CN214531844U

CN214531844U - Reliable-performance low-fault double-screw device for lifting scaffold

Info

Publication number: CN214531844U
Application number: CN202022597264.3U
Authority: CN
Inventors: 石曦
Original assignee: Guangdong Dingsheng Technology Co ltd
Current assignee: Guangdong Dingsheng Technology Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-10-29
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a reliable low twin-screw device for lift scaffold who breaks down of performance, including the scaffold frame, be equipped with buffer gear on the scaffold frame, buffer gear includes a pair of linkage plate, a pair of linkage plate threaded connection has the activity chamber in the linkage plate on the scaffold frame, activity intracavity sliding connection has the bracing piece, be connected with buffer spring between bracing piece and the linkage plate, be connected with the protection shield in buffer spring's the one side is kept away from to the bracing piece, be connected with the connecting piece between a pair of bracing piece, be connected with the promotion stopper on the connecting piece, be connected with anti-destruction mechanism on the promotion stopper, it has slip chamber and a pair of block groove to excavate in the protection shield. The utility model discloses a corresponding mechanism's setting on the lifting foot hand rack, the thing that falls to the high altitude appears when having reduced the construction is to the destruction of propping, has improved the stability of support, has reduced the possibility that the propping received the impact force disconnection, has protected the stable in structure and constructor's safety of propping to a certain extent.

Description

Reliable-performance low-fault double-screw device for lifting scaffold

Technical Field

The utility model belongs to lifting foot hand rack art field, concretely relates to reliable-performance low-fault double-screw device for lifting foot rack.

Background

At present, the wall-attached support is popularized in the building climbing frame industry as a double-screw device according to the requirements of relevant specifications, the stress level of a diagonal draw bar and the vertical oblique angle and track type arrangement of the diagonal draw bar are realized, and the wall-attached support comprises a double-screw hole base, a supporting support, an anti-falling pull block, a pin shaft, an anti-falling single guide wheel seat and other mechanisms, plays a role in preventing falling and supporting, reduces high-altitude falling accidents, improves the high-altitude construction working environment, improves the building construction mechanization level, and improves the energy-saving emission-reducing green civilized construction level.

The double-screw device for the existing lifting scaffold is used, a support and a hanging piece are connected through a supporting top support to prevent falling, the situation of falling objects from the high altitude can occur during construction, if the weight and the volume of the falling objects are heavier and larger, the supporting top support can be damaged to a certain degree, the supporting top support and the support are disconnected, the support cannot continue to support the hanging piece, the hanging piece falls, and great potential safety hazards are brought to constructors who work high altitude.

Therefore, in view of the above technical problems, there is a need for a twin-screw device for a lifting scaffold, which is reliable in performance and low in failure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reliable-performance low-fault's twin-screw device for lifting scaffold to when solving the above-mentioned circumstances that falls the thing in the high altitude in the construction, cause certain destruction to a shore easily, cause a shore to prop and can't continue to use, lead to the problem that the pendant is tenesmic.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the utility model provides a reliable low for trouble twin-screw device of lift scaffold of performance, includes the scaffold frame, be equipped with buffer gear on the scaffold frame, buffer gear includes a pair of linkage plate, and is a pair of linkage plate threaded connection is on the scaffold frame, it has movable chamber to excavate in the linkage plate, activity intracavity sliding connection has the bracing piece, be connected with buffer spring between bracing piece and the linkage plate, buffer spring's one side is kept away from to the bracing piece is connected with the protection shield, and is a pair of be connected with the connecting piece between the bracing piece, be connected with the promotion stopper, be connected with anti-destruction mechanism on the promotion stopper.

Furthermore, a sliding cavity and a pair of clamping grooves are formed in the protection plate in a chiseling mode, and the damage-proof mechanism is convenient to place.

Further, prevent that destruction mechanism includes the shrink board, the slip intracavity is located to the shrink board, be connected with a pair of telescopic link between shrink board and the protection shield, the telescopic link overcoat is equipped with the propelling movement spring, utilizes the propelling movement spring to hold the shrink board, makes the shrink board pop out, increases the holding power of shrink board simultaneously, makes the shrink board be difficult for breaking away from and breaking away from with the protection shield when receiving great impact force.

Furthermore, the clamping groove is connected with a clamping piece in a sliding mode, a return spring is connected between the clamping piece and the protection plate, a jack matched with the clamping piece is arranged on the contraction plate in a chiseled mode, the contraction plate can be ejected out by releasing clamping of the contraction plate, and the scaffold is protected timely.

Further, a pair of air bags are arranged in the clamping groove and are connected with flow dividing pipes, an inflator is arranged on one side, away from the air bags, of the flow dividing pipes, a rubber hose is connected between the flow dividing pipes and the inflator, the rubber hose extracts air in the air bags by pressing down the protection plates, the clamping pieces are enabled not to be extruded by the clamping pieces and to be rapidly retracted, and the reset springs are driven to reset together.

Further, the one side that propelling movement spring was kept away from to the shrink board is the arcwall face, the arcwall face upper berth has the rubber strip, reduces the impact force of shrink board when popping out fast and makes the condition that the pendant produced the skew, has all played certain guard action to shrink board and scaffold frame.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a corresponding mechanism's setting on the lifting foot hand rack, the thing that falls to the high altitude appears when having reduced the construction is to the destruction of propping, has improved the stability of support, has reduced the possibility that the propping received the impact force disconnection, has protected the stable in structure and constructor's safety of propping to a certain extent.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a reliable and low-failure twin-screw device for a lifting scaffold according to an embodiment of the present invention;

fig. 2 is a side sectional view of a reliable and low-failure twin-screw device for a lifting scaffold according to an embodiment of the present invention;

fig. 3 is a top sectional view of a reliable and low-failure twin-screw device for a lifting scaffold according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a position a in fig. 3 according to an embodiment of the present invention.

In the figure: 1. the scaffold comprises a scaffold, 2 parts of a buffer mechanism, 201 parts of an engaging plate, 202 parts of a support rod, 203 parts of a protection plate, 204 parts of a buffer spring, 205 parts of a connecting piece, 206 parts of a pushing plug, 3 parts of a damage prevention mechanism, 301 parts of a contraction plate, 302 parts of a pushing spring, 303 parts of a telescopic rod, 304 parts of a return spring, 305 parts of a clamping piece, 306 parts of an air bag, 307 parts of a shunt pipe, 308 parts of an air cylinder and 309 parts of a rubber hose.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

The utility model discloses a reliable performance low-fault twin-screw device for lifting scaffold, refer to fig. 1-4, including scaffold 1, scaffold 1 is equipped with buffer gear 2, play certain protection to the upper portion of scaffold 1, reduce the damage to scaffold 1 because of the dropping of some articles in the construction process, buffer gear 2 includes a pair of linkage plate 201, a pair of linkage plate 201 threaded connection is on scaffold 1, increase the joint strength of buffer gear 2, make buffer gear 2 difficult for taking place the condition of disconnection with scaffold 1 after receiving the impact, the activity chamber has been dug in linkage plate 201, sliding connection has bracing piece 202 in the activity chamber, be connected with buffer spring 204 between bracing piece 202 and linkage plate 201, be connected with protection shield 203 on the one side of bracing piece 202 far away from buffer spring 204, provide certain cushioning to the impact force that receives on protection shield 203, reduce buffer gear 2 and receive the direct cracked possibility of impact emergence, carry out effectual protection to scaffold 1 simultaneously, it has sliding chamber and a pair of block groove to open in the protection shield 203, makes things convenient for the laying of anti-damage mechanism 3.

The connecting piece 205 is connected between the pair of support rods 202, so that the supporting force and stability of the support rods 202 are improved, the pair of support rods 202 move relatively synchronously, the pushing plug 206 is connected to the connecting piece 205, the anti-damage mechanism 3 is connected to the pushing plug 206, and the pushing plug 206 extrudes and extracts the air cylinder 308 by using the vertical movement of the support rods 202 as power for triggering the anti-damage mechanism 3.

Referring to fig. 2 to 4, the damage prevention mechanism 3 includes a contraction plate 301, the contraction plate 301 is disposed in the sliding cavity, a pair of expansion rods 303 is connected between the contraction plate 301 and the protection plate 203, a push spring 302 is sleeved outside the expansion rods 303, and the contraction plate 301 is pulled by the push spring 302, so that the contraction plate 301 can be ejected, and meanwhile, the supporting force of the contraction plate 301 is increased, so that the contraction plate 301 is not easily separated from and disconnected from the protection plate 203 when receiving a large impact force.

Referring to fig. 3-4, an engaging member 305 is slidably connected in the engaging groove, a return spring 304 is connected between the engaging member 305 and the protection plate 203, an insertion hole matched with the engaging member 305 is drilled on the contraction plate 301, the engaging member 305 is squeezed by releasing the engagement of the contraction plate 301, the contraction plate 301 is engaged in the protection plate 203 through the engaging member 305, the contraction plate 301 can be popped out to timely protect the scaffold 1, a pair of air bags 306 are arranged in the engaging groove, a shunt tube 307 is connected to the pair of air bags 306, an air cylinder 308 is arranged on one side of the shunt tube 307 away from the air bags 306, a rubber hose 309 is connected between the shunt tube 307 and the air cylinder 308, and air in the air bags 306 is extracted by pressing down the protection plate 203, so that the engaging member 305 is rapidly retracted without being squeezed by the air bags 306, and the return spring 304 is driven to return together.

Specifically, the one side that propelling movement spring 302 was kept away from to shrink board 301 is the arcwall face, and the arcwall face upper strata has attached the rubber strip, reduces the circumstances that shrink board 301 impact force when popping out fast made the suspender member produce the skew, has all played certain guard action to shrink board 301 and scaffold frame 1, and reset spring 304's elasticity is greater than propelling movement spring 302's elasticity, can make the stable block of shrink board 301 in protection plate 203, makes shrink board 301 difficult for popping out.

When the scaffold is used specifically, a user connects the buffer mechanism 2 to the scaffold 1, when falling objects, weights fall on the protection plate 203, the buffer force is buffered through the support rod 202 and the buffer spring 204, meanwhile, the support rod 202 descends to drive the connecting piece 205 to push the pushing plug 206 to move downwards, air in the air cylinder 308 is extracted, air in the air bag 306 is extracted, the extrusion force of the clamping piece 305 which lacks the air cylinder 308 can reset along with the pulling force of the reset spring 304, the clamping piece 305 is pulled out of the contraction plate 301, the contraction plate 301 is popped out of the protection plate 203, and the part between the hangers of the scaffold 1 is protected.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A double-screw device for a lifting scaffold with reliable performance and low failure comprises a scaffold (1), characterized in that the scaffold (1) is provided with a buffer mechanism (2), the buffer mechanism (2) comprises a pair of connection plates (201), the connection plates (201) are connected on the scaffold (1) in a threaded manner, a movable cavity is drilled in the connecting plate (201), a support rod (202) is connected in the movable cavity in a sliding way, a buffer spring (204) is connected between the supporting rod (202) and the connecting plate (201), one surface of the support rod (202) far away from the buffer spring (204) is connected with a protective plate (203), a connecting piece (205) is connected between a pair of the support rods (202), the connecting piece (205) is connected with a pushing plug (206), and the pushing plug (206) is connected with an anti-damage mechanism (3).

2. A reliable and low failure twin screw device for lifting scaffold as claimed in claim 1, characterized in that the protection plate (203) has a sliding cavity and a pair of engaging grooves cut therein.

3. The twin-screw device for the lifting scaffold with reliable performance and low failure as claimed in claim 2, wherein the anti-damage mechanism (3) comprises a contraction plate (301), the contraction plate (301) is arranged in a sliding cavity, a pair of telescopic rods (303) are connected between the contraction plate (301) and the protection plate (203), and a pushing spring (302) is sleeved outside the telescopic rods (303).

4. The twin-screw device for the lifting scaffold with reliable performance and low failure as claimed in claim 3, characterized in that an engaging piece (305) is connected in the engaging groove in a sliding way, a return spring (304) is connected between the engaging piece (305) and the protection plate (203), and the shrinkage plate (301) is provided with a jack matched with the engaging piece (305) in a chiseled way.

5. The twin-screw device for the lifting scaffold with reliable performance and low failure as claimed in claim 2, wherein a pair of air bags (306) is arranged in the clamping groove, a shunt tube (307) is connected to the pair of air bags (306), an air cylinder (308) is arranged on one side of the shunt tube (307) far away from the air bags (306), and a rubber hose (309) is connected between the shunt tube (307) and the air cylinder (308).

6. A reliable and low failure twin-screw device for lifting scaffold according to claim 3 characterized in that the side of the shrink plate (301) away from the pushing spring (302) is an arc surface with rubber strips attached.