CN202047745U - Drilling machine advancing mechanism connected by cosine tooth profile molded surface - Google Patents
Drilling machine advancing mechanism connected by cosine tooth profile molded surface Download PDFInfo
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- CN202047745U CN202047745U CN2011201624184U CN201120162418U CN202047745U CN 202047745 U CN202047745 U CN 202047745U CN 2011201624184 U CN2011201624184 U CN 2011201624184U CN 201120162418 U CN201120162418 U CN 201120162418U CN 202047745 U CN202047745 U CN 202047745U
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Abstract
The utility model relates to a drilling machine advancing mechanism connected by a cosine tooth profile molded surface. The drilling machine advancing mechanism is characterized in that cross sections of an inner hole of a chain wheel and an excircle of a middle shaft are both cosine tooth profile curves or cosine tooth profile conjugated curves; the inner hole of the chain wheel and the excircle of the middle shaft are matched to form a cosine tooth profile molded surface keyless connection; a drive motor is fixed on a base; the base is fixed on an advancing beam; the output shaft of the drive motor is connected with the middle shaft; the middle shaft is supported on the base; the chain wheel is axially fixed by a compression nut; one end of a chain is engaged with the chain wheel, and the other end of the chain is engaged with a driven chain wheel of a chain support shaft; the chain support shaft is connected with a chain wheel adjustment device; a connection block is connected in the middle of the chain; the connection block is fixedly connected with a pin; the other end of the pin is sleeved on a bracket; and the chain wheel adjustment device is fixed on the advancing beam. The drilling machine advancing mechanism connected by the cosine tooth profile molded surface overcomes the defect of flat key connection or multiple key connection adopted by the existing drilling machine advancing mechanism, has strong automatic centering capacity, is convenient to disassemble and assemble, concentrated stress is eliminated, the matched section shape is simple, and the transmission torque is large, and the drilling machine advancing mechanism is suitable to be used as a rock drilling machinery advancing mechanism with heavy load.
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 cosine flank profil profile connects, and belongs to the rock drilling machinery apparatus field.
Background technology
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 deficiencies such as processing on can not eliminate stress concentrated, centering and the special purpose machine tool, assembling inconvenience, inconvenient maintenance.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of self-centering capability strong, and 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 cosine flank profil profile of suitable heavy load connects.
In order to solve the problems of the technologies described above, the drilling machine advancing mechanism that cosine flank profil profile described in the utility model connects, it is 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 the curve of cosine tooth curve or cosine flank profil conjugation, the sprocket wheel endoporus, the jackshaft cylindrical cooperates formation cosine flank profil profile 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. the cosine tooth curve is meant cosine curve or its equidistant curve as the profile contour curve, comprises that also the curve of cosine flank profil conjugation or its equidistant curve are as the profile contour curve; 3. the hole of cosine flank profil profile and shaft section vertically are columns, or taper; 4. driven sprocket is cosine flank profil profile 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 the equidistant curve of cosine flank profil or cosine tooth curve, the sprocket wheel endoporus, the jackshaft cylindrical cooperates formation cosine flank profil profile 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 has overcome the deficiency that existing drilling machine advancing mechanism adopts flat key or splined, cosine flank profil profile and equidistant profile thereof 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 chain sprocket structure schematic diagram that the utlity model has cosine flank profil profile hole;
Fig. 3 is a structural representation vertical view of the present utility model;
Fig. 4 is a structural representation left view of the present utility model.
Among the figure: 1, CD-ROM drive motor 2, sprocket wheel 3, clamp nut 4, dust seal 5, bearing A 6, jackshaft 7, bearing B 8, base 9, nut 10, chain 11, carriage 12, chain bolster and driven sprocket 13, sprocket wheel adjusting device 14, forward beam.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
With reference to accompanying drawing: the drilling machine advancing mechanism that the cosine flank profil profile of designing connects, it comprises 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, its feature is: sprocket wheel 2 endoporus, the cross section of jackshaft 6 cylindricals is the equidistant curve of cosine tooth curve or cosine flank profil, be that the cosine tooth curve is meant cosine curve or its equidistant curve as the profile contour curve, comprise that also the curve of cosine flank profil conjugation or its equidistant curve are as the profile contour curve; Sprocket wheel 2 endoporus, jackshaft 6 cylindricals cooperate formation cosine flank profil profile 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, is connected with coupling block by rotary pair in the middle of the chain 10, is 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 cosine flank profil profile and shaft section vertically can be columns, also can be tapers.The sprocket bearing axle is cosine flank profil profile 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.Hammer drill and turning power head are fixed on 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.
In order better to understand the cosine tooth curve, further specify as follows:
If the number of teeth of gear 1 is
, modulus is
,
For tooth top (root) height, with corner
Be parameter, the rectangular equation of cosine flank profil is
The rectangular equation of conjugate profiles is:
In the formula,
Use the better effects if of odd number tooth cosine flank profil profile.The utility model is the drilling machine advancing mechanism that cosine flank profil profile connects and uses this profile to connect.The hole that cosine flank profil profile connects is the cosine tooth curve of cosine tooth curve or its conjugation with the cross-sectional boundaries curve of axle.The cosine tooth curve is meant cosine curve or its equidistant curve as the profile contour curve, comprises that also the curve of cosine flank profil conjugation or its equidistant curve are as the profile contour curve.Sprocket wheel endoporus shown in Figure 2 is
The cosine tooth curve.
Claims (4)
1. the drilling machine advancing mechanism that connects of a cosine flank profil profile, it is 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 the curve of cosine tooth curve or cosine flank profil conjugation, the sprocket wheel endoporus, the jackshaft cylindrical cooperates formation cosine flank profil profile 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, chain is middle by being connected with coupling block by rotary pair, 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.. the drilling machine advancing mechanism that cosine flank profil profile according to claim 1 connects is characterized in that: described cosine tooth curve be meant cosine curve or its equidistant curve as the curve of profile contour curve, cosine flank profil conjugation or its equidistant curve as the profile contour curve.
3. the drilling machine advancing mechanism that cosine flank profil profile according to claim 1 connects, it is characterized in that: the hole of described cosine flank profil profile and shaft section vertically are columns, or taper.
4. the drilling machine advancing mechanism that cosine flank profil profile according to claim 1 connects is characterized in that: described driven sprocket is cosine flank profil profile connection or integrally manufactured with the form that connects of sprocket bearing axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201624184U CN202047745U (en) | 2011-05-20 | 2011-05-20 | Drilling machine advancing mechanism connected by cosine tooth profile molded surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201624184U CN202047745U (en) | 2011-05-20 | 2011-05-20 | Drilling machine advancing mechanism connected by cosine tooth profile molded surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202047745U true CN202047745U (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201624184U Expired - Fee Related CN202047745U (en) | 2011-05-20 | 2011-05-20 | Drilling machine advancing mechanism connected by cosine tooth profile molded surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202047745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410952A (en) * | 2013-08-21 | 2013-11-27 | 湖南恒至凿岩科技有限公司 | High-level elliptic swing movable tooth transmission device |
-
2011
- 2011-05-20 CN CN2011201624184U patent/CN202047745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410952A (en) * | 2013-08-21 | 2013-11-27 | 湖南恒至凿岩科技有限公司 | High-level elliptic swing movable tooth transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20140520 |