CN104631812A - Safety lifting device for scaffold - Google Patents
Safety lifting device for scaffold Download PDFInfo
- Publication number
- CN104631812A CN104631812A CN201310568573.XA CN201310568573A CN104631812A CN 104631812 A CN104631812 A CN 104631812A CN 201310568573 A CN201310568573 A CN 201310568573A CN 104631812 A CN104631812 A CN 104631812A
- Authority
- CN
- China
- Prior art keywords
- scaffold
- lifting device
- head
- safe lifting
- scaffold safe
- 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.)
- Pending
Links
Landscapes
- Movable Scaffolding (AREA)
Abstract
The invention discloses a safety lifting device for a scaffold. The safety lifting device for the scaffold comprises a rotary head part, a main part and a base part, and is characterized in that the rotary head part comprises a handle which is used for exerting the rotating energy and can be installed in an overturned mode, the main part comprises a thread part and an arm part, and the head part is communicated with the thread part so that the head part can be rotated to enable the arm part to relatively move along the thread part. According to the safety lifting device for the scaffold, the situation that due to the sandy soil where the scaffold is placed or the ground area or soil area where a scaffold frame is installed and incorrect impaction or possible settlement, the scaffold inclines can be effectively avoided.
Description
Technical field
The present invention relates to a kind of scaffold safe lifting device.
Background technology
In construction sites such as building site, scaffold is generally used for making safety of workers arrive ground operating position; Be used as support or obstruction simultaneously, prevent the injury that unexpected pendant thing etc. causes.
Scaffold is generally mutually to be interlocked the framework formed by some composite membeies.Its middle frame is generally connected with the biteplate on ground, with the weight of support scaffolding.
Conventional scaffold institute problems faced is: for placing the ground of scaffold, is not usually made ground uneven by abundant compacting.Like this, ground is placed the peripheral region just easily sedimentation of ground biteplate, scaffold frame may be caused to tilt.
The scaffold tilted is extremely dangerous, when stretching the high height to a few floor, even if slight inclination also may mean the vertical great distances of skew.
Usually, in order to adjust such inclination, needing to dismantle scaffold frame, once ground biteplate flattens, then needing to re-assembly scaffold frame; Or need, with machineries such as cranes, scaffold is risen to correct angle, and then carry out patch work, to guarantee scaffold lower margin safety.This often means that and need filling and levelling ground or other insert materials are inserted into below ground biteplate.
It is extremely dangerous for it should be noted that workman performs task under suspended weights.
Summary of the invention
The present invention attempts the above-mentioned shortcoming overcoming existing scaffold safe lifting device, provides a kind of scaffold safe lifting device.
The invention provides a kind of scaffold safe lifting device, comprise rotatable head, main part and basal part, rotatable head comprises the handle for applying rotational, main part comprises threaded portion and arm, wherein head and threaded portion are interconnected, and threadingly partly carry out relative motion to be made arm by end rotation.
Preferably, described head comprises ratchet mechanism further.
Preferably, in use, described head coordinates with ratchet mechanism, and head Relative vertical side is moved upward.
Preferably, described head comprises the level indicator be used to indicate relative to vertical direction further.
Preferably, the far-end of described arm is provided with some pin receiver holes.
Preferably, described basal part is provided with some holes, is connected by basal part by this some holes to make securing member with other positions.
Preferably, described head is circular, does not have possibility to hook the ledge of clothes or other objects to make head.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
Scaffold safe lifting device of the present invention, can effectively avoid the sand soil because placing scaffold maybe will install ground or the soil region of scaffold frame, incorrect compacting or possible scaffold that sedimentation causes tilt.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the top view of scaffold safe lifting device of the present invention;
Fig. 2 is the lateral view of scaffold safe lifting device of the present invention;
Fig. 3 is the lateral view of an embodiment in the present invention;
Fig. 4 is the lateral view of another embodiment in the present invention;
Fig. 5 is the lateral view of another embodiment in the present invention.
Detailed description of the invention
Referenced drawing, wherein scaffold safe lifting device 10 comprises rotatably mounted head 12, main part 14 and basal part 16.
Preferably, rotatably mounted head 12 is provided with the handle 18 that can be used for the turning installation applying rotational.Can be used for applying turning mounting handle 18 set-up mode of rotational be: when not in use, it can be diverted in make position, and to make on the turning mounting handle 18 that can be used for applying rotational, any part all can not extended tips 12.
Preferably, head 12 is roughly circle, to make head without any ledge, and therefore workman's risk that clothes or baring skin can be emitted to be caught on by head and safe passing.
According to a preferred embodiment of the invention, head 12 is provided with level indicator 20 further.Level indicator 20 is provided to the vertically opposite angle indicating scaffold safe lifting device.
Preferably, level indicator 20 is spirit level indicators of pair of orthogonal arrangement.More preferably, level indicator 20 is single circular horizontal indicator.
Described main part 14 comprises threaded portion 22 and arm 24.Threaded portion is set to be engaged with head 12.Like this, head 12 rotates and threaded portion 22 can be made relative to arm movement.Wherein, the rotary motion of the head motion that makes arm 24 carry out on Relative vertical direction.
According to another preferred embodiment of the invention, head 12 comprises ratchet mechanism 26 further.Ratchet mechanism 26 arranges the direction that threaded portion is arranged according to ratchet mechanism 26, makes control lever 28 only in the position that a direction rotates.
Arm 24 is provided with some pin receiver holes 28 in the end away from threaded portion 22, and these pin receiver holes arrange to receive the alignment pin on the arm or bar that may be connected with arm.Arm 24 comprises the occlusion portion 30 for receiving threaded portion 22 further.Described occlusion portion 30 is set to, and during by the rotary motion of threaded portion 22, makes arm 24 make relative horizontal movement.
The basal part 16 of device 10 of the present invention arranges and is used as ground biteplate.Basal part 16 can comprise the some holes by basal part lowermost portion further, is fixed on other materials by basal part with the securing member be applicable to by use.
According to a preferred embodiment of the invention, head 12 comprises level indicator further.The present invention uses level indicator to guarantee that to attempt device 10 of the present invention before adjustment framework level itself be level especially.
According to another preferred embodiment of the invention, head 12 comprises two orthogonal spirit level indicators.
During use, when installation foot hand cradle, scaffold safe lifting device 10 is arranged at least one angle of scaffold frame.Arm 24 arranges to be engaged with the component of scaffold frame, and during to allow to construct, framework flushes relative to horizontal direction.
Once the present invention is connected on scaffold frame, basal part 16 is set to be engaged with ground.According to the particular location that scaffold safe lifting device 10 is installed, basal part 16 can be fixed on other devices (as plank, plank or fragment of brick) ensureing stability to increase the stability of device.Particularly importantly, the sand soil placing scaffold maybe will be installed ground or correctly compacting or the possibility sedimentation of soil region of scaffold frame.
Then, handle 18 can be rotated to open position by device user.User is by rotary handle operation scaffold safe lifting device 10.Head 12 rotates and the threaded portion 22 of main part can be made to move.Wherein, arm is made to move in Relative vertical direction.
User adjusts the horizontal plane of connected scaffold frame by the rotary motion of head 12.Make spirlt level can determine horizontal plane near scaffold frame.
According to a preferred embodiment of the present invention, user carries out axially-movable to be engaged ratchet mechanism 26 by making head 12.In axially-movable, head movement makes to be engaged ratchet mechanism 26, and wherein the motion of main part is separated with handle 18, and such as handle only rotates in a direction and threaded portion 22 opposed arms 24 is moved.The direction of motion is allowed to be controlled by direction controlling bar 28.
Valuably, inventor has found to arrange ratchet mechanism 26 and rounded nose 12 can make scaffold safe lifting device of the present invention be arranged in the confined space and very near wall and other obstructions, simultaneously still can operating means.
When therefore surface settlement also affect the stability of the scaffold that ground is placed, scaffold safe lifting device 10 is particularly useful, because it makes user can operate scaffold lower margin, thus guarantees that scaffold is fully supported.
In some cases, the lower margin building installation foot hand cradle safe lifting device 10 may be needed, be correctly supported on sedimentation ground to make scaffold.In this case, some holes that basal part provides are very useful, because scaffold safe lifting device 10 is fixed on lower margin by securing member, to guarantee additional stability by its permission.
Inventor also finds, under needing lifting assembly or promoting other useful situations of assembly, scaffold safe lifting device 10 is of great benefit to.Such as, when supporting existing structure, device of the present invention is particularly useful.In this case, scaffold safe lifting device 10 is arranged at bar or beam one end, and the arm being simultaneously set to device when in raised makes the load on support member move, and this may affect repairing.
Similarly, wherein scaffold safe lifting device 10 is arranged at the either end of bar, beam or beam.In such layout, the consistent some scaffold safe lifting devices 10 used can be used to promote whole house, wherein allow user to complete again to tasks such as flat floor or house recurrence stubs.
Apparent amendment the reader with know-how and change are considered as within the scope of the present invention.
Claims (8)
1. scaffold safe lifting device, comprise rotatable head, main part and basal part, it is characterized in that: described rotatable head comprises the handle of the turning installation for applying rotational, described main part comprises threaded portion and arm, wherein said head and described threaded portion are interconnected, to make described arm carry out relative motion along described threaded portion by rotating described head.
2. scaffold safe lifting device as claimed in claim 1, is characterized in that: comprise ratchet mechanism in described head.
3. scaffold safe lifting device as claimed in claim 2, is characterized in that: described head coordinates with ratchet mechanism, head is in use moved upward Relative vertical side.
4. as the scaffold safe lifting device in the claims as described in arbitrary, it is characterized in that: described head comprises the level indicator be used to indicate relative to vertical direction.
5. as the scaffold safe lifting device in the claims as described in arbitrary, it is characterized in that: described arm far-end is provided with some pin receiver holes.
6. as the scaffold safe lifting device in the claims as described in arbitrary, it is characterized in that: described basal part is provided with some holes, by this some holes, basal part is connected with other positions to make securing member.
7. as the scaffold safe lifting device in the claims as described in arbitrary, it is characterized in that: described head, for circular, does not have possibility to hook the ledge of clothes or other objects to make described head.
8. one kind according to the scaffold safe lifting device in the claims described in arbitrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310568573.XA CN104631812A (en) | 2013-11-15 | 2013-11-15 | Safety lifting device for scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310568573.XA CN104631812A (en) | 2013-11-15 | 2013-11-15 | Safety lifting device for scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104631812A true CN104631812A (en) | 2015-05-20 |
Family
ID=53211007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310568573.XA Pending CN104631812A (en) | 2013-11-15 | 2013-11-15 | Safety lifting device for scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104631812A (en) |
-
2013
- 2013-11-15 CN CN201310568573.XA patent/CN104631812A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7845882B2 (en) | Subsea suction pile crane system | |
| US10099660B2 (en) | Truck-mounted concrete pump and method for operating same | |
| CN107215808A (en) | A kind of hydraulic elevating platform safety stabilizing devices | |
| US20160161046A1 (en) | Aerial device with quick-coupling implement | |
| EP2396473B1 (en) | Lifting device for lifting a curb stone | |
| US7634890B2 (en) | Tower segment erection tool and method of erecting a tower segment | |
| CN102383720A (en) | Stair and cab | |
| CN108104482B (en) | Batter post installation method | |
| CN204626252U (en) | A kind of Bridge guardrail movable type assembling car nacelle device | |
| CN104631812A (en) | Safety lifting device for scaffold | |
| CN105271046A (en) | Inclined hoisting device with double-rod adjusting function | |
| CN205170222U (en) | A balanced hoist device for factory building top parapet | |
| RU2335452C2 (en) | Crane for loads lifting into window aperture, on recessed balconies and balconies of buildings being under construction or repair | |
| RU69049U1 (en) | CRANE FOR LIFTING AND DELIVERY OF GOODS TO A WINDOW OPENING, ON LOGGIA AND BALCONIES OF CONSTRUCTING AND REPAIRED BUILDINGS | |
| KR101262317B1 (en) | Apparatus for transferring system support | |
| US11365556B1 (en) | Systems and methods for supporting utility poles | |
| CN105347202A (en) | Balance hoisting device for powerhouse roof parapet wall | |
| KR20150053576A (en) | Salvager for multipurpose rescue | |
| CN203602284U (en) | Pulley bracket and rotary drilling rig | |
| CN210594884U (en) | Device capable of being matched with single crane to slide and hoist continuous wall reinforcement cage | |
| KR20180100850A (en) | Outrigger with slide preventing means | |
| CN206842966U (en) | A kind of hydraulic elevating platform safety stabilizing devices | |
| CN109989333A (en) | Fashioned iron trestle work structure and its installation method for concrete horizontal support | |
| CN109386124B (en) | Building construction scaffold connecting height adjusting connecting rod | |
| CN109264648A (en) | A kind of aerial working platform chassis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |
|
| WD01 | Invention patent application deemed withdrawn after publication |