CN215859993U - Hydraulic oil path transition structure and rotary drilling rig - Google Patents
Hydraulic oil path transition structure and rotary drilling rig Download PDFInfo
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- CN215859993U CN215859993U CN202122421757.6U CN202122421757U CN215859993U CN 215859993 U CN215859993 U CN 215859993U CN 202122421757 U CN202122421757 U CN 202122421757U CN 215859993 U CN215859993 U CN 215859993U
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Abstract
The utility model provides a hydraulic oil path transition structure and a rotary drilling rig. When the hydraulic oil circuit transition structure is used, the hydraulic oil circuit transition structure is fixed on the mast through the mounting seat, and the two ends of the rubber pipe are respectively connected with the pipe joint and the chassis connecting seat. In a normal construction state, the pipe joint on the transition plate faces the chassis connecting seat; in the mast-falling state, under the action of the pulling force of the rubber tube and the gravity of the transition structure, the mounting shaft drives the transition plate to rotate towards the chassis connecting seat, so that the tube joint faces towards the chassis connecting seat, and the rubber tube directly extends to the chassis connecting seat along the direction of the tube joint, thereby effectively reducing the length of the rubber tube required in the mast-falling state and reducing the cost of the rubber tube; and in the mast standing state, the rubber tube is appropriate in length and cannot be wound and lapped outside the rotary drilling rig, so that the smoothness of the appearance of the rotary drilling rig is improved. When the hydraulic impact is received, the rotating part can rotate relative to the mounting seat, so that the effect of relieving the hydraulic impact is achieved.
Description
Technical Field
The utility model relates to the technical field of hydraulic oil way transition structures, in particular to a hydraulic oil way transition structure and a rotary drilling rig.
Background
The construction machine is generally driven by hydraulic pressure. The hydraulic system piping arrangement is usually realized by means of a transition structure for convenience and aesthetic appearance of the pipe connection. A screw base is welded on a mast 2 of the rotary drilling rig, a transition structure is generally connected to the screw base through bolts, and the transition structure is fixed relative to the mast. The transition structure is provided with a pipe joint, and two ends of the rubber pipe 4 are respectively connected with the chassis connecting seat and the pipe joint.
Because the rotary drilling rig has a normal construction state when a mast is erected and a transportation state when the mast is inverted, the lengths of rubber pipes in different states need to be considered when peripheral pipelines are designed, and the rubber pipes are long enough in any posture. As shown in fig. 1a and 1b, in some rotary drilling rig models, in the mast-up state, the pipe joint on the transition structure faces the chassis connecting seat 3; in the transportation state when the mast is inverted, the transition structure is fixed relative to the mast, the direction of the pipe joint faces away from the chassis connecting seat, and in order to prevent the rubber pipe from being damaged, the bending angle of the rubber pipe cannot be too large, so that the rubber pipe needs to extend along the direction of the pipe joint and then extend towards the chassis connecting seat on one side close to the pipe joint, the length of the required rubber pipe is larger than that of the mast standing state, the common construction state is limited by the common transportation state, the length of the rubber pipe has to be lengthened, and the cost of the rubber pipe is increased.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the defect that the length of the rubber hose required in the mast-down state of the rotary drilling rig is longer due to the fact that the hydraulic oil path transition structure is fixedly arranged on the mast in the prior art.
To this end, the present invention provides a hydraulic oil path transition structure, comprising
The mounting seat is suitable for being arranged on the mast, and a first mounting hole is formed in the mounting seat;
the rotary connecting structure is arranged in the first mounting hole; the rotary connecting structure is provided with a second mounting hole;
the rotating component comprises a transition plate and a mounting shaft arranged at the end part of the transition plate, and the mounting shaft is inserted in the second mounting hole; and the transition plate is provided with a pipe joint.
Optionally, in the hydraulic oil path transition structure, the rotary connection structure is a bearing, and the second mounting hole is an inner hole of the bearing.
Optionally, in the hydraulic oil path transition structure, the bearing is a boundary lubrication bearing, and the mounting shaft is in clearance fit with the boundary lubrication bearing.
Alternatively, the hydraulic oil path transition structure described above,
the limiting boss is arranged on the outer peripheral wall of the mounting shaft;
and the end covers and the mounting seats are respectively positioned at two sides of the limiting boss and used for preventing the mounting shaft from separating from the second mounting hole.
Optionally, in the above hydraulic oil path transition structure, the mounting seat is connected to the end cover through a fastener.
Optionally, in the above hydraulic oil path transition structure, a plurality of the fasteners are uniformly arranged along the circumferential direction of the end cover.
Optionally, in the above hydraulic oil path transition structure, the fastener is a bolt.
Optionally, in the hydraulic oil path transition structure, a limiting step is arranged at the bottom of the first mounting hole, and the end of the mounting shaft abuts against a step surface of the limiting step.
The utility model provides a rotary drilling rig which comprises a hydraulic oil path transition structure and a mast, wherein an installation seat is arranged in the mast.
Optionally, in the rotary drilling rig, the mounting seat is welded to the inner wall of the mast.
The technical scheme of the utility model has the following advantages:
1. when the hydraulic oil circuit transition structure is used, the hydraulic oil circuit transition structure is fixed on a mast through the mounting seat, and two ends of the rubber pipe are respectively connected with the pipe joint and the chassis connecting seat. In a normal construction state, the pipe joint on the transition plate faces the chassis connecting seat; in the mast-falling state, under the action of the pulling force of the rubber tube and the gravity of the transition structure, the mounting shaft rotates relative to the rotary connecting structure, the mounting shaft drives the transition plate to rotate towards the chassis connecting seat, so that the tube joint faces towards the chassis connecting seat, and the rubber tube directly extends to the chassis connecting seat along the direction of the tube joint, so that the length of the rubber tube required in the mast-falling state can be effectively reduced, the length of the rubber tube does not need to be in the mast-falling state when the mast is erected, and the cost of the rubber tube is reduced; and in the mast standing state, the rubber tube is appropriate in length and cannot be wound and lapped outside the rotary drilling rig, so that the smoothness of the appearance of the rotary drilling rig is improved. When the hydraulic impact is received, the rotating part can rotate relative to the mounting seat, so that the effect of relieving the hydraulic impact is achieved.
2. According to the hydraulic oil circuit transition structure provided by the utility model, the boundary lubrication bearing has the advantage of low cost under the condition of meeting the rotation requirement of the rotating part, can be used for a long time under the condition of boundary lubrication without oiling, and has the advantages of low cost, long service life, oil-adding frequency saving and replacement program simplification.
3. The hydraulic oil circuit transition structure further comprises an end cover connected to the mounting seat; the installation axle periphery wall is equipped with spacing boss, the end cover joint in outside the spacing boss to the restriction installation axle moves bearing dorsad.
The bottom of the first mounting hole is provided with a limiting step, the end of the mounting shaft abuts against the step surface of the limiting step, and the mounting shaft is limited to move towards the bearing. Spacing boss and spacing step cooperation prevent that rotary part from along the axial displacement of installation axle, make the installation axle only can carry out circumferential direction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a construction state and a mast collapse state of a rotary drilling rig described in the background of the utility model;
fig. 2 is a schematic diagram of a hydraulic oil circuit transition structure provided in embodiment 1 of the present invention;
fig. 3 is a schematic diagram of a construction state and a mast collapse state of the rotary drilling rig provided in embodiment 2 of the present invention.
Description of reference numerals:
1-hydraulic oil circuit transition structure; 11-a mounting seat; 111-a limit step; 12-a rotating connection; 13-a rotating member; 131-a transition plate; 132-mounting shaft; 1321-limit boss; 133-a pipe joint; 14-an end cap; 141-third mounting holes; 2-mast; 3-chassis connecting base; 4-rubber tube.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a hydraulic oil path transition structure, as shown in fig. 2, which includes a mount 11, a rotary connection structure 12, and a rotary member 13. The mounting seat 11 is suitable for being arranged on the mast 2, and a first mounting hole is formed in the mounting seat 11; the rotary connecting structure 12 is arranged in the first mounting hole; the rotary connecting structure is provided with a second mounting hole; the rotating component 13 comprises a transition plate 131 and a mounting shaft 132 arranged at the end of the transition plate 131, and the mounting shaft 132 is inserted into the second mounting hole; the transition plate 131 is provided with a pipe joint 133.
When the hydraulic oil path transition structure 1 is used, the hydraulic oil path transition structure is fixed on the mast 2 through the mounting seat 11, and two ends of the rubber tube 4 are respectively connected with the tube joint 133 and the chassis connecting seat 3. In a normal construction state, as shown in fig. 3a, the pipe joint 133 on the transition plate 131 faces the chassis connecting seat 3; in the mast-falling state, as shown in fig. 3b, under the action of the pulling force of the rubber hose 4 and the gravity of the transition structure, the mounting shaft 132 rotates relative to the rotating connection structure 12, the mounting shaft 132 drives the transition plate 131 to rotate towards the chassis connection seat 3, so that the pipe joint 133 faces towards the chassis connection seat 3, the rubber hose 4 directly extends to the chassis connection seat 3 along the direction of the pipe joint 133, the length of the rubber hose 4 required in the mast-falling state can be effectively reduced, the length of the rubber hose 4 in the mast-falling state does not need to be changed to the mast-falling state, and the cost of the rubber hose 4 is reduced; in addition, in the mast standing state, the rubber hose 4 is appropriate in length and cannot be wound and lapped outside the rotary drilling rig, so that the smoothness of the appearance of the rotary drilling rig is improved. When hydraulic impact is received, the rotating part 13 can rotate relative to the mounting seat 11, so that the effect of relieving the hydraulic impact is achieved.
Further, the rotating connection structure 12 is a bearing, the second mounting hole is an inner hole of the bearing, the mounting shaft 132 is inserted into the inner hole of the bearing, and the mounting shaft 132 rotates relative to the bearing to rotate relative to the mounting base 11. Because the rotating part 13 rotates at a low speed only under the action of the gravity of the rotating part and the pulling force of the rubber hose 4 in the use process without high rotation, a boundary lubrication bearing is selected as the bearing. The mounting shaft 132 is in clearance fit with the boundary lubrication bearing, and the boundary lubrication bearing is in interference fit with the first mounting hole. When rotary part 13 rotated, the relative boundary lubrication bearing of installation axle 132 rotated, and boundary lubrication bearing has with low costs advantage simultaneously under the circumstances that satisfies rotary part 13 rotation demand to it can use for a long time and does not refuel under boundary lubrication's condition, has with low costs, longe-lived, saves the advantage of refueling frequency, simplifying the change procedure.
Referring to fig. 2, the hydraulic oil path transition structure 1 further includes a limiting boss and an end cover, wherein the limiting boss is arranged on the outer peripheral wall of the mounting shaft; the end cover and the mounting seat are respectively positioned at two sides of the limiting boss and used for preventing the mounting shaft from separating from the second mounting hole. For example, the end cap 14 is attached to the mount 11; the end cap 14 is clamped outside the limit boss 1321 to limit the mounting shaft 132 from moving away from the bearing, i.e., to limit the mounting shaft 132 from moving to the right.
Furthermore, a limiting step 111 is arranged at the bottom of the first mounting hole, and the end of the mounting shaft 132 abuts against the step surface of the limiting step 111 to limit the movement of the mounting shaft 132 towards the bearing, that is, to limit the left movement of the mounting shaft 132. The limit boss 1321 is engaged with the limit step 111 to prevent the rotation member 13 from moving in the axial direction of the mounting shaft 132, and the mounting shaft 132 can only rotate in the circumferential direction.
A plurality of third mounting holes 141 are formed in the circumferential direction of the end cover 14 at intervals, and fasteners penetrate through the third mounting holes 141 and the mounting holes in the mounting seat 11 to connect the end cover 14 and the mounting seat 11. Preferably, the third mounting holes 141 are equally spaced along the circumference of the end cap 14, and the end cap 14 is firmly fixed. Optionally, the fasteners are bolts to facilitate removal and installation of the end cap 14.
As an alternative to embodiment 1, the bearing may also be a deep groove ball bearing, the mounting shaft 132 is interference-fitted to an inner ring of the deep groove ball bearing, the inner ring of the deep groove ball bearing rotates to drive the mounting shaft 132 to rotate, and the limiting boss 1321, the end cap 14, and the limiting step 111 may not be provided at this time.
Example 2
The embodiment provides a rotary drilling rig, which comprises a hydraulic oil path transition structure 1 and a mast 2 in the embodiment 1, wherein the mounting seat 11 is arranged in the mast 2.
In the rotary drilling rig with the structure, when the mast is inverted, the mounting shaft 132 drives the transition plate 131 to rotate towards the chassis connecting base 3, so that the pipe joint 133 faces towards the chassis connecting base 3, the rubber hose 4 directly extends to the chassis connecting base 3 along the direction of the pipe joint 133, the length of the rubber hose 4 required in the mast inverting state is effectively reduced, the length of the rubber hose 4 in the mast inverting state is not required to be transferred, and the cost of the rubber hose 4 is reduced; in addition, in the mast standing state, the rubber hose 4 is appropriate in length, cannot be wound and lapped outside the rotary drilling rig, and the smoothness of the appearance of the rotary drilling rig is improved. The mounting seat 11 is arranged in the mast 2, the rotary drilling rig is compact in structure, and the mounting seat 11 is good in fixing effect.
Further, the mounting seat 11 is welded to the inner wall of the mast 2, so as to firmly fix the mounting seat 11 to the mast 2, and the mounting seat 11 can also be firmly fixed to the mast 2 after the hydraulic oil path transition structure 1 is used for a long time, so as to prevent the mounting seat 11 from shaking relative to the mast 2. Correspondingly, the bearing is located in the mast 2, the outer end portion of the mounting shaft 132 extends out of the inner cavity of the mast 2, the limit boss 1321 is clamped on the outer wall of the mast 2, the end cover 14 is clamped on the outer wall of the mast 2 and the limit boss 1321, and the bolt penetrates through the third mounting hole 141, the mast 2 and the mounting hole in the mounting seat 11 to fix the end cover 14 on the mast 2 and the mounting seat 11.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (10)
1. A hydraulic oil path transition structure is characterized by comprising
The mounting seat (11) is suitable for being arranged on the mast (2), and a first mounting hole is formed in the mounting seat (11);
the rotary connecting structure (12) is arranged in the first mounting hole; the rotary connecting structure (12) is provided with a second mounting hole;
the rotating component (13) comprises a transition plate (131) and a mounting shaft (132) arranged at the end part of the transition plate (131), and the mounting shaft (132) is inserted into the second mounting hole; and a pipe joint (133) is arranged on the transition plate (131).
2. The hydraulic circuit transition structure of claim 1, wherein the rotary connection structure (12) is a bearing, and the second mounting hole is an inner hole of the bearing.
3. The hydraulic circuit transition structure of claim 2, wherein the bearing is a boundary lubrication bearing, and the mounting shaft (132) is clearance-fit to the boundary lubrication bearing.
4. The hydraulic circuit transition structure according to claim 3, further comprising
A limit boss (1321) arranged on the outer peripheral wall of the mounting shaft (132);
and the end covers (14) and the mounting seat (11) are respectively positioned at two sides of the limiting boss (1321) and used for preventing the mounting shaft (132) from being separated from the second mounting hole.
5. The hydraulic circuit transition structure according to claim 4, wherein the mount (11) and the end cover (14) are connected by a fastener.
6. The hydraulic oil passage transition structure according to claim 5, wherein the fasteners are evenly arranged in plurality circumferentially along the end cover.
7. The hydraulic oil circuit transition structure according to claim 6, wherein the fastener is a bolt.
8. The hydraulic oil circuit transition structure according to claim 4, wherein a limiting step (111) is arranged at the bottom of the first mounting hole, and the end of the mounting shaft (132) abuts against the step surface of the limiting step (111).
9. A rotary drilling rig, characterized by comprising the hydraulic oil path transition structure and a mast (2) according to any one of claims 1-8, wherein the mounting seat (11) is arranged in the mast (2).
10. The rotary drilling rig according to claim 9, characterized in that the mounting seat (11) is welded to the inner wall of the mast (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122421757.6U CN215859993U (en) | 2021-10-08 | 2021-10-08 | Hydraulic oil path transition structure and rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122421757.6U CN215859993U (en) | 2021-10-08 | 2021-10-08 | Hydraulic oil path transition structure and rotary drilling rig |
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| Publication Number | Publication Date |
|---|---|
| CN215859993U true CN215859993U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122421757.6U Active CN215859993U (en) | 2021-10-08 | 2021-10-08 | Hydraulic oil path transition structure and rotary drilling rig |
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| Country | Link |
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| CN (1) | CN215859993U (en) |
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2021
- 2021-10-08 CN CN202122421757.6U patent/CN215859993U/en active Active
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