CN212583320U

CN212583320U - Anti-falling net for construction site

Info

Publication number: CN212583320U
Application number: CN202020962941.4U
Authority: CN
Inventors: 陈尧荣; 孙樑钢
Original assignee: Zhejiang Kuangsha Construction Co ltd
Current assignee: Zhejiang Kuangsha Construction Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-23
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a building site prevents weighing down net relates to construction safety's technical field, including the rack, install the protection network on the rack, one side of rack is rotated and is connected on the scaffold frame, and the rack is kept away from and is connected with the stay cord on the both ends of one side of scaffold frame, and the stay cord is tied up on the scaffold frame. When the utility model is used for cleaning the sundries on the protective net, the net rack can be rotated downwards by loosening the pull rope, so that the sundries on the protective net can fall down from the protective net along the same trend; after debris clearance, still can pull back the rack to original position through the stay cord, holistic clearance process easy operation, convenient and fast.

Description

Anti-falling net for construction site

Technical Field

The utility model belongs to the technical field of the technique of construction safety protection and specifically relates to a building site prevents weighing down net is related to.

Background

On the construction site, after a construction worker finishes constructing a foundation, the scaffold is built to prepare for construction of a building main body, a layer of dense mesh type safety net is usually surrounded on the outer ring of the scaffold and used for safety protection of the construction worker during high-altitude operation, and an anti-falling net is generally installed on the scaffold.

Prevent weighing down net and include the rack, rack one side is installed on the scaffold frame, and the rack is kept away from the both ends of one side of scaffold frame and all is connected with the vaulting pole, and the one end that the rack was kept away from to the vaulting pole is connected with the scaffold frame, installs the protection network on the rack, and when there was debris to fall when building site eminence, the protection network can be lived debris pocket, can avoid falling object from the high altitude to cause the injury to construction worker to the at utmost.

The above technical solution has the following disadvantages: in order to ensure that the weight of the sundries on the protective net does not reach the bearing limit, the sundries on the protective net needs to be regularly cleaned, when the sundries on the protective net are cleaned, the protective net needs to be detached from the net rack firstly, then the sundries on the protective net can be cleaned, the operation of the whole cleaning process is complex, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a building site prevents weighing down net can carry out the clearance high-efficiently to preventing weighing down online debris.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a building site prevents weighing down net, includes the rack, install the protection network on the rack, one side of rack is rotated and is connected on the scaffold, the rack is kept away from be connected with the stay cord on the both ends of one side of scaffold, the stay cord is tied up on the scaffold.

By adopting the technical scheme, when sundries on the protective net need to be cleaned, the pull rope can be loosened, the net rack can rotate downwards around the rotating connection part of the net rack and the scaffold under the action of gravity, and the sundries held by the protective net can fall down from the protective net along the trend; after debris cleared up, the rack was pulled back to the accessible stay cord, made the rack resume to original position, the whole process easy operation of debris on the clearance protection network, convenient and fast.

The utility model discloses can further configure to in a preferred example, the guide pulley is installed in rotating on the scaffold frame, the stay cord is walked around the guide pulley is tied up on the scaffold frame.

Through adopting above-mentioned technical scheme, when the pulling stay cord, stay cord and guide pulley rolling contact have reduced the friction damage to the stay cord, and when the pulling stay cord, the frictional resistance between stay cord and the guide pulley is littleer, and is lighter during the pulling.

The utility model discloses can further configure into in a preferred example, install clamping mechanism on the scaffold frame, clamping mechanism includes that the scaffold frame is detained, the scaffold frame is detained and is pressed from both sides tightly to be installed on the scaffold frame, fixedly connected with double-screw bolt is detained to the scaffold frame, the through-hole has been seted up on the double-screw bolt, the stay cord passes the through-hole, it just to be equipped with two tight pieces of clamp still to overlap on the double-screw bolt the through-hole is located two press from both sides between the tight piece, it has seted up convex recess and is pressed from both sides tightly to correspond on the tight piece of clamp during the stay cord, stay cord surface pastes tightly press from both sides the recess on the tight piece.

Through adopting above-mentioned technical scheme, when need be fixed with the stay cord, accessible swivel nut makes and presss from both sides tight piece and slide until pressing from both sides tight piece and press from both sides the stay cord tightly, and the tight piece state of clamp after pressing from both sides tightly is difficult not hard up, and easy operation.

The utility model discloses can further configure to in a preferred example, be provided with a plurality of knots along its length direction interval on the stay cord, the knot can pass the through-hole, and can walk around the guide pulley.

Through adopting above-mentioned technical scheme, construction worker can regard the knot as the impetus when the pulling stay cord, and is more laborsaving during the pulling stay cord, and when pressing from both sides tight piece and pressing from both sides the stay cord and press from both sides tightly, the knot supports tightly and presss from both sides tight piece, can effectively reduce the relative slip between stay cord and the tight piece of clamp.

The utility model can be further configured in a better example, inverted L-shaped barbs are arranged at intervals along the outer edge of the net rack, the long edges of the barbs are vertically and fixedly connected to the net rack, the short edges of the barbs are horizontal, and one ends of the barbs, which are far away from the long edges of the barbs, are in threaded connection with tightening bolts, and the axes of the tightening bolts are vertical to the net rack; meshes on the outer edge of the protective net can be matched and installed with the barbs, and after the protective net is matched and installed on the net rack through the meshes on the outer edge of the protective net and the barbs, one end of the tightening bolt is tightly abutted to the net rack.

Through adopting above-mentioned technical scheme, the protection network is installed the back, through supporting the puller bolt tightly on the rack, barb, puller bolt can form a closed loop with the rack, and the protection network is difficult to deviate from the barb, and only needs to unscrew the puller bolt when dismantling, and the protection network just can be conveniently pulled down from the barb.

The utility model discloses can further configure to in a preferred example, the cover is equipped with the spring on the puller bolt, works as puller bolt one end is supported tightly when the rack is last, the both ends of spring are supported tightly respectively the nut of puller bolt with the minor face of barb.

Through adopting above-mentioned technical scheme, when the tight bolt of top supported the rack tightly, the spring can exert elasticity to the tight bolt of top, increases the frictional force between the screw thread on the tight bolt of top and the screw thread on the barb minor face, has locking effect.

The utility model discloses can further configure to in a preferred example on the spring and along its spiral direction cover be equipped with the rubber sleeve, the both ends of rubber sleeve are sealed.

Through adopting above-mentioned technical scheme, the spring of parcel in the rubber sleeve can effectively slow down its oxidation rate, prolongs the life of spring.

The utility model can be further configured in a preferred example that the net rack is provided with a fixing frame, the fixing frame comprises sleeves, the sleeves are respectively sleeved on the two sides of the net rack, the sleeves are provided with connecting arms, and one end of each connecting arm far away from the corresponding sleeve is fixedly connected with a first clamping block;

an arc-shaped groove is formed in one surface, away from the connecting arm, of the first clamping block in the width direction, a second clamping block is rotatably connected to one end, in the length direction, of the first clamping block, an arc-shaped groove corresponding to the arc-shaped groove in the first clamping block is also formed in the second clamping block, and the other end, away from the end rotatably connected with the second clamping block, of the first clamping block is connected with the second clamping block through a bolt; when the net rack is installed, the arc-shaped groove in the first clamping block and the arc-shaped groove in the second clamping block hold the scaffold tightly, and then the first clamping block and the second clamping block are locked with each other through bolts.

Through adopting above-mentioned technical scheme, after the net rack installation was accomplished, the sleeve that sets up on the linking arm can have the effect of lifting to the net rack for the impact force of debris that the high altitude was thrown down can be born by the sleeve, reduces the impact force to net rack and scaffold frame rotation junction.

To sum up, the utility model discloses a following at least one useful technological effect:

1. sundries accumulated on the protective net can be cleaned conveniently;

2. the protection network installation is stable, and dismantles the convenience.

Drawings

Fig. 1 is a schematic perspective view of the present invention, and the rubber sleeve is not shown in the figure;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic illustration of a cross-section of a spring and rubber boot;

fig. 4 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.

Reference numerals: 1. a scaffold; 2. a net frame; 21. a barb; 22. jacking the bolt; 23. a spring; 24. a rubber sleeve; 25. a protective net; 3. pulling a rope; 31. knotting; 4. a guide wheel; 5. a clamping mechanism; 51. buckling a scaffold; 52. a stud; 53. a through hole; 54. a clamping piece; 55. a nut; 6. a fixed mount; 61. a sleeve; 62. a connecting arm; 63. a first clamping block; 64. and a second clamping block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a building site prevents weighing down net, including rack 2, rack 2 is the cuboid that comprises four steel pipes, and demountable installation has protection network 25 on rack 2, has barb 21 that is the type of falling L along the welding of rack 2 outer fringe interval, and barb 21's long limit welding is on rack 2 and perpendicular with rack 2, and barb 21's minor face remains the level all the time, and the axis that top tie bolt 22 and top tie bolt 22 were installed to the screw thread on barb 21 minor face is parallel with barb 21 long limit.

Meshes on the outer edge of the protective net 25 can be matched with the barbs 21, after the protective net 25 is matched with the barbs 21 through the meshes on the outer edge of the protective net, the tightening bolt 22 is screwed to enable one end of the tightening bolt 22 to be tightly abutted to the net rack 2, so that a closed ring is formed among the tightening bolt 22, the barbs 21 and the net rack 2, and the protective net 25 is not easy to fall off from the barbs 21.

Referring to fig. 2 and 3, a spring 23 is sleeved on the tightening bolt 22, a rubber sleeve 24 is sleeved on the spring 23 along the spiral direction of the spring, two ends of the rubber sleeve 24 are sealed, and when one end of the tightening bolt 22 is tightened on the net rack 2, two ends of the spring 23 respectively abut against the nut of the tightening bolt 22 and the short edge of the barb 21.

Referring to fig. 1, rack 2 one side articulates on scaffold 1, and rack 2 keeps away from on the both ends of scaffold 1 one side respectively fixedly connected with a stay cord 3, is provided with knot 31 along its length direction interval on the stay cord 3, and scaffold 1 is last to correspond to rotate and to install two guide pulleys 4, and guide pulley 4 rotates the plane parallel with rack 2's rotation plane, and stay cord 3 is walked around guide pulley 4 and is tied up on scaffold 1, and guide pulley 4 can be walked around to knot 31 on the stay cord 3.

Referring to fig. 1 and 4, two clamping mechanisms 5 are detachably mounted on the scaffold 1 corresponding to the pull rope 3, each clamping mechanism 5 includes a scaffold buckle 51, each scaffold buckle 51 is tightly held on the scaffold 1, a stud 52 is welded on each scaffold buckle 51, a through hole 53 is formed in the middle of each stud 52, the pull rope 3 and the knot 31 thereon penetrate through the through hole 53, two clamping pieces 54 are sleeved on the studs 52, the through holes 53 are formed between the two clamping pieces 54, two nuts 55 are further mounted on the studs 52, and the two clamping pieces 54 are located between the two nuts 55.

When the net rack 2 is installed and needs to fix the pull rope 3 on the scaffold 1, the two nuts 55 installed on the studs 52 can be rotated, so that the two nuts 55 respectively push the two clamping pieces 54, and the clamping pieces 54 clamp the pull rope 3 to fixedly connect the pull rope 3 on the studs 52.

Referring to fig. 1, a fixed frame 6 is arranged on a net rack 2, the fixed frame 6 comprises sleeves 61, the sleeves 61 are respectively sleeved on two sides of the net rack 2, a connecting arm 62 is welded on the sleeve 61, one end of the connecting arm 62, which is far away from the sleeve 61, is welded with a first clamping block 63, an arc-shaped groove is formed in one surface of the first clamping block 63, which is far away from the connecting arm 62, along the width direction of the first clamping block, one end of the first clamping block 63 along the length direction of the first clamping block is hinged with a second clamping block 64, the second clamping block 64 is also provided with an arc-shaped groove corresponding to the arc-shaped groove in the first clamping block 63, and the other end of the first clamping block 63, which is far away from the end rotatably connected; after the net rack 2 is installed, the arc-shaped groove on the first clamping block 63 and the arc-shaped groove on the second clamping block 64 hold the scaffold 1 tightly, and then the first clamping block 63 and the second clamping block 64 are locked with each other through bolts.

The sleeve 61 fixedly arranged on the scaffold 1 can replace the hinged part of the net rack 2 and the scaffold 1 to bear the impact force of most of sundries thrown from high altitude on the hinged part of the net rack 2 and the scaffold 1.

The working principle of the embodiment is as follows: after the position of the net rack 2 is adjusted, the pulling rope 3 firstly passes through the through holes 53 on the studs 52, the pulling rope 3 is locked on the studs 52 through the matching of the two nuts 55 on the studs 52 and the two clamping pieces 54, and then the first clamping block 63 and the second clamping block 64 are locked on the scaffold 1 through the bolts, so that the sleeve 61 has a supporting effect on the net rack 2, and the installation of the net rack 2 is completed. When sundries on the protective net 25 on the net rack 2 need to be cleaned, the bolts on the first clamping block 63 and the second clamping block 64 are taken down, the first clamping block 63, the second clamping block 64 and the scaffold 1 are separated, and the nuts 55 on the studs 52 are rotated again, so that the two clamping pieces 54 are separated from the pull rope 3, at the moment, under the action of gravity, the net rack 2 can rotate downwards by taking the rotating connection position of the net rack 2 and the scaffold 1 as an axis, the sundries on the protective net 25 can fall from the protective net 25, and after the sundries on the protective net 25 are cleaned, the net rack 2 is pulled back to the original position through the pull rope 3.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a building site prevents weighing down net, includes rack (2), its characterized in that: install protection network (25) on rack (2), one side of rack (2) is rotated and is connected on scaffold frame (1), rack (2) are kept away from be connected with stay cord (3) on the both ends of one side of scaffold frame (1), stay cord (3) are tied up on scaffold frame (1).

2. The fall arrest net for a construction site according to claim 1, wherein: the scaffold (1) is rotatably provided with a guide wheel (4), and the pull rope (3) is wound around the guide wheel (4) and bound on the scaffold (1).

3. The fall arrest net for a construction site according to claim 2, wherein: the scaffold (1) is provided with a clamping mechanism (5), the clamping mechanism (5) comprises a scaffold buckle (51), the scaffold clasp (51) is clamped and installed on the scaffold (1), a stud (52) is fixedly connected to the scaffold clasp (51), a through hole (53) is arranged on the stud (52), the pull rope (3) passes through the through hole (53), two clamping pieces (54) are further sleeved on the stud (52), the through hole (53) is positioned between the two clamping pieces (54), the clamping piece (54) is correspondingly provided with an arc-shaped groove and when the pull rope (3) is clamped, the surface of the pull rope (3) is tightly attached to the groove of the clamping piece (54), the stud (52) is also connected with two nuts (55), and the two clamping pieces (54) are positioned between the two nuts (55).

4. A fall arrest net for a construction site according to claim 3, wherein: a plurality of knots (31) are arranged on the pull rope (3) at intervals along the length direction of the pull rope, and the knots (31) can penetrate through the through holes (53) and can bypass the guide wheel (4).

5. The fall arrest net for a construction site according to claim 1, wherein: inverted L-shaped barbs (21) are arranged at intervals along the outer edge of the net rack (2), the long edges of the barbs (21) are vertically and fixedly connected to the net rack (2), the short edges of the barbs (21) are horizontal, one ends, far away from the long edges of the barbs (21), of the barbs are in threaded connection with puller bolts (22), and the axes of the puller bolts (22) are perpendicular to the net rack (2); meshes on the outer edge of the protective net (25) can be matched and installed with the barbs (21), and after the protective net (25) is matched and installed on the net rack (2) through the meshes on the outer edge of the protective net and the barbs (21), one end of the tightening bolt (22) is pressed against the net rack (2).

6. The fall arrest net for a construction site according to claim 5, wherein: the cover is equipped with spring (23) on tightly-pushing bolt (22), works as tightly-pushing bolt (22) one end is supported when net rack (2) is gone up, the both ends of spring (23) support tightly respectively the nut of tightly-pushing bolt (22) with the minor face of barb (21).

7. The fall arrest net for a construction site according to claim 6, wherein: the spring (23) is sleeved with a rubber sleeve (24) along the spiral direction of the spring, and two ends of the rubber sleeve (24) are sealed.

8. The fall arrest net for a construction site according to claim 1, wherein: a fixing frame (6) is mounted on the net rack (2), the fixing frame (6) comprises sleeves (61), the sleeves (61) are respectively sleeved on two sides of the net rack (2), a connecting arm (62) is arranged on each sleeve (61), and a first clamping block (63) is fixedly connected to one end, far away from the sleeve (61), of each connecting arm (62);

an arc-shaped groove is formed in one surface, away from the connecting arm (62), of the first clamping block (63) along the width direction of the first clamping block, a second clamping block (64) is rotatably connected to one end, along the length direction, of the first clamping block (63), an arc-shaped groove corresponding to the arc-shaped groove in the first clamping block (63) is also formed in the second clamping block (64), and the other end, away from the end rotatably connected with the second clamping block (64), of the first clamping block (63) is connected with the second clamping block (64) through a bolt; when net rack (2) installation completion back, arc recess on first clamp tight piece (63) with arc recess on second clamp tight piece (64) is held tightly scaffold frame (1), then will through the bolt first clamp tight piece (63) with second clamp tight piece (64) is locked each other.