CN112676727A - Processing technology of reinforced concrete civil air defense door frame - Google Patents
Processing technology of reinforced concrete civil air defense door frame Download PDFInfo
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- CN112676727A CN112676727A CN202011632574.2A CN202011632574A CN112676727A CN 112676727 A CN112676727 A CN 112676727A CN 202011632574 A CN202011632574 A CN 202011632574A CN 112676727 A CN112676727 A CN 112676727A
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Abstract
The invention discloses a processing technology of a reinforced concrete civil air defense door frame, which comprises the following steps: the processing technology of the reinforced concrete civil air defense door frame can simultaneously implement processing procedures on a plurality of processing platforms, and finally, products produced by each platform are spliced and formed, so that the production efficiency of the civil air defense door frame is greatly improved, and the production efficiency is improved by 2-3 times compared with that of the traditional production technology.
Description
Technical Field
The invention belongs to the technical field of civil air defense doors, and particularly relates to a processing technology of a reinforced concrete civil air defense door frame.
Background
The civil air defense door is the door of people's protection engineering access & exit, and the classification of civil air defense door is more bright, has ordinary list, biparting protective airtight door and sealed door, and multiple civil air defense equipment such as threshold list, biparting protective airtight door and sealed door of living, and the civil air defense door generally has concrete and two kinds of steel, and the civil air defense door size width is different as required, generally between 800mm to 2000mm, and the civil air defense door model has a lot of, and the civil air defense door mainly includes door frame and door leaf.
However, in the production process of the existing civil air defense door frame, all the processing procedures are operated one by one in sequence, the production efficiency is low, and the long-term development of enterprises cannot be met.
Disclosure of Invention
OBJECT OF THE INVENTION
The invention provides a processing technology of a reinforced concrete civil air defense door frame, and solves the technical problems that in the production process of the existing civil air defense door frame in the background art, all processing procedures are operated one by one in sequence, the production efficiency is low, and the long-term development of enterprises cannot be met.
Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a processing technology of a reinforced concrete civil air defense door frame comprises the following steps:
preparing materials, welding and forming by four guns, correcting, splicing frames, assembling circular arcs, assembling hinge plates, welding and post-processing.
Further, the preparation of the stock material comprises the following steps:
preparing required materials, and formulating a door frame assembly general diagram;
4 lock holes are formed in two longitudinal lock hole angle steels according to the requirements of a drawing, and the space size between the two lock holes is ensured;
welding T16 bearing plates and T4 inclined flat steels of straight line segments on the transverse angle steels and the longitudinal lock hole angle steels on the four sides according to the drawing size and the requirements of process documents;
and cleaning the assembled platform to be constructed, and ensuring that the surface of the assembled platform is smooth and has no welding slag or salient points.
Further, the four-gun welding forming specifically comprises: and (3) supporting the 2 longitudinal lock hole angle steels and the 2 transverse angle steels by using wedge-shaped supporting blocks, and splicing and spot-welding on the platform.
Further, the correcting specifically includes: the width and height of the formed door frame are continuously corrected by using a square and a steel tape, the diagonal length of two opposite corners, the verticality deviation of adjacent edges and the planeness deviation are all in a specified tolerance range, the butt joints of the four frame angle steels are welded together as required, and the welded welding seams are polished to be flush with the surface of the door frame.
Further, the frame splicing method comprises the following steps:
filling and welding the two corner attaching plates with the inner edges of the door frame;
marking, namely calibrating the welding positions of the upper hinge plate and the lower hinge plate on the longitudinal lock hole angle steel on one side according to the size of a door frame assembly general diagram;
placing the upper hinge plate and the lower hinge plate in place according to the marking positions, performing spot welding, and performing filling welding connection with the longitudinal lock hole angle steel after confirming that the position size is correct;
and (4) polishing the welding seams, namely polishing the filling welding seams at the positions to be flush with the surface of the door frame.
Further, the arc installing step comprises the following steps:
marking lines by using an arc template, and marking the positions of a T16 arc plate and a T4 arc plate at the upper corner of the door frame;
welding T16 arc plates and T4 arc plates at two upper corners as required, spot welding, and performing strength welding after confirming no errors;
further, the hinge plate comprises the following steps:
horizontally placing the door frame on the assembly platform after overturning the plane of the door frame, and welding upper and lower transverse angle steels and longitudinal lock hole angle steels together according to requirements after rechecking the size of the inner opening of the door frame to be correct;
and welding the joints of the back of the hinge plate and the angle steel of the longitudinal lock hole together according to requirements.
The welding comprises the following steps:
welding the back surfaces of the two corner plates with the inner opening of the doorframe together according to requirements;
4 locking boxes at the locking holes of the angle steel with the longitudinal locking holes at two sides are welded according to requirements;
and 2 anchoring hooks on the upper edge frame and the upper side frame of the hinge plate and on the two side frames are welded respectively according to requirements.
Further, the post-processing comprises the following steps:
polishing a welding seam, and removing welding slag and splashes;
derusting the front surface of the doorframe;
checking, wherein the product is checked by an inspector, and the product number given by the inspector is qualified in check;
brushing iron red antirust primer on the inner and outer surfaces, warehousing after the paint is dried thoroughly, and horizontally stacking and storing.
Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the processing technology of the reinforced concrete civil air defense door frame designed by the invention can simultaneously implement processing procedures on a plurality of processing platforms, and finally, products produced by each platform are spliced and formed, so that the production efficiency of the civil air defense door frame is greatly improved, and the production efficiency is improved by 2-3 times compared with that of the traditional production technology.
Drawings
FIG. 1 is an overall assembly view of the present invention;
FIG. 2 is a schematic view of the present invention illustrating the welding of the support plate, the inclined flat steel and the angle steel of the door frame;
FIG. 3 is a schematic view of the welding of the T4 arc plate, the T16 arc plate, the support plate and the inclined flat steel according to the invention;
FIG. 4 is a schematic view of a back welding structure of the hinge plate and the door frame angle steel of the present invention;
fig. 5 is a schematic view of the welding of the locking box and the door lock angle steel of the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It is noted that the requirements specified for assembling the general picture process file are required in this application.
Referring to fig. 1 to 5, the present embodiment provides a processing technology of a reinforced concrete civil air defense door frame, including the following steps:
preparing materials: preparing required materials, and formulating a door frame assembly general diagram;
4 lockholes are formed in two pieces of longitudinal lockhole angle steel according to the requirements of drawings, and the space size between the two lockholes is ensured: h2 +/-2.0;
referring to fig. 2 again, T16 bearing plates and T4 inclined flat steels of straight line segments are welded on the four sides of the horizontal angle steel and the longitudinal lock hole angle steel according to the drawing size and the requirements of process documents;
all materials (including angle steel, hinge plate, bearing plate and inclined flat steel) are subjected to necessary self-inspection according to the external dimensions before assembly and welding, and construction is carried out after the materials are determined to be correct so as to avoid errors after welding.
And cleaning the assembled platform to be constructed, and ensuring that the surface of the assembled platform is smooth and has no welding slag or salient points.
Four-gun welding forming: according to the definition in the door frame assembly general diagram, 2 vertical lockhole angle steels and 2 horizontal angle steels are propped up with the wedge-shaped supporting shoe, the interior limit perpendicular to platform face of each angle steel, the another side level, the right angle mouth is outside, piece together the spot welding and take shape on the platform.
And (3) correction: continuously correcting the width and height of a formed door frame (inner opening), the diagonal length of two opposite corners, the verticality deviation of adjacent edges and the planeness deviation by using an angle square and a steel tape, welding the butt joints (comprising four longitudinal seams of the inner opening) of four frame angle steels together according to the requirements of a drawing and a process document, and polishing the surface of the welded welding seam to be flush with the surface of the door frame;
width of the door frame: b plus or minus 3.0; the height H plus or minus 3.0 of the door frame; diagonal line of the door frame: s plus or minus 4.0; perpendicularity of adjacent edges: less than or equal to 2.0; the flatness of the door frame is less than or equal to 2.5.
Splicing frames: filling and welding the two corner attaching plates with the inner edges of the door frame;
marking, namely calibrating the welding positions of an upper hinge plate and a lower hinge plate on a longitudinal lock hole angle steel on one side (which side can be determined by a left opening door leaf and a right opening door leaf) according to the size of a door frame assembly general diagram;
placing the upper hinge plate and the lower hinge plate in place according to the marking positions, performing spot welding, and performing filling welding connection with the longitudinal lock hole angle steel after confirming that the position size is correct;
hinge plate spacing: h1 + -1.5 (+ -2.0); the distance between the lock holes: h2 + -2.0 (+ -3.0); distance from the central line of the hinge plate to the inner opening of the door frame: b1 ± 2.0 (± 2.5);
polishing a welding seam: polishing the filling welding seams at the positions to be flush with the surface of the door frame;
arc installation: marking out lines by using an arc template, and marking the positions of a T16 arc plate and a T4 arc plate at the upper corner of the door frame
As shown in fig. 3, welding T16 arc plates and T4 arc plates at two upper corners according to the requirements of drawings and process documents, performing spot welding, and performing strength welding after the correctness is confirmed;
the door frame is turned over and is horizontally placed on the assembly platform, and after the size of an inner opening of the door frame is rechecked, the upper and lower transverse angle steels and the longitudinal lock hole angle steel are welded together according to requirements;
as in fig. 4, hinge plate: welding the hinge plate (back) and the joint of the longitudinal lock hole angle steel together according to requirements;
the two corner plates (back surfaces) are welded with the inner opening of the door frame according to requirements.
As shown in fig. 5, 4 locking boxes at the locking holes of the angle steel with the longitudinal locking holes at two sides are welded according to requirements;
and 2 anchoring hooks on the upper edge frame and the upper side frame of the hinge plate and on the two side frames are welded respectively according to requirements.
The post-treatment comprises the following steps: polishing a welding seam, and removing welding slag and splashes;
derusting the front surface of the doorframe;
checking, wherein the product is checked by an inspector, the product number given by the inspector is qualified, and the corresponding steel character code (namely the product number) is knocked on the door frame by the processing team at the designated position;
brushing iron red anti-rust primer on the inner and outer surfaces, brushing corners, drying the paint thoroughly, warehousing, and horizontally stacking for storage.
The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The processing technology of the reinforced concrete civil air defense door frame is characterized by comprising the following steps:
preparing materials, welding and forming by four guns, correcting, splicing frames, assembling circular arcs, assembling hinge plates, welding and post-processing.
2. The processing technology of the reinforced concrete civil air defense door frame as claimed in claim 1, wherein the preparation of the stock material comprises the following steps:
preparing required materials, and formulating a door frame assembly general diagram;
4 lock holes are formed in two longitudinal lock hole angle steels according to the requirements of a drawing, and the space size between the two lock holes is ensured;
welding T16 bearing plates and T4 inclined flat steels of straight line segments on the transverse angle steels and the longitudinal lock hole angle steels on the four sides as required; and cleaning the assembled platform to be constructed, and ensuring that the surface of the assembled platform is smooth and has no welding slag or salient points.
3. The processing technology of the reinforced concrete civil air defense door frame as claimed in claim 1, wherein the four-gun welding forming specifically comprises: and (3) supporting the 2 longitudinal lock hole angle steels and the 2 transverse angle steels by using wedge-shaped supporting blocks, and splicing and spot-welding on the platform.
4. The processing technology of the reinforced concrete civil air defense door frame as claimed in claim 1, wherein the correction specifically comprises: the width and height of the formed door frame are continuously corrected by using a square and a steel tape, the diagonal length of two opposite corners, the verticality deviation of adjacent edges and the planeness deviation are all in a specified tolerance range, the butt joints of the four frame angle steels are welded together as required, and the welded welding seams are polished to be flush with the surface of the door frame.
5. The processing technology of the reinforced concrete civil air defense door frame according to the claim 1, characterized in that the frame splicing comprises the following steps:
filling and welding the two corner attaching plates with the inner edges of the door frame;
marking, namely calibrating the welding positions of the upper hinge plate and the lower hinge plate on the longitudinal lock hole angle steel on one side according to the size of a door frame assembly general diagram;
placing the upper hinge plate and the lower hinge plate in place according to the marking positions, performing spot welding, and performing filling welding connection with the longitudinal lock hole angle steel after confirming that the position size is correct;
and (4) polishing the welding seams, namely polishing the filling welding seams at the positions to be flush with the surface of the door frame.
6. The processing technology of the reinforced concrete civil air defense door frame as claimed in claim 1, wherein the arc installation comprises the following steps:
marking lines by using an arc template, and marking the positions of a T16 arc plate and a T4 arc plate at the upper corner of the door frame;
welding T16 arc plates and T4 arc plates at two upper corners as required, spot welding, and performing strength welding after confirming no errors.
7. The process for manufacturing reinforced concrete civil air defense door frames according to claim 1, wherein the hinge plate comprises the following steps:
horizontally placing the door frame on the assembly platform after overturning the plane of the door frame, and welding upper and lower transverse angle steels and longitudinal lock hole angle steels together according to requirements after rechecking the size of the inner opening of the door frame to be correct;
and welding the joints of the back of the hinge plate and the angle steel of the longitudinal lock hole together according to requirements.
8. The processing technology of the reinforced concrete civil air defense door frame according to claim 1, characterized in that: the welding comprises the following steps:
welding the back surfaces of the two corner plates with the inner opening of the doorframe together according to requirements;
4 locking boxes at the locking holes of the angle steel with the longitudinal locking holes at two sides are welded according to requirements;
and 2 anchoring hooks on the upper edge frame and the upper side frame of the hinge plate and on the two side frames are welded respectively according to requirements.
9. The processing technology of the reinforced concrete civil air defense door frame according to claim 1, characterized in that: the post-treatment comprises the following steps:
polishing a welding seam, and removing welding slag and splashes;
derusting the front surface of the doorframe;
checking, wherein the product is checked by an inspector, and the product number given by the inspector is qualified in check;
brushing iron red antirust primer on the inner and outer surfaces, warehousing after the paint is dried thoroughly, and horizontally stacking and storing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011632574.2A CN112676727A (en) | 2020-12-31 | 2020-12-31 | Processing technology of reinforced concrete civil air defense door frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011632574.2A CN112676727A (en) | 2020-12-31 | 2020-12-31 | Processing technology of reinforced concrete civil air defense door frame |
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| CN112676727A true CN112676727A (en) | 2021-04-20 |
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| CN202011632574.2A Pending CN112676727A (en) | 2020-12-31 | 2020-12-31 | Processing technology of reinforced concrete civil air defense door frame |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565410A (en) * | 2021-08-17 | 2021-10-29 | 广东袁义人防科技有限公司 | Corner steel piece, civil air defense door frame, manufacturing method of civil air defense door frame and civil air defense door |
| CN113585930A (en) * | 2021-08-17 | 2021-11-02 | 广东袁义人防科技有限公司 | Civil air defense door frame, assembling method thereof and civil air defense door |
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| CN105804611A (en) * | 2016-05-03 | 2016-07-27 | 胡圣伟 | Civil air defense door with reinforced concrete structure |
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| CN110524166A (en) * | 2019-08-02 | 2019-12-03 | 潜山县九鼎精密机械有限公司 | Platform is made in a kind of people's air defense door frame recruitment quickly spliced |
| CN111005655A (en) * | 2019-12-13 | 2020-04-14 | 陕西鑫邦实业发展有限公司 | Concrete civil air defense door and processing technology |
| CN112139826A (en) * | 2020-09-25 | 2020-12-29 | 广西农业机械研究院有限公司 | Civil air defense door frame automation line |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH649488A5 (en) * | 1979-09-04 | 1985-05-31 | Hoermann Kg | WELDING JOINT. |
| CN105804611A (en) * | 2016-05-03 | 2016-07-27 | 胡圣伟 | Civil air defense door with reinforced concrete structure |
| CN109664074A (en) * | 2018-12-24 | 2019-04-23 | 惠州市人防防护设备有限公司 | A kind of people's air defense doorframe production method |
| CN110524166A (en) * | 2019-08-02 | 2019-12-03 | 潜山县九鼎精密机械有限公司 | Platform is made in a kind of people's air defense door frame recruitment quickly spliced |
| CN111005655A (en) * | 2019-12-13 | 2020-04-14 | 陕西鑫邦实业发展有限公司 | Concrete civil air defense door and processing technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565410A (en) * | 2021-08-17 | 2021-10-29 | 广东袁义人防科技有限公司 | Corner steel piece, civil air defense door frame, manufacturing method of civil air defense door frame and civil air defense door |
| CN113585930A (en) * | 2021-08-17 | 2021-11-02 | 广东袁义人防科技有限公司 | Civil air defense door frame, assembling method thereof and civil air defense door |
| CN113585930B (en) * | 2021-08-17 | 2023-10-20 | 广东袁义人防科技有限公司 | Civil air defense door frame and assembling method thereof, and civil air defense door |
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Application publication date: 20210420 |
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