CN201408970Y - Electric scraper cable reel with automatic matching rotating speed - Google Patents
Electric scraper cable reel with automatic matching rotating speed Download PDFInfo
- Publication number
- CN201408970Y CN201408970Y CN2009200645665U CN200920064566U CN201408970Y CN 201408970 Y CN201408970 Y CN 201408970Y CN 2009200645665 U CN2009200645665 U CN 2009200645665U CN 200920064566 U CN200920064566 U CN 200920064566U CN 201408970 Y CN201408970 Y CN 201408970Y
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- tension
- reel
- rotating speed
- drum
- electric lhd
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Abstract
An electric scraper cable reel with automatic matching rotating speed comprises a reel mechanism (1), a reversing mechanism (2), a guiding mechanism (3), a hydraulic motor (4) and a tension detectingcontrol device. The tension detecting control device comprises a tension detector (51), a tension controller (52) and a proportional valve (53), wherein the tension detector (51) is mounted on the guiding mechanism (3), the proportional valve (53) is mounted in a hydraulic system of the hydraulic motor (4), and the tension detector (51) and the proportional valve (53) are connected with the tension controller (52) via cables. The electric scraper cable reel can automatically adjust rotating speed of the reel mechanism (1) according to tension force of wound cables, and is particularly adaptable to electric scrapers for underground mining.
Description
Technical field
The utility model relates to a kind of electric LHD cable drum, and particularly a kind of rotating speed is the electric LHD cable drum of coupling automatically.
Background technology
At present, the electric LHD that in mining, uses, cable drum on it has three kinds of mechanical type cable drum, electrodynamic type cable drum and fluid pressure type cable drums, and wherein the fluid pressure type cable drum is divided into three kinds of travel switch formulas, hydraulic power commutation type, cable rolling slide block type again; Because the machine driving workability is not good, so the mechanical type cable drum is not suitable for being used for underground electric LHD; More existing electrodynamic type cable drum more complicated, the fault on any link all will jeopardize the safety of cable, therefore use less on underground electric LHD; It is good that the fluid pressure type cable drum has synchronism, easy to operate, is easy to advantages such as automatic control and maintenance, now is widely used in the underground electric LHD.But; this fluid pressure type cable drum that uses also has the following disadvantages at present: at the electric LHD of underground use; on the one hand because twisted and released of the cable speed is relevant with the speed of service of electric LHD; on the other hand because the cable drum of electric LHD is the wide reel of major diameter; cable is on reel during folding and unfolding; by the volume cable floor with layer between the different linear velocities of folding and unfolding cable that also cause of radius inequality; spool velocity is too fast to snap cable or spool velocity is crossed slow and cable is dragged accident such as damaged by pressure on the ground owing to the reason of these two aspects occurs through regular meeting, and this situation causes very big threat to the safe operation of underground electric LHD.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and the automatically electric LHD cable drum of coupling of a kind of rotating speed is provided, and it can be according to by the rotating speed of the tension force size automatic adjustment reel of volume cable.
The technical solution of the utility model is: a kind of rotating speed is the electric LHD cable drum of coupling automatically, and it comprises drum mechanism built, changement, guiding mechanism, hydraulic motor and tension force detection control apparatus; The tension force detection control apparatus comprises tension detector, tension controller and proportioning valve, and tension detector is installed on the guiding mechanism, and proportioning valve is installed in the hydraulic system of hydraulic motor, and tension detector is connected with tension controller by cable with proportioning valve.
The further technical scheme of the utility model is: described guiding mechanism comprises back barrel roll, support, edger roll, guide holder and preceding barrel roll; Tension detector is installed on the back barrel roll of guiding mechanism.
The utility model further technical scheme is: described changement comprises driving handle, sleeve, retainer, gland, double helix axle and steel ball; Sleeve is installed in the driving handle, and retainer is installed in the sleeve, and gland is installed on the driving handle by bolt; The double helix axle is provided with positive and negative bidirectional screw groove, and the double helix axle passes from gland and retainer; Steel ball is four, and it is divided into left steel ball, right steel ball and two middle steel balls, and four steel balls are installed in the double helix axial screw groove by retainer.
The further again technical scheme of the utility model is: described drum mechanism built comprises slip ring tube, carbon brush assembling, hollow shaft, reel, bearing pedestal, reel hinge wheel, reel minor sprocket and copper ring.
The utility model compared with prior art has following characteristics:
1, formed the circulation feedback chain of the cable stretch signal of a complete detection, processing, control by the tension force detection control apparatus, made the speed of service of the folding and unfolding speed of cable and electric LHD cable drum can linear matched.The utility model has reduced the artificial on-the-spot loaded down with trivial details link of adjusting, reduced the working service cost, what is more important has reduced greatly that cable snaps or cable drags the accident of being damaged by pressure on the ground, has improved the security of operation of underground electric LHD and operating personnel's personal safety.
2, changement of the present utility model adopts four steel ball location and guiding, it has reduced parts such as snap ring, compensating element, elasticity guide pin bushing existing relatively changement, make its designs simplification, cost reduces, parts are made handling ease, and assembling is also further simplified, and it not only can commutate flexibly, and its running steadily, reliable, for underground electric LHD cable drum safe, work and give security reliably.
Below in conjunction with the drawings and specific embodiments detailed structure of the present utility model is further described.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model drum mechanism built;
Fig. 3 is the structural representation of the utility model changement;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the structural representation of the utility model guiding mechanism.
Embodiment
Embodiment
As shown in Figure 1: a kind of rotating speed is the electric LHD cable drum of coupling automatically, it comprises drum mechanism built 1, changement 2, guiding mechanism 3, hydraulic motor 4 and tension force detection control apparatus, and drum mechanism built 1, changement 2, guiding mechanism 3 and hydraulic motor 4 are installed on the electric LHD 6; The tension force detection control apparatus comprises tension detector 51, tension controller 52 and proportioning valve 53, tension detector 51 is installed on the guiding mechanism 3, proportioning valve 53 is installed in the hydraulic system of hydraulic motor 4, and tension detector 51 is connected with tension controller 52 by cable with proportioning valve 53.
As shown in Figure 2: drum mechanism built 1 comprises slip ring tube 11, carbon brush assembling 12, hollow shaft 13, reel 14, bearing pedestal 15, reel hinge wheel 16, reel minor sprocket 17 and copper ring 18.
As shown in Figure 3-4: changement 2 comprises driving handle 21, sleeve 22, retainer 23, gland 24, double helix axle 25 and steel ball; Sleeve 22 is installed in the driving handle 21, and retainer 23 is installed in the sleeve 22, and gland 24 is provided with the hole that double helix axle 25 passes, and gland 24 is installed on the driving handle 21 by bolt; Double helix axle 25 is provided with positive and negative bidirectional screw groove, and double helix axle 25 passes from gland 24 and retainer 23; Steel ball is four, and it is divided into left steel ball 261, right steel ball 262 and two middle steel balls (263,264), and four steel balls are installed in the spiral grooves of double helix axle 25 by retainer 23.
As shown in Figure 5: guiding mechanism 3 comprises back barrel roll 31 (tension detector), support 32, edger roll 33, guide holder 34 and preceding barrel roll 35; Tension detector 51 is installed on the back barrel roll 31 of guiding mechanism 3.
Operation principle: the variation of reel 14 convoluting speeds of the drum mechanism built of electric LHD cable drum causes by the volume cable stretch and changes, cable stretch changes the signal that is sent the tension force sizes by tension detector 51 detection backs to tension controller 52, tension controller 52 is handled according to the signal that the tension detector 51 that receives sends the tension force size, send a control signal to proportioning valve 53 then, regulate the valve size of proportioning valve 53, control the rotating speed of hydraulic motor 4 by the fluid power size of control hydraulic motor 4, the change in rotational speed of hydraulic motor 4 is reacted on the convoluting speed of reel 14 of drum mechanism built, realize the purpose of convoluting speed of the reel 14 of automatic adjustment reel mechanism through circulation feedback, formed a complete detection by the tension force detection control apparatus like this, handle, the circulation feedback chain of the cable stretch signal of control, make the speed of service of the folding and unfolding speed of cable and electric LHD cable drum can linear matched, the rotating speed that reaches reel 14 mates purpose automatically.The utility model has reduced the artificial on-the-spot loaded down with trivial details link of adjusting, reduced the working service cost, what is more important has reduced greatly that cable snaps or cable drags the accident of being damaged by pressure on the ground, has improved the security of operation of underground electric LHD and operating personnel's personal safety.
The utility model is not limited to above-mentioned concrete structure, just drops within the protection range of the present utility model as long as comprise the electric LHD cable drum of the automatic coupling of rotating speed of tension force detection control apparatus of the present utility model.
Claims (5)
1, the electric LHD cable drum of the automatic coupling of a kind of rotating speed, it comprises drum mechanism built (1), changement (2), guiding mechanism (3) and hydraulic motor (4), it is characterized in that: it also comprises the tension force detection control apparatus, the tension force detection control apparatus comprises tension detector (51), tension controller (52) and proportioning valve (53), tension detector (51) is installed on the guiding mechanism (3), proportioning valve (53) is installed in the hydraulic system of hydraulic motor (4), and tension detector (51) is connected with tension controller (52) by cable with proportioning valve (53).
2, the electric LHD cable drum of the automatic coupling of rotating speed according to claim 1 is characterized in that: described guiding mechanism (3) comprises back barrel roll (31), support (32), edger roll (33), guide holder (34) and preceding barrel roll (35); Tension detector (51) is installed on the back barrel roll (31) of guiding mechanism (3).
3, the electric LHD cable drum of the automatic coupling of rotating speed according to claim 1 and 2, it is characterized in that: described changement (2) comprises driving handle (21), sleeve (22), retainer (23), gland (24), double helix axle (25) and steel ball; Sleeve (22) is installed in the driving handle (21), and retainer (23) is installed in the sleeve (22), and gland (24) is installed on the driving handle (21) by bolt; Double helix axle (25) is provided with positive and negative bidirectional screw groove, and double helix axle (25) passes from gland (24) and retainer (23); Steel ball is four, and it is divided into left steel ball (261), right steel ball (262) and two middle steel balls (263,264), and four steel balls are installed in the spiral grooves of double helix axle (25) by retainer (23).
4, the electric LHD cable drum of the automatic coupling of rotating speed according to claim 1 and 2 is characterized in that: described drum mechanism built (1) comprises slip ring tube (11), carbon brush assembling (12), hollow shaft (13), reel (14), bearing pedestal (15), reel hinge wheel (16), reel minor sprocket (17) and copper ring (18).
5, the electric LHD cable drum of the automatic coupling of rotating speed according to claim 3 is characterized in that: described drum mechanism built (1) comprises slip ring tube (11), carbon brush assembling (12), hollow shaft (13), reel (14), bearing pedestal (15), reel hinge wheel (16), reel minor sprocket (17) and copper ring (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200645665U CN201408970Y (en) | 2009-05-22 | 2009-05-22 | Electric scraper cable reel with automatic matching rotating speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200645665U CN201408970Y (en) | 2009-05-22 | 2009-05-22 | Electric scraper cable reel with automatic matching rotating speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408970Y true CN201408970Y (en) | 2010-02-17 |
Family
ID=41679917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200645665U Expired - Fee Related CN201408970Y (en) | 2009-05-22 | 2009-05-22 | Electric scraper cable reel with automatic matching rotating speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408970Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751690A (en) * | 2012-06-28 | 2012-10-24 | 三一集团有限公司 | Leadfair and power supply unit |
| CN103149959A (en) * | 2013-03-26 | 2013-06-12 | 上海海事大学 | Digital electric hydraulic control system for retraction and release of offshore spill oil recovery treatment device |
| CN107128750A (en) * | 2017-06-28 | 2017-09-05 | 北京石油化工学院 | Novel robot umbilical cables reeling-up reeling-out device |
-
2009
- 2009-05-22 CN CN2009200645665U patent/CN201408970Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751690A (en) * | 2012-06-28 | 2012-10-24 | 三一集团有限公司 | Leadfair and power supply unit |
| CN102751690B (en) * | 2012-06-28 | 2015-10-28 | 三一海洋重工有限公司 | A kind of fairlead and electric supply installation |
| CN103149959A (en) * | 2013-03-26 | 2013-06-12 | 上海海事大学 | Digital electric hydraulic control system for retraction and release of offshore spill oil recovery treatment device |
| CN103149959B (en) * | 2013-03-26 | 2015-06-03 | 上海海事大学 | Digital electric hydraulic control system for retraction and release of offshore spill oil recovery treatment device |
| CN107128750A (en) * | 2017-06-28 | 2017-09-05 | 北京石油化工学院 | Novel robot umbilical cables reeling-up reeling-out device |
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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: 20100217 Termination date: 20150522 |
|
| EXPY | Termination of patent right or utility model |