CN221070731U - Electromagnetic rotation limiting device and tower assembling construction device - Google Patents
Electromagnetic rotation limiting device and tower assembling construction device Download PDFInfo
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- CN221070731U CN221070731U CN202322944061.0U CN202322944061U CN221070731U CN 221070731 U CN221070731 U CN 221070731U CN 202322944061 U CN202322944061 U CN 202322944061U CN 221070731 U CN221070731 U CN 221070731U
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- 230000000670 limiting effect Effects 0.000 title claims abstract description 93
- 238000010276 construction Methods 0.000 title claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000006698 induction Effects 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model belongs to the field of assembly construction of transmission line iron towers, and discloses an electromagnetic rotation limiting device and an assembly construction device; the electromagnetic rotation limiting device comprises an electromagnetic limiting device, an induction triggering device and an energy supply device; the electromagnetic limiting device comprises an electromagnetic driving device; the electromagnetic driving device comprises a limiting pin shaft for limiting the rocker arm of the ground holding pole; the sensing triggering device is used for sensing the rocker arm position of the ground holding pole, when the sensing triggering device senses that the rocker arm reaches a preset sensing position, the energy supply device is controlled to supply power to the electromagnetic driving device, the limiting pin shaft extends into the rocker arm, and the rocker arm of the ground holding pole is limited. The device has simple structure, is convenient to install and disassemble, and can be reused after being disassembled, so that the use cost is reduced; the technical problem of rocker arm folding self-locking of the rocker arm falling to the ground and holding pole can be effectively solved.
Description
Technical Field
The utility model belongs to the field of assembly construction of transmission line iron towers, and particularly relates to an electromagnetic rotation limiting device and an assembly construction device.
Background
The assembly of the transmission line iron tower is an important link with large engineering quantity, high construction difficulty and multiple technical links in the construction of the power grid. The rocker arm floor pole can realize double-side simultaneous lifting work relative to the inner suspension pole, the construction efficiency is high, and the rocker arm pole upright post is directly supported on the ground, so that the structural stability and the safety are good, and the rocker arm floor pole is one of common and important construction equipment for the current tower assembly construction.
The basic structure of the existing rocker arm floor-type holding pole comprises: the hoisting steel wire rope, the amplitude steel wire rope, the mast, the rocker arm, the rod body and the like, and the rocker arm realizes amplitude variation through the movement of the amplitude steel wire rope. When the rocker arm falls to the ground and the pole body reaches a certain height, the length of the amplitude variation and lifting steel wire rope is increased, so that the dead weight of the rocker arm is increased, and when the horizontal angle of the rocker arm reaches a critical angle, the rocker arm can be folded and self-locked due to the action of the traction force of the steel wire rope and wind load on the rocker arm.
At present, the rocker arm holding pole is not provided with a self-locking prevention device, and potential safety hazards exist in a mode of manually or grinding the rocker arm holding pole in a towing mode below, so that safety accidents are easy to occur.
Disclosure of utility model
The utility model aims to provide an electromagnetic rotation limiting device and a tower assembling construction device, which are used for solving the technical problem of rocker arm folding self-locking of a rocker arm falling ground holding pole.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
In a first aspect, the utility model provides an electromagnetic rotation limiting device, comprising an electromagnetic limiting device, an induction triggering device and an energy supply device; the electromagnetic limiting device comprises an electromagnetic driving device; the electromagnetic driving device comprises a limiting pin shaft for limiting the rocker arm of the ground holding pole; the sensing triggering device is used for sensing the rocker arm position of the ground holding pole, when the sensing triggering device senses that the rocker arm reaches a preset sensing position, the energy supply device is controlled to supply power to the electromagnetic driving device, the limiting pin shaft extends into the rocker arm, and the rocker arm of the ground holding pole is limited.
The utility model is further improved in that: the electromagnetic driving device comprises an electromagnetic coil, a fixed iron core, a spring and a limiting pin shaft; the electromagnetic coil is internally provided with a fixed iron core, the fixed iron core is connected with a guide rod, a limiting pin shaft is arranged on the guide rod, a movable iron core is fixed on one side of the limiting pin shaft, which is close to the fixed iron core, and a spring sleeved on the guide rod is arranged between the fixed iron core and the movable iron core; when the electromagnetic coil is in an electrified state, the movable iron core drives the limiting pin shaft to extend out of the electromagnetic driving device along the guide rod away from the fixed iron core; when the electromagnetic coil is in a power-off state, the movable iron core drives the limiting pin shaft to retract the electromagnetic driving device along the guide rod and close to the fixed iron core.
The utility model is further improved in that: the tail end of one end of the limiting pin shaft, which is far away from the fixed iron core, is provided with a universal wheel; the universal wheel is used for forming rolling friction with a rocker arm of the ground holding pole.
The utility model is further improved in that: the induction triggering device is a proximity switch; the induction triggering device is arranged on the electromagnetic limiting device.
The utility model is further improved in that: the electromagnetic driving device is a normally open type direct-acting electromagnetic valve; the energy supply device is a storage battery.
The utility model is further improved in that: further comprises: a ground remote control switch; the ground remote control switch is used for remotely controlling the power-off of the energy supply device.
In a second aspect, the utility model provides a tower-assembled construction device, which comprises a floor-type derrick and the electromagnetic rotation limiting device; the electromagnetic limiting device of the electromagnetic rotation limiting device is arranged at the hinge joint of the rotary joint of the ground holding pole and the rocker arm.
The utility model is further improved in that: the rocker arm is provided with a limit groove matched with the limit pin shaft; the limit groove is an arc limit groove taking the rotating shaft of the rocker arm as the center.
The utility model is further improved in that: the inner wall of the limit groove is connected with a baffle through a spring device; the baffle is used for elastically propping against the side wall extending into the limit groove under the action of the spring device.
The utility model is further improved in that: when the sensing triggering device senses that the rocker arm reaches a preset sensing position state, the limiting pin shaft is in an extending state and extends into the limiting groove of the rocker arm.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model provides an electromagnetic rotation limiting device and a tower assembling construction device; the electromagnetic rotation limiting device comprises an electromagnetic limiting device, an induction triggering device and an energy supply device; the electromagnetic limiting device comprises an electromagnetic driving device; the electromagnetic driving device comprises a limiting pin shaft for limiting the rocker arm of the ground holding pole; the sensing triggering device is used for sensing the rocker arm position of the ground holding pole, when the sensing triggering device senses that the rocker arm reaches a preset sensing position, the energy supply device is controlled to supply power to the electromagnetic driving device, the limiting pin shaft extends into the rocker arm, and the rocker arm of the ground holding pole is limited. The device has simple structure, is convenient to install and disassemble, and can be reused after being disassembled, so that the use cost is reduced; the technical problem of rocker arm folding self-locking of the rocker arm falling to the ground and holding pole can be effectively solved.
The utility model can monitor and control the rocker arm furling self-locking in real time in the tower assembling construction process, reduces the use risk of the holding pole and improves the safety and reliability of the tower assembling construction.
The utility model adopts the data wireless transmission technology, avoids the interference of overlong signal wires on data, and simultaneously avoids the influence of the signal wires on the tower crane assembly process.
The utility model can realize the intelligent rocker arm to prevent self-locking, reduce the workload of constructors, save resources and reduce engineering cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of an installation state of an electromagnetic rotation limiting device for preventing a rocker arm from being folded and self-locking by a ground holding pole;
fig. 2 is a schematic cross-sectional view of an electromagnetic rotation limiting device for preventing a rocker arm from being folded and self-locking for a ground holding pole.
Detailed Description
The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The following detailed description is exemplary and is intended to provide further details of the utility model. Unless defined otherwise, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the utility model.
Referring to fig. 1, the utility model provides an electromagnetic rotation limiting device for preventing a rocker arm of a ground holding pole from folding and self-locking, which comprises an electromagnetic limiting device 1, a proximity switch 2, a storage battery 3 and a ground remote control switch (not shown). The limiting device 1 is arranged at the hinge joint of the rotary joint 100 and the rocker arm 101. The rocker arm 101 is provided with a limit groove 1010.
Referring to fig. 2, the electromagnetic limiting device 1 includes two sets of normally open type direct-acting electromagnetic valves; each set of normally open type direct-acting electromagnetic valve comprises: electromagnetic coil 11, fixed iron core 12, spring 13, spacing round pin axle 14, universal wheel 15. The electromagnetic coil 11 is provided with a fixed iron core 12, a guide rod 122 is connected to the fixed iron core 12, a limiting pin 14 is arranged on the guide rod 122, a movable iron core 121 is fixed on one side, close to the fixed iron core 12, of the limiting pin 14, and a spring 13 sleeved on the guide rod 122 is arranged between the fixed iron core 12 and the movable iron core 121. The end of the limiting pin shaft 14, which is far away from the fixed iron core 12, is provided with a universal wheel 15.
The electromagnetic limiting device 1 adopts a normally open type direct-acting electromagnetic valve, when the electromagnetic force of the electromagnetic coil 11 disappears when the power is on, the limiting pin 14 pops up, and the limiting pin 14 enters the limiting groove 1010 of the rocker arm 101. The inner wall of the limit groove 1010 is connected with a baffle 1012 through a spring device 1011. The limit groove 1010 is an arc limit groove centered on the rotation axis of the rocker arm 101; the limiting pin shaft 14 is set to be in 70-degree contact with the baffle 1012, the baffle 1012 is abutted against the side wall of the limiting pin shaft 14, the rocker arm 101 can stop folding movement before 80 degrees, and the universal wheel 15 can play a role in reducing friction loss when the limiting pin shaft 14 is in contact with the rocker arm 101. The extending direction of the limit pin 14 is parallel to the rotating shaft direction of the rocker arm 101.
A proximity switch 2 is arranged on the electromagnetic limiting device 1; the folding horizontal angle of the rocker arm 101 of the double-rocker-arm holding pole is 87 degrees, the proximity switch 2 is set to be triggered at the horizontal angle of the rocker arm 101 of 68 degrees, the proximity switch 2 is in wireless connection with a wireless switch of the storage battery 3, and wireless switch signals are given to the storage battery 3 after the triggering.
The start of the wireless switch of the battery 3 is used for controlling whether the battery 3 supplies power to the electromagnetic coil 11 in the electromagnetic limiting device 1.
Ground remote control switch: the device is used for controlling the power-off of the storage battery 3 on the ground, when the double-rocker-arm holding pole needs to work normally, a remote control signal is sent to a wireless switch of the storage battery 3 through a ground remote control switch, and then the electromagnetic limiting device 1 is controlled to power off, so that the limiting pin 14 is retracted to release the limitation on the rocker arm 101.
The utility model provides a working principle of an electromagnetic rotation limiting device for preventing a rocker arm from being folded and self-locking by a floor-type holding pole, which comprises the following steps:
When the rocker arm 101 is folded to a critical angle (the horizontal angle is 68 DEG), the proximity switch 2 is triggered, the proximity switch 2 sends out a signal, the storage battery 3 is controlled to be electrified through the wireless switch, the storage battery 3 supplies power to the electromagnetic coil 11, the electromagnetic force disappears to enable the limit pin 14 to pop up under the action of the spring 13 and enter the limit groove 1010 of the rocker arm 101, and the limit effect is achieved. The limiting pin 14 is set to be in 70-degree contact with the baffle 1012, and the baffle 1012 abuts against the side wall of the limiting pin 14, so that the rocker arm 101 can stop folding movement before 80 degrees.
When the rocker arm 101 needs to work normally, the wireless switch is controlled through the ground remote control switch, the storage battery 3 is controlled to be powered off, the electromagnetic coil 11 is powered off, the fixed iron core 12 attracts the movable iron core 121 to drive the limiting pin 14 to retract into the electromagnetic limiting device 1 against the elastic force of the spring 13, and the limiting effect on the rocker arm 101 is relieved.
Example 2
Referring to fig. 1, the utility model also provides a tower-assembling construction device, which comprises a ground holding pole and the electromagnetic rotation limiting device in the embodiment 1; the electromagnetic rotation limiting device comprises an electromagnetic limiting device 1, an induction triggering device and an energy supply device; the electromagnetic limiting device 1 is arranged at the hinge joint of the rotary joint 100 of the ground holding pole and the rocker arm 101.
The electromagnetic limiting device 1 comprises an electromagnetic driving device; the electromagnetic driving device comprises a limiting pin 14 for limiting the rocker arm of the ground holding pole; the sensing triggering device is used for sensing the rocker arm position of the ground pole, when the sensing triggering device senses that the rocker arm reaches a preset sensing position, the energy supply device is controlled to supply power to the electromagnetic driving device, and the limiting pin shaft 14 extends into the rocker arm 101 to limit the rocker arm of the ground pole.
The rocker arm 101 is provided with a limit groove 1010 matched with the limit pin 14; the limit groove 1010 is an arc limit groove centered on the rotation axis of the rocker arm 101; the inner wall of the limit groove 1010 is connected with a baffle 1012 through a spring device 1011; the baffle 1012 is used for elastically supporting the side wall extending into the limit groove 1010 under the action of the spring device 1011.
When the induction triggering device induces the rocker arm 101 to reach a preset induction position, the energy supply device is controlled to supply power to the electromagnetic driving device, and the limiting pin shaft 14 extends into the limiting groove 1010 of the rocker arm 101; the included angle between the rocker arm 101 and the horizontal plane is 66-69 degrees when the rocker arm reaches a preset sensing position; preferably 68.
When the rocker arm 101 rotates to an included angle of 70-77 degrees (preferably 70 degrees) with the horizontal plane, the side wall of the limit pin 14 contacts the baffle 1012 in the limit groove 1010;
When the rocker arm 101 rotates to an included angle of 78-80 degrees (preferably 80 degrees) with the horizontal plane, the side wall of the limiting pin 14 contacts the baffle 1012 in the limiting groove 1010, the spring device 1011 is compressed to the compression limit, and the folding movement of the rocker arm 101 is stopped; the baffle 1012 and the spring device 1011 are arranged, so that the impact of the movement of the rocker arm 101 to the limit pin 14 is effectively reduced, and meanwhile, a certain elastic resilience force can be provided in the resetting process of the rocker arm 101.
It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.
Claims (10)
1. The electromagnetic rotation limiting device is characterized by comprising an electromagnetic limiting device (1), an induction triggering device and an energy supply device;
the electromagnetic limiting device (1) comprises an electromagnetic driving device; the electromagnetic driving device comprises a limiting pin shaft (14) for limiting a rocker arm of the ground holding pole;
The induction triggering device is used for inducing the rocker arm position of the ground holding pole, when the induction triggering device induces the rocker arm to reach a preset induction position, the energy supply device is controlled to supply power to the electromagnetic driving device, and the limiting pin shaft (14) extends into the rocker arm to limit the rocker arm of the ground holding pole.
2. The electromagnetic rotation limiting device according to claim 1, characterized in that the electromagnetic driving device comprises an electromagnetic coil (11), a fixed iron core (12), a spring (13) and a limiting pin (14);
A fixed iron core (12) is arranged in the electromagnetic coil (11), a guide rod (122) is connected to the fixed iron core (12), a limiting pin shaft (14) is arranged on the guide rod (122), a movable iron core (121) is fixed on one side, close to the fixed iron core (12), of the limiting pin shaft (14), and a spring (13) sleeved on the guide rod (122) is arranged between the fixed iron core (12) and the movable iron core (121);
When the electromagnetic coil (11) is in an electrified state, the movable iron core (121) drives the limiting pin shaft (14) to extend out of the electromagnetic driving device along the guide rod (122) away from the fixed iron core (12);
when the electromagnetic coil (11) is in a power-off state, the movable iron core (121) drives the limiting pin shaft (14) to retract the electromagnetic driving device along the guide rod (122) close to the fixed iron core (12).
3. The electromagnetic rotation limiting device according to claim 2, characterized in that a universal wheel (15) is arranged at the tail end of one end of the limiting pin shaft (14) far away from the fixed iron core (12); the universal wheel (15) is used for forming rolling friction with a rocker arm of the ground holding pole.
4. The electromagnetic rotation limiter according to claim 1, wherein the inductive trigger device is a proximity switch; the induction triggering device is arranged on the electromagnetic limiting device (1).
5. The electromagnetic rotation limiter according to claim 1, wherein the electromagnetic drive is a normally open direct-acting solenoid valve; the energy supply device is a storage battery.
6. The electromagnetic rotation limiter of claim 1, further comprising: a ground remote control switch; the ground remote control switch is used for remotely controlling the power-off of the energy supply device.
7. A tower-assembled construction device, characterized by comprising a floor-standing pole and the electromagnetic rotation limiting device of any one of claims 1 to 6; the electromagnetic limiting device (1) of the electromagnetic rotation limiting device is arranged at the hinge joint of the rotary joint (100) of the floor pole and the rocker arm (101).
8. The tower construction device according to claim 7, wherein the rocker arm (101) is provided with a limit groove (1010) matched with the limit pin (14); the limit groove (1010) is an arc limit groove with the rotation axis of the rocker arm (101) as the center.
9. The tower construction assembly according to claim 8, wherein the inner wall of the limit groove (1010) is connected with a baffle (1012) through a spring device (1011); the baffle (1012) is used for elastically propping against the side wall extending into the limit groove (1010) under the action of the spring device (1011).
10. The tower construction device according to claim 8, wherein the limit pin (14) is in an extended state and extends into the limit groove (1010) of the rocker arm (101) when the induction triggering device induces the rocker arm (101) to reach a preset induction position state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322944061.0U CN221070731U (en) | 2023-10-31 | 2023-10-31 | Electromagnetic rotation limiting device and tower assembling construction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322944061.0U CN221070731U (en) | 2023-10-31 | 2023-10-31 | Electromagnetic rotation limiting device and tower assembling construction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221070731U true CN221070731U (en) | 2024-06-04 |
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ID=91252280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322944061.0U Active CN221070731U (en) | 2023-10-31 | 2023-10-31 | Electromagnetic rotation limiting device and tower assembling construction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221070731U (en) |
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2023
- 2023-10-31 CN CN202322944061.0U patent/CN221070731U/en active Active
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