CN220414788U - Improved portable door type scaffold - Google Patents

Abstract

The utility model discloses an improved portable portal scaffold, wherein a cross beam is fixedly connected to the upper part of the portal scaffold, a telescopic guardrail is connected between the two upright posts at the upper part of the cross beam, a guardrail limiting device is arranged on the upright posts, fixed supporting legs for controlling and positioning by springs are arranged at the lower parts of the two upright posts, rollers are arranged at the lower ends of the upright posts to form a portal device, connecting rods are connected to the upper ends of the two upright posts corresponding to the two portal device, upper hanging lugs and lower hanging lugs are arranged on the inner side surfaces of the two upright posts, hooks arranged at the outer ends of supporting rods of hinged scissors are connected with the upper hanging lugs and the lower hanging lugs in a matched manner, and an operation platform with hanging hooks at two ends is connected to the cross beam of the portal device through hanging hooks. The utility model has reasonable structure, solves the problem that the scaffold is difficult to horizontally fix on uneven ground in the prior art, and is easy to incline or side-turn due to the unevenness of the ground, thereby improving the working efficiency and the construction safety.

Description

Improved portable door type scaffold

Technical Field

The utility model belongs to improvement of a door type scaffold structure for building construction, and particularly relates to an improved portable door type scaffold.

Background

Scaffold refers to various supports erected at construction sites for workers to operate and to address vertical and horizontal transport. The general term of the building world refers to places on the building site where external walls, interior decorations or high floors cannot be directly constructed. The scaffold is mainly made of the following materials, such as a constructor is dry, movable up and down or a peripheral safety net enclosure, a high-altitude installation member and the like: bamboo, wood, steel pipe, or synthetic material, etc.

Traditional scaffold has the function of convenient to detach and installation in the in-process of implementing, but is difficult to carry out the level fixedly to the scaffold on uneven subaerial, and during the staff construction on the scaffold, because the unevenness of ground itself leads to the scaffold to take place slope or turn on one's side easily.

Disclosure of Invention

The utility model aims to provide an improved portable door type scaffold which is reasonable in structure, can solve the problem that the scaffold is difficult to horizontally fix on uneven ground in the prior art, and is easy to incline or roll over due to the unevenness of the ground, so that the working efficiency is improved, and the construction safety is improved.

The purpose of the utility model is realized in the following way: an improved portable portal scaffold is composed of a cross beam fixed to the upper part between two vertical columns, telescopic guard bars between two vertical columns, limiting unit for guard bars, fixed legs for controlling the position of springs, rollers for forming portal frame, connecting rods, upper and lower lugs, and the working platform with hooks for hanging hooks, four longitudinal through grooves are respectively arranged on four columns at the lower end of the upright post, the four longitudinal through grooves are respectively communicated with the blind holes, sliding columns are movably matched and arranged in the blind holes, rollers are arranged at the lower ends of the sliding columns extending out of the lower end surfaces of the upright posts through wheel brackets, square supporting blocks are fixedly connected on the sliding columns of the hollow chambers of the upright posts positioned in the longitudinal through grooves, the upper ends of compression springs arranged on the sliding columns positioned above the square supporting blocks are matched with the lower end surfaces of the blind holes at the upper parts, the lower ends of the compression springs are matched with the top surfaces of the blind holes at the upper parts, the lower parts of four vertical surfaces of the square supporting blocks are respectively provided with fixing legs extending out of the longitudinal through grooves and bending downwards, conical frustum-shaped supporting legs are respectively arranged at the lower ends of the fixing legs, regulating jacks uniformly distributed longitudinally are arranged at the upper parts of the longitudinal through grooves at the outer sides of the upright posts, the vertical face of the square supporting block corresponding to the longitudinal through groove on the outer side face of the upright post is provided with a plugging tube corresponding to the adjusting jack, and two plugging posts of the U-shaped adjusting handle are respectively matched with the plugging tube and the corresponding adjusting jack.

The utility model comprises a working platform, two connecting rods are arranged above the working platform, two ends of the two connecting rods are respectively provided with an upright post which plays a role in supporting and stabilizing the working platform, the connecting rods are spliced with the upright posts, when a worker stands on the working platform to work, the protection can be provided for the worker, the worker is prevented from falling off from the scaffold due to accidents such as foot slip, the safety of the device is improved, and the device can be disassembled after the device is used, so that the device is convenient to carry and assemble.

The lower extreme of stand all is provided with the fixed landing leg that plays the reinforcement effect, and the fixed landing leg is including seting up four vertical through grooves and the equidistant adjustment socket of arranging of circumference array in stand lower extreme outward surface.

The inside fixedly connected with slip post of vertical logical groove, the surface sliding connection of slip post has the supporting shoe, the last fixed surface of supporting shoe is connected with compression spring, compression spring keeps away from the one end of supporting shoe and the inner wall fixed connection of vertical logical groove, the surface fixedly connected with grafting pipe of supporting shoe, the internally mounted of grafting pipe has tension spring, can drag the effect of handle pulling to U type regulation, make U type regulation handle when not receiving external force, remain throughout and peg graft in the inside state of regulation socket, prevent to cause U type regulation handle to follow the inside roll-off of regulation socket because of reasons such as rocking that the staff caused on the scaffold work, finally lead to the scaffold to take place the emergence of the condition of turning on one's side or collapsing.

Two cross beams are respectively arranged at two ends of the operation platform, the two cross beams are respectively connected with hooks fixed at two ends of the operation platform in a hanging mode, one end, away from the supporting block, of the plug-in pipe is fixedly connected with a U-shaped adjusting handle, the U-shaped adjusting handle is matched with an adjusting socket, the outer surface of the supporting block is fixedly connected with four fixing legs, the four fixing legs are respectively located in four longitudinal through grooves, an installer can automatically adjust the plug-in position of the U-shaped adjusting handle and the adjusting socket according to the flatness of the ground, the purpose of fixedly mounting a scaffold on the uneven ground is achieved, the bottoms of the fixing legs are in a semicircle shape, the contact area between the fixing legs and the ground can be effectively increased, and therefore stability of the device is enhanced, and more safety guarantees are provided for operation of the operator on the scaffold.

The cross beam provides stability and support for the work platform. Two cross hinged scissors supports are arranged between the two upright posts, and the scissors supports are hung on hanging lugs arranged on the surfaces of the upright posts, so that the device can be stabilized and supported.

The stand passes through crossbeam and stand fixed connection respectively, and the gyro wheel is all installed to the lower extreme of every stand, makes whole scaffold device movable.

The surface of every stand all fixedly connected with cat ladder, the upper end of cat ladder and the surface fixed connection of crossbeam, the staff can climb on the operation platform through the cat ladder. The method provides convenience for the staff, reduces the workload required by the staff to reach the operation platform from the ground, and improves the working efficiency.

The storage groove is formed in the upright post, the upper folding rod and the lower folding rod are arranged outside the storage groove, the upper folding rod and the lower folding rod are hinged through a pin shaft, and the upper folding rod and the lower folding rod can be contracted in the storage groove.

One end of the upper folding rod and one end of the lower folding rod are hinged in the storage groove, one end, far away from the storage groove, of the upper folding rod and one end, far away from the storage groove, of the lower folding rod are fixedly connected with hooks, the outer surface of each upright post is fixedly connected with a connecting lug which is connected with the hooks in a hanging mode, and the hooks play a fixing role on the upper folding rod and the lower folding rod. When the staff stands on the operation platform and prepares to start the operation, will rotate the gag lever post earlier and open from the fixed column, will go up folding rod and lower folding rod and spread from accomodating the groove, then will the catch hook on stand surface fixed connection's engaging lug to realize going up folding rod and lower folding rod's fixed, folding can effectually provide the guarantee for the safety of operating personnel, prevent that the operating personnel in the work from falling down from the scaffold frame because of the emergence of unexpected accidents such as foot slip, improved the security of this device.

The outer surface of each upright post is fixedly connected with a support, the outer surface of the support is fixedly connected with a supporting shaft, the outer surface of the supporting shaft is rotationally connected with a limiting rod, one end of the supporting shaft away from the support is fixedly connected with a baffle, the outer surface of each upright post is fixedly connected with a fixing post, and the baffle prevents the limiting rod from sliding off the supporting shaft. The material of fixed column is metal iron's alloy, rotates the draw-in interface department surface mounting of gag lever post adaptation in the fixed column and has the one deck magnet thin slice, can play the adsorption efficiency to the fixed column, prevent to rotate the gag lever post under the state with the fixed column joint, because of vibrations or the reason of slope when carrying, with the fixed column disconnection, cause folding to drop from accomodating the groove, avoid folding the unexpected emergence of dropping and influence transport speed or accidentally injuring staff etc..

The upper surface fixedly connected with extension spring of supporting shoe, the one end that the extension spring kept away from the supporting shoe and the inner wall fixed connection of vertical logical groove, the surface fixedly connected with grafting pipe of supporting shoe, the one end fixedly connected with U type that the supporting shoe was kept away from to grafting pipe is adjusted the handle, and U type is adjusted the handle and is adjusted socket looks adaptation, and U type is adjusted the handle and is adjusted the height of fixed landing leg through the regulation socket of grafting at different co-altitude.

Working principle: when installing the scaffold, the staff draws out the U type and adjusts the handle, inserts U type adjusting handle in the position of the regulation socket of selecting the required grafting by oneself according to the planarization on ground, and the fixed leg also slides on the slip post thereupon under the drive of supporting shoe this moment to adjust scaffold installation's height, avoid the emergence of unexpected accidents such as scaffold slope or side turning that the unevenness of ground itself leads to, increased the security of device, provided more safety guarantee for the staff.

Advantageous effects

1. According to the utility model, through the arrangement of the operation platform, the upright posts, the fixed support legs and the cross beams, an installer can automatically adjust the inserting position of the U-shaped adjusting handle and the adjusting socket according to the flatness of the ground, so that the aim of fixedly installing the scaffold on the rugged ground is fulfilled, the bottoms of the fixed support legs are in a semicircle shape, the contact area between the fixed support legs and the ground can be effectively increased, the stability of the device is enhanced, and more safety guarantee is provided for the operation of the operator on the scaffold.

2. Through accomodating the groove, go up folding bar, lower folding bar, couple, gag lever post and fixed column's setting, when the staff stands and prepares to begin the operation on operating platform, open the gag lever post from the fixed column earlier, extend last folding bar and lower folding bar from accomodating the groove, then with the couple on stand surface fixed connection's engaging lug, thereby realize the fixed to last folding bar and lower folding bar, the folding can effectually provide the guarantee for the safety of operating personnel, the operating personnel who prevents in the work falls down from the scaffold because of the emergence of unexpected accidents such as foot slip, the security of this device has been improved.

The utility model has reasonable structure, solves the problem that the scaffold is difficult to horizontally fix on uneven ground in the prior art, and is easy to incline or side-turn due to the unevenness of the ground, thereby improving the working efficiency and the construction safety.

Drawings

The present utility model will be further described with reference to the accompanying drawings, in which fig. 1 is a schematic perspective view of the present utility model, fig. 2 is a schematic perspective view of a telescopic guardrail, fig. 3 is a schematic perspective view of a guardrail protection device, and fig. 4 is a schematic partially sectional perspective view of a fixed leg for spring-controlled positioning.

Detailed Description

An improved portable door type scaffold is shown in figures 1, 2, 3 and 4, wherein a cross beam 2 is fixedly connected at the upper part between two upright posts 1, a telescopic guardrail 3 is connected between the two upright posts 1 at the upper part of the cross beam 2, a guardrail limiting device is arranged on the upright posts 1, fixed supporting legs for controlling and positioning by springs are arranged at the lower parts of the two upright posts 1, a roller 14 is arranged at the lower ends of the upright posts 1 to form a portal frame device, connecting rods 4 are respectively connected at the upper ends between the two upright posts 1 corresponding to the two portal frame devices, corresponding upper hanging lugs 5 and lower hanging lugs 6 are respectively arranged on the inner side surfaces of the two upright posts 1, a hook 7 arranged at the outer ends of a supporting rod of a hinged scissor support 8 is respectively matched and connected with the upper hanging lugs 5 and the lower hanging lugs 6, an operation platform 9 with hanging hooks 10 is respectively arranged at two ends and is connected with the cross beam 2 of the portal frame device through hanging hooks 10, the structure of the fixed support leg for spring control positioning is that a blind hole with an opening at the lower end is arranged at the lower end of a square upright post 1 along the central line of the upright post, longitudinal through grooves 11 are respectively arranged on four side posts at the lower end of the upright post 1, four longitudinal through grooves 11 are respectively communicated with the blind holes, a sliding post 28 is movably matched and arranged in the blind hole, a roller 14 is arranged at the lower end of the sliding post 28 extending out of the lower end surface of the upright post 1 through a wheel bracket, a square supporting block 29 is fixedly connected on the sliding post 28 of a hollow cavity of the upright post positioned in the longitudinal through groove 11, the upper end of a compression spring 30 arranged on the sliding post 28 positioned above the square supporting block 29 is matched with the lower end surface of the blind hole at the upper part, the lower end is matched with the top surface of the square supporting block 29, the lower parts of four vertical faces of the square supporting block 29 are respectively provided with the longitudinal through grooves 11 extending out, and the fixed leg 12 is bent downwards, the lower ends of the fixed legs 12 are respectively provided with a truncated cone-shaped supporting leg 33, the upper parts of the longitudinal through grooves 11 on the outer side surfaces of the upright posts 1 are provided with adjusting jacks 31 which are longitudinally and uniformly distributed, the vertical surfaces of the square supporting blocks 29 corresponding to the longitudinal through grooves 11 on the side surfaces of the upright posts are provided with inserting pipes 32 corresponding to the adjusting jacks 31, and two inserting posts of the U-shaped adjusting handles 13 are respectively matched with the inserting pipes 32 and the corresponding adjusting jacks 31. Two ends of the connecting rod 4 are respectively matched with jacks arranged at the upper ends of the inner side surfaces of the two upright posts 1 corresponding to the two portal frame devices. The structure of the telescopic guardrail 3 is that an upper folding rod 16 and a lower folding rod 17 which are uniformly and uniformly hinged together in an X shape are hinged together through adjacent connection points, an upper connecting rod 18 hinged with the lower end of the upper folding rod 16 and the upper end of the lower folding rod 17 at the inner end of the telescopic guardrail 3 is respectively hinged with the inner end of a groove wall of a containing groove 15 arranged at the upper end of a rear upright post of a portal device, the other end of a lower connecting rod 19 hinged with the lower end of the lower folding rod 17 at the outer end of the telescopic guardrail 3 is hinged with a vertical connecting rod 20, the other end of the vertical connecting rod 20 is hinged with the upper end of the upper folding rod 16, and an upper hook and a lower hook arranged on the vertical connecting rod 20 are respectively matched with a connecting lug 21 arranged on the front upright post of the portal device. The guardrail limiting device is characterized in that a support 23 is arranged on the outer wall of one side of the storage groove 15, a horizontal supporting shaft 24 with a baffle 25 at the outer end is arranged on the support 23, one end is provided with a shaft hole, the other end is provided with a limiting rod 22 with a clamping groove 27, a magnet is arranged at the clamping groove 27 of the limiting rod, the shaft hole of the limiting rod 22 is matched with the horizontal supporting shaft 24, when the telescopic guardrail 3 is stretched and limited, the limiting rod 22 is flatly pressed on the upper connecting rod 18 of the telescopic guardrail, the clamping groove 27 at the other end of the limiting rod 22 is matched with a fixed column 26 arranged on the top surface of the groove wall at the other side of the storage groove 15, and the clamping groove 27 with the magnet of the limiting rod is clamped on the fixed column 26 in an adsorption mode, so that the telescopic guardrail is not easy to disengage.

Claims (4)

1. An improved portable door type scaffold is characterized in that: the upper part between two upright posts (1) is fixedly connected with a cross beam (2), a telescopic guardrail (3) is connected between the two upright posts (1) at the upper part of the cross beam (2) and a guardrail limiting device is arranged on the upright posts (1), fixed supporting legs for controlling and positioning by springs are arranged at the lower parts of the two upright posts (1), idler wheels (14) are arranged at the lower ends of the upright posts (1) to form a portal device, connecting rods (4) are respectively connected at the upper ends between the two upright posts (1) corresponding to the two portal device, corresponding upper hanging lugs (5) and lower hanging lugs (6) are respectively arranged on the inner side surfaces of the two upright posts (1), hooks (7) arranged at the outer ends of the supporting rods of hinged scissors braces (8) are respectively matched and connected with the upper hanging lugs (5) and the lower hanging lugs (6), working platforms (9) with two ends provided with hanging hooks (10) are respectively connected to the cross beam (2) of the portal device by the hanging hooks (10), the fixed supporting legs for controlling and positioning by springs are respectively provided with blind holes (11) along the lower ends of the upright posts (1) which are respectively arranged at the lower ends of the upright posts, the four upright posts (1) which are respectively connected with blind holes (11) along the longitudinal direction, the longitudinal through blind holes (11) are respectively arranged at the lower ends of the four upright posts (11), the lower end of a sliding column (28) extending out of the lower end surface of a vertical column (1) is provided with a roller (14) through a wheel bracket, a square supporting block (29) is fixedly connected on the sliding column (28) of a vertical column hollow cavity in a longitudinal through groove (11), the upper end of a compression spring (30) arranged on the sliding column (28) above the square supporting block (29) is matched with the lower end surface of an upper blind hole, the lower end is matched with the top surface of the square supporting block (29), the lower parts of four vertical surfaces of the square supporting block (29) are respectively provided with a protruding longitudinal through groove (11), fixing legs (12) bending downwards, conical frustum-shaped supporting legs (33) are respectively arranged at the lower ends of the fixing legs (12), adjusting jacks (31) which are longitudinally uniformly distributed are arranged at the upper parts of the longitudinal through grooves (11) of the outer side surfaces of the vertical column (1), plug-in tubes (32) corresponding to the adjusting jacks (31) are arranged on the vertical surfaces of the square supporting block (29) corresponding to the longitudinal through groove (11) of the outer side surfaces of the vertical column (1), and the U-shaped adjusting handles (13) are respectively matched with the plug-in tubes (32).

2. An improved portable portal scaffolding as claimed in claim 1 wherein: two ends of the connecting rod (4) are respectively matched with jacks arranged at the upper ends of the inner side surfaces of the two upright posts (1) corresponding to the two portal devices.

3. An improved portable portal scaffolding as claimed in claim 1 wherein: the structure of the telescopic guardrail (3) is that an upper folding rod (16) and a lower folding rod (17) which are uniformly hinged together in an X shape are hinged together through adjacent connection points, the lower end of the upper folding rod (16) at the inner end of the telescopic guardrail (3) and the upper end of the lower folding rod (17) are hinged with the inner end of a groove wall of a containing groove (15) arranged at the upper end of a rear upright post of a door frame device respectively, the other end of a lower connecting rod (19) hinged with the lower end of the lower folding rod (17) at the outer end of the telescopic guardrail (3) is hinged with a vertical connecting rod (20), the other end of the vertical connecting rod (20) is hinged with the upper end of the upper folding rod (16), and an upper hook and a lower hook arranged on the vertical connecting rod (20) are respectively matched with a connecting lug (21) arranged on the front upright post of the door frame device.

4. An improved portable portal scaffolding according to claim 1 or 3, characterized in that: the guardrail limiting device is characterized in that a support (23) is arranged on the outer wall of one side of a storage groove (15), a horizontal supporting shaft (24) with a baffle plate (25) at the outer end is arranged on the support (23), one end is provided with a shaft hole, the other end is provided with a limiting rod (22) with a clamping groove (27), a magnet is arranged at the clamping groove (27) of the limiting rod, the shaft hole of the limiting rod (22) is matched with the horizontal supporting shaft (24), when the telescopic guardrail (3) is stretched and limited, the limiting rod (22) is flatly pressed on an upper connecting rod (18) of the telescopic guardrail, the clamping groove (27) at the other end of the limiting rod (22) is matched with a fixed column (26) arranged on the top surface of the groove wall of the other side of the storage groove (15), and the clamping groove (27) with the magnet is clamped on the fixed column (26) in an adsorption mode, so that the guardrail is not easy to be separated.