CN219548402U - Turntable assembly and engineering machinery - Google Patents
Turntable assembly and engineering machinery Download PDFInfo
- Publication number
- CN219548402U CN219548402U CN202321113414.6U CN202321113414U CN219548402U CN 219548402 U CN219548402 U CN 219548402U CN 202321113414 U CN202321113414 U CN 202321113414U CN 219548402 U CN219548402 U CN 219548402U
- Authority
- CN
- China
- Prior art keywords
- turntable
- plate
- arm support
- turntable assembly
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Specific Conveyance Elements (AREA)
Abstract
The utility model belongs to the field of engineering machinery, and discloses a turntable assembly and engineering machinery, wherein the turntable assembly comprises a turntable bottom plate, an arm support and a conveying pipe section, wherein the turntable bottom plate can rotate around a rotation central axis and is provided with a pipe penetrating hole, and the hole central axis of the pipe penetrating hole is overlapped with the rotation central axis; the arm support is arranged on the turntable bottom plate and is positioned at the radial outer side of the pipe penetrating hole; the conveying pipe section extends on the transverse outer wall surface of the arm support and downwards passes through the pipe penetrating hole. The turntable assembly and the engineering machinery can effectively reduce the arrangement difficulty of the conveying pipe, and are beneficial to improving the production efficiency.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a turntable assembly and engineering machinery.
Background
In industry, a turntable is one of important structural members forming engineering machinery with a rotation operation function, such as a concrete pump truck, and the turntable mainly adopts two structures, one is a plate structure, the other is a lattice structure, two vertical plates fixedly connected to a bottom plate are adopted as main stressed components for supporting an arm support, meanwhile, the two vertical plates are commonly arranged on two sides of a pipe penetrating hole distributed on the bottom plate, when a conveying pipe is arranged, one end of the conveying pipe needs to penetrate through one vertical plate to penetrate through the pipe penetrating hole, and more troublesome is that the two vertical plates often interfere the conveying pipe in the process of penetrating the conveying pipe into the pipe penetrating hole due to limited space between the two vertical plates, so that the arrangement difficulty of the conveying pipe is obviously increased.
Disclosure of Invention
Aiming at least one defect or deficiency in the prior art, the utility model provides a turntable assembly and engineering machinery, which can effectively reduce the arrangement difficulty of conveying pipes and improve the production efficiency.
To achieve the above object, in one aspect, the present utility model provides a turntable assembly comprising:
the turntable bottom plate can rotate around a rotation central axis and is provided with a pipe penetrating hole, and the hole central axis of the pipe penetrating hole is overlapped with the rotation central axis;
the arm support is arranged on the turntable bottom plate and positioned at the radial outer side of the pipe penetrating hole; and
and the conveying pipe section extends on the transverse outer wall surface of the arm support and downwards passes through the pipe penetrating hole.
Optionally, the conveying pipe section is arranged on a lateral outer wall surface of the arm support seat facing the pipe penetrating hole.
Optionally, the upper end and the lower end of the arm support are respectively an arm support connecting end and a bottom plate connecting end, and a first hinge hole which is used for hinging the amplitude variation mechanism and is close to the bottom plate connecting end is formed in a penetrating manner on the transverse outer wall surface of the arm support.
Optionally, the turntable soleplate comprises a circular plate part and a flange part, the flange part extends outwards from a local edge of the circular plate part, the bottom end part of the arm support is arranged beyond the edge of the circular plate part locally, and the exceeding part is connected with the flange part.
Optionally, the arm support comprises a first vertical plate and a second vertical plate which are transversely arranged at intervals, and the conveying pipe section extends on the transverse outer plate surface of the first vertical plate or the second vertical plate.
Optionally, the arm support includes setting up first riser with between the second riser and all with first riser, the second riser with revolving stage bottom plate fixed connection's baffle and shrouding.
Optionally, the turntable bottom plate is provided with a plurality of bottom plate locking holes which are arranged around the rotation central axis and can be aligned with the plurality of rotation support locking holes one by one, and the turntable assembly comprises a plurality of locking penetrating pieces which detachably penetrate through the bottom plate locking holes and the rotation support locking holes.
Optionally, a lateral outer wall surface of the bottom end part of the arm support is provided with an avoidance notch with a downward opening, and a connecting line of the plurality of bottom plate locking holes passes through the avoidance notch.
Optionally, the turntable assembly includes a plurality of coamings disposed on the turntable floor and fixedly connected to the boom support.
In another aspect, the present utility model provides a construction machine comprising the turntable assembly described above.
According to the turntable assembly, the cantilever support is integrally arranged on the radial outer side of the pipe penetrating hole, so that a wide operation space is reserved for the conveying pipe section to be connected into the pipe penetrating hole, interference of the cantilever support on the conveying pipe section is effectively avoided, pipe distribution difficulty is reduced, and production operation efficiency is improved.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
FIG. 1 is a schematic illustration of a turntable assembly according to an embodiment of the present utility model;
FIG. 2 is a schematic illustration of the other side of the turntable assembly of FIG. 1;
FIG. 3 is a schematic view of the other side of the turntable assembly of FIG. 2;
reference numerals illustrate:
101. turntable bottom plate 102 arm support
103. First riser of conveying pipe section 104
105. Second riser 106 partition
107. Bottom plate locking hole of closing plate 108
109. Round plate part of coaming 1011
1012. First hinge hole of flange 1021
1022. Second hinge hole 1023 avoidance slot
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the embodiments of the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" or "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the positional relationship of the various components with respect to one another in the vertical, vertical or gravitational directions.
The utility model will be described in detail below with reference to the drawings in connection with exemplary embodiments.
In the prior art, a turntable of engineering machinery such as a concrete pump truck is fixedly arranged on a slewing bearing through a bottom plate, so that slewing operation is realized, a support is arranged on the bottom plate, the top end part of the support is hinged with the arm root of an arm support, the bottom end part of the support is hinged with the lower end of an amplitude variation mechanism such as a telescopic oil cylinder, the upper end of the amplitude variation mechanism is hinged with the arm body of the arm support, and the pitching angle of the arm support can be adjusted through the telescopic action of the amplitude variation mechanism.
As shown in fig. 1 to 3, a first exemplary embodiment of the present utility model provides a turntable assembly including a turntable base plate 101, a boom support base 102, and a transport pipe section 103.
The turntable bottom plate 101 can rotate around a rotation central axis under the drive of the slewing bearing, and a through hole is formed in the turntable bottom plate 101, and the hole central axis of the through hole is overlapped with the rotation central axis. The arm support 102 is disposed on the turntable bottom plate 101 and is located radially outside the pipe penetrating hole, and it should be noted that the arm support 102 may be a plate structure, a lattice structure, or the like, which is not limited in this exemplary embodiment. The conveying pipe section 103 extends on the transverse outer wall surface of the arm support 102 and passes through the pipe penetrating hole downwards, that is to say, one end of the conveying pipe section 103 is sleeved on the pipe penetrating hole, and the other end of the conveying pipe section can be connected with other conveying pieces at the extending end.
Therefore, the turntable assembly of the present exemplary embodiment integrally sets the boom support 102 at the radial outer side of the pipe penetrating hole, so that a wide operating space is reserved for the conveying pipe section 103 to be connected into the pipe penetrating hole, interference of the boom support 102 to the conveying pipe section 103 is effectively avoided, pipe distribution difficulty is reduced, and production operation efficiency is improved.
In one embodiment, referring to fig. 1, the conveying pipe section 103 is disposed on a lateral outer wall surface of the boom support 102 facing the pipe penetrating hole, that is, after the main body of the conveying pipe section 103 is disposed on the lateral outer wall surface of the boom support 102, the conveying pipe section 103 can be directly abutted with the pipe penetrating hole located at one side of the boom support 102, so that interference of other components on the conveying pipe section 103 is effectively avoided.
Further, the upper end and the lower end of the boom support 102 are respectively a boom connecting end and a bottom plate connecting end, as the name implies, the boom support 102 is connected to the boom in the engineering machinery through the boom connecting end and is connected to the turntable bottom plate 101 through the bottom plate connecting end, the transverse outer wall surface of the boom support 102 is penetrated and formed with a first hinge hole 1021 for hinging the luffing mechanism and being arranged close to the bottom plate connecting end, and it is to be noted that the luffing mechanism is usually arranged in the boom support 102, that is, by arranging the conveying pipe section 103 on the transverse outer wall surface of the boom support 102 facing the pipe penetrating hole, the luffing mechanism and the conveying pipe section 103 can be mutually noninterfered, so that the first hinge hole 1021 can be flexibly arranged according to design requirements, and the universality of the turntable assembly of the exemplary embodiment is enhanced. In addition, in order to achieve the hinge with the boom, a second hinge hole 1022 for hinge the boom is formed through a lateral outer wall surface of the boom connecting end of the boom support 102.
In other embodiments, the conveying pipe section 103 may also be disposed on the lateral outer wall surface of the other side of the boom support 102, at this time, the boom support 102 is further formed with a support penetrating groove through which the conveying pipe section 103 may pass, when the conveying pipe section 103 is disposed on the lateral outer wall surface of the other side of the boom support 102, one end of the conveying pipe section 103 may sequentially pass through the support penetrating groove and the pipe penetrating hole, and since the boom support 102 is located radially outside the pipe penetrating hole, when one end of the conveying pipe section 103 passes through the support penetrating groove, enough space may be available for plugging into the pipe penetrating hole, thereby effectively avoiding interference of the boom support 102 on the conveying pipe section 103 and reducing pipe distribution difficulty.
Because the arm support 102 is disposed radially outside the pipe penetrating hole, the arm support 102 is further deviated from the center of the turntable bottom plate 101, that is, is closer to the edge position of the turntable bottom plate 101, in order to enable the arm support 102 to be effectively connected to the turntable bottom plate 101, the turntable bottom plate 101 includes a circular plate portion 1011 and a flange portion 1012, and the flange portion 1012 extends radially outwards from a partial edge of the circular plate portion 1011, thereby increasing the practical area of the turntable bottom plate 101, and the bottom end portion of the arm support 102 is partially disposed beyond the edge of the circular plate portion 1011 and the excess portion is connected to the flange portion 1012, thereby realizing effective connection of the arm support 102 and the turntable bottom plate 101.
In one embodiment, the boom support 102 includes a first riser panel 104 and a second riser panel 105 arranged in a laterally spaced apart relationship, with the conveying pipe section 103 extending on a laterally outer panel surface of the first riser panel 104 or the second riser panel 105. In this embodiment, the first vertical plate 104 and the second vertical plate 105 may be fixedly connected to the turntable bottom plate 101 by adopting a welding manner or the like, and in the whole, the first vertical plate 104 and the second vertical plate 105 are arranged at intervals as main stress supporting members, so that the whole structure of the arm support 102 can be simplified, and the process for preparing the first vertical plate 104 and the second vertical plate 105 is simpler, which is beneficial to saving the production cost.
After the first vertical plate 104 and the second vertical plate 105 are fixedly connected to the turntable bottom plate 101, in order to further reinforce the first vertical plate 104 and the second vertical plate 105, the boom support 102 further comprises a partition plate 106 and a sealing plate 107 which are arranged between the first vertical plate 104 and the second vertical plate 105 and are fixedly connected with the first vertical plate 104, the second vertical plate 105 and the turntable bottom plate 101, specifically, the partition plate 106 is arranged at the bottom end of the boom support 102 and is vertically connected to the turntable bottom plate 101, and the sealing plate 107 extends from the bottom end of the boom support 102 to the top end, so that the structure of the first vertical plate 104 and the second vertical plate 105 is optimized, the stress of the integral structure can be eliminated, the risks of deformation, fracture and the like of the first vertical plate 104 and the second vertical plate 105 under load stress are effectively avoided, and the stability of the boom support 102 is improved.
In order to enable the slewing bearing to stably drive the turntable bottom plate 101 to rotate, the turntable bottom plate 101 is provided with a plurality of bottom plate locking holes 108 which are arranged around a rotation central axis and can be aligned with the plurality of slewing bearing locking holes one by one, the turntable assembly further comprises a plurality of locking penetrating members which detachably penetrate the bottom plate locking holes 108 and the slewing bearing locking holes, specifically, the bottom plate locking holes 108 and the slewing bearing locking holes can be threaded holes with the same size, and the locking penetrating members can be bolt assemblies corresponding to the threaded holes.
Further, a lateral outer wall surface of the bottom end portion of the arm support 102 is formed with a downward opening escape slot 1023, and a line connecting the plurality of bottom plate locking holes 108 passes through the escape slot 1023, thereby providing a sufficient installation operation space for the partially locking penetrating member.
In order to enhance the connection strength between the boom support 102 and the turntable bottom plate 101, referring to fig. 1, the turntable assembly includes a plurality of coamings 109 disposed on the turntable bottom plate 101 and fixedly connected to the boom support 102, and the coamings 109 can play a role in supporting the boom support 102, so that the stability of the boom support 102 can be improved, and the load capacity of the boom support 102 can be improved.
A second exemplary embodiment of the present utility model provides a construction machine including the above-mentioned turntable assembly, and it is apparent that the construction machine has all technical effects brought by the turntable assembly, so that a detailed description thereof will not be repeated herein.
The foregoing details of the optional implementation of the embodiment of the present utility model have been described in detail with reference to the accompanying drawings, but the embodiment of the present utility model is not limited to the specific details of the foregoing implementation, and various simple modifications may be made to the technical solution of the embodiment of the present utility model within the scope of the technical concept of the embodiment of the present utility model, and these simple modifications all fall within the protection scope of the embodiment of the present utility model.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
In addition, any combination of various embodiments of the present utility model may be performed, so long as the concept of the embodiments of the present utility model is not violated, and the disclosure of the embodiments of the present utility model should also be considered.
Claims (10)
1. A turntable assembly, the turntable assembly comprising:
the turntable bottom plate (101) can rotate around a rotation central axis and is provided with a perforating hole, and the hole central axis of the perforating hole is overlapped with the rotation central axis;
the arm support (102) is arranged on the turntable bottom plate (101) and is positioned on the radial outer side of the pipe penetrating hole; and
and the conveying pipe section (103) extends on the transverse outer wall surface of the arm support seat (102) and downwards passes through the pipe penetrating hole.
2. Turntable assembly according to claim 1, wherein the conveying pipe section (103) is arranged on a lateral outer wall surface of the boom support saddle (102) facing the pipe penetration hole.
3. A turntable assembly according to claim 2, wherein the upper and lower ends of the arm support (102) are an arm support connecting end and a base plate connecting end, respectively, and a first hinge hole (1021) for hinging the luffing mechanism and arranged close to the base plate connecting end is formed through the transverse outer wall surface of the arm support (102).
4. Turntable assembly according to claim 1, wherein the turntable soleplate (101) comprises a circular plate portion (1011) and a flange portion (1012), the flange portion (1012) extending radially outwards from a partial edge of the circular plate portion (1011), the bottom end portion of the arm support (102) being arranged partially beyond the edge of the circular plate portion (1011) and the excess portion being connected to the flange portion (1012).
5. Turntable assembly according to claim 1, characterized in that the boom support base (102) comprises a first riser plate (104) and a second riser plate (105) arranged laterally spaced apart, the conveying pipe section (103) extending on a laterally outer plate surface of the first riser plate (104) or the second riser plate (105).
6. Turntable assembly according to claim 5, characterized in that the boom support (102) comprises a partition (106) and a closing plate (107) arranged between the first riser (104) and the second riser (105) and fixedly connected to the first riser (104), the second riser (105) and the turntable bottom plate (101).
7. Turntable assembly according to claim 1, wherein the turntable floor (101) is provided with a plurality of floor locking holes (108) arranged around the swivel central axis and being capable of one-to-one alignment with a plurality of swivel support locking holes, the turntable assembly comprising a plurality of locking penetrations detachably penetrating the floor locking holes (108) and the swivel support locking holes.
8. A turntable assembly according to claim 7, wherein the arm support (102) is formed with a bottom end portion lateral outer wall surface having a escape notch (1023) opened downward, and a line connecting a plurality of the floor locking holes (108) passes through the escape notch (1023).
9. A turret assembly according to claim 1, characterized in that it comprises a plurality of coamings (109) provided on the turret base plate (101) and fixedly connected to the arm support (102).
10. A working machine, characterized in that it comprises a turntable assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113414.6U CN219548402U (en) | 2023-05-10 | 2023-05-10 | Turntable assembly and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113414.6U CN219548402U (en) | 2023-05-10 | 2023-05-10 | Turntable assembly and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219548402U true CN219548402U (en) | 2023-08-18 |
Family
ID=87703857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321113414.6U Active CN219548402U (en) | 2023-05-10 | 2023-05-10 | Turntable assembly and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219548402U (en) |
-
2023
- 2023-05-10 CN CN202321113414.6U patent/CN219548402U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219548402U (en) | Turntable assembly and engineering machinery | |
| CN203767844U (en) | Counterweight lifting tool | |
| CN211733671U (en) | Bearing structure and hoisting equipment | |
| CN219689087U (en) | Hoisting device with self-balancing adjusting function for nuclear power steam generator | |
| CN107719583B (en) | Equipment base and manhole cover combined device convenient to disassemble and examine | |
| CN214169131U (en) | Split type basic template for large container | |
| CN113233346B (en) | Slewing assembly, upper support of slewing assembly, slewing assembly component and tower crane | |
| CN202248921U (en) | Pumper | |
| CN102505852A (en) | Pump truck | |
| CN111204667A (en) | Crawler crane chassis and crawler crane | |
| CN109534182B (en) | Movable fast assembling crane | |
| CN113247787B (en) | Rotary upper support and swing arm type tower crane | |
| CN218371171U (en) | Split combined type lifting appliance for lifting elevator shaft | |
| CN220317208U (en) | Split type tower crane rotary support base box structure | |
| CN212387602U (en) | Small-sized assembled hoisting tool | |
| CN115650086A (en) | Rotary platform | |
| CN219005898U (en) | Turntable preassembling tool | |
| CN220537373U (en) | Combined top joint arm | |
| CN218453915U (en) | Porous steel pipe anti-twisting anti-retreating buckling device for pin hole connection | |
| CN220723387U (en) | Base and working machine | |
| CN211712496U (en) | Crawler crane chassis and crawler crane | |
| CN220317209U (en) | Layered tower crane rotary support base box structure | |
| CN213171227U (en) | Crane cantilever convenient to disassemble and assemble | |
| CN215573772U (en) | Three-section opening-closing type supporting device for large solid engine test | |
| CN214272970U (en) | Turntable device and working machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |