CN106938705B - Non-control rotation inhibition device for machine joint - Google Patents
Non-control rotation inhibition device for machine joint Download PDFInfo
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- CN106938705B CN106938705B CN201710174984.9A CN201710174984A CN106938705B CN 106938705 B CN106938705 B CN 106938705B CN 201710174984 A CN201710174984 A CN 201710174984A CN 106938705 B CN106938705 B CN 106938705B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/30—Ground or aircraft-carrier-deck installations for embarking or disembarking passengers
- B64F1/305—Bridges extending between terminal building and aircraft, e.g. telescopic, vertically adjustable
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
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Abstract
The invention discloses a non-control rotation restraining device for a boarding bridge opening, which is arranged between a boarding bridge channel and the boarding bridge opening. The invention is in an open state when the boarding bridge passage rotates normally, so that the angles of the boarding bridge passage and the boarding bridge passage can be adjusted normally, and the rest time is in a closed state, so that the angle between the boarding bridge passage and the boarding bridge passage is locked, the torque stress of a rotation driving mechanism between the boarding bridge passage and the boarding bridge passage is reduced, the protection of the rotation driving mechanism is facilitated, the stability between the boarding bridge passage and the boarding bridge passage is increased, and the boarding bridge passage is safer and more effective than a later-time remedying mode.
Description
Technical Field
The invention relates to the field of boarding bridge machinery, in particular to a non-controlled rotation restraining device for a boarding bridge gate.
Background
The front end of the boarding bridge channel is provided with a boarding platform which is round and provided with an arc-shaped track, and a roller group capable of rotating along the track is arranged on a boarding port so as to meet the requirements of different boarding positions, and the driving of the boarding port to rotate is basically realized by a power device with a chain wheel and a chain. When mechanical failures such as chain breakage, idler shaft breakage, motor shaft breakage and the like occur. The two-ton multiple aircraft receiving port can generate out-of-control movement under the action of gravity, and brings potential safety hazards to the aircraft and passengers.
In view of the occurrence of the above-mentioned faults, some countermeasures have been proposed, such as a latch type protection method and a conventional friction type braking method. These means are passive precautions, essentially in the form of a normally open one, i.e. stopping the corresponding action in case of mechanical failure of the interface transmission system. This requires that the failure sensing means must be installed to detect chain breaks, joint movement stall, and later remedy, and that the brake disc basically utilizes the slewing track of the joint platform, which would destroy the surface coating. The pin of the latch type stop mode needs to have enough strength, which determines that the gear teeth also have corresponding tooth widths to ensure that the device can bear strong bending moment possibly caused by failure, so that the angle of swinging of the joint is larger during stop, and the impact force is large due to rigid stop.
Disclosure of Invention
In order to solve the problems, the invention provides a normally closed and continuously acting non-controlled rotation restraining device for a joint.
The technical scheme adopted for solving the technical problems is as follows: the non-control rotation restraining device of the boarding bridge is arranged between the boarding bridge passage and the boarding port and comprises,
one end of the rotating component is pivoted with the boarding bridge channel, and the other end of the rotating component is fixedly connected with the boarding bridge channel;
the rotating assembly is provided with a non-control rotation restraining device in a normally closed state, the non-control rotation restraining device is in an open state when the gate rotates normally relative to the boarding bridge channel, and the rest time is in a closed state, so that the relative positions of the rotating assembly and the boarding bridge channel are locked, and the locking of the relative positions between the gate and the boarding bridge channel is realized.
Further, the rotating assembly includes:
the mandrel is fixedly connected to the lower position of the tail end of the boarding bridge channel;
the rotating shaft sleeve is provided with a central cavity and is sleeved on the mandrel through the central cavity, so that free rotation around the axis can be realized;
a plurality of swing arms, a plurality of swing arms one end fixed connection rotation axle sleeve, the other end fixed connection connects the machine mouth.
Further, the uncontrolled rotation restraining device is in an open state when the gate rotates normally relative to the boarding bridge channel, so that the rotating shaft sleeve can rotate on the mandrel; the boarding bridge passage is closed after the angle of the boarding bridge passage is adjusted, so that the relative positions of the rotating shaft sleeve and the mandrel are locked, and the boarding bridge passage are locked.
Further, the rotation control suppressing device includes:
the limiting teeth are fixedly arranged on the mandrel;
the sliding shaft is slidably arranged on the rotating shaft sleeve, a transmission tooth meshed with the limiting tooth is arranged on the sliding shaft, and when the rotating shaft sleeve rotates, the sliding shaft slides through the cooperation of the transmission tooth and the limiting tooth;
the control mechanism is arranged on the rotating shaft sleeve and used for locking the sliding shaft after the angle of the boarding bridge passage relative to the boarding bridge passage is adjusted, so that the boarding bridge passage cannot slide to realize the locking between the boarding bridge passage and the boarding bridge passage.
Further, a through hole is arranged on the side wall of the rotating shaft sleeve and is communicated with the central cavity of the rotating shaft sleeve;
the control mechanism comprises a first cylinder body and a second cylinder body which are arranged at two ends of the through hole, two ends of the sliding shaft are respectively and slidably connected in the first cylinder body and the second cylinder body, and can do piston movement in the first cylinder body and the second cylinder body, and hydraulic oil is filled in the first cylinder body and the second cylinder body;
an oil pipe for communicating the first cylinder and the second cylinder;
the control switch is used for controlling the communication and closing of the oil pipe;
the control switch controls the oil pipe to be communicated with the first cylinder body and the second cylinder body when the boarding bridge channel rotates normally at the boarding bridge channel, so that an oil duct formed by the first cylinder body, the second cylinder body and the oil pipe is in an open state, and the sliding shaft can slide in the first cylinder body and the second cylinder body; after the angle of the boarding bridge passage is adjusted relative to the boarding bridge passage, the oil pipe is closed, so that an oil duct formed by the first cylinder body, the second cylinder body and the oil pipe is in a closed state, and the sliding of the sliding shaft is limited by hydraulic oil in the first cylinder body and the second cylinder body, so that the locking between the rotating shaft sleeve and the mandrel is realized.
Further, the control switch is an electromagnetic valve or a proportional valve.
Further, the swing arm provides supporting force for the machine connecting port.
The beneficial effects of the invention are as follows: the non-control rotation restraining device is in an open state when the boarding bridge passage rotates normally relative to the boarding bridge passage, so that the angles of the boarding bridge passage and the boarding bridge passage can be adjusted normally, and the rest time is in a closed state, so that the angle between the boarding bridge passage and the boarding bridge passage is locked, the torque stress of a rotation driving mechanism between the boarding bridge passage and the boarding bridge passage is reduced, the protection of the rotation driving mechanism is facilitated, the stability between the boarding bridge passage and the boarding bridge passage is improved, and the boarding bridge passage is safer and more effective than a later-time remedying mode.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of a first embodiment of an uncontrolled rotation restraint device in accordance with the present invention;
FIG. 2 is an exploded schematic view of a first embodiment of an uncontrolled rotation restraint device in accordance with the present invention;
FIG. 3 is a schematic view of a rotary assembly according to the present invention;
fig. 4 is a bottom view of the present invention mounted on a boarding bridge;
fig. 5 is an isometric view of the present invention mounted on a boarding bridge;
fig. 6 is a partial enlarged view of the present invention mounted on a boarding bridge;
FIG. 7 is a schematic view of a second embodiment of an uncontrolled rotation restraint device in accordance with the present invention;
FIG. 8 is an exploded view of a second embodiment of the uncontrolled rotation restraint of the present invention;
fig. 9 is an exploded view of a third embodiment of the uncontrolled rotation restraint device of the present invention.
Detailed Description
Example 1
Referring to fig. 1 to 6, the invention is a non-controlled rotation restraining device of a boarding bridge, which is arranged between a boarding bridge channel 9 and a boarding bridge opening 10 and comprises a rotating component, wherein one end of the rotating component is pivoted with the boarding bridge channel 9, and the other end of the rotating component is fixedly connected with the boarding bridge opening 10; the rotating assembly is provided with a non-control rotation restraining device in a normally closed state, the non-control rotation restraining device is in an open state when the gate 10 rotates normally relative to the boarding bridge channel 9, and the rest time is in a closed state so as to be used for locking the relative positions of the rotating assembly and the boarding bridge channel 9, and locking the relative positions between the gate 10 and the boarding bridge channel 9 is achieved.
As shown in fig. 3 to 6, the rotating assembly comprises a spindle 11, a rotating sleeve 1 and two swing arms 8. Wherein the mandrel 11 is fixedly connected to the lower position of the end of the boarding bridge channel 9 by welding or screw connection or other known means. The rotary shaft sleeve 1 is provided with a central cavity, the upper end and the lower end of the central cavity are provided with rolling bearings 12, and the rotary shaft sleeve 1 is sleeved on the mandrel 11 through the rolling bearings 12, so that the rotary shaft sleeve can freely rotate around the mandrel. One end of each of the two swing arms 8 is fixedly connected with the rotating shaft sleeve 1, the other end of each of the two swing arms 8 is fixedly connected with the machine connecting opening 10, and the two swing arms 8 are arranged in a splayed shape for uniform stress. After the rotating shaft sleeve 1 is installed on the mandrel 11, a bearing piece 13 is fixedly arranged at the lower end of the mandrel 11, so that the rotating shaft sleeve 1 and the swing arm 8 are limited on the mandrel 11, and support force is provided for the rotating shaft sleeve 1 and the swing arm 8.
As shown in fig. 1 and 2, the uncontrolled rotation prevention device includes:
the limiting teeth 2 are arranged on the mandrel 11 in an integrated forming manner or in a matching manner of a gear and a shaft, or are arranged on the mandrel 11 in other known manners, so that the limiting teeth 2 are fixed on the mandrel 11. The second mode, that is, the matching mode of the gear and the shaft, is specifically adopted in the embodiment, the limiting teeth 2 are installed on the mandrel 11 in a spline or pin shaft positioning mode, and are fixed and not rotated through the mandrel 11. In this embodiment, the limiting teeth 2 are installed between the two rolling bearings 12 of the rotating shaft sleeve 1, so that the bearing area of the bearing member 13 is increased, and the supporting effect of the bearing member 13 is more stable.
The sliding shaft 3 is slidably arranged on the rotating shaft sleeve 1, the sliding shaft 3 is provided with a transmission tooth 31 meshed with the limiting tooth 2, and when the rotating shaft sleeve 1 rotates, the sliding shaft 3 slides through the cooperation of the transmission tooth 31 and the limiting tooth 2. As shown in the figure, a through hole 101 is arranged on the side wall of the rotating shaft sleeve 1, and the through hole 101 is communicated with a central cavity of the rotating shaft sleeve 1; the axis of the through hole 101 may be parallel to the axis of the central cavity or may be disposed at a certain angle, and in this embodiment, for best effect, the axis of the through hole 101 is perpendicular to the axis of the central cavity.
The control mechanism is arranged on the rotating shaft sleeve 1 and is used for locking the sliding shaft 3 after the angle of the gate 10 relative to the boarding bridge channel 9 is adjusted, so that the sliding shaft cannot slide to realize the locking between the gate 10 and the boarding bridge channel 9. As shown in the figure, the control mechanism comprises a first cylinder body 4 and a second cylinder body 5 which are fixedly connected to two ends of the through hole 101 through screws, two ends of the sliding shaft 3 are respectively and slidably connected in the first cylinder body 4 and the second cylinder body 5, and can perform piston movement in the first cylinder body 4 and the second cylinder body 5, and hydraulic oil is filled in the first cylinder body 4 and the second cylinder body 5. And an oil pipe 6 communicated with the first cylinder body 4 and the second cylinder body 5, wherein the oil pipe 6 is communicated with the first cylinder body 4 and the second cylinder body 5 in a threaded and clamping sleeve fit mode. The control switch 7 for controlling the communication and closing of the oil pipe 6, the control switch 7 being a solenoid valve or a proportional valve, is suitable for the case of the present embodiment in consideration of being in a locked state (i.e., a normally closed state) when the solenoid valve is not energized, and is opened when energized, so the control switch 7 of the present embodiment is specifically provided as a solenoid valve. The electromagnetic valve controls the oil pipe 6 to be communicated with the first cylinder body 4 and the second cylinder body 5 when the air receiving port 10 rotates normally relative to the boarding bridge channel 9, so that an oil duct formed by the first cylinder body 4, the second cylinder body 5 and the oil pipe 6 is in an open state, hydraulic oil can freely flow in the first cylinder body 4 and the second cylinder body 5, and the sliding shaft 3 slides in the first cylinder body 4 and the second cylinder body 5 along with the rotation of the rotating shaft sleeve 1; after the angle of the boarding bridge passage 9 is adjusted by the machine connecting port 10, the oil pipe 6 is closed, so that an oil passage formed by the first cylinder body 4, the second cylinder body 5 and the oil pipe 6 is in a closed state, the flow of hydraulic oil is forbidden, the sliding of the sliding shaft 3 is limited by the hydraulic oil in the first cylinder body 4 and the second cylinder body 5, and the locking between the rotating shaft sleeve 1 and the mandrel 11 is realized. As shown in fig. 2, since both ends of the sliding shaft 3 need to push hydraulic oil, both ends thereof are provided with seal rings 32, respectively, for preventing leakage of the hydraulic oil.
According to the non-control rotation restraining device for the aircraft interface, when the aircraft interface 10 rotates normally relative to the boarding bridge channel 9 under the control of the control system, the control system can give a starting signal to the electromagnetic valve, so that the electromagnetic valve is opened, an oil duct formed by the first cylinder body 4, the second cylinder body 5 and the oil pipe 6 is unblocked, and the sliding shaft 3 can slide along with the rotation of the rotating shaft sleeve 1; after the control system controls the machine connecting port 10 to rotate, a closing signal is given to the electromagnetic valve at the same time, so that the electromagnetic valve closes an oil duct formed by the first cylinder body 4, the second cylinder body 5 and the oil pipe 6, and at the moment, the sliding shaft 3 cannot slide under the resistance of hydraulic oil, and then the relative angle of the rotating shaft sleeve 1 and the mandrel 11 is locked, so that the relative angle of the machine connecting port 10 and the boarding bridge channel 9 is fixed. As shown in fig. 4 to 6, since the joint 10 is generally adjusted by adopting a mode of matching a motor and a chain, the chain is stressed during and after rotation, and the stress of the chain during non-rotation can be reduced by the non-controlled rotation restraining device, so that the service life of the drive is prolonged.
The embodiment adopts the non-control rotation restraining device in the normally closed state, so long as the gate 10 locks the gate 10 relative to the angle of the boarding bridge channel 9 in abnormal rotation time, the stability between the gate 10 and the boarding bridge channel 9 is increased, the non-control rotation of the gate is restrained, and the method is safer and more effective than a later-time remedying mode. Meanwhile, the invention has compact structure and light weight, only needs to provide low voltage for the electromagnetic valve, is used for opening and closing the electromagnetic valve, and does not need a power source; because the hydraulic oil is used as a stopping medium, the hydraulic oil has a shock absorption function, is large in energy absorption during stopping, free of impact and noise, stable and reliable in work, and is an economic and reliable green design. The device can play a role in inhibiting and protecting any link of a transmission chain driven by the rotation of the machine interface, including a chain, a chain wheel, even a speed reducing braking motor and the like, when the failure possibly occurs the uncontrolled rotation.
Example 2
As shown in fig. 7 and 8, the embodiment takes embodiment 1 as a main body, and is different in that the first cylinder 4 and the second cylinder 5 of the embodiment are fixedly connected to two ends of the through hole 101 in a welding manner, the other end of the second cylinder 5 adopts an opening design for mounting the sliding shaft 3, and the opening end is provided with a cylinder cover connected by a screw thread or a flange for sealing after mounting. Meanwhile, two ends of the oil pipe 6 are communicated with the first cylinder body 4 and the second cylinder body 5 in a welding mode.
According to the non-controlled rotation restraining device for the boarding bridge, the threaded connection mode is replaced by the welding mode, so that the number of parts can be reduced, the processing difficulty is reduced, the production cost is reduced, and hidden danger points of hydraulic oil leakage possibly caused by factors such as boarding bridge vibration can be reduced.
Example 3
In this embodiment, embodiment 1 is taken as a main body, and the difference is that the mandrel 11, the bearing member 13, the rotating shaft sleeve 1 and the swing arm 8 in this embodiment are designed according to the material strength and the bearing capacity, so that the swing arm 8 provides a supporting force for the machine interface 10.
The boarding bridge of the embodiment designed in the way simplifies the traditional structure, does not damage and wear the coating on the surface of the boarding bridge, and is beneficial to the appearance.
Example 4
The present embodiment mainly includes embodiment 1, but is different in that the control switch 7 of the present embodiment is added with a safety start switch when controlled by the control system. The safety start switch can independently control the on-off of the control switch 7, and the control system can only start or stop the control switch 7 when the safety start switch starts the control switch 7.
In actual use, the safety starting switch is turned on firstly, then the control system controls the opening of the control switch 7 to adjust the angle of the gate 10, after the adjustment is finished, the control system turns off the control switch 7 to lock the relative angle between the gate 10 and the boarding bridge channel 9, and then turns off the safety starting switch to lock the control switch 7. The design can prevent equipment damage or casualties caused by abnormal rotation of the machine interface 10 possibly brought about when a control system has a system problem.
Example 5
The embodiment takes embodiment 1 as a main body, and is different in that the control switch 7 of the embodiment is not controlled by a control system, but a safety start switch for controlling the on/off of the control switch 7 is separately added. When the safety starting switch is not started in use, the control switch 7 is in a state of closing the oil duct, and the rotation of the machine receiving port 10 cannot be adjusted through the control system; after the safety starting switch is started, the safety starting switch adjusts the control switch 7 to be opened, so that the oil duct is unblocked, then the control system controls the machine receiving port 10 to rotate, after the rotation is finished, the safety starting switch is closed to close the oil duct, and the relative angle between the machine receiving port 10 and the boarding bridge channel 9 is locked.
By the design, equipment damage or casualties caused by abnormal rotation of the machine interface 10 possibly caused by system problems of the control system can be prevented, and safety and stability are enhanced. Meanwhile, compared with the mode of the embodiment 4, the control system is simpler, lower in cost and more stable.
Example 6
The embodiment mainly comprises embodiment 1, but the difference is that the embodiment does not separately provide a driving mechanism for controlling the rotation of the gate 10 relative to the boarding bridge channel 9, but realizes the rotation control of the gate 10 through a rotating assembly and a non-control rotation restraining device.
To achieve the above objective, the specific arrangement of this embodiment is to drive and control the sliding of the sliding shaft 3 by the hydraulic oil of the hydraulic station, and to form a locking loop by matching with a double-hydraulic control one-way valve, and drive the rotating shaft sleeve 1 to rotate by controlling the sliding of the sliding shaft 3, so as to drive the machine interface 10 to rotate. Thus, the method is safe and reliable, the driving design of the traditional gate can be greatly simplified, and the cost of the boarding bridge is reduced.
Example 7
Referring to fig. 9, the present embodiment uses embodiment 1 as a main body, and is different in that in the present embodiment, a rotating shaft sleeve 1 is fixedly mounted at a position below the tail end of a boarding bridge channel 9 by welding or screws, a limiting tooth 2 is integrally formed on a mandrel 11, the mandrel 11 is mounted in the rotating shaft sleeve 1 by the limiting tooth 2, two swing arms 8 are sleeved on the mandrel 11, and the swing arms 8 and the mandrel 11 synchronously rotate by means of pin key connection.
In actual operation, the left and right rotation of the machine connecting port is generally controlled by a left-turn button and a right-turn button, and when the left-turn button or the right-turn button is pressed, the control system controls the electromagnetic valve to firstly open an oil duct formed by the first cylinder body 4, the second cylinder body 5 and the oil pipe 6, and then the machine connecting port is started to drive, so that the electromagnetic valve and the drive can be simultaneously opened or closed. If in the operation process, when an operator feels that the machine connecting port driving fault occurs, the button is released, the machine connecting port driving power supply and the electromagnetic valve are simultaneously powered off, and the machine connecting port is immediately locked in a braking manner, just like when a driver is started, and when a danger is found, the driver immediately brakes. For omnibearing protection and prevention, a broken chain detection device for detecting a driving chain can be additionally arranged, when the chain breakage is detected, the power supply of the machine connecting opening drive and the electromagnetic valve is automatically and simultaneously cut off, so that the electromagnetic valve closes the oil duct locking rotating assembly, the machine connecting opening drive also stops working, the relative positions between the machine connecting opening and the boarding bridge channel are locked and fixed, and the safety of equipment and personnel is ensured.
The above examples are only preferred embodiments of the invention, and other embodiments of the invention are possible. Equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the invention, and these equivalent modifications or substitutions are intended to be included within the scope of the present claims.
Claims (4)
1. The non-control rotation restraining device of the boarding bridge opening is arranged between the boarding bridge channel (9) and the boarding opening (10) and comprises,
one end of the rotating component is pivoted with the boarding bridge channel (9), and the other end of the rotating component is fixedly connected with the boarding bridge channel (10);
it is characterized in that the method comprises the steps of,
the rotating assembly is provided with a non-control rotation restraining device in a normally closed state, the non-control rotation restraining device is in an open state when the boarding bridge channel (9) is rotated normally relative to the machine receiving opening (10), and the rest time is in a closed state, so that the relative positions of the rotating assembly and the boarding bridge channel (9) are locked, and the locking of the relative positions between the boarding bridge channel (9) and the machine receiving opening (10) is realized;
the rotating assembly includes:
the mandrel (11) is fixedly connected to the lower position of the tail end of the boarding bridge channel (9);
the rotary shaft sleeve (1) is provided with a central cavity, and the rotary shaft sleeve (1) is sleeved on the mandrel (11) through the central cavity, so that free rotation around the mandrel can be realized; one end of each swing arm (8) is fixedly connected with the rotating shaft sleeve (1), and the other end is fixedly connected with the machine connecting port (10);
the uncontrolled rotation restraining device is in an open state when the boarding bridge passage (9) is rotated normally relative to the boarding bridge passage (10) so as to realize that the rotating shaft sleeve (1) can rotate on the mandrel (11); the angle of the boarding bridge passage (9) is adjusted by the boarding port (10) and then the boarding bridge passage is in a closed state so as to lock the relative positions of the rotating shaft sleeve (1) and the mandrel (11), thereby realizing the locking between the boarding bridge passage (9) and the boarding port (10);
the swing arm (8) provides supporting force for the machine connecting port (10).
2. The interface non-controlled rotation suppression device according to claim 1, wherein the non-controlled rotation suppression device comprises:
the limiting teeth (2) are fixedly arranged on the mandrel (11); the sliding shaft (3) can be arranged on the rotating shaft sleeve (1) in a sliding manner, a transmission tooth (31) meshed with the limiting tooth (2) is arranged on the sliding shaft (3), and when the rotating shaft sleeve (1) rotates, the sliding shaft (3) is matched with the limiting tooth (2) through the transmission tooth (31) to realize sliding;
the control mechanism is arranged on the rotating shaft sleeve (1) and is used for locking the sliding shaft (3) after the angle of the boarding bridge passage (9) relative to the machine receiving opening (10) is adjusted, so that the boarding bridge passage (9) and the machine receiving opening (10) cannot slide to realize the locking.
3. The interface uncontrolled rotation suppression device of claim 2, wherein:
a through hole (101) is formed in the side wall of the rotating shaft sleeve (1), and the through hole (101) is communicated with a central cavity of the rotating shaft sleeve (1);
the control mechanism comprises a first cylinder body (4) and a second cylinder body (5) which are arranged at two ends of the through hole (101), two ends of the sliding shaft (3) are respectively connected in the first cylinder body (4) and the second cylinder body (5) in a sliding manner, and can perform piston movement in the first cylinder body (4) and the second cylinder body (5), and hydraulic oil is filled in the first cylinder body and the second cylinder body (5);
an oil pipe (6) for connecting the first cylinder (4) and the second cylinder (5);
a control switch (7) for controlling the communication and closing of the oil pipe (6);
the control switch (7) controls the oil pipe (6) to be communicated with the first cylinder body (4) and the second cylinder body (5) when the boarding bridge channel (9) rotates normally at the boarding bridge opening (10), so that an oil duct formed by the first cylinder body (4), the second cylinder body (5) and the oil pipe (6) is in an open state, and the sliding shaft (3) can slide in the first cylinder body (4) and the second cylinder body (5); after the angle of the boarding bridge passage (9) is adjusted relative to the boarding bridge opening (10), the oil pipe (6) is closed, so that an oil duct formed by the first cylinder body (4), the second cylinder body (5) and the oil pipe (6) is in a closed state, and the sliding of the sliding shaft (3) is limited by hydraulic oil in the first cylinder body (4) and the second cylinder body (5), so that the locking between the rotating shaft sleeve (1) and the mandrel (11) is realized.
4. A non-controlled rotation-inhibiting device for a coupling according to claim 3, characterized in that said control switch (7) is a solenoid valve or a proportional valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710174984.9A CN106938705B (en) | 2017-03-22 | 2017-03-22 | Non-control rotation inhibition device for machine joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710174984.9A CN106938705B (en) | 2017-03-22 | 2017-03-22 | Non-control rotation inhibition device for machine joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106938705A CN106938705A (en) | 2017-07-11 |
| CN106938705B true CN106938705B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710174984.9A Active CN106938705B (en) | 2017-03-22 | 2017-03-22 | Non-control rotation inhibition device for machine joint |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4028343B2 (en) * | 2002-10-11 | 2007-12-26 | 全日空モーターサービス株式会社 | Movable control platform for boarding bridge |
| CN201610222U (en) * | 2010-01-21 | 2010-10-20 | 蒂森克虏伯机场系统(中山)有限公司 | Boarding bridge with break chain protection |
| CN202966674U (en) * | 2012-11-02 | 2013-06-05 | 西安鸿顺机场设备有限公司 | Integral automatic leveling device |
| CN106364694B (en) * | 2016-09-26 | 2018-10-19 | 美迪斯智能装备有限公司 | A kind of front edge of airport pickup port driving structure with self-locking and high integration |
| CN206750175U (en) * | 2017-03-22 | 2017-12-15 | 美迪斯智能装备有限公司 | A kind of non-control of front edge of airport pickup port rotates suppression device |
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2017
- 2017-03-22 CN CN201710174984.9A patent/CN106938705B/en active Active
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