CN220080150U - Rotary joint of excavator - Google Patents
Rotary joint of excavator Download PDFInfo
- Publication number
- CN220080150U CN220080150U CN202321536765.8U CN202321536765U CN220080150U CN 220080150 U CN220080150 U CN 220080150U CN 202321536765 U CN202321536765 U CN 202321536765U CN 220080150 U CN220080150 U CN 220080150U
- Authority
- CN
- China
- Prior art keywords
- clamping
- joint body
- excavator
- central joint
- circumference
- 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
- 238000004804 winding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses an excavator rotary joint which comprises a central joint body, wherein one side of the central joint body is connected with a fixed plate through a clamping assembly, the outer wall of the circumference of one side of the fixed plate is connected with a screw rod through threads, the circumference of the fixed plate, which is close to the inner side of the screw rod, is connected with a conductive slip ring through a flange, an inner pipe body is arranged between the central joint body and the flange, one end of the central joint body is provided with an adjusting nut, the clamping assembly comprises a first clamping column, a second clamping column, a first clamping groove and a second clamping groove, the inner side of one end of the central joint body is provided with a mounting groove, the first clamping column is connected into the mounting groove through threads, and the second clamping groove is formed in the outer side of the circumference of the first clamping column. According to the utility model, the problem that the side-turned cable cannot be wound along with the rotation angle of the central joint body in the rotation state is solved, the stable electric performance can be still achieved in the rotation state, and the working safety of the central rotary joint of the excavator is improved.
Description
Technical Field
The utility model relates to the technical field of excavator rotary joints, in particular to an excavator rotary joint.
Background
The central rotary joint of the excavator is an important part of the excavator, which is arranged at the central position of a rotary platform, and is a key part for connecting the upper part and the lower part of the excavator body. It has the functions of bearing weight and supporting rotation. Reasonable design and manufacturing quality can greatly influence the service life, stability and working efficiency of the excavator. The installation position of the central swivel joint is special, the manufacturing process requirement is high, and the central swivel joint needs to be processed and detected in multiple working procedures so as to ensure the reliability and stability of the functions.
However, when the conventional central rotary joint of the excavator works, the electric wire at the side of the rotary shaft is in a winding state due to the change of the rotation angle, so that the line fault can occur for a long time, and the quality of angle rotation is affected.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a swivel joint of an excavator.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an excavator swivel joint, includes the central joint body, one side of central joint body is connected with the fixed plate through joint subassembly, and one side circumference outer wall of fixed plate has the lead screw through threaded connection, and the fixed plate is close to the inboard circumference of lead screw and has electrically conductive sliding ring through flange joint, is provided with interior body between central joint body and the flange.
As still further aspects of the utility model: one end of the central joint body is provided with an adjusting nut.
As still further aspects of the utility model: the clamping assembly comprises a first clamping column, a second clamping column, a first clamping groove and a second clamping groove, and a mounting groove is formed in the inner side of one end of the central joint body.
As still further aspects of the utility model: the first clamping column is connected into the mounting groove through threads;
the second clamping groove is formed in the outer side of the circumference of the first clamping column.
As still further aspects of the utility model: the second clamping column is clamped on the inner circumference of the fixing plate through threads;
the first clamping groove is formed in the inner side of the circumference of the second clamping column.
As still further aspects of the utility model: the first clamping groove is mutually clamped and matched with the second clamping groove, and the circle centers of the first clamping column and the second clamping column are provided with guide holes.
As still further aspects of the utility model: the guide hole is mutually matched with the inner pipe body.
Compared with the prior art, the utility model provides the excavator swivel joint, which has the following beneficial effects:
1. according to the excavator swivel joint, in actual use, when the swivel angle of the central joint body is changed, the conductive slip ring on one side of the central joint body ensures that the cable which is turned on one side of the central joint body is not wound along with the rotation angle under the rotation state, so that stable electric performance still can be achieved under the rotation state, and the working safety of the excavator central swivel joint is improved.
2. This excavator swivel joint, when being connected to fixed plate and central joint body, install first draw-in post in the mounting groove of central joint body one side respectively, install the second draw-in post in the inner circumference of fixed plate, through the mode of first draw-in groove and the mutual joint of second draw-in groove, connect first draw-in post and the mutual grafting of second draw-in post, immediately, insert the guide hole of first draw-in post and second draw-in post with interior body, not only effectively promoted fixed plate and central joint body connection stability, made things convenient for loading and unloading between central joint body and the fixed plate moreover.
3. According to the rotary joint of the excavator, through the arrangement of the adjusting nut, the end connection and fixation of the central joint body are promoted, and meanwhile, the assembly and the disassembly are convenient.
The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has a simple structure and is convenient to operate.
Drawings
FIG. 1 is a schematic diagram of a front view of a swivel joint of an excavator according to the present utility model;
FIG. 2 is a schematic side view of a swivel joint of an excavator according to the present utility model;
fig. 3 is a schematic structural view of a clamping assembly in an excavator swivel joint according to the present utility model.
In the figure: 1. a conductive slip ring; 2. a screw rod; 3. an inner tube body; 4. a fixing plate; 5. a central joint body; 6. an adjusting nut; 7. a flange; 8. a first clamping column; 9. a second clamping column; 10. a first clamping groove; 11. and a second clamping groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
1-3, the rotary joint of the excavator comprises a central joint body 5, wherein one side of the central joint body 5 is connected with a fixing plate 4 through a clamping assembly, the outer wall of the circumference of one side of the fixing plate 4 is connected with a screw rod 2 through threads, the circumference of the fixing plate 4, which is close to the inner side of the screw rod 2, is connected with a conductive slip ring 1 through a flange 7, and an inner pipe body 3 is arranged between the central joint body 5 and the flange 7;
in actual use, when the central joint body 5 carries out rotation angle transformation, the conductive slip ring 1 on one side of the central joint body ensures that the cable turned on one side of the central joint body 5 does not have winding problem along with the rotation angle under the rotation state, ensures that stable electric performance can still be completed under the rotation state, and improves the working safety of the central rotation joint of the excavator.
In order to facilitate the connection and fixation of the central joint body 5, as shown in fig. 1, one end of the central joint body 5 is provided with an adjusting nut 6; through the setting of adjusting nut 6, promote the fixed of central joint body 5 end connection, also made things convenient for loading and unloading simultaneously.
In order to promote the stability of the connection between the fixing plate 4 and the central joint body 5, as shown in fig. 1-3, the clamping assembly comprises a first clamping column 8, a second clamping column 9, a first clamping groove 10 and a second clamping groove 11, and a mounting groove is formed in the inner side of one end of the central joint body 5;
the first clamping column 8 is connected into the mounting groove through threads;
the second clamping groove 11 is formed in the outer side of the circumference of the first clamping column 8;
the second clamping column 9 is clamped on the inner circumference of the fixed plate 4 through threads;
a first clamping groove 10, wherein the first clamping groove 10 is arranged on the inner side of the circumference of the second clamping column 9;
the first clamping groove 10 and the second clamping groove 11 are mutually clamped and matched, and the centers of the first clamping column 8 and the second clamping column 9 are provided with guide holes which are mutually matched with the inner pipe body 3;
when the fixing plate 4 is connected with the central joint body 5, the first clamping columns 8 are respectively arranged in the mounting grooves on one side of the central joint body 5, the second clamping columns 9 are arranged on the inner circumference of the fixing plate 4, the first clamping columns 8 and the second clamping columns 9 are mutually connected in an inserting mode through the first clamping grooves 10 and the second clamping grooves 11, and then the inner pipe body 3 is inserted into the guide holes of the first clamping columns 8 and the second clamping columns 9, so that the connection stability of the fixing plate 4 and the central joint body 5 is effectively promoted, and the mounting and dismounting between the central joint body 5 and the fixing plate 4 are facilitated.
Working principle: in actual use, when the central joint body 5 carries out rotation angle transformation, the conductive slip ring 1 on one side of the central joint body 5 ensures that the cable turned on one side of the central joint body 5 does not have winding problem along with the rotation angle under the rotation state, and when the fixing plate 4 is connected with the central joint body 5 before, the first clamping columns 8 are respectively arranged in the mounting grooves on one side of the central joint body 5, the second clamping columns 9 are arranged on the inner circumference of the fixing plate 4, the first clamping columns 8 and the second clamping columns 9 are mutually connected in an inserting manner through the first clamping grooves 10 and the second clamping grooves 11, and then the inner pipe body 3 is inserted into the guide holes of the first clamping columns 8 and the second clamping columns 9, so that the connection stability of the fixing plate 4 and the central joint body 5 is promoted.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides an excavator swivel joint, includes central joint body (5), its characterized in that, one side of central joint body (5) is connected with fixed plate (4) through joint subassembly, and one side circumference outer wall of fixed plate (4) has lead screw (2) through threaded connection, and fixed plate (4) are close to lead screw (2) inboard circumference and are connected with conductive slip ring (1) through flange (7), are provided with interior body (3) between central joint body (5) and flange (7).
2. An excavator swivel joint according to claim 1, characterized in that one end of the central joint body (5) is provided with an adjusting nut (6).
3. The rotary joint of the excavator according to claim 1, wherein the clamping assembly comprises a first clamping column (8), a second clamping column (9), a first clamping groove (10) and a second clamping groove (11), and a mounting groove is formed in the inner side of one end of the central joint body (5).
4. A swivel joint for an excavator according to claim 3, wherein the first clamping post (8) is screwed into the mounting groove;
the second clamping groove (11) is formed on the outer side of the circumference of the first clamping column (8).
5. A swivel joint for an excavator according to claim 3, wherein the second clamping post (9) is screwed to the inner circumference of the fixed plate (4);
the first clamping groove (10) is formed on the inner side of the circumference of the second clamping column (9).
6. The rotary joint of the excavator according to claim 3, wherein the first clamping groove (10) and the second clamping groove (11) are mutually clamped and matched, and the centers of the first clamping column (8) and the second clamping column (9) are provided with guide holes.
7. An excavator swivel according to claim 6, characterised in that the guide hole and the inner pipe body (3) are mutually adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321536765.8U CN220080150U (en) | 2023-06-16 | 2023-06-16 | Rotary joint of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321536765.8U CN220080150U (en) | 2023-06-16 | 2023-06-16 | Rotary joint of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220080150U true CN220080150U (en) | 2023-11-24 |
Family
ID=88826903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321536765.8U Active CN220080150U (en) | 2023-06-16 | 2023-06-16 | Rotary joint of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220080150U (en) |
-
2023
- 2023-06-16 CN CN202321536765.8U patent/CN220080150U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207770520U (en) | Cylindrical battery pole piece apparatus for leveling | |
| CN220080150U (en) | Rotary joint of excavator | |
| CN219532163U (en) | Coil skeleton on electromagnetic flow sensor | |
| CN209045978U (en) | A kind of cable connection structure | |
| CN205927140U (en) | Tailstock and digit control machine tool | |
| CN207681794U (en) | A kind of welding torch joint | |
| CN219263004U (en) | Bearing pedestal | |
| CN221735291U (en) | Positioning mechanism for welding fixed pipe and flange | |
| CN211377511U (en) | Electronic wire with limiting assembly | |
| CN221176146U (en) | Electron gun convenient to installation | |
| CN116073149B (en) | Wire connection structure of transmission pole | |
| CN212155273U (en) | Metal fan board crimping subassembly | |
| CN218625005U (en) | Robot bolt locking device | |
| CN114927908B (en) | Super small bending radius SMA cable connector | |
| CN219776914U (en) | Power transmission line contact temperature stability monitoring device | |
| CN210774106U (en) | Encoder fixing device | |
| CN214204892U (en) | Elbow type cable terminal extension rod | |
| CN203617443U (en) | Pylon girth welding ground wire connection device | |
| CN218254915U (en) | Frock is used in gyroplane horizontal pole equipment | |
| CN221613625U (en) | Assembled electric porcelain insulator | |
| CN220566779U (en) | Multipurpose corrugated pipe joint | |
| CN221763148U (en) | Monitoring equipment support | |
| CN210599775U (en) | Hexagonal positioning bolt easy and convenient to operate and used for automobile | |
| CN215950054U (en) | Novel adjustable locator | |
| CN214706596U (en) | Electrical equipment distribution device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |