CN216843018U - 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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- CN216843018U CN216843018U CN202123247028.XU CN202123247028U CN216843018U CN 216843018 U CN216843018 U CN 216843018U CN 202123247028 U CN202123247028 U CN 202123247028U CN 216843018 U CN216843018 U CN 216843018U
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Abstract
The utility model relates to a prevent muddy water structure suitable for unit head multiple status, it includes the driving sleeve, prevents mud outer lane, flange, seals the box on, goes up oil blanket, power box and transmission cover, and 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, and 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 the mud inner circle, prevent that the mud inner circle links to each other with the last flange face that seals the box on, and the lower flange face that seals the box on connects in power box, and the medial surface that seals the box on and last oil blanket and transmission cup joint and touch and form sealedly. The utility model discloses a simple structural design can realize rotatory rig unit head of digging under the two-state of operating condition and transport condition all can effectually prevent that mud, rainwater etc. from getting into in the power box to effectively protect the long-term good operation of unit head.
Description
Technical Field
The utility model relates to a prevent mud and invade structure, a prevent mud and water structure suitable for unit head multiple status specifically says so.
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.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a realize digging the rig unit head under operating condition, transport state two-state, all can effectually prevent mud, rainwater etc. to get into the interior muddy water structure that prevents that is applicable to unit head multiple state of power box.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a prevent muddy water structure suitable for unit head multistation, includes the driving sleeve, prevents mud outer lane, flange, goes up 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, prevent mud outer lane and transmission cover formed and prevent the mud inner circle, prevent that the mud inner circle links to each other with the last flange face of last oil blanket box, the lower flange face of last oil blanket box is connected in power box, and the medial surface of last oil blanket box links to each other with last oil blanket, it contacts 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 utility model discloses following beneficial effect has:
1. the utility model discloses a in the middle of rotatory drive sleeve in unit head upper end and fixed power box, two-layer interior outer anti-mud inner circle and mud-proof outer lane have been designed respectively, and the mud-proof inner circle and mud-proof outer lane are the mud-proof steel ring, and the mud-proof inner circle is connected fixedly with power box, and mud-proof outer lane and drive sleeve fixed connection, during the construction state, when mud piles up on the box, the inside and outside two-layer mud-proof steel ring all can effectually prevent that mud from getting into the power box inside;
2. the utility model discloses a lower terminal surface of mud-proof outer lane is less than the lower terminal surface of the vertical inner circle in the mud-proof inner circle and carries out the design of heavy anti-water boss of first, and then carries out the design of heavy anti-water boss of second through waterproof boss to carry out the design of heavy anti-water boss simultaneously through the mud-proof inner circle, when the external world carries out mud cleaning to the unit head through the high-pressure squirt, the design of heavy anti-water boss can effectively ensure that the sewage that washes can not get into the box inside along the lateral surface of mud-proof inner circle; 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. the utility model has the advantages that under the condition that various seals are not added, the upper oil seal is contacted with the transmission sleeve to form the seal, and the rotary digging and drilling machine power head can effectively prevent mud, rainwater and the like from entering the power box body under the double states of the working state and the transportation state through simple structural design;
4. the utility model discloses with low costs, the reliability is high, the practicality is strong, can effectively protect the long-term good operation of unit head.
Drawings
FIG. 1 is a schematic structural view of the utility model in a transportation 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 present invention will be described in detail with reference to fig. 1-3, wherein exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present 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 is equipped with waterproof boss 14 to go up the oil blanket box, prevent the mud inner circle and prevent being equipped with in the accommodation space of mud outer lane, the medial surface of waterproof boss links to each other with last oil blanket box, 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, 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 above embodiments are only applicable to help understand 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 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 unit head of claim 3, 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 |
|---|---|---|---|
| CN202123247028.XU CN216843018U (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 |
|---|---|---|---|
| CN202123247028.XU CN216843018U (en) | 2021-12-22 | 2021-12-22 | Muddy water preventing structure suitable for multiple states of power head |
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| Publication Number | Publication Date |
|---|---|
| CN216843018U true CN216843018U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123247028.XU Active CN216843018U (en) | 2021-12-22 | 2021-12-22 | Muddy water preventing structure suitable for multiple states of power head |
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| CN (1) | CN216843018U (en) |
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2021
- 2021-12-22 CN CN202123247028.XU patent/CN216843018U/en active Active
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