阅读说明：本技术 一种螺栓球网架檩条拼装施工方法 (Bolt ball net rack purline assembling construction method ) 是由 杨凯 梁武 王克运 于 2019-09-23 设计创作，主要内容包括：本发明涉及一种檩条拼装施工方法,具体涉及一种螺栓球网架檩条拼装施工方法,按照如下步骤施工：步骤一：准备阶段；先对螺栓球、杆件进行检查验收后布置控制网；步骤二：螺栓球网架以高空散装方式安装；步骤三：在螺栓球网架外侧拼装固定彩钢板的框架；步骤四：网架安装完成后,安装彩钢板。由于单元框架也是在地面上拼装完成,一方面减小了作业人员的安全问题,另一方面提高了工作效率；使用本发明的拼装施工方法可将原来25个工作日檩条安装工期缩短至12个工作日。(The invention relates to a purline assembling construction method, in particular to a bolt ball net rack purline assembling construction method, which comprises the following steps: the method comprises the following steps: a preparation stage; firstly, checking and accepting the bolt ball and the rod piece, and then arranging a control net; step two: the bolt ball net rack is installed in a high-altitude bulk mode; step three: assembling a frame for fixing the color steel plate outside the bolt ball net rack; step four: and after the net rack is installed, installing the color steel plate. Because the unit frames are assembled on the ground, the safety problem of operators is reduced on one hand, and the working efficiency is improved on the other hand; the assembly construction method can shorten the installation period of purlins in the original 25 working days to 12 working days.)

1. The construction method for assembling the purlines of the bolt ball net rack is characterized by comprising the following steps:

the method comprises the following steps: a preparation stage;

firstly, checking and accepting the bolt ball and the rod piece, and then arranging a control net;

step two: the bolt ball net rack is installed in a high-altitude bulk mode;

step three: assembling a frame for fixing the color steel plate outside the bolt ball net rack;

the first step is as follows: determining the distance length between two horizontally adjacent bolt balls on the bolt ball grid frame and the distance length between two vertically adjacent bolt balls;

the second step is that: determining the length and width of the unit frame;

the third step: installing a unit frame, wherein the unit frame comprises a main purline and a secondary purline, the secondary purline and the main purline are fixed through purline supports, and the unit frame forms a herringbone structure after being installed;

the fourth step: the purline supports are transported to the installation positions by using a crane, and the purline supports are installed on the corresponding bolt balls by high-altitude operators and are connected with the main purlines, and the distance of one unit frame is reserved between the two horizontal unit frames;

the fifth step; after the complete unit frames are installed, a corresponding number of secondary purlins are installed between every two adjacent unit frames;

step four: and after the net rack is installed, installing the color steel plate.

2. The assembly construction method of the bolt ball net rack purlins according to claim 1, wherein in the third step, the unit frames are installed on the ground, each unit frame comprises 2 main purlins and 3 secondary purlins, and each secondary purlin and the main purlins are fixed through purlin supports by bolts.

3. The assembly construction method of the bolt ball grid purlin according to claim 2, characterized in that 5 groups of through holes are arranged on the side surface of the main purlin at equal intervals, 2 groups of through holes on the main purlin at the front end and the rear end of the side surface are fixed on the bolt ball through purlin supports, and 3 groups of through holes on the main purlin at the middle position of the side surface are fixed on the secondary purlin through the purlin supports by bolts.

4. The assembly construction method of the bolt ball net rack purlins according to claim 3, wherein 4 groups of through holes are formed in the secondary purlins, and 2 groups of through holes respectively located at two end parts of the secondary purlins are fixed on the through holes of the main purlins through purlin supports by bolts; the secondary purlins are located above the main purlins, and the distance from each secondary purlin to the end of each main purlin is smaller than the distance between every two adjacent secondary purlins.

The invention relates to a purline assembling construction method, in particular to a purline assembling construction method of a bolt ball net rack.

Background

In order to better fulfill social responsibility, the factory and mine coal storage yard needs to be transformed in a totally-enclosed manner everywhere, wherein the most common structure is a bolt ball grid structure, and the outside enclosure of the grid is generally made of color steel plates which are fixed on the grid bolt ball through a main purlin, a secondary purlin and a purlin support.

The construction method for constructing the bolt ball net rack comprises an integral jacking method (an integral lifting method and an integral hoisting method) for assembling on the ground, bulk loading in place at high altitude, strip-dividing and block-dividing bulk loading in place, high-altitude sliding and in-place assembling and the like, wherein the bolt ball net rack is installed according to the high-altitude bulk loading method, and the specific construction method is disclosed in the prior art with the patent publication number of CN 102425326B.

At present, in the installation process, after the main structure of the bolt ball net rack is completed, the purlin supports and the main purlins are sequentially installed, the secondary purlins are installed after the main purlins are installed, and finally, the external enclosure is installed. By using the method to install the main purlin and the secondary purlin, the installation period of the purlin can be effectively shortened by half, and the efficiency is extremely high.

The invention provides a construction method for assembling a purline of a bolt ball net rack. The technical scheme adopted by the invention is as follows: a construction method for assembling a bolt ball net rack purline is constructed according to the following steps: the method comprises the following steps: a preparation stage; firstly, checking and accepting the bolt ball and the rod piece, and then arranging a control net; step two: the bolt ball net rack is installed in a high-altitude bulk mode; step three: assembling a frame for fixing the color steel plate outside the bolt ball net rack; the first step is as follows: determining the distance length between two horizontally adjacent bolt balls on the bolt ball grid frame and the distance length between two vertically adjacent bolt balls;

the second step is that: determining the length and width of the unit frame; the third step: installing a unit frame, wherein the unit frame comprises a main purline and a secondary purline, the secondary purline and the main purline are fixed through purline supports, and the unit frame forms a herringbone structure after being installed; the fourth step: the purlin supports are installed on corresponding bolt balls by overhead workers and connected with main purlins, and the distance between every two horizontal unit frames is reserved; the fifth step; after the complete unit frames are installed, a corresponding number of secondary purlins are installed between every two adjacent unit frames;

step four: and after the net rack is installed, installing the color steel plate. Preferably, in the third step, the unit frames are installed on the ground, each unit frame includes 2 main purlins and 3 secondary purlins, and each secondary purlin is fixed to the main purlins through purlin supports by bolts.

Preferably, 5 groups of through holes are arranged on the side surface of the main purline at equal intervals, 2 groups of through holes on the main purline, which are positioned at the front end and the rear end of the side surface, are fixed on the bolt ball through purlin supports, and 3 groups of through holes on the main purline, which are positioned at the middle position on the side surface, are fixed on the secondary purline through purlin supports and bolts.

Preferably, 4 groups of through holes are formed in the secondary purlins, and 2 groups of through holes respectively positioned at two end parts of the secondary purlins are fixed on the through holes of the main purlins through purlin supports by bolts; the secondary purlins are located above the main purlins, and the distance from each secondary purlin to the end of each main purlin is smaller than the distance between every two adjacent secondary purlins. Compared with the prior art: according to the invention, the main purlines and the secondary purlines are assembled into the unit frame on the ground to form a herringbone structure, the unit frame is conveyed to an installation part by using a crane, and the two ends of the main purlines are fixed on corresponding bolt balls by using bolts through purlin supports by overhead workers; after the complete unit frame is installed, secondary purlins are installed between two adjacent unit frames, the secondary purlins are fixed on the main purlins on the two unit frames through purlin supports by bolts, the secondary purlins can be installed by only two persons, and the working efficiency is greatly improved; secondly, because the unit frame is also assembled on the ground, the safety problem of operators is reduced on one hand, and the working efficiency is improved on the other hand.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a unit frame in a purline assembly construction method for a bolt ball grid structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a unit frame high-altitude assembling structure in the purline assembling construction method for the bolt ball net rack provided by the embodiment of the invention;

fig. 3 is a schematic structural view of a main purlin and a purlin bracket in a unit frame according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a secondary purline in the construction method for assembling the bolt ball grid purlines according to the embodiment of the invention.

Detailed Description

In order to make the objects, technical schemes and advantages of the invention clearer, the high-altitude splicing construction method of the bolt-sphere net rack provided by the invention is further explained below by combining the attached drawings and specific examples.

In the description of the present invention, it should be noted that the terms "horizontal", "vertical" and the like do not mean that the components are absolutely required to be horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The construction method for assembling the purlines of the bolt ball net rack is characterized by comprising the following steps: the method comprises the following steps: a preparation stage;

firstly, checking and accepting the bolt ball and the rod piece, and then arranging a control net;

step two: the bolt ball net rack is installed in a high-altitude bulk mode;

step three: assembling a frame for fixing the color steel plate outside the bolt ball net rack;

the first step is as follows: determining the distance length between two horizontally adjacent bolt balls on the bolt ball grid frame and the distance length between two vertically adjacent bolt balls;

the second step is that: determining the length and width of the unit frame 1;

the third step: installing a unit frame 1, wherein the unit frame 1 comprises a main purline 2 and a secondary purline 3, the secondary purline 3 and the main purline 2 are fixed through a purline support 4, and the unit frame 1 forms a herringbone structure after being installed;

the fourth step: the purlin supports 4 are installed on corresponding bolt balls and connected with main purlins 2 by overhead workers, and the distance of one unit frame 1 is reserved between two horizontal unit frames 1;

the fifth step; after the complete unit frames 1 are installed, a corresponding number of secondary purlins 3 are installed between every two adjacent unit frames 1;

step four: and after the net rack is installed, installing the color steel plate. It is further explained that

The control net in the first step is arranged according to the principle of convenient control, convenient storage and convenient use, and is generally arranged outside a construction site. The control net is the basis for the axis positioning of the bolt-ball net rack in the whole construction area. Therefore, except for the steel pipe fence isolation protection around the control net piles.

It should be further noted that in the second step, the bolt-ball net rack is installed by using an overhead bulk loading method, which is disclosed in the prior art with patent publication No. CN102425326B and is not described herein again.

It should be further noted that, in the second step, the length and width of the unit frame are determined according to the length of the distance between two laterally adjacent bolt balls and the length of the distance between two vertically adjacent bolt balls on the bolt ball grid in the first step.

Referring to fig. 1, 3 and 4, it should be further explained that, in the third step, the unit frames 1 are installed on the ground, each unit frame 1 includes 2 main purlins 2 and 3 secondary purlins 3, and each secondary purlin 3 is fixed to the main purlin 2 by bolts through a purlin bracket 4; the improved steel plate purlin structure is characterized in that 5 groups of through holes 5 are formed in the side surface of the main purlin 2 at equal intervals, 2 groups of through holes 5 at the front end and the rear end of the main purlin 2 on the side surface are fixed on a bolt ball through purlin supports 4, and 3 groups of through holes 5 in the middle position of the main purlin 2 on the side surface are fixed on a secondary purlin 3 through the purlin supports 4 through bolts.

Preferably, 4 groups of through holes 5 are formed in the secondary purline 3, and 2 groups of through holes 5 respectively positioned at two end parts of the secondary purline 3 are fixed on the through holes 5 of the main purline 2 through purline brackets 4 by bolts; and the secondary purlines 3 are positioned above the main purlines 1, and the distance length from the secondary purlines 3 to the end part of the main purline 2 is less than that of the two adjacent secondary purlines 3.

Referring to fig. 2, in the fourth step, the unit frames 1 are transported to the installation site by using a crane, and the high-altitude worker installs the purlin brackets 4 on the corresponding bolt balls by using a wrench to be connected with the main purlins 2, so that the distance of one unit frame is reserved between the two horizontal unit frames 1.

According to the invention, the main purlines 2 and the secondary purlines 3 are assembled into the unit frame 1 on the ground and assembled into a structure shaped like a Chinese character 'ri', the unit frame 1 is conveyed to an installation part by using a crane, and the two ends of the main purlines 2 are fixed on corresponding bolt balls by using bolts through purline supports 4 by overhead workers; after the complete unit frame 1 is installed, the secondary purlines 3 are installed between two adjacent unit frames 1, and the secondary purlines 3 are fixed on the main purlines 1 on the two unit frames through the purline supports 4 by using bolts, so that the installation is easy, the installation of the secondary purlines 3 can be completed by only two persons, the demands of construction personnel are few, and the work efficiency is greatly improved; secondly, because the unit frame is also assembled on the ground, the safety problem of operators is reduced on one hand, and the working efficiency is improved on the other hand.

The assembly construction method can shorten the installation period of purlins in the original 25 working days to 12 working days.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.