阅读说明：本技术 一种设备基础地脚螺栓预留孔的施工方法及其应用结构 (Construction method of equipment foundation bolt preformed hole and application structure thereof ) 是由 胡爱新 李洪杰 王晓页 陆吉耀 于 2020-06-09 设计创作，主要内容包括：本发明公开了一种设备基础地脚螺栓预留孔的施工方法及其应用结构,涉及石油化工工程施工技术领域；施工方法包括螺纹棒及螺纹棒固定架的准备工序和应用螺纹棒的施工工序,其中应用螺纹棒的施工工序包括布置螺纹棒-固定螺纹棒-调整螺纹棒预埋深浅-检查螺纹棒-对螺纹棒表面润湿处理-设备基础浇筑混凝土-取出螺纹棒-清理地脚螺栓预留孔；通过实施本技术方案,应用螺纹棒来施工设备基础地脚螺栓预留孔,以克服传统施工方法采用临时木模板支护方法存在安装不便、拆除破坏性大且成型质量差的技术缺陷,采用螺纹棒施工方法简单快捷,选材广泛,容易获得,在施工应用中安全可靠,成型质量好,一次施工完成后的螺纹棒还能够重复使用,节约成本。(The invention discloses a construction method of a device foundation bolt preformed hole and an application structure thereof, relating to the technical field of petrochemical engineering construction; the construction method comprises a preparation process of the threaded rod and the threaded rod fixing frame and a construction process of applying the threaded rod, wherein the construction process of applying the threaded rod comprises the steps of arranging the threaded rod, fixing the threaded rod, adjusting the embedded depth of the threaded rod, checking the threaded rod, carrying out surface wetting treatment on the threaded rod, pouring concrete on an equipment foundation, taking out the threaded rod, and cleaning a reserved hole of an anchor bolt; through implementing this technical scheme, use the screw rod to come construction equipment basis rag bolt preformed hole to overcome traditional construction method and adopt interim plank sheathing supporting method to have the technical defect that the installation is inconvenient, demolish the destructiveness big and the shaping quality is poor, adopt screw rod construction method simple swift, the material selection is extensive, the easy acquisition, safe and reliable in construction is used, the shaping is of high quality, the screw rod after once being under construction the completion can also used repeatedly, practices thrift the cost.)

1. A construction method of a reserved hole of an equipment foundation bolt is characterized by comprising the following steps: the construction method comprises the following steps:

step one, a preparation process of a threaded rod and a threaded rod fixing frame: selecting parameters of a threaded rod, namely selecting the size parameters of the threaded rod including the hole diameter and the depth according to the type of a reserved hole of a prefabricated bolt; selecting a threaded rod fixing frame matched with the threaded rod according to the size parameter of the threaded rod;

step two, applying a construction process of the threaded rod:

step S1, arranging a threaded rod: arranging threaded rods according to the positions and the number of reserved holes of foundation bolts of the equipment foundation in a foundation diagram of civil engineering equipment, wherein one threaded rod corresponds to one reserved hole of each foundation bolt;

step S2, fixing the screw: fixing the threaded rods by utilizing a threaded rod fixing frame according to the positions of the reserved holes of the foundation bolts so as to fix the threaded rods in rows or fix the threaded rods singly;

step S3, adjusting the pre-buried depth of the threaded rod: adjusting the pre-buried depth of the threaded rod according to the depth of the reserved hole of the foundation bolt;

step S4, checking the threaded rod: after the arrangement of the threaded rods, one-time comprehensive inspection is required: checking whether the position, the number, the verticality and the pre-buried depth of the threaded rods meet the requirements or not;

step S5, surface wetting treatment of the threaded rod: before concrete pouring, wetting the outer surfaces of all the threaded rods by using water so as to take out the threaded rods conveniently;

step S6, pouring concrete on the equipment foundation;

step S7, taking out the screw: when the poured concrete is in initial setting, taking out the threaded rod in a manner of rotating the threaded rod; after the concrete is slowly solidified, the reserved hole of the foundation bolt is solidified to form;

step S8, cleaning a reserved hole of the foundation bolt: and after the threaded rod is taken out, checking and cleaning concrete falling in the reserved hole of the foundation bolt, and then sealing the hole for the next working procedure.

2. The construction method of the equipment foundation anchor bolt prepared hole according to claim 1, characterized in that: in the first step, the selected threaded rod is provided with right-handed trapezoidal threads, and the threaded rod fixing frame is provided with an internal thread hole matched with the right-handed trapezoidal threads, so that the threaded rod rotates clockwise along the internal thread hole of the threaded rod fixing frame to be screwed in, and the threaded rod rotates anticlockwise along the internal thread hole of the threaded rod fixing frame to be taken out.

3. The construction method of the equipment foundation anchor bolt prepared hole according to claim 2, characterized in that: the selected parameters of the threaded rod are as follows:

the outer diameter of the thread is D1, and D1 is (D +38) mm, wherein D is the diameter of a reserved hole of the prefabricated bolt;

the pitch diameter of the thread is D2, and D2 is (D +8) mm;

id 3, and d3 ═ d (mm);

the thread height is h1, and h1 is 15 mm;

the lead angle is phi, and phi is 8.15 degrees;

the pitch is P, and P is 40 mm;

the length of the threaded rod is H, and H is (H +220) mm; wherein h is the depth of the reserved hole of the prefabricated bolt.

4. The construction method of the equipment foundation anchor bolt prepared hole according to claim 1, characterized in that: the construction process of the threaded rod in the second step is applied to a formwork supporting link in equipment foundation construction, and comprises the steps S1 to S8, and further comprises the step S9 of cleaning the threaded rod: and cleaning the taken out threaded rod for reuse in the next construction.

5. The construction method of the equipment foundation anchor bolt prepared hole according to claim 4, characterized in that: and fixing the threaded rod in the step S2, firstly supporting the threaded rod fixing frame on temporary steel bars or battens, binding two ends of the threaded rod fixing frame by using iron wires, and then screwing the threaded rod into an internal thread hole reserved on the threaded rod fixing frame.

6. The construction method of the equipment foundation anchor bolt prepared hole according to claim 5, wherein: and in the step S3, adjusting the pre-buried depth of the threaded rod so as to rotate the threaded rod clockwise according to the scale value set on the threaded rod to deepen the pre-buried depth and rotate the threaded rod counterclockwise to shalow the pre-buried depth.

7. The utility model provides an application structure in equipment basis rag bolt preformed hole which characterized in that: the construction method applied to the equipment foundation bolt preformed hole of any one of claims 1 to 6, comprising a threaded rod and a threaded rod fixing frame; wherein

The outer diameter of the threaded rod is not smaller than the diameter of the bolt preformed hole, and the length of the threaded rod is larger than the depth of the bolt preformed hole;

the threaded rod fixing frame comprises a fixing portion and extending portions, wherein the extending portions are arranged at two ends of the fixing portion and symmetrically arranged about the fixing portion, the thickness of the fixing portion is larger than that of the extending portions, and an internal thread hole matched with the threaded rod is formed in the thickness direction of the fixing portion.

8. The application structure of the equipment foundation bolt prepared hole according to claim 7, characterized in that: the threaded rod is arranged in a hollow mode, and the bottom of the threaded rod is provided with an exhaust hole communicated with the atmosphere.

9. The application structure of the equipment foundation bolt prepared hole according to claim 7, characterized in that: and a screwing-out jack is arranged at the upper end of the threaded rod so that the threaded rod can be taken out through the screwing-out jack.

10. The application structure of the equipment foundation bolt prepared hole according to claim 7, characterized in that: the material of the threaded rod is selected from one of plastic, carbon steel or stainless steel.

Technical Field

The invention relates to the technical field of petrochemical engineering construction, in particular to a construction method of a foundation bolt preformed hole of an equipment foundation and an application structure thereof.

Background

In the construction of petrochemical engineering projects, a large number of equipment foundations (civil engineering) need to be constructed, and equipment foundation bolt holes need to be reserved generally in the construction of concrete foundations. The traditional construction method comprises the following steps: and (3) making a foundation bolt preformed hole mould by using a wooden template on site, pre-embedding before concrete pouring, and breaking and taking out after the concrete is solidified.

However, in the process of implementing the embodiment of the present invention, the inventor of the present application finds that the conventional construction method has at least the following technical problems: the foundation bolt preformed holes of the equipment are large in number, a wooden preformed hole die needs to be manufactured independently for each preformed hole, and auxiliary workload is large; secondly, the bolt preformed hole mold needs to be destructively disassembled when taken out, the disassembling workload is large, and the mold cannot be reused; due to the fact that the on-site temporary customized molds are uneven, the size and the depth of the foundation bolt hole after construction forming are not standard, the quality is different, and the forming quality is poor.

Disclosure of Invention

In view of the technical problems, the invention aims to provide a construction method for a foundation bolt preformed hole of an equipment foundation, which aims to apply a threaded rod to construct the foundation bolt preformed hole of the equipment foundation so as to overcome the technical defects of inconvenient installation, high demolition destructiveness and poor forming quality of a temporary wood formwork supporting method adopted in the traditional construction method.

The technical scheme adopted by the invention is as follows:

a construction method of a reserved hole of an equipment foundation bolt comprises the following steps:

step one, a preparation process of a threaded rod and a threaded rod fixing frame: selecting parameters of a threaded rod, namely selecting the size parameters of the threaded rod including the hole diameter and the depth according to the type of a reserved hole of a prefabricated bolt; selecting a threaded rod fixing frame matched with the threaded rod according to the size parameter of the threaded rod;

step two, applying a construction process of the threaded rod:

step S1, arranging a threaded rod: arranging threaded rods according to the positions and the number of reserved holes of foundation bolts of the equipment foundation in a foundation diagram of civil engineering equipment, wherein one threaded rod corresponds to one reserved hole of each foundation bolt;

step S2, fixing the screw: fixing the threaded rods by utilizing a threaded rod fixing frame according to the positions of the reserved holes of the foundation bolts so as to fix the threaded rods in rows or fix the threaded rods singly;

step S3, adjusting the pre-buried depth of the threaded rod: adjusting the pre-buried depth of the threaded rod according to the depth of the reserved hole of the foundation bolt;

step S4, checking the threaded rod: after the arrangement of the threaded rods, one-time comprehensive inspection is required: checking whether the position, the number, the verticality and the pre-buried depth of the threaded rods meet the requirements or not;

step S5, surface wetting treatment of the threaded rod: before concrete pouring, wetting the outer surfaces of all the threaded rods by using water so as to take out the threaded rods conveniently;

step S6, pouring concrete on the equipment foundation;

step S7, taking out the screw: when the poured concrete is in initial setting, taking out the threaded rod in a manner of rotating the threaded rod; after the concrete is slowly solidified, the reserved hole of the foundation bolt is solidified to form;

step S8, cleaning a reserved hole of the foundation bolt: and after the threaded rod is taken out, checking and cleaning concrete falling in the reserved hole of the foundation bolt, and then sealing the hole for the next working procedure.

As preferred scheme, in step one, select the screw thread stick has dextrorotation trapezoidal thread, the screw thread stick mount have with the internal thread hole of dextrorotation trapezoidal thread looks adaptation to make the screw thread stick follow the internal thread hole clockwise rotation of screw thread stick mount be the screw in, the screw thread stick is rotatory for taking out along the internal thread hole anticlockwise of screw thread stick mount, the installation of the screw thread stick of being convenient for and taking out, and the screw thread stick adopts dextrorotation trapezoidal thread to be connected with the cooperation of screw thread stick mount, better connection stability and reliability have in the work progress, so equipment basis rag bolt preformed hole shaping is effectual.

As a preferred scheme, the selected parameters of the threaded rod are as follows:

the outer diameter of the thread is D1, and D1 is (D +38) mm, wherein D is the diameter of a reserved hole of the prefabricated bolt;

the pitch diameter of the thread is D2, and D2 is (D +8) mm;

id 3, and d3 ═ d (mm);

the thread height is h1, and h1 is 15 mm;

the lead angle is phi, and phi is 8.15 degrees;

the pitch is P, and P is 40 mm;

the length of the threaded rod is H, and H is (H +220) mm; wherein h is the depth of the reserved hole of the prefabricated bolt.

Preferably, the second step of the construction process of the threaded rod is applied to a formwork supporting link in the construction of an equipment foundation, and the method comprises the steps of S1 to S8, and further comprises the step of S9, cleaning the threaded rod: the threaded rod after taking out is cleaned up, so that the threaded rod can be repeatedly used for construction next time, construction of the reserved hole of the foundation bolt of the equipment foundation can be carried out by repeatedly utilizing the threaded rod, the construction period is shortened, the construction cost is saved, and meanwhile, the forming quality of the reserved hole of the foundation bolt of the equipment foundation can be effectively guaranteed.

Preferably, the threaded rod is fixed in step S2, the threaded rod fixing frame is firstly supported on the temporary steel bar or the batten, the iron wire is used to tie up two ends of the threaded rod fixing frame, and then the threaded rod is screwed into the internal threaded hole reserved on the threaded rod fixing frame.

Preferably, in the step S3, the pre-buried depth of the threaded rod is adjusted, so that the threaded rod is rotated clockwise to adjust the pre-buried depth according to the scale value set on the threaded rod, and the threaded rod is rotated counterclockwise to adjust the pre-buried depth.

On the other hand, the invention also provides an application structure of the foundation bolt preformed hole of the equipment foundation, which is applied to the construction method of the foundation bolt preformed hole of the equipment foundation and comprises a threaded rod and a threaded rod fixing frame; wherein

The outer diameter of the threaded rod is not smaller than the diameter of the bolt preformed hole, and the length of the threaded rod is larger than the depth of the bolt preformed hole;

the threaded rod fixing frame comprises a fixing portion and extending portions, wherein the extending portions are arranged at two ends of the fixing portion and symmetrically arranged about the fixing portion, the thickness of the fixing portion is larger than that of the extending portions, and an internal thread hole matched with the threaded rod is formed in the thickness direction of the fixing portion.

Preferably, the threaded rod is arranged in a hollow mode, and the bottom of the threaded rod is provided with an exhaust hole communicated with the atmosphere. So at the in-process of taking out the screw thread stick, can effectively utilize in the balanced rag bolt of exhaust hole reserved hole with external atmospheric pressure, avoid causing the negative pressure and be difficult to the problem of taking out the screw thread stick, this structural design is ingenious reasonable.

Preferably, the upper end of the threaded rod is provided with a screwing-out insertion hole, so that the threaded rod can be inserted into the screwing-out insertion hole through a steel bar or other structural members, and can be taken out through the screwing-out insertion hole, and the threaded rod can be taken out conveniently.

Preferably, the material of the threaded rod is selected from one of plastic, carbon steel or stainless steel, wherein the threaded rod made of the plastic material is low in cost, but the carbon steel or the stainless steel is more durable in construction and is selected according to a specific construction process.

As described above, the present invention has at least the following advantages over the prior art:

1. the construction method of the foundation bolt preformed hole of the equipment foundation can effectively overcome the technical defects of inconvenient installation, large demolition destructiveness and poor forming quality of a temporary wood formwork supporting method adopted in a traditional construction method, has simple and quick process operation, can effectively improve the construction progress, applies the threaded rod to construct the foundation bolt preformed hole of the equipment foundation, can effectively avoid destructive demolition when the threaded rod is taken out, and has good forming quality of the bolt preformed hole.

2. The threaded rod is provided with the threaded rod fixing frame, the structure is simple, the material selection is wide, the acquisition is easy, the threaded rod and the threaded rod fixing frame are in threaded fit connection, the mounting position is accurate, the verticality of the threaded rod and the threaded rod fixing frame can be effectively guaranteed, the connection stability and the reliability are better in the construction process, and therefore the forming quality of the foundation bolt preformed hole of the equipment foundation is further improved.

3. In the construction process applying the threaded rod, the surface of the threaded rod is subjected to wetting treatment before the threaded rod is taken out, so that the outer surface of the threaded rod and the concrete at the initial setting stage have a lubricating effect, the threaded rod can be conveniently taken out in a manner of rotating the threaded rod, and the forming quality of the foundation bolt preformed hole of the equipment foundation is further ensured.

4. The application structure of the foundation bolt preformed hole of the equipment foundation can be repeatedly used after the construction is finished, the utilization rate is high, the construction cost can be obviously saved, the physical dimensions of all the preformed holes meet the design requirements after rechecking, and the foundation bolt preformed hole of the equipment foundation manufactured by the construction method has high hole forming quality and is clean in the hole.

In conclusion, the method for constructing the foundation bolt of the deep-type rotary trapezoidal-shaped equipment adopts the threaded rod to replace a wood mold, can overcome the defects in the traditional construction method, can greatly save construction materials and labor cost in an engineering field, reduce repetitive labor, improve working efficiency, and can manufacture the foundation bolt preformed hole of the deep-type rotary trapezoidal-shaped equipment as required, and the threaded rod used for construction has the advantages of simple structure, wide material selection, easy obtaining and the like; more importantly, the application structure can not cause destructive demolition in construction application, and has the advantages of safety, reliability, simple and rapid operation method, good molding quality, better effect after secondary grouting and the like; after the construction is finished, the threaded rod can be reused, the engineering market demand is large, the popularization is strong, and a better economic value can be created, so that the construction cost of enterprises is remarkably saved, and the application prospect and the popularization and use value are good.

Drawings

The invention will be described by way of specific embodiments and with reference to the accompanying drawings, in which

FIG. 1 is a schematic illustration of an installation of an application structure of a prepared hole of an foundation bolt of an exemplary apparatus of the present invention;

FIG. 2 is a schematic diagram of an application structure of a prepared hole of an foundation bolt of an exemplary apparatus of the present invention;

FIG. 3 is a schematic view of the threaded rod of FIG. 2 in an exemplary embodiment of the present invention;

fig. 4 is a schematic view of the threaded rod fixture of fig. 2 in an exemplary embodiment of the present invention.

Description of reference numerals: 1-a threaded rod; 11-an exhaust hole; 12-screwing out the jack; 2-a threaded rod fixing frame; 21-a fixed part; 22-an extension; 23-an internally threaded hole; 3-temporary reinforcing steel bars; 4-template; 5-a base surface; 6-concrete.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.