CN212076231U

CN212076231U - Self-elevating tower crane standard knot leading-in device

Info

Publication number: CN212076231U
Application number: CN202020613300.8U
Authority: CN
Inventors: 蒋跃辉; 孔德霖; 王健健
Original assignee: Henan Jinli Heavy Industry Technology Co ltd
Current assignee: Henan Jinli Heavy Industry Technology Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-04
Anticipated expiration: 2030-04-22

Abstract

The utility model provides a from lift-type tower machine standard festival introducing device relates to hoist technical field to the standard festival introducing device who exists among the solution prior art all changes at every turn and all needs dismouting and wire rope again, long technical problem consumes time. The device comprises a leading-in beam, a leading-in mechanism and a travelling mechanism which are arranged inside the leading-in beam, and a lifting mechanism and a guiding mechanism which are arranged on the leading-in beam, wherein a steel wire rope is led out from the leading-in mechanism and penetrates out of the leading-in beam, and is wound with a lifting appliance arranged on the travelling mechanism after being lifted by the lifting mechanism and guided by the guiding mechanism, the leading-in mechanism and the lifting mechanism work, and the travelling mechanism is driven by the steel wire rope to move in the leading-in beam along the inner wall of the leading-in beam, so that the lifting appliance arranged on the travelling mechanism moves along with. The utility model discloses can wholly transition, need not to dismantle, it is efficient.

Description

Self-elevating tower crane standard knot leading-in device

Technical Field

The utility model belongs to the technical field of the hoist technique and specifically relates to a standard festival introducing device of self-elevating tower machine is related to.

Background

With the popularization of high-rise buildings, in order to meet the requirements of corresponding construction heights, a jacking mode is generally adopted for heightening a tower body of a tower crane. The standard section leading-in device of the large-scale self-elevating tower crane is also increased immediately due to the increase of the section of the tower body, so that the standard section lifting mechanism of the large-scale self-elevating tower crane needs to be detached for transportation when the large-scale self-elevating tower crane is transferred on site or in a long distance. And the standard knot lifting device can only be disassembled manually by depending on an auxiliary crane on site, which has great adverse effect on the efficiency of the high-efficiency and rapid transition of the self-elevating tower crane and greatly influences the transition efficiency of the self-elevating tower crane.

The leading-in beam of the existing standard knot leading-in device is connected with the lower bearing of the self-elevating tower crane, the lifting mechanism of the standard knot leading-in device is independent, the lifting mechanism of the standard knot leading-in device is installed on the ground or behind the tower crane, a machine balance arm and the like, and the standard knot is lifted after being turned by a plurality of guide wheels. When the tower crane is transferred, the connecting part of the standard knot leading-in device and the tower crane needs to be disassembled, and the lifting mechanism is separately transferred by a transfer trolley. After the transition, the standard knot leading-in beam needs to be installed again, and the lifting mechanism is reeved.

The prior art has the following disadvantages: the standard knot introducing device needs to be disassembled and assembled again when being transferred every time, and the lifting mechanism needs to be reeved when being transferred every time, so that the efficiency is low, and the consumed time is long.

Disclosure of Invention

An object of the utility model is to provide a from lift-type tower machine standard festival introducing device to the standard festival introducing device who exists among the solution prior art all changes at every turn and all needs dismouting and wire rope again, long technical problem consumes time. The utility model provides a great deal of technological effect (simple structure, with low costs, convenient to use) that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

The utility model provides a pair of from lift-type tower machine standard festival introducing device, including hoist mechanism, introduction mechanism, running gear, guiding mechanism and introduction roof beam, introduction mechanism with running gear installs in introduce inside the roof beam, hoist mechanism with guiding mechanism divides to locate on the introduction roof beam, wire rope follows draw in the introduction mechanism, pass introduce the roof beam, warp hoist mechanism promotes the guiding back, with the hoist winding of installing on the running gear, introduction mechanism with hoist mechanism work drives through wire rope hoist that the hoist of installing on the running gear follows its removal.

Preferably, the lifting mechanism is arranged right above the introducing mechanism, and an opening through which a steel wire rope passes is formed in the wall of the introducing beam between the introducing mechanism and the lifting mechanism.

Preferably, hoist mechanism is including the main motor, main reducer and the main reel that couple gradually, introduction mechanism is including installing in the introduction roof beam in the vice motor, vice reducer and the vice reel that couple gradually, wire rope's one end is fixed in on the vice reel and twine in proper order in the main reel guiding mechanism with behind the pulley on the hoist, wire rope's the other end is fixed in the introduction roof beam, the main reel is located directly over the vice reel, the vice reel is located in the orthographic projection of main reel, the axis of vice reel with the axis of main reel is parallel.

Preferably, the introducing beam is detachably arranged on a transition section of the tower crane, the lifting mechanism and the traveling mechanism are respectively arranged on the introducing beam and positioned on two sides of the transition section, an inner channel for the traveling mechanism to move back and forth is formed in the introducing beam, an upper channel or a through opening through which a steel wire rope passes is formed in the upper wall of the inner channel, and a lower channel through which the steel wire rope passes is formed in the lower wall of the inner channel.

Preferably, the running mechanism is set as a running trolley and comprises a running trolley arranged in the inner channel in a sliding mode and a motor in transmission connection with the running trolley.

Preferably, the guide mechanism comprises a guide wheel and a pulley support for installing the guide wheel, the pulley support is welded at one end, close to the travelling mechanism, of the leading-in beam, and the travelling mechanism is located between the guide mechanism and the transition section.

The utility model provides a pair of from lift-type tower machine standard festival introducing device lies in with prior art's difference, and hoist mechanism, introducing mechanism, running gear and guiding mechanism all install on can dismantling the introduction roof beam of being connected with tower machine transition section, through introducing roof beam and transition section separation, can realize the dismantlement of standard festival introducing device and tower machine, and introducing mechanism and running gear install inside introducing the roof beam, have solved the not enough technical problem of introduction roof beam surface mounting point.

The lifting mechanism and the guide mechanism are respectively arranged on the leading-in beam, a steel wire rope is led out from the leading-in mechanism and penetrates through the leading-in beam, the lifting mechanism lifts the leading-in beam, the leading-in beam is guided by the guide mechanism and then is wound on a lifting appliance arranged on the traveling mechanism, the lifting mechanism and the lifting mechanism work, and the traveling mechanism is driven by the steel wire rope to move in the leading-in beam along the inner wall of the leading-in beam so that the lifting appliance arranged on the traveling mechanism moves along the leading-in beam. This scheme simple structure, it is convenient to dismantle, efficient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of the whole structure of a standard knot leading-in device of a self-elevating tower crane;

FIG. 2 is a schematic view of the overall structure of the lifting mechanism;

FIG. 3 is a front view of the introduction mechanism;

FIG. 4 is a side view of the introduction mechanism;

1. a lifting mechanism; 11. a main motor; 12. a main reducer; 13. a main reel; 2. an introduction mechanism; 21. a secondary motor; 22. a secondary reducer; 23. an auxiliary drum; 3. introducing a beam; 4. a transition section; 5. a traveling mechanism; 6. a spreader; 7. a guide mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a from lift-type tower machine standard festival introducing device, as shown in the figure, introducing device includes hoist mechanism 1, introducing mechanism 2, running gear 5, guiding mechanism 7 and introduction roof beam 3, hoist mechanism 1, introducing mechanism 2, running gear 5 and guiding mechanism 7 are all installed on introduction roof beam 3, introducing mechanism 2, hoist mechanism 1 and 7 cooperation of guiding mechanism make the wire rope of drawing from introducing mechanism 2 twine with the hoist 6 that sets up on running gear 5, introduce roof beam 3 and pass the transition festival 4 of tower machine, can dismantle with transition festival 4 and be connected, so that the operator when the scene is transferred or long-distance transportation uses, can directly with introducing roof beam 3 and the separation of transition festival 4, realize introducing device's dismantlement, hoist 6 sets up to the lifting hook.

The leading-in beam 3 is internally provided with a cavity for accommodating the leading-in mechanism 2 and an inner channel for placing and walking the walking mechanism 5, the leading-in mechanism 2 and the walking mechanism 5 are arranged inside the leading-in beam 3, the lifting mechanism 1 is detachably arranged on the leading-in beam 3, the guide mechanism 7 is fixed on the leading-in beam 3, a steel wire rope is led out from the leading-in mechanism 2 and penetrates out of the leading-in beam 3, the steel wire rope is lifted by the lifting mechanism 1 and guided by the guide mechanism 7 to be wound with a lifting appliance 6 arranged on the walking mechanism 5, the leading-in mechanism 2 and the lifting mechanism 1 work, the lifting appliance 6 arranged on the walking mechanism 5 is driven by the steel wire rope to lift, and the walking mechanism 5 works and moves along the inner channel.

In order to make the steel wire rope smoothly wound and unwound, as an optional implementation mode, the lifting mechanism 1 is installed right above the introducing mechanism 2, an opening through which the steel wire rope passes is formed in a beam wall of the introducing beam 3 between the introducing mechanism 2 and the lifting mechanism 1, the steel wire rope of the introducing mechanism 2 passes through the opening to be matched and connected with the lifting mechanism 1, and the lifting mechanism 1 and the introducing beam 3 are connected in a detachable mode through riveting, bolting or clamping and the like.

Hoist mechanism 1 is including the main motor 11, main reducer 12, main reel 13 and the frame that hookup in proper order, main motor 11 main reducer 12 with main reel 13 sets up in the frame, and the both sides downwardly extending of frame forms the otic placode, and the otic placode of both sides forms the spacing chamber that the cooperation restriction introduced the wall and removed to both sides with the bottom plate of frame, and the frame is placed on introducing roof beam 3, and the otic placode is laminated with the lateral wall that introduces roof beam 3, and the bolt passes the otic placode and introduces roof beam 3 and makes introducing mechanism 2 detachable to install on introducing roof beam 3, has seted up the mouth that corresponds with introducing roof beam 3 opening on the bottom plate of frame, and after the pulley on guiding mechanism 7 and hoist 6 after wire rope passed introducing roof beam 3 and the bottom plate of frame and main reel 13 coiling, wire rope's the other end is fixed in introducing. Likewise, the frame may be replaced by a support plate to which the main motor 11, the main reducer 12, the main drum 13 are fixed by means of bolting/riveting or welding, the support plate being connected to the intake beam 3 in a detachable manner as described above.

The leading-in mechanism 2 comprises an auxiliary motor 21, an auxiliary speed reducer 22 and an auxiliary winding drum 23 which are sequentially connected and arranged in the leading-in beam 3, the auxiliary motor 21 works, the auxiliary winding drum 23 is driven to rotate through the auxiliary speed reducer 22, the up-and-down movement of the lifting appliance 6 is realized through the forward and reverse rotation of the main motor 21, one end of a steel wire rope is fixed on the auxiliary winding drum 23 and sequentially winds the auxiliary winding drum 23 and the main winding drum 13, the other end of the steel wire rope is wound with the lifting appliance 6 through the guide mechanism 7, the main winding drum 13 is positioned right above the auxiliary winding drum 23, the auxiliary winding drum 23 is positioned in the orthographic projection of the main winding drum 13, and the axis of the auxiliary winding drum. The auxiliary spool 23 is mounted on a spool support so as to be rotatable thereon, the spool support being fixed (including but not limited to riveting, bolting, welding, etc.) to the inner wall of the intake beam 3, and the motor being fixed to the inner wall of the intake beam 3.

As an alternative embodiment, the main reducer 12 and the sub reducer 22 may be provided as an internal-mounted hoisting reducer, and the main motor 11 and the sub motor 21 are provided as variable frequency motors.

As an optional implementation mode, the introducing beam 3 is detachably installed on the transition section 4 of the tower crane, the detachable connection mode includes riveting, bolting, clamping and the like, the lifting mechanism 1 and the traveling mechanism 5 are respectively installed on the introducing beam 3 and located on two sides of the transition section 4, an inner channel for the traveling mechanism 5 to move back and forth is formed in the introducing beam 3, an upper channel or a through opening for the steel wire rope to pass through is formed in the upper wall of the inner channel, and a lower channel for the steel wire rope to pass through is formed in the lower wall of the inner channel. The steel wire rope is wound with the lifting appliance 6 through the traveling trolley, the traveling mechanism 5 comprises the traveling trolley movably arranged in the inner channel and a second motor in transmission connection with the traveling trolley, the lifting appliance 6 is arranged on the traveling mechanism 5 through the steel wire rope, the traveling mechanism 5 moves along the inner channel, the transverse position of the lifting appliance 6 is changed, and the lifting mechanism 1 and the introducing mechanism 2 work to change the vertical position of the lifting appliance 6.

The guide mechanism 7 comprises a guide wheel and a pulley support for installing the guide wheel, the pulley support is connected to one end, close to the travelling mechanism 5, of the leading-in beam 3 through bolts, the travelling mechanism 5 is located between the guide mechanism 7 and the transition joint 4, and the guide wheel is rotatably arranged on the pulley support through a bearing.

As an alternative embodiment, the introducing beam 3 may be configured as C-shaped steel, and the traveling mechanism 5 and the introducing mechanism 2 are disposed in a C-shaped groove of the C-shaped steel, or both cross sections of the introducing beam 3 at an inner channel of the traveling mechanism 5 are "C" shaped, so that the traveling mechanism 5 can be movably disposed in the introducing beam 3 and cannot directly fall out from the introducing beam 3.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The self-elevating tower crane standard knot introducing device is characterized by comprising a lifting mechanism, an introducing mechanism, a traveling mechanism, a guide mechanism and an introducing beam, wherein the introducing mechanism and the traveling mechanism are arranged inside the introducing beam, the lifting mechanism and the guide mechanism are respectively arranged on the introducing beam, a steel wire rope is led out from the introducing mechanism and penetrates through the introducing beam, the lifting mechanism is lifted, the guide mechanism is guided and then wound on a lifting appliance arranged on the traveling mechanism, and the introducing mechanism and the lifting mechanism work and drive the lifting appliance arranged on the traveling mechanism to move along with the steel wire rope.

2. The introduction device for the standard knot of the jack-up tower crane according to claim 1, wherein the lifting mechanism is arranged right above the introduction mechanism, and an opening through which a steel wire rope passes is formed in the wall of the introduction beam between the introduction mechanism and the lifting mechanism.

3. The introduction device of the standard knot of the jack-up tower crane according to claim 2, wherein the hoisting mechanism comprises a main motor, a main reducer and a main winding drum which are sequentially connected, the introduction mechanism comprises an auxiliary motor, an auxiliary reducer and an auxiliary winding drum which are sequentially connected and arranged in the introduction beam, one end of a steel wire rope is fixed on the auxiliary winding drum and sequentially wound behind the main winding drum, the guide mechanism and a pulley on the lifting appliance, the other end of the steel wire rope is fixed in the introduction beam, the main winding drum is positioned right above the auxiliary winding drum, the auxiliary winding drum is positioned in the orthographic projection of the main winding drum, and the axis of the auxiliary winding drum is parallel to the axis of the main winding drum.

4. The introduction device for the standard knot of the self-elevating tower crane according to claim 1, wherein the introduction beam is detachably arranged on the transition knot of the tower crane, the lifting mechanism and the traveling mechanism are respectively arranged on the introduction beam and positioned on two sides of the transition knot, an inner channel for the traveling mechanism to move back and forth is arranged on the introduction beam, an upper channel for a steel wire rope to pass through is arranged on the upper wall of the inner channel, and a lower channel for the steel wire rope to pass through is arranged on the lower wall of the inner channel.

5. The introduction device for the standard knot of the jack-up tower crane according to claim 4, wherein the walking mechanism comprises a walking trolley movably arranged in the inner channel and a second motor in transmission connection with the walking trolley.

6. The introduction device for the standard knot of the jack-up tower crane according to claim 4, wherein the guiding mechanism comprises a guiding wheel and a pulley support for installing the guiding wheel, the pulley support is fixed on one end of the introduction beam close to the traveling mechanism, and the traveling mechanism is located between the guiding mechanism and the transition knot.