Novel intelligent crane pipe rotating joint

Abstract

The utility model relates to the technical field of crane tubes, and particularly discloses a novel intelligent crane tube rotary joint which comprises an outer ring, a worm shell and an inner ring, the worm shell is arranged on the peripheral side of the outer ring, the worm shell and the outer ring are integrated, the inner ring is arranged in the outer ring, the inner ring and the outer ring are concentrically arranged, one end of the outer ring is connected with a second flange plate, and the other end of the outer ring is connected with a third flange plate. One end of the inner ring is connected with a first flange plate, a worm gear is machined on the peripheral side of the middle of the inner ring, a worm is installed in the worm shell, and the worm is connected with the worm gear in a meshed mode. The novel rotary joint adopts an integral structure which is integrated with the worm gear and the worm, so that the traditional mounting mode of fixing the worm gear and welding the bracket and the worm by screws is cancelled, the assembly steps are reduced, and the production efficiency is improved by about 15-20%; as the assembly tolerance and the number of parts are reduced, the product quality is more stable, the rotating precision is higher, meanwhile, the structure is compact, portable and small, and the intelligent crane pipe is more attractive when used.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane pipe technical field, concretely is a novel intelligent crane pipe swivel joint. BACKGROUND

[0002] In liquid loading and unloading operation, the intelligent crane pipe swivel joint is one of the key components, and is widely used in chemical industry, petroleum and liquid transportation fields. The device not only bears the connection and support function of fluid delivery, but also needs to have high precision, stability and intelligent control ability. However, the existing intelligent crane pipe swivel joint still has many technical problems and deficiencies in practical application,

[0003] In the prior art, the traditional structure of the crane pipe swivel joint usually adopts the installation of the whole worm gear on the outer diameter of the swivel joint flange cover, and is fixed through screws, and at the same time, the worm is installed through the welding bracket beside the swivel joint to realize the cooperation of the worm gear and the worm. This design has the following problems and deficiencies:

[0004] ① Complex structure: the traditional installation method needs multiple components combination, and the assembly and maintenance are relatively cumbersome.

[0005] ② Heavy weight: due to the adoption of multi-component connection, the overall weight is heavy, which is not conducive to lightweight design.

[0006] ③ Limited precision: the screw connection method may cause slight displacement at the connection, thereby affecting the rotation precision.

[0007] ④ Limited applicability: the existing structure has poor adaptability in automation application, and it is difficult to meet the intelligent requirements.

[0008] In order to solve the above problems, the utility model provides a novel intelligent crane pipe swivel joint. Utility model content

[0009] The utility model aims at the defects of the prior art, and provides a novel intelligent crane pipe swivel joint to solve the problems in the background art.

[0010] In order to achieve the above purpose, the utility model provides the following technical scheme: a novel intelligent crane pipe swivel joint, which comprises an outer ring, a worm housing and an inner ring, the worm housing is arranged on the circumferential side of the outer ring, the worm housing and the outer ring are integrated, the inner ring is arranged in the inner part of the outer ring, the inner ring and the outer ring are arranged in a concentric manner, one end of the outer ring is connected with a second flange plate, one end of the inner ring is connected with a first flange plate, a worm gear is machined on the outer circumferential side of the middle part of the inner ring, a worm is arranged in the inner part of the worm housing, the worm is connected with the worm gear in a meshing manner, two semicircular steel ball grooves A and an O-shaped ring are arranged on the inner ring.

[0011] The inner wall of the outer ring is provided with two semicircular steel ball grooves B, and when the outer ring is sleeved on the inner ring, the two semicircular steel ball grooves B and the two semicircular steel ball grooves A are fitted to form two steel ball raceways for storing steel balls, and the inner ring rotates relative to the outer ring through the steel balls;

[0012] One end of the worm housing is provided with a motor for driving the worm to rotate, and the other end of the worm housing is provided with a bearing.

[0013] As a preferred technical scheme of the utility model, the output shaft of the motor is connected with the worm through a shaft coupling, and one end of the worm is connected with the bearing.

[0014] As a preferred technical scheme of the utility model, a sealing gasket is arranged between the second flange plate at the top of the outer ring and the third flange plate welded on the pipeline, and the second flange plate and the third flange plate are connected through bolt fixing.

[0015] As a preferred technical scheme of the utility model, the O-shaped ring arranged on the inner ring is fitted with the inner wall of the outer ring, and the O-shaped ring is arranged on both sides of the semicircular steel ball groove A and used for preventing dust from entering the steel ball raceway.

[0016] As a preferred technical scheme of the utility model, two steel ball insertion holes are arranged on the outer wall of the outer ring, the steel ball insertion holes are communicated with the steel ball raceway, the steel ball insertion holes are used for putting the steel balls into the steel ball raceway through the steel ball insertion holes, the steel ball insertion holes are threaded holes, bolts are threadedly connected on the steel ball insertion holes and used for preventing the steel balls in the steel ball raceway from being discharged from the steel ball insertion holes.

[0017] As a preferred technical scheme of the utility model, the motor is electrically connected with the PLC control box, and the outer ring and the worm housing are integrally formed through die casting.

[0018] As a preferred technical scheme of the utility model, the outer ring and the second flange plate are integrated, and the inner ring and the first flange plate are integrated, and all are integrally formed through die forging.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] ①Production efficiency and quality are improved, and assembly process is simplified: the whole structure is adopted in the rotary joint, the installation mode of the traditional screw fixed worm and the welded support worm is cancelled, the assembly steps are reduced, the production efficiency is improved by about 15%-20%, and the production efficiency is improved.

[0021] Improve product consistency: due to the reduction of assembly tolerance and the number of parts, the quality of the product is more stable, and the rotation precision is higher.

[0022] ②Rotary precision and running stability are improved, higher rotary precision: through optimizing the internal structure of the rotary joint, the matching precision of the worm and the worm gear is higher, so that the rotary precision is improved, and the high-precision operation demand can be met;

[0023] ③Weight reduction, energy and raw material saving, and weight reduction of integral design: the screw and the external support worm are cancelled; the structure is compact, light, small and beautiful, and is more beautiful when used on the intelligent crane pipe.

[0024] ④Suitable for intelligent system, improve the degree of automation; strong compatibility: the rotary joint can realize automatic control without additional modification, and the industrial automation level is improved.

[0025] ⑤Convenient maintenance, reduce operation and maintenance cost: the intelligent rotary joint is connected with flanges at two ends, easy to disassemble and replace, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of the utility model;

[0027] Figure 2 is a structural schematic view of the utility model;

[0028] Figure 3 is a structural schematic view of the utility model;

[0029] Figure 4 is a structural schematic view of the utility model;

[0030] Figure 5 is a structural schematic view of the utility model;

[0031] Figure 6 is a structural schematic view of the utility model.

[0032] In the figure: 1, outer ring; 2, worm housing; 3, inner ring; 4, first flange plate; 5, second flange plate; 6, sealing gasket; 7, bearing; 8, third flange plate; 9, motor; 10, steel ball insertion hole; 11, steel ball; 31, worm; 32, worm gear; 33, O-ring; 34, semicircular steel ball groove A; 35, semicircular steel ball groove B. DETAILED DESCRIPTION

[0033] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is more clearly and explicitly defined.

[0034] Embodiment: please refer to Figures 1-5The utility model provides a technical scheme: a novel intelligent swabbing arm rotating joint, including outer ring 1, worm housing 2 and inner ring 3, worm housing 2 sets up on the lateral side of outer ring 1, worm housing 2 is integrated with outer ring 1, the inside of outer ring 1 is equipped with inner ring 3, inner ring 3 and outer ring 1 adopt concentricity and set up, one end of outer ring 1 is connected with second flange plate 5, one end of inner ring 3 is connected with first flange plate 4, the middle part outer circumferential side of inner ring 3 is processed with worm wheel 32, the inside of worm housing 2 is equipped with worm 31, and worm 31 is connected with worm wheel 32 and engages, and inner ring 3 is provided with two half arc steel ball grooves A 34 and O ring 33,

[0035] As Figure 6 Shown, the inner wall of outer ring 1 is provided with two half arc steel ball grooves B 35, when outer ring 1 is sleeved in inner ring 3, two half arc steel ball grooves B 35 and two half arc steel ball grooves A 34 are fitted to form two steel ball raceways for storing steel ball 11, and inner ring 3 is relatively rotated with outer ring 1 through steel ball 11.

[0036] As Figures 1-3 Shown, one end of worm housing 2 is provided with motor 9 for driving worm 31 to rotate, and the other end of worm housing 2 is provided with bearing 7.

[0037] The output shaft of motor 9 is connected with worm 31 through a shaft coupling, and one end of worm 31 is connected with bearing 7.

[0038] As Figures 1-3 Shown, the second flange plate 5 at the top of outer ring 1 is provided with sealing gasket 6 between the third flange plate 8 welded on the pipeline, and the second flange plate 5 and the third flange plate 8 are connected through bolt fixing.

[0039] As Figures 4-6 Shown, the O ring 33 provided on inner ring 3 is fitted with the inner wall of outer ring 1, and the O ring 33 is arranged on the two sides of half arc steel ball groove A 34 for preventing dust from entering the steel ball raceway.

[0040] As Figure 1 And Figure 3 Shown, the outer wall of outer ring 1 is provided with two steel ball insertion holes 10, the steel ball insertion holes 10 are communicated with the steel ball raceway, the steel ball is put into the steel ball raceway through the steel ball insertion holes 10, the steel ball insertion holes 10 are threaded holes, and the steel ball insertion holes 10 are screw-connected with bolts for preventing the steel ball in the steel ball raceway from being discharged from the steel ball insertion holes 10.

[0041] The motor 9 is electrically connected with the PLC control box, the outer ring 1 and the worm housing 2 are integrally formed by die casting, and the motor 9 is controlled to work by the PLC control box.

[0042] The outer ring 1 and the second flange plate 5 are integrated, the inner ring 3 and the first flange plate 4 are integrated, and they are integrally formed by die forging.

[0043] Working principle: a new type of intelligent swivel joint, use time, through the motor 9 work thereby drive worm 31 rotation, worm 31 rotation thereby drive worm gear 32 rotation, using worm gear 32 rotation thereby drive inner ring 3 and outer ring 1 relative rotation, outer ring 1 and inner ring 3 between through the steel ball raceway in the steel ball is connected, in the inner ring 3 rotation time, the steel ball plays the role of rolling, to let inner ring 3 more stable rotation, inner ring 3 is provided with O ring 33, prevent dust into the steel ball raceway, outer ring 1 top second flange plate 5 through sealing pad 6 and third flange plate 8 sealing connection, when the inner ring 3 rotation time, liquid will not appear leakage.

[0044] The above examples only express the embodiment of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.

Claims

1. A new intelligent swivel for loading arms, comprising an outer ring (1), a worm housing (2) and an inner ring (3), characterized in that: The worm housing (2) is arranged on the peripheral side of the outer ring (1), the worm housing (2) is integrated with the outer ring (1), the inner part of the outer ring (1) is provided with the inner ring (3), the inner ring (3) and the outer ring (1) are arranged in a concentric manner, one end of the outer ring (1) is connected with the second flange plate (5), one end of the inner ring (3) is connected with the first flange plate (4), the middle part of the outer peripheral side of the inner ring (3) is machined with the worm wheel (32), the inner part of the worm housing (2) is provided with the worm (31), the worm (31) is connected with the worm wheel (32) in a meshing manner, the inner ring (3) is provided with two semicircular steel ball grooves A (34) and O-shaped rings (33). The inner wall of the outer ring (1) is provided with two semicircular steel ball grooves B (35), when the outer ring (1) is sleeved on the inner ring (3), the two semicircular steel ball grooves B (35) and the two semicircular steel ball grooves A (34) are fitted to form two steel ball rolling tracks for storing steel balls (11), the inner ring (3) rotates relative to the outer ring (1) through the steel balls (11). One end of the worm housing (2) is provided with a motor (9) for driving the worm (31) to rotate, the other end of the worm housing (2) is provided with a bearing (7).

2. The new smart swivel for loading arms according to claim 1, characterized in that: The output shaft of the motor (9) is connected with the worm (31) through a shaft coupling, one end of the worm (31) is connected with the bearing (7).

3. The new smart swivel for loading arms according to claim 1, characterized in that: The second flange plate (5) at the top of the outer ring (1) is provided with a sealing gasket (6) between the third flange plate (8) welded on the pipeline, the second flange plate (5) and the third flange plate (8) are connected through bolt fixation.

4. The new smart swivel for loading arms according to claim 1, characterized in that: The O-shaped ring (33) arranged on the inner ring (3) is fitted with the inner wall of the outer ring (1), the O-shaped ring (33) is arranged on both sides of the semicircular steel ball groove A (34), which is used for preventing dust from entering the steel ball rolling track.

5. The new smart swivel for loading arms according to claim 1, characterized in that: The outer wall of the outer ring (1) is provided with two steel ball insertion holes (10), the steel ball insertion holes (10) are communicated with the steel ball rolling track, which is used for putting the steel balls into the steel ball rolling track through the steel ball insertion holes (10), the steel ball insertion holes (10) are threaded holes, bolts are threadedly connected on the steel ball insertion holes (10), which is used for preventing the steel balls in the steel ball rolling track from being discharged from the steel ball insertion holes (10).

6. The new smart swivel for loading arms according to claim 1, characterized in that: The motor (9) is electrically connected with the PLC control box, the outer ring (1) and the worm housing (2) are integrally formed by die casting.

7. The new smart swivel for loading arms according to claim 1, characterized in that: The outer ring (1) and the second flange plate (5) are integrated, the inner ring (3) and the first flange plate (4) are integrated, and they are integrally formed by die forging.

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