CN211419371U

CN211419371U - Hoist type crane for vertical shaft

Info

Publication number: CN211419371U
Application number: CN201922280688.4U
Authority: CN
Inventors: 姚文韬; 丁祥辰; 杨慧芳; 闫晓妮; 郑赫; 张素霞
Original assignee: Xinxiang Hoisting Equipment Factory Co ltd
Current assignee: Xinxiang Hoisting Equipment Factory Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-04
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a calabash formula hoist that shaft used, including the rail motion mechanism, parallelly connected hoisting mechanism, the calabash chassis, the hoist operation dolly, the rail motion mechanism is for operating the operating device on the I-steel track, install the I-steel track under the girder steel of vertical shaft mouth plane top or under the concrete beam, the calabash is whole to be hung on the I-steel track, can shift to the sky on well head next door after promoting equipment from the shaft mouth, the hoist operation dolly adopts four dollies, and four dollies hang on the track I-steel, the last reel of parallelly connected hoisting mechanism is parallelly connected mode, the welding has the working support that is used for installing operating device on the calabash chassis, the hoist is used for focus balance. According to the technical scheme, the operation can be realized only by installing the I-steel for operation at the top of the tunnel, the operating conditions and the use requirements of equipment installation, maintenance and the like are met, a bridge crane is not needed, and a crane installation and use structure is provided for the environment in the tunnel and limited by the vertical shaft.

Description

Hoist type crane for vertical shaft

Technical Field

The utility model relates to a hoist type crane, the environment that specially adapted hole inside, shaft and space are restricted uses.

Background

Generally, in a tunnel, a vertical shaft and a space-limited environment, most of used hoisting equipment and manned equipment adopt a winch or a bridge crane, the safety and reliability of the general winch are poor, the function is single, the working efficiency is low, the construction period of consistent engineering is long, a special track for the bridge crane needs to be laid in the limited space environment of the bridge crane in the tunnel, and the working conditions can not meet the requirement of laying the track of the bridge crane.

Patent number 2018208826865 granted by the national patent office, entitled: the utility model provides a hoist is used in dismouting of large-scale hydraulic support in colliery which characterized in that: the mine anti-explosion electric single-beam crane comprises two mine anti-explosion electric single-beam cranes which are installed on the same crane track in a coal mine, each electric single-beam crane is used for mounting two mine anti-explosion ring chain electric hoists to form 4 lifting points which can freely lift, each electric single-beam crane comprises a cross beam, an end beam and a cross beam, the cross beams straddle the tracks on two sides through the end beams, two hoist trolleys of the mine anti-explosion ring chain transfer hoist are installed on the cross beams, and the electric ring chain hoists are respectively installed below the two hoist trolleys.

Disclosure of Invention

The utility model aims to provide a do not receive the restriction of space and environment, possess under the operating mode of superelevation hoist and hang the thing function to can promote work efficiency, equipment safety, good reliability's a calabash crane that shaft used.

The utility model discloses a task is accomplished like this, its characterized in that: including rail running mechanism, parallelly connected hoisting mechanism, calabash chassis, hoist, crane operation dolly, rail running mechanism installs the I-steel track for moving on the I-steel track under the girder steel of vertical shaft mouth plane top or under the concrete beam, and the calabash is whole to be hung on the I-steel track, can follow the shaft well mouth and shift to the empty ground on well head next door after promoting equipment, crane operation dolly adopts four dollies, and four dollies hang on the rail I-steel, the last reel of parallelly connected hoisting mechanism is parallel mode, the welding has the service support that is used for installing running mechanism on the calabash chassis, the hoist is used for focus balance.

The outer sides of the four trolley wheels are provided with rail sweeping and shaft breakage preventing devices, and the rail sweeping and shaft breakage preventing devices are formed by welding steel plates and are installed on the wall plates of the trolleys through bolts.

The parallel hoisting mechanism comprises a hoisting motor, a speed reducer, parallel drums, a safety brake, parallel drum shells and a hoisting synchronizing device, the hoisting mechanism is in a parallel drum mode, the parallel drums are parallelly installed in one parallel drum shell through the speed reducer and the hoisting motor, the two drums are installed in parallel, hoisting power of the two drums is provided by the hoisting motors installed respectively, the two drums of the parallel drums are synchronously driven through the hoisting synchronizing device arranged on one side of the parallel drums, the hoisting synchronizing device is formed by mutually meshing and rotating two large gears fixed on the drums, the safety brake is arranged at the tail part of the parallel drum, and the hoisting mechanism winds the two steel wire ropes.

The hoist chassis is mainly angle bar, and steel sheet and channel-section steel splice welding construct for frame construction, and the welding has the operation support and the mousing-hook support that are used for installing operating device in the frame construction, has the position of reserving hoisting mechanism installation on the hoist chassis, has two platforms in hoist chassis both sides.

The lifting appliance comprises a balance arm, two hanging beams, a lifting hook and pulleys, wherein the two hanging beams are installed on two sides of the balance arm, one pulley is installed in a mounting hole in each hanging beam, a steel wire rope penetrates through a pulley on one side after coming down from one of the two parallel connection winding drums, penetrates out from a pulley on the other side and then returns to the other parallel connection winding drum.

The utility model discloses has following effect: according to the technical scheme, the operation can be carried out only by installing the I-steel for operation at the top of the tunnel, the whole machine can run along the length direction of the horizontal construction tunnel, the running distance can cover the plane of the vertical shaft and the partial area of the construction tunnel close to the plane of the well head, the operating requirements of engineering construction equipment on working conditions such as installation and maintenance are met, a bridge crane is not needed, and a novel crane installation and use structure is provided for the environment in the tunnel and limited by the vertical shaft.

Drawings

FIG. 1 is a schematic view of the present invention; FIG. 2 is a schematic view of the operation mechanism of the present invention; FIG. 3 is a schematic view of the driving cart of the present invention; FIG. 4 is a schematic view of the passive trolley of the present invention; fig. 5 is a schematic structural diagram of the hoisting mechanism of the present invention; fig. 6 is a schematic view of the hoist base frame of the present invention; fig. 7 is a schematic view of a hanger of the present invention; fig. 8 is a side view of the structure of the lifting appliance of the present invention; fig. 9 is a schematic diagram illustrating the installation comparison between the rail and the bridge crane rail of the present invention.

FIG. 1 illustrates schematically: 1-1, a track running mechanism, 1-2, a parallel hoisting mechanism, 1-3, a hoist underframe, 1-4 and a lifting appliance;

FIG. 2 illustrates schematically: 1. two driving trolleys, 2, two driven trolleys,

FIG. 3 is a graphical illustration of FIG. 4: 3. a driving wheel 4, a three-in-one speed reducer 5, a driven wheel 6, a rail sweeping and shaft breakage preventing device,

FIG. 5 illustrates graphically: 7. a lifting motor 8, a speed reducer 9, a parallel winding drum 10, a parallel winding drum shell 11, a safety brake 21 and a lifting synchronizer,

FIG. 6 illustrates graphically: 12. a running support 13, an anti-unhooking support 14, an anti-unhooking device 15 and a platform,

FIG. 7 illustrates graphically: 16. a balance arm 17, a hanging beam 18, a lifting hook 19, a pulley 20 and a guard plate;

FIG. 8 illustrates graphically: 22. a steel wire rope,

FIG. 9 illustrates graphically: 23. i-steel rail, 24, steel beam, 25 and calabash.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The concrete embodiment is shown in the figure, comprises a track running mechanism 1-1, a parallel hoisting mechanism 1-2, a hoist underframe 1-3, a lifting appliance 1-4, a crane running trolley, the track running mechanism 1-1 is a running mechanism running on an I-shaped steel track, the I-shaped steel track 23 is arranged below a steel beam or a concrete beam above the plane of a vertical shaft mouth, the whole hoist 25 is hung on the I-shaped steel track, the equipment can be lifted from the shaft wellhead and transferred to the open ground beside the wellhead (as shown in fig. 9), the crane operation trolley adopts four trolleys, and four trolleys are hung on the track I-shaped steel, the winding drums on the parallel hoisting mechanisms 1-2 are in a parallel mode, the hoist chassis 1-3 is welded with a running support 12 for mounting a running mechanism, and the lifting appliance 1-4 is used for gravity center balance.

Four dollies on the hoist operation dolly divide into two initiative dollies 1 and two passive dollies 2, 8 wheels on the unilateral orbit, and initiative wheel 3 is four in quantity, adopts trinity gear motor 4 drive, and passive wheel 5 is twelve in quantity, above be prior art and no longer describe in detail. The outer sides of the four trolley wheels are provided with rail sweeping and shaft breakage preventing devices 6 which are formed by welding steel plates together and are installed on the wall plates of the trolleys through bolts, so that the crane rails can be grasped when the trolley rails fall off, and the crane is prevented from falling.

The parallel hoisting mechanism 1-2 comprises a hoisting motor 7, a speed reducer 8, parallel drums 9, a safety brake 11, a parallel drum shell 10 and a hoisting synchronizer, the hoisting mechanism is in a parallel drum mode, the parallel drums 9 are parallelly installed in the parallel drum shell 10 through the speed reducer 8 and the hoisting motor 7, the two drums are parallelly installed, hoisting power of the two drums is provided by the hoisting motors 7 installed respectively, the two drums of the parallel drums are synchronously driven through the hoisting synchronizer 12 arranged on one side of the parallel drum, the hoisting synchronizer is two large gears fixed on the drums, the large gears are sleeved on positions specially prepared for the drums, and are meshed with each other, so that when one drum stops rotating, the other drum can also stop rotating together. The tail parts of the parallel connection winding drums 9 are all provided with safety brakes 11, and a hoisting mechanism is wound by two steel wire ropes 21 in a second braking means except a brake of the motor, and the winding multiplying power is one, so that the lifting speed of a hoist can be maximized.

The hoist underframe 1-3 mainly comprises angle iron, steel plates and channel steel splice welding mechanisms, and is of a frame structure, an operation support 12 and an anti-unhooking support 13 for installing the operation mechanism are welded on the frame structure, the anti-unhooking support can prevent the crane from falling when the trolley fails, and the anti-unhooking support and the rail sweeping and shaft breaking prevention device 6 on the trolley play a role in dual anti-falling protection. The hoist chassis is provided with a position for installing a reserved hoisting mechanism, and two platforms 15 are arranged on two sides of the hoist chassis and can be used as maintenance platforms.

The lifting appliance mainly comprises a balance arm 16, a hanging beam 17, a lifting hook 18, a pulley 19, a guard plate 20, two hanging beams are installed on two sides of the balance arm, a mounting hole is formed in each hanging beam, a pulley is installed on each left side and right side, a steel wire rope 22 penetrates through one pulley on one side after coming down from one of two parallel connection winding drums, the steel wire rope penetrates out of the pulley on the other side and then returns to the other parallel connection winding drum, the lifting appliance can adjust the horizontal direction deviation caused by the asynchronization of the steel wire rope 21 to be in a balanced state due to the gravity center balance principle, and in addition, the lifting appliance has an ultrahigh hoisting state and does not.

The utility model discloses can realize that the hoist does not squint, irrotational at full lift scope when rising the operating mode.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected, and may communicate between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims

1. A hoist type crane for a shaft is characterized in that: including rail running mechanism, parallelly connected hoisting mechanism, calabash chassis, hoist, crane operation dolly, rail running mechanism installs the I-steel track for moving on the I-steel track under the girder steel of vertical shaft mouth plane top or under the concrete beam, and the calabash is whole to be hung on the I-steel track, can follow the shaft well mouth and shift to the empty ground on well head next door after promoting equipment, crane operation dolly adopts four dollies, and four dollies hang on the rail I-steel, the last reel of parallelly connected hoisting mechanism is parallel mode, the welding has the service support that is used for installing running mechanism on the calabash chassis, the hoist is used for focus balance.

2. A hoist type crane for a shaft according to claim 1, wherein: the outer sides of the four trolley wheels are provided with rail sweeping and shaft breakage preventing devices, and the rail sweeping and shaft breakage preventing devices are formed by welding steel plates and are installed on the wall plates of the trolleys through bolts.

3. A hoist type crane for a shaft according to claim 1, wherein: the parallel hoisting mechanism comprises a hoisting motor, a speed reducer, parallel drums, a safety brake, parallel drum shells and a hoisting synchronizing device, the hoisting mechanism is in a parallel drum mode, the parallel drums are parallelly installed in one parallel drum shell through the speed reducer and the hoisting motor, the two drums are installed in parallel, hoisting power of the two drums is provided by the hoisting motors installed respectively, the two drums of the parallel drums are synchronously driven through the hoisting synchronizing device arranged on one side of the parallel drums, the hoisting synchronizing device is formed by mutually meshing and rotating two large gears fixed on the drums, the safety brake is arranged at the tail part of the parallel drum, and the hoisting mechanism winds the two steel wire ropes.

4. A hoist type crane for a shaft according to claim 1, wherein: the hoist chassis is mainly angle bar, and steel sheet and channel-section steel splice welding construct for frame construction, and the welding has the operation support and the mousing-hook support that are used for installing operating device in the frame construction, has the position of reserving hoisting mechanism installation on the hoist chassis, has two platforms in hoist chassis both sides.

5. A hoist type crane for a shaft according to claim 1, wherein: the lifting appliance comprises a balance arm, two hanging beams, a lifting hook and pulleys, wherein the two hanging beams are installed on two sides of the balance arm, one pulley is installed in a mounting hole in each hanging beam, a steel wire rope penetrates through a pulley on one side after coming down from one of the two parallel connection winding drums, penetrates out from a pulley on the other side and then returns to the other parallel connection winding drum.