom; 3: a body; 4: a cab; 5: a drive member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, belong to the protection scope of the embodiments of the present invention.
A turntable according to an embodiment of the present invention, which can be used for a working machine, is described below with reference to fig. 1 to 3, and as shown in fig. 1, the turntable 1 includes a rotating base 11 and a mounting arm 12.
As shown in fig. 1 and 3, the rotating seat 11 is formed with a rotation axis a. The rotatable seat 11 is rotatably coupled to the work machine 100 such that the rotatable seat 11 defines an axis of rotation a about which the rotatable seat 11 rotates on the work machine 100. The turntable 1 is mounted on the working machine 100 through the rotary base 11, and the specific style of the rotary base 11 can be set according to the actual situation, for example, as shown in fig. 1, the rotary base 11 includes a bottom plate, and the plate-shaped rotary base 11 has the advantage of simple structure. The working machine 100 is generally provided with a rotary supporting structure, the rotary seat 11 is fixedly mounted on the rotary supporting structure, so as to drive the rotary seat 11 to rotate through the rotary supporting structure, as shown in fig. 1, the rotary seat 11 is provided with a fixed mounting structure 111 arranged in a ring shape, the rotary seat 11 is fixedly mounted on the rotary supporting structure through the fixed mounting structure 111, and a rotation axis a of the rotary seat 11 is located inside the fixed mounting structure 111, where it is to be specifically described that the fixed mounting structure 111 arranged in a ring shape is arranged in an annular region, an inner side of the annular region is an inner side of the fixed mounting structure 111, and an outer side of the annular region is an outer side of the fixed mounting structure 111. The specific arrangement of the fixed mounting structure 111 is related to the mounting manner between the rotating base 11 and the rotating support structure, for example, as shown in fig. 1, in the embodiment, the fixed mounting structure 111 includes a plurality of mounting holes, and the plurality of mounting holes surround the rotating axis a and are arranged along a circular track, so that the rotating base 11 and the rotating support structure can be fixedly connected by a screw.
As shown in fig. 1, one end of the mounting arm 12 is disposed on the rotating base 11, and the mounting arm 12 is disposed with a first rotating connection structure 121 and a second rotating connection structure 122 at intervals, and the first rotating connection structure 121 and the second rotating connection structure 122 are located on the same side of the rotation axis a. As shown in fig. 2 and 3, the first rotary connection 121 of the mounting arm 12 is rotatably connected to the boom 2 of the work machine 100, and the second rotary connection 122 of the mounting arm 12 is rotatably connected to the driver 5 of the work machine 100. With a direction perpendicular to the central axis and the rotation axis a of the first rotation connecting structure 121 as a first direction, the first rotation connecting structure 121 and the second rotation connecting structure 122 are arranged along the first direction, and the first rotation connecting structure 121 and the second rotation connecting structure 122 are located on the same side of the rotation axis a in the first direction, and with respect to the first rotation connecting structure 121 and the second rotation connecting structure 122 respectively arranged on both sides of the rotation axis a in the first direction, the eccentricity of the first rotation connecting structure 121 with respect to the rotation axis a can be increased by locating the first rotation connecting structure 121 and the second rotation connecting structure 122 on the same side of the rotation axis a in the first direction.
According to the turntable 1 provided by the invention, the first rotating connection structure 121 and the second rotating connection structure 122 are arranged on the same side of the rotating axis A, so that under the condition that the distance between the two rotating connection structures is equal, the eccentric distance of the first rotating connection structure 121 relative to the rotating axis A can be increased in the manner of arranging on the same side relative to the manner of arranging on the opposite side.
Generally, as shown in fig. 1 and 3, the distance from the first rotating connecting structure 121 to the bottom surface of the rotating base 11 is H1, the distance from the second rotating connecting structure 122 to the bottom surface of the rotating base 11 is H2, and H1 > H2; the first rotary connection 121 is at a distance L1 from the axis of rotation a, the second rotary connection 122 is at a distance L2 from the axis of rotation a, and L1 > L2. The lower end of the mounting arm 12 is connected to the rotating base 11 with the direction of the rotation axis a as up-down direction and the first direction as front-back direction, the first rotation connecting structure 121 and the second rotation connecting structure 122 are located at the front side of the rotation axis a, and then the first rotation connecting structure 121 is located at the upper front of the second rotation connecting structure 122; also, as shown in fig. 1, in the present embodiment, one end of the mounting arm 12 provided with the first rotation connecting structure 121 laterally protrudes beyond the rotating seat 11, and the upper end of the mounting arm 12 protrudes forward beyond the rotating seat 11.
The first rotating connecting structure 121 and the second rotating connecting structure 122 are located on the same side of the rotating axis a, and the first rotating connecting structure 121 and the second rotating connecting structure 122 may be located on the inner side of the fixed mounting structure 111; it is also possible that the first rotating connecting structure 121 is located outside the fixed mounting structure 111 and the second rotating connecting structure 122 is located inside the fixed mounting structure 111; it is also possible that in the present embodiment, as shown in fig. 1, the first rotating connecting structure 121 and the second rotating connecting structure 122 are both located outside the fixed mounting structure 111, which is beneficial to increase the eccentricity of the first rotating connecting structure 121 with respect to the rotation axis a.
The mounting arm 12 is disposed on the rotating base 11, and the contact surface between the mounting arm 12 and the rotating base 11 can be increased to firmly fix the mounting arm 12 on the rotating base 11, specifically, as shown in fig. 1, in the present embodiment, the portions of the rotating base 11 located inside and outside the fixed mounting structure 111 are both fixedly connected to the mounting arm 12, and the mounting arm 12 is provided with an avoiding groove 123 corresponding to the fixed mounting structure 111, so that the contact surface between the mounting arm 12 and the rotating base 11 can be increased. Similarly, as shown in fig. 1, in the present embodiment, one end of the mounting arm 12 is fixedly connected to the base plate, at least one end of the base plate in the first direction extends laterally to form an extending portion 112, the extending portion 112 is fixedly connected to the mounting arm 12, and the contact surface between the mounting arm 12 and the rotary base 11 can also be increased by the arrangement of the extending portion 112. The extending portion 112 includes a first extending portion 112a and a second extending portion 112b, the first extending portion 112a and the first rotating connecting structure 121 are located on the same side of the rotation axis a, and the second extending portion 112b and the first rotating connecting structure 121 are located on opposite sides of the rotation axis a.
The turntable 1 is connected with an arm support and a driving part of the working machine through a mounting arm 12, and the specific style of the mounting arm 12 can be set according to the actual situation, for example, the mounting arm 12 can be a connecting rod; as another example, as shown in fig. 1, the mounting arm 12 includes two side plates 124 disposed in parallel, the two side plates 124 are disposed upright on the rotating base 11 and are spaced from each other, and the first rotating connecting structure 121 and the second rotating connecting structure 122 are disposed on the two side plates 124. The plate surfaces of the two side plates 124 are opposite at intervals, the plate surfaces of the two side plates 124 close to each other are inner side surfaces, the plate surfaces of the two side plates 124 away from each other are outer side surfaces, and the first direction and the rotation axis A are parallel to the plate surfaces of the two side plates 124. The specific arrangement manner of the first rotating connection structure 121 and the second rotating connection structure 122 is related to the installation manner of the arm support and the driving member and the installation arm 12, for example, as shown in fig. 1, in this embodiment, the first rotating connection structure 121 includes first hinge holes disposed on two side plates 124, each side plate 124 is provided with a first hinge hole, the second rotating connection structure 122 includes second hinge holes disposed on two side plates 124, and each side plate 124 is provided with a second hinge hole; also, the first hinge hole will typically be provided with a first bushing and the second hinge hole will typically be provided with a second bushing.
As shown in fig. 1, in the present embodiment, the mounting arm 12 includes a reinforcing plate 125, the reinforcing plate 125 is vertically disposed on the rotating base 11, an inner side and/or an outer side of each side plate 124 is provided with a reinforcing plate 125, and the reinforcing plate 125 is provided with a through hole corresponding to the second rotating connection structure 122. By the provision of the reinforcing plate 125, the structural strength at the second rotating connecting structure 122 can be improved. In this embodiment, a reinforcing plate 125 is attached to an outer side surface of each side plate 124.
As shown in fig. 1, in the present embodiment, the turntable 1 further includes a surrounding plate 13 extending along the circumferential direction of the rotating seat 11, one surrounding plate 13 is disposed on the outer side of each of the two side plates 124, the surrounding plate 13 is vertically disposed on the rotating seat 11 and fixedly connected to the outer side surface of the corresponding one of the side plates 124, the strength and rigidity of the whole turntable 1 can be improved by the disposing of the surrounding plate 13, and in the present embodiment, the surrounding plate 13 is located on the inner side of the fixed mounting structure 111, so that the surrounding plate 13 is not likely to interfere with the dismounting and mounting of the turntable 1.
As shown in fig. 1, in this embodiment, the turntable 1 further includes a first closing plate 14, one end of the two side plates 124 provided with the first rotating connecting structure 121 and one end of the rotating base 11 close to the first rotating connecting structure 121 are both fixedly connected to the first closing plate 14, and by the arrangement of the first closing plate 14, the strength and rigidity of the whole turntable 1 can also be improved, and in this embodiment, the first closing plate 14 is located outside the fixed mounting structure 111. The first extending portion 112a of the rotating base 11 is fixedly connected to the first closing plate 14.
Further, as shown in fig. 1, in the present embodiment, the first cover plate 14 is provided with an opening 141, and the opening 141 is provided to facilitate the disassembly and inspection of the structure on the turntable 1.
As shown in fig. 1, in this embodiment, the turntable 1 further includes a second sealing plate 15, the inner side surfaces of the rotating base 11 and the two side plates 124 are fixedly connected to the second sealing plate 15, the second sealing plate 15 and the second rotating connecting structure 122 are located at two opposite sides of the rotation axis a, and by the arrangement of the second sealing plate 15, the strength and rigidity of the whole turntable 1 can be improved, and in this embodiment, the second sealing plate 15 is located at the inner side of the fixed mounting structure 111.
Further, as shown in fig. 1, in the present embodiment, the free end of the second sealing plate 15 is bent toward the turning center, so that the second sealing plate 15 is structurally rigid.
As shown in fig. 1, in the present embodiment, the turntable 1 further includes a partition 16, the rotating base 11 and the inner side surfaces of the two side plates 124 are fixedly connected to the partition 16, the partition 16 and the second rotating connecting structure 122 are located on the same side of the rotation axis a, and by the arrangement of the partition 16, the strength and rigidity of the whole turntable 1 can also be improved, and in the present embodiment, the partition 16 is located inside the fixed mounting structure 111, and the partition 16 is close to the rotation axis a relative to the second rotating connecting structure 122.
As shown in fig. 1, in this embodiment, the free ends of the first and second cover plates 14, 15 and the diaphragm 16 are provided with notches, which avoids stress concentrations in the first and second cover plates 14, 15 and the diaphragm 16.
In the following, a working machine according to an embodiment of the present invention is described with reference to fig. 2 and 3, where the working machine may be a concrete pump truck, a crane, a fire truck, or the like, and as shown in fig. 2 and 3, the working machine 100 includes a turntable 1, an arm support 2, a body 3, and a driving member 5.
As shown in fig. 2 and 3, the turntable 1 is the turntable 1 as described above, and the rotating base 11 of the turntable 1 is rotatably connected to the body 3; one end of the arm support 2 is rotatably connected with a first rotating connection structure 121 of the rotary table 1; the two ends of the driving element 5 are respectively and rotatably connected with the second rotating connection structure 122 of the turntable 1 and the arm support 2, the arm support 2 has a relatively folded state and a relatively unfolded state, wherein the driving element 5 can be an oil cylinder or an air cylinder, etc.
According to the work machine 100 provided by the invention, the first rotating connecting structure 121 and the second rotating connecting structure 122 are arranged on the same side of the rotating axis A, so that under the condition that the distances between the two rotating connecting structures are equal, the eccentric distance of the first rotating connecting structure 121 relative to the rotating axis A can be increased in a manner of arranging on the same side relative to a manner of arranging on the opposite side, and thus, a sufficient design space is provided for the boom 2 of the work machine 100.
As shown in fig. 2 and 3, the working machine 100 generally further includes a cab 4, the cab 4 is mounted on the machine body 3 and located at the front side of the rotating seat 11, when the boom 2 is in the folded state, the first rotating connecting structure 121 of the rotating platform 1 is located at the front side of the rotation axis a, and the specific position relationship between the first rotating connecting structure 121 and the cab 4 may have various arrangements, for example, the first rotating connecting structure 121 may be located directly above the cab 4; first rotary joint structure 121 may also be located on the front side of cab 4. The first rotary connection structure 121 is extended to the top of the cab 4 even beyond the cab 4, so that the length of the arm support 2 has a larger design space.
When the arm support 2 is in the folded state, the second rotary connecting structure 122 is also located at the front side of the rotation axis a, and the specific positional relationship between the second rotary connecting structure 122 and the cab 4 may also have various setting manners, and the second rotary connecting structure 122 may be located at the rear side of the cab 4, that is, the second rotary connecting structure 122 is located between the cab 4 and the rotation axis a; second rotating connection 122 may also be located directly above cab 4; second rotary connection 122 may also be located on the front side of cab 4.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and not to limit the same; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, it should be understood by those skilled 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 the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (12)
1. A turntable, comprising:
a rotating seat formed with a rotating axis; and the number of the first and second groups,
the installation arm, the one end of installation arm set up in rotate the seat, the installation arm interval is provided with first rotation connection structure and second and rotates connection structure, first rotation connection structure with the second rotates connection structure and is located same one side of axis of rotation.
2. Turntable as claimed in claim 1, characterized in that the rotary base is provided with a ring-shaped arrangement of fixed mounting structures, the first and second rotary connection structures each being located outside the fixed mounting structures.
3. The turntable of claim 2, wherein the fixed mounting structure includes a plurality of mounting holes disposed about the axis of rotation and along a circular path.
4. The turntable according to claim 2, wherein the portions of the rotating base located on the inner side and the outer side of the fixed mounting structure are both fixedly connected to the mounting arm, and the mounting arm is provided with an avoidance groove corresponding to the fixed mounting structure.
5. Turntable as claimed in claim 1, characterized in that the first and second rotary connection are located on the same side of the axis of rotation in a first direction;
the rotating seat comprises a bottom plate, one end of the mounting arm is fixedly connected with the bottom plate, the two ends of the bottom plate in the first direction extend laterally to form extending portions, and the extending portions are fixedly connected with the mounting arm.
6. The turntable of claim 1, wherein the first rotational connection is a greater distance from the bottom surface of the rotating base than the second rotational connection; and/or the presence of a gas in the gas,
the distance from the first rotary connection to the axis of rotation is greater than the distance from the second rotary connection to the axis of rotation; and/or the presence of a gas in the gas,
one end of the mounting arm provided with the first rotating connection structure extends out of the rotating seat in the lateral direction.
7. The turntable according to any one of claims 1 to 6, wherein the mounting arm comprises two side plates arranged in parallel, the two side plates being arranged upright on the rotatable base and spaced apart from each other, the first and second rotatable connection structures being arranged on both of the side plates.
8. The turntable according to claim 7, further comprising a surrounding plate extending along a circumferential direction of the rotating base, wherein one surrounding plate is arranged on an outer side of each of the two side plates, and the surrounding plate is vertically arranged on the rotating base and fixedly connected with an outer side surface of a corresponding one of the side plates; and/or the presence of a gas in the gas,
the turntable also comprises a first sealing plate, and one end of each of the two side plates, which is provided with the first rotating connection structure, and one end of each of the rotating seats, which is close to the first rotating connection structure, are both fixedly connected with the first sealing plate; and/or the presence of a gas in the gas,
the rotary table further comprises a second sealing plate, the inner side surfaces of the rotary seat and the two side plates are fixedly connected with the second sealing plate, and the second sealing plate and the second rotary connecting structure are located on two opposite sides of the rotary axis; and/or the presence of a gas in the gas,
the turntable further comprises a partition plate, the rotating seat and the two inner side faces of the side plates are fixedly connected with the partition plate, the partition plate and the second rotating connecting structure are located on the same side of the rotating axis, and the partition plate is close to the rotating axis relative to the second rotating connecting structure.
9. The turntable of claim 7, wherein the first rotational connection structure comprises a first hinge hole provided in both of the side plates, and the second rotational connection structure comprises a second hinge hole provided in both of the side plates; alternatively, the first and second electrodes may be,
the first rotating connection structure comprises two first hinge holes formed in the side plates, a first shaft sleeve is arranged at the first hinge hole, the second rotating connection structure comprises two second hinge holes formed in the side plates, and a second shaft sleeve is arranged at the second hinge hole.
10. A work machine, comprising:
a body;
the rotary table is as claimed in any one of claims 1 to 9, and a rotary seat of the rotary table is rotatably connected with the machine body;
one end of the arm support is rotatably connected with the first rotary connecting structure of the rotary table; and the number of the first and second groups,
and the two ends of the driving part are respectively and rotatably connected with the second rotary connecting structure of the rotary table and the arm support.
11. The work machine of claim 10, further comprising a cab mounted to the fuselage, the cab being located forward of the swivel base, the first swivel connection being located forward of the swivel axis of the turret when the boom is in the stowed condition, wherein:
the first rotary connecting structure is positioned right above the cab; alternatively, the first and second electrodes may be,
the first rotary connection is located at a front side of the cab.
12. The work machine of claim 10, further comprising a cab mounted to the fuselage, the cab being located forward of the swivel base, the second swivel connection being located forward of the swivel axis of the turret when the boom is in the stowed position, wherein:
the second rotary connecting structure is positioned at the rear side of the cab; alternatively, the first and second electrodes may be,
the second rotary connecting structure is positioned right above the cab; alternatively, the first and second electrodes may be,
the second rotary connection is located at a front side of the cab.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011295393.5A CN114517581A (en) | 2020-11-18 | 2020-11-18 | Rotary table and working machine |
| PCT/CN2021/103559 WO2022105240A1 (en) | 2020-11-18 | 2021-06-30 | Turntable and work machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011295393.5A CN114517581A (en) | 2020-11-18 | 2020-11-18 | Rotary table and working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114517581A true CN114517581A (en) | 2022-05-20 |
Family
ID=81594994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011295393.5A Pending CN114517581A (en) | 2020-11-18 | 2020-11-18 | Rotary table and working machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114517581A (en) |
| WO (1) | WO2022105240A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000248583A (en) * | 1999-02-26 | 2000-09-12 | Komatsu Ltd | Revolving type hydraulic drive working machine |
| CN102878396A (en) * | 2012-09-27 | 2013-01-16 | 中联重科股份有限公司 | Engineering machine and turntable thereof |
| CN203603498U (en) * | 2013-08-13 | 2014-05-21 | 三一汽车制造有限公司 | Concrete pump truck and rotary table thereof |
| 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 |
| CN104843616A (en) * | 2015-04-17 | 2015-08-19 | 徐州徐工随车起重机有限公司 | Overhead working truck boom and control method for working radius of overhead working truck boom |
| CN205025109U (en) * | 2015-09-11 | 2016-02-10 | 北汽福田汽车股份有限公司 | Mobile concrete pump and revolving stage thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US9302129B1 (en) * | 2014-11-24 | 2016-04-05 | Oshkosh Corporation | Turntable assembly for a fire apparatus |
| CN107381458B (en) * | 2017-08-29 | 2023-07-04 | 江苏徐工工程机械研究院有限公司 | Rescue vehicle for rescuing people |
| CN209507514U (en) * | 2018-12-29 | 2019-10-18 | 徐州海伦哲特种车辆有限公司 | A kind of high-altitude operation vehicle that turntable can be vertically moved up or down |
-
2020
- 2020-11-18 CN CN202011295393.5A patent/CN114517581A/en active Pending
-
2021
- 2021-06-30 WO PCT/CN2021/103559 patent/WO2022105240A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000248583A (en) * | 1999-02-26 | 2000-09-12 | Komatsu Ltd | Revolving type hydraulic drive working machine |
| CN102878396A (en) * | 2012-09-27 | 2013-01-16 | 中联重科股份有限公司 | Engineering machine and turntable thereof |
| CN203603498U (en) * | 2013-08-13 | 2014-05-21 | 三一汽车制造有限公司 | Concrete pump truck and rotary table thereof |
| 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 |
| CN104843616A (en) * | 2015-04-17 | 2015-08-19 | 徐州徐工随车起重机有限公司 | Overhead working truck boom and control method for working radius of overhead working truck boom |
| CN205025109U (en) * | 2015-09-11 | 2016-02-10 | 北汽福田汽车股份有限公司 | Mobile concrete pump and revolving stage thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022105240A1 (en) | 2022-05-27 |
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