CN110700558B

CN110700558B - Prevent side slope construction scaffolding

Info

Publication number: CN110700558B
Application number: CN201911045039.4A
Authority: CN
Inventors: 王和平; 丁小建; 宗青; 虞小芳; 景俊进
Original assignee: Hunan Senbao Construction Co ltd
Current assignee: Hunan Senbao Construction Co.,Ltd.
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2021-03-19
Anticipated expiration: 2039-10-30
Also published as: CN110700558A

Abstract

The invention relates to an anti-side-tipping building scaffold, which aims to solve the problem that the existing scaffold cannot effectively prevent and relieve side tipping caused by external force impact and comprises a base and a platform, wherein the base is supported and connected with the platform through a plurality of telescopic rods; the first frame comprises four upright first vertical rods distributed in a quadrilateral manner above the base, the lower ends of the first vertical rods are hinged with the base in a universal manner, and any two adjacent first vertical rods are hinged through the first vertical rods; the second frame comprises four second vertical rods which are coaxially corresponding to the first vertical rods one by one, the lower ends of the second vertical rods are universally hinged with the upper ends of the first vertical rods, the upper ends of the second vertical rods are universally hinged with the platform, and any two adjacent second vertical rods are hinged through second straight rods; the telescopic rod is characterized by further comprising a supporting mechanism corresponding to the telescopic rod.

Description

Prevent side slope construction scaffolding

Technical Field

The invention relates to a scaffold, in particular to a building scaffold capable of preventing side inclination.

Background

In the existing building construction, most of scaffolds are formed by temporarily binding and building steel pipes or wood, the temporarily built scaffolds have a plurality of potential safety hazards, once the scaffolds are not firmly bound or impacted by external force, the scaffolds easily tilt or collapse in a large area, and damage is brought to nearby personnel, buildings and the like, and because the scaffolds are temporarily built manually, effective protection measures cannot be taken for preventing and controlling the scaffold from tilting or tipping; in addition, some assembled or finished scaffolds exist, and compared with temporary construction, the scaffold has good stability and does not cause collapse accidents due to infirm bundling, but the structure of the scaffold is a rigidly connected whole and cannot have an effect on the problem of side inclination when being impacted by external force, vehicles on a building site frequently enter and exit, materials are numerous and need to be distributed and transmitted continuously, and collision of scaffolds is inevitable, so that the potential danger needs to be effectively prevented and coped with.

Disclosure of Invention

In order to overcome the technical defects in the prior art, the invention provides a building scaffold capable of preventing side inclination, which aims to solve the problem that the existing scaffold cannot effectively prevent and relieve side inclination caused by external force impact.

The technical scheme for solving the problem is as follows: the device comprises a horizontally arranged base and a horizontally arranged platform arranged above the base, wherein the base is in supporting connection with the platform through a plurality of telescopic rods; the first frame comprises four upright first vertical rods distributed in a quadrilateral manner on a horizontal plane above the base, the lower ends of the first vertical rods are hinged with the base in a universal manner, and any two adjacent first vertical rods are hinged through first straight rods parallel to the base to form four first parallelogram link mechanisms connected in pairs, so that the first frame can deform in two mutually perpendicular directions along the plane of the base, namely the horizontal plane; the second frame comprises four second vertical rods which are coaxially corresponding to the first vertical rods one by one, the lower ends of the second vertical rods are hinged with the upper ends of the first vertical rods in a universal manner, the upper ends of the second vertical rods are hinged with the platform in a universal manner, any two adjacent second vertical rods are hinged through second straight rods parallel to the base to form four second parallelogram link mechanisms which are connected in pairs, so that the second frame can deform in two mutually perpendicular directions along the plane of the base, namely the horizontal plane, and the first frame and the second frame have a linkage effect and can pull the platform to lift; the telescopic rod is characterized by further comprising a supporting mechanism corresponding to the telescopic rod.

The platform can not incline and stably descend when being impacted by external force, the gravity center position of the scaffold can be lowered, the impact of the external force is further resisted, workers can conveniently and safely escape from the platform, and the situations of falling and falling injuries of the workers or falling and smashing injuries of goods and materials and the like caused by side inclination are effectively avoided; meanwhile, the scaffold can be automatically reset, the scaffold is convenient to reuse, and under the matching action of the deformable frame and the telescopic rod, external force is effectively buffered and decomposed, so that the scaffold is prevented and damaged to a certain extent, and the maintenance cost is reduced.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a bottom view of the present invention.

3 fig. 3 4 3 is 3 a 3 cross 3- 3 sectional 3 view 3 a 3- 3 a 3 of 3 the 3 present 3 invention 3. 3

Fig. 5 is an isometric view of the present invention.

Fig. 6 is an axial cross-sectional view of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the present invention comprises a horizontally disposed base 1 and a horizontally disposed platform 2 disposed above the base 1, wherein the base 1 and the platform 2 are supported and connected by a plurality of telescopic rods 3, the base 1 is provided with a first frame 4 and a second frame 5 respectively disposed on the supports of the base 1 and the platform 2, and the second frame 5 is disposed above the first frame 4; the first frame 4 comprises four upright first vertical rods 401 which are distributed in a quadrilateral manner on a horizontal plane above the base 1, the lower ends of the first vertical rods 401 are hinged with the base 1 in a universal manner, and any two adjacent first vertical rods 401 are hinged through first straight rods 402 parallel to the base 1 to form four first parallelogram link mechanisms connected in pairs, so that the first frame 4 can deform along the plane of the base 1, namely the horizontal plane, in two mutually perpendicular directions; the second frame 5 comprises four second vertical rods 501 coaxially corresponding to the first vertical rods 401 one by one, the lower ends of the second vertical rods 501 are hinged with the upper ends of the first vertical rods 401 in a universal manner, the upper ends of the second vertical rods 501 are hinged with the platform 2 in a universal manner, any two adjacent second vertical rods 501 are hinged through second straight rods 502 parallel to the base 1 to form four second parallelogram link mechanisms connected in pairs, so that the second frame 5 can deform in two mutually perpendicular directions along the plane of the base 1, namely the horizontal plane, and the first frame 4 and the second frame 5 have a linkage effect, when the first frame 4 or the second frame 5 deforms, due to the supporting and guiding effects of the telescopic rods 3, the lower ends of the first frame 4 and the upper ends of the second frame 5 generate vertical relative displacement without generating horizontal relative displacement, and the ends of the first frame 4 hinged with the second frame 5 generate the same displacement, therefore, the second frame 5 or the first frame 4 generates corresponding deformation immediately, so that the platform 2 generates lifting; and the device also comprises a supporting mechanism corresponding to the telescopic rod 3.

Preferably, the telescopic rod 3 is provided with a bolt 6 which is in threaded connection with the sleeve of the telescopic rod 3 in the radial direction, and the bolt 6 is used as a locking mechanism for forcibly locking the telescopic rod 3 in case of emergency, such as failure of the supporting mechanism or damage of the first frame 4 and the first frame 5.

Preferably, the telescopic rod 3 is an elastic telescopic rod, and the elasticity of the telescopic rod 3 is utilized to provide enough supporting force for the platform 2 during normal use.

Preferably, the telescopic rod 3 is a hydraulic rod, the base 1 is provided with a plurality of piston cylinders 7 which are arranged below the base 1 and correspond to the telescopic rods 3 one by one, pistons 8 and springs 9 arranged on one sides of the pistons 8 are arranged in the piston cylinders 7, hydraulic oil filled on the other sides of the pistons 8 is filled in the piston cylinders 7, the telescopic rods 3 are communicated with the piston cylinders 7 on the other sides of the pistons 8 through pipelines 10, electromagnetic valves 11 are arranged on the pipelines 10, and the piston cylinders 7, the pistons 8, the springs 9, the

pipelines

10 and 11 form a supporting mechanism of the telescopic rods 3; the base 1 is provided with a plurality of upright guardrails 12 arranged above the base 1, the guardrails 12 are distributed along the edge of the base 1 and are hinged with the base 1, and the four guardrails 12 are arranged at the periphery of the four telescopic rods 3, so that the direct impact of external force on the telescopic rods 3 can be effectively prevented; the width of the guardrail 12 is smaller than the distance between two corresponding adjacent telescopic rods 3, so that the guardrail 12 is prevented from contacting and colliding with the telescopic rods 3 when rotating; the base 1 is provided with a plurality of angle sensors 13 which are in one-to-one correspondence with the guardrails 12, and the angle sensors 13 are connected with the electromagnetic valves 11 through a control circuit; when the guardrail 12 is impacted by external force and rotates towards the inner side of the base 1, the angle sensor 13 feeds back signals and controls the electromagnetic valves 11 to be opened simultaneously through the control circuit, so that the telescopic rods 3 are in a freely telescopic state simultaneously; when the guardrail 12 continues to rotate inwards to push the first frame 4 or the second frame 5 to deform so that the first vertical rod 401 and the corresponding second vertical rod 501 are not coaxial, the platform 2 losing the supporting force of the telescopic rods 3 descends under the action of the deformation pulling force generated by the first frame 4 and the second frame 5 and drives the telescopic rods 3 to synchronously retract, the piston 8 slides to one side of the spring 9 under the thrust of hydraulic oil and compresses the spring 9, so that the height of the platform 2 is automatically adjusted to reduce the center of gravity, and secondary injuries such as falling injuries caused by heeling or reduction of heeling are prevented; guardrail 12 be connected through torsional spring 14 with base 1, after external force disappeared, piston 8 backward slip under the spring action of spring 9 and through hydraulic oil promotion telescopic link 3 reset and stretch out, make platform 2 rise gradually, guardrail 12 resets rapidly to the upright state under the torsional force effect of torsional spring 14 simultaneously, angle sensor 13 feedback signal again and through control circuit control or time delay (wait that platform 2 rises to predetermined height in order to drive first frame 4 and second frame 5 and reset) control a plurality of solenoid valves 11 and close this moment, platform 2 position is locked and stable stillness.

Preferably, the telescopic rods 3 have four and become the quadrangle equipartition on the base 1, four telescopic rods 3 arrange in the periphery of first frame 4, telescopic rods 3 be the hydraulic stem, base 1 is last to have four piston barrels 7 of arranging base 1 below in and 3 one-to-one with the telescopic rods in, have piston 8 in the piston barrel 7 and arrange the spring 9 of piston 8 one side in, have the hydraulic oil that is full of piston 8 opposite side in the piston barrel 7, telescopic rods 3 and piston barrel 7 of piston 8 opposite side communicate through two pipelines 10 simultaneously: two connectors can be respectively arranged on the telescopic rod 3 and the piston cylinder 7 to be communicated in a one-to-one correspondence manner, or one connector can be respectively arranged on the telescopic rod 3 and the piston cylinder 7 to be communicated with each other by utilizing a three-way pipe 15; the two pipelines can effectively prevent the four telescopic rods 3 from being incapable of synchronously stretching and contracting to influence the lifting of the platform 2 when pipeline faults such as pipeline blockage, extrusion and the like occur; the pipeline 10 is provided with an electromagnetic valve 11, and the piston cylinder 7, the piston 8, the spring 9, the

pipelines

10 and 11 form a supporting mechanism of the telescopic rod 3; the four upright guardrails 12 are arranged above the base 1 on the base 1, the four guardrails 12 are distributed in a quadrilateral shape along the edge of the base 1 and are hinged with the base 1, and the four guardrails 12 are arranged at the periphery of the four telescopic rods 3, so that the direct impact of external force on the telescopic rods 3 can be effectively prevented; the width of the guardrail 12 is smaller than the distance between two corresponding adjacent telescopic rods 3, so that the guardrail 12 is prevented from contacting and colliding with the telescopic rods 3 when rotating; the base 1 is provided with a plurality of contact switches or travel switches which are in one-to-one correspondence with the guardrails 12, and the contact switches or the travel switches are connected with the electromagnetic valves 11 through control circuits; when the guardrail 12 is impacted by external force and rotates towards the inner side of the base 1, the contact switch or the travel switch is switched on to simultaneously open the plurality of electromagnetic valves 11, and the four telescopic rods 3 are in a freely telescopic state; when the guardrail 12 continues to rotate inwards to push the first frame 4 or the second frame 5 to deform so that the first vertical rod 401 and the corresponding second vertical rod 501 are not coaxial, the platform 2 losing the supporting force of the telescopic rods 3 descends under the action of the deformation pulling force generated by the first frame 4 and the second frame 5 and drives the four telescopic rods 3 to synchronously retract, the piston 8 slides to one side of the spring 9 under the thrust of hydraulic oil and compresses the spring 9, so that the height of the platform 2 is automatically adjusted to reduce the center of gravity, and secondary injuries such as falling injuries and the like caused by heeling are prevented or alleviated; guardrail 12 be connected through torsional spring 14 with base 1, after external force disappeared, piston 8 backward slip under the spring action of spring 9 and through hydraulic oil promotion telescopic link 3 reset and stretch out, make platform 2 rise gradually, guardrail 12 resets rapidly to upright state under the torsional force effect of torsional spring 14 simultaneously, and contact switch or travel switch open a circuit makes a plurality of solenoid valves 11 close or the time delay is closed this moment, platform 2 position is locked and stable static.

Preferably, the first vertical rod 401 is hinged to the base 1, the first vertical rod 401 is hinged to the second vertical rod 501, and the second vertical rod 501 is hinged to the platform 2 through a spherical shaft or a cross shaft, so that the position of a universal axis is stable, and the instability of the platform caused by the deviation of the axis is avoided.

Preferably, the platform 2 is provided with a counterweight 16 disposed below the platform 2 for increasing the inertia of the platform 2 so that the platform 2 itself can better resist horizontal external force and maintain the stability of the position.

Preferably, the platform 2 is provided with a fence 17 to prevent objects from falling off when the platform 2 shakes, thereby preventing damage to ground personnel, buildings and the like.

When the invention is used, the elasticity of the elastic telescopic rod is utilized to extend the telescopic rod 3 to push the platform 2 to ascend, or: the electromagnetic valve 11 is opened or a contact switch, a travel switch and the like are switched on to enable the telescopic rod 3 to be in a telescopic state, and the telescopic rod 3 is extended by the elasticity of the spring 9 to enable the platform 2 to ascend; in the process, the first frame 4 and the second frame 5 generate corresponding deformation, and when the first frame 4 and the second frame 5 are aligned up and down, that is, the first vertical rod 401 and the second vertical rod 501 coaxially correspond to each other, the platform 2 rises to the highest point; at this time, since there is no angle between the first vertical bar 401 and the second vertical bar 501, when there is no external force, the first vertical bar 401 and the second vertical bar 501 are at a stable dead point position to provide an auxiliary supporting force for the platform 2; under the elastic action of the elastic telescopic rod, the platform 2 is stable and static, or: closing solenoid valve 11 and blocking hydraulic pressure oil circuit and make 3 locking of telescopic link, then platform 2 is stable static, and staff and material etc. all can transport to carry out the construction operation on platform 2 this moment.

Under the condition of not adopting the guard bar 12, when an external force impacts the first frame 4 or the second frame 5, the first frame 4 and the second frame 5 generate linkage deformation and pull the platform 2 to descend, the telescopic rod 3 contracts, and meanwhile, because the static inertia of the platform 2 and the static inertia of the counterweight 16 are absorbed and decomposed by the first frame 4 and the second frame 5, the horizontal impact force transmitted to the platform 2 is weaker, so that the platform 2 can keep relatively stable in the horizontal direction and cannot swing to a larger extent, therefore, the platform 2 drives people and materials on the platform to descend stably without heeling; when the external force is eliminated, the telescopic rod 3 is reset and extended under the action of the elastic force of the telescopic rod and enables the platform 2 to ascend to the preset position again, and meanwhile, the first frame 4 and the second frame 5 are reset along with the reset.

Under the condition that the guardrail 12 is adopted, when external force impacts the guardrail first frame 4 or the guardrail second frame 5, the guardrail 12 blocks the external force to enable the guardrail 12 to rotate towards the inner side of the base 1, according to the given embodiment, the electromagnetic valve 11 is triggered to be opened by the rotation of the guardrail 12, the external force acts on the first frame 4 and the second frame 5 through the guardrail 12 to enable the first frame 4 and the second frame 5 to deform and pull the platform 2 to descend, and then the telescopic rod 3 contracts; after external force eliminated, the elasticity of spring 9 made platform 2 rise some distance or rise to former height and pull first frame 4 and second frame 5 and reset completely, and guardrail 12 resets simultaneously and rotates and make the solenoid valve close to with platform 2 position locking, personnel and goods and materials's safety on the guarantee platform 2.

The telescopic rod for supporting is adopted to be linked with the deformable frame and the platform, so that the platform cannot incline and stably descend when being impacted by external force, the gravity center position of the scaffold can be lowered, the impact of the external force is further resisted, workers can conveniently and safely escape from the platform, and the situations of falling and falling injuries of the workers or falling and smashing injuries of goods and materials and the like caused by side inclination are effectively avoided; after the external force impact is removed, the scaffold can automatically reset, is convenient to reuse, and can effectively buffer and decompose the external force under the matching action of the deformable frame and the telescopic rod, so that the scaffold can be prevented from being damaged to a certain extent, the maintenance cost is reduced, and a large amount of time and labor are saved for building construction.

Claims

1. The anti-side-inclination building scaffold comprises a base (1) and a platform (2), and is characterized in that the base (1) is connected with the platform (2) in a supporting mode through a plurality of telescopic rods (3), a first frame (4) and a second frame (5) which are respectively arranged on supports of the base (1) and the platform (2) are arranged on the base (1), and the second frame (5) is arranged above the first frame (4); the first frame (4) comprises four upright first vertical rods (401) which are distributed in a quadrilateral manner above the base (1), the lower ends of the first vertical rods (401) are hinged with the base (1) in a universal manner, and any two adjacent first vertical rods (401) are hinged through first straight rods (402); the second frame (5) comprises four second vertical rods (501) which are coaxially corresponding to the first vertical rods (401) one by one, the lower ends of the second vertical rods (501) are universally hinged with the upper ends of the first vertical rods (401), the upper ends of the second vertical rods (501) are universally hinged with the platform (2), and any two adjacent second vertical rods (501) are hinged through second straight rods (502); the supporting mechanism is corresponding to the telescopic rod 3;

the telescopic rod (3) is a hydraulic rod, a plurality of piston cylinders (7) which are arranged below the base (1) and correspond to the telescopic rod (3) one by one are arranged on the base (1), pistons (8) and springs (9) which are arranged on one sides of the pistons (8) are arranged in the piston cylinders (7), hydraulic oil which is filled on the other sides of the pistons (8) is filled in the piston cylinders (7), the telescopic rod (3) is communicated with the piston cylinders (7) on the other sides of the pistons (8) through pipelines (10), electromagnetic valves (11) are arranged on the pipelines (10), and the piston cylinders (7), the pistons (8), the springs (9), the pipelines (10) and the pipelines (11) form a supporting mechanism of the telescopic rod (3); the base (1) is provided with a plurality of upright guardrails (12) arranged above the base (1), the guardrails (12) are distributed along the edge of the base (1) and are hinged with the base (1), the base (1) is provided with a plurality of angle sensors (13) which are in one-to-one correspondence with the guardrails (12), and the angle sensors (13) are connected with the electromagnetic valve (11) through a control circuit; the guardrail (12) is connected with the base (1) through a torsion spring (14).

2. An anti-roll building scaffold according to claim 1, characterized in that the telescopic rods (3) are provided with bolts (6) which are screwed radially to the telescopic rods (3).

3. An anti-roll building scaffold according to claim 1, characterized in that the telescopic rods (3) are elastic telescopic rods.

4. The anti-roll building scaffold according to claim 1, characterized in that the number of the telescopic rods (3) is four and are distributed on the base (1) in a quadrilateral way, the four telescopic rods (3) are arranged at the periphery of the first frame (4), the telescopic rods (3) are hydraulic rods, four piston cylinders (7) which are arranged below the base (1) and correspond to the telescopic rods (3) one by one are arranged on the base (1), pistons (8) and springs (9) which are arranged on one sides of the pistons (8) are arranged in the piston cylinders (7), hydraulic oil which is full of the other sides of the pistons (8) is filled in the piston cylinders (7), the telescopic rod (3) is communicated with the piston cylinder (7) at the other side of the piston (8) through two pipelines (10), an electromagnetic valve (11) is arranged on the pipeline (10), the piston cylinder (7), the piston (8), the spring (9), and the pipelines (10) and (11) form a supporting mechanism of the telescopic rod (3); the four upright guardrails (12) are arranged above the base (1) on the base (1), and the four guardrails (12) are distributed in a quadrilateral shape along the edge of the base (1) and are hinged with the base (1); the base (1) is provided with a plurality of contact switches which are in one-to-one correspondence with the guardrails (12), and the contact switches are connected with the electromagnetic valves (11) through a control circuit; the guardrail (12) is connected with the base (1) through a torsion spring (14).

5. The anti-roll building scaffold according to claim 1, wherein the first vertical rod (401) is articulated with the base (1), the first vertical rod (401) is articulated with the second vertical rod (501), and the second vertical rod (501) is articulated with the platform (2) via a spherical shaft.

6. An anti-roll building scaffold according to claim 1, characterized in that the platform (2) is provided with a counterweight (16).

7. An anti-roll building scaffold according to claim 1, characterised in that the platform (2) is provided with a fence (17).