CN219158377U

CN219158377U - Easy-to-install horizontal truss on attached lifting operation safety protection platform

Info

Publication number: CN219158377U
Application number: CN202223607922.8U
Authority: CN
Inventors: 韩建恩; 刘成龙; 华星; 刘广辉; 刘奇峰
Original assignee: Shenzhen Zhongshengjianke Development Technology Ltd
Current assignee: Shenzhen Zhongshengjianke Development Technology Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-09
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a horizontal truss easy to install on an attached lifting operation safety protection platform, which comprises the following components: the connecting piece (1), annular limiting piece (2) and two horizontal supporting rods (3), wherein two opposite side walls of the connecting piece (1) are respectively provided with a first groove (10), two opposite inner walls of the first grooves (10) incline from an opening to the bottom, the bottom of each first groove (10) is provided with a second groove (11), the connecting piece (1) is respectively provided with a stress plate (12), the limiting piece (2) is provided with a limiting block (20) capable of vertically sliding up and down, the limiting piece (2) is detachably connected with the stress plate (12) through a bolt (4) and a nut (5) and a threaded hole 21 in the stress plate (12), and one end of each horizontal supporting rod (3) penetrates through the limiting piece (2) and extends into the second groove (11); by implementing the horizontal truss, the condition that bolt holes are not formed in the bolt pairs when the truss is fixed back is avoided, so that the installation speed is improved, and the horizontal truss is safer and more rapid to use.

Description

Easy-to-install horizontal truss on attached lifting operation safety protection platform

Technical Field

The utility model relates to the technical field of buildings, in particular to a horizontal truss which is easy to install on an attached lifting operation safety protection platform.

Background

When the attached lifting operation safety protection platform is used, the attached lifting operation safety protection platform is matched with a tower crane, building materials can be constructed on a building with a higher floor, the attached arm of the tower crane is usually connected with the outer wall of a main building structure, when the attached lifting operation safety protection platform ascends or descends, the attached arm of the tower crane is encountered, the horizontal truss at the position is temporarily removed firstly, the horizontal truss is installed back after lifting operation is completed, the existing horizontal truss is connected through a threaded structure, bolts and installation parts are required to be completely separated in the disassembling process, the condition that the bolts are not connected with bolt holes is often caused when the truss is required to be fixed back, and the installation is difficult.

Disclosure of Invention

The utility model aims to solve the problem of difficult installation, and provides a horizontal truss easy to install on an attached lifting operation safety protection platform.

According to the horizontal truss easy to install on the attached lifting operation safety protection platform provided by the utility model, the horizontal truss comprises: the connecting piece, annular locating part and two horizontal bracing pieces, first recess has all been seted up to two relative lateral walls on the connecting piece, two relative inner walls of first recess incline to the bottom from the opening part, the second recess has been seted up to the bottom of first recess be located first recess open-ended both sides all are equipped with the atress board on the connecting piece, the locating part has the stopper of laminating with two inclined planes of first recess towards the terminal surface of first recess, the stopper can slide from top to bottom on the locating part perpendicularly, the locating part is dismantled with the atress board through screw hole and the nut on the atress board and is connected, the one end of horizontal bracing piece runs through in the locating part extends to the second recess, drives locating part to connecting piece center removal through the position of adjustment nut on the screw bolt, makes the clearance of first recess and horizontal bracing piece dwindle on the horizontal bracing piece fixed connection piece

In the horizontal truss easy to install on the attached lifting operation safety protection platform, the shape of the second groove is consistent with the shape of the end part of the horizontal supporting rod.

In the horizontal truss easy to install on the attached lifting operation safety protection platform, the size of the opening of the second groove is larger than that of the cross section of the horizontal supporting rod.

In the horizontal truss easy to install on the attached lifting operation safety protection platform, the bottom end surface of the limiting block is inclined towards one side close to the second groove and the other side far away from the second groove.

In the horizontal truss easy to install on the attached lifting operation safety protection platform, two bolts are arranged on each limiting piece, four bolts are staggered, and the four bolts penetrate through the two stress plates and the two limiting pieces.

According to the embodiment, the horizontal truss which is easy to install on the attached lifting operation safety protection platform is welded on the component, corresponding to the tower crane attachment arm, of the horizontal truss, the first groove is formed in the left end and the right end of the connecting piece, the second groove is formed in the bottom of the first groove, the limiting piece is movably connected with the connecting piece together through the bolt and the nut outside the first groove, the limiting piece is arranged on the limiting piece in a sliding mode, the end portion of the horizontal supporting rod can penetrate through the limiting piece to be embedded into the second groove, the two limiting pieces are close to the middle of the connecting piece and form a clamping force through changing the position of the nut, the limiting piece is abutted against the inner wall of the first groove and is extruded by the first groove in the moving process of the limiting piece, the limiting piece on the same limiting piece is close to the horizontal supporting rod and forms extrusion force, the horizontal supporting rod can be limited on the connecting piece, the problem that the bolt and the installation position are required to be completely separated in the disassembling process is solved, the situation that the bolt is not on the bolt hole is needed to be fixed back is avoided, and the installation speed is affected, and the installation is rapid.

Drawings

FIG. 1 is a schematic plan view of a horizontal truss for easy installation on an attached lift operation safety protection platform in one embodiment;

FIG. 2 is a schematic view of a 3D perspective view of a horizontal truss that is easily installed on an attached lift operation safety protection platform in the embodiment shown in FIG. 1;

FIG. 3 is a schematic structural view of a horizontal truss retainer easily mounted on an attached lift operation safety platform in the embodiment shown in FIG. 2;

the names and the reference numerals of the components in the drawings are collectively described as follows: 1-connecting piece, 10-first recess, 11-second recess, 12-atress board, 2-locating part, 20-stopper, 21-screw hole, 3-horizontal bracing piece, 4-bolt, 5-nut.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 3, the horizontal truss easy to install on the attached lifting operation safety protection platform according to the present utility model includes a connecting piece 1, a limiting piece 2 and two horizontal supporting rods 3, the connecting piece 1 can be firmly fixed at the position of the lifting operation platform corresponding to the tower crane attaching arm through a welding mode, for the whole lifting operation platform, the weight brought by the connecting piece 1 can not affect stability, meanwhile, a first groove 10 and a second groove 11 are formed at the left end and the right end of the connecting piece 1, the first groove 10 is in a trapezoid shape as seen in the figure, the side with smaller area faces the center point of the connecting piece 1, the limiting piece 2 is independent of a part outside the connecting piece 1, the connecting piece 1 is connected with the connecting piece 1 through a bolt 4 and a nut 5, the distance between the limiting piece 2 and the connecting piece 1 can be adjusted through adjusting the position of the nut 5 on the bolt 4, meanwhile, two limiting pieces 20 are slidably arranged on the end face of the limiting piece 2 facing the connecting piece 1 through a primary-secondary dovetail groove mode, the limiting piece 20 can vertically slide on the upper end and the lower end of the limiting piece 2 towards the center point of the connecting piece 1, the two limiting pieces are vertically slide from the lower end of the side of the limiting piece 2 towards the center point of the connecting piece 1, and the two limiting pieces are horizontally slide through the two grooves 3 and are embedded into the other end of the connecting pieces through the horizontal truss assembly through the two grooves 11 and are embedded into the horizontal truss assembly through the other grooves 4.

When the lifting operation platform needs to complete lifting operation, the nut 5 is screwed in a direction away from the connecting piece 1, the limiting piece 2 can move left and right in a short distance at the moment, the limiting block 20 moves along with the movement of the limiting piece 2, the limiting block is withdrawn from the second groove 11 to the outside of the connecting piece 1, and at the moment, the horizontal supporting rod 3 can be taken out from the first groove 10 and the second groove 11.

When the lifting work is finished, the end part of the horizontal supporting rod 3 passes through the middle of the limiting piece 2 to reach the second groove 11, then the limiting piece 2 moves towards the middle of the connecting piece 1, after moving to the top, the nut 5 is screwed towards the middle of the connecting piece 1 until the limiting piece is screwed to the limit position, in the screwing process, the limiting piece 20 abuts against the inner wall of the first groove 10 and approaches the horizontal supporting rod 3, when the nut 5 is screwed to the limit position, the distance between the limiting pieces 20 on the same limiting piece 2 is minimum and firmly abuts against the horizontal limiting rod, and therefore the aim of quick installation is achieved.

The connecting piece 1 is equivalent to a switch, because the tower crane attaches the arm and is connected with building body structure outer wall after, the tower crane attaches the arm and can not remove characteristic easily, so need to keep the breach in the position that the lift operation platform corresponds the tower crane and attach the arm, connecting piece 1 just installs in the position of this breach, simultaneously, also can weld on the position that the horizontal truss is located the breach next door, have on the connecting piece 1 with connecting piece 1 integrated into one piece's atress board 12 simultaneously, atress board 12 is located the position that corresponds with locating part 2 both sides, its effect can avoid locating part 2 both sides deformation when closing up the state, can increase locating part 2's life.

In the present embodiment, the shape of the second groove 11 in the connecting member 1 is identical to the shape of the end of the horizontal support rod 3, and the size of the opening of the second groove 11 is larger than the size of the cross section of the horizontal support rod 3. When the connecting piece 1 is manufactured, the dimension of the end part of the horizontal supporting rod 3 is required to be measured firstly, so that the gap between the end part of the horizontal supporting rod 3 and the second groove 11 is minimized, the shaking of the horizontal truss can be reduced, and the stability of the horizontal truss is improved.

The limiting member 2 is movable relative to the connecting member 1, and the movable track thereof is horizontally movable, and the threaded holes 21 are formed in both sides of the limiting member 2, so that the limiting member 2 can be connected to the connecting member 1 by using a long bolt 4 which can penetrate through both sides of the connecting member 1 and nuts 5 which are matched with the bolt 4, or by using a bolt 4 which can connect the limiting member 2 and a stress plate 12 corresponding to the limiting member 2.

The limiting block 20 is slidably connected to the limiting piece 2 through a primary dovetail groove and a secondary dovetail groove, the stability of the primary dovetail groove and the secondary dovetail groove is high, the sliding effect is good, the situation that sliding is unsmooth can not occur, meanwhile, the inclination of the end face of the limiting block 20, which faces the first groove 10, is consistent with the inclination of the inner wall of the second groove 11, the sliding of the limiting block 20 is ensured to be smoother, and in the horizontal truss, the limiting block 20 is an important part capable of fixing the position of the horizontal supporting rod 3.

In another embodiment, a side of the bottom end surface of the limiting block 20, which is close to the second groove 11, is inclined to the other side, which is far away from the second groove 11. This arrangement can make the stopper 20 still firmly fix the horizontal support rod 3 to the connector 1 while reducing the screwing distance of the nut 5.

In another embodiment, referring to fig. 2 to 3, each limiting member 2 has two bolts 4, four bolts 4 are staggered from each other, and four bolts 4 penetrate through two stress plates 12 and two limiting members 2. After screwing the nuts 5, the mode that four bolts 4 stagger each other can make two locating parts 2 atress each other, avoids appearing because of the maloperation appears in one of them nut 5 of four nuts 5 not screw up, leads to the problem that two locating parts 2 rocked, ensures the stability of locating part 2 when drawing close the state.

The implementation of this embodiment is easy-to-install horizontal truss on attached lifting operation safety protection platform, at first with connecting piece 1 welding in the position of lifting operation platform corresponding tower crane attachment arm, or with connecting piece 1 welding in the subassembly of horizontal truss, afterwards install two spacing pieces 2 corresponding to each other on the open position of first recess 10 through bolt 4 and nut 5, then pass the center of spacing piece 2 with the tip of horizontal bracing piece 3 and imbed in second recess 11, when lifting operation platform needs to accomplish the lifting operation, twist the nut 5 to the direction that keeps away from connecting piece 1, at this moment spacing piece 2 can the left and right movement of short distance, stopper 20 removes along with the removal of spacing piece 2, withdraw from the outside of connecting piece 1 in the second recess 11, at this moment, horizontal bracing piece 3 just can follow in first recess 10 and second recess 11, after accomplishing the lifting operation, pass the tip of horizontal bracing piece 3 from the centre of spacing piece 2, make it reach in the second recess 11, then remove the spacing piece 2 towards the middle part, remove the top end of the spacing piece 1, need be moved through moving the top to the spacing piece 1 and move the position until the top end of the position of the spacing piece 2, can not be in the time of the same time when the top end of the two position is moved, the top end piece is moved, the top of the top piece is moved, can be moved to the position is moved to the position of the limit piece 2, the top piece is moved, the top end is moved, the top of the top piece is 20, can be moved, the top is completely, the top is 20, when the top is 20, and can be reached, and can be moved, and can be firmly, when the top is compared, and the top, and can, and the top is 20, and can.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a horizontal truss of easy installation on attached type lifting operation safety protection platform which characterized in that includes: the connecting piece (1), annular limiting piece (2) and horizontal supporting rod (3), first recess (10) have all been seted up to two opposite lateral walls on connecting piece (1), two relative inner walls of first recess (10) incline to the bottom from the opening part, second recess (11) have been seted up to the bottom of first recess (10) on connecting piece (1) are located first recess (10) open both sides all are equipped with atress board (12), limiting piece (2) are towards first recess (10) terminal surface have stopper (20) of laminating with two inclined planes of first recess (10), stopper (20) can slide from top to bottom on limiting piece (2) perpendicularly, limiting piece (2) are connected through screw hole (21) on bolt (4) and nut (5) and atress board (12) dismantlement, one end of horizontal supporting rod (3) runs through limiting piece (2) and extends to in second recess (11), drive limiting piece (2) on position (4) through adjusting nut (5) and move limiting piece (20) to the center of a reduction in spacing piece (1) and horizontal supporting rod (20) on first recess (4), the horizontal support rod (3) is fixed on the connecting piece (1).

2. The horizontal truss easy to install on an attached lifting operation safety protection platform according to claim 1, wherein the shape of the second groove (11) is consistent with the shape of the end of the horizontal support bar (3).

3. The horizontal truss easy to install on an attached lifting work safety protection platform according to claim 2, wherein the size of the opening of the second groove (11) is larger than the size of the cross section of the horizontal support bar (3).

4. The horizontal truss easy to install on an attached lifting operation safety protection platform according to claim 1, wherein one side of the bottom end surface of the limiting block (20) close to the second groove (11) is inclined towards the other side far away from the second groove (11).

5. The horizontal truss easy to install on an attached lifting operation safety protection platform according to claim 1, wherein each limiting piece (2) is provided with two bolts (4), four bolts (4) are staggered with each other, and the four bolts (4) penetrate through two stress plates (12) and two limiting pieces (2).