CN201747297U - Propelling mechanism of logistic spiral mold surface connecting drill - Google Patents
Propelling mechanism of logistic spiral mold surface connecting drill Download PDFInfo
- Publication number
- CN201747297U CN201747297U CN2010202784059U CN201020278405U CN201747297U CN 201747297 U CN201747297 U CN 201747297U CN 2010202784059 U CN2010202784059 U CN 2010202784059U CN 201020278405 U CN201020278405 U CN 201020278405U CN 201747297 U CN201747297 U CN 201747297U
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- logatithmic spiral
- logistic
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Abstract
The utility model discloses a propelling mechanism of a logistic spiral mold surface connecting drill, which comprises a driving motor, a chain wheel, a compression nut, a dustproof sealing device, a bearing A, an intermediate shaft, a bearing B, a base, a nut, a chain, a bracket, a chain supporting shaft, a driven chain wheel, a chain wheel adjusting device and a propelling beam. The propelling mechanism is characterized in that firstly both the cross sections of the inner hole of the chain wheel and the excircle of the intermediate shaft adopt logistic spirals or the equidistant curves of logistic spirals; and the inner hole of the chain wheel and the excircle of the intermediate shaft are matched to form logistic spiral mold surface keyless connection. As the mechanism is based on a universal chain propelling mechanism, both the cross sections of the inner hole of the chain wheel and the excircle of the intermediate shaft adopt logistic spirals or the equidistant curves of logistic spirals, and the inner hole of the chain wheel and the excircle of the intermediate shaft are matched to form logistic spiral mold surface keyless connection, the propelling mechanism overcomes the deficiency that the existing drill propelling mechanism adopts flat key connection or spline connection, and a rock drilling machine propelling mechanism which has high automatic centering capability, and is suitable for heavy load, convenient for disassembly, simple in matched section shape and large in transmission torque, is provided for the drill.
Description
Technical field
The utility model relates to a kind of drilling machine advancing mechanism, particularly relates to a kind of logatithmic spiral profile and connects drilling machine advancing mechanism, 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.
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 the cooperation cross sectional shape is simple, transfer torque big, the logatithmic spiral profile of suitable heavy load connects drilling machine advancing mechanism.
In order to solve the problems of the technologies described above, the drilling machine advancing mechanism that the logatithmic spiral profile that the utility model is designed connects, form 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, its feature is: 1. the cross section of sprocket wheel endoporus, jackshaft cylindrical is the equidistant curve of logatithmic spiral or logatithmic spiral, and sprocket wheel endoporus, jackshaft cylindrical cooperate formation logatithmic spiral profile keyless; 2. described 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, be connected with coupling block by rotary pair in the middle of the chain, coupling block is consolidated with pin, and the other end of pin is enclosed within on the carriage, and the sprocket wheel adjusting device is fixed on the forward beam; 3. described logatithmic spiral is the closed curve that three sections equal logatithmic spirals and the equal straight line interconnection of three segment length form; 4. the hole of described logatithmic spiral profile and shaft section vertically are columns, or taper; 5. described driven sprocket is logatithmic spiral 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 logatithmic spiral or logatithmic spiral, the sprocket wheel endoporus, the jackshaft cylindrical cooperates formation logatithmic spiral 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 propulsive mechanism overcomes the deficiency that existing drilling machine advancing mechanism adopts flat key or splined, logatithmic spiral profile and logatithmic spiral equidistant profile are applied to rig thrust power mechanism, can provide a kind of self-centering capability strong for rig, easy accessibility, the cooperation cross sectional shape is simple, transfer torque big, the rock drilling machinery propulsive mechanism of suitable 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 logatithmic spiral profile hole;
Fig. 3 is a structural representation vertical view of the present utility model;
Fig. 4 is that schematic diagram is looked on a structural representation of the present utility model left side.
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 logatithmic spiral profile connects, 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 are formed, its feature is: sprocket wheel 2 endoporus, the cross section of jackshaft 6 cylindricals is the equidistant curve (the logatithmic spiral profile is the closed curve that is formed by the straight line interconnection that three sections equal logatithmic spirals and three segment length equate) of logatithmic spiral or logatithmic spiral, sprocket wheel 2 endoporus, jackshaft 6 cylindricals cooperate formation logatithmic spiral 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, 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 logatithmic spiral profile and shaft section vertically can be columns, also can be tapers.The sprocket bearing axle is logatithmic spiral 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 logarithmic spiral curve, be polar angle with θ, a, m are constant, the utmost point directly is:
ρ＝ae
mθ
Selected 0≤θ≤θ
0Three sections log spirals connect and form formation, when
The time, connect the formation profile with straightway between each section logatithmic spiral and connect profile.
The utility model is the drilling machine advancing mechanism that the logatithmic spiral profile connects and uses this profile to connect.The hole that the logatithmic spiral profile connects is the equidistant curve of logarithmic spiral curve and logarithmic spiral curve with the cross-sectional boundaries curve of axle.Logatithmic spiral profile of the present utility model is the closed curve that is formed by the straight line interconnection that three sections equal logatithmic spirals and three segment length equate.
Sprocket wheel endoporus shown in Figure 2 is R=15, m=0.15,
The profile that three sections logatithmic spirals and three segment length straight lines intersect and are formed by connecting.
Claims (5)
1. the drilling machine advancing mechanism that connects of logatithmic spiral profile, form 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, it is characterized in that: the cross section of sprocket wheel endoporus, jackshaft cylindrical is the equidistant curve of logatithmic spiral or logatithmic spiral, and sprocket wheel endoporus, jackshaft cylindrical cooperate formation logatithmic spiral profile keyless.
2. the drilling machine advancing mechanism that logatithmic spiral profile according to claim 1 connects, it is characterized in that: described 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, is connected with coupling block by rotary pair in the middle of the chain, and 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.
3. the drilling machine advancing mechanism that logatithmic spiral profile according to claim 1 and 2 connects is characterized in that: described logatithmic spiral is the closed curve that three sections equal logatithmic spirals and the equal straight line interconnection of three segment length form.
4. the drilling machine advancing mechanism that logatithmic spiral profile according to claim 1 and 2 connects, it is characterized in that: the hole of described logatithmic spiral profile and shaft section vertically are columns, or taper.
5. the drilling machine advancing mechanism that logatithmic spiral profile according to claim 1 and 2 connects is characterized in that: described driven sprocket is logatithmic spiral profile connection or integrally manufactured with the form that connects of sprocket bearing axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202784059U CN201747297U (en) | 2010-07-28 | 2010-07-28 | Propelling mechanism of logistic spiral mold surface connecting drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202784059U CN201747297U (en) | 2010-07-28 | 2010-07-28 | Propelling mechanism of logistic spiral mold surface connecting drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201747297U true CN201747297U (en) | 2011-02-16 |
Family
ID=43581980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202784059U Expired - Fee Related CN201747297U (en) | 2010-07-28 | 2010-07-28 | Propelling mechanism of logistic spiral mold surface connecting drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201747297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155152A (en) * | 2011-03-11 | 2011-08-17 | 湖南恒至凿岩科技有限公司 | Gadder borer-turning mechanism connected with cosine tooth profile |
| CN106930794A (en) * | 2017-03-17 | 2017-07-07 | 桂林电子科技大学 | Engine assembly formula camshaft internal high pressure forming attachment structure |
-
2010
- 2010-07-28 CN CN2010202784059U patent/CN201747297U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155152A (en) * | 2011-03-11 | 2011-08-17 | 湖南恒至凿岩科技有限公司 | Gadder borer-turning mechanism connected with cosine tooth profile |
| CN106930794A (en) * | 2017-03-17 | 2017-07-07 | 桂林电子科技大学 | Engine assembly formula camshaft internal high pressure forming attachment structure |
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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: 20110216 Termination date: 20140728 |
|
| EXPY | Termination of patent right or utility model |