CN212101720U

CN212101720U - Hoisting device with warning function

Info

Publication number: CN212101720U
Application number: CN202020628846.0U
Authority: CN
Inventors: 杜海峰; 杜海巍; 石文政; 张亮; 李星晨; 吕金彪; 杨祥亮; 蔡志勇; 王涛; 李海峰; 田壮; 刘博�; 王英波; 李伟; 张达; 张然; 高枫
Original assignee: Beijing Municipal Construction Co Ltd
Current assignee: Beijing Municipal Construction Co Ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-08
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a hoisting device with warning function, which comprises a bridge crane transversely arranged on the upper side of a bridge girder, wherein the bridge crane longitudinally slides along the bridge girder; a first screw rod is rotatably installed at the bottom of the bridge crane, a first threaded sleeve is connected to the first screw rod in a threaded mode, a sliding rod is fixedly installed at the bottom of the bridge crane, the first threaded sleeve is connected with the sliding rod in a sliding mode, and a lifting hook is installed below the first threaded sleeve; the bridge girder is fixedly provided with a distance sensor in a safety area, and a plurality of warning lamps are uniformly and fixedly arranged on the lower side of the bridge girder. The utility model discloses a fixed mounting has distance sensor in the safe area on the crane span structure roof beam, and the even fixed mounting of downside of crane span structure roof beam has a plurality of warning lights, plays the warning effect to ground and borehole operation personnel to improve operation personnel hoist and mount hidden danger consciousness and reduce hoist and mount hidden danger.

Description

Hoisting device with warning function

Technical Field

The utility model relates to a hoist technical field specifically is a hoist device with alarming function.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

The bridge crane in the prior art has a plurality of potential safety hazards in the use process, for example, the crane is not parked in a safe area as required, and when the crane is in operation or is parked, if a hoisting object exists on a lifting hook, the hoisting object is not taken down, and the potential safety hazards seriously affect the life safety of workers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist device with alarming function to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a hoisting device with a warning function comprises a bridge crane transversely erected on the upper side of a bridge girder, wherein the bridge crane longitudinally slides along the bridge girder; a first screw rod is rotatably installed at the bottom of the bridge crane, a first threaded sleeve is connected to the first screw rod in a threaded mode, a sliding rod is fixedly installed at the bottom of the bridge crane, the first threaded sleeve is connected with the sliding rod in a sliding mode, and a lifting hook is installed below the first threaded sleeve; be located safe area internal fixed mounting on the crane span structure roof beam and have distance sensor, the even fixed mounting of downside of crane span structure roof beam has a plurality of warning lights, still installs the PLC controller on the crane span structure roof beam, the input and the distance sensor electric connection of PLC controller, the output and a plurality of warning light electric connection of PLC controller.

As a further aspect of the present invention: a driving motor is fixedly mounted on the bridge crane, and the output end of the driving motor is in transmission connection with the first screw rod through a bevel gear set.

As a further aspect of the present invention: still fixed mounting has pressure sensor on the lifting hook, bridge crane's driver's cabin is inside to be provided with voice prompt device, PLC controller's input and pressure sensor electric connection, PLC controller's output and voice prompt device electric connection.

As a further aspect of the present invention: the crane further comprises a fixing mechanism, wherein the fixing mechanism comprises an inserted rod fixedly installed at the side edge of the bridge crane and a base fixedly installed at the end of the bridge girder.

As a further aspect of the present invention: the base bottom is rotated and is installed the second screw rod, and the left and right sides symmetrical screw thread of second screw rod has two second swivel nuts, and the left and right sides of second screw rod still symmetry is provided with two kinds of external screw threads that revolve to opposite, second swivel nut and base sliding connection, the upside fixed mounting of second swivel nut have splint, and a plurality of first stoppers are installed in proper order to the inboard from the top down of splint, a plurality of and first stopper matched with second stoppers are installed to the left and right sides symmetry of inserted bar.

As a further aspect of the present invention: and a rotating motor for driving the second screw rod to rotate is fixedly arranged on the base.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a fixed mounting has distance sensor in the safe area on the crane span structure roof beam, and the downside of crane span structure roof beam is even fixed mounting has a plurality of warning lights, when the hoist is not parked at appointed safe position, the action of distance induction system, the operation of hoist and mount warning system, the warning light that has hoist and mount dangerous area setting in hoist and mount passageway and shaft bottom lasts the scintillation and reports to the police, plays the warning effect to ground and borehole operation personnel to improve operation personnel's hoist and mount hidden danger consciousness and reduce the hoist and mount hidden danger;

2. still fixed mounting has pressure sensor on the lifting hook, and when the hoist was in operation or stopped transport, if there was the hoist and mount article not take off on the lifting hook, hoist and mount warning system operation, voice prompt device continuation carries out voice prompt and warning to operating the driver.

Drawings

Fig. 1 is a schematic structural view of a hoisting device with a warning function.

Fig. 2 is a top view of a bridge crane in the hoisting device with warning function.

Fig. 3 is a schematic structural diagram of a fixing mechanism in the hoisting device with a warning function.

Fig. 4 is a schematic structural view of an inserted rod in a hoisting device with a warning function.

In the figure: the device comprises a bridge girder 1, a warning light 2, a bridge crane 3, a first screw rod 4, a sliding rod 5, a first screw sleeve 6, a hook 7, a pressure sensor 8, a driving motor 9, a fixing mechanism 10, a base 11, a second screw rod 12, a second screw sleeve 13, a rotating motor 14, a clamping plate 15, a first limiting block 16, an inserted rod 17 and a second limiting block 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, in an embodiment of the present invention, a hoisting device with a warning function includes a bridge crane 3 transversely mounted on an upper side of a bridge girder 1, wherein the bridge crane 3 longitudinally slides along the bridge girder 1; the bottom of the bridge crane 3 is rotatably provided with a first screw rod 4, the first screw rod 4 is in threaded connection with a first threaded sleeve 6, the bottom of the bridge crane 3 is also fixedly provided with a slide rod 5, the first threaded sleeve 6 is in sliding connection with the slide rod 5, a lifting hook 7 is arranged below the first threaded sleeve 6, and the first threaded sleeve 6 is driven to slide left and right below the bridge crane 3 by rotating the first screw rod 4, so that the position of the lifting hook 7 is changed, and the lifting hook 7 can lift objects at various positions;

specifically, in this embodiment, the bridge crane 3 is fixedly provided with a driving motor 9, and an output end of the driving motor 9 is in transmission connection with the first screw rod 4 through a bevel gear set;

the bridge girder 1 is fixedly provided with a distance sensor in a safety area and used for detecting whether a bridge crane is parked in a designated safety position, a plurality of warning lamps 2 are uniformly and fixedly arranged on the lower side of the bridge girder 1, the bridge girder 1 is also provided with a PLC (programmable logic controller), the input end of the PLC is electrically connected with the distance sensor, the output end of the PLC is electrically connected with the plurality of warning lamps 2, when the crane is not parked in the designated safety position, the distance sensing device acts, a hoisting warning system operates, the warning lamps 2 arranged in the areas where hoisting danger exists at the bottom of a hoisting channel and a vertical shaft continuously flash and alarm, and play a warning role for ground and underground operators, so that the hoisting hidden danger awareness of the operators is improved and the hoisting hidden danger is reduced;

still fixed mounting has pressure sensor 8 on lifting hook 7 for whether detect lifting hook 7 and hang article, the inside voice prompt device that is provided with in driver's cabin of bridge crane 3, the input and the 8 electric connection of pressure sensor of PLC controller, the output and the voice prompt device electric connection of PLC controller, the hoist is when operation or outage, and hoist article do not take off if there is on the lifting hook 7, hoist and mount warning system operation, and voice prompt device continuation carries out voice prompt and warning to operating driver.

Example 2

Referring to fig. 2-4, the difference between the present embodiment and embodiment 1 is: the device also comprises a fixing mechanism 10, wherein the fixing mechanism 10 comprises an inserted rod 17 fixedly arranged at the side edge of the bridge crane 3 and a base 11 fixedly arranged at the end head of the bridge girder 1; the bottom of the base 11 is rotatably provided with a second screw 12, the left side and the right side of the second screw 12 are symmetrically in threaded connection with two second screw sleeves 13, the left side and the right side of the second screw 12 are further symmetrically provided with two external threads with opposite rotation directions, the second screw sleeves 13 are in sliding connection with the base 11, a clamping plate 15 is fixedly arranged on the upper side of each second screw sleeve 13, a plurality of first limiting blocks 16 are sequentially arranged on the inner side of each clamping plate 15 from top to bottom, a plurality of second limiting blocks 18 matched with the first limiting blocks 16 are symmetrically arranged on the left side and the right side of each insertion rod 17, when the bridge crane 3 stops at the side edge of the bridge beam 1, the insertion rods 17 are inserted into the base 11, and the insertion rods 17 are clamped by driving the two clamping plates 15, so that the first limiting blocks 16 and the second limiting blocks 18 are matched with each other;

specifically, in this embodiment, a rotating motor 14 for driving the second screw 12 to rotate is fixedly installed on the base 11.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A hoisting device with a warning function comprises a bridge crane (3) transversely erected on the upper side of a bridge girder (1), wherein the bridge crane (3) longitudinally slides along the bridge girder (1); the lifting device is characterized in that a first screw rod (4) is rotatably mounted at the bottom of the bridge crane (3), a first threaded sleeve (6) is connected to the first screw rod (4) in a threaded manner, a sliding rod (5) is fixedly mounted at the bottom of the bridge crane (3), the first threaded sleeve (6) is connected with the sliding rod (5) in a sliding manner, and a lifting hook (7) is mounted below the first threaded sleeve (6); the bridge frame roof beam (1) is located safe area internal fixed mounting and is had distance sensor, the even fixed mounting of downside of bridge frame roof beam (1) has a plurality of warning lights (2), still installs the PLC controller on bridge frame roof beam (1), the input and the distance sensor electric connection of PLC controller, the output and a plurality of warning lights (2) electric connection of PLC controller.

2. The hoisting device with the warning function as claimed in claim 1, wherein the bridge crane (3) is fixedly provided with a driving motor (9), and the output end of the driving motor (9) is in transmission connection with the first screw (4) through a bevel gear set.

3. The hoisting device with the warning function according to claim 2, wherein the lifting hook (7) is further fixedly provided with a pressure sensor (8), a voice prompt device is arranged inside a cab of the bridge crane (3), an input end of the PLC is electrically connected with the pressure sensor (8), and an output end of the PLC is electrically connected with the voice prompt device.

4. The hoisting device with the warning function according to any one of claims 1 to 3, further comprising a fixing mechanism (10), wherein the fixing mechanism (10) comprises an inserted rod (17) fixedly installed at the side of the bridge crane (3) and a base (11) fixedly installed at the end of the bridge girder (1).

5. The hoisting device with the warning function according to claim 4, wherein the base (11) is rotatably provided with a second screw (12) at the bottom, the left and right sides of the second screw (12) are symmetrically and threadedly connected with two second thread sleeves (13), the left and right sides of the second screw (12) are further symmetrically provided with two external threads with opposite rotation directions, the second thread sleeves (13) are slidably connected with the base (11), the clamping plate (15) is fixedly arranged on the upper side of the second thread sleeves (13), the plurality of first limiting blocks (16) are sequentially arranged on the inner side of the clamping plate (15) from top to bottom, and the plurality of second limiting blocks (18) matched with the first limiting blocks (16) are symmetrically arranged on the left and right sides of the inserting rod (17).

6. The hoisting device with the warning function according to claim 5, wherein the base (11) is fixedly provided with a rotating motor (14) for driving the second screw rod (12) to rotate.