CN218231553U - Counterweight self-unloading device in tower crane unconventional dismantling - Google Patents

Counterweight self-unloading device in tower crane unconventional dismantling Download PDF

Info

Publication number
CN218231553U
CN218231553U CN202222823521.XU CN202222823521U CN218231553U CN 218231553 U CN218231553 U CN 218231553U CN 202222823521 U CN202222823521 U CN 202222823521U CN 218231553 U CN218231553 U CN 218231553U
Authority
CN
China
Prior art keywords
support frame
tower crane
pulley
beam arm
counter weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222823521.XU
Other languages
Chinese (zh)
Inventor
刘康
龙海连
罗霄
张永俊
万翔
侯龙
任景朋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction Second Engineering Bureau Co Ltd
Original Assignee
China Construction Second Engineering Bureau Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Construction Second Engineering Bureau Co Ltd filed Critical China Construction Second Engineering Bureau Co Ltd
Priority to CN202222823521.XU priority Critical patent/CN218231553U/en
Application granted granted Critical
Publication of CN218231553U publication Critical patent/CN218231553U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a counter weight self-discharging device during tower crane unconventional dismantlement, including setting up support frame and the hoisting mechanism at the compensating beam arm upper surface of tower crane, it is fixed mutually through U type snap ring between support frame and the compensating beam arm, and the support frame comprises first support frame and second support frame, and the surface of support frame is provided with the stull, and the right-hand member of establishing at the second support frame is inserted to the left end of first support frame, and the surface of second support frame is inserted and is equipped with the positioning bolt who is used for locking first support frame. This counter weight self-discharging device during unconventional dismantlement of tower crane installs the aggregate unit on the compensating beam arm surface of tower crane, utilizes the hoist engine to unreel wire rope, and wire rope's free end is walked around fixed pulley and movable pulley bolt and is being hung a surface, realizes treating to tear open the purpose that the counter weight was dismantled, and the aggregate unit has characteristics such as can dismantle, just transport, easy transport, has saved manpower and materials, and the cost is reduced has improved work efficiency.

Description

Counterweight self-unloading device in tower crane unconventional dismantling
Technical Field
The utility model relates to a construction machinery equipment technical field specifically is a counter weight self-discharging device during tower crane unconventional dismantlement.
Background
In the process of dismantling the tower crane, the situation that a truck crane cannot enter the site due to reasons such as site, unreasonable arrangement of the tower crane, influence of a floor structure and the like or the conventional dismantling of the tower crane cannot be carried out due to no dismantling condition of a truck crane station often occurs, and the dismantling of the counterweight is difficult frequently.
At present, under the condition that a conventional truck crane cannot reach the periphery of a tower crane and a balance weight cannot be removed, a truck crane with larger tonnage is mostly selected for distance-selecting removal operation, and the cost is increased by the scheme; and the self-made simple lever pulling device is rarely used for removing the balance weight, and although the scheme is low in cost, the safety coefficient is low, and accidents are easy to happen.
Need be to above problem, it is necessary to improve this condition, needs a new scheme to solve above-mentioned technical problem, consequently, the utility model provides a counter weight self-discharging device in tower crane unconventional dismantlement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a counter weight self-discharging device during tower crane unconventional dismantlement to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a counter weight self-discharging device in tower crane unconventional disassembly comprises a support frame and a lifting mechanism which are arranged on the upper surface of a balance beam arm of a tower crane, wherein the support frame and the balance beam arm are fixed through a U-shaped snap ring;
the top end of the first support frame is welded with a pulley bracket, the surface of the pulley bracket is rotationally connected with a fixed pulley through a pin shaft, and the surface of the pulley bracket is provided with a separation blade for preventing a groove from falling corresponding to the fixed pulley;
hanging seats are welded at the top ends of the first support frame and the second support frame, and bolting holes are formed in the surfaces of the hanging seats;
the hoisting mechanism comprises a winch fixedly arranged on the upper surface of the balance beam arm, a steel wire rope is wound on the surface of the winch, a counterweight to be dismounted is arranged on the surface of the balance beam arm, a movable pulley is hung at the top end of the counterweight to be dismounted through a hanging ring, and the free end of the steel wire rope is sequentially wound around a fixed pulley and the movable pulley and then is bolted in a through hole in the surface of the hanging seat.
Preferably, the through-hole that supplies positioning bolt to pass is seted up on the surface of second support frame, and the quantity of through-hole is a plurality of, and when positioning bolt penetrated the through-hole of different positions, the interval of first support frame and second support frame changed, and the interval that utilizes first support frame and second support frame can be adjusted, can be applicable to the compensating beam arm of different model widths.
Preferably, the support frame is formed by channel-section steel and square welding of pipe, and the bottom welding of support frame slope landing leg has the preforming, and the top of waiting to tear open the counter weight is provided with the depression bar, and the depression bar is reserved with between waiting to tear open the top of counter weight 12 to have the gap, preforming and gap looks adaptation.
Preferably, the stull is formed by square tube welding, and first support frame and second support frame are all fixed through bolt and stull, and the quantity of the stull on first support frame and second support frame surface is two, and the height difference of two stulls, and the welding has vertical bracing between two stulls.
Advantageous effects
The utility model provides a counter weight self-discharging device during tower crane unconventional dismantlement possesses following beneficial effect:
1. this counter weight self-discharging device during unconventional dismantlement of tower crane, form through designing into the support frame by first support frame and the equipment of second support frame two parts, then use the stull and erect bracing and improve overall structure's stability, install the integrated device on the compensating beam arm surface of tower crane, utilize the hoist engine to unreel wire rope, wire rope's free end is walked around the fixed pulley and is moved the pulley bolt and connect on hanging the seat surface, the realization is treated the counter weight of dismantling and is carried out the purpose of dismantling, and the integrated device has can dismantle, just transport, characteristics such as easy transport, manpower and materials have been saved, the cost is reduced, and the work efficiency is improved.
2. This counter weight self-discharging device during tower crane unconventional dismantlement through the cooperation of tower crane play to rise hoist engine and self pulley mechanism, can accomplish the dismantlement of counter weight under the condition that does not use supplementary hoisting machinery, solved under the operating mode complex condition to a certain extent, supplementary hoisting machinery can't accomplish work, has replaced the large-tonnage truck crane, the cost is reduced, efficiency is improved, still improves the factor of safety that the tower crane was demolishd to a certain extent.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of the disassembled front view structure of the present invention;
FIG. 5 is a schematic view of a side view structure of a working condition 1 for disassembling the counterweight of the present invention;
fig. 6 is the utility model discloses dismantle counter weight operating mode 2 and look sideways at the schematic diagram.
In the figure: the device comprises a first support frame 1, a second support frame 2, a hanging seat 3, a pulley support 4, a fixed pulley 5, a groove-disengagement-preventing baffle 6, a pressing sheet 7, a cross brace 8, a winch 9, a steel wire rope 10, a movable pulley 11, a counterweight 12 to be disassembled, a U-shaped clamping ring 13 and a balance beam arm 14.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a counterweight self-unloading device for unconventional disassembly of a tower crane comprises a support frame and a lifting mechanism which are arranged on the upper surface of a balance beam arm 14 of the tower crane.
The supporting frame is fixed with the balance beam arm 14 through the U-shaped clamping ring 13, the supporting frame is formed by welding channel steel and square pipes, the supporting frame is composed of a first supporting frame 1 and a second supporting frame 2, the first supporting frame 1 and the second supporting frame 2 are both in a triangular structure, and the pressing sheet 7 is welded at the bottom end of the inclined supporting leg of the supporting frame.
The surface of support frame is provided with stull 8, and stull 8 is formed by square tube welding, and first support frame 1 and second support frame 2 all fix with stull 8 through the bolt, and the quantity of stull 8 on first support frame 1 and 2 surfaces of second support frame is two, and two stulls 8 highly different, and the welding has perpendicular bracing between two stulls 8.
Further, when the device is installed, the cross support 8 is connected with the first support frame 1 and the second support frame 2 through bolts, and the stability of the whole structure is improved through the cross support 8 and the vertical inclined supports.
The left end of first support frame 1 is inserted and is established the right-hand member of second support frame 2, and the surface of second support frame 2 is inserted and is equipped with the positioning bolt who is used for locking first support frame 1, and the through-hole that supplies positioning bolt to pass is seted up on the surface of second support frame 2, and the quantity of through-hole is a plurality of, and when positioning bolt penetrated the through-hole of different positions, the interval of first support frame 1 and second support frame 2 changed.
The top welding of first support frame 1 has pulley support 4, and pulley support 4's surface is connected with fixed pulley 5 through the round pin axle rotation, and pulley support 4's surface corresponds fixed pulley 5 and is provided with anticreep groove separation blade 6.
The top of first support frame 1 and second support frame 2 all welds and has hung seat 3, hangs the surface of seat 3 and has seted up the bolt hole.
The hoisting mechanism comprises a winch 9 fixedly arranged on the upper surface of a balance beam arm 14 of the tower crane, a steel wire rope 10 is wound on the surface of the winch 9, a counterweight 12 to be dismounted is arranged on the surface of the balance beam arm 14, a movable pulley 11 is arranged at the top end of the counterweight 12 to be dismounted, and the free end of the steel wire rope 10 is sequentially wound around a fixed pulley 5 and the movable pulley 11 and then is bolted in a through hole in the surface of the hanging seat 3.
Form through designing the support frame into by the equipment of first support frame 1 and 2 two parts of second support frame, then use stull 8 and vertical bracing to improve overall structure's stability, install the integrated device on the compensating beam arm 14 surface of tower crane, utilize hoist engine 9 to receive and unreel wire rope 10, wire rope 10's free end is walked around fixed pulley 5 and movable pulley 11 bolt and is being hung a 3 surfaces, realizes treating that tear open counter weight 12 carries out the purpose of dismantling.
The utility model discloses dismantle the technical problem that the in-process exists to current tower crane counter weight, provide can dismantle, just assemble, easy operation, simple and easy safe counter weight self-discharging device, the device overall structure design benefit, convenient operation, the security performance is better, has mainly solved under the complicated operating mode the difficult problem that supplementary hoisting machinery can't dismantle the counter weight, can realize that the tower crane counter weight is self-discharging, safe high-efficient, save labour save time, convenient and fast, practice thrift the cost.
The working principle is as follows: before installation, firstly, the first support frame 1 and the second support frame 2 are hoisted to a platform of a tower crane cab by using a tower crane, as the structure is simple and light, two installers can transport the support frames to a counterweight position of a balance beam arm 14, as shown in figure 5 (under the condition of working condition 1), when a counterweight 12 to be dismantled at the rear side is dismantled, the first support frame 1 and the second support frame 2 are respectively placed at two sides of the counterweight 12 to be dismantled for assembly and are connected by using positioning bolts, the position of the integral device is adjusted to ensure that a fixed pulley 5 is positioned above the counterweight 12 to be dismantled, a pressure rod of the counterweight 12 to be dismantled at the front side presses a pressing sheet 7 at a supporting leg of a tripod to play a role of counterweight, then, a steel wire rope 10 sequentially bypasses the fixed pulley 5 and a movable pulley 11 and finally passes through the inside of a bolting hole on a hanging seat 3, and a clamping ring is used for consolidating the rope head of the steel wire rope 10, the lifting hook of the movable pulley 11 is hung on a lifting ring of a counterweight 12 to be dismounted, so that the whole device is mounted, then a winch 9 is started to wind, the counterweight 12 to be dismounted is lifted to a certain height, a fixed pin shaft at the top of the counterweight 12 to be dismounted is pulled out, the winch 9 is unreeled, the counterweight 12 to be dismounted falls down until the ground is placed, when no counterweight 12 to be dismounted remains and cannot meet the weight bearing condition of a pressing sheet 7 and the whole device, as shown in figure 6 (under the condition of working condition 2), the device is inverted by 180 degrees, the device is fixed on a balance beam arm 14 by two U-shaped snap rings 13, then the counterweight 12 to be dismounted is dismounted to the ground according to the original operation (under the working condition 1), the device has the advantages of ingenious integral structure design, convenient operation and good safety performance, and mainly solves the problem that the counterweight cannot be dismounted by an auxiliary hoisting machine under the complicated working condition, the self-unloading of the tower crane counterweight can be realized, the operation is safe and efficient, the labor and the time are saved, the operation is convenient and fast, and the cost is saved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a counter weight self-discharging device during tower crane unconventional dismantlement, its characterized in that, including support frame and the hoisting mechanism of setting at the compensating beam arm (14) upper surface of tower crane, it is fixed mutually through U type snap ring (13) between support frame and compensating beam arm (14), the support frame comprises first support frame (1) and second support frame (2), the surface of support frame is provided with stull (8), the right-hand member of establishing in second support frame (2) is inserted to the left end of first support frame (1), and the surface of second support frame (2) is inserted and is equipped with the positioning bolt that is used for locking first support frame (1), first support frame (1) and second support frame (2) all are the triangle-shaped structure;
a pulley support (4) is welded at the top end of the first support frame (1), a fixed pulley (5) is rotatably connected to the surface of the pulley support (4) through a pin shaft, and a groove falling prevention blocking piece (6) is arranged on the surface of the pulley support (4) corresponding to the fixed pulley (5);
the top ends of the first support frame (1) and the second support frame (2) are welded with hanging seats (3), and the surfaces of the hanging seats (3) are provided with bolting holes;
the hoisting mechanism comprises a winch (9) fixedly arranged on the upper surface of a balance beam arm (14), a steel wire rope (10) is wound on the surface of the winch (9), a counterweight (12) to be disassembled is arranged on the surface of the balance beam arm (14), a movable pulley (11) is hung on the top end of the counterweight (12) to be disassembled through a hanging ring, and the free end of the steel wire rope (10) is sequentially wound around a fixed pulley (5) and the movable pulley (11) and then is bolted to the inside of a through hole in the surface of a hanging seat (3).
2. The unconventional disassembly medium-weight self-unloading device for the tower crane according to claim 1, wherein: the surface of the second support frame (2) is provided with through holes for the positioning bolts to pass through, the number of the through holes is a plurality of, and when the positioning bolts penetrate through the through holes at different positions, the distance between the first support frame (1) and the second support frame (2) is changed.
3. The irregular dismantling medium-weight self-unloading device for the tower crane according to claim 1, wherein the irregular dismantling medium-weight self-unloading device comprises: the support frame is formed by channel-section steel and square welding preparation, and the bottom welding of support frame slope landing leg has preforming (7), and the top of waiting to tear open the counter weight is provided with the depression bar, and the depression bar is reserved with waiting to tear open between the top of counter weight (12) has the gap, preforming (7) and gap looks adaptation.
4. The irregular dismantling medium-weight self-unloading device for the tower crane according to claim 1, wherein the irregular dismantling medium-weight self-unloading device comprises: the cross brace (8) is formed by square tube welding, and first support frame (1) and second support frame (2) are all fixed through bolt and cross brace (8), and the quantity of cross brace (8) on first support frame (1) and second support frame (2) surface is two, and the height difference of two cross braces (8), and the welding has perpendicular bracing between two cross braces (8).
CN202222823521.XU 2022-10-26 2022-10-26 Counterweight self-unloading device in tower crane unconventional dismantling Active CN218231553U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222823521.XU CN218231553U (en) 2022-10-26 2022-10-26 Counterweight self-unloading device in tower crane unconventional dismantling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222823521.XU CN218231553U (en) 2022-10-26 2022-10-26 Counterweight self-unloading device in tower crane unconventional dismantling

Publications (1)

Publication Number Publication Date
CN218231553U true CN218231553U (en) 2023-01-06

Family

ID=84669025

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222823521.XU Active CN218231553U (en) 2022-10-26 2022-10-26 Counterweight self-unloading device in tower crane unconventional dismantling

Country Status (1)

Country Link
CN (1) CN218231553U (en)

Similar Documents

Publication Publication Date Title
CN218231553U (en) Counterweight self-unloading device in tower crane unconventional dismantling
CN210340141U (en) House building engineering lifting device
CN105819352A (en) Detachable lifting device for door-like mast building and construction method of lifting device
CN113585860B (en) Method for assembling and disassembling double-arm holding pole
CN214114721U (en) Cantilever crane
CN211110630U (en) Multifunctional lifting appliance for lifting high-speed rail concrete box girder
CN210313388U (en) Combined wellhead lifting working platform
CN202785248U (en) Basket device special for truck crane
CN110980548A (en) Maintenance channel for crane
CN212581367U (en) Convenient auxiliary device that changes of monorail crane motor
CN220745180U (en) Small hoisting equipment installed and used on structural beam
CN216475063U (en) Foundation ditch support concrete bearing diagonal demolishs device
CN217631160U (en) Collapsible safe construction hangs basket
CN215854739U (en) Submersible water impeller mounting structure
CN220312209U (en) Frame type high pile construction operation platform
CN213563388U (en) Climbing type material distributor assembly
CN217708504U (en) Welding machine lifting appliance device
CN219751633U (en) Hinge shaft penetrating device for running mechanism of loop-suspended cart
CN220520002U (en) Device for simply disassembling tower crane attached wall
CN212356327U (en) Traction device for dismounting and mounting large tower crane
CN217175623U (en) Square pier rollover reinforcement installation operation platform
CN217480772U (en) Overhanging type dismounting and attaching type lifting scaffold construction device
CN220056059U (en) Nonstandard construction hoisting machinery
CN215165596U (en) Support rack for bored pile
CN219929576U (en) Ditch cover plate overhead hoist

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant