CN114110143A - Muddy water preventing structure suitable for multiple states of power head - Google Patents
Muddy water preventing structure suitable for multiple states of power head Download PDFInfo
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- CN114110143A CN114110143A CN202111581699.1A CN202111581699A CN114110143A CN 114110143 A CN114110143 A CN 114110143A CN 202111581699 A CN202111581699 A CN 202111581699A CN 114110143 A CN114110143 A CN 114110143A
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- mud
- inner ring
- oil seal
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- flange
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sealing Of Bearings (AREA)
Abstract
The invention relates to a muddy water preventing structure suitable for multiple states of a power head, which comprises a driving sleeve, a muddy outer ring, a connecting flange, an upper oil seal box, an upper oil seal, a power box body and a transmission sleeve, wherein the lower flange surface of the driving sleeve is connected with the upper flange surface of the connecting flange, the outer side surface of the driving sleeve is connected with the muddy outer ring, the lower flange surface of the connecting flange is connected with the upper flange surface of the transmission sleeve, a muddy inner ring is arranged in a space formed by the driving sleeve, the connecting flange, the muddy outer ring and the transmission sleeve, the muddy inner ring is connected with the upper flange surface of the upper oil seal box, the lower flange surface of the upper oil seal box is connected with the power box body, the inner side surface of the upper oil seal box is connected with the upper oil seal box, and the upper oil seal box is in contact with the transmission sleeve to form a seal. The rotary digging drilling machine power head has the advantages that through simple structural design, slurry, rainwater and the like can be effectively prevented from entering the power box body when the rotary digging drilling machine power head is in a working state and a transportation state, and therefore the power head is effectively protected from long-term good operation.
Description
Technical Field
The invention relates to a muddy water intrusion prevention structure, in particular to a muddy water intrusion prevention structure suitable for multiple states of a power head.
Background
At present, a rotary drilling rig is mainly applied to foundation construction of various buildings, bridges and subways as pile hole forming operation equipment, and the quality and the reliability of a power head serving as a working device of the rotary drilling rig are particularly important.
In the construction working condition of the rotary drilling rig, most of the rotary drilling rig can use a slurry medium, the drilling rig can frequently lift and place a drill rod, the power head is in a vertical state in the process, the drill rod can take out slurry in a hole and drop the slurry on the power head, accumulation is formed after a long time, the slurry enters a box body of the power head, lubricating oil in the box body is polluted, and faults such as gear abrasion, bearing clamping stagnation and the like occur in the box body transmission mechanism in an early stage.
Some operators see mud and pile up the back, can adopt high-pressure squirt to wash, and this in-process also can lead to inside mud, the sewage entering unit head box.
When the drilling machine is in a transportation state, the power head is in a horizontal state, and when the drilling machine meets rainy weather, no special structural design exists, and rainwater can also enter the interior of a power head box body.
Most of power heads on the world at present have no mud ring or only outermost mud ring, and sewage easily enters the interior of a power head box body after mud is accumulated so as to pollute lubricating oil. There are few unit head designs to have the inlayer to prevent the mud steel ring, but do not carry out special structural design, when the high-pressure squirt washes or when the rainy day unit head is in the transport state, inside sewage also got into the unit head box easily, there are few unit head designs to have the outside protection seal, but because the environment is abominable and lack the lubrication, cause the damage very easily to mud waterproof effect has been reduced.
Disclosure of Invention
Aiming at the problems, the invention provides a muddy water preventing structure which can effectively prevent mud, rainwater and the like from entering a power box body and is suitable for various states of a power head when the power head of a drilling machine is in a working state and a transportation state.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a prevent muddy water structure suitable for unit head multiple status, includes the driving sleeve, prevents mud outer lane, flange, goes up the oil blanket, power box and transmission cover, the lower flange face of driving sleeve links to each other with flange's last flange face, and the lateral surface of driving sleeve connects in preventing the mud outer lane, flange's lower flange face links to each other with the last flange face of transmission cover, be equipped with in the space that driving sleeve, flange, mud outer lane and transmission cover formed and prevent the mud inner circle, prevent the mud inner circle and go up the last flange face of oil blanket box and link to each other, the lower flange face of going up the oil blanket box is connected in power box, and the medial surface of going up the oil blanket box links to each other with last oil blanket, it touches with the transmission cover and forms sealedly to go up the oil blanket.
Preferably, the accommodating space of the upper oil seal box, the mud-proof inner ring and the mud-proof outer ring is internally provided with a waterproof boss, the inner side surface of the waterproof boss is connected with the upper oil seal box, and the upper end surface of the waterproof boss is connected with the mud-proof inner ring.
Preferably, the mud-proof inner ring comprises a transverse inner ring and a longitudinal inner ring which are connected in a penetrating manner to form a T shape or an L shape, the transverse inner ring is fixedly connected with the upper flange surface of the upper oil seal box, and the longitudinal inner ring is parallel to the mud-proof outer ring.
Preferably, when the mud-proof inner ring is T-shaped, the lower end face of the longitudinal inner ring is lower than the upper flange face of the upper oil seal box, and the outer side face of the waterproof boss is connected with the inner side face of the longitudinal inner ring.
Preferably, when the mud-proof inner ring is L-shaped, the lower end face of the longitudinal inner ring and the upper flange face of the upper oil seal box are located on the same horizontal line, and the outer side face of the waterproof boss and the outer side face of the longitudinal inner ring are located on the same horizontal line.
Preferably, the mud-proof inner ring is arranged between the mud-proof outer ring and the connecting flange.
Preferably, the length of the longitudinal diameter of the mud-proof outer ring is greater than that of the longitudinal diameter of the longitudinal inner ring
Preferably, the length of the longitudinal diameter of the longitudinal inner ring is larger than that of the outer side face of the connecting flange.
Preferably, the lower end face of the mud-proof outer ring is lower than the lower end face of the longitudinal inner ring.
Preferably, the lower flange surface of the driving sleeve is fixedly connected with the upper flange surface of the connecting flange through a first bolt, the lower flange surface of the connecting flange is fixedly connected with the upper flange surface of the transmission sleeve through a second bolt, the transverse inner ring is fixedly connected with the upper flange surface of the upper oil seal box through a third bolt, and the lower flange surface of the upper oil seal box is fixedly connected with the upper flange surface of the power box body through a fourth bolt.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, an inner layer and an outer layer of mud-proof inner ring and a mud-proof outer ring are respectively designed between the driving sleeve rotating at the upper end of the power head and the fixed power box body, the mud-proof inner ring and the mud-proof outer ring are mud-proof steel rings, the mud-proof inner ring is fixedly connected with the power box body, and the mud-proof outer ring is fixedly connected with the driving sleeve;
2. according to the invention, the lower end surface of the mud-proof outer ring is lower than the lower end surface of the longitudinal inner ring in the mud-proof inner ring, so that the design of the first heavy water-return boss is carried out, and then the design of the second heavy water-return boss is carried out through the waterproof boss, so that the design of the double water-return bosses is carried out through the mud-proof inner ring at the same time, when the power head is subjected to mud cleaning through a high-pressure water gun from the outside, the double water-return bosses can effectively ensure that the flushed sewage cannot enter the interior of the box body along the outer side surface of the mud-proof inner ring; meanwhile, when the power head is in a transportation state, rainwater cannot enter the power box body to pollute lubricating oil, the cleanliness of the lubricating oil in the box body is guaranteed, and the service life of the power head can be effectively prolonged;
3. under the condition that various seals are not added, the upper oil seal is in contact with the transmission sleeve to form the seal, and the rotary digging drilling machine power head can effectively prevent slurry, rainwater and the like from entering the power box body under the double states of a working state and a transportation state through simple structural design;
4. the invention has low cost, high reliability and strong practicability, and can effectively protect the power head from well running for a long time.
Drawings
FIG. 1 is a schematic view of the present invention in a transport state;
FIG. 2 is a schematic structural view of the present invention in an operating state;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-3, wherein the exemplary embodiments and descriptions of the invention are provided to illustrate the invention, but not to limit the invention.
A muddy water preventing structure suitable for multiple states of a power head comprises a driving sleeve 1, a muddy outer ring 4, a connecting flange 5, an upper oil seal box 8, an upper oil seal 9, a power box body 11 and a transmission sleeve 12, wherein the lower flange face of the driving sleeve is fixedly connected with the upper flange face of the connecting flange through a bolt I2, the outer side face of the driving sleeve is connected with the muddy outer ring, the lower flange face of the connecting flange is fixedly connected with the upper flange face of the transmission sleeve through a bolt II 3, a muddy inner ring 6 is arranged in a space formed by the driving sleeve, the connecting flange, the muddy outer ring and the transmission sleeve, the specific muddy inner ring is arranged between the muddy outer ring and the connecting flange, the muddy inner ring is connected with the upper flange face of the upper oil seal box, the lower flange face of the upper oil seal box is fixedly connected with the upper flange face of the power box through a bolt IV 10, the inner side face of the upper oil seal box is connected with the upper oil seal, go up the oil blanket and overlap the contact with the transmission and form sealedly, it seals the box, prevents that the mud inner circle and prevent being equipped with waterproof boss 14 in the accommodation space of mud outer lane to go up, the medial surface of waterproof boss links to each other with the box that seals that oils, the up end of waterproof boss with prevent that the mud inner circle links to each other, the preferred mud inner circle of preventing, prevent that mud outer lane and waterproof boss are the steel construction, and the durability is good.
The mud-proof inner ring comprises a transverse inner ring and a longitudinal inner ring which are communicated with each other to form a T shape or an L shape, the transverse inner ring is fixedly connected with an upper flange face of the upper oil seal box through a third bolt 7, the longitudinal inner ring is parallel to the mud-proof outer ring, the length of the longitudinal diameter of the mud-proof outer ring is greater than that of the longitudinal diameter of the longitudinal inner ring, the length of the longitudinal diameter of the longitudinal inner ring is greater than that of the outer side face of the connecting flange, and the lower end face of the mud-proof outer ring is lower than the lower end face of the longitudinal inner ring.
When the mud-proof inner ring is T-shaped, the lower end face of the longitudinal inner ring is lower than the upper flange face of the upper oil seal box, and the outer side face of the waterproof boss is connected with the inner side face of the longitudinal inner ring.
When the mud-proof inner ring is L-shaped, the lower end face of the longitudinal inner ring and the upper flange face of the upper oil seal box are located on the same horizontal line, and the outer side face of the waterproof boss and the outer side face of the longitudinal inner ring are located on the same horizontal line.
In the implementation process, the muddy water preventing structure 13 is specifically fixedly connected with the lower flange surface of the driving sleeve and the upper flange surface of the connecting flange through the first bolt, the lower flange surface of the connecting flange is fixedly connected with the upper flange surface of the transmission sleeve through the second bolt, the third bolt is fixedly connected with the muddy water preventing inner ring and the upper flange surface of the upper oil seal box, the lower flange surface of the upper oil seal box is fixedly connected with the upper flange surface of the power box body through the fourth bolt, the upper oil seal box is in contact with the transmission sleeve to form a seal under the condition of not increasing various seals through the installation of the muddy outer ring and the upper oil seal, the length of the longitudinal diameter of the muddy outer ring is greater than that of the longitudinal diameter of the longitudinal inner ring, the length of the longitudinal diameter of the longitudinal inner ring is greater than that of the outer side surface of the connecting flange, the special structural design that the lower end surface of the muddy outer ring is lower than that of the longitudinal inner ring realizes the first heavy backwater, and the muddy water preventing boss is connected with the longitudinal inner ring through the waterproof boss, the waterproof boss and the longitudinal inner ring are always positioned on the same horizontal plane, so that secondary water return is realized, because the rotary digging and drilling machine basically works outdoors or is exposed to the sun or drenched with rain, because of the characteristic of rotation, when the rotary digging and drilling machine is washed by a high-pressure water gun, mud or water can enter the power box body because of high pressure water gun pressure, a mud-proof sealing ring in the prior art relatively rotates without lubrication, the sealing ring is made of plastic, is easy to wear under various outdoor environments, has very short service life, also has a mud-proof outer ring structure on the market, but has a gap between the mud-proof outer ring and the power box body, mud and water can still permeate into the power box body, particularly in the transportation process, the power head falls down, rainwater can permeate into the power box body, and the scheme adopts the special structural design of the mud-proof inner ring, the mud-proof outer ring and the waterproof boss which are all made of steel structures, when the power head is cleaned by a high-pressure water gun from the outside, the dual anti-water boss design can effectively ensure that the washed sewage cannot enter the power box body along the outer side surface of the anti-mud inner ring; meanwhile, when the power head is in a transportation state, rainwater cannot enter the power box body to pollute lubricating oil, and the cleanliness of the lubricating oil in the box body is guaranteed, so that the service life of the power head can be effectively prolonged.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides a prevent muddy water structure suitable for unit head multiple status which characterized in that: including driving sleeve (1), prevent mud outer lane (4), flange (5), go up oil seal box (8), go up oil seal (9), power box (11) and transmission cover (12), the lower flange face of driving sleeve links to each other with flange's last flange face, and the lateral surface of driving sleeve connects in preventing the mud outer lane, flange's lower flange face links to each other with the last flange face of transmission cover, driving sleeve, flange, prevent being equipped with in the space that mud outer lane and transmission cover formed and prevent mud inner circle (6), it links to each other with the last flange face of last oil seal box to prevent mud inner circle, the lower flange face of last oil seal box is connected in power box, and the medial surface of last oil seal box links to each other with last oil seal, it contacts with the transmission cover and forms sealedly to go up the oil seal.
2. The mud-guard structure suitable for multiple states of a power head of claim 1, wherein: the accommodating space of the upper oil seal box, the mud-proof inner ring and the mud-proof outer ring is internally provided with a waterproof boss (14), the inner side surface of the waterproof boss is connected with the upper oil seal box, and the upper end surface of the waterproof boss is connected with the mud-proof inner ring.
3. The mud-guard structure suitable for multiple states of unit head of claim 2, wherein: the mud-proof inner ring comprises a transverse inner ring and a longitudinal inner ring which are communicated with each other to form a T shape or an L shape, the transverse inner ring is fixedly connected with the upper flange surface of the upper oil seal box, and the longitudinal inner ring is parallel to the mud-proof outer ring.
4. The mud-guard structure suitable for multiple states of unit head of claim 3, wherein: when the mud-proof inner ring is T-shaped, the lower end face of the longitudinal inner ring is lower than the upper flange face of the upper oil seal box, and the outer side face of the waterproof boss is connected with the inner side face of the longitudinal inner ring.
5. The mud-guard structure suitable for multiple states of unit head of claim 3, wherein: when the mud-proof inner ring is L-shaped, the lower end face of the longitudinal inner ring and the upper flange face of the upper oil seal box are located on the same horizontal line, and the outer side face of the waterproof boss and the outer side face of the longitudinal inner ring are located on the same horizontal line.
6. The mud-guard structure suitable for multiple states of a power head of claim 1, wherein: the mud-proof inner ring is arranged between the mud-proof outer ring and the connecting flange.
7. The mud-guard structure suitable for multiple states of a power head of claim 1, wherein: the length of the longitudinal diameter of the mud-proof outer ring is greater than that of the longitudinal diameter of the longitudinal inner ring.
8. The mud-guard structure suitable for multiple states of unit head of claim 7, wherein: the length of the longitudinal diameter of the longitudinal inner ring is larger than that of the outer side face of the connecting flange.
9. The mud-guard structure suitable for multiple states of unit head of claim 8, wherein: the lower end face of the mud-proof outer ring is lower than the lower end face of the longitudinal inner ring.
10. The mud-guard structure suitable for multiple states of a power head of claim 1, wherein: the lower flange face of the driving sleeve is fixedly connected with the upper flange face of the connecting flange through a first bolt (2), the lower flange face of the connecting flange is fixedly connected with the upper flange face of the transmission sleeve through a second bolt (3), the transverse inner ring is fixedly connected with the upper flange face of the upper oil seal box through a third bolt (7), and the lower flange face of the upper oil seal box is fixedly connected with the upper flange face of the power box body through a fourth bolt (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581699.1A CN114110143A (en) | 2021-12-22 | 2021-12-22 | Muddy water preventing structure suitable for multiple states of power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581699.1A CN114110143A (en) | 2021-12-22 | 2021-12-22 | Muddy water preventing structure suitable for multiple states of power head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114110143A true CN114110143A (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111581699.1A Pending CN114110143A (en) | 2021-12-22 | 2021-12-22 | Muddy water preventing structure suitable for multiple states of power head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114110143A (en) |
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2021
- 2021-12-22 CN CN202111581699.1A patent/CN114110143A/en active Pending
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