CN201850016U - Headframe hoisting device with lifting control system - Google Patents
Headframe hoisting device with lifting control system Download PDFInfo
- Publication number
- CN201850016U CN201850016U CN2010205479611U CN201020547961U CN201850016U CN 201850016 U CN201850016 U CN 201850016U CN 2010205479611 U CN2010205479611 U CN 2010205479611U CN 201020547961 U CN201020547961 U CN 201020547961U CN 201850016 U CN201850016 U CN 201850016U
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- control
- descending
- phase
- switch
- break contact
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Abstract
The utility model relates to the field of automatic control equipment for a hoisting device, in particular to a headframe hoisting device with a lifting control system. The headframe hoisting device comprises a driving motor (11), a transmission device (12), a hoisting rope (13) and a hoisting frame (14), and is characterized in that a limit control circuit (7) is further included; and the limit control circuit (7) consists of an uplink control contactor (1), a downlink control contactor (2), an uplink startup normally-opened button (3), a downlink startup normally-opened button (4), an upward limit travel switch (51), a downward limit travel switch (52) and a master control stroke normally-closed button (6). The headframe hoisting device has the advantages of simple structure, convenience in operation and maintenance, safety and reliability.
Description
Technical field
The utility model relates to the automatic control device field of bont, is specially a kind of derrick bont that has lift control system.
Background technology
The derrick lifting means is widely used in anti-unit construction, the smooth operation of derrick lifting means is extremely important, still, and present control to the derrick lifting means, majority also rests on eyesight, the M/C, poor stability, reliability is low, and some has adopted autonomous cruise speed system, but equipment complexity, involve great expense, antijamming capability is low, uses inconvenience.
The utility model content
In order to overcome the defective of prior art, a kind of bont safe and reliable, easy to use, simple in structure is provided, the utility model discloses a kind of derrick bont that has lift control system.
The utility model reaches goal of the invention by following technical solution:
A kind of derrick bont that has lift control system, comprise CD-ROM drive motor, driving device, lifting rope and raising legs, the rotating shaft of CD-ROM drive motor is connected with driving device, one end of lifting rope is connected with driving device and the other end ties up to the top of raising legs, CD-ROM drive motor is connected with power supply by the power circuit that is in series with the master control switch, it is characterized in that: also comprise spacing control circuit, spacing control circuit is by the upload control contactless switch, descending control contactor, up startup making button, descending startup making button, go up to limitation travel switch, form to limitation travel switch and the moving disconnected button of stroke master control down
Up startup making button, go up and to be connected in series successively to the break contact (b) of the break contact (a) of limitation travel switch, descending control contactor and the coil (a) of upload control contactless switch, a moving together contact (c) of upload control contactless switch is connected in parallel on the two ends of up startup making button;
Descending startup making button, be connected in series successively to the break contact (a) of limitation travel switch, the break contact (b) of upload control contactless switch and the coil (a) of descending control contactor down, a moving together contact (c) of descending control contactor is connected in parallel on the two ends of descending startup making button;
Up startup making button, go up break contact (a) to limitation travel switch, the break contact of descending control contactor (b), on a moving together contact (c) composition of coil of upload control contactless switch (a) and upload control contactless switch to control circuit (a), descending startup making button, following break contact (a) to limitation travel switch, the break contact of upload control contactless switch (b), a moving together contact (c) of coil of descending control contactor (a) and descending control contactor is formed down to control circuit (b), go up to control circuit (a) and be composed in series spacing control circuit with the moving button that breaks of stroke master control again after the parallel connection mutually to control circuit (b) down, spacing control circuit is parallel on the two-phase phase line of power supply;
Other 3 moving together contact of descending control contactor connect the two-phase phase line of power circuit successively, in addition 3 moving together contact of upload control contactless switch are connected on respectively on each phase phase line of power circuit, and 3 moving together contact in addition of upload control contactless switch all are located at respectively between 3 moving together contact in addition and power circuit phase line point of connection of descending control contactor;
Go up break contact to limitation travel switch and be fixed on the raising legs to the extreme position that moves, the break contact to limitation travel switch is fixed under the raising legs to the extreme position that moves down;
CD-ROM drive motor is selected three-phase motor for use.
The described derrick bont that has lift control system, it is characterized in that: also comprise thermal relay and phase sequence open-phase relay, the resistor wire of thermal relay is connected in the power circuit that connects CD-ROM drive motor and power supply, be parallel on the two-phase phase line of power supply after the break contact series connection of spacing control circuit and thermal relay, the phase sequence open-phase relay is parallel on the three-phase phase line of the power circuit between power supply and the spacing control circuit again.
The described derrick bont that has lift control system, it is characterized in that: also comprise overweight limit switch, videotape probe, monitoring device, alarm bell, indicator lamp and control panel, overweight limit switch is located at guiding on the pulley of lifting rope, videotaping probe is located in the raising legs, videotaping probe is connected with monitoring device by lead, alarm bell all is connected with spacing control circuit by lead with indicator lamp, videotapes probe, monitoring device, alarm bell and indicator lamp and also is connected with control panel by order wire.
When the utility model uses, spacing control circuit provides constraints to moving up and down of raising legs, and when pressing up startup making button, the coil of upload control contactless switch powers up, the moving together contact of upload control contactless switch is all closed, and this moment, CD-ROM drive motor was rotated in the forward and the traction enhancement frame moves up.When raising legs moved to end position, last break contact to limitation travel switch was raised frame and rushes open, the coil blackout of upload control contactless switch, and the moving together contact of upload control contactless switch all disconnects, the CD-ROM drive motor stall.
Desire to make raising legs to move to reversing sense, can press descending startup making button, then the coil of descending control contactor powers up, and the moving together contact of descending control contactor is all closed, and CD-ROM drive motor contrarotation this moment and traction enhancement frame move down.When raising legs moved to down to end position, following break contact to limitation travel switch was raised frame and rushes open, the coil blackout of descending control contactor, and the moving together contact of descending control contactor all disconnects, the CD-ROM drive motor stall.
Thermal relay plays overload protective function, and when CD-ROM drive motor made main circuit current by CD-ROM drive motor excessive owing to overload, the resistor wire of thermal relay was heated and makes break contact disconnect, cut-out power circuit and playing a protective role.The phase sequence open-phase relay is used in time cutting off main circuit power when power supply produces open-phase fault, ensures the safe operation of derrick lifting means.
Installed videotape probe, monitoring device, alarm bell, indicator lamp and control panel after, can grasp and control the operation conditions of bont more directly perceived, accurately, timely.
The beneficial effects of the utility model are: simple in structure, operation and maintenance is convenient, and is safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is schematic circuit diagram of the present utility model;
Fig. 3 is the schematic circuit diagram of the present utility model that are provided with thermal relay and phase sequence open-phase relay;
Fig. 4 is provided with the structural representation of the present utility model that videotapes probe and overweight limit switch;
Fig. 5 be provided with overweight limit switch, videotape probe, the structural representation of the present utility model of monitoring device, alarm bell, indicator lamp and control panel.
The specific embodiment
Below further specify the utility model by specific embodiment.
Embodiment 1
A kind of derrick bont that has lift control system, comprise CD-ROM drive motor 11, driving device 12, lifting rope 13, raising legs 14 and spacing control circuit 7, as shown in Figure 1, concrete structure is: the rotating shaft of CD-ROM drive motor 11 is connected with driving device 12, one end of lifting rope 13 is connected with driving device 12 and the other end ties up to the top of raising legs 14, as shown in Figure 2, CD-ROM drive motor 11 is connected with power supply by the power circuit that is in series with master control switch 15, also comprise, spacing control circuit 7 is by upload control contactless switch 1, descending control contactor 2, up startup making button 3, descending startup making button 4, go up to limitation travel switch 51, form to limitation travel switch 52 and the moving disconnected button 6 of stroke master control down
Up startup making button 3, go up and to be connected in series successively to the break contact 51a of limitation travel switch 51, the break contact 2b of descending control contactor 2 and the coil 1a of upload control contactless switch 1, a moving together contact 1c of upload control contactless switch 1 is connected in parallel on the two ends of up startup making button 3;
Descending startup making button 4, be connected in series successively to the break contact 52a of limitation travel switch 52, the break contact 1b of upload control contactless switch 1 and the coil 2a of descending control contactor 2 down, a moving together contact 2c of descending control contactor 2 is connected in parallel on the two ends of descending startup making button 4;
Up startup making button 3, go up break contact 51a to limitation travel switch 51, the break contact 2b of descending control contactor 2, on the moving together contact 1c composition of the coil 1a of upload control contactless switch 1 and upload control contactless switch 1 to control circuit 7a, descending startup making button 4, following break contact 52a to limitation travel switch 52, the break contact 1b of upload control contactless switch 1, a moving together contact 2c of the coil 2a of descending control contactor 2 and descending control contactor 2 forms down to control circuit 7b, go up to control circuit 7a and be composed in series spacing control circuit 7 with the moving disconnected button 6 of stroke master control with following again after the mutual parallel connection of control circuit 7b, spacing control circuit 7 is parallel on the two-phase phase line of power supply;
Other 3 moving together contact 2c of descending control contactor 2 connect the two-phase phase line of power circuit successively, in addition 3 moving together contact 1c of upload control contactless switch 1 are connected on respectively on each phase phase line of power circuit, and 3 moving together contact 1c in addition of upload control contactless switch 1 are located at respectively between 3 the moving together contact 2c in addition and power circuit phase line point of connection of descending control contactor 2;
Go up to the break contact 51a of limitation travel switch 51 and be fixed on the raising legs 14, be fixed on raising legs 14 times to the extreme position that moves to the break contact 52a of limitation travel switch 52 down to the extreme position that moves;
CD-ROM drive motor 11 is selected three-phase motor for use.
When present embodiment uses, moving up and down of 7 pairs of raising legss 14 of spacing control circuit provides constraints, when pressing up startup making button 3, the coil 1a of upload control contactless switch 1 powers up, the moving together contact 1c of upload control contactless switch 1 is closed, and this moment, CD-ROM drive motor 11 was rotated in the forward and traction enhancement frame 14 moves up.When raising legs 14 moves to end position, upward be raised frame 14 and rush open to the break contact 51a of limitation travel switch 51, the coil 1a outage of upload control contactless switch 1, the moving together contact 1c of upload control contactless switch 1 disconnects, CD-ROM drive motor 11 stalls.
Desire to make raising legs 14 to move to reversing sense, can press descending startup making button 4, the coil 2a of then descending control contactor 2 powers up, and the moving together contact 2c of descending control contactor 2 is closed, and CD-ROM drive motor 11 contrarotations this moment and traction enhancement frame 14 move down.When raising legs 14 moves to down to end position, be raised frame 14 to the break contact 52a of limitation travel switch 52 down and rush open, the coil 2a outage of descending control contactor 2, the moving together contact 2c of descending control contactor 2 disconnects, CD-ROM drive motor 11 stalls.
Embodiment 2
A kind of derrick bont that has lift control system, comprise CD-ROM drive motor 11, driving device 12, lifting rope 13, raising legs 14 and spacing control circuit 7, as shown in Figure 3, also comprise thermal relay 8 and phase sequence open-phase relay 9, the resistor wire of thermal relay 8 is connected in the power circuit that connects CD-ROM drive motor 11 and power supply, be parallel on the two-phase phase line of power supply after the break contact 8b series connection of spacing control circuit 7 and thermal relay 8, phase sequence open-phase relay 9 is parallel on the three-phase phase line of the power circuit between power supply and the spacing control circuit 7 again.Other structures are all same with embodiment 1.
When present embodiment uses; 8 overload protective functions of thermal relay; when CD-ROM drive motor 11 made main circuit current by CD-ROM drive motor excessive owing to overload, the resistor wire 8a of thermal relay 8 was heated and makes break contact 8b disconnect, cut-out power circuit and playing a protective role.Phase sequence open-phase relay 9 is used in time cutting off main circuit power when power supply produces open-phase fault, ensures the safe operation of derrick lifting means.
A kind of derrick bont that has lift control system; comprise CD-ROM drive motor 11; driving device 12; lifting rope 13; raising legs 14 and spacing control circuit 7; also comprise overweight limit switch 91; videotape probe 92; monitoring device 93; alarm bell 94; indicator lamp 95; control panel 96; as shown in Figure 4; overweight limit switch 91 is located at guiding on the pulley of lifting rope 13; overweight limit switch 91 is according to the actual loading ability apolegamy of lifting rope 13 and raising legs 14; when the load of lifting rope 13 or raising legs 14 exceeds the load limiting of himself; the connecting rod mechanism of overweight limit switch 91 touches contactor changes to send overweight signal its state, by control loop equipment is carried out the actv. protection.Videotaping probe 92 is located in the raising legs 14, as shown in Figure 5, videotaping probe 92 is connected with monitoring device 93 by lead, alarm bell 94 all is connected with spacing control circuit 7 by lead with indicator lamp 95, overweight limit switch 91, videotape probe 92, monitoring device 93, alarm bell 94 also are connected with control panel 96 by order wire with indicator lamp 95.Other structures are all same with embodiment 2.The operation conditions of bont can be grasped and control to present embodiment more directly perceived, accurately, timely.
Claims (3)
1. derrick bont that has lift control system, comprise CD-ROM drive motor (11), driving device (12), lifting rope (13) and raising legs (14), the rotating shaft of CD-ROM drive motor (11) is connected with driving device (12), one end of lifting rope (13) is connected with driving device (12) and the other end ties up to the top of raising legs (14), CD-ROM drive motor (11) is connected with power supply by the power circuit that is in series with master control switch (15), it is characterized in that: also comprise spacing control circuit (7), spacing control circuit (7) is by upload control contactless switch (1), descending control contactor (2), up startup making button (3), descending startup making button (4), go up to limitation travel switch (51), form to limitation travel switch (52) and the moving disconnected button (6) of stroke master control down
Up startup making button (3), go up and to be connected in series successively to the break contact (2b) of the break contact (51a) of limitation travel switch (51), descending control contactor (2) and the coil (1a) of upload control contactless switch (1), a moving together contact (1c) of upload control contactless switch (1) is connected in parallel on the two ends of up startup making button (3);
Descending startup making button (4), be connected in series successively to the break contact (52a) of limitation travel switch (52), the break contact (1b) of upload control contactless switch (1) and the coil (2a) of descending control contactor (2) down, a moving together contact (2c) of descending control contactor (2) is connected in parallel on the two ends of descending startup making button (4);
Up startup making button (3), go up break contact (51a) to limitation travel switch (51), the break contact (2b) of descending control contactor (2), on a moving together contact (1c) composition of the coil (1a) of upload control contactless switch (1) and upload control contactless switch (1) to control circuit (7a), descending startup making button (4), following break contact (52a) to limitation travel switch (52), the break contact (1b) of upload control contactless switch (1), the coil (2a) of descending control contactor (2) and a moving together contact (2c) of descending control contactor (2) are formed down to control circuit (7b), go up to control circuit (7a) and be composed in series spacing control circuit (7) with the moving button (6) that breaks of stroke master control again after the parallel connection mutually to control circuit (7b) down, spacing control circuit (7) is parallel on the two-phase phase line of power supply;
3 moving together contact (2c) in addition of descending control contactor (2) connect the two-phase phase line of power circuit successively, 3 moving together contact (1c) in addition of upload control contactless switch (1) are connected on respectively on each phase phase line of power circuit, and 3 moving together contact (1c) in addition of upload control contactless switch (1) all are located at respectively between 3 moving together contact (2c) in addition and power circuit phase line point of connection of descending control contactor (2);
The break contact of going up to limitation travel switch (51) (51a) is fixed on raising legs (14) upward to the extreme position that moves, and the break contact (52a) to limitation travel switch (52) is fixed under the raising legs (14) to the extreme position that moves down;
CD-ROM drive motor (11) is selected three-phase motor for use.
2. the derrick bont that has lift control system as claimed in claim 1, it is characterized in that: also comprise thermal relay (8) and phase sequence open-phase relay (9), the resistor wire of thermal relay (8) is connected in the power circuit that connects CD-ROM drive motor (11) and power supply, be parallel on the two-phase phase line of power supply after break contact (8b) series connection of spacing control circuit (7) and thermal relay (8), phase sequence open-phase relay (9) is parallel on the three-phase phase line of the power circuit between power supply and the spacing control circuit (7) again.
3. the derrick bont that has lift control system as claimed in claim 1 or 2, it is characterized in that: also comprise overweight limit switch (91), videotape probe (92), monitoring device (93), alarm bell (94), indicator lamp (95) and control panel (96), overweight limit switch (91) is located at guiding on the pulley of lifting rope (13), videotaping probe (92) is located in the raising legs (14), videotaping probe (92) is connected with monitoring device (93) by lead, alarm bell (94) all is connected with spacing control circuit (7) by lead with indicator lamp (95), videotapes probe (92), monitoring device (93), alarm bell (94) also is connected with control panel (96) by order wire with indicator lamp (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205479611U CN201850016U (en) | 2010-09-29 | 2010-09-29 | Headframe hoisting device with lifting control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205479611U CN201850016U (en) | 2010-09-29 | 2010-09-29 | Headframe hoisting device with lifting control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201850016U true CN201850016U (en) | 2011-06-01 |
Family
ID=44092418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205479611U Expired - Lifetime CN201850016U (en) | 2010-09-29 | 2010-09-29 | Headframe hoisting device with lifting control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201850016U (en) |
-
2010
- 2010-09-29 CN CN2010205479611U patent/CN201850016U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
|
| CX01 | Expiry of patent term |