CN215519899U

CN215519899U - Cross bar connecting structure for scaffold

Info

Publication number: CN215519899U
Application number: CN202120680415.3U
Authority: CN
Inventors: 陈劲松
Original assignee: Anqing Taida Construction Engineering Co ltd
Current assignee: Anqing Taida Construction Engineering Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2022-01-14
Anticipated expiration: 2031-04-02

Abstract

The utility model relates to the technical field of scaffolds, in particular to a cross bar connecting structure for a scaffold, wherein one end of a first cross bar is provided with a second cross bar, one ends of the first cross bar and the second cross bar are both slidably sleeved with fixing sleeves, one end of one fixing sleeve is fixed with a first connecting block, one end of the other fixing sleeve is fixed with a second connecting block, and one side of the first connecting block is provided with a clamping groove. The clamping and positioning mechanism drives the two clamping heads to be inserted into the inner sides of the two clamping grooves to radially fix the second connecting block, and the limiting plate clamping grooves are clamped to axially fix the second connecting block, so that the first cross rod and the second cross rod can be connected and fixed, the operation is simple and rapid, the connection reliability is high, rapid disassembly and assembly can be realized, and the transportation and the assembly are convenient.

Description

Cross bar connecting structure for scaffold

Technical Field

The utility model relates to the technical field of scaffolds, in particular to a cross bar connecting structure for a scaffold.

Background

The scaffold refers to various supports erected on a construction site for workers to operate and solve vertical and horizontal transportation. The scaffold is assembled by splicing steel pipes, wherein the tail ends of two sections of steel pipes are required to be connected and fixed. However, the existing steel pipe connection is usually fixed by bolts, a plurality of bolts need to be screwed when assembling, the operation process is complicated, the construction efficiency is reduced, and carelessness is easy to occur in manual screwing, so that the bolts are not screwed, and potential safety hazards are generated. Accordingly, a cross bar connecting structure for scaffolding is provided by those skilled in the art to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in an effort to provide a ledger connection structure for scaffolding that solves the problems set forth in the background art described above.

In order to achieve the purpose, the utility model provides the following technical scheme:

a horizontal pole connection structure for scaffold, including first horizontal pole, the one end of first horizontal pole is provided with the second horizontal pole, and the one end of first horizontal pole and second horizontal pole all slides the cover and is equipped with fixed cover, one of them the one end of fixed cover is fixed with first connecting block, and the one end of another fixed cover is fixed with the second connecting block, the block groove has been seted up to one side of first connecting block, and one end position department that one side of first connecting block is located the block groove has seted up the limiting plate draw-in groove, the inside bilateral symmetry sliding connection in block groove has two dops, two be provided with between dop and the first connecting block and press from both sides tight positioning mechanism, the one end of second connecting block is fixed with the limiting plate, the inboard looks adaptation of limiting plate and limiting plate draw-in groove, the draw-in groove has all been seted up to the position department that the both sides of second connecting block correspond two dops.

As a still further scheme of the utility model: press from both sides tight positioning mechanism and be located the inside chute board of first link block including rotating the pivot that is located downside position department in first link block inboard and being fixed in two dop one end, the outside both ends symmetry of pivot is provided with two opposite direction's screw tooth, and the outside of pivot is rotated through two screw tooth symmetries and is connected with two sliders, two the top of slider all rotates and is connected with the slider connecting rod, two the one end of slider connecting rod all rotates and is connected with middle connecting rod, two the one end of middle connecting rod all rotates and is connected with the sliding pin, two the spout, two have all been seted up to the inside of chute board sliding pin difference sliding connection in the inboard of two spouts.

As a still further scheme of the utility model: the outside of pivot is located middle section position department and rotates the cover and be equipped with the pivot backup pad, the outside of pivot backup pad is fixed mutually with the inboard of first connecting block.

As a still further scheme of the utility model: two the downside of dop is located one end position department and all is provided with the dop inclined plane, two the position department that the draw-in groove corresponds two dop inclined planes all is provided with the draw-in groove inclined plane of laminating mutually with the dop inclined plane, two the dop inclined plane is 20 with the contained angle of horizontal plane.

As a still further scheme of the utility model: two the inside of fixed cover is located both sides position department and all symmetry rotation and is connected with two fixing bolt, four fixing bolt all rotates with the inside both sides of first horizontal pole and second horizontal pole respectively through the screw thread and is connected.

As a still further scheme of the utility model: the thickness of limiting plate is 1 centimetre, and limiting plate and first connecting block all adopt the component of alloy steel material.

Compared with the prior art, the utility model has the beneficial effects that: the clamping and positioning mechanism drives the two clamping heads to be inserted into the inner sides of the two clamping grooves to radially fix the second connecting block, and the limiting plate clamping grooves are clamped to axially fix the second connecting block, so that the first cross rod and the second cross rod can be connected and fixed, the operation is simple and rapid, the connection reliability is high, rapid disassembly and assembly can be realized, and the transportation and the assembly are convenient.

Drawings

Fig. 1 is a schematic structural view of a ledger connection structure for scaffolding;

fig. 2 is a partial sectional structural view of a crossbar coupling structure for a scaffold;

fig. 3 is a schematic structural view of a clamping and positioning mechanism in a ledger connection structure for scaffolding;

fig. 4 is an assembly view of the ledger connection structure for scaffolding.

In the figure: 1. a first cross bar; 2. a second cross bar; 3. fixing a sleeve; 4. a first connection block; 5. a second connecting block; 6. a clamping groove; 7. a limiting plate clamping groove; 8. clamping a head; 9. a chute plate; 10. a rotating shaft; 11. a slider; 12. a slider connecting rod; 13. a middle connecting rod; 14. a slide pin; 15. a rotating shaft supporting plate; 16. a card slot; 17. a limiting plate; 18. and (5) fixing the bolt.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a cross bar connecting structure for a scaffold includes a first cross bar 1, a second cross bar 2 is disposed at one end of the first cross bar 1, and a fixing sleeve 3 is slidably sleeved at one end of each of the first cross bar 1 and the second cross bar 2, one end of one of the fixing sleeves 3 is fixed with a first connecting block 4, one end of the other fixing sleeve 3 is fixed with a second connecting block 5, one side of the first connecting block 4 is provided with a clamping groove 6, and one side of first connecting block 4 is located the one end position department of block groove 6 and has seted up limiting plate draw-in groove 7, and the inside bilateral symmetry sliding connection of block groove 6 has two dops 8, is provided with between two dops 8 and the first connecting block 4 and presss from both sides tight positioning mechanism, and the one end of second connecting block 5 is fixed with limiting plate 17, and limiting plate 17 and the inboard looks adaptation of limiting plate draw-in groove 7, and draw-in groove 16 has all been seted up to the both sides of second connecting block 5 corresponding position department of two dops 8.

In fig. 3: the clamping and positioning mechanism comprises a rotating shaft 10 which is rotatably connected to the inner side of the first connecting block 4 and is positioned at the lower side position, and a chute plate 9 which is fixed at one end of each of two clamping heads 8 and is positioned in the first connecting block 4, two screw teeth with opposite directions are symmetrically arranged at two ends of the outer side of the rotating shaft 10, two sliding blocks 11 are rotatably connected to the outer side of the rotating shaft 10 through the two screw teeth, sliding block connecting rods 12 are rotatably connected to the upper parts of the two sliding blocks 11, intermediate connecting rods 13 are rotatably connected to one ends of the two sliding block connecting rods 12, sliding pins 14 are rotatably connected to one ends of the two intermediate connecting rods 13, sliding grooves are formed in the two chute plates 9, the two sliding pins 14 are respectively slidably connected to the inner sides of the two sliding grooves, the rotating shaft 10 is rotated, the rotating shaft 10 drives the two sliding blocks 11 to move reversely through the two screw teeth with opposite directions on the outer side of the rotating shaft 10, and the two sliding block connecting rods 12 are driven by the two sliding blocks 11 to rotate, two slider connecting rods 12 drive two middle connecting rods 13 and rotate, two middle connecting rods 13 promote the spout board 9 through sliding fit between sliding pin 14 and the spout and remove, two spout boards 9 promote two dops 8 to slide to the inboard of two draw-in grooves 16, two dops 8 are through the counterbalance on dop inclined plane and draw-in groove inclined plane, compress tightly second connecting block 5 to the downside of block groove 6, can fix radial direction to connect first horizontal pole 1 and second horizontal pole 2 fixedly.

In fig. 3: the outside of pivot 10 is located middle section position department and rotates the cover and be equipped with pivot backup pad 15, and the outside of pivot backup pad 15 is fixed mutually with the inboard of first connecting block 4, and pivot backup pad 15 is used for supporting pivot 10, improves its stability.

In fig. 1 and 3: the downside of two dops 8 is located one end position department and all is provided with the dop inclined plane, and the position department that two draw-in grooves 16 correspond two dop inclined planes all is provided with the draw-in groove inclined plane of laminating mutually with the dop inclined plane, and the contained angle of two dop inclined planes and horizontal plane is 20, and two dops 8 compress tightly second connecting block 5 to the downside of clamping groove 6 through the counterbalance on dop inclined plane and draw-in groove inclined plane, play radial fixed effect.

In fig. 2: the positions of two sides of the two fixed sleeves 3 are symmetrically and rotatably connected with two fixing bolts 18, the four fixing bolts 18 are rotatably connected with two sides of the first cross rod 1 and two sides of the second cross rod 2 through threads, and the fixing bolts 18 are used for fixing the fixed sleeves 3.

In fig. 1: the thickness of limiting plate 17 is 1 centimetre, and limiting plate 17 and first connecting block 4 all adopt the component of alloy steel material, and the component of alloy steel material has higher intensity, improves and connects the steadiness.

The working principle of the utility model is as follows: two fixing sleeves 3 are respectively sleeved and fixed at one end of a first transverse rod 1 and one end of a second transverse rod 2 through a fixing bolt 18, then a second connecting block 5 is arranged at the inner side of a clamping groove 6, a limiting plate 17 is inserted into the inner side of a limiting plate clamping groove 7 in a sliding manner, the clamping between the limiting plate 17 and the limiting plate clamping groove 7 can play a role in axial connection and fixation, then two clamping heads 8 are adjusted to be respectively inserted into the inner sides of two clamping grooves 16 through a clamping and positioning mechanism, a rotating shaft 10 is rotated, the rotating shaft 10 drives two sliding blocks 11 to move in opposite directions through two screw threads on the outer side of the rotating shaft 10, the two sliding blocks 11 drive two sliding block connecting rods 12 to rotate, the two sliding block connecting rods 12 drive two intermediate connecting rods 13 to rotate, the two intermediate connecting rods 13 push a sliding groove plate 9 to move through sliding fit between a sliding pin 14 and a sliding groove, and the two sliding groove plates 9 push the two clamping heads 8 to slide towards the inner sides of the two clamping grooves 16, two dops 8 compress tightly second connecting block 5 to the downside of block groove 6 through the counterbalance on dop inclined plane and draw-in groove inclined plane, can fix radial direction to connect first horizontal pole 1 and second horizontal pole 2 fixedly, easy operation is swift, connects the reliability height, can realize quick assembly disassembly moreover, convenient transportation and equipment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A horizontal pole connection structure for scaffold, including first horizontal pole (1), its characterized in that, the one end of first horizontal pole (1) is provided with second horizontal pole (2), and the equal slip cap of one end of first horizontal pole (1) and second horizontal pole (2) is equipped with fixed cover (3), one of them the one end of fixed cover (3) is fixed with first connecting block (4), and the one end of another fixed cover (3) is fixed with second connecting block (5), one side of first connecting block (4) has seted up block groove (6), and one side of first connecting block (4) is located the one end position department of block groove (6) and has seted up limiting plate draw-in groove (7), the inside bilateral symmetry sliding connection of block groove (6) has two dops (8), two be provided with between dop (8) and first connecting block (4) and press from both sides tight positioning mechanism, one end of the second connecting block (5) is fixed with a limiting plate (17), the limiting plate (17) is matched with the inner side of the limiting plate clamping groove (7), and clamping grooves (16) are formed in positions, corresponding to the two clamping heads (8), of the two sides of the second connecting block (5).

2. The cross bar connecting structure for scaffolds according to claim 1, wherein the clamping and positioning mechanism comprises a rotating shaft (10) rotatably connected to the inner side of the first connecting block (4) at a lower position and a chute plate (9) fixed to two chucks (8) and having one end thereof located inside the first connecting block (4), two opposite screw threads are symmetrically arranged at two ends of the outer side of the rotating shaft (10), two sliding blocks (11) are symmetrically and rotatably connected to the outer side of the rotating shaft (10) through the two screw threads, a sliding block connecting rod (12) is rotatably connected above the two sliding blocks (11), an intermediate connecting rod (13) is rotatably connected to one end of the two sliding block connecting rods (12), a sliding pin (14) is rotatably connected to one end of the two intermediate connecting rods (13), a chute is formed inside the two chute plates (9), the two sliding pins (14) are respectively connected to the inner sides of the two sliding grooves in a sliding mode.

3. The ledger connection structure for scaffolding according to claim 2, characterized in that the outside of the spindle (10) is rotatably fitted with a spindle support plate (15) at a middle position, the outside of the spindle support plate (15) is fixed with the inside of the first connection block (4).

4. The cross bar connecting structure for scaffolds according to claim 1, wherein the lower sides of two of the clamping heads (8) are provided with clamping head slopes at one end position, the clamping grooves (16) are provided with clamping groove slopes attached to the clamping head slopes at positions corresponding to the two clamping head slopes, and the included angles between the two clamping head slopes and the horizontal plane are both 20 °.

5. The ledger connection structure for scaffolding according to claim 1, characterized in that two fixing bolts (18) are symmetrically and rotatably connected to the inner of two of said fixing covers (3) at both sides, four of said fixing bolts (18) being rotatably connected to the inner sides of the first ledger (1) and the second ledger (2) by screw threads, respectively.

6. The ledger connection structure for scaffolding according to claim 1, characterized in that the thickness of the limit plate (17) is 1 cm, and both the limit plate (17) and the first connection block (4) are members of alloy steel.