CN202250030U - Intelligent and flexible reinforced concrete-drilling machine - Google Patents
Intelligent and flexible reinforced concrete-drilling machine Download PDFInfo
- Publication number
- CN202250030U CN202250030U CN2011203768486U CN201120376848U CN202250030U CN 202250030 U CN202250030 U CN 202250030U CN 2011203768486 U CN2011203768486 U CN 2011203768486U CN 201120376848 U CN201120376848 U CN 201120376848U CN 202250030 U CN202250030 U CN 202250030U
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- motor
- intelligent
- drilling machine
- machine
- reinforced concrete
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Abstract
The utility model relates to an intelligent and flexible reinforced concrete-drilling machine which comprises a rack, a drill and a motor, wherein the motor is used for driving the drill to rotate and is a single-phase series motor, and the intelligent and flexible reinforced concrete drilling machine is characterized in that a gap between a stator and a rotor is between 0.65 and 0.8 millimeter. The intelligent and flexible reinforced concrete-drilling machine has a flexible function, a machine burning phenomenon is prevented, the service life of the drilling machine is greatly prolonged, and intelligent feed can be realized.
Description
Technical field
The utility model relates to steel concrete boring machine, the especially drive motors of steel concrete boring machine.
Background technology
Auger is building field a kind of tapping machine commonly used.Auger generally includes frame, is with adamantine rotary drilling-head and drill bit rotary drive motor, and drive motors often adopts the rotation of individual event series excited machine driving drill bit to carry out perforate is carried out on the body of wall or the ground of concrete or brick body.The power output of the motor of above-mentioned auger is certain; Make that the moment of torsion of drill bit is constant; Can overcome pure concrete or pure brick walling or ground perforate and run into constant resistance; Therefore the perforate effect is very good, and the hole that drill bit cutting is uniformly left is attractive in appearance, also can not injure the body of wall or the ground of hole periphery.But on producing, often run into reinforced concrete wall or ground; Because the hardness of reinforcing bar is far longer than concrete hardness, auger is when bore operation, and the change in resistance that drill bit runs into increases suddenly; The rotating speed of existing individual event series excited machine is owing to can not flexiblely reduce; The internal temperature of motor is raise, produce " burning machine " phenomenon, had a strong impact on the application life of auger.
The utility model content
The purpose of the utility model solves existing auger exactly and is prone to produce " burning machine " phenomenon, has a strong impact on the auger problem in application life.
The technical scheme that the utility model adopts is: intelligence flexible steel concrete boring machine; It comprises the motor that frame, drill bit and driving drill bit rotate; Described motor is the individual event series excited machine, it is characterized in that the stator of individual event series excited machine and gap between rotor are 0.65 ~ 0.8 millimeter.
Adopt technique scheme, the individual event series excited machine is when operation is holed, when running into the reinforcing bar of high rigidity; The individual event series excited machine can flexiblely reduce, because power output is certain, so the output torque of motor can increase; Overcome bigger resistance; Thereby can the high rigidity reinforcing bar that run into be cut, can not produce burning machine phenomenon, thereby prolong the application life of auger.
Technique scheme is based on that following understanding obtains:
From the operation logic of single-phase series motor, know following formula:
1, in P2=Mn/9.56 (W) formula: M is a rotating speed for torque n
2, M=1.6 * 10
-4In the I Φ formula: I is the input rotor current
Φ is the every utmost point magnetic flux of stator
3, n=U-IR/1.7 * 10
-9In the N Φ formula: U is an input voltage
R is a resistance
N is the conductor number of rotor winding
4、δ=（2W
1I-C）ατL／1.3ΦK
δ?
In the formula: δ is motor gas gap W
1Be the every utmost point number of turn of stator
C is a pole embrace for preset parameter α
τ is an electric machine iron core length for preset parameter L
K
δBe Carter's coefficient
Can see that from above relational expression after gap delta increases, cause electric current I to increase, thereby make torque M increase with the increase of electric current I, rotation speed n reduces with the increase of electric current I.
Further improvement as the utility model; It also comprises an intelligent feed control system; This system comprises single-chip microcomputer, and the signal input part of single-chip microcomputer links to each other with current transformer through A/D converter, and the signal output part of single-chip microcomputer links to each other with the signal input part of controlling of sampling plate; The signal output part of controlling of sampling plate links to each other with bidirectional triode thyristor with the feed servo motor respectively, and bidirectional triode thyristor is connected with the rig plug through connector.
In sum; The beneficial effect of the utility model is: because the gap increases between the stator of the individual event series excited machine of the utility model and the rotor; Can flexiblely reduce when motor is met obstructions, thereby can not produce burning machine phenomenon, prolonged the application life of auger greatly.The utility model also comprises an intelligent feed control system, can realize the feeding of auger automatically, and can be according to the hardness adjustment amount of feeding in when boring.
Description of drawings
Fig. 1 is the utility model sketch map.
Fig. 2 is the utility model motor stator and rotor sketch map.
Fig. 3 is the utility model intelligent feed control system sketch map.
The specific embodiment
The utility model intelligence flexible steel concrete boring machine; As shown in Figure 1, it comprises motor 1 and the intelligent feed control system 3 that frame, drill bit, driving drill bit rotate, and motor 1 is the individual event series excited machine; As shown in Figure 2, the stator 4 and the gap between the rotor 5 of individual event series excited machine are 0.7 millimeter.
Intelligent feed control system 3 is as shown in Figure 3; This system comprises single-chip microcomputer 6; The signal input part of single-chip microcomputer 6 links to each other with current transformer 12 through A/D converter; The signal output part of single-chip microcomputer 6 links to each other with the signal input part of controlling of sampling plate 7, and the signal output part of controlling of sampling plate 7 links to each other with bidirectional triode thyristor 9 with feed servo motor 8 respectively, and bidirectional triode thyristor 9 is connected with rig plug 11 through connector 10.
Claims (2)
1. intelligence flexible steel concrete boring machine, it comprises the motor (1) that frame, drill bit and driving drill bit rotate, described motor (1) is the individual event series excited machine, it is characterized in that the stator (4) of individual event series excited machine and the gap between the rotor (5) they are 0.65 ~ 0.8 millimeter.
2. intelligence flexible steel concrete boring machine according to claim 1; It is characterized in that it also comprises an intelligent feed control system (3); This system comprises single-chip microcomputer (6); The signal input part of single-chip microcomputer (6) links to each other with current transformer (12) through A/D converter; The signal output part of single-chip microcomputer (6) links to each other with the signal input part of controlling of sampling plate (7), and the signal output part of controlling of sampling plate (7) links to each other with bidirectional triode thyristor (9) with feed servo motor (8) respectively, and bidirectional triode thyristor (9) is connected with rig plug (11) through connector (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203768486U CN202250030U (en) | 2011-09-30 | 2011-09-30 | Intelligent and flexible reinforced concrete-drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203768486U CN202250030U (en) | 2011-09-30 | 2011-09-30 | Intelligent and flexible reinforced concrete-drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250030U true CN202250030U (en) | 2012-05-30 |
Family
ID=46111289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203768486U Expired - Fee Related CN202250030U (en) | 2011-09-30 | 2011-09-30 | Intelligent and flexible reinforced concrete-drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250030U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994507A (en) * | 2010-11-12 | 2011-03-30 | 铜陵精盛微特机电有限责任公司 | Intelligent flexible reinforced concrete drilling machine |
-
2011
- 2011-09-30 CN CN2011203768486U patent/CN202250030U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994507A (en) * | 2010-11-12 | 2011-03-30 | 铜陵精盛微特机电有限责任公司 | Intelligent flexible reinforced concrete drilling machine |
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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: 20120530 Termination date: 20140930 |
|
| EXPY | Termination of patent right or utility model |