CN210976538U - A foldable scaffold - Google Patents

Abstract

The utility model relates to a folded cascade scaffold belongs to the technical field of building construction equipment, and it includes two sets of support piece that are parallel to each other and is used for supporting constructor's backup pad, support piece is including two support montants that are parallel to each other and fixed connection in two support the horizontal pole between the montant, the backup pad sets up to two and articulates respectively on supporting the horizontal pole, two rotate the connection between the backup pad, sliding connection has two sliding blocks on the support montant lateral wall, the bracing piece lateral wall is provided with the retaining member of locking sliding block, the sliding block articulates there is the support down tube, and is adjacent in two sets of support piece support down tube between the montant articulates in a bit, the pin joint be in vertical direction with same support two on the montant between the sliding block. The utility model discloses has following effect: the foldable scaffold can be folded to reduce the overall occupied volume.

Description

A foldable scaffold

technical field

The utility model relates to the technical field of construction equipment, in particular to a foldable scaffold.

Background technique

Scaffolding is a working platform set up to ensure the smooth progress of each construction process, and is a tool often used by construction workers when they perform aerial work. According to the erection position, it can be divided into outer scaffolding and inner scaffolding; according to different materials, it can be divided into wooden scaffolding, bamboo scaffolding, steel pipe scaffolding; Hanging scaffolding, pick-up scaffolding, climbing scaffolding.

The existing scaffolds are either erected on-site, and pre-installed scaffolds are generally used when working at low altitudes.

The above-mentioned prior art scheme has the following defects: when the existing scaffolding that has been erected is transported to the construction site, because the overall volume of the scaffolding is relatively large, the transportation is relatively inconvenient, and after the scaffolding is used, it is not very convenient to place and store.

Utility model content

The purpose of the utility model is to provide a foldable scaffold that can be folded to reduce the overall occupied volume.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A foldable scaffold, comprising two sets of mutually parallel support members and a support plate for supporting construction personnel, the support members comprising two mutually parallel support vertical rods and fixedly connected to the two support vertical rods There are two support bars between them, the support plates are arranged in two pieces and are respectively hinged on the support bars, the two support plates are rotatably connected, and two sliding blocks are slidably connected to the side walls of the support vertical bars. , the side wall of the supporting vertical rod is provided with a locking piece for locking the sliding block, the sliding block is hinged with a supporting inclined rod, and the supporting inclined rod between the adjacent supporting vertical rods in the two sets of supporting pieces is hinged to At one point, the hinge point is between the two sliding blocks on the same support vertical rod in the vertical direction.

By adopting the above technical solution, when the foldable scaffold needs to be transported or stored, two sets of supporting vertical rods are brought close to each other, the supporting vertical rods drive the supporting inclined rods to rotate along the hinge point, and the supporting inclined rods push the sliding blocks along the supporting vertical rods Sliding in the axial direction, the two support plates rotate close to each other until the two support plates abut each other, so that the overall volume of the foldable scaffold is reduced, which is convenient for transportation or storage. When the foldable scaffold needs to be used, the support The vertical rods are kept away from each other until the two support plates are on the same level, and the sliding block is locked by the locking piece, so that the supporting vertical rod cannot continue to move.

The utility model is further configured as follows: sliding rods protrude from the side walls of the support vertical rods, sliding grooves are opened on the two side walls facing the sliding rods, and the sliding blocks are engaged with the sliding rods to slide. Cooperate.

By adopting the above technical solution, the sliding block is slidably connected with the sliding rod by engaging with the sliding groove, and in this way, the sliding block is slidably connected on the supporting vertical rod, the structure is simple, the operation is convenient, and the sliding method is reliable in structure. Not easy to shift.

The utility model is further provided as follows: the locking piece includes two limit threaded holes arranged on the side wall of the sliding rod facing the sliding block, and the sliding block is provided with a limit through hole, when the two When the support plates are opened to the same surface, the limit screw holes are respectively opposite to the two limit through holes.

By adopting the above technical solution, when the foldable scaffold is moved to the construction position, the foldable scaffold is opened, the two supporting vertical rods are moved in the direction away from each other, and the two supporting plates are opened to the same surface. When the bolt is used to penetrate the limit through hole and connect it with the limit threaded hole, the sliding rod and the sliding block are locked and fixed, so that the sliding block cannot continue to move, so that the structure of the whole scaffold is stable.

The utility model is further configured as follows: the support plate includes a first support plate and a second support plate, two rotating plates protrude on both sides of one end of the first support plate close to the second support plate, and the rotating plate A rotating hole is opened on the plate, a rotating block protrudes from the second support plate between the two rotating plates, and two rotating rods protrude at both ends of the rotating block, and the two rotating rods respectively penetrate through the two rotating blocks. two of the rotating holes.

By adopting the above technical solution, through the rotating rod passing through the rotating hole, the rotating plate and the rotating block are rotatably connected, so that the first supporting plate and the second supporting plate are rotatably connected, and the first supporting plate and the second supporting plate are connected by the above arrangement. Rotating connection between the two, the structure is simple and the operation is convenient.

The utility model is further provided that: one end of the rotating rod away from the rotating block is fixedly connected with a limiting ring.

By adopting the above technical solution, and by setting the limit ring, it is beneficial to prevent the rotating rod from being disconnected from the rotating hole, and the whole structure is more stable.

The utility model is further provided that: the lower end of the support vertical rod is provided with a universal wheel, and the universal wheel is a self-locking universal wheel.

By adopting the above technical solution, when the foldable scaffold needs to be moved, the universal wheel is used for moving, and when moving to the construction position, the universal wheel is locked, and the operation is convenient.

The utility model is further configured as follows: a universal wheel rod and a support block rod are hinged at the lower end of the support vertical rod, a connecting rod is fixedly connected between the universal wheel rod and the support block rod, and the universal wheel is hinged A support block is fixedly connected to one end of the universal wheel rod away from the hinge point, and one end of the support block rod away from the hinge point.

By adopting the above technical solution, when the foldable scaffold is used, the foldable scaffold is moved to the construction position by the universal wheel, and then the support block rod and the universal wheel rod are rotated around the hinge point by using the push support block rod in turn , until the support block rod and the support vertical rod are on the same axis, at this time the universal wheel is suspended, and the climbing frame body is in contact with the ground through the support block. When the four universal wheels are suspended in the air and the support block is in contact with the ground, The foldable scaffolding is difficult to slide, fixed smoothly, and has high safety performance.

The utility model is further configured as follows: a vertical rod mounting plate is fixedly connected to the lower end of the supporting vertical rod, a first connecting plate is fixedly connected below the vertical rod mounting plate, and two sides of the first connecting plate are symmetrically fixedly connected on both sides. locking bolts, one end of the universal wheel rod close to the support vertical rod is fixedly connected with a second connecting plate, a second rotating hole is opened on the second connecting plate, and the support block rod is close to the support vertical rod One end of the rod is fixedly connected with a third connecting plate, a third rotating hole is opened on the third connecting plate, the locking bolt penetrates the second rotating hole and the third rotating hole, and the locking bolt The upper thread is matched with a lock nut.

By adopting the above technical solution, when the foldable scaffold is used, the first connecting plate, the second connecting plate and the third connecting plate are locked by tightening the locking nut, and then the foldable scaffold is moved to the construction position and rotated in the opposite direction. The locking nut makes the first connecting plate, the second connecting plate and the third connecting plate out of the locking state, so that the second connecting plate and the third connecting plate are connected to the first connecting plate in rotation.

The utility model is further provided as follows: it further comprises a straight ladder, the upper end of the straight ladder is fixedly connected with the supporting horizontal rod, and the lower end of the straight ladder is fixedly connected with the supporting vertical rod.

By adopting the above technical solution, the straight ladder is convenient for construction personnel to climb on the foldable scaffolding to carry out construction work.

To sum up, the beneficial technical effects of the present utility model are:

1. When the foldable scaffold needs to be transported or stored, move the two sets of supporting vertical rods close to each other, the supporting vertical rods drive the supporting inclined rods to rotate along the hinge point, and the supporting inclined rods push the sliding block to slide along the axis direction of the supporting vertical rods. The two supporting plates are rotated to approach each other until the two supporting plates abut each other, so that the overall volume of the foldable scaffold is reduced, which is convenient for transportation or storage. When the foldable scaffold needs to be used, the supporting vertical rods are kept away from each other. , until the two support plates are on the same level, use the locking piece to lock the sliding block, so that the support vertical rod cannot continue to move;

2. When the foldable scaffolding is moved to the construction position, open the foldable scaffolding, move the two supporting vertical rods away from each other, and use the bolts when the two supporting plates are on the same surface. Through the limit through hole and screwed with the limit threaded hole, the sliding rod and the sliding block are locked and fixed, so that the sliding block cannot continue to move, so that the structure of the entire scaffold is stable;

3. When using the foldable scaffold, move the foldable scaffold to the construction position through the universal wheel, and then use the push support block rod in turn to make the support block rod and the universal wheel rod rotate around the hinge point to the support block. The rod and the supporting vertical rod are located on the same axis. At this time, the universal wheel is suspended, and the body of the climbing frame is in contact with the ground through the support block. When the four universal wheels are suspended in the air and the support block is in contact with the ground, the foldable scaffold It is difficult to slide, fixed and stable, and has high safety performance.

Description of drawings

Fig. 1 is the overall structure schematic diagram one of the present utility model;

Fig. 2 is the overall structure schematic diagram two of the present utility model;

Fig. 3 is the exploded view of the locking member of the present utility model;

Fig. 4 is the exploded view of the support plate of the present invention;

5 is an exploded view of the universal wheel of the present invention.

In the figure, 01, supporting member; 1, supporting vertical rod; 11, sliding rod; 111, sliding groove; 112, limit threaded hole; 012, locking member; 12, sliding block; 121, clamping plate; 122, Limit through hole; 13, straight ladder; 14, vertical rod mounting plate; 141, first connecting plate; 142, locking bolt; 143, locking nut; 2, supporting cross bar; 21, supporting plate; Two supporting plates; 2111, rotating block; 2112, rotating rod; 2121, rotating plate; 2122, rotating hole; 2113, limit ring; 212, first supporting plate; 213, rotating support through hole; 22, mounting plate; 23 , rotating support rod; 3, supporting oblique rod; 4, universal wheel rod; 41, universal wheel; 42, second connecting plate; 421, second rotating hole; 43, connecting rod; 5, supporting block rod; 52 , the third connecting plate; 521, the third rotating hole.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 and 2, it is a foldable scaffolding disclosed by the utility model, comprising two sets of mutually parallel support members 01 and a support plate 21 for supporting the construction personnel, the support member 01 includes two mutually parallel support members 01. The support vertical rod 1 and the support cross rod 2 fixedly connected between the two support vertical rods 1, the support plate 21 is arranged in two pieces and is hinged on the support cross rod 2 respectively, and the two support plates 21 are rotatably connected to support A sliding rod 11 protrudes from the side wall of the vertical rod 1, and sliding grooves 111 (refer to FIG. 3) are opened on the two side walls facing the sliding rod 11. The sliding rod 11 is slidably connected with a sliding block 12, and the sliding block 12 is hinged There are supporting inclined rods 3, and the supporting inclined rods 3 between the adjacent supporting vertical rods 1 in the two groups of supports 01 are hinged at one point, and the hinge point is in the vertical direction with the two sliding blocks on the same supporting vertical rod 1 12, a support plate 21 is hinged on the support cross bar 2, and the two support plates 21 are rotatably connected. When the foldable scaffold needs to be transported or stored, the two sets of supporting vertical rods 1 are brought close to each other, the supporting vertical rod 1 drives the supporting inclined rod 3 to rotate along the hinge point, and the supporting inclined rod 3 pushes the sliding block 12 along the supporting vertical rod 1 Sliding in the axial direction, the two supporting plates 21 are rotated to approach each other until the two supporting plates 21 abut each other, so that the overall volume of the foldable scaffold is reduced, which is convenient for transportation or storage.

The lower end of the support vertical rod 1 is provided with a universal wheel 41 and the universal wheel 41 is a self-locking universal wheel. When the foldable scaffold needs to be moved, the universal wheel 41 is used to move it, and when it is moved to the construction position, the universal wheel 41 is locked, and the operation is convenient.

The foldable scaffold also includes a straight ladder 13 , the upper end of the straight ladder 13 is fixedly connected with the support crossbar 2 , and the lower end of the straight ladder 13 is fixedly connected with the support vertical rod 1 . The straight ladder 13 is convenient for construction personnel to climb on the foldable scaffolding to carry out construction work.

Referring to FIG. 3 , a clamping plate 121 is fixedly connected to the side wall of the sliding block 12 close to the supporting inclined rod 3 , and the supporting inclined rod 3 is rotatably connected to the clamping plate. The side wall of the support rod is provided with a locking piece 012 for locking the sliding block 12 , and the locking piece 012 includes two limit threaded holes 112 arranged on the side wall of the sliding rod 11 facing the sliding block 12 . The limit through holes 122 are opened. When the two support plates 21 are opened to the same surface, the limit screw holes 112 are respectively opposite to the two limit through holes 122 . When the foldable scaffold is moved to the construction position, open the foldable scaffold, move the two supporting vertical rods 1 away from each other, and open the two supporting plates 21 to the same surface, use bolts Through the limit through hole 122 and screwed with the limit threaded hole 112, the sliding rod 11 and the sliding block 12 are locked and fixed, so that the sliding block 12 cannot continue to move, so that the structure of the entire foldable scaffold is stable.

Referring to FIG. 4 , two mounting plates 22 protrude from both ends of the side of the support cross bar 2 , a rotating support rod 23 is fixedly connected between the mounting plates 22 , and a rotating support through hole 213 is opened at one end of the support plate 21 close to the support cross bar 2 , the rotation support rod 23 penetrates through the rotation support through hole 213 .

The support plate 21 includes a first support plate 212 and a second support plate 211. Two rotating plates 2121 protrude from two sides of the first support plate 212 close to one end of the second support plate 211, and the rotating plates 2121 are provided with rotating holes. 2122, the second support plate 211 is located between the two rotating plates 2121, and a rotating block 2111 protrudes, and two rotating rods 2112 protrude at both ends of the rotating block 2111, and the two rotating rods 2112 respectively pass through the two rotating holes 2122. Through the rotation rod 2112 passing through the rotation hole 2122, the rotation plate 2121 is connected with the rotation block 2111 in rotation, so that the first support plate 212 and the second support plate 211 are connected in rotation. 211 are connected by rotation, the structure is simple and the operation is convenient.

One end of the rotating rod 2112 away from the rotating block 2111 is fixedly connected to a limiting ring 2113 . The limiting ring 2113 helps prevent the rotating rod 2112 from being disconnected from the rotating hole 2122 , and the entire structure is more stable.

5, the lower end of the support vertical rod 1 is fixedly connected with a vertical rod mounting plate 14, the lower end of the vertical rod mounting plate 14 is hinged with a universal wheel rod 4 and a support block rod 5, and the universal wheel rod 4 and the support block rod 5 are fixed between A connecting rod 43 is connected, a first connecting plate 141 is fixedly connected under the vertical rod mounting plate 14 , and two locking bolts 142 are symmetrically and fixedly connected on both sides of the first connecting plate 141 . One end is fixedly connected with a second connecting plate 42 , a second rotating hole 421 is opened on the second connecting plate 42 , a third connecting plate 52 is fixedly connected to one end of the support block rod 5 close to the supporting vertical rod 1 , and the third connecting plate 52 is A third rotating hole 521 is opened, the locking bolt 142 penetrates the second rotating hole 421 and the third rotating hole 521 , and a locking nut 143 is threaded on the locking bolt 142 . When using the mobile climbing frame, the first connecting plate 141, the second connecting plate 42 and the third connecting plate 52 are locked by tightening the lock nut 143, and then the body of the climbing frame is moved to the construction position and rotated in the opposite direction. Tighten the nut 143 to release the first connecting plate 141 , the second connecting plate 42 and the third connecting plate 52 from the locked state, so that the second connecting plate 42 and the third connecting plate 52 are rotatably connected to the first connecting plate 141 .

The working conditions of this embodiment are:

When the foldable scaffold needs to be transported or stored, the two sets of supporting vertical rods 1 are brought close to each other, the supporting vertical rod 1 drives the supporting inclined rod 3 to rotate along the hinge point, and the supporting inclined rod 3 pushes the sliding block 12 along the supporting vertical rod 1 Sliding in the axial direction, the two supporting plates 21 are rotated to approach each other until the two supporting plates 21 abut each other, so that the overall volume of the foldable scaffold is reduced, which is convenient for transportation or storage.

When the foldable scaffold moves to the construction position, the locking nut 143 is rotated to release the first connecting plate 141 , the second connecting plate 42 and the third connecting plate 52 from the locked state, so that the second connecting plate 42 and the third connecting plate 52 are released from the locked state. The three connecting plates 52 are rotatably connected to the first connecting plate 141, and then the support block rod 5 and the universal wheel rod 4 are rotated around the hinge point by pushing the support block rod 5 in turn, until the support block rod 5 and the support vertical rod 1 are in the same position On the axis, at this time, the universal wheel 41 is suspended in the air, and the foldable scaffold is in contact with the ground through the support block. When the four universal wheels 41 are suspended in the air and the support block is in contact with the ground, the foldable scaffold is difficult to slide and fixed smoothly. , high safety performance.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (9)

1. A foldable scaffold, comprising two sets of mutually parallel support members (01) and a support plate (21) for supporting construction personnel, characterized in that: the support member (01) comprises two mutually parallel support members (01) The supporting vertical rods (1) and the supporting cross rods (2) fixedly connected between the two supporting vertical rods (1), the supporting plates (21) are arranged in two pieces and are respectively hinged to the supporting cross rods ( 2), the two supporting plates (21) are connected in rotation, two sliding blocks (12) are slidably connected to the side walls of the supporting vertical rods (1), and the side walls of the supporting vertical rods (1) are slidably connected. A locking member (012) for locking a sliding block (12) is provided, the sliding block (12) is hinged with a supporting inclined rod (3), and the adjacent supporting vertical rods ( 1) The supporting inclined rods (3) between them are hinged at a point, and the hinge point is between the two sliding blocks (12) on the same supporting vertical rod (1) in the vertical direction. 2 . The foldable scaffold according to claim 1 , wherein sliding rods ( 11 ) protrude from the side walls of the supporting vertical rods ( 1 ), and two sliding rods ( 11 ) are opposite to each other. 3 . A sliding groove (111) is opened on the side wall, and the sliding block (12) is snap-fitted with the sliding rod (11). 3 . The foldable scaffold according to claim 2 , wherein the locking member ( 012 ) comprises two locking pieces disposed on the side wall of the sliding rod ( 11 ) facing the sliding block ( 12 ). 4 . There are limit screw holes (112), limit through holes (122) are opened on the sliding block (12), when the two support plates (21) are opened to the same surface, the limit screw The holes (112) are respectively opposite to the two limiting through holes (122). 4. The foldable scaffold according to claim 1, wherein the support plate (21) comprises a first support plate (212) and a second support plate (211), the first support plate (211). 212) Two rotating plates (2121) protrude on both sides near one end of the second support plate (211), and the rotating plates (2121) are provided with rotating holes (2122), and the second support plate (211) ) between the two rotating plates (2121), a rotating block (2111) protrudes, and two rotating rods (2112) protrude from both ends of the rotating block (2111). The two rotating rods (2112) ) respectively penetrate through the two rotating holes (2122). 5. The foldable scaffold according to claim 4, characterized in that: one end of the rotating rod (2112) away from the rotating block (2111) is fixedly connected to a limiting ring (2113). 6 . The foldable scaffolding according to claim 1 , wherein a universal wheel ( 41 ) is provided at the lower end of the supporting vertical rod ( 1 ), and the universal wheel ( 41 ) is a self-locking universal wheel. 7 . (41). 7. The foldable scaffolding according to claim 6, wherein the lower end of the support vertical rod (1) is hinged with a universal wheel rod (4) and a support block rod (5), the universal wheel rod (4) A connecting rod (43) is fixedly connected with the support block rod (5), and the universal wheel (41) is hinged on the end of the universal wheel rod (4) away from the hinge point, so A support block is fixedly connected to one end of the support block rod (5) away from the hinge point. 8 . The foldable scaffold according to claim 7 , wherein a vertical rod mounting plate ( 14 ) is fixedly connected to the lower end of the supporting vertical rod ( 1 ), and the bottom of the vertical rod mounting plate ( 14 ) is fixedly connected. 9 . There is a first connecting plate (141), two locking bolts (142) are symmetrically and fixedly connected on both sides of the first connecting plate (141), and the universal wheel rod (4) is close to the supporting vertical rod (1). ) is fixedly connected with a second connecting plate (42), a second rotating hole (421) is opened on the second connecting plate (42), and the support block rod (5) is close to the support vertical rod (1). ) is fixedly connected to one end of a third connecting plate (52), the third connecting plate (52) is provided with a third rotating hole (521), and the locking bolt (142) penetrates the second rotating hole ( 421) and the third rotation hole (521), the locking bolt (142) is threadedly fitted with a locking nut (143). 9 . The foldable scaffold according to claim 1 , characterized in that it further comprises a straight ladder ( 13 ), the upper end of the straight ladder ( 13 ) is fixedly connected with the support cross bar ( 2 ), and the straight The lower end of the ladder (13) is fixedly connected with the supporting vertical rod (1).

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