CN112374391B

CN112374391B - Tower crane is with balance arm protection device of being convenient for installation change

Info

Publication number: CN112374391B
Application number: CN202011369583.7A
Authority: CN
Inventors: 江帆
Original assignee: Changde Zhendong Machinery Co ltd
Current assignee: Changde Zhendong Machinery Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2023-03-14
Anticipated expiration: 2040-11-30
Also published as: CN112374391A

Abstract

The invention discloses a balance arm protection device convenient to install and replace for a tower crane, which comprises a balance arm, a base plate connected with the top of the balance arm and a reinforcing moving platform arranged on the top of the base plate, wherein the balance arm is provided with a base, slide ways are arranged on two sides of the base, a moving platform is arranged in the reinforcing moving platform, a weighting groove is formed in the moving platform, fixing plates are arranged on two sides of the moving platform, threaded columns are arranged on the tops of the fixing plates, the threaded columns penetrate through the connecting plate and are in threaded connection with the base, and reinforcing rods are symmetrically arranged on the tops of two sides of the moving platform. According to the invention, the movable platform is arranged to move on the slide way, the front end and the rear end of the tower crane are adjusted to be balanced when in no-load, the bolt penetrates through the through hole and the connecting hole to be in threaded connection with the nut, one end of the reinforcing rod is clamped on the diagonal member on the balance arm, the installation and the replacement are convenient, the balance arm is convenient to reinforce, and the stability is improved.

Description

Tower crane is with balance arm protection device of being convenient for installation change

Technical Field

The invention relates to the technical field of tower cranes, in particular to a balance arm protection device for a tower crane, which is convenient to install and replace.

Background

The tower crane is the most common hoisting equipment in the construction site, also known as tower crane, and is lengthened section by section for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like. The tower crane is generally built by a rectangular metal frame, a balance arm of the tower crane is arranged behind an operation chamber in the tower crane, the balance arm is used for providing supporting force for a hanging wall so as to ensure the whole balance of the tower crane, if the balance arm is insecure, the tower crane is unstable, so that danger occurs, the balance arm has the problem of insufficient stress capacity when the tower crane is in an idle load, and if the front end and the rear end of the tower crane are not balanced easily, the tower crane is disconnected and inclined in the using process.

Disclosure of Invention

The invention aims to provide a balance arm protection device for a tower crane, which is convenient to install and replace, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides a balance arm protection device convenient to install and replace for a tower crane, which comprises a balance arm, a base plate connected with the top of the balance arm and a reinforcing moving platform arranged on the top of the base plate, wherein the balance arm is provided with a base, two sides of the base are respectively provided with a slide way, a moving platform is arranged in the reinforcing moving platform, a weighting groove is formed in the moving platform, two sides of the moving platform are respectively provided with a fixing plate, the top of the fixing plate is provided with a threaded column, the threaded column penetrates through the connecting plate and is in threaded connection with the base, and the tops of two sides of the moving platform are symmetrically provided with a reinforcing rod.

As the further improvement of this technical scheme, the rail is preferred to be adopted ferroalloy material, the ferroalloy material is preferred to use to the crossbeam, the base top is provided with the rail, base inner wall both sides are connected with a plurality of crossbeams, base top both sides are provided with a plurality of thread grooves, the thread groove with screw thread post threaded connection.

As a further improvement of the technical scheme, the two ends of the base plate are connected to the cross beam in a clamped mode, the grids made of stainless steel alloy materials are preferably selected for the connecting grids, workers can walk conveniently, the base plate is arranged at the top of the cross beam, a frame is arranged in the base plate, and the connecting grids are arranged on the inner wall of the frame.

As a further improvement of the technical scheme, the frame is preferably made of iron alloy materials, one end of the frame is provided with a connecting block, the other end of the frame is provided with a connecting groove, and the connecting block is in clamping fit with the connecting groove.

As a further improvement of this technical scheme, aggravate the inslot and place and aggravate the iron plate, adjust the balance at both ends around the tower crane, the mobile station bottom is provided with a plurality of sliders, slider and slide sliding connection cooperation, the mobile station both sides are provided with a plurality of symmetrical connecting plates, the anchor strut bottom is provided with the rotary column, the rotary column all with the connecting plate swivelling joint cooperation.

As a further improvement of the technical scheme, a bayonet is formed in the center of the top of the reinforcing rod, the reinforcing rod is made of an iron alloy material preferably, the reinforcing rod is connected with a pull rod on the balance arm in a clamped mode to reinforce the balance arm, connecting lugs are arranged on two sides of the top of the reinforcing rod, connecting holes are formed in the line of the connecting lugs, and a butt plate is arranged on the top of each connecting lug.

As a further improvement of this technical scheme, the through-hole with the connecting hole centre of a circle is in on the same axis, the butt joint bayonet socket with bayonet socket radius of circle is unanimous, be provided with a plurality of through-holes on the butt joint board axis, butt joint bayonet socket has been seted up to butt joint board center department, the through-hole top all is provided with the bolt, the connecting hole bottom all is provided with the nut, bolt one end is passed the through-hole with the connecting hole with nut threaded connection.

Compared with the prior art, the invention has the beneficial effects that:

1. in this tower crane is with balance arm protection device who is convenient for install and change, the mobile station through setting up moves on the slide, and the front and back end is balanced when adjusting the tower crane no-load, and the bolt passes through-hole and connecting hole and nut threaded connection, with the bracing strut one end joint on the oblique pull rod on balance arm, the installation of being convenient for is changed, is convenient for consolidate balance arm, improves stability.

2. In this tower crane is with balance arm protection device who is convenient for install and change, slider and slide sliding connection are convenient for remove the mobile station, save physical power, and the backing plate is convenient for the workman and walks, improves the facility.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is an exploded view of the whole structure of embodiment 1;

FIG. 3 is a schematic view of the structure of the balance arm according to embodiment 1;

FIG. 4 is a schematic view of the structure of the reinforcing stage of example 1;

FIG. 5 is a disassembled view of the reinforcing bar structure of example 1;

FIG. 6 is a schematic view of the structure of a backing plate of example 1;

FIG. 7 is a schematic view of the bottom structure of the reinforcing stage according to embodiment 1;

FIG. 8 is a schematic view of the structure of the butt plate of embodiment 1;

FIG. 9 is a plan view of the whole structure of embodiment 1;

FIG. 10 is a plan view of a reinforcing bar structure of example 1;

FIG. 11 is a front plan view of the structure of a mobile station according to embodiment 1

Fig. 12 is a left plan view of the structure of the mobile station according to embodiment 1.

The various reference numbers in the figures mean:

100. a balance arm;

110. a base; 111. a thread groove; 112. a slideway;

120. a fence;

130. a cross beam;

200. reinforcing the moving platform;

210. a mobile station; 211. a weighting groove; 212. a connecting plate; 213. a slider;

220. a reinforcing rod; 221. rotating the column; 222. a bayonet; 223. connecting lugs; 224. connecting holes;

230. a fixing plate; 231. a threaded post;

240. a butt plate; 241. butting bayonets; 242. a through hole;

250. a bolt; 251. a nut;

300. a backing plate;

310. a frame; 311. connecting grids;

320. connecting grooves; 321. and (4) connecting the blocks.

Detailed description of the preferred embodiments

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Examples

Referring to fig. 1 to 12, the present embodiment provides a balance arm protection device for a tower crane, which is convenient for installation and replacement, and includes a balance arm 100, a base plate 300 connected to the top of the balance arm 100, and a reinforcing moving platform 200 disposed on the top of the base plate 300, where the balance arm 100 is provided with a base 110, the base 110 is preferably made of iron alloy material, both sides of the base 110 are provided with slideways 112, the moving platform 210 moves on the slideways 112, weighted iron blocks are placed in weighted grooves 211, balance of front and rear ends of the tower crane is adjusted, the tower crane moves to an appropriate position, the base 110 is screwed through a connecting plate 230 via a threaded post 231, the moving platform 210 is fixed on the base 110, one end of a reinforcing rod 220 is clamped on a diagonal rod on the balance arm 100, so as to reinforce and stabilize the balance arm 100, the moving platform 200 is provided with the moving platform 210, the moving platform 210 is preferably made of stainless steel alloy material, a weighted groove 211 is formed in the moving platform 210, weighted iron blocks are placed in the weighted grooves 211, balance of front and rear ends is adjusted, both sides of the moving platform 210 are provided with fixing plates 230, the top of the fixing plates 230 are symmetrically disposed on the base 110, the moving platform 210 via a threaded post 231.

In this embodiment, the base 110 is preferably made of an iron alloy material, the rail 120 is preferably made of an iron alloy material and is disposed on the top of the base 110 of the rail 120, the cross beam 130 is preferably made of an iron alloy material, the threaded grooves 111 are in threaded connection with the threaded posts 231, so that the installation and fixation are facilitated, the cross beams 130 are connected to two sides of the inner wall of the base 110, the threaded grooves 111 are disposed on two sides of the top of the base 110, and the threaded grooves 111 are in threaded connection with the threaded posts 231.

Specifically, the crossbeam 130 preferably uses ferroalloy material, and backing plate 300 both ends joint is on crossbeam 130, and crossbeam 130 is less than base 110, highly and base 110 parallel and level after laying backing plate 300, is convenient for place the material, connects the net that the preferred stainless steel alloy material of net 311 made, and the workman of being convenient for walks, and crossbeam 130 top is provided with backing plate 300, is provided with frame 310 in the backing plate 300, and frame 310 inner wall is provided with connects net 311.

Further, the preferred ferroalloy material of frame 310, connecting block 321 and the cooperation of connecting groove 320 joint, be convenient for assemble backing plate 300, the transportation of being convenient for, frame 310 one end is provided with connecting block 321, and connecting groove 320 has been seted up to the frame 310 other end, and connecting block 321 cooperates with the joint of connecting groove 320 joint.

In addition, aggravate and place in the groove 211 and aggravate the iron plate, adjust the balance at tower crane front and back both ends, mobile station 210 bottom is provided with a plurality of sliders 213, the rotary column 221 all is connected the cooperation with connecting plate 212 swivelling joint, the rotatory adjustment direction of stiffening rod 220 of being convenient for, the preferred ferroalloy material of stiffening rod 220, slider 213 and slide 112 sliding connection cooperation, mobile station 210 both sides are provided with a plurality of symmetrical connecting plates 212, stiffening rod 220 bottom is provided with rotary column 221, rotary column 221 all is connected the cooperation with connecting plate 212 swivelling joint.

In addition, the preferred ferroalloy material of anchor strut 220, the pull rod joint on anchor strut 220 and the balance arm 100 further consolidates balance arm 100, the preferred ferroalloy material of engaging lug 223, the joint of being convenient for, bayonet 222 has been seted up in anchor strut 220 top center department, and anchor strut 220 top both sides all are provided with engaging lug 223, have seted up connecting hole 224 on the engaging lug 223 axis, and the engaging lug 223 top is provided with buttjunction plate 240.

Still further, the centers of the through hole 242 and the connecting hole 224 are located on the same axis, so that one end of a bolt 250 can penetrate through the through hole 242 and the connecting hole 224 to be in threaded connection with a nut 251, the butt joint bayonet 241 and the bayonet 222 are butt-jointed and reinforced, the circle radiuses of the butt joint bayonet 241 and the bayonet 222 are consistent, symmetrical clamping is facilitated, the through holes 242 are arranged on the axis of the butt joint plate 240, the butt joint bayonet 241 is arranged at the center of the butt joint plate 240, the bolt 250 is arranged at the top of each through hole 242, the nut 251 is arranged at the bottom of the connecting hole 224, and one end of the bolt 250 penetrates through the through hole 242 and the connecting hole 224 to be in threaded connection with the nut 251.

When the tower crane protection device convenient to install and replace is used specifically, when the tower crane is empty, the weighting groove 211 is filled with an iron weighting block to push the mobile station 210, the sliding block 213 at the bottom of the mobile station 210 is in sliding connection with the sliding rail 112, the mobile station moves to a position where the front end and the rear end of the tower crane keep balance positions in a balanced manner, at this time, the threaded column 231 penetrates through the connecting plate 230 to be in threaded connection with the threaded groove 111 on the base 110, the mobile station 210 is fixed on the base 110, the rotating column 221 is in rotating fit with the connecting plate 212, the reinforcing rod 220 is rotated, the bayonet 222 at one end of the reinforcing rod 220 is clamped on the inclined pull rod of the balancing arm 100, one end of the bolt 250 penetrates through the through hole 242 and the connecting hole 224 to be in threaded connection with the nut 251, the butt bayonet 241 and the bayonet 222 are in butt joint reinforcement, and the mobile station 210 is further reinforced on the balancing arm 100.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tower crane is with balance arm protection device convenient to installation is changed, includes balance arm (100) backing plate (300) that balance arm (100) top is connected and the reinforcement that backing plate (300) top set up moves platform (200), its characterized in that: the balance arm (100) is provided with a base (110), both sides of the base (110) are provided with slide ways (112), a movable table (210) is arranged in the reinforcing movable table (200), a weighting groove (211) is formed in the movable table (210), both sides of the movable table (210) are provided with fixed plates (230), the top of each fixed plate (230) is provided with a threaded column (231), the threaded columns (231) penetrate through the fixed plates (230) to be in threaded connection with the base (110), and the tops of both sides of the movable table (210) are symmetrically provided with reinforcing rods (220);

a bayonet (222) is formed in the center of the top of the reinforcing rod (220), connecting lugs (223) are arranged on two sides of the top of the reinforcing rod (220), connecting holes (224) are formed in the axes of the connecting lugs (223), and a butt plate (240) is arranged on the top of each connecting lug (223); a plurality of through holes (242) are formed in the axis of the butt joint plate (240), nuts (251) are arranged at the bottoms of the connecting holes (224), and a butt joint bayonet (241) is formed in the center of the butt joint plate (240); bolts (250) are arranged at the tops of the through holes (242), and one ends of the bolts (250) penetrate through the through holes (242) and the connecting holes (224) to be in threaded connection with the nuts (251); one end bayonet (222) of the reinforcing rod (220) is clamped on the inclined pull rod of the balance arm (100), one end of the bolt (250) penetrates through the through hole (242) and the connecting hole (224) to be in threaded connection with the nut (251), and the butt joint bayonet (241) and the bayonet (222) are fixed.

2. The tower crane of claim 1 is with balance arm protection device convenient to install and change, characterized in that: the improved structure of the fence is characterized in that a fence (120) is arranged at the top of the base (110), a plurality of cross beams (130) are connected to two sides of the inner wall of the base (110), a plurality of thread grooves (111) are arranged on two sides of the top of the base (110), and the thread grooves (111) are in threaded connection with the thread columns (231).

3. The tower crane balance arm protection device convenient to install and replace according to claim 2, and is characterized in that: the top of the cross beam (130) is provided with a backing plate (300), a frame (310) is arranged in the backing plate (300), and the inner wall of the frame (310) is provided with a connecting grid (311).

4. The tower crane balance arm protection device convenient to install and replace according to claim 3, and is characterized in that: frame (310) one end is provided with connecting block (321), connecting groove (320) have been seted up to frame (310) other end, connecting block (321) with connecting groove (320) joint cooperation.

5. The tower crane balance arm protection device convenient to install and replace according to claim 1, and is characterized in that: the bottom of the mobile station (210) is provided with a plurality of sliding blocks (213), and the sliding blocks (213) are matched with the sliding ways (112) in a sliding connection manner.

6. The tower crane balance arm protection device convenient to install and replace according to claim 5, and is characterized in that: a plurality of symmetrical connecting plates (212) are arranged on two sides of the mobile station (210), rotating columns (221) are arranged at the bottoms of the reinforcing rods (220), and the rotating columns (221) are in rotating connection and matching with the connecting plates (212).