CN110925335A - External rotary brake device of rotary drilling rig - Google Patents
External rotary brake device of rotary drilling rig Download PDFInfo
- Publication number
- CN110925335A CN110925335A CN201911408665.5A CN201911408665A CN110925335A CN 110925335 A CN110925335 A CN 110925335A CN 201911408665 A CN201911408665 A CN 201911408665A CN 110925335 A CN110925335 A CN 110925335A
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- China
- Prior art keywords
- rotary
- external
- brake
- slewing
- brake device
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- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2123/00—Multiple operation forces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
An external rotary braking device of a rotary drilling rig comprises a rotary support, a rotary speed reducer and an external brake. The method is characterized in that: the wall surfaces of the inner ring and the outer ring of the slewing bearing are both provided with driving teeth; the inner ring driving gear of the slewing bearing is meshed with an output gear of a slewing reducer to drive and brake; and outer ring driving teeth of the slewing bearing are meshed with output teeth of an external slewing brake arranged between the chassis and the upper vehicle to brake. The invention can play a role in braking the inner and outer teeth of the drilling machine in the drilling process, effectively improves the braking force of the rotating device of the drilling machine, effectively ensures the perpendicularity of the drilling machine during drilling, and effectively improves the working efficiency of the drilling machine. Meanwhile, construction operation can be carried out on hard stratums, the construction range of the drilling machine is greatly improved, and the applicability of the drilling machine to different construction sites is enlarged.
Description
Technical Field
The invention belongs to the technical application field of rotary drilling rig slewing devices, and particularly relates to an external slewing brake device of a rotary drilling rig, which improves the slewing brake capacity of the rotary drilling rig.
Background
In the working process of the rotary device of the rotary drilling rig, under the condition that the size of a chassis is fixed, the braking force in the rotary process is difficult to improve, the development of the high-power rotary drilling rig is not facilitated, and for the slewing bearing, the inner ring is mostly only used for meshing the gear or the outer ring is used for meshing the gear, and the strength of the inner ring and the outer ring of the slewing bearing cannot be well utilized.
Disclosure of Invention
The invention aims to provide an external rotary brake device of a rotary drilling rig aiming at the technical and functional requirements of the rotary device for the engineering machinery. The device not only can improve the rotary braking capacity of the rotary drilling rig, but also has the advantages of convenience in assembly and maintenance, material saving and cost saving.
The object of the invention can be achieved by the following technical measures:
the external rotary braking device of the rotary drilling rig comprises a rotary speed reducer and a rotary support, wherein driving teeth are machined on the inner ring wall surface and the outer ring wall surface of the rotary support; the inner ring driving gear of the slewing bearing is meshed with an output gear of a slewing reducer to drive and brake; and outer ring driving teeth of the slewing bearing are meshed with output teeth of an external slewing brake arranged between the chassis and the upper vehicle to brake.
The turning speed reducer and the external turning brake are controlled to be opened and closed through the brake device oil pipes in the hydraulic system, and the power sources of the turning speed reducer and the external turning brake utilize hydraulic oil accessed by the same hydraulic oil pipe to realize simultaneous control of the turning speed reducer and the external turning brake.
The external rotary brake device is installed in a split mode, the inner side of the external rotary brake device is connected with a clamping groove at the extending end of a fixed base of the rotary support through a bolt, the outer side of the external rotary brake device is connected with the fixed base of the rotary support through a clamping plate and a bolt, the external rotary brake device and the external clamping plate are installed firstly during installation, and then the external rotary brake device and the external clamping plate are connected with the fixed base of the rotary support through two groups of positioning grooves in the horizontal direction. During installation, the external rotary brake device and the external clamping plate are installed firstly and then connected with the fixed base of the rotary support through two groups of positioning grooves in the horizontal direction and the vertical direction. The seam allowance in the mounting clamping groove of the external rotary braking device adopts the grade processing precision to ensure the fixation between the external brake and the mounting clamping groove, so as to ensure that the external brake cannot be loosened in the actual working process.
The invention adds outer ring driving teeth to the slewing bearing (namely, the structure that only the driving teeth are processed on the inner ring wall surface of the slewing bearing in the prior art is changed into the structure that the driving teeth are processed on the inner ring wall surface and the outer ring wall surface of the slewing bearing), and an external slewing brake is added in the space between the chassis and the upper vehicle, the external slewing brake is meshed with the outer driving teeth of the slewing bearing, the inner driving teeth of the slewing bearing and output gears of two slewing reducers drive and brake, and the brake is locked in the process of braking.
The invention has the following beneficial effects:
according to the invention, in the drilling process of the drilling machine, the external teeth in the slewing bearing and the output brake teeth of the external brake are ensured to be engaged and braked to effectively improve the braking force of the drilling machine slewing device while the internal teeth in the slewing bearing and the output gear of the slewing reducer are engaged and braked, so that the drilling perpendicularity of the drilling machine is effectively ensured. Meanwhile, the construction operation can be carried out on a hard stratum, the construction range of the drilling machine is greatly improved, the construction operation of the drilling machine in a mountainous area and the hard stratum is ensured, the applicability of the drilling machine to different construction sites is expanded, the domestic capital construction efficiency and the construction of areas with complex working conditions are improved, the size is effectively reduced, the applicability is effectively improved, and the power of the drilling machine can be effectively improved in the same size and the same occupied area. In addition, the invention can be used for improving the rotation braking force of various crawler-type engineering equipment.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a fixed base and an outer clamping plate portion of the pivoting support in fig. 1.
Number in the figure: 1. the device comprises a rotary speed reducer, 2. a rotary support, 3. an external rotary brake, 4. an external clamping plate, 5. a positioning pin and 6. a bolt.
Detailed Description
The invention will be further described with reference to the following examples (drawings):
as shown in fig. 1, the external slewing brake device of the rotary drilling rig comprises a slewing reducer 1, a slewing bearing 2 and an external brake 3, wherein driving teeth are processed on the inner ring wall surface and the outer ring wall surface of the slewing bearing 2; the inner ring driving teeth of the slewing bearing 2 are meshed with an output gear of the slewing reducer 1 to drive and brake; and outer ring driving teeth of the slewing bearing 2 are meshed with output teeth of an external slewing brake 3 arranged between the chassis and the upper vehicle to brake.
Furthermore, the turning speed reducer 1 and the external turning brake 3 are controlled to be turned on and off through brake device oil pipes in a hydraulic system. The structure can ensure that the braking devices of the rotary speed reducer and the external rotary brake are in a non-working state in the process of rotating the whole machine, so that the output gear of the rotary speed reducer drives the inner ring of the rotary support to complete the rotating operation of the whole machine. In the drilling operation process of the drilling machine, the braking devices in the slewing device and the slewing outer brake are in working states, so that the inner ring teeth of the slewing bearing and the output teeth of a slewing reducer in the slewing device are meshed and braked, and the outer ring teeth of the slewing bearing and the braking teeth of the outer brake are meshed and braked.
The external rotary brake device 3 is installed in a split mode, the inner side of the external rotary brake device is connected with a clamping groove at the extending end of a fixed base of a rotary support through a bolt, the outer side of the external rotary brake device is connected with the fixed base of the rotary support through a limiting connecting piece consisting of a positioning pin 5 and a bolt 6 and a clamping plate 4, and the external rotary brake device and the external clamping plate are installed firstly and then connected with the fixed base of the rotary support through two groups of positioning grooves in the horizontal direction and the vertical direction. During installation, the external rotary brake device and the external clamping plate are installed firstly and then connected with the fixed base of the rotary support through two groups of positioning grooves in the horizontal direction and the vertical direction. The seam allowance in the mounting clamping groove of the external rotary braking device adopts 8-level machining precision to ensure the fixation between the external brake and the mounting clamping groove, so that the situation that the external brake is not loosened in the actual working process is ensured.
The arrangement mode can effectively utilize the redundant space of the chassis, and avoids the interference between the external rotary brake 3 and the crawler and the upper vehicle in the working process. In addition, the external slewing brake 3 is fixed by the limit of the outer clamping plate 4 and is positioned by a positioning pin serving as a limit connecting piece, and the meshing precision between the braking teeth of the external slewing brake and the driving teeth of the outer ring of the slewing bearing is further ensured. By reasonably arranging the external rotary brakes, the rotary braking capacity of the rotary drilling rig is improved by more than 30 percent in rotary drilling rigs of the same model.
The invention designs outer ring driving teeth for the slewing bearing (namely, the structure that only the driving teeth are processed on the wall surface of the inner ring of the slewing bearing 2 in the prior art is changed into the structure that the driving teeth are processed on the wall surfaces of the inner ring and the outer ring of the slewing bearing 2), an external slewing brake 3 is added in the space between the chassis and the upper vehicle, the external slewing brake 3 is meshed with the external driving teeth of the slewing bearing, the internal driving teeth of the slewing bearing and output gears of two slewing reducers drive and brake, and the brake is locked in the braking process.
Claims (3)
1. The utility model provides an external gyration arresting gear of rotary drilling rig, it includes slewing reducer (1), slewing bearing (2), its characterized in that: the wall surfaces of the inner ring and the outer ring of the slewing bearing (2) are both provided with driving teeth; the inner ring driving teeth of the slewing bearing (2) are meshed with an output gear of the slewing reducer 1 to drive and brake; and outer ring driving teeth of the slewing bearing (2) are meshed with output teeth of an external slewing brake (3) arranged between the chassis and the upper vehicle to brake.
2. The external rotary brake device of the rotary drilling rig according to claim 1, characterized in that: the turning speed reducer 1 and the external turning brake (3) are controlled to be opened and closed through brake device oil pipes in a hydraulic system.
3. The external rotary brake device of the rotary drilling rig according to claim 1, characterized in that: the external rotary brake device (3) is installed in a split mode, the inner side of the external rotary brake device is connected with a clamping groove at the extending end of a fixed base of the rotary support through a bolt, and the outer side of the external rotary brake device is connected with the fixed base of the rotary support through a clamping plate (4) and a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408665.5A CN110925335A (en) | 2019-12-31 | 2019-12-31 | External rotary brake device of rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408665.5A CN110925335A (en) | 2019-12-31 | 2019-12-31 | External rotary brake device of rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110925335A true CN110925335A (en) | 2020-03-27 |
Family
ID=69862543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911408665.5A Pending CN110925335A (en) | 2019-12-31 | 2019-12-31 | External rotary brake device of rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110925335A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922923A (en) * | 2022-05-13 | 2022-08-19 | 中联恒通机械有限公司 | Slewing mechanism and control method |
-
2019
- 2019-12-31 CN CN201911408665.5A patent/CN110925335A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922923A (en) * | 2022-05-13 | 2022-08-19 | 中联恒通机械有限公司 | Slewing mechanism and control method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 451482 No. 88, Yu Gong Road, Zhengzhou economic and Technological Development Zone, Henan Applicant after: Yutong heavy equipment Co.,Ltd. Address before: 451482 No. 88, Yu Gong Road, Zhengzhou economic and Technological Development Zone, Henan Applicant before: ZHENGZHOU ZHENGYU HEAVY INDUSTRY Co.,Ltd. |
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| CB02 | Change of applicant information |