CN217758139U - Lifting hook for rail steel transfer - Google Patents

Abstract

The utility model provides a lifting hook is used in track steel transfer, relates to track laying technical field in the tunnel, including two walking tracks and two at least handling dollies, the handling dolly is in walking on the walking track, the handling dolly includes walking frame, hoist engine, setting element and gallows, the walking frame falls walking on the walking track, the hoist engine is installed on the walking frame, the setting element is installed on the gallows, the vertical wire rope that the hoist engine was transferred passes the setting element wire rope's lower tip has hung the gallows, the gallows includes crossbeam, actuating mechanism and two pairs of clamping jaws that can open and shut, actuating mechanism installs just actuating mechanism is used for control on the crossbeam opening and shutting of clamping jaw.

Description

Lifting hook for rail steel transfer

Technical Field

The utility model relates to a technical field is laid to the track in the tunnel, concretely relates to lifting hook is transported to track steel.

Background

The method comprises the following steps of (1) laying a track in a tunnel, firstly binding a steel bar mesh in a base, then installing side dies on two sides of the steel bar mesh, when a concrete sleeper is laid, in order to improve the firm connection stability of the sleeper and the base, generally embedding the lower end of the sleeper into the base for pouring and fixing, processing a row of through holes on the sleeper, putting the sleeper on a support column in the base, penetrating steel bars into the through holes, binding the steel bars with the steel bar mesh, after the sleeper is laid, installing steel rails on the sleeper and fixing the steel rails with fasteners, and finally pouring concrete to fixedly connect the base and the sleeper; when the rail was in the hoist and mount installation, current handling dolly can only single rail hoist, but because the rail installation is the double track, and the double track interval needs the accurate positioning, consequently current handling mode not only inefficiency, and can't accurate positioning distance between the double track when the handling, needs adjustment by a wide margin when fixed with the fastener.

Disclosure of Invention

In order to solve the problem of the prior art, the utility model provides a track steel transfer application lifting hook can direct handling double track to the position that the sleeper was transferred to double track interval, double track can both pinpoint, and the adjustment frequency when reducing the installation fastener improves the installation effectiveness.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a lifting hook is used in track steel transfer, includes two walking tracks and two at least handling dollies, the handling dolly is in walking on the walking track, the handling dolly includes walking frame, hoist engine, setting element and gallows, the walking frame falls walk on the walking track, the hoist engine is installed on the walking frame, the setting element is installed on the gallows, the vertical wire rope that the hoist engine was transferred passes the setting element wire rope's lower tip has hung the gallows, the gallows includes crossbeam, actuating mechanism and two pairs of clamping jaws that can open and shut, actuating mechanism installs on the crossbeam just actuating mechanism is used for control opening and shutting of clamping jaw.

Preferably, the driving mechanism comprises a first motor, a chain sprocket and a rotating shaft, the first motor is mounted on the cross beam, the rotating shaft is rotatably mounted below the cross beam, the first motor is dynamically mounted with the rotating shaft through the chain sprocket, two ends of the rotating shaft are respectively provided with a screw, and the threads of the two screws are arranged in a rotation direction and symmetry; every the screw thread of screw rod both ends is revolved to the opposite direction, every the both ends of screw rod are threaded respectively and are installed the clamping jaw, and is same two on the screw rod the clamping jaw symmetry sets up.

Preferably, a polish rod is arranged in parallel with the screw rod, and the polish rod penetrates through the clamping jaw in a sliding mode.

Preferably, the positioning piece is a vertically arranged sleeve, the sleeve is fixedly mounted on the walking frame, and the steel wire rope penetrates through an inner hole of the sleeve.

Preferably, the winch comprises a second motor and two coaxially mounted winding drums, the second motor is in power rotation connection with the winding drums, one steel wire rope is wound on each winding drum, and one sleeve is mounted below each steel wire rope.

Preferably, the walking frame comprises a portal type hoisting frame, walking wheels are mounted at the lower ends of the two sides of the hoisting frame, and the walking wheels fall on the walking track to walk.

The utility model discloses a theory of use and beneficial effect are: when a steel rail is hoisted, usually two hoisting trolleys synchronously and cooperatively work, the traveling frame moves along a traveling track, after the hoisting frame travels to the position above the steel rail, the second starting motor drives the winding drum to rotate, the steel wire rope extends downwards to lower the hoisting frame, the first starting motor rotates after the clamping jaws reach the steel rail, the first motor drives the rotating shaft to rotate through the chain sprocket, the two clamping jaws on the screw rod approach each other to clamp the steel rail, and meanwhile, the clamping jaws are slidably arranged on the polished rod to be positioned along with the rotation of the screw rod; after the clamping jaws clamp the steel rail, the winch upwards packs up the steel wire rope, the steel rail is hoisted, the distance between the two pairs of clamping jaws is equal to the installation distance between the double steel rails, meanwhile, the vertical hoisting height of the steel rail and the position of the steel rail on the sleeper are synchronously aligned through the positions of the walking rail, the walking frame and the hanging frame, the hoisting trolley hoists the steel rail to the upper part of the sleeper, the winch is started, the two steel rails are synchronously placed on the sleeper, the motor is started to drive the rotating shaft to rotate reversely, the two pairs of clamping jaws synchronously loosen the steel rail, and the hoisting of the steel rail is completed.

Drawings

Fig. 1 is a schematic view of a main structure of a hoisting state of the embodiment of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic front view of the no-load state of the embodiment of the present invention.

Fig. 4 is an enlarged schematic view of B in fig. 3.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

The invention is further described with reference to the following figures and examples.

Examples

The utility model provides a lifting hook is used in track steel transfer, includes two walking tracks 1 and two at least handling dollies, the handling dolly is in walking on the walking track 1, the handling dolly includes walking frame 2, hoist engine 3, setting element 4 and gallows, walking frame 2 falls walking on the walking track 1, hoist engine 3 is installed walking frame 2 is last, setting element 4 is installed on the gallows, the vertical wire rope 31 that 3 hoists of hoist engine transferred passes setting element 4 the lower tip of wire rope 31 has hung the gallows, the gallows includes crossbeam 51, actuating mechanism 52 and two pairs of clamping jaws 53 that can open and shut, actuating mechanism 52 installs on the crossbeam 51 just actuating mechanism 52 is used for control opening and shutting of clamping jaw 53.

The driving mechanism 52 comprises a first motor 521, a chain sprocket 522 and a rotating shaft 523, wherein the first motor 521 is mounted on the cross beam 51, the rotating shaft 523 is rotatably mounted below the cross beam 51, the first motor 521 is dynamically mounted with the rotating shaft 523 through the chain sprocket 522, screw rods 524 are arranged at two ends of the rotating shaft 523, and threads of the two screw rods 524 are arranged in a rotating direction and symmetrically; the thread turning directions of the two ends of each screw 524 are opposite, clamping jaws 53 are respectively installed at the two ends of each screw 524 in a threaded manner, and the two clamping jaws 53 on the same screw 524 are symmetrically arranged; a polish rod 525 is arranged parallel to the screw 524, the polish rod 525 sliding through the clamping jaw 53. Two clamping jaws 53 mounted on the same screw 524 are paired, and the two pairs of clamping jaws 53 can synchronously realize the clamping and opening states through the rotation of the rotating shaft 523.

Wherein, setting element 4 is the sleeve 4 of vertical setting, 4 fixed mounting of sleeve are in on the walking frame 2, wire rope 31 passes the hole of sleeve 4, the diameter of hole slightly is greater than wire rope 31 can, simultaneously in order to avoid wire rope 31 to produce the fracture with the hole friction of sleeve 4 when hoist and mount, can imbed one deck wearing layer in the hole, the material of wearing layer uses hard rubber as preferred material, other materials that can play the abrasionproof also.

The winch 3 comprises a second motor 33 and two coaxially mounted winding drums 32, the second motor 33 is in power rotation connection with the winding drums 32, one steel wire rope 31 winds on each winding drum 32, and one sleeve 4 is mounted below each steel wire rope 31. The walking frame 2 comprises a portal lifting frame 21, walking wheels 22 are mounted at the lower ends of the two sides of the lifting frame 21, and the walking wheels 22 fall on the walking track 1 to walk.

The utility model discloses theory of use and beneficial effect are: when a steel rail is hoisted, usually two hoisting trolleys synchronously and cooperatively work, the traveling frame 2 moves along the traveling track 1, after the hoisting frame 21 travels to the position above the steel rail, the winding drum 32 is driven to rotate by the second starting motor 33, the steel wire rope 31 extends downwards to lower the hoisting frame, after the clamping jaw 53 reaches the steel rail, the first starting motor 521 rotates, the first motor 521 drives the rotating shaft 523 to rotate through the chain sprocket 522, the two clamping jaws 53 on the screw 524 approach each other to clamp the steel rail, and meanwhile, the clamping jaw 53 is slidably installed on the polished rod 525 to be positioned in order to prevent the clamping jaw 53 from rotating along with the screw 524; after the clamping jaws 53 clamp the steel rail, the winch 3 upwards packs up the steel wire rope 31 to hoist the steel rail, the distance between the two pairs of clamping jaws 53 is equal to the installation distance between the two steel rails, and meanwhile, the hoisting vertical height of the steel rail can be synchronously aligned with the position of the steel rail on the sleeper through the positions of the walking rail 1, the walking frame 2 and the hanging frame, so that after the steel rail is hoisted to the upper part of the sleeper by the hoisting trolley, the winch 3 is started to synchronously lower the two steel rails onto the sleeper, the motor I521 is started to drive the rotating shaft 523 to rotate reversely, the two pairs of clamping jaws 53 synchronously loosen the steel rail, and hoisting of the steel rail is completed.

The structure, proportion, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention does not have the essential significance in technology, and the modification of any structure, the change of proportion relation or the adjustment of size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The present invention has been described above with reference to the preferred embodiments, but the scope of protection of the present invention is not limited thereto, and all technical solutions falling within the scope of the claims are within the scope of protection of the present invention. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.

Claims (6)

1. The utility model provides a lifting hook is used in track steel transfer, its characterized in that includes two walking tracks (1) and two at least handling dollies, the handling dolly is in walk on the walking track (1), the handling dolly includes walking frame (2), hoist engine (3), setting element (4) and gallows, walking frame (2) fall walk on the walking track (1), install hoist engine (3) on walking frame (2), setting element (4) are installed on the gallows, wire rope (31) vertical the passing of lowering of hoist engine (3) setting element (4) the lower tip of wire rope (31) is hung the gallows, the gallows includes crossbeam (51), actuating mechanism (52) and two pairs of clamping jaw (53) that can open and shut, actuating mechanism (52) are installed on crossbeam (51) and actuating mechanism (52) are used for control the opening and shutting of clamping jaw (53).

2. The lifting hook for rail steel transfer according to claim 1, wherein the driving mechanism (52) comprises a first motor (521), a chain sprocket (522) and a rotating shaft (523), the first motor (521) is mounted on the cross beam (51), the rotating shaft (523) is rotatably mounted below the cross beam (51), the first motor (521) is dynamically mounted with the rotating shaft (523) through the chain sprocket (522), two ends of the rotating shaft (523) are provided with screws (524), and the threads of the two screws (524) are symmetrically arranged; the screw thread turning directions at the two ends of each screw rod (524) are opposite, clamping jaws (53) are respectively installed at the two ends of each screw rod (524) in a threaded mode, and the two clamping jaws (53) on the same screw rod (524) are symmetrically arranged.

3. A rail steel transfer hook according to claim 2, characterized in that a polish rod (525) is arranged parallel to the screw (524), the polish rod (525) sliding through the clamping jaw (53).

4. A lifting hook for rail steel transfer according to claim 3, wherein the positioning member (4) is a vertically arranged sleeve (4), the sleeve (4) is fixedly mounted on the travelling frame (2), and the steel wire rope (31) passes through an inner hole of the sleeve (4).

5. A rail steel transfer hook as claimed in claim 4, wherein the hoist (3) comprises a second motor (33) and two co-axially mounted drums (32), the second motor (33) being in powered rotational connection with the drums (32), one cable (31) being wound around each drum (32), and one sleeve (4) being mounted below each cable (31).

6. A lifting hook for rail steel transfer according to claim 5, wherein the walking frame (2) comprises a door-type lifting frame (21), walking wheels (22) are mounted at the lower ends of the two sides of the lifting frame (21), and the walking wheels (22) fall on the walking rail (1) to walk.

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