CN1932211A

CN1932211A - Scaffold

Info

Publication number: CN1932211A
Application number: CN 200510037266
Authority: CN
Inventors: 韩富强
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-15
Filing date: 2005-09-15
Publication date: 2007-03-21

Abstract

The present invention relates to a kind of framing scaffold. It includes the following several portions: at least one tower frame, a sleeve for enclosing said tower frame, a working platform and an actuator. The described tower frame is fixed on one wall by means of anchorage, the described sleeve can be upwards and downwards moved along said tower frame, the described working platform is parallel to said wall and is supported by said sleeve, not only can be moved upwards and downwards along said tower frame, but also can be transversely and horizontally displaced along the tower frame, the described actuator can be acted on the described working platform so as to implement the described displacement.

Description

Scaffold

Technical field

The present invention relates to motor-driven scaffold.

Background technology

Known have polytype scaffold.Wherein working platform moves up and down along a pylon, and realizes this moving up and down by brake function.The example of these motor-driven scaffolds comprises the ST-GERMAN1989 U.S. Pat 4809814 in March, the inventor U.S. Pat 5636705 and the US in November in 1994 5368125 in June, 1997.

Yet, when being used for the brickwork of building such as apartment house,, must scaffold be installed so that the working platform that can only move up and down is walked around all balconies because building has the balcony of outside protrusion etc.In order to arrive the wall between balcony, also must be from the working platform artificial an extension platform be installed, this extension platform extends on the building wall between the balcony.

Obviously, this extension platform all must be installed and remove to walk around this balcony at each balcony place, and this is not only time-consuming, and causes operation danger because of operation height sometimes.

Summary of the invention

Therefore main purpose of the present invention provides a kind of motor-driven scaffold, to overcome above-mentioned inconvenience and shortcoming.

Another object of the present invention provides a kind of motor-driven scaffold, wherein working platform can towards or leave the wall that this scaffold is installed and move.

A further object of the invention provides a kind of motor-driven scaffold, wherein can move with simple device the described of platform of finishing the work.

Scaffold of the present invention comprises that anchoring piece, a part that a vertically extending pylon, a plurality of perpendicular separation are opened surround the sleeve of described pylon, a scaffold, a movable framework, a working platform and an actuator; Described anchoring piece is used for described pylon is fixed to a wall; Described sleeve can be driven and move up and down along described pylon; Described scaffold is being detachably fixed on the upright position on the described sleeve, and vertical with described pylon; Described movable framework is movably by described scaffold supporting and parallel with described scaffold; Described working platform is parallel to described movable framework usually and an end is detachably fixed on the described movable framework, is used for the transverse horizontal displacement along pylon of described movable framework and described working platform; Described actuator is contained on the described scaffold, and utilizes described movable framework to affact on the described working platform as media, to realize described displacement.

Described scaffold also comprises first hook and second hook, their equal similarly points upwards, be fixed on described sleeve and the movable framework, described scaffold is removably supported by described first hook, and described working platform is removably supported by described second hook, and under the situation that lacks described scaffold, described actuator and described movable framework, described working platform is removably directly supported by described first hook.

Scaffold of the present invention also comprises roller, is contained on the described scaffold, and rollably supports described movable framework.

In scaffold of the present invention, the worm engaging part that described actuator comprises worm screw, reversible motor and is equally spaced; Described worm screw is rotatably installed on the described scaffold, and its direction of displacement with described movable framework is parallel; Described reversible motor can be rotated described worm screw in the opposite direction; Described worm engaging part is fixed on the described movable framework.

In a scaffold, described actuator comprises a two-way function hydraulic plunger, is used to make described movable framework to be shifted between two extreme positions.

In a scaffold, also comprise roller, be contained on the described scaffold, and rollably support described movable framework.

In a scaffold, described actuator comprises worm screw, a reversible motor and the worm engaging part that is equally spaced; Described worm screw is rotatably installed on the described scaffold, and its direction of displacement with described movable framework is parallel; Described reversible motor can be rotated described worm screw in the opposite direction; Described worm engaging part is fixed on the described movable framework.

In a scaffold, also comprise geared assembly and stop assembly; Described geared assembly is fixed on the described scaffold; Described stop assembly is fixed on the described movable framework, is used for when described movable framework arrives one of two extreme positions or another one optionally and described geared assembly engagement.

In a scaffold, described two extreme positions equate that apart from the distance in a centre position wherein, described movable framework is located substantially on the center of described scaffold and described pylon.

In a scaffold, also comprise and comprise that also one second pylon, a plurality of additional anchor spare that vertically separates, a part surround second sleeve of described second pylon, second scaffold, second a movable framework and an actuator; Described additional anchor spare is used for along wall spaced apart and described second pylon is fixed to described wall with respect to described first pylon; Described second sleeve can be driven and move up and down along described second pylon; Described second scaffold is being detachably fixed on the upright position on described second sleeve, and vertical with described second pylon; The described second movable framework is supported by described second scaffold, and parallel with described second scaffold; Described working platform extends between the first and second movable frameworks along horizontal direction, and its two ends are detachably fixed to the first and second movable frameworks, are used for the transverse horizontal displacement along described first and second pylons of described movable framework and described working platform; Described actuator is contained on described each scaffold, utilizes described movable separately framework to affact on each end of described working platform as media, to realize described displacement.

Description of drawings

Below in conjunction with description of drawings the present invention.Similar mark in the accompanying drawing is represented like.In the accompanying drawing:

Fig. 1 is the partial elevation view of two pylons, has mobile system of the present invention and supporting position working platform thereon.

Fig. 2 is the partial sectional view along 2-2 line among Fig. 1.

Fig. 3 is the partial sectional view along 3-3 line among Fig. 1.

Fig. 4 is the vertical sectional view in zone 4 among Fig. 1.

Fig. 5 is the partial sectional view along 5-5 line among Fig. 4.

Fig. 6 is the sectional view along 6-6 line among Fig. 5.

Fig. 7 is the sectional view along 7-7 line among Fig. 6.

Fig. 8 is the sectional view along 8-8 line among Fig. 4.

Fig. 9 is a right view embodiment illustrated in fig. 4.

Figure 10 is similar to Fig. 5, but has represented another embodiment of actuator.

Figure 11 is the partial sectional view along 11-11 line among Figure 10.

Figure 12 is similar to Fig. 9, but has represented another embodiment of Figure 10.

The specific embodiment

As depicted in figs. 1 and 2, two pylons 20 have wherein been provided, on the ground by the supporting of pedestal (not shown).Wall anchor 24 by the perpendicular separation certain distance is connected to pylon 20 on the building walls W, and pylon 20 has square sectional, and two pylons 20 are identical from the distance of wall W, and has certain distance between them, for example 100 feet.

Sleeve 26 partly surrounds each pylon 20, thereby and lead along vertical direction by as shown in Figure 2 roller 28 and to move up and down, can walk around wall anchor when sleeve 26 moves up and down.These sleeves 26 are led by roller 28 edge pylons separately.

Here can use working platform hoisting system arbitrarily, the hoisting system described in United States Patent (USP) 5636705.Best, each sleeve 26 all has certain height so that two working platformes 30 are bearing in upper position, as shown in Figure 1.These working platformes 30 are supported its each end by sleeve 26 separately.

Motor-driven hoisting system 22 comprises a petrol engine 32, is used for the hydraulic pump 34 of drive installation on shelf 36, and shelf 36 is fixed on each sleeve 26.Obviously also can use power drive system.

Each side that a pair of hook 38 is fixed on sleeve 26 with and top and bottom.According to the present invention, hook 38 generally is used to support the two ends of working platform 30, and can remove from working platform 30.

Scaffold 40 is hooked on the hook 38, and this framework 40 generally is a rectangular shape, and pass pylon and be supported in horizontal direction, and vertical with wall W.Hook 38 is connected on the vertical part 42 in top of scaffold 40, stretches out and sell the 44 lower horizontal parts 46 from scaffold 40, to be affixed to the hole on the ear 48 on the sleeve 26.

Carriage 50 is fixed on the scaffold 40, rotatably mounted horizontally extending worm screw 52, and worm screw 52 is driven by the reversible hydraulic motor of adorning on the carriage 50 54, thus can rotate to two opposite directions, and can be at the axle of the two ends of worm screw 52 driving worm screw 52, as shown in Figure 5.

Hydraulic motor 54 provides pressure oil and is controlled by suitable valve by being installed in hydraulic pump 34 on the shelf 36.

Carriage 56 also is fixed on the scaffold 40, is used for supports vertical roller 58 and horizontal roller 60.Described vertical roller and horizontal roller supporting and guide movable framework 62, this framework 62 generally is a rectangle, in the translational motion that is parallel to scaffold 40 near or leave wall W.Movable framework 62 has the vertical part 64 in top and bottom and 66, and they are respectively C shapes and L shaped, and to form two flanges by vertical roller 58 and horizontal roller 60 engagements, the vertical part 64 in top and bottom and 66 is strengthened by cross-bar shown in Figure 9 68.

Also have working platform engagement hook 70 in the outside of movable framework 62, the entrained hook 38 of this hook 70 and sleeve 26 is similar.Therefore the support pattern of each end of each working platform 30 can be selected.When not needing to be shifted, its end is directly supported by the hook 38 of sleeve 26, and when needs were shifted, its end was by the hook 70 of movable framework 62 and corresponding ear 71 supportings.

Movable framework 62 is equipped with horizon bar 72, and a series of equally spaced rollers 74 are installed on it, and the spacing of these rollers equates with the pitch of worm screw flange 52a, and therefore, when both direction rotated, roller 74 was provided for realizing the displacement of movable framework 62 worm screw 52.

Stop assembly 76 is loaded in the center of scaffold 40, can selectively an engaging pin hook 78 that is contained on the movable framework 62 be engaged on two extreme positions of described framework 62, so also just be engaged on two extreme positions of the working platform 30 that is hooked on the same framework 62.The extreme displacement position of working platform 30 on both direction preferably equates with the tower center distance.

Be connected with in two stop assemblies 76 on engaging pin hook 78 after, a micro switch or other system operate to end the motion of worm screw 52.

Be preferably the operator security system 92 of an operated by foot (shown in Fig. 5,6,7) is provided, move to allow worm screw 52 when needed, thereby movable framework 21 is moved.Described security system 92 needs operation and remains on certain position, to allow worm screw 52 motions.Described system 92 comprises a pedal 94, this pedal is installed in an end of cramp bar 96, when stepping on by the operator, make cramp bar 96 round its approximate central pivot point P1 rotation, this pedal 94 also is installed on the sleeve 26, so just can lifting one vertical bar 98, this bar is rotatably installed in the other end of cramp bar 96.Vertical rod 98 is directed to bar 100 and leads, and this guide peg 100 is parallel to cramp bar 96, and is installed in rotation on the sleeve 26.The bottom of vertical rod 98 is connected with an end or a horizon bar 102 of bar 100 removably, and horizon bar 102 is rotatably mounted to the approximate center fulcrum P2 of scaffold 40.The other end of horizon bar 102 comprises tooth 104, the tooth engagement of two vicinities on this tooth 104 and the gear 106 that is fixed on 52 of worm screws.First spring, 108 bias level bars 102 prevent the rotation of worm screw 52 so that horizon bar 102 is remained on gear engagement position.The other end in security system 92 has second spring 110, when the operator is not activated security system 92, these second spring, 110 bias voltage cramp bars 96, make this cramp bar against a stop 112, this stop 112 makes vertical rod 98 be in the tram, is used for when scaffold 40 is installed on the sleeve 26 and the engagement of the end of horizon bar 102.

Shown in Figure 10,11, as required, actuator comprises worm screw 52, hydraulic motor 54 and driven roller 74, can replace with hydraulic plunger.The form of plunger 80 is two-way hydraulic cylinder and piston unit, and cylinder 82 is contained on the scaffold 40 by means of bearing 84, and 86 in piston rod is connected with ear 90 by transverse bolt 88, and this ear 90 is fixed on the movable framework 62.

The extreme position of piston rod 86 is used for replacing the design of front embodiment stop assembly 76 and pins 78.In this embodiment, security system 92 is unwanted.

Notice working platform 30 can near or move away from wall W, its center to center distance pylon distance can reach the 3-4 foot.Then, when scaffold was installed, pylon 20 can be apart from the such distance of wall W, that is, when working platform 30 is positioned at the center, this working platform will not crossed the balcony that stretches out from wall W, as shown in Figure 2.According to displacement system of the present invention, working platform 30 can laterally move, and with before or after walking around balcony B, makes the bricklayer near wall W.Walking around balcony B is realized by outside the moving of working platform.

In the drawings, working platform 30 is hanged by displacement system of the present invention at each end, but obviously works as working platform enough in short-term, and working platform can only at one end be bearing in extended position by a displacement system.

Claims

1. scaffold, this scaffold comprise that anchoring piece, a part that a vertically extending pylon, a plurality of perpendicular separation are opened surround the sleeve of described pylon, a scaffold, a movable framework, a working platform and an actuator; Described anchoring piece is used for described pylon is fixed to a wall; Described sleeve can be driven and move up and down along described pylon; Described scaffold is being detachably fixed on the upright position on the described sleeve, and vertical with described pylon; Described movable framework is movably by described scaffold supporting and parallel with described scaffold; Described working platform is parallel to described movable framework usually and an end is detachably fixed on the described movable framework, is used for the transverse horizontal displacement along pylon of described movable framework and described working platform; Described actuator is contained on the described scaffold, and utilizes described movable framework to affact on the described working platform as media, to realize described displacement.

2. scaffold as claimed in claim 1, also comprise first hook and second hook, described first and second hooks are similar, equal points upwards, and be respectively fixed on described sleeve and the described movable framework, described scaffold is removably supported by described first hook, and described working platform is removably supported by described second hook, and under the situation that lacks described scaffold, actuator and movable framework, described working platform is directly removably supported by described first hook.

3. scaffold as claimed in claim 1 also comprises roller, is contained on the described scaffold, and rollably supports described movable framework.

4. scaffold as claimed in claim 1, wherein, the worm engaging part that described actuator comprises worm screw, reversible motor and is equally spaced; Described worm screw is rotatably installed on the described scaffold, and its direction of displacement with described movable framework is parallel; Described reversible motor is rotated described worm screw in the opposite direction; Described worm engaging part is fixed on the described movable framework.

5. scaffold as claimed in claim 1, wherein, described actuator comprises a beidirectional hydraulic plunger, is used to make described movable framework to move between two extreme positions.

6. scaffold as claimed in claim 2 also comprises roller, is contained on the described scaffold, and rollably supports described movable framework.

7. scaffold as claimed in claim 6, wherein, the worm engaging part that described actuator comprises worm screw, reversible motor and is equally spaced; Described worm screw is rotatably installed on the described scaffold, and its direction of displacement with described movable framework is parallel; Described reversible motor is rotated described worm screw in the opposite direction; Described worm engaging part is fixed on the described movable framework.

8. scaffold as claimed in claim 6, wherein, described actuator comprises a beidirectional hydraulic plunger, is used to make described movable framework to move between two extreme positions.

9. scaffold as claimed in claim 4 also comprises a geared assembly and stop assembly; Described geared assembly is fixed on the described scaffold; Described stop assembly is fixed on the described movable framework, two extreme positions of described movable framework optionally with described geared assembly engagement.

10. scaffold as claimed in claim 9, wherein, described two extreme positions equate from the distance in a centre position, and described movable framework is located substantially on the center of described scaffold and described pylon.

11. scaffold as claimed in claim 5, wherein, described two extreme positions equate from the distance in a centre position, and described movable framework is located substantially on the center of described scaffold and described pylon.

12. scaffold as claimed in claim 1 comprises that also one second pylon, a plurality of additional anchor spare that vertically separates, a part surround second sleeve of described second pylon, second scaffold, second a movable framework and an actuator; Described additional anchor spare is used for along wall spaced apart and described second pylon is fixed to described wall with respect to described first pylon; Described second sleeve can be driven and move up and down along described second pylon; Described second scaffold is being detachably fixed on the upright position on described second sleeve, and vertical with described second pylon; The described second movable framework is supported by described second scaffold, and parallel with described second scaffold; Described working platform extends between the first and second movable frameworks along horizontal direction, and its two ends are detachably fixed to the first and second movable frameworks, are used for the transverse horizontal displacement along described first and second pylons of described movable framework and described working platform; Described actuator is contained on described each scaffold, utilizes described movable separately framework to affact on each end of described working platform as media, to realize described displacement.