CN215673238U - Mounting flange plate and oil distribution shaft inclined hole screw assembling structure of rotary joint - Google Patents

Mounting flange plate and oil distribution shaft inclined hole screw assembling structure of rotary joint Download PDF

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Publication number
CN215673238U
CN215673238U CN202121459598.2U CN202121459598U CN215673238U CN 215673238 U CN215673238 U CN 215673238U CN 202121459598 U CN202121459598 U CN 202121459598U CN 215673238 U CN215673238 U CN 215673238U
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China
Prior art keywords
flange plate
oil distribution
conical surface
mounting flange
distribution shaft
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CN202121459598.2U
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Chinese (zh)
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范守东
谢胜林
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Yulin Fushan Hydraulic Components Manufacturing Co ltd
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Yulin Fushan Hydraulic Components Manufacturing Co ltd
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Abstract

The utility model discloses a mounting flange plate and oil distribution shaft inclined hole screw assembling structure of a rotary joint, which comprises an oil distribution shaft, a mounting flange plate and a screw; the oil distribution shaft is provided with an outer conical surface with a certain taper angle and a certain number of screw holes perpendicular to the outer conical surface, the mounting flange plate is provided with an inner conical surface with the taper angle consistent with the taper angle of the outer conical surface processed on the oil distribution shaft and through holes perpendicular to the inner conical surface with the position size and the number consistent with the screw holes on the oil distribution shaft, when the mounting flange plate is assembled, the outer conical surface on the oil distribution shaft is contacted and attached with the inner conical surface on the mounting flange plate, and the mounting flange plate is fastened on the oil distribution shaft, so that a firm and reliable integral structure is formed. The mounting flange plate is sleeved into the outer conical surface from the diameter of the outer conical surface, the outer conical surface is attached to the inner conical surface, then screws are installed into the screw holes, and the mounting flange plate is fixed on the outer conical surface of the taper angle. In the structure, the assembly positioning is accurate, the maintenance is convenient, and the cost is reduced.

Description

Mounting flange plate and oil distribution shaft inclined hole screw assembling structure of rotary joint
Technical Field
The utility model belongs to the field of engineering machinery, and particularly relates to a screw assembling structure for an installation flange plate and an inclined hole of an oil distribution shaft of a rotary joint.
Background
At present, when an installation flange plate of a rotary joint complete machine of an engineering machine is positioned on an oil distribution shaft (namely the installation flange plate and the oil distribution shaft are integrated), the structure of the installation flange plate is generally a welding structure, secondary clamping and accurate grinding are required to be carried out on the outer circle surface of the welded oil distribution shaft according to the process flow, when the size of the installation flange plate is large, the rotary diameter is large, the specification size and the clamping space of processing equipment are limited, the installation flange plate is easy to interfere with clamping and equipment, accurate grinding cannot be carried out, the processing technology cannot be realized, and therefore when the installation size of the rotary joint is large, the welding structure is not suitable; and novel structure, accomplish all processing technology flows alone to mounting flange board and oil distribution shaft, consequently when joining in marriage the fine grinding of oil shaft excircle surface, the gyration diameter is little, it is low to processing equipment size and clamping space requirement, the equipment cost is reduced, mounting flange board and oil distribution shaft accomplish all processing technology flows after, fasten as whole through the screw assembly, moreover, the steam generator is simple in structure, it is compact reliable, the technology flow is relatively simple, easily optimize, the high easy quality control of machining precision, the assembly is simple, the assembly positioning is accurate, the later maintenance is simple, and the cost reduction. In addition, welding defects such as slag inclusion, air holes, cracks, thermal deformation and the like exist in a welding structure, and scrapping loss is caused when the welding structure is serious; the welding process has large limitation on the range of selectable materials, influences other subsequent processing processes, and is not beneficial to formulation and optimization of the production process, and secondary clamping after welding is also not beneficial to quality control of processing precision.
Reference 1, application No.: CN201710379561, inventive name: a device for radially and synchronously expanding rotors, comprising: a central shaft for supporting and rotating with the rotating parts to transfer motion, torque or bending moment; the rotary body is used for processing parts or parts synchronously rotating with the central shaft; the expansion mechanism is used for radial synchronous expansion of the revolving body; the rotating frame is used for connecting the central shaft with the expansion mechanism and axially limiting the revolving body; the locating sleeve is arranged between the rotating frame and the central shaft and used for ensuring that the rotating frame and the central shaft have higher coaxiality. After the revolving body is arranged on the expansion mechanism, the expansion screw is screwed down to drive the expansion sleeve to move axially, so that the wedge blocks are close to or far away from the center at the same time, and the automatic centering can be realized because the conical surfaces of the wedge blocks have the same taper and are in close contact with the conical surfaces of the expansion sleeve, the radial movement distances of all the wedge blocks are equal, the synchronous expansion effect of the revolving body is finally achieved, and the revolving body and the central shaft are ensured to have higher coaxiality.
Reference 2, application No.: CN201910447955, invention name: a screw assembling tool based on a pneumatic sliding ring structure is characterized in that a fixed shaft with an annular mounting boss is sleeved outside a rotating shaft, one end of a rotating ring is sleeved outside the annular mounting boss, the other end of the rotating ring is sleeved outside the rotating shaft, a fixed ring is sleeved outside the rotating ring and connected with a first flange plate, the first flange plate is connected with the annular mounting boss, the rotating ring and the fixed ring are attached to a limiting ring, and the limiting ring is fixed outside the annular mounting boss; the flange plate II is connected with the rotating ring and the flange plate III, and the cylinder is connected with the rotating shaft through the flange plate III; the fixed ring is provided with an air inlet through hole, the rotating ring is provided with an annular groove, an air passage and an air outlet through hole, the air inlet pipe is communicated with the corresponding air inlet through hole, the annular groove, the air passage and the air outlet through hole, the air outlet through hole is communicated with the corresponding air outlet pipe, and the air outlet pipe is communicated with the air cylinder. The structural features of the comparison documents 1, 2 are different from those of the present patent application.
Disclosure of Invention
The utility model mainly aims to solve the problem that a secondary clamping and fine grinding process after welding with an oil distribution shaft cannot be implemented due to the limitation of a processing equipment clamping space when a mounting flange plate of a rotary joint is large, wherein the mounting flange plate 2 is sleeved into an outer conical surface b from the diameter D of an outer circular surface, the outer conical surface b is attached to an inner conical surface a, and then a screw 3 is arranged into a screw hole D to fix the mounting flange plate 2 on the outer conical surface b with a taper angle theta. The mounting flange plate and oil distribution shaft inclined hole screw assembling structure of the swivel joint is simple in structure, compact and reliable, low in requirements on the size of corresponding equipment specifications and clamping space, easy to control precision and quality, beneficial to formulation and improvement of a machining process, simple to assemble, accurate in assembling and positioning, convenient to maintain and low in production cost.
The technical scheme adopted for achieving the purpose is as follows: a mounting flange plate and oil distribution shaft inclined hole screw assembling structure of a rotary joint comprises an oil distribution shaft, a mounting flange plate, a screw, an outer conical surface, an inner conical surface, a screw hole, a through hole, a taper angle, an outer conical surface diameter, a first maximum rotary diameter D1, a second maximum rotary diameter D2, a first clamping space M and a second clamping space N, it is characterized in that the oil distribution shaft 1 has a large column diameter, a small diameter is the diameter D0 of the outer circular surface, a large diameter is the first maximum revolution diameter D1, the outer diameter of the mounting flange plate 2 is the second maximum revolution diameter D2, an outer circular conical surface b is arranged between the connection of the upper cylindrical surface and the lower cylindrical surface of the oil distribution shaft 1, the mounting flange plate 2 is attached to an inner conical surface a of the mounting flange plate 2, the oil distribution shaft 1 is large in diameter and provided with a taper angle theta, the outer conical surface b is provided with a screw hole D, the screw 3 penetrates through the through hole c and the screw hole D of the mounting flange plate 2 to fix the mounting flange plate 2 on the outer conical surface b, and the mounting flange plate 2 is sleeved into the outer conical surface b from the diameter D0 of the outer conical surface.
The oil distribution shaft 1 is provided with an outer conical surface b with a certain taper angle theta and a certain number of screw holes D perpendicular to the outer conical surface b, a first clamping space M required by the oil distribution shaft when the diameter of the outer conical surface D0 is finely ground, a second clamping space N required by the oil distribution shaft 1 and the mounting flange plate 2 when the diameter of the outer conical surface D0 is finely ground after the oil distribution shaft 1 and the mounting flange plate 2 are welded into a whole, and the oil distribution shaft 1 is used for finely grinding the diameter D0 of the outer conical surface and the first maximum rotation diameter D1 of the oil distribution shaft 1.
The mounting flange plate 2 is provided with an inner conical surface a which has the same taper angle with the outer conical surface b processed on the oil distribution shaft 1 and through holes c which are matched with screw holes D on the oil distribution shaft 1 and are vertical to the inner conical surface a in position size and quantity, and the diagonal outer diameter of the mounting flange plate 2 is the second maximum rotation diameter D2.
Swivel joint oil distribution shaft first maximum swivel diameter D1 mounting flange plate 2 diagonal second maximum swivel diameter D2.
During assembly, the outer conical surface b on the oil distribution shaft 1 is in contact, attached and positioned with the inner conical surface a on the mounting flange plate 2, the screw 3 is screwed into the screw hole d on the oil distribution shaft 1 through the through hole c on the mounting flange plate 2 and is screwed, and the mounting flange plate 2 is fastened on the oil distribution shaft 1 to form an integral structure.
Compared with the prior art, the utility model independently completes all processing technological processes for the mounting flange plate and the oil distribution shaft, has small rotation diameter when the outer circle surface of the oil distribution shaft is finely ground, has low requirements on the size of processing equipment and clamping space, reduces the equipment cost, is assembled and fastened into a whole through screws after completing all the processing technological processes for the mounting flange plate and the oil distribution shaft, has simple structure, compactness and reliability, relatively simple technological process, does not need welding, has no limitation on the material range of the mounting flange plate and the oil distribution shaft by the welding technological requirements, is beneficial to the optimization of the technological process, has high processing precision, is easy to control the quality, is simple to assemble, is accurate in assembly and positioning, is simple in later maintenance and reduces the cost.
Drawings
Fig. 1 is an assembly front sectional view of an assembly structure of a mounting flange plate and an oil distribution shaft inclined hole screw of a rotary joint according to the present invention.
Fig. 2 is a perspective view of a 3D part of a mounting flange plate of a swivel joint and a mounting flange plate of an oil distribution shaft inclined hole screw assembly structure of the present invention.
Fig. 3 is a schematic 3D assembly perspective view of an oil distribution shaft of an assembly structure of a mounting flange plate and an inclined hole screw of the oil distribution shaft of a rotary joint according to the present invention.
FIG. 4 is a schematic perspective sectional view of an oil distribution shaft assembly of an assembly structure of a mounting flange plate and an inclined hole screw of the oil distribution shaft of a swivel joint according to the present invention.
Fig. 5 is a front view schematically illustrating an installation flange plate of a rotary joint and an oil distribution shaft inclined hole screw assembly structure according to the present invention.
FIG. 6 is a schematic cross-sectional view B-B of FIG. 5 illustrating the assembly of a mounting flange plate and an oil distribution shaft inclined hole screw of a swivel joint according to the present invention.
Fig. 7 is a schematic front view of an oil distribution shaft of a mounting flange plate and oil distribution shaft inclined hole screw assembly structure of a rotary joint according to the present invention.
Fig. 8 is a schematic sectional view a-a of fig. 7 illustrating the assembly of a mounting flange plate and an oil distribution shaft inclined hole screw of a rotary joint according to the present invention.
Fig. 9 is a schematic perspective view of a first clamping space M required for accurately grinding the outer circular surface diameter D0 of the oil distribution shaft by the single pair of oil distribution shaft inclined hole screw assembling structure of the mounting flange plate and the oil distribution shaft of the swivel joint according to the present invention.
Fig. 10 is a schematic perspective view of a second clamping space N required for fine grinding of the outer circular surface diameter D0 after the mounting flange plate and the oil distribution shaft inclined hole screw assembly structure of the rotary joint of the present invention are welded into a whole.
Reference numerals: the clamping device comprises an oil distribution shaft 1, a mounting flange plate 2, a screw 3, an outer conical surface b, an inner conical surface a, a screw hole D, a through hole c, a taper angle theta, an outer conical surface diameter D0, a first maximum rotation diameter D1, a second maximum rotation diameter D2, a first clamping space M and a second clamping space N.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
example 1:
flow 1, carry out lathe work to joining in marriage oil shaft blank, main processing content is: the first maximum revolution diameter D1 of the oil distribution shaft, the diameter D0 of the outer circular surface, the outer circular conical surface b, the cone angle theta and the like;
a process 2, which is continued to the process 1 in the embodiment 1, is performed with drilling and tapping processes, and the main processing contents are screw holes d and the like;
step 3, continuing to step 2 in the embodiment 1, selecting grinding machine equipment meeting the clamping space M required by the first maximum rotation diameter D1 of the oil distribution shaft, and performing fine grinding processing on the outer circular surface diameter D0;
and 4, checking and finishing processing.
Example 2:
the method comprises the following steps that 1, blanking processing is carried out on an installation flange plate, and an appearance blank meeting the drawing size requirement is obtained;
flow 2, which is continued to flow 1 in example 2, is turned (or a machining mode meeting the requirements), and the main machining contents are as follows: an inner conical surface a and the like;
flow 3, which is continued to flow 2 in example 2, is performed with drilling (or a processing manner meeting the requirements), and the main processing contents are: through holes c, etc.;
and 4, checking and finishing processing.
Example 3:
step 1, attaching an outer conical surface b of a machined oil distribution shaft to an inner conical surface a of a machined installation flange plate, and accurately self-positioning through the conical surfaces;
step 2, adjusting to enable the screw hole d on the oil distribution shaft to be aligned with the through hole c on the mounting flange plate and to be in the correct position required by the assembly drawing;
step 3, screwing a certain number of screws 3 required for assembly into screw holes d on the oil distribution shaft through holes c on the mounting flange plate, installing the torque requirement according to the assembly specification, screwing the screws, and fastening the oil distribution shaft on the mounting flange plate;
and 4, checking and finishing assembly.
In the above embodiment, the oil distribution shaft completes all processing technological processes independently, so when the outer circle surface of the oil distribution shaft is finely ground, the rotation diameter is small, the requirements on the size of processing equipment and clamping space are low, the equipment cost is reduced, after the installation of the flange plate and the oil distribution shaft completes all the processing technological processes, the flange plate and the oil distribution shaft are assembled and fastened into a whole through screws, a welding integrated structure process is cancelled, the structure is simple, the structure is compact and reliable, the technological process is relatively simple, the material range of the installation of the flange plate and the oil distribution shaft is not limited by the welding technological requirements, the process is favorable for optimization, the processing precision is high, the quality is easy to control, the assembly is simple, the assembly and the positioning are accurate, the later maintenance is simple, and the cost is reduced.
Embodiment 4, the structure of the present invention is configured as follows: the oil distribution shaft 1 is cylindrical with a large diameter and a small diameter, the waist part of the oil distribution shaft is externally conical, an flange plate 2 is arranged on the conical surface, and the oil distribution shaft is fastened by a screw 3. The outer diameter of the oil distribution shaft 1 is a first maximum rotation diameter D1, the mounting flange plate 2 is a second maximum rotation diameter D2, and the periphery of the mounting flange plate 2 is a first clamping space M. The diameter D0 of the outer circular surface is regarded as to the little cylinder in the oil distribution axle 1 top, and outer circular surface diameter D0 is second clamping space N. The small diameter of the upper part of the oil distribution shaft 1 is the diameter D0 of the outer circular surface, and the large diameter of the lower part of the oil distribution shaft 1 is the first maximum revolution diameter D1. When the mounting flange plate 2 is mounted and used, the outer conical surface b is sleeved in the mounting flange plate 2 from the diameter D of the outer conical surface, the outer conical surface b is attached to the inner conical surface a, then the mounting flange plate 2 is mounted into the screw hole D through the screw 3, and the mounting flange plate 2 is fixed on the outer conical surface b at the taper angle theta.

Claims (5)

1. A mounting flange plate and an oil distribution shaft inclined hole screw assembling structure of a rotary joint comprises an oil distribution shaft, a mounting flange plate, a screw, an outer conical surface, an inner conical surface, a screw hole, a through hole, a taper angle, an outer conical surface diameter, a first maximum rotary diameter D1, a second maximum rotary diameter D2, a first clamping space M and a second clamping space N, and is characterized in that the oil distribution shaft (1) is large and small in column diameter, the small is the outer conical surface diameter (D0), the large is the first maximum rotary diameter (D1), the outer diameter of the mounting flange plate (2) is the second maximum rotary diameter (D2), an outer conical surface (b) is arranged between the upper cylindrical surface and the lower cylindrical surface of the oil distribution shaft (1) in a joint mode and is attached to the inner conical surface (a) of the mounting flange plate (2), the taper angle (theta) is arranged on the large diameter of the oil distribution shaft (1), the outer conical surface (b) is provided with the screw hole (D), and the screw (3) penetrates through the through hole (c) and the screw hole (D) of the mounting flange plate (2) to fix the mounting flange plate (2) On the surface (b), the mounting flange plate (2) is sleeved into the outer conical surface (b) from the diameter (D0) of the outer conical surface.
2. The mounting flange plate and oil distribution shaft inclined hole screw assembling structure of the rotary joint as claimed in claim 1, characterized in that the oil distribution shaft (1) is provided with an outer conical surface (b) with a certain taper angle (θ) and a certain number of screw holes (D) perpendicular to the outer conical surface (b), a first clamping space (M) is required for fine grinding of the diameter (D0) of the outer conical surface of the oil distribution shaft, a second clamping space (N) is required for fine grinding of the diameter (D0) of the outer conical surface after the oil distribution shaft (1) and the mounting flange plate (2) are welded into a whole, and the diameter (D0) of the outer conical surface and the first maximum rotary diameter (D1) of the oil distribution shaft (1) are finely ground by the oil distribution shaft (1).
3. The mounting flange plate and oil distribution shaft inclined hole screw assembling structure of the rotary joint according to claim 1, characterized in that the mounting flange plate (2) is provided with an inner conical surface (a) which is consistent with the taper angle of the outer conical surface (b) processed on the oil distribution shaft (1) and through holes (c) which are perpendicular to the inner conical surface (a) and are consistent with the position size and the number of the screw holes (D) on the oil distribution shaft (1), and the diagonal outer diameter of the mounting flange plate (2) is the second largest rotary diameter (D2).
4. A mounting flange plate and oil distribution shaft inclined hole screw assembling structure of a rotary joint as claimed in claim 1, characterized in that the rotary joint oil distribution shaft has a first maximum rotary diameter (D1) and a second maximum rotary diameter (D2) diagonally opposite to the mounting flange plate (2).
5. The mounting flange plate and oil distribution shaft inclined hole screw assembling structure of the rotary joint according to claim 1, characterized in that an outer conical surface (b) on the oil distribution shaft (1) is contacted, attached and positioned with an inner conical surface (a) on the mounting flange plate (2) during assembling, the screw (3) is screwed into a screw hole (d) on the oil distribution shaft (1) through a through hole (c) on the mounting flange plate (2) and is screwed, and the mounting flange plate (2) is fastened on the oil distribution shaft (1) to form an integral structure.
CN202121459598.2U 2021-06-30 2021-06-30 Mounting flange plate and oil distribution shaft inclined hole screw assembling structure of rotary joint Active CN215673238U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121459598.2U CN215673238U (en) 2021-06-30 2021-06-30 Mounting flange plate and oil distribution shaft inclined hole screw assembling structure of rotary joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121459598.2U CN215673238U (en) 2021-06-30 2021-06-30 Mounting flange plate and oil distribution shaft inclined hole screw assembling structure of rotary joint

Publications (1)

Publication Number Publication Date
CN215673238U true CN215673238U (en) 2022-01-28

Family

ID=79977666

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121459598.2U Active CN215673238U (en) 2021-06-30 2021-06-30 Mounting flange plate and oil distribution shaft inclined hole screw assembling structure of rotary joint

Country Status (1)

Country Link
CN (1) CN215673238U (en)

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