CN111764626A

CN111764626A - Cantilever type scaffold

Info

Publication number: CN111764626A
Application number: CN202010507119.3A
Authority: CN
Inventors: 孙建洪; 郁军海; 钟雄峰; 宋宏野; 刘博�
Original assignee: Chengxi Shipyard Co Ltd
Current assignee: Chengxi Shipyard Co Ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-10-13
Anticipated expiration: 2040-06-05
Also published as: CN111764626B

Abstract

The invention relates to a cantilever type scaffold, which comprises a vertically arranged bearing body, a constraint part arranged on the upper part of the bearing body and a cantilever type workbench arranged on the lower part of the bearing body, wherein a connecting piece is arranged at the edge of one side of the workbench corresponding to the bearing body, a guardrail is arranged on the connecting piece, a lifting mechanism for driving the workbench to lift is arranged on one side of the bearing body, the workbench comprises a support frame and a screen plate laid on the support frame, and the cantilever type scaffold, the bearing body, the support frame, the connecting piece and the lifting mechanism can be assembled into a whole in advance, and the guardrail can also be assembled in advance, so that the number of parts required to be assembled when the scaffold is integrally assembled is; the height of support frame can be adjusted fast to the height of adjustment otter board increases the high scope that the workman can be under construction, can adjust the height of support frame moreover when the otter board slope is excessive, accomplishes the regulation to the otter board levelness automatically, so that the workman passes through.

Description

Cantilever type scaffold

Technical Field

The invention relates to the technical field of construction tools, in particular to a cantilever type scaffold for building a 70000 ton sawdust boat.

Background

In 70000 the construction process of boats and ships such as ton saw-dust ship, build living area segmentation on and need set up a large amount of scaffolds, provide work platform for construction operation personnel, but because ordinary scaffold structure is complicated, the part is many, cause to set up efficiency not high, influence the construction progress, in addition, the workstation of scaffold inclines easily when setting up, and ordinary scaffold is once set up the completion and just is difficult to height-adjusting, influences the workman and removes at the scaffold.

There is therefore a need to provide a new cantilever scaffold to solve the above problems.

Disclosure of Invention

The invention aims to provide a cantilever type scaffold which is light, convenient and quick to assemble and capable of adjusting the height of a workbench.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cantilever type scaffold, its supporting body that includes vertical setting, set up in the about constraint portion on supporting body upper portion and set up the cantilever type workstation in the supporting body lower part, workstation and the corresponding side edge of supporting body are provided with the connecting piece, be provided with the guardrail on the connecting piece, one side of supporting body is equipped with the elevating system that the drive workstation goes up and down, the workstation includes the support frame and lays the otter board on the support frame.

Further preferred technical scheme still, the supporting body includes two carrier bars at least, the about part is the couple, couple and support frame symmetry set up the both sides at the carrier bar, the couple is the U type and the opening is down, one side of U type couple is fixed with the stiffener.

Further preferred technical scheme still, the support frame is equipped with the extension section towards couple one side the tip of support frame extension section is provided with the gyro wheel.

Further preferably, the connecting piece is a vertical sleeve, the guardrail comprises a straight pipe, a limiting sleeve, a clamping cable and a handhold rod, the straight pipe is inserted into the bottom of the vertical sleeve, the limiting sleeve is sleeved on the straight pipe, the clamping cable is fixed with the limiting sleeve, the handhold rod is arranged in the clamping cable, the handhold rod and the clamping cable are firmly fixed through the binding piece, and the limiting sleeve is fixed to the middle and the bottom of the straight pipe through bolts.

Further preferably, the screen plates are arranged between the two support frames in a double-block mode, through holes are formed in four corners of each screen plate, and the two screen plates and the support frames are firmly fixed through binding pieces.

Further preferred technical scheme still, elevating system establishes on the lead screw and with lead screw thread fit's nut, lifting sleeve and the adjusting unit of setting on the otter board including setting up the lead screw on carrier bar one side, connecting at the motor of lead screw one end, cover, nut and fall way are equipped with two at least, lifting sleeve's one side and nut fixed connection, lifting sleeve's opposite side and support frame fixed connection, adjusting unit passes through the controller and is connected with the motor electricity.

In a further preferred technical scheme, the screw rod and the bearing rod are arranged in parallel, the lifting sleeve is sleeved on the bearing rod, and the lifting sleeve is a linear bearing.

Further preferred technical scheme still, the regulating unit includes the V-arrangement pipe of setting on the otter board, sets up the electrically conductive ball in the V-arrangement pipe, sets up the electrode at V-arrangement pipe both ends, the electrode includes stationary blade and spring leaf, spring leaf and stationary blade form V type structure, the motor passes through the controller and is connected with stationary blade and spring leaf.

Further preferred technical scheme still, the support frame is including the bracing piece that is used for supporting the otter board, set up lower stiffener, vertical stiffener and the dead lever in the bracing piece below, the dead lever sets up stiffener and bracing piece under the bracing piece for vertical sheathed tube one end and fixed connection, vertical stiffener is located bracing piece middle part and fixed connection stiffener and bracing piece down, the lift sleeve pipe is fixed on the dead lever.

Further, according to a preferable technical scheme, the motor is a servo motor.

The invention has the advantages and beneficial effects that:

1. supporting body, support frame, connecting piece and elevating system can assemble into an organic whole in advance, and the guardrail also can assemble in advance and accomplish to the part number that needs the equipment when reducing this scaffold frame whole equipment, the swift equipment of being convenient for.

2. Through elevating system, can the height of quick adjustment support frame to the height of adjustment otter board increases the high scope that the workman can be under construction, moreover through the regulating unit, can be when the otter board slope is excessive, adjusts the height of support frame, accomplishes the regulation to the otter board levelness automatically, so that the workman passes through.

3. Through setting up the handrail at the straight tube top, can be convenient for the workman borrow power and support, set up the handrail at the straight tube middle part, can prevent that the workman from the landing on the otter board.

4. The screen plate and the screen plate as well as the screen plate and the bearing bodies are firmly fixed by the lead wires, so that the screen plate can be prevented from moving and dislocating along with the walking of workers, the gap between the two bearing bodies is prevented, and the workers are prevented from falling down.

Drawings

Fig. 1 is a schematic structural view of a cantilever scaffold of the present invention;

fig. 2 is a schematic structural view of the cantilever scaffold of the present invention;

fig. 3 is a structural view of a guard rail of the cantilever scaffold of the present invention;

fig. 4 is a schematic structural view of an adjusting unit of the cantilever scaffold of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

in the figure: 1. the supporting body, 2, the restraint part, 3, the supporting rod, 4, the screen plate, 5, the vertical sleeve, 6, the guardrail, 61, the straight pipe, 62, the limiting sleeve, 63, the clamping rope, 64, the hand rod, 7, the motor, 8, the lead screw, 9, the nut, 10, the lifting sleeve, 11, the roller, 12, the vertical reinforcing rod, 13, the lower reinforcing rod, 14, the V-shaped pipe, 15, the conductive ball, 16, the fixing piece, 17, the spring piece and 18, the fixing rod.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-2, a cantilever scaffold comprises a vertically arranged supporting body 1, a constraint part 2 arranged on the upper part of the supporting body 1, and a cantilever workbench arranged on the lower part of the supporting body 1, wherein a connecting piece is arranged on one side edge of the workbench corresponding to the supporting body 1, a guardrail 6 is arranged on the connecting piece, a lifting mechanism for driving the workbench to lift is arranged on one side of the supporting body 1, and the workbench comprises a supporting frame and a mesh plate 4 laid on the supporting frame.

Further preferred technical scheme still, supporting body 1 includes two carrier bars at least, about part 2 is the couple, couple and support frame symmetry set up the both sides at the carrier bar, the couple is the U type and the opening is downward, one side of U type couple is fixed with the stiffener. The hook and the support frame are symmetrically arranged on two sides of the bearing rod, so that the bearing rod is stressed in a balanced manner; the upper reinforcing rod can improve the strength of the hook.

Further preferred technical scheme still, the support frame is equipped with the extension section towards couple one side the tip of support frame extension section is provided with gyro wheel 11. The extension section of support frame 3 can support and lean on the wall body for carry out auxiliary stay to supporting body 1, prevent that supporting body 1 from rocking, and gyro wheel 11 can reduce support frame 3 when going up and down with the friction of wall body, avoid the damage of support frame 3 extension section.

As shown in fig. 3, the connecting member is a vertical sleeve 5, the guardrail 6 includes a straight tube 61 with a bottom inserted into the vertical sleeve 5, a stop collar 62 sleeved on the straight tube 61, a cable 63 fixed with the stop collar 62, and a handle bar 64 arranged in the cable 63, the handle bar 64 and the cable 63 are firmly fixed by a binding member, and the stop collar 62 is fixed at the middle and bottom of the straight tube 61 by bolts. The handhold rod 64 arranged at the top of the straight pipe 61 can be convenient for workers to use and support, and the handhold rod 64 arranged at the middle part of the straight pipe 61 can prevent the workers from sliding off the screen plate 4; wherein the tying member may preferably be a double strand 16# lead wire.

Further preferably, the screen plates 4 are arranged between the two support frames in a double-block manner, through holes are formed in four corners of each screen plate 4, and the two screen plates 4 and the support frames are firmly fixed through binding pieces. To facilitate the threading of the net panels 4 through the through holes of the net panels 4 and to achieve the binding of the net panels 4 to the support, the rack binder may preferably be a double strand 12# lead wire.

As shown in fig. 4, the lifting mechanism includes a screw rod disposed on one side of the bearing rod, a motor 7 connected to one end of the screw rod, a nut 9 sleeved on the screw rod and in threaded fit with the screw rod 8, a lifting sleeve 10, and an adjusting unit disposed on the screen plate 4, wherein the nut 9 and the lifting pipe are at least two, one side of the lifting sleeve 10 is fixedly connected with the nut 9, the other side of the lifting sleeve 10 is fixedly connected with the support frame, and the adjusting unit is electrically connected with the motor 7 through a controller. When the support frame needs to be lifted, the motor 7 works to drive the lead screw to rotate, so that the nut 9 is lifted to drive the support frame to lift, and the inclination and height adjustment of the screen plate 4 are realized

As shown in fig. 5, the screw rod and the carrying rod are arranged in parallel, the lifting sleeve 10 is sleeved on the carrying rod, and the lifting sleeve 10 is a linear bearing. When the screw rod rotates, the lifting sleeve 10 fixed with the nut 9 can only move up and down along the bearing rod, so that the nut 9 can not rotate but move up and down along the screw rod, and the lifting of the support frame is realized; the lifting sleeve 10 is a linear bearing, so that the lifting sleeve 10 can be lifted and lowered smoothly along the bearing rod.

Further preferably, the adjusting unit comprises a V-shaped tube 14 arranged on the mesh plate 4, a conductive ball 15 arranged in the V-shaped tube 14, and electrodes arranged at two ends of the V-shaped tube 14, wherein the electrodes comprise a fixing piece 16 and a spring piece 17, the spring piece 17 and the fixing piece 16 form a V-shaped structure, and the motor 7 is connected with the fixing piece 16 and the spring piece 17 through a controller. When the screen plate 4 is excessively inclined, the conductive balls 15 downwards roll under the action of gravity until the screen plate rolls to one side of the V-shaped pipe 14, at the moment, the conductive balls 15 are clamped between the fixing piece 16 and the spring piece 17, so that the spring piece 17 is deformed, the conductive balls 15 are clamped between the fixing piece 16 and the spring piece 17, so that the fixing piece 16 is communicated with the spring piece 17, the controller receives a signal, the controller controls the motor 7 on the lower side of the support frame to be electrified to work, the height of the support frame is raised, and the automatic adjustment of the inclination of the screen plate 4 is realized; when the inclination of the screen plate 4 is proper; the spring piece 17 and the fixing piece 16 with the V-shaped structural design can apply thrust to the conductive ball 15, so that the conductive ball 15 can be conveniently separated; the V-shaped pipe 14 can limit the movement of the conductive ball 15, and can buffer the shaking of the screen plate 4 caused by the normal walking of a worker or strong wind.

Further preferred technical scheme still, the support frame includes bracing piece 3, the lower stiffener 13, vertical stiffener 12 and the dead lever 18 of setting below bracing piece 3 that are used for supporting otter board 4, dead lever 18 sets up stiffener 13 and bracing piece 3 under the one end and the fixed connection relative to vertical sleeve 5 at bracing piece 3, vertical stiffener 12 is located bracing piece 3 middle part and fixed connection lower stiffener 13 and bracing piece 3, lift sleeve 10 is fixed on dead lever 18.

The cantilever type scaffold comprises the following steps: firstly, the lifting mechanism, the hook 2, the bearing body 1 and the support frames are assembled together, the hook 2 is hung on a wall body, then a worker lays the net plates 4 on the two support frames and ties up firmly by lead wires, and then the worker inserts the guardrails 6 on the vertical sleeve 5 to realize the rapid assembly of the scaffold.

Compared with the prior art, the cantilever type scaffold,

1. supporting body 1, support frame, connecting piece and elevating system can assemble in advance integratively, and guardrail 6 also can assemble in advance and accomplish to the part number that needs the equipment when reducing this scaffold frame whole equipment, the swift equipment of being convenient for.

2. Through elevating system, can the height of quick adjustment support frame to the height of adjustment otter board 4 increases the high scope that the workman can be under construction, moreover through the regulating unit, can be when otter board 4 inclines excessively, adjusts the height of support frame, accomplishes the regulation to 4 levelness of otter board automatically, so that the workman passes through.

3. Through setting up the handrail 64 at the straight tube 61 top, can be convenient for the workman borrow power and support, set up the handrail 64 in the middle part of straight tube 61, can prevent that the workman from landing from otter board 4.

4. Between otter board 4 and the otter board 4 and between otter board 4 and the supporting body 1 firmly fixed by the lead wire, can avoid otter board 4 to remove the dislocation along with workman's walking about, prevent to appear the vacancy between two supporting bodies 1, avoid the workman to fall.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a cantilever type scaffold, its characterized in that, including the supporting body of vertical setting, set up at the about department on supporting body upper portion and set up the cantilever type workstation in the supporting body lower part, workstation and the corresponding side edge of supporting body are provided with the connecting piece, be provided with the guardrail on the connecting piece, one side of supporting body is equipped with the elevating system that the drive workstation goes up and down, the workstation includes the support frame and lays the otter board on the support frame.

2. The cantilever scaffold according to claim 1, wherein the supporting body comprises at least two supporting rods, the restraining portion is a hook, the hook and the supporting frame are symmetrically disposed on two sides of the supporting rods, the hook is U-shaped and has a downward opening, and an upper reinforcing rod is fixed to one side of the U-shaped hook.

3. The cantilever scaffold according to claim 2, wherein the support frame is provided with an extension portion at a side thereof facing the hook, and the end of the extension portion of the support frame is provided with a roller.

4. The cantilever scaffold according to claim 1, wherein the connecting member is a vertical sleeve, the guardrail comprises a straight tube with a bottom inserted into the vertical sleeve, a stop collar sleeved on the straight tube, a cable fixed to the stop collar, and a handle bar disposed in the cable, the handle bar and the cable are fixed firmly by a binding member, and the stop collar is fixed to the middle and bottom of the straight tube by bolts.

5. The cantilever scaffold according to claim 1, wherein the net plate is a double plate and is laid between two supports, the net plate has through holes at four corners, and the net plate and the supports are firmly fixed by tying members.

6. The cantilever type scaffold according to claim 2, wherein the lifting mechanism comprises a screw rod disposed at one side of the bearing rod, a motor connected to one end of the screw rod, a nut sleeved on the screw rod and in threaded engagement with the screw rod, at least two lifting sleeves, and an adjusting unit disposed on the mesh plate, wherein one side of each lifting sleeve is fixedly connected to the nut, the other side of each lifting sleeve is fixedly connected to the support frame, and the adjusting unit is electrically connected to the motor through a controller.

7. The cantilever scaffold according to claim 6, wherein the lead screw and the carrying rod are arranged in parallel, the lifting sleeve is sleeved on the carrying rod, and the lifting sleeve is a linear bearing.

8. The cantilever scaffold according to claim 6, wherein the adjusting unit comprises a V-shaped tube disposed on the net plate, a conductive ball disposed in the V-shaped tube, and electrodes disposed at both ends of the V-shaped tube, the electrodes comprising a fixing piece and a spring piece, the spring piece and the fixing piece forming a V-shaped structure, the motor being connected to the fixing piece and the spring piece through a controller.

9. The cantilever scaffold of claim 6, wherein the support frame comprises a support bar for supporting the net plate, a lower reinforcement bar disposed below the support bar, a vertical reinforcement bar disposed at an end of the support bar opposite to the vertical sleeve and fixedly connecting the lower reinforcement bar and the support bar, and a fixing bar, the vertical reinforcement bar being located at a middle portion of the support bar and fixedly connecting the lower reinforcement bar and the support bar, and the lifting sleeve being fixed to the fixing bar.

10. The cantilevered scaffolding according to claim 6, wherein the motor is a servo motor.