CN218265918U - Self-locking electric rotating device for shield machine pipe piece lifting appliance - Google Patents

Self-locking electric rotating device for shield machine pipe piece lifting appliance Download PDF

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Publication number
CN218265918U
CN218265918U CN202221656034.2U CN202221656034U CN218265918U CN 218265918 U CN218265918 U CN 218265918U CN 202221656034 U CN202221656034 U CN 202221656034U CN 218265918 U CN218265918 U CN 218265918U
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double
control box
locking
worm
jurisdiction
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CN202221656034.2U
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梁友哲
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Cfhi Tianjin Heavy Industries Co ltd
Yizhong Group Tianjin Tunnel Engineering Co ltd
Tianjin Hongxuanda Technology Co ltd
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Cfhi Tianjin Heavy Industries Co ltd
Yizhong Group Tianjin Tunnel Engineering Co ltd
Tianjin Hongxuanda Technology Co ltd
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Abstract

The utility model belongs to the technical field of shield constructs quick-witted section of jurisdiction and hangs system, especially, relate to a shield constructs quick-witted section of jurisdiction hoist from locking-type electric rotary device, shield constructs quick-witted section of jurisdiction hoist from locking-type electric rotary device and includes: a rotation mechanism; hoisting machine constructs: the hoisting mechanism is connected with one side of the thrust bearing of the rotating mechanism, and the duct piece is rigidly connected with the hoisting mechanism. The utility model provides a when solving shield structure machine section of jurisdiction and hanging transportation section of jurisdiction, when needing the workman to rotate the section of jurisdiction, probably endanger self safe problem to and during operating personnel maloperation, endanger operating personnel and peripheral personnel and cause the shield structure machine section of jurisdiction hoist of equipment damage from locking-type electric rotary device.

Description

Self-locking electric rotating device for shield machine pipe piece lifting appliance
Technical Field
The utility model belongs to the technical field of shield constructs quick-witted section of jurisdiction and hangs the system, especially, relate to a shield constructs quick-witted section of jurisdiction hoist from locking-type electric rotating device.
Background
The prior art is as follows:
in the tunnel of shield method construction, the tunnel adopts a large amount of section bars to assemble the shaping, each section bar all is transported to the shield body in through the flat bed transport vechicle and section bar hoist from the platform truck at shield machine rear portion and then is assembled the shaping, be subject to the width restriction of platform truck, the section bar is vertically placed and transported to the front portion of platform truck at the flat bed transport vechicle, transport the shield body by the section bar hoist afterwards, because the section bar is transversely assembled the shaping, and partial horizontal section bar has the front and back direction to distinguish, consequently transport the shield body stage with the section bar hoist and need with the section bar from indulging the clockwise or anticlockwise rotation of direction to horizontal direction, this process is accomplished by a workman rotation, the other workman operates the action such as the advancing, promotion, decline of section bar hoist simultaneously and transports the shield body.
However, the present inventors have found that the above prior art has at least the following technical problems:
the section of jurisdiction is bulky, the quality is heavy, workman operation equipment is close to the section of jurisdiction on one side, rotates the section of jurisdiction on one side, has cross operation, the incident takes place easily, and transport efficiency is lower, when equipment breaks down, has very big potential safety hazard, and the workman need repeated frequent operation in addition, consumes a large amount of physical power, easy maloperation, greatly increased takes place dangerous probability, is unfavorable for the safety in production requirement that the shield constructs the machine construction, has also reduced the tunnelling production efficiency that the shield constructs the machine.
The difficulty and significance for solving the technical problems are as follows:
therefore, based on the problems, the self-locking type electric rotating device for the segment lifting appliance of the shield machine, which solves the problem that when a segment is lifted and transported by a segment lifting appliance of the shield machine, a worker is required to rotate the segment, the safety of the worker can be endangered, and when the misoperation of an operator is carried out, the operator and peripheral personnel are endangered, and the segment lifting appliance of the shield machine, which causes the damage of equipment, is important in practical significance.
SUMMERY OF THE UTILITY MODEL
This application aim at provides for solving technical problem among the prior art when solving shield structure machine section of jurisdiction and hanging transportation section of jurisdiction, when needing the workman to rotate the section of jurisdiction, probably endanger self safety's problem to and during operating personnel maloperation, endanger operating personnel and peripheral personnel and cause the shield structure machine section of jurisdiction hoist of equipment damage from locking-type electric rotating device.
The technical scheme adopted by the embodiment of the application to solve the technical problems in the prior art is as follows:
the utility model provides a shield constructs quick-witted section of jurisdiction hoist from locking-type electric rotary device, shield constructs quick-witted section of jurisdiction hoist and includes from locking-type electric rotary device:
a control box: the receiver is arranged in the device and is used for receiving signals of the transmitter;
a double-speed motor: the double-speed motor is connected with the control box through a cable, and rotates when being electrified;
a worm gear mechanism: the double-speed motor is connected with the worm gear mechanism through an electromagnetic clutch, the electromagnetic clutch is connected with the control box through a cable, the electromagnetic clutch is attracted when the double-speed motor is powered on, and the electromagnetic clutch is in a power-off normally-open state when a fault occurs;
a rotating mechanism: the rotating mechanism comprises an overload clutch and a thrust bearing, the worm gear mechanism is connected with one side of the overload clutch of the rotating structure through a coupler, the overload clutch is connected with the control box through a cable, when the rotating mechanism works, the overload clutch is in a normal suction state, when the overload clutch is blocked and overloaded, the overload clutch slips or is separated, an overload electric signal is generated and transmitted to the control box through the cable, and a control power supply and a main power supply in the control box are cut off;
hoisting machine constructs: the hoisting mechanism is connected with one side of the thrust bearing of the rotating mechanism, and the duct piece is rigidly connected with the hoisting mechanism.
The rotating mechanism is provided with an overload clutch, when the rotation of the duct piece is blocked and overloaded, the transmission torque exceeds a set value, so that slipping can be generated, the overload damage of equipment is avoided, and in the moment of overload, the overload clutch provides an overload electric signal and transmits the overload electric signal to the control box through a cable, the power output is cut off, and the damage of objects blocking the rotation of the duct piece can also be avoided. The rotating mechanism is provided with a thrust bearing and is used for bearing the dead weight of the duct piece and reducing the frictional resistance of the duct piece during rotation.
The embodiment of the application can also adopt the following technical scheme:
in the self-locking electric rotating device for the shield machine segment lifting appliance, further, the worm gear mechanism comprises a worm and a worm wheel, the worm is connected with the electromagnetic clutch, and the worm wheel is connected with the coupler.
In the self-locking electric rotating device of the shield machine segment lifting appliance, the worm gear mechanism further comprises a brake, the brake is connected with the control box through a cable, and the brake is separated when being electrified and is braked when being powered off.
The worm gear mechanism is provided with a brake, when the motor stops rotating, the brake is powered off and is attracted, the braking force is increased, the rotation of the duct piece is further locked, and the mechanical abrasion of the worm gear can be reduced.
In the self-locking electric rotating device of the shield machine segment lifting appliance, the coupler is further provided with buffer rubber.
The buffer rubber can effectively reduce the mechanical impact on the worm and gear mechanism when the duct piece rotates and stops.
In the self-locking electric rotating device of the shield machine segment lifting appliance, further, when the device fails and segments need to be manually rotated, the coupler is manually separated.
In the self-locking electric rotating device for the shield machine segment lifting appliance, the emitter is further provided with an emergency stop button, a forward rotation double-speed button and a reverse rotation double-speed button, when the emergency stop button is pressed down, the power output from the control box to the double-speed motor is cut off, and the forward rotation double-speed button and the reverse rotation double-speed button control the double-speed motor.
In the self-locking electric rotating device of the shield machine segment lifting appliance, further, the door plate of the control box is provided with the power indicator lamp and the fault indicator lamp, and when overload occurs, the fault indicator lamp is normally on.
One or more technical schemes provided in the embodiment of the application have at least the following beneficial effects:
1. the utility model discloses a satisfy safe construction requirement and improve production efficiency, adopted transmitter and receiver and double speed motor, operating personnel can stand and utilize transmitter control section of jurisdiction clockwise or anticlockwise rotation in safe operation area, and it is rotatory with double speed motor drive section of jurisdiction, quick adjustment section of jurisdiction position is realized to quick shelves, and accurate adjustment section of jurisdiction position is realized to slow shelves.
2. The utility model discloses have electromagnetic clutch, worm gear, stopper, the multiple mechanical safety mechanism of overload clutch, adopt worm gear mechanism to utilize its auto-lock requirement that has the mechanical characteristic of auto-lock and satisfy, reduce speed and increase the square, the transmission is steady, can steadily drive the great section of jurisdiction of quality.
3. The utility model discloses can automatic emergency braking when breaking down to can switch to traditional manual work and rotate the section of jurisdiction operation, operate convenient safety more, improve the production efficiency of section of jurisdiction loop wheel machine handling section of jurisdiction greatly, further improve the tunnelling efficiency of construction of shield structure machine, have promptly to stop simultaneously and transship the stop function, improve operating personnel's personal safety and equipment safety, ensure the safety in production.
4. The utility model provides high automation of equipment, the security of personnel's operation, the tunnelling production efficiency of shield structure machine, device safe and reliable simple operation.
Drawings
The embodiments of the present application will be described in further detail with reference to the accompanying drawings, but it should be understood that these drawings are designed for illustrative purposes only and therefore do not limit the scope of the present application. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the device of the present invention;
FIG. 2 is a schematic diagram of the stop state of the electric mode of the device according to the present invention;
FIG. 3 is a schematic diagram of the forward rotation slow-speed operation state of the electric mode of the device of the present invention;
FIG. 4 is a schematic diagram of the failure state of the electric mode of the device of the present invention;
FIG. 5 is a schematic diagram of the electric mode of the device according to the present invention in an emergency stop state;
FIG. 6 is a schematic diagram of the manual mode of the device of the present invention;
fig. 7 is a flow chart of the apparatus of the present invention.
In the figure, 1, a control box; 1-1, a power indicator light; 1-2, a fault indicator light; 2. a transmitter; 2-1, an emergency stop button; 2-2, a forward rotation double-speed button; 2-3, reversing the double-speed button; 3. a receiver; 4. a cable; 5. a double-speed motor; 6. an electromagnetic clutch; 7. a worm and gear mechanism; 7-1, a worm; 7-2, a worm wheel; 7-3, a brake; 8. a coupling; 9. a rotation mechanism; 9-1, an overload clutch; 9-2, a thrust bearing; 10. a hoisting mechanism; 11. a tube sheet.
Detailed Description
The self-locking electric rotating device of the shield machine segment lifting appliance comprises a control box, a transmitter, a receiver, a cable, a double-speed motor, an electromagnetic clutch, a worm and gear mechanism, a coupler, a rotating mechanism, a hoisting mechanism and a segment, wherein the receiver is arranged in the control box, the double-speed motor is connected with the worm and gear mechanism through the electromagnetic clutch, the worm and gear mechanism is connected with the rotating structure through the coupler, the hoisting mechanism is connected with the rotating mechanism, the segment is rigidly connected with the hoisting mechanism, when a forward rotation double-speed button or a reverse rotation double-speed button of the transmitter is operated, the double-speed motor can be controlled to realize rapid and slow forward rotation or reverse rotation, meanwhile, the electromagnetic clutch is electrically attracted, the rotation of the double-speed motor is transmitted to a worm of the worm and gear mechanism, the worm wheel of the worm and gear mechanism is driven to rotate by the worm, and a worm wheel output shaft transmits the rotation to the rotating mechanism through the coupler, when the double-speed motor stops, the worm gear mechanism has self-locking characteristic (the self-locking characteristic of the worm gear refers to that the worm can drive the worm gear to rotate, and the worm gear cannot reversely drive the worm to rotate), and the two functions of the brake are one more locking function, so that the impact force of the worm gear to the worm (the inertia force of the rotation of the duct piece) is relieved when the worm gear stops (namely the duct piece stops), the duct piece stops rotating in time, the duct piece can be quickly and accurately positioned, when emergency situations occur and emergency stop equipment needs to operate, the emergency stop button is operated, the power supply can be cut off, the duct piece stops rotating immediately, self-locking is realized, in addition, when the device breaks down, the electromagnetic clutch is in a power-off normally-open state, and power is prevented from being output to the duct piece to rotate, when the device breaks down and the segment needs to be rotated, the coupler can be separated, so that the worm and gear mechanism is disconnected with the rotating mechanism, and the segment is manually rotated to meet the construction requirement.
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
Example 1
Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the shield machine segment lifting appliance self-locking type electric rotating device comprises a control box (1), a transmitter (2), a receiver (3), a cable (4), a double-speed motor (5), an electromagnetic clutch (6), a worm and gear mechanism (7), a coupler (8), a rotating mechanism (9), a lifting mechanism (10) and a segment (11), wherein the control box (1) is connected with the double-speed motor (5) through the cable (4), the receiver (3) is installed in the control box (1), the double-speed motor (5) is connected with the worm and gear mechanism (7) through the electromagnetic clutch (6), the rotating mechanism (9) comprises an overload clutch (9-1) and a thrust bearing (9-2), the worm gear mechanism (7) is connected with one side of the overload clutch (9-1) of the rotating structure (9) through the coupler (8), the lifting mechanism (10) is connected with one side of the thrust bearing (9-2) of the rotating mechanism (9), and the segment (11) is rigidly connected with the lifting mechanism (10).
The working process is as follows:
when a forward rotation double-speed button (2-2) or a reverse rotation double-speed button (2-3) of the launcher (2) is operated, a double-speed motor (5) can be controlled to realize fast and slow forward rotation or reverse rotation, meanwhile, an electromagnetic clutch (6) is electrified and sucked, the rotation of the double-speed motor (5) is transmitted to a worm of a worm and gear mechanism (7), the worm drives a worm gear of the worm and gear mechanism (7) to rotate, a worm gear output shaft transmits the rotation to a rotating mechanism (9) through a coupler (8), and a hoisting mechanism (10) drives a duct piece (11) to rotate clockwise or anticlockwise fast and slowly, because the worm and gear mechanism (7) has a self-locking characteristic, when the double-speed motor (5) stops, the duct piece (11) can also stop rotating immediately, and self-locking is realized. In addition, when the device broke down, then electromagnetic clutch (6) were in outage normally open state, prevented that power take off from rotating to section of jurisdiction (11), when the device trouble and when needing to rotate the section of jurisdiction, can manual separation shaft coupling (8), made worm gear mechanism (7) and rotary mechanism (9) disconnect-connection, interim manual work rotates section of jurisdiction (11) and satisfies the construction requirement.
The whole device comprises two working modes: electric mode and manual mode, manual mode this utility model device breaks down or the control box does not have external power source promptly, uses when needing the artifical section of jurisdiction of rotating, and electric mode includes 4 operating condition: a stop state (ready state), an operating state, a fault state, an emergency stop state.
Manual mode: that is to say, the utility model discloses the fault indication lamp 1-2 of device is often bright or control box 1 does not have external power source, when needing to rotate the section of jurisdiction, claps down scram button 2-1, can cut off control box 1 to the power output of double speed motor 5 to with the separation of shaft coupling 8, can clockwise or anticlockwise manual rotation section of jurisdiction 11.
A stop state: the device is also called as a ready state, the power indicator lamp of the device is normally on, the fault indicator lamp of the device is off, and the device has normal function and can work at any time.
The 'stop state', namely the power indicator lamp of the control box is normally on, the fault indicator lamp is off, the control box is not in an emergency stop state, the electromagnetic clutch 6 is in an electrified attraction state, the brake 7-3 is in a power-off braking state, the coupler 8 is in an engagement state, the overload clutch 9-1 is in a normal attraction state, and the overload electric signal is not output, which is also called as the 'ready state' of the device at this moment and is ready for work at any time.
The operation state is as follows: meaning that the device is driving the segment clockwise or counterclockwise.
In the 'running state', namely when the forward rotation double-speed button 2-2 or the reverse rotation double-speed button 2-3 of the launcher is operated, the duct piece 11 can rotate clockwise or anticlockwise by 360 degrees, specifically, the forward rotation double-speed button 2-2 (namely a slow gear position) is lightly pressed, the brake 7-3 is electrified and separated, the double-speed motor 5 rotates clockwise and slowly, power is transmitted to the duct piece 11 through the electromagnetic clutch 6, the worm and gear mechanism 7, the coupler 8, the rotating mechanism 9 and the hoisting mechanism 10, the duct piece 11 is driven to rotate clockwise and slowly, the forward rotation double-speed button 2-2 (namely a fast gear) is heavily pressed, the duct piece 11 rotates clockwise and rapidly, and similarly, the reverse rotation double-speed button 2-3 is lightly pressed and heavily pressed, and the duct piece 11 can rotate anticlockwise and slowly and rapidly by 360 degrees.
A fault state: the power indicator lamp of the device is normally on, and meanwhile, the fault indicator lamp is also normally on, so that the device fails to work normally.
The 'fault state', namely the power indicator lamp 1-1 is normally on, when the device is overloaded during starting or running, the fault indicator lamp 1-2 is normally on, the overload clutch 9-1 slips or is disengaged, an overload electric signal is generated and transmitted to the control box 1 through the cable 4, a control power supply in the control box 1 is cut off, the electromagnetic clutch 6 is disconnected and separated, the power output of the double-speed motor 5 is cut off, meanwhile, the brake 7-3 is powered off and braked, the segment 11 is timely locked to rotate, and the phenomenon that the segment 11 generates reverse rotating force due to external force, equipment is damaged, and personal safety is damaged is avoided.
An emergency stop state: the device is in a state that the device has normal functions, and all functions of the device are stopped by pressing down an emergency stop button of the emitter when an emergency occurs outside or maintenance is needed.
"scram state", when this utility model device need maintain the maintenance, clap scram button 2-1 under "the stalled state", when this utility model device needs the scram to stop because of emergency when "running state", clap scram button 2-1, can cut off control box 1 to the power output of double speed motor 5, electromagnetic clutch 6 outage separation, stopper 7-3 outage braking, in time locking section of jurisdiction 11 rotates.
Example 2
On the basis of embodiment 1, this embodiment installs receiver (3) and other control element in control box (1), including circuit breaker, contactor, relay, overload relay, power indicator (1-1) and fault indicator (1-2) are installed to the door plant of control box (1). When the external power supply of the control box (1) is switched on, the power indicator lamp (1-1) is turned on, and when the overload clutch (9-1) exceeds the set torque, the fault indicator lamp (1-2) of the control box (1) is turned on.
The transmitter transmits the control signal to the receiver by means of electromagnetic waves. The emitter (2) is provided with an emergency stop button (2-1), a forward rotation double-speed button (2-2) and a reverse rotation double-speed button (2-3), and the emitter (2) transmits a control signal to the receiver (3) through electromagnetic waves. The double-speed button of the emitter (2) is a quick and slow combined button, the first gear is lightly pressed to be slow, the second gear is heavily pressed to be fast, the forward rotation double-speed button (2-2) is used for controlling the duct piece to rotate clockwise and slowly, the reverse rotation double-speed button (2-3) is used for controlling the duct piece to rotate anticlockwise and quickly and slowly, the emergency stop button (2-1) is used for emergently stopping the device when in emergency or is used when the device needs to be maintained, and safety of personnel and equipment is guaranteed.
The double-speed motor (5) is connected with the control box (1) through a cable (4), and the electromagnetic clutch (6) is connected with the control box (1) through the cable (4). The double-speed motor (5) is connected with a worm (7-1) of the worm gear mechanism (7) through an electromagnetic clutch (6).
The worm and gear mechanism (7) comprises a worm (7-1), a worm wheel (7-2) and a brake (7-3), the worm wheel (7-2) is connected with the rotating structure (9) through a coupler (8), the worm and gear mechanism (7) has a self-locking characteristic, and the brake (7-3) is connected with the control box (1) through a cable (4). When the forward rotation double-speed button (2-2) or the reverse rotation double-speed button (2-3) of the emitter (2) is operated, the double-speed motor (5) rotates, the control box (1) and the cable (4) transmit electric signals to the brake (7-3), the brake (7-3) is electrified and separated, when the double-speed motor (5) stops, the brake (7-3) is powered off for braking, and due to the fact that the brake (7-3) is additionally arranged, abrasion between the worm gear mechanism (7) can be reduced. The coupler (8) is provided with buffer rubber, so that the mechanical impact on the worm and gear mechanism when the segment rotates and stops can be effectively reduced.
The rotating mechanism (9) comprises an overload clutch (9-1) and a thrust bearing (9-2), the overload clutch (9-1) is connected with the control box (1) through a cable (4), the overload clutch (9-1) can be installed between a driving side or a load side of power transmission, once overload occurs, the transmission torque exceeds a set value, disengagement or slipping can be generated, so that a driving side and a driven side of the power transmission are separated, the equipment is prevented from being damaged due to overload, the overload clutch (9-1) can provide an overload electric signal and transmit the overload electric signal to the control box (1) through the cable (4) at the moment of overload, and the thrust bearing (9-2) is installed on the side of an output shaft and used for bearing the self weight of a duct piece (11) and reducing the friction resistance when the duct piece (11) rotates.
The duct piece (11) is connected with the rotating mechanism (9) through a hoisting mechanism (10), and the hoisting mechanism (10) can be a hoisting head or a vacuum chuck.
The working process comprises the following steps:
when a power indicator lamp of the control box (1) is turned on and a fault indicator lamp is turned off, when a forward rotation double-speed button (2-2) of the emitter (2) is lightly pressed, a double-speed motor (5) continuously rotates forwards at a low speed, an electromagnetic clutch (6) is electrified and closed, a brake (7-3) is electrified and separated, power is transmitted to a duct piece (11) through the electromagnetic clutch (6), a worm and gear mechanism (7), a coupler (8), a rotating structure (9) and a hoisting mechanism (10), the duct piece (11) rotates clockwise from the stop to the low speed, when the forward rotation double-speed button (2-2) is pressed heavily, the double-speed motor (5) continuously rotates forwards at a high speed, the double-speed motor (8) always performs sequential execution from the stop to the low speed, the duct piece (11) rotates clockwise from the stop to the low speed, when the forward rotation button (2-2) is loosened, the electromagnetic clutch (6) is powered off and separated, the brake (7-3) is powered off, the duct piece (11) stops rotating, when the double-speed button (8) stops, the double-speed sequential execution mechanism stops, the rotary mechanism effectively reduces the inertia, and the rotary mechanism can reduce the impact of the duct piece (2-2) and the rotary mechanism.
To sum up, the utility model provides a when solving shield structure machine section of jurisdiction and hanging transportation section of jurisdiction, when needing the workman to rotate the section of jurisdiction, probably endanger self safe problem to and when operating personnel maloperation, endanger operating personnel and peripheral personnel and cause the shield structure machine section of jurisdiction hoist of equipment damage from locking-type electric rotating device.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (7)

1. The utility model provides a shield constructs quick-witted section of jurisdiction hoist from locking-type electric rotary device which characterized in that: shield constructs quick-witted section of jurisdiction hoist and includes from locking-type electric rotary device:
a control box: the receiver is arranged in the device and is used for receiving signals of the transmitter;
a double-speed motor: the double-speed motor is connected with the control box through a cable, and rotates when being electrified;
a worm gear mechanism: the double-speed motor is connected with the worm gear mechanism through an electromagnetic clutch, the electromagnetic clutch is connected with the control box through a cable, the electromagnetic clutch is attracted when the double-speed motor is powered on, and the electromagnetic clutch is in a power-off normally-open state when a fault occurs;
a rotating mechanism: the rotating mechanism comprises an overload clutch and a thrust bearing, the worm gear mechanism is connected with one side of the overload clutch of the rotating structure through a coupler, the overload clutch is connected with the control box through a cable, when the rotating mechanism works, the overload clutch is in a normal suction state, when the overload clutch is blocked and overloaded, the overload clutch slips or is disconnected, an overload electric signal is generated and transmitted to the control box through the cable, and a control power supply and a main power supply in the control box are cut off;
hoisting machine constructs: the hoisting mechanism is connected with one side of the thrust bearing of the rotating mechanism, and the duct piece is rigidly connected with the hoisting mechanism.
2. The shield tunneling machine segment lifting appliance self-locking type electric rotating device according to claim 1, characterized in that: the worm and gear mechanism comprises a worm and a worm wheel, the worm is connected with the electromagnetic clutch, and the worm wheel is connected with the coupler.
3. The self-locking electric rotating device of the shield machine segment lifting appliance according to claim 1, characterized in that: the worm gear mechanism further comprises a brake, the brake is connected with the control box through a cable, the brake is separated when the brake is powered on, and the brake is braked when the brake is powered off.
4. The shield tunneling machine segment lifting appliance self-locking type electric rotating device according to claim 1, characterized in that: the coupler is provided with buffer rubber.
5. The self-locking electric rotating device of the shield machine segment lifting appliance according to claim 1, characterized in that: when the device fails and manual rotation of the segments is required, the couplings are manually disengaged.
6. The shield tunneling machine segment lifting appliance self-locking type electric rotating device according to claim 1, characterized in that: the emitter is provided with an emergency stop button, a forward rotation double-speed button and a reverse rotation double-speed button, when the emergency stop button is pressed down, the power output from the control box to the double-speed motor is cut off, and the forward rotation double-speed button and the reverse rotation double-speed button control the double-speed motor.
7. The self-locking electric rotating device of the shield machine segment lifting appliance according to claim 1, characterized in that: power indicator and fault indicator are installed to the door plant of control box, and when taking place to transship, the fault indicator often lights.
CN202221656034.2U 2022-06-28 2022-06-28 Self-locking electric rotating device for shield machine pipe piece lifting appliance Active CN218265918U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221656034.2U CN218265918U (en) 2022-06-28 2022-06-28 Self-locking electric rotating device for shield machine pipe piece lifting appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221656034.2U CN218265918U (en) 2022-06-28 2022-06-28 Self-locking electric rotating device for shield machine pipe piece lifting appliance

Publications (1)

Publication Number Publication Date
CN218265918U true CN218265918U (en) 2023-01-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221656034.2U Active CN218265918U (en) 2022-06-28 2022-06-28 Self-locking electric rotating device for shield machine pipe piece lifting appliance

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Country Link
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