CN201826776U - Drill advancing mechanism in three-circular-arc equidistant profile connection - Google Patents
Drill advancing mechanism in three-circular-arc equidistant profile connection Download PDFInfo
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- CN201826776U CN201826776U CN2010202779008U CN201020277900U CN201826776U CN 201826776 U CN201826776 U CN 201826776U CN 2010202779008 U CN2010202779008 U CN 2010202779008U CN 201020277900 U CN201020277900 U CN 201020277900U CN 201826776 U CN201826776 U CN 201826776U
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- sprocket
- chain
- bearing
- sprocket wheel
- jackshaft
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Abstract
A drill advancing mechanism in three-circular-arc equidistant profile connection is based on a universal chain propelling mechanism. Both an inner hole of a sprocket and the cross section of an outer circle of an intermediate shaft are three-arc equidistant curves; the inner hole of the sprocket matches with the cross section of the outer circle of the intermediate shaft to be in three-arc equidistant profile keyless connection; a driving motor is fixed onto a base; the base is fixed onto a propelling beam; an output shaft of the driving motor is connected with the intermediate shaft; the intermediate shaft is supported on the base; a nut matching with the intermediate shaft is used for positioning a bearing B; the sprocket is axially fixed by a gland nut; one end of a chain meshes with the sprocket; the other end of the chain meshes with a driven sprocket on a chain supporting shaft connected with a sprocket adjusting device; a connecting block is connected to the middle of the chain; a pin is fixed onto the connecting block; the other end of the pin is sleeved on a bracket; and the sprocket adjusting device is fixed onto the propelling beam. The drill advancing mechanism is high in automatic centering capability, convenient in assembly and disassembly, simple in matching section shape and large in transfer torque, is capable of eliminating stress concentration, and is suitable for serving as a heavy-load rock drilling mechanical advancing mechanism.
Description
Technical field
The utility model relates to a kind of drilling machine advancing mechanism, particularly relates to the drilling machine advancing mechanism that a kind of three-arc equidistant profile connects, and belongs to the rock drilling machinery equipment technical field.
Technical background
Various rigs are widely used in the engineering explosion hole drill cutter operations such as metallurgy, railway, mine, building materials, highway.Drilling machine advancing mechanism is one of critical component of rig, and it is a kind of mechanism commonly used that chain advances, but driving shaft is many with flat key or splined with connecting of sprocket wheel, and key connecting is to be used for realizing power between axle and the wheel hub and the most common connecting mode that moves and transmit.Common key connects, exist that intensity is low, sharp corner stress concentrates, can not self-centering etc. shortcoming, some shortcomings that splined can avoid common key to connect, but still exist defectives such as processing on can not eliminate stress concentrated, centering and the special purpose machine tool, assembling inconvenience, inconvenient maintenance.The utility model is applied to rig thrust power mechanism with three segmental arc equidistant profiles, for rig provides a kind of self-centering capability strong, easy accessibility, it is concentrated to eliminate stress, and cooperates the rock drilling machinery propulsive mechanism that the simple transfer torque of cross sectional shape is big, be fit to heavy load.
Summary of the invention
For overcoming the above-mentioned defective of existing drilling machine advancing mechanism, the utility model provides a kind of self-centering capability strong, easy accessibility, it is concentrated to eliminate stress, and cooperates the drilling machine advancing mechanism that cross sectional shape is simple, transfer torque big, the three-arc equidistant profile of suitable heavy load connects.
In order to solve the problems of the technologies described above, the drilling machine advancing mechanism that the three-arc equidistant profile that the utility model is designed connects, by CD-ROM drive motor, sprocket wheel, clamp nut, dust seal, bearing A, jackshaft, bearing B, base, nut, chain, carriage, chain bolster and driven sprocket, sprocket wheel adjusting device and forward beam are formed, be characterized in: 1. sprocket wheel endoporus, the cross section of jackshaft cylindrical is three segmental arc equidistant curves, the sprocket wheel endoporus, the jackshaft cylindrical cooperates formation three segmental arc equidistant profiles keyless, CD-ROM drive motor is by being bolted on the base, base is by being bolted on the forward beam, the output shaft of CD-ROM drive motor connects with jackshaft by flat key or spline, jackshaft is bearing on the base by bearing A and bearing B, bearing A left end is equipped with dust seal, with the jackshaft nut engaged bearing B is located, clamp nut axial restraint sprocket wheel, chain one end and sprocket engagement, the driven sprocket engagement of the other end and chain bolster, the chain bolster connects with the sprocket wheel adjusting device by rotary pair, be connected with coupling block by rotary pair in the middle of the chain, coupling block is consolidated with pin, the other end of pin is enclosed within on the carriage, and the sprocket wheel adjusting device is fixed on the forward beam; 2. three segmental arc equidistant curves are orthodrome and the three sections closed curves that the equal roundlet arc interconnection of radius forms that equated by three sections radiuses, and the distance between any two parallel tangents is a steady state value on this closed curve; 3. the hole of three segmental arc equidistant profiles and shaft section vertically are columns, or taper; 4. driven sprocket is three segmental arc equidistant profiles connection or integrally manufactured with the form that connects of sprocket bearing axle.
Compared with prior art, the utility model has following progress: because this mechanism adopts general chain propulsive mechanism to be the basis, the sprocket wheel endoporus, the cross section of jackshaft cylindrical is three segmental arc equidistant curves, the sprocket wheel endoporus, the jackshaft cylindrical cooperates formation three segmental arc equidistant profiles keyless, CD-ROM drive motor is by being bolted on the base, base is by being bolted on the forward beam, the output shaft of CD-ROM drive motor connects with jackshaft by key or spline, jackshaft is bearing on the base by bearing A and bearing B, bearing A left end is equipped with dust seal, with the jackshaft nut engaged bearing B is located, clamp nut axial restraint sprocket wheel, chain one end and sprocket engagement, on the other end and the chain bolster from sprocket engagement, the chain bolster connects with the sprocket wheel adjusting device by rotary pair, be connected with coupling block by rotary pair in the middle of the chain, be consolidated with pin on the coupling block, the other end of pin is enclosed within on the carriage, and the sprocket wheel adjusting device is fixed on the forward beam; Therefore this drilling machine advancing mechanism overcomes the deficiency that existing drilling machine advancing mechanism adopts flat key or splined, three segmental arc equidistant profiles are applied to rig thrust power mechanism, for rig provides a kind of self-centering capability strong, easy accessibility, it is concentrated to eliminate stress, and cooperates the rock drilling machinery propulsive mechanism that the simple transfer torque of cross sectional shape is big, be fit to heavy load.
Description of drawings
Fig. 1 is an actuating unit structural representation of the present utility model;
Fig. 2 is the sprocket wheel structure structural representation with three-arc isometric type face;
Fig. 3 is the structure structural representation of overlooking of the present utility model;
Fig. 4 is a left TV structure schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified:
With reference to accompanying drawing: the drilling machine advancing mechanism that the three-arc equidistant profile of designing connects, it is by CD-ROM drive motor 1, sprocket wheel 2, clamp nut 3, dust seal 4, bearing A5, jackshaft 6, bearing B7, base 8, nut 9, chain 10, carriage 11, chain bolster and driven sprocket 12, sprocket wheel adjusting device 13 and forward beam 14 are formed, its feature is: sprocket wheel 2 endoporus, the cross section of jackshaft 6 cylindricals is three segmental arc equidistant curves, and (this curve is orthodrome and the three sections closed curves that the equal roundlet arc interconnection of radius forms that equated by three sections radiuses, and the distance between any two parallel tangents is a steady state value on this closed curve), sprocket wheel 2 endoporus, jackshaft 6 cylindricals cooperate formation three segmental arc equidistant profiles keyless, CD-ROM drive motor 1 is by being bolted on the base 8, base 8 is by being bolted on the forward beam 14, the output shaft of CD-ROM drive motor 1 connects with jackshaft 6 by key or spline, jackshaft 6 is bearing on the base 8 by bearing A5 and bearing B7, bearing A5 left end is equipped with dust seal 4, with 9 pairs of bearing B7 location of jackshaft 6 nut engaged, clamp nut 3 axial restraint sprocket wheels 2, chain 10 1 ends and sprocket wheel 2 engagements, driven sprocket engagement on the other end and the chain bolster, the chain bolster connects with sprocket wheel adjusting device 13 by rotary pair, be connected with coupling block by rotary pair in the middle of the chain 10, be consolidated with pin on the coupling block, the other end of pin is enclosed within on the carriage 11, and sprocket wheel adjusting device 13 is fixed on the forward beam 14.The hole of three segmental arc equidistant profiles and shaft section vertically can be columns, also can be tapers.The sprocket bearing axle is three segmental arc equidistant profiles connection or integrally manufactured with the form that connects of driven sprocket 12.Hammer drill and turning power head are fixed on the carriage 11.The revolution of sprocket wheel 2 drives the rectilinear motion of chain 10, moves down at forward beam 14 by the coupling block on the chain condition 10 and from coupling block pin drive carriage 11.
Claims (3)
1. the drilling machine advancing mechanism that connects of three-arc equidistant profile, by CD-ROM drive motor, sprocket wheel, clamp nut, dust seal, bearing A, jackshaft, bearing B, base, nut, chain, carriage, chain bolster and driven sprocket, sprocket wheel adjusting device and forward beam are formed, it is characterized in that: the sprocket wheel endoporus, the cross section of jackshaft cylindrical is three segmental arc equidistant curves, promptly this curve is orthodrome and the three sections closed curves that the equal roundlet arc interconnection of radius forms that equated by three sections radiuses, and the distance between any two parallel tangents is a steady state value on this closed curve; The sprocket wheel endoporus, the jackshaft cylindrical cooperates formation three segmental arc equidistant profiles keyless, CD-ROM drive motor is by being bolted on the base, base is by being bolted on the forward beam, the output shaft of CD-ROM drive motor connects with jackshaft by flat key or spline, jackshaft is bearing on the base by bearing A and bearing B, bearing A left end is equipped with dust seal, with the jackshaft nut engaged bearing B is located, clamp nut axial restraint sprocket wheel, chain one end and sprocket engagement, driven sprocket engagement on the other end and the chain bolster, the chain bolster connects by rotary pair with the sprocket wheel adjusting device, and by being connected with coupling block by rotary pair, coupling block is consolidated with pin in the middle of the chain, the other end of pin is enclosed within on the carriage, and the sprocket wheel adjusting device is fixed on the forward beam.
2. the drilling machine advancing mechanism that three-arc equidistant profile according to claim 1 connects, it is characterized in that: the hole of described three segmental arc equidistant profiles and shaft section vertically are columns, or taper.
3. the drilling machine advancing mechanism that three-arc equidistant profile according to claim 1 connects is characterized in that: described driven sprocket is three segmental arc equidistant profiles connection or integrally manufactured with the form that connects of sprocket bearing axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202779008U CN201826776U (en) | 2010-07-23 | 2010-07-23 | Drill advancing mechanism in three-circular-arc equidistant profile connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202779008U CN201826776U (en) | 2010-07-23 | 2010-07-23 | Drill advancing mechanism in three-circular-arc equidistant profile connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201826776U true CN201826776U (en) | 2011-05-11 |
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ID=43965319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202779008U Expired - Fee Related CN201826776U (en) | 2010-07-23 | 2010-07-23 | Drill advancing mechanism in three-circular-arc equidistant profile connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201826776U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865070A (en) * | 2012-09-19 | 2013-01-09 | 中国海洋石油总公司 | Positioned backup device |
| CN106737796A (en) * | 2016-12-29 | 2017-05-31 | 南京信息职业技术学院 | A kind of quick-changing mechanism for multi-functional mechanical wrist portion |
| CN108942090A (en) * | 2018-02-07 | 2018-12-07 | 赵国英 | A kind of equidistant arc surface and processing unit (plant) |
-
2010
- 2010-07-23 CN CN2010202779008U patent/CN201826776U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865070A (en) * | 2012-09-19 | 2013-01-09 | 中国海洋石油总公司 | Positioned backup device |
| CN102865070B (en) * | 2012-09-19 | 2016-02-03 | 中国海洋石油总公司 | A kind of locate mode pushing device |
| CN106737796A (en) * | 2016-12-29 | 2017-05-31 | 南京信息职业技术学院 | A kind of quick-changing mechanism for multi-functional mechanical wrist portion |
| CN106737796B (en) * | 2016-12-29 | 2023-06-16 | 南京信息职业技术学院 | Quick-change mechanism for multifunctional mechanical arm part |
| CN108942090A (en) * | 2018-02-07 | 2018-12-07 | 赵国英 | A kind of equidistant arc surface and processing unit (plant) |
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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: 20110511 Termination date: 20140723 |
|
| EXPY | Termination of patent right or utility model |