CN201962933U

CN201962933U - Attachable lifting scaffold

Info

Publication number: CN201962933U
Application number: CN2010202970353U
Authority: CN
Inventors: 姜忠海; 李山宜; 孙兴凯; 魏延东; 张康
Original assignee: 罗贵波
Priority date: 2010-08-17
Filing date: 2010-08-17
Publication date: 2011-09-07

Abstract

The utility model provides an attachable lifting scaffold belonging to an attachable lifting scaffold for the structure construction and the decoration construction in a high rise building. The attachable lifting scaffold consists of a scaffold body, an attachable support, an anti-falling device and a lifting power device. The scaffold body comprises a vertical truss (1), a horizontal truss (3) and a protecting bracket (2). The anti-falling device is an idler wheel type anti-falling device and or a balancing point type anti-falling device. The idler wheel type anti-falling device is provided with a pressure-bearing wheel (10) and an eccentric wheel (15) which are arranged at two sides of a guide rail of the scaffold body, wherein the eccentric wheel is not contacted with the guide rail and is locked by a linkage mechanism. When the guide rail quickly lifts down, the eccentric wheel is eccentric to the guide rail under the function of a spring so as to jointly extrude the guide rail with the pressure-bearing wheel at an opposite side, so that the guide rail stops lifting down. The balancing point type anti-falling device is formed by the means that a balancing point (13) is combined with a guide bracket, when the guide rail downwards moves, the balancing point can not downwards sway under the function of a lever so as to block a cross shaft of the guide rail, so that the guide rail can not lift down continuously; therefore, the attachable lifting scaffold has the positive effects of being reasonable in structure, safe and reliable, and multiple in protection.

Description

Attached lift scaffold

Technical field

The utility model relates to a kind of construction implement, particularly belongs to a kind of attached lift scaffold that is applicable to high-rise building structure construction and decoration construction.

Background technology

At present, the construction of high-rise building is generally based on the scaffold of overhanging type, a spot of tower crane of assistance application, cat ladder, elevator etc., and it is shorter that attached lift scaffold is then used the time as a kind of advanced auxiliary construction technology high-rise, construction of super highrise building.Compare with traditional overhanging scaffold, it is few that it has a material of taking, and labor intensive is few, do not influence the engineering construction progress, advantage, especially its lower cost of outstanding building site image, and the characteristics that can repeat to have enough to meet the need use make attached lift scaffold popular on the building site.But because its application time is shorter, product is still perfect not to the utmost, there is safety defect in various degree in design in many support bodys of using at present, security incident happens occasionally, and not only influences workmanship, construction speed and construction costs, and influences the reputation and the development of construction enterprises.

Summary of the invention

The purpose of this utility model promptly is to provide a kind of novel attached lift scaffold, to reach purpose reasonable in design, safe and reliable, easy to use.

Attached lift scaffold disclosed in the utility model is by support body, adhere to supporting, falling proof device and lifting power plant and form; Described support body comprises vertical truss, horizontal truss, and based on the horizontal truss of bottom, with the protective frame that steel pipe and fastener constitute, on the vertical truss guide rail is arranged; Described adhere to supporting comprise the basic part that connects with building structure, with the pull bar and the support bar of basic part fixed connection; Leading truck is established in joint portion at pull bar and support bar, cooperates with the guide rail of above-mentioned support body; Described lifting power plant is meant and is installed in the power-equipment that adheres between supporting and the support body, drives the support body lifting; It is characterized in that described falling proof device is meant roller type catching device and/or the balancing point type fall-preventing device that is installed on the leading truck;

Described roller type catching device places the leading truck top, has the pressure-bearing wheel and the eccentric wheel that are distributed in support body guide rail both sides; Eccentric normality is discontiguous with guide rail; Eccentric normality is locked by interlinked mechanism; Described interlinked mechanism is made of pulley, triggering wheel and connecting rod, dead bolt, and pulley contacts with guide rail; Connecting rod one end by bearing pin with trigger wheel and be connected, the other end is connected with dead bolt, dead bolt cooperates with normality locked groove on the eccentric wheel outer edge surface; Pulley and trigger the coaxial installation of wheel at both on corresponding, triggers wheel and goes up near the outer rim place pin of triggering is arranged, and the centrifugal film that is wedge shape is arranged on the pulley; Centrifugal film is installed on the pulley surface by bearing pin, when the vertical pulley center axle of centrifugal film side, does not contact with the triggering pin that triggers on taking turns; When centrifugal film is flapped toward the pulley outer rim,, pulley and triggering wheel are rotated synchronously with the triggering pin contacts that triggers on the wheel;

Described balancing point type fall-preventing device is by balancing point and leading truck be combined into; The rear end of balancing point is installed on the leading truck by bearing pin, and under the deadweight effect, bottom, stage casing load is on the crossbeam of leading truck, and front bottom end is curved.

Attached lift scaffold provided by the utility model, the operating principle of roller type catching device is: when guide rail rises or controlledly slowly descends, pulley slowly rotates thereupon, the vertical naturally pulley center axle of centrifugal film side, trigger the wheel attonity, eccentric wheel is locked to normality, does not promptly contact with guide rail.On the contrary, when guide rail descends rapidly, pulley fast rotational, centrifugal film are flapped toward the pulley outer rim, with the triggering pin contacts that triggers on the wheel, make pulley and trigger wheel rotation synchronously, then drive dead bolt by connecting rod and withdraw from from eccentric normality locked groove, eccentric wheel is partial to guide rail under spring action, jointly guide rail is imposed squeezing action with the pressure-bearing wheel of offside, make it to stop gliding.Balancing point type fall-preventing device of the present utility model, when guide rail moved upward, the guide rail transverse axis slipped over the arcwall face of balancing point front bottom end, balancing point was lifted and upwards swing, and is without hindrance to guide rail; On the contrary, when guide rail moved downward, because of leverage, balancing point can not be lived guide rail transverse axis load to lower swing, makes guide rail can not continue to move down.As seen, the utlity model has good effect rational in infrastructure, safe and reliable, multiple-protection.

Description of drawings

Accompanying drawing partly discloses specific embodiment of the utility model, wherein,

Fig. 1, the utility model elevation;

Fig. 2, the utility model left side view;

Fig. 3, A portion enlarged diagram;

Fig. 4, B portion enlarged diagram;

Fig. 5, C portion enlarged diagram;

Fig. 6, D-D is to schematic diagram;

Fig. 7, centrifugal film and triggering pin position view;

Fig. 8, E-E is to schematic diagram.

The specific embodiment

As shown in Figure 1 and Figure 2, support body of the present utility model comprises vertical truss 1, horizontal truss 2, protective frame 3.Protective frame is that horizontal truss, usefulness steel pipe and the fastener based on the bottom constitutes.Adhere to supporting comprise the basic part 6 that connects with building structure 7, with the pull bar 4 and the support bar 5 of basic part fixed connection.The leg-of-mutton structural shape of supporting employing that adheres to of the present utility model.Lifting power plant 8 is meant a toggle chain electric block, and an end is fixed in and adheres to supporting, and the other end is connected in support body, can drive the support body lifting.For easy to operate, the suspension centre of Electric Chain Blocks of the present utility model is located on the horizontal truss of support body bottom, and suspension centre can guarantee the horizontal truss and the vertical unnecessary disconnection of truss of support body between vertical truss, have the better overall structural strength.

As Fig. 3～shown in Figure 5, on the vertical truss of the present utility model guide rail 9 is arranged, leading truck 11 is established in the joint portion of pull bar and support bar, cooperates with the guide rail 9 of above-mentioned support body.Falling proof device promptly is installed in the leading truck position.

As Fig. 3, Fig. 5～shown in Figure 7, roller type catching device of the present utility model places the leading truck top, has the 10 and eccentric wheels 15 of two pressure-bearings wheels that are distributed in support body guide rail 9 both sides.Under normal circumstances, the pressure-bearing wheel contacts with guide rail, and eccentric wheel does not contact with guide rail.Move the handle 16 on the eccentric wheel, overcome the resistance of spring 24, make it to break away from, promptly be in the normal state, overlap interlinked mechanism with it locking by one then with guide rail.As Fig. 5, shown in Figure 6, described interlinked mechanism is made of pulley 22, triggering wheel 20 and connecting rod 19, dead bolt 18.Connecting rod one end by bearing pin with trigger wheel and be connected, the other end is connected with dead bolt, dead bolt cooperates with normality locked groove 17 on the eccentric wheel outer edge surface.As Fig. 6, shown in Figure 7, pulley and trigger the coaxial installation of wheel at both on corresponding, triggers wheel and goes up near the outer rim place pin of triggering 23 is arranged, and four centrifugal films 21 that are wedge shape are arranged on the pulley, and centrifugal film is installed on the pulley surface by bearing pin.Pulley keeps in touch with guide rail constantly.When guide rail moves upward or slow when mobile, the vertical pulley center axle of centrifugal film side does not contact with triggering pin on triggering wheel; On the contrary, when guide rail moves downwards rapidly, the pulley quick rotation, centrifugal film is flapped toward the pulley outer rim, with the triggering pin contacts that triggers on the wheel, pulley is rotated synchronously with triggering wheel, and drivening rod, dead bolt action are removed eccentric locking then, eccentric wheel is under spring 24 effects, be partial to guide rail,, make guide rail stop to descend with the horizontal squeezing action of the common generation of pressure-bearing wheel.

As Fig. 4, shown in Figure 8, described balancing point type fall-preventing device is combined with leading truck and is constituted by balancing point 13.The rear end of balancing point is installed on the leading truck 11 by bearing pin 14, and under the deadweight effect, bottom, stage casing load is on the crossbeam of leading truck, and front bottom end is curved, and under normal circumstances, guide rail transverse axis 12 falls to riding over the front end of balancing point.When guide rail moved upward, guide rail transverse axis 12 slipped over the arcwall face of balancing point front bottom end, balancing point was lifted and upwards swing, and guide rail is not produced obstruction; On the contrary, when guide rail moved downward, because of leverage, balancing point can not be to lower swing, thereby guide rail transverse axis load is lived, and made guide rail can not continue to move down.

Above-mentioned roller type catching device and balancing point type fall-preventing device can be installed or be used in combination to the utility model separately, the above-mentioned catching device of one cover can be installed, many covers also can be installed simultaneously, according to the field condition use of can arranging in pairs or groups flexibly, have build that materials are few, the job site clean and tidy, easy accessibility, safe and reliable characteristics.

Claims

1. attached lift scaffold is by support body, adhere to supporting, falling proof device and lifting power plant and form; Described support body comprises vertical truss (1), horizontal truss (3), and based on the horizontal truss of bottom, with the protective frame (2) that steel pipe and fastener constitute, on the vertical truss guide rail (9) is arranged; Described adhere to supporting comprise the basic part (6) that connects with building structure, with the pull bar (4) and the support bar (5) of basic part fixed connection; Establish leading truck (11) in the joint portion of pull bar and support bar, cooperate with the guide rail of above-mentioned support body; Described lifting power plant is meant and is installed in the power-equipment (8) that adheres between supporting and the support body, drives the support body lifting; It is characterized in that described falling proof device is meant roller type catching device and/or the balancing point type fall-preventing device that is installed on the leading truck;

Described roller type catching device places the leading truck top, has the pressure-bearing wheel (10) and the eccentric wheel (15) that are distributed in support body guide rail both sides; Eccentric normality is discontiguous with guide rail; Eccentric normality is locked by interlinked mechanism; Described interlinked mechanism is made of pulley (22), triggering wheel (20) and connecting rod (19), dead bolt (18), and pulley contacts with guide rail; Connecting rod one end by bearing pin with trigger wheel and be connected, the other end is connected with dead bolt, dead bolt cooperates with normality locked groove (17) on the eccentric wheel outer edge surface; Pulley and trigger the coaxial installation of wheel at both on corresponding, triggers wheel and goes up near the outer rim place pin of triggering (23) is arranged, and the centrifugal film (21) that is wedge shape is arranged on the pulley; Centrifugal film is installed on the pulley surface by bearing pin;

Described balancing point type fall-preventing device is by balancing point (13) and leading truck be combined into; The rear end of balancing point is installed on the leading truck by bearing pin (14), and bottom, stage casing load is on the crossbeam of leading truck, and front bottom end is curved.