CN217972355U - Safety protection device for tower crane winch - Google Patents
Safety protection device for tower crane winch Download PDFInfo
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- CN217972355U CN217972355U CN202221325406.3U CN202221325406U CN217972355U CN 217972355 U CN217972355 U CN 217972355U CN 202221325406 U CN202221325406 U CN 202221325406U CN 217972355 U CN217972355 U CN 217972355U
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- tower crane
- spring
- connecting rod
- wall
- protection box
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Abstract
The utility model discloses a safety arrangement for tower crane hoist engine relates to hoist engine technical field, specifically is a safety arrangement for tower crane hoist engine, the on-line screen storage device comprises a base, the upper surface of base is provided with first protection box, the inside of first protection box is provided with the electromagnetism magnet ring, connect the through-hole has been seted up to the inside of first protection box, connect the inside sliding connection of through-hole has the connecting rod, the upper end of connecting rod is provided with the deadlock, the inner wall of first protection box is provided with places the board, the surface of placing the board is provided with an electric putter. This a safety arrangement for tower crane hoist engine sets up through the cooperation of speed sensor, second electric putter, gag lever post, third spring, rubber speed reduction pad and audible-visual annunciator to play the effect that reduces the potential safety hazard, improved the safety in utilization of hoist engine.
Description
Technical Field
The utility model relates to a hoist engine technical field specifically is a safety arrangement for tower crane hoist engine.
Background
A winch, a light and small hoisting device for hoisting or pulling heavy objects by winding a steel wire rope or a chain on a winding drum, which is also called a winch. The hoist can drag the heavy object vertically, horizontally or obliquely. The winding machine is divided into a manual winding machine, an electric winding machine and a hydraulic winding machine. Mainly an electric winch. Can be used independently, can also be used as a component part in machinery such as hoisting, road building, mine hoisting and the like, and is widely applied due to simple operation, large rope winding amount and convenient displacement. The lifting device is mainly applied to material lifting or flat dragging of buildings, hydraulic engineering, forestry, mines, wharfs and the like.
The existing winch braking system can be operated only under the condition of power, so that the winch encounters sudden power failure in the transportation process, particularly upwards lifts the transportation process, the goods reverse the reel under the action of gravity, slide downwards along the rail and possibly cause safety accidents, the use safety is low, meanwhile, the braking system of the winch is a quick-wear part, the abrasion problem occurs more easily, if the abrasion of a brake pad is too serious, the braking failure can be caused, also very serious potential safety hazards are caused, and safety accidents are possibly caused.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a safety arrangement for tower crane hoist engine has solved the problem of proposing in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a safety arrangement for tower crane hoist engine, includes the base, the upper surface of base is provided with first protection box, the inside of first protection box is provided with the electromagnetism magnet ring, connect the hole has been seted up to the inside of first protection box, connect the inside sliding connection of hole has the connecting rod, the upper end of connecting rod is provided with the jam plate, the inner wall of first protection box is provided with places the board, the surface of placing the board is provided with first electric putter, first electric putter's expansion end is provided with the adapter sleeve, the inside of adapter sleeve is provided with first spring, the one end of first spring is provided with the stopper, the surface of stopper is provided with the guide bar, guide bar sliding connection is in the inside of adapter sleeve, stopper sliding connection is in the inside of adapter sleeve, the lower surface of jam plate is provided with the second spring, the one end setting of second spring is on the inner wall of first protection box, cup joint of second spring is on the surface of connecting rod, connecting rod sliding connection is in the base.
Optionally, the upper surface of base is provided with the second guard box, the inside of second guard box is provided with the primary shaft pole, the surface of primary shaft pole rotates and is connected with the limiting plate, the surface of limiting plate is provided with the rubber speed reduction pad.
Optionally, the inner wall of the second protection box is provided with a connecting plate, the outer surface of the connecting plate is provided with a second electric push rod, the movable end of the second electric push rod abuts against the limiting plate, the outer surface of the limiting plate is provided with a third spring, and one end of the third spring is arranged on the inner wall of the second protection box.
Optionally, the upper surface of base is provided with the bracing piece, the upper end of bracing piece is provided with first supporting ring, the inside of first supporting ring is provided with the motor, the one end of motor output shaft is provided with the axis of rotation, the surface of axis of rotation is provided with the reel.
Optionally, the rotating shaft is rotatably connected inside the first protection box and the second protection box, a limiting fixture block is arranged on the outer surface of the rotating shaft, the limiting fixture block is matched with the position of the dead lock plate, and the limiting fixture block is located inside the first protection box.
Optionally, a rotation speed sensor is arranged on the inner wall of the second protection box, and an audible and visual alarm is arranged on the upper surface of the second protection box.
Optionally, the upper surface of the base is provided with a connecting rod, one end of the connecting rod is provided with a second support ring, the inner wall of the second support ring is provided with a bearing, and the rotating shaft is arranged on the inner wall of the bearing.
Optionally, the locking plate is made of a ferromagnetic material.
(III) advantageous effects
The utility model provides a safety arrangement for tower crane hoist engine possesses following beneficial effect:
1. the safety protection device for the tower crane winch is characterized in that the electromagnet ring, the locking plate, the limiting block, the first spring, the second spring and the limiting clamping block are arranged in a matched mode, in the using process, when current is normal, the current flows into the electromagnet ring, the electromagnet ring generates magnetism, the locking plate is adsorbed, the second spring is extruded, when the current is cut off, the electromagnet ring does not have current, the electromagnet ring loses magnetism, the locking plate moves upwards under the action of the elastic force of the second spring to extrude the limiting block, the limiting block extrudes the first spring to be contracted into the connecting sleeve, and when the limiting block is separated from being in contact with the locking plate, the limiting block is ejected under the action of the elastic force of the first spring, make the stopper butt to the lower extreme of locking the board, and the board butt of locking is to the axis of rotation this moment, under the effect of spacing fixture block, the axis of rotation of locking, thereby the effect of continuing the gliding when having played and preventing the goods outage, the purpose of improvement hoist engine security has been reached, and when the power switch-on again, shrink through first electric putter, make adapter sleeve and stopper remove, break away from the locking board, simultaneously under the magnetic force effect of electromagnetism iron ring, the locking board is adsorbed once more, break away from axis of rotation and spacing fixture block, make the hoist engine reuse, control through the user of service afterwards, the first electric putter of secondary control extends, make the stopper resume initial position.
2. This a safety arrangement for tower crane hoist, pass through speed sensor, second electric putter, the gag lever post, the third spring, rubber speed reduction pad and audible-visual annunciator's cooperation setting, in-process using, when user control braking system brakies, speed sensor is activated simultaneously, when speed sensor detects the rotational speed slew rate of axis of rotation less, send electrical signal, control second electric putter extends, make the gag lever post rotate, make rubber speed reduction pad butt to the axis of rotation, slow down the axis of rotation, touch big audible-visual annunciator simultaneously and report to the police, remind corresponding personnel to detect braking system, thereby the effect that reduces the potential safety hazard has been played, improve the safety in utilization of hoist.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the first protective box of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention at A in FIG. 2;
fig. 4 is a schematic top view of the present invention;
FIG. 5 is a front view of the present invention;
fig. 6 is a schematic diagram of the internal structure of the second protection box of the present invention.
In the figure: 1. a base; 2. a first protective box; 3. an electromagnet ring; 4. a connecting rod; 5. locking the plate; 6. A first electric push rod; 7. connecting sleeves; 8. a first spring; 9. a limiting block; 10. a second spring; 11. A second protection box; 12. a limiting plate; 13. a rubber deceleration pad; 14. a second electric push rod; 15. a third spring; 16. a support bar; 17. a first support ring; 18. a motor; 19. a rotating shaft; 20. a winding drum; 21. a limiting clamping block; 22. a rotational speed sensor; 23. an audible and visual alarm.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a safety arrangement for tower crane hoist, the on-line screen storage device comprises a base 1, the upper surface of base 1 is provided with first guard box 2, the inside of first guard box 2 is provided with electromagnetism magnet ring 3, connect the via hole has been seted up to the inside of first guard box 2, connect the inside sliding connection of via hole has connecting rod 4, the upper end of connecting rod 4 is provided with deadlocking plate 5, the inner wall of first guard box 2 is provided with places the board, the surface of placing the board is provided with first electric putter 6, the expansion end of first electric putter 6 is provided with adapter sleeve 7, the inside of adapter sleeve 7 is provided with first spring 8, the one end of first spring 8 is provided with stopper 9, the surface of stopper 9 is provided with the guide bar, guide bar sliding connection is in the inside of adapter sleeve 7, stopper 9 sliding connection is in adapter sleeve 7, the lower surface of deadlocking plate 5 is provided with second spring 10, the one end of second spring 10 sets up on the inner wall of first guard box 2, cup joint of second spring 10 is on the surface of connecting rod 4, connecting rod 4 sliding connection is in the base, axis of rotation is connected in the inside of first guard box 2 and second guard box 11, axis of rotation 19 is provided with the outside of rotation, the surface of second guard box 19, the stopper 21 is provided with the inside of stopper 21, the inside of stopper 5, the stopper 21, the inside of stopper 5 is located the inside of stopper 5 and the inside of stopper 5, the block, the inside of stopper 5, the block 21 looks of block, the block 21 looks adaptation of block, the inside of block.
When the electromagnetic locking mechanism is used, the electromagnetic locking plate 5, the limiting block 9, the first spring 8, the second spring 10 and the limiting clamping block 21 are matched, in the using process, when current is normal, the current flows into the electromagnetic locking plate 3, the electromagnetic locking plate 3 generates magnetism, the locking plate 5 is adsorbed, the second spring 10 is extruded, when power is off, no current exists in the electromagnetic locking plate 3, the electromagnetic locking plate 3 loses magnetism, the locking plate 5 moves upwards under the action of the elastic force of the second spring 10, the limiting block 9 is extruded to extrude the first spring 8 and contract into the connecting sleeve 7, after the limiting block 9 is separated from the locking plate 5, the limiting block 9 is ejected under the action of the elastic force of the first spring 8, the limiting block 9 is abutted to the lower end of the locking plate 5, the locking plate 5 is abutted to the rotating shaft 19 at the moment, the rotating shaft 19 is locked under the action of the limiting clamping block 21, the rotating shaft 19 is locked, the effect of preventing goods from sliding downwards continuously when power is off is achieved, the purpose of improving the safety of the dead machine is achieved, when the power source is switched on again, the push rod 6 is switched on again, the connecting sleeve 6 is contracted to enable the rotating shaft 7 to enable the limiting plate 5 to be separated from the rotating shaft 19, the limiting block 7, the pushing rod 6, the limiting plate 6 to be separated from the limiting block 21, the pushing rod 7, the pushing rod 21, the pushing rod 9, the pushing rod 21, the pushing rod 6, the pushing rod is controlled again, and the pushing rod 6, and the pushing rod 21, and the pushing rod is controlled again, and the pushing rod 6, and the pushing rod 21, and the pushing rod is controlled again, and the pushing rod 5 again, and the pushing rod is controlled by the pushing mechanism, and the pushing mechanism is controlled again, and the pushing mechanism is controlled by the pushing mechanism.
Example 2
Referring to fig. 4 to 6, the present invention provides a technical solution: the utility model provides a safety arrangement for tower crane hoist, the upper surface of base 1 is provided with second guard box 11, the inside of second guard box 11 is provided with the first axle rod, the surface of first axle rod rotates and is connected with limiting plate 12, the surface of limiting plate 12 is provided with rubber speed reduction pad 13, the inner wall of second guard box 11 is provided with the connecting plate, the surface of connecting plate is provided with second electric putter 14, the expansion end butt of second electric putter 14 is on limiting plate 12, the surface of limiting plate 12 is provided with third spring 15, the one end of third spring 15 sets up on the inner wall of second guard box 11, the upper surface of base 1 is provided with bracing piece 16, the upper end of bracing piece 16 is provided with first supporting ring 17, the inside of first supporting ring 17 is provided with motor 18, the one end of motor 18 output shaft is provided with axis of rotation 19, the surface of axis of rotation 19 is provided with reel 20, the inner wall of second guard box 11 is provided with speed sensor 22, the upper surface of second guard box 11 is provided with audible-visual annunciator 23, the upper surface of base 1 is provided with connecting rod 4, the one end of connecting rod 4 is provided with the second axis of rotation, the inner wall of second supporting ring is provided with the bearing, 19 sets up on the inner wall of bearing support ring.
During the use, through speed sensor 22, second electric putter 14, the gag lever post, third spring 15, rubber speed reduction pad 13 and audible-visual annunciator 23's cooperation sets up, in-process when the user controls braking system and brakies, speed sensor 22 is activated simultaneously, when speed sensor 22 detects the rotational speed decline speed of axis of rotation 19 less, send electrical signal, control second electric putter 14 extends, make the gag lever post rotate, make rubber speed reduction pad 13 butt to axis of rotation 19 on, slow down axis of rotation 19, touch loud audible-visual annunciator 23 simultaneously and report to the police, remind corresponding personnel to detect braking system, thereby played the effect that reduces the potential safety hazard, improve the safety in utilization of hoist engine.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a safety arrangement for tower crane hoist engine, includes base (1), its characterized in that: the upper surface of base (1) is provided with first protection box (2), the inside of first protection box (2) is provided with electromagnetism magnet ring (3), connect the hole has been seted up to the inside of first protection box (2), connect the hole's inside sliding connection has connecting rod (4), the upper end of connecting rod (4) is provided with deadlock board (5), the inner wall of first protection box (2) is provided with places the board, the surface of placing the board is provided with first electric putter (6), the expansion end of first electric putter (6) is provided with adapter sleeve (7), the inside of adapter sleeve (7) is provided with first spring (8), the one end of first spring (8) is provided with stopper (9), the surface of stopper (9) is provided with the guide bar, guide bar sliding connection is in the inside of adapter sleeve (7), stopper (9) sliding connection is in the inside of adapter sleeve (7), the lower surface of deadlock board (5) is provided with second spring (10), the one end of second spring (10) sets up on the inner wall of first protection box (2) cup joints, the surface of second spring (10) is connected in connecting rod (4) slides in connecting rod (1), base (4) is in connecting rod (4).
2. The safety protection device for the tower crane winch according to claim 1, wherein: the upper surface of base (1) is provided with second guard box (11), the inside of second guard box (11) is provided with the primary shaft pole, the surface of primary shaft pole rotates and is connected with limiting plate (12), the surface of limiting plate (12) is provided with rubber speed reduction pad (13).
3. The safety protection device for the tower crane winch according to claim 2, wherein: the inner wall of second guard box (11) is provided with the connecting plate, the surface of connecting plate is provided with second electric putter (14), the expansion end butt of second electric putter (14) is on limiting plate (12), the surface of limiting plate (12) is provided with third spring (15), the one end setting of third spring (15) is on the inner wall of second guard box (11).
4. The safety protection device for the tower crane winch according to claim 1, wherein: the upper surface of base (1) is provided with bracing piece (16), the upper end of bracing piece (16) is provided with first supporting ring (17), the inside of first supporting ring (17) is provided with motor (18), the one end of motor (18) output shaft is provided with axis of rotation (19), the surface of axis of rotation (19) is provided with reel (20).
5. The safety protection device for the tower crane winch according to claim 4, wherein: rotation axis (19) rotate and connect the inside at first guard box (2) and second guard box (11), the surface of rotation axis (19) is provided with spacing fixture block (21), spacing fixture block (21) and dead lock board (5) position looks adaptation, spacing fixture block (21) are located the inside of first guard box (2).
6. The safety protection device for the tower crane winch according to claim 2, wherein: the inner wall of the second protection box (11) is provided with a rotating speed sensor (22), and the upper surface of the second protection box (11) is provided with an audible and visual alarm (23).
7. The safety protection device for the tower crane winch according to claim 4, wherein: the upper surface of base (1) is provided with connecting rod (4), the one end of connecting rod (4) is provided with the second support ring, the inner wall of second support ring is provided with the bearing, axis of rotation (19) set up on the inner wall of bearing.
8. The safety protection device for the tower crane winch according to claim 1, wherein: the locking plate (5) is made of a ferromagnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325406.3U CN217972355U (en) | 2022-05-27 | 2022-05-27 | Safety protection device for tower crane winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325406.3U CN217972355U (en) | 2022-05-27 | 2022-05-27 | Safety protection device for tower crane winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217972355U true CN217972355U (en) | 2022-12-06 |
Family
ID=84268107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221325406.3U Active CN217972355U (en) | 2022-05-27 | 2022-05-27 | Safety protection device for tower crane winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217972355U (en) |
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2022
- 2022-05-27 CN CN202221325406.3U patent/CN217972355U/en active Active
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