CN204877260U - Dig rig unit head soon and dig rig soon - Google Patents
Dig rig unit head soon and dig rig soon Download PDFInfo
- Publication number
- CN204877260U CN204877260U CN201520297765.6U CN201520297765U CN204877260U CN 204877260 U CN204877260 U CN 204877260U CN 201520297765 U CN201520297765 U CN 201520297765U CN 204877260 U CN204877260 U CN 204877260U
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- Prior art keywords
- bolt hole
- drive sleeve
- ball bearing
- deep groove
- groove ball
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Abstract
The utility model provides a dig rig unit head soon and dig rig soon should dig the rig unit head soon and include gear case structure, planetary reducer, motor and carriage, the motor sets up planetary reducer's input, planetary reducer's output with initiative gear connection in the gear case structure, be provided with first multirow bolt hole on the at least symmetric position in gear case structure both sides, correspond on the carriage the position of first multirow bolt hole is provided with second multirow bolt hole, the box with the carriage passes through the screw in second multirow bolt hole with a plurality of bolted connection in the first multirow bolt hole. According to the utility model discloses a rig unit head is dug soon, through first multirow bolt hole and the butt joint of second multirow bolt hole different rows, the distance between slide and the transmission cover center can be adjusted on the carriage to realized that an unit head satisfies different specification rotary drill's requirement, is favorable to reducing development cost.
Description
Technical field
The utility model belongs to engineering machinery field, is specifically related to a kind of rotary digging drill power head and rotary drilling rig.
Background technology
When rotary drilling rig enters rock, unit head applies high pulling torque work to drilling rod and constantly carries out impact operation, and drilling rod can stressed beat; Add that the shearing of drill bit to rock causes speed to change along with drill bit change in resistance, bring high-amplitude, high-frequency vibration to drilling rod.Beat and vibration are directly delivered to the drive sleeve of unit head by drilling rod, and drive sleeve installs to be bearing on unit head gear-box, so cause the easily vibrated damage with impacting of unit head gear-box, reliability and stability is poor.
In addition, rotary drilling rig specification on market is a lot, even the rotary drilling rig that output torque is more or less the same, also there is certain difference in the distance between its travelling carriage sliding way and drive sleeve center, and thus its unit head of rotary drilling rig on the market can not meet the rotary drilling rig of plurality of specifications.
Utility model content
Technical problem to be solved in the utility model can not meet the rotary drilling rig of plurality of specifications and the defect of reliability and stability difference for its unit head of existing rotary drilling rig, provides a kind of rotary digging drill power head.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
A kind of rotary digging drill power head is provided, comprise gear box structure, planetary reducer, motor and travelling carriage, described motor is arranged on the input of described planetary reducer, and the output of described planetary reducer is connected with the driving gear in described gear box structure, wherein
Described gear box structure comprises casing, the case lid be arranged on described casing, be arranged in described casing and intermeshing driving gear be connected with described driven gear with driven gear drive sleeve, the first deep groove ball bearing being arranged on described drive sleeve upper end, be arranged on described drive sleeve lower end the second deep groove ball bearing and to be arranged in described drive sleeve and pivoting support between described first deep groove ball bearing and the second deep groove ball bearing, described driving gear is connected with described body pivot; The inner peripheral surface of described first deep groove ball bearing and the inner peripheral surface of described second deep groove ball bearing are all fitted with the intimate of described drive sleeve, the outer peripheral surface of described first deep groove ball bearing and the outer peripheral surface of described second deep groove ball bearing all fit tightly with the inwall of described casing, a radial clearance is reserved with between the inner peripheral surface of described pivoting support and described drive sleeve, upper surface and the described driven gear of described pivoting support fit tightly, and the soffit of described pivoting support and the inwall of described casing fit tightly; The axial outboard end of described first deep groove ball bearing and the second deep groove ball bearing compresses respectively by upper end cover and bottom end cover;
At least one place, described gear box structure both sides symmetric position is provided with first more and arranges bolt hole, on described travelling carriage, corresponding described more than first positions of arranging bolts hole are provided with second more and arrange bolt hole, and described casing and described travelling carriage are arranged bolt hole be connected with described more than the first multiple bolts arranged in bolt hole by being screwed in described more than second.
Further, two place's symmetric positions of described casing both sides are provided with first more and arrange bolt hole.
Further, described more than first row's bolts hole comprise in four horizontal three 12 vertical bolts hole, and described more than second row's bolts hole comprise in four horizontal two eight vertical bolts hole, and the quantity of described bolt corresponds to the quantity of bolt hole in described more than second row's bolts hole.
Further, described casing is provided with upper bearing (metal) and lower bearing, the two ends of described driving gear are separately positioned in described upper bearing (metal) and lower bearing.
According to rotary digging drill power head of the present utility model, drive sleeve takes pivoting support and upper and lower side respectively to arrange the supporting locate mode of a deep groove ball bearing, directly enhance the carrying of unit head and the anti-ability to drilling rod beat, thus make gear-box reliable and stable, greatly reduce because external vibration causes the generation of unit head failure phenomenon, relative to prior art, have the following advantages:
(1) overall structure is reliable, and the bearing of increase is standard component, easily realizes.
(2) improve the reliability of gear-box, shock resistance, maintainability, also improve the resistance to overturning of unit head; The probability of the vibrated failure accidents of unit head is greatly reduced.
(3) while abatement vibration, decrease unnecessary energy consumption, operating efficiency have also been obtained raising.
In addition, according to rotary digging drill power head of the present utility model, at least one place, described gear box structure both sides symmetric position is provided with first more and arranges bolt hole, on described travelling carriage, the position of corresponding described more than first row's bolts hole is provided with second more and arranges bolt hole, described casing and described travelling carriage are arranged bolt hole be connected with described more than the first multiple bolts arranged in bolt hole by being screwed in described more than second, like this, the docking of bolt hole different row is arranged by more than first row's bolts hole and more than second, the distance between travelling carriage sliding way and drive sleeve center can be adjusted, thus achieve the requirement that a kind of unit head meets different size rotary rig, be conducive to reducing development cost.
In addition, the utility model additionally provides a kind of rotary drilling rig, and it comprises above-mentioned rotary digging drill power head and drilling rod, and described drilling rod is connected in the drive sleeve of described rotary digging drill power head.
Further, described drilling rod is connected in the drive sleeve of described rotary digging drill power head by key bar.
Further, the keyway in described drive sleeve adopts dovetail groove.
According to rotary drilling rig of the present utility model, be connected between drive sleeve with drilling rod by key bar, the keyway in drive sleeve adopts the form of structure of dovetail groove, better can prevent loosening of key bar like this, reduce the specification of standard component simultaneously, reduce the cost of unit head.
Accompanying drawing explanation
Fig. 1 is the internal construction schematic diagram of the gear box structure of the rotary digging drill power head that the utility model one embodiment provides;
Fig. 2 is the external structure schematic diagram of the gear box structure of the rotary digging drill power head that the utility model one embodiment provides;
Fig. 3 is the structural representation of the rotary digging drill power head that the utility model one embodiment provides.
Reference numeral in Figure of description is as follows:
1, casing; 2, case lid; 3, driving gear; 4, driven gear; 5, drive sleeve; 6, the first deep groove ball bearing; 7, pivoting support; 8, the second deep groove ball bearing; 9, gear box structure; 10, planetary reducer; 11, motor; 12, travelling carriage; 20, arrange bolt hole first more; 21, bolt hole; 30, bolt; 111, upper end cover; 112, bottom end cover.
Detailed description of the invention
The technical problem solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are described in further detail the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1 to Fig. 3, the rotary digging drill power head that the utility model one embodiment provides comprises gear box structure 9, planetary reducer 10, motor 11 and travelling carriage 12.
In the present embodiment, described gear box structure 9 comprises casing 1, the case lid 2 be arranged on described casing, be arranged in described casing 1 and intermeshing driving gear 3 be connected with described driven gear 4 with driven gear 4 drive sleeve 5, the first deep groove ball bearing 6 being arranged on described drive sleeve 5 upper end, be arranged on described drive sleeve 5 lower end the second deep groove ball bearing 8 and to be arranged in described drive sleeve 5 and between described first deep groove ball bearing 6 and the second deep groove ball bearing 8 pivoting support 7, described driving gear is connected with described body pivot; The inner peripheral surface of described first deep groove ball bearing 6 and the inner peripheral surface of described second deep groove ball bearing 8 are all fitted with the intimate of described drive sleeve 5, the outer peripheral surface of described first deep groove ball bearing 6 and the outer peripheral surface of described second deep groove ball bearing 8 all fit tightly with the inwall of described casing 1, a radial clearance is reserved with between the inner peripheral surface of described pivoting support 7 and described drive sleeve 5, upper surface and the described driven gear 4 of described pivoting support 7 fit tightly, and the soffit of described pivoting support 7 and the inwall of described casing 1 fit tightly; The axial outboard end of described first deep groove ball bearing and the second deep groove ball bearing compresses respectively by upper end cover and bottom end cover.Like this, achieve the radial direction of drive sleeve 5 spacing by the first deep groove ball bearing 6 and the second deep groove ball bearing 8, and make the first deep groove ball bearing 6 and the second deep groove ball bearing 8 mainly bear the radial load of drive sleeve, small part bears the axial force of drive sleeve; And the axial location of drive sleeve 5 is achieved by pivoting support 7, and make pivoting support 7 mainly bear the axial force of drive sleeve, small part bears the radial load of drive sleeve.
In the present embodiment, described motor 11 is arranged on the input of described planetary reducer 10, and the output of described planetary reducer 10 is connected with the driving gear 3 in described gear box structure 9.
In the present embodiment, at least one place, described gear box structure 9 both sides symmetric position is provided with first more and arranges bolt hole 20, on described travelling carriage 12, the positions of corresponding described more than first row's bolts hole 20 are provided with the bolt hole of row more than second (not shown), and described casing 1 and described travelling carriage 12 pass through to screw in described more than second and arrange bolt hole and be connected with described more than the first multiple bolts 30 arranged in bolt hole 20.Preferably, as shown in Figures 2 and 3, two place's symmetric positions of described casing 1 both sides are provided with first more and arrange bolt hole 20, accordingly, corresponding described more than first two positions, place of arranging bolts hole 20 are provided with second more for described travelling carriage 12 and arrange bolt hole.As a specific embodiment, described more than first row's bolts hole 20 comprise in four horizontal three 12 vertical bolts hole 21, described more than second row's bolts hole comprise eight bolts hole indulged in four horizontal two and (are blocked by bolt, do not indicate in figure), the quantity of described bolt 21 corresponds to the quantity of bolt hole in described more than second row's bolts hole, and namely the quantity of bolt is 32 (8, positions, place).
Certainly, according to different needs, the bolt hole of row more than first 20 and more than second row's bolts hole can also have other form, in addition, bolt 21 also can be fewer than the quantity of bolt hole in the bolt hole of row more than second, as long as ensure that gear box structure 9 is firm with the connection of travelling carriage 12.
In the present embodiment, described casing 1 is provided with upper bearing (metal) and lower bearing, the two ends of described driving gear 3 are separately positioned in described upper bearing (metal) and lower bearing.
According to the rotary digging drill power head of the utility model above-described embodiment, drive sleeve takes pivoting support and upper and lower side respectively to arrange the supporting locate mode of a deep groove ball bearing, directly enhance the carrying of unit head and the anti-ability to drilling rod beat, thus make gear-box reliable and stable, greatly reduce because external vibration causes the generation of unit head failure phenomenon, relative to prior art, have the following advantages:
(1) overall structure is reliable, and the bearing of increase is standard component, easily realizes.
(2) improve the reliability of gear-box, shock resistance, maintainability, also improve the resistance to overturning of unit head; The probability of the vibrated failure accidents of unit head is greatly reduced.
(3) while abatement vibration, decrease unnecessary energy consumption, operating efficiency have also been obtained raising.
In addition, according to the rotary digging drill power head of the utility model above-described embodiment, at least one place, described gear box structure both sides symmetric position is provided with first more and arranges bolt hole, on described travelling carriage, the position of corresponding described more than first row's bolts hole is provided with second more and arranges bolt hole, described casing and described travelling carriage are arranged bolt hole be connected with described more than the first multiple bolts arranged in bolt hole by being screwed in described more than second, like this, the docking of bolt hole different row is arranged by more than first row's bolts hole and more than second, the distance between travelling carriage sliding way and drive sleeve center can be adjusted, thus achieve the requirement that a kind of unit head meets different size rotary rig, be conducive to reducing development cost.
In addition, the utility model one embodiment still provides a kind of rotary drilling rig, and it comprises above-mentioned rotary digging drill power head and drilling rod, and described drilling rod is connected in the drive sleeve of described rotary digging drill power head.
In the present embodiment, described drilling rod is connected in the drive sleeve of described rotary digging drill power head by key bar.
In the present embodiment, the keyway in described drive sleeve adopts dovetail groove.
According to the rotary drilling rig of the utility model above-described embodiment, be connected by key bar between drive sleeve with drilling rod, the keyway in drive sleeve adopts the form of structure of dovetail groove, better can prevent loosening of key bar like this, reduce the specification of standard component simultaneously, reduce the cost of unit head.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a rotary digging drill power head, comprise gear box structure, planetary reducer, motor and travelling carriage, described motor is arranged on the input of described planetary reducer, and the output of described planetary reducer is connected with the driving gear in described gear box structure, it is characterized in that
Described gear box structure comprises casing, the case lid be arranged on described casing, be arranged in described casing and intermeshing driving gear be connected with described driven gear with driven gear drive sleeve, the first deep groove ball bearing being arranged on described drive sleeve upper end, be arranged on described drive sleeve lower end the second deep groove ball bearing and to be arranged in described drive sleeve and pivoting support between described first deep groove ball bearing and the second deep groove ball bearing, described driving gear is connected with described body pivot; The inner peripheral surface of described first deep groove ball bearing and the inner peripheral surface of described second deep groove ball bearing are all fitted with the intimate of described drive sleeve, the outer peripheral surface of described first deep groove ball bearing and the outer peripheral surface of described second deep groove ball bearing all fit tightly with the inwall of described casing, a radial clearance is reserved with between the inner peripheral surface of described pivoting support and described drive sleeve, upper surface and the described driven gear of described pivoting support fit tightly, and the soffit of described pivoting support and the inwall of described casing fit tightly; The axial outboard end of described first deep groove ball bearing and the second deep groove ball bearing compresses respectively by upper end cover and bottom end cover;
At least one place, described gear box structure both sides symmetric position is provided with first more and arranges bolt hole, on described travelling carriage, corresponding described more than first positions of arranging bolts hole are provided with second more and arrange bolt hole, and described casing and described travelling carriage are arranged bolt hole be connected with described more than the first multiple bolts arranged in bolt hole by being screwed in described more than second.
2. rotary digging drill power head according to claim 1, is characterized in that, two place's symmetric positions of described casing both sides is provided with first more and arranges bolt hole.
3. rotary digging drill power head according to claim 1 and 2, described more than first row's bolts hole comprise in four horizontal three 12 vertical bolts hole, described more than second row's bolts hole comprise in four horizontal two eight vertical bolts hole, and the quantity of described bolt corresponds to the quantity of bolt hole in described more than second row's bolts hole.
4. rotary digging drill power head according to claim 1, is characterized in that, described casing is provided with upper bearing (metal) and lower bearing, and the two ends of described driving gear are separately positioned in described upper bearing (metal) and lower bearing.
5. a rotary drilling rig, is characterized in that, comprises the rotary digging drill power head described in claim 1-4 any one and drilling rod, and described drilling rod is connected in the drive sleeve of described rotary digging drill power head.
6. rotary drilling rig according to claim 5, is characterized in that, described drilling rod is connected in the drive sleeve of described rotary digging drill power head by key bar.
7. rotary drilling rig according to claim 6, is characterized in that, the keyway in described drive sleeve adopts dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520297765.6U CN204877260U (en) | 2015-05-11 | 2015-05-11 | Dig rig unit head soon and dig rig soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520297765.6U CN204877260U (en) | 2015-05-11 | 2015-05-11 | Dig rig unit head soon and dig rig soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204877260U true CN204877260U (en) | 2015-12-16 |
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ID=54821643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520297765.6U Expired - Fee Related CN204877260U (en) | 2015-05-11 | 2015-05-11 | Dig rig unit head soon and dig rig soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204877260U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761705A (en) * | 2019-11-14 | 2020-02-07 | 徐州健川机械制造有限公司 | Power head with damping function for rotary drilling rig |
| CN110761704A (en) * | 2019-11-12 | 2020-02-07 | 徐州健川机械制造有限公司 | Power head of rotary drilling rig |
-
2015
- 2015-05-11 CN CN201520297765.6U patent/CN204877260U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761704A (en) * | 2019-11-12 | 2020-02-07 | 徐州健川机械制造有限公司 | Power head of rotary drilling rig |
| CN110761705A (en) * | 2019-11-14 | 2020-02-07 | 徐州健川机械制造有限公司 | Power head with damping function for rotary drilling rig |
| CN110761705B (en) * | 2019-11-14 | 2021-05-18 | 徐州健川机械制造有限公司 | Power head with damping function for rotary drilling rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |