CN115892382A - Dredging and logging guide rail set installation process - Google Patents
Dredging and logging guide rail set installation process Download PDFInfo
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- CN115892382A CN115892382A CN202310038032.XA CN202310038032A CN115892382A CN 115892382 A CN115892382 A CN 115892382A CN 202310038032 A CN202310038032 A CN 202310038032A CN 115892382 A CN115892382 A CN 115892382A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to the field of water depth measurement systems, in particular to a dredging and well logging guide rail set installation process which comprises the steps of installing and positioning steel wires, installing a guide rail body and connecting the guide rail body. Whether the guide rail body is in the preset position can be judged quickly by measuring whether the distance between the positioning steel wire and the first extension part and the distance between the positioning steel wire and the guide rail are equal or not, and therefore the positioning steel wire does not need to be detached in the installation process, and an operator can detect the position of the guide rail body at any time. Realize in proper order through quartic welding that the second bracket is temporarily fixed, with the first bracket and the second bracket at guide rail body both ends fixed, completely fixed with the second bracket, fixed with remaining first bracket on the guide rail body, all can measure the position of first extension, second extension through the location steel wire before welding at every turn, adjust the position of guide rail body in real time, avoid unable in time discovering the levelness of guide rail body, mounted position skew.
Description
Technical Field
The invention relates to the field of water depth measurement systems, in particular to a dredging logging guide rail set installation process.
Background
The bow of the drag suction dredger is generally provided with two groups of dredging and surveying integrated systems which are bilaterally symmetrical and are composed of a dredging and surveying robot and a dredging and surveying well, and the dredging and surveying integrated systems are used for the dredging and surveying work related to a navigation channel. The dredging and logging robot is powered by a winch system above the dredging and logging to move up and down along the guide rail sets of the dredging and logging, wherein three guide rail sets are arranged in each dredging and logging, and each guide rail set is formed by splicing a plurality of dredging and logging guide rails with the same specification along the axial direction.
In the existing installation process, each guide rail group needs to be provided with four positioning steel wires which are 0.2mm away from the guide rail group, so that in order to avoid the influence of the positioning steel wires on the welding of the dredging logging guide rail, the positioning steel wires need to be detached firstly before the welding, and the real-time measurement on the dredging logging guide rail cannot be carried out in the welding process.
Disclosure of Invention
Based on the method, the invention provides a dredging logging guide rail group installation process capable of measuring the dredging logging guide rail in real time in the welding process.
The technical scheme of the invention is as follows: a dredging and logging guide rail set installation process comprises a guide rail body, a first toggle plate, a second toggle plate and a positioning steel wire, wherein a plurality of guide rail bodies are sequentially spliced along the axial direction, the guide rail body comprises a first extension part and a second extension part which are perpendicular to each other, the first toggle plate is fixed on the outer peripheral side of the guide rail body, the second toggle plate is fixed on the inner wall of a dredging and logging device, the positioning steel wire is arranged on a straight line where an angular bisector of the first extension part and the second extension part is located, the distances between the positioning steel wire and the end parts of the first extension part and the second extension part are respectively L1 and L2, and L1 is more than 5mm and less than 1mm, L2 is more than 5mm and less than 10mm, and L2 is more than 5mm and less than 10mm.
The installation process based on the dredging logging guide rail comprises the steps of installing and positioning steel wires, installing a guide rail body and connecting the guide rail body, wherein:
installing the positioning steel wire comprises installing the positioning steel wire on a straight line where angular bisectors of the first extension part and the second extension part are located according to the preset position and the angle of the guide rail body, enabling the distance between the positioning steel wire and the end parts of the first extension part and the second extension part to meet the requirements of L1 and L2, and vertically welding the positioning steel wire to the bottom of the well.
The guide rail body is installed by selecting one guide rail body, a plurality of first toggle plates are fixed on the axial periphery side of the guide rail body, one first toggle plate is arranged at each of two ends of the guide rail body, the second toggle plate corresponds to the first toggle plate through welding for the first time and welding for the well wall, one guide rail body is hung in the well, the guide rail body is sequentially connected with the well bottom or the other guide rail body along the axial direction, the first toggle plates and the second toggle plates at the two ends of the guide rail body are welded for the second time, after the relative positions of the guide rail body and the positioning steel wires are adjusted and confirmed to be qualified, the second toggle plates are fixed with the well wall through welding for the third time, the rest first toggle plates and the rest second toggle plates are fixed through welding for the fourth time, and the steps are repeated until all the guide rail bodies are sequentially connected along the axial direction.
The connecting guide rail body comprises a step of detecting that the positions of the guide rail body, the first toggle plate, the second toggle plate and the positioning steel wire meet the technical requirements, and a fifth welding connection is adopted between every two guide rail bodies.
Optionally, the top end of the positioning steel wire penetrates through the top end of the guide rail body close to one end of the wellhead by 500-1000mm.
Optionally, before the first welding, the distance between the second toggle plate and the well wall is D1, and D1 is greater than 0 and less than or equal to 1mm.
Optionally, when the rest of the guide rail bodies are installed in the step, the interval between two adjacent guide rail bodies is 4-6mm.
Optionally, the dredging and logging guide rail group further comprises a ceramic liner, and the ceramic liner is sleeved on the outer peripheral side of the joint of two adjacent guide rail bodies.
Optionally, a machining groove is formed between two adjacent guide rail bodies, and an included angle formed in the axial direction of the machining groove is 25-35 °.
Optionally, the first welding mode is spot welding.
Optionally, the third welding mode is formed by combining a flat fillet welding mode and an overhead fillet welding mode.
Optionally, the upper side of the position of the connection of the second toggle plate and the well wall is welded in a flat fillet welding mode, and the lower side of the position of the connection of the second toggle plate and the well wall is welded in an overhead fillet welding mode.
Optionally, the second toggle plate forms a first fillet weld and a first fillet weld in the direction of the first extension portion, and the second toggle plate forms a second fillet weld and a second fillet weld in the direction of the second extension portion.
And welding the first fillet weld and the second fillet weld after welding the first fillet weld and the second fillet weld, or welding the first fillet weld and the second fillet weld after welding the first fillet weld and the second fillet weld.
Optionally, the second welding, the third welding, the fourth welding and the fifth welding are all performed in a carbon dioxide arc welding manner.
Optionally, the welding current of the flat fillet welding is 210-250A, and the current of the overhead fillet welding is 160-180A.
Optionally, the step of installing the guide rail body further includes the following steps:
the peripheral side of each guide rail body at least comprises five first toggle plates, and the first toggle plates, the second toggle plates, the third toggle plates, the fourth toggle plates and the fifth toggle plates are sequentially arranged from top to bottom.
And during the second welding, welding the first toggle plate, the fifth toggle plate and the second toggle plate.
And in the fourth welding process, the third toggle plate and the second toggle plate are welded, and then the second toggle plate, the fourth toggle plate and the second toggle plate are welded.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the dredging and logging guide rail set installation process, on one hand, the guide rail body is positioned through the positioning steel wire arranged on the straight line where the angle bisector of the first extending part and the second extending part is located, whether the guide rail body is located at the preset position can be quickly judged by measuring whether the distances between the positioning steel wire and the first extending part and the distances between the positioning steel wire and the second extending part are equal, and therefore the positioning steel wire does not need to be detached in the installation process, and an operator can detect the position of the guide rail body at any time. On the other hand, realize in proper order through the quartic welding temporarily fixing the second bracket, it is fixed with the first bracket and the second bracket at guide rail body both ends, it is fixed completely to fix the second bracket, it is fixed with remaining first bracket on the guide rail body, can all measure first extension through the location steel wire before welding at every turn, the position of second extension, adjust the position of guide rail body in real time, avoid unable in time discovery because the levelness of guide rail body, the mounted position skew that the internal stress of welding seam leads to.
Drawings
Fig. 1 is a front view of a rail body, a first toggle plate, and a second toggle plate according to an embodiment of the present invention.
Fig. 2 is a top view of the guide rail body, the first toggle plate and the positioning wire according to the embodiment of the present invention.
Fig. 3 is a top view of a second toggle plate according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a second toggle plate according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of the connection between two adjacent guide rail bodies according to the embodiment of the present invention.
Description of reference numerals:
1. a guide rail body 11, a first extending part 12, a second extending part 13, a groove,
2. a first toggle plate, 21, a first toggle plate, 22, a second toggle plate, 23, a third toggle plate, 24, a fourth toggle plate, 25, a fifth toggle plate,
3. the second toggle plate is provided with a first toggle plate,
4. the steel wire is positioned, and the steel wire is fixed,
5. a ceramic liner is arranged on the outer surface of the shell,
A. a first flat fillet weld, B, a first elevation fillet weld, C, a second flat fillet weld, D, a second elevation fillet weld,
l1, the distance between the positioning steel wire and the end part of the first extension part, L2, the distance between the positioning steel wire and the end part of the second extension part, and a, and an included angle formed in the axial direction of the processing groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In addition, the terms "first", "second", and the like are employed in the present invention to describe various information, but the information should not be limited to these terms, which are used only to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Referring to fig. 1 to 5, the embodiment provides a process for installing a dredging logging guide rail set, where the dredging logging guide rail set includes a guide rail body 1, a first toggle plate 2, a second toggle plate 3, and a positioning steel wire 4, the plurality of guide rail bodies 1 are sequentially spliced in an axial direction, the guide rail body 1 includes a first extension portion 11 and a second extension portion 12 that extend perpendicular to each other, the first toggle plate 2 is fixed to an outer peripheral side of the guide rail body 1, the second toggle plate 3 is fixed to an inner wall of a dredging logging, the positioning steel wire 4 is disposed on a straight line where an angular bisector of the first extension portion 11 and the second extension portion 12 is located, distances between the positioning steel wire 4 and end portions of the first extension portion 11 and the second extension portion 12 are L1 and L2, respectively, and a distance between 5mm < L1 < 10mm, and a distance between 5mm < L2 < 10mm. Specifically, in the present embodiment, the first toggle plate 2 is a toggle plate made of 316L stainless steel and provided on the guide rail body 1, and the second toggle plate 3 is a toggle plate made of carbon steel.
The installation process based on the dredging logging guide rail comprises the steps of installing and positioning the steel wire 4, installing the guide rail body 1 and connecting the guide rail body 1, wherein:
installing the positioning steel wire 4 comprises installing the positioning steel wire 4 on a straight line where an angular bisector of the first extension part 11 and the second extension part 12 is located according to the preset position and the angle of the guide rail body 1, wherein the distance between the positioning steel wire 4 and the end parts of the first extension part 11 and the second extension part 12 meets the requirements of L1 and L2, and the positioning steel wire 4 is vertically welded at the bottom of the well.
The method for installing the guide rail body 1 comprises the steps of selecting a guide rail body 1, fixing a plurality of first toggle plates 2 on the axial periphery side of the guide rail body 1, welding second toggle plates 3 corresponding to the first toggle plates 2 arranged at two ends of the guide rail body 1 with a well wall for the first time, hanging the guide rail body 1 into the well, sequentially connecting the guide rail body 1 with the well bottom or another guide rail body 1 along the axial direction, welding the first toggle plates 2 and the second toggle plates 3 arranged at two ends of the guide rail body 1 for the second time, adjusting and confirming that the relative positions of the guide rail body 1 and a positioning steel wire 4 are qualified, fixing the second toggle plates 3 with the well wall by adopting third-time welding, fixing the rest first toggle plates 2 and the rest second toggle plates 3 by adopting fourth-time welding, and repeating the steps until all the guide rail bodies 1 are sequentially connected along the axial direction.
Connecting guide rail body 1 includes, after the position that detects guide rail body 1, first bracket 2, second bracket 3 and location steel wire 4 accords with technical requirement, adopts fifth welded connection between all guide rail body 1 two by two.
On the one hand, through setting up the location steel wire 4 to guide rail body 1 location on the straight line at the angular bisector place of first extension 11 and second extension 12, through measuring whether the location steel wire 4 equals can the snap judgments guide rail body 1 and be in the preset position with first extension 11, the distance of second extension 12 respectively, there is the certain distance consequently need not to demolish location steel wire 4 at the in-process of installation between location steel wire 4 and the guide rail, make operating personnel detect guide rail body 1's position at any time. On the other hand, realize in proper order through the quartic welding and fix second bracket 3 temporarily, it is fixed with first bracket 2 and second bracket 3 at guide rail body 1 both ends, it is completely fixed with second bracket 3, it is fixed with remaining first bracket 2 on the guide rail body 1, all can measure first extension 11 through location steel wire 4 before welding at every turn, the position of second extension 12, adjust the position of guide rail body 1 in real time, avoid unable in time discovery because the levelness of guide rail body 1 that the inside stress of welding seam leads to, the mounted position skew.
Preferably, in this embodiment, the top end of the positioning steel wire 4 penetrates through the top end of the guide rail body 1 at the end close to the wellhead by 500-1000mm. The guide rail body 1 located at the highest point can fall into the well along the extending direction of the positioning steel wire 4 in the hoisting process by taking the positioning steel wire 4 as a reference, so that the position accuracy of the guide rail body 1 after hoisting is improved.
Preferably, in this embodiment, before the first welding, the distance between the second toggle plate 3 and the borehole wall is D1, and D1 is greater than 0 and less than or equal to 1mm. By providing a gap between the second toggle plate 3 and the well wall, the solder can be filled between the second toggle plate 3 and the well wall instead of surrounding the outer peripheral side of the second toggle plate 3 and the well wall, thereby improving the strength between the second toggle plate 3 and the well wall. In addition, when the clearance of second bracket 3 and the wall of a well is too big, make second bracket 3 and the wall of a well after the wall of a well is fixed temporarily at the welding of first time, take place to become flexible easily, be unfavorable for the follow-up second welding to make the fixed of guide rail body 1, first bracket 2.
Preferably, in this embodiment, when the remaining guide rail bodies 1 are installed in the step, the interval between two adjacent guide rail bodies 1 is 4-6mm. By providing a gap between two adjacent guide rail bodies 1, the solder can be filled between the two adjacent guide rail bodies 1, rather than around the outer peripheral sides of the two adjacent guide rail bodies 1, thereby improving the strength between the two adjacent guide rail bodies 1.
Preferably, referring to fig. 5, in this embodiment, the dredging logging rail set further includes a ceramic liner 5, and the ceramic liner 5 is sleeved on an outer peripheral side of a connection portion of two adjacent rail bodies 1. Through ceramic sleeve pad 5 both can improve the intensity between two adjacent guide rail bodies 1, also can accomplish the fixed back of a guide rail body 1 through ceramic sleeve pad 5, spacing to adjacent guide rail body 1's installation, reduce guide rail body 1's the location degree of difficulty.
Preferably, referring to fig. 5, in this embodiment, a processing groove 13 is formed between two adjacent guide rail bodies 1, the processing groove 13 is formed at the lower end of the other guide rail bodies 1 except the first guide rail body 1, and the process of forming the processing groove 13 is performed before hoisting the guide rail bodies 1. On the one hand, the processing groove 13 that sets up inclines makes the operating personnel can follow the circumstances of processing groove 13 obliquely observation welding seam, and on the other hand, the processing groove 13 that sets up inclines makes the welding slag be difficult to adhere to between two adjacent guide rail bodies 1, can reduce the condition of stress deformation after the welding slag drops to reduce the possibility that guide rail body 1 takes place offset. Specifically, in the present embodiment, the included angle a formed in the axial direction of the machining groove 13 is 25 ° to 35 °. When the machining groove 13 is too large, the welding seam is too large, so that the deformation amount of the guide rail body 1 is easily too large, and when the machining groove 13 is too small, the welding flux is difficult to completely fill between two adjacent guide rail bodies 1.
Preferably, in the present embodiment, the first welding mode is spot welding. The second toggle plate 3 and the well wall are temporarily fixed through spot welding, and even if position deviation occurs in the subsequent welding process of the first toggle plate 2 and the second toggle plate 3, an operator can also adjust the position again for welding after the welding spots are ground.
Preferably, referring to fig. 4, in the present embodiment, the third welding mode is a combination of a flat fillet welding and an overhead fillet welding. Specifically, in the present embodiment, the upper side of the position where the second toggle plate 3 is connected to the well wall is welded by flat fillet welding, and the lower side of the position where the second toggle plate 3 is connected to the well wall is welded by overhead fillet welding. Through the mode of the combination of fillet welding and fillet welding on the back for second bracket 3 can be fully fixed with the wall of a well.
Preferably, referring to fig. 4, in the present embodiment, the second toggle plate 3 forms a first flat fillet weld a and a first fillet weld B in the direction of the first extension portion 11, and the second toggle plate 3 forms a second flat fillet weld C and a second fillet weld D in the direction of the second extension portion 12. And welding the first fillet weld A and the second fillet weld D, and then welding the first fillet weld B and the second fillet weld C, or welding the first fillet weld B and the second fillet weld C, and then welding the first fillet weld A and the second fillet weld D. Specifically, in this embodiment, the first fillet weld a and the second fillet weld D are welded and then the first fillet weld B and the second fillet weld C are welded, so as to form a staggered and symmetrical welding mode, and internal stresses generated in the forming processes of the first fillet weld a and the second fillet weld D can be mutually offset, so as to reduce deformation caused by asymmetric contraction of fillet welds. Specifically, in this embodiment, the welding current for the flat fillet welding is 210 to 250A, and the welding current for the fillet welding is 160 to 180A. In the process of fillet welding, the solder is easy to fall off under the action of gravity after being melted, so that the melting speed needs to be reduced by adopting a small current mode, and operators have sufficient welding time. In the process of flat fillet welding, the solder can not fall off due to the action of gravity, so that the speed of melting the solder can be improved by adopting a high-current mode, and the welding efficiency is improved.
Preferably, in the present embodiment, the second welding, the third welding, the fourth welding and the fifth welding are performed by carbon dioxide arc welding. The welding is carried out in a carbon dioxide gas shielded welding mode, and the crack resistance of the generated welding line is high. The weld joint has low hydrogen and less nitrogen content, so the deformation after welding is less, thereby reducing the displacement of the guide rail body 1, the first toggle plate 2 and the second toggle plate 3 caused in the welding process.
Preferably, referring to fig. 1, in this embodiment, the step of installing the guide rail body 1 further includes the following steps:
the periphery of a guide rail body 1 at least comprises five first toggle plates 2, and a first toggle plate 21, a second toggle plate 22, a third toggle plate 23, a fourth toggle plate 24 and a fifth toggle plate 25 are arranged from top to bottom in sequence. For the second welding, the first toggle plate 21 and the fifth toggle plate 25 are welded to the second toggle plate 3. In the fourth welding, the third toggle plate 23 and the second toggle plate 3 are welded, and then the second toggle plate 22 and the fourth toggle plate 24 are welded with the second toggle plate 3. Through fixing the both ends of guide rail body 1 earlier, fixed with the middle part of guide rail body 1 again, the remaining position of fixed guide rail body 1 has realized from the position is fixed in advance at last, and to the shape is fixed in advance, to the progressively fixed process of monolithic stationary again, further ensured the position accuracy in the guide rail body 1 installation.
The dredging logging guide rail set mounting process provided by the embodiment comprises the following steps of:
according to the preset position and angle of the guide rail body 1, the positioning steel wire 4 is installed on a straight line where an angle bisector of the first extending part 11 and the second extending part 12 is located, the distance between the positioning steel wire 4 and the end parts of the first extending part 11 and the second extending part 12 is 5-10mm, the positioning steel wire 4 is vertically welded at the bottom of a well, and the top end of the positioning steel wire 4 penetrates out of the top end of the guide rail body 1 close to one end of the well head by 500-1000mm.
Selecting a first guide rail body 1, fixing a plurality of first toggle plates 2 on the axial periphery of the guide rail body 1, welding second toggle plates 3 corresponding to the first toggle plates 2 arranged at two ends of the first guide rail body 1 with a well wall in a spot welding mode, hanging the first guide rail body 1 in the well, connecting the guide rail body 1 with the well bottom, welding a first toggle plate 21 and a fifth toggle plate 25 with the second toggle plates 3, adjusting and confirming that the relative positions of the guide rail body 1 and a positioning steel wire 4 are qualified, fixing the second toggle plates 3 with the well wall in a staggered symmetrical welding mode, fixing a third toggle plate 23 with the second toggle plates 3, and finally fixing a second toggle plate 22 and a fourth toggle plate 24 with the second toggle plates 3.
Selecting the rest guide rail bodies 1, arranging a machining groove 13 with the inclination of 25-35 degrees at one end of each rest guide rail body 1, fixing a plurality of first toggle plates 2 on the axial periphery of each guide rail body 1, hanging the end provided with the machining groove 13 downwards into a well, sequentially connecting the end in the axial direction, and repeating the welding process of the first guide rail body 1.
The connecting guide rail body 1 comprises a step of detecting that the positions of the guide rail body 1, the first toggle plate 2, the second toggle plate 3 and the positioning steel wire 4 meet the technical requirements, and then connecting all the guide rail bodies 1 in a fifth welding mode, so that the machining grooves 13 are filled with welding fluxes, and the ceramic sleeve gaskets 5 are sleeved on the outer peripheral sides of two adjacent guide rail bodies 1.
After the assembly is completed, operators polish all welding positions to avoid the welding flux from being higher than the surface of the base metal, and then after the dredging and logging guide rail set is kept still for twenty-four hours, the nondestructive flaw detection inspection is carried out on all welding seams of the dredging and logging guide rail set by adopting a dye penetrant inspection method, so that the inspection and acceptance of the project are ensured after no welding defects such as cracks exist.
The dredging logging guide rail set mounting process has the following beneficial effects:
1. through setting up the location steel wire 4 to the location of guide rail body 1 on the straight line at the angular bisector place of first extension 11 and second extension 12, through measuring location steel wire 4 respectively with first extension 11, whether the distance of second extension 12 equals can the snap judgments guide rail body 1 is in predetermineeing the position, consequently there is the certain distance between location steel wire 4 and the guide rail and need not to demolish location steel wire 4 at the in-process of installation for operating personnel can detect the position of guide rail body 1 at any time.
2. Realize in proper order through the quartic welding with second bracket 3 temporarily fixed, it is fixed with first bracket 2 and second bracket 3 at 1 both ends of guide rail body, it is completely fixed with second bracket 3, it is fixed with remaining first bracket 2 on the guide rail body 1, all can measure first extension 11 through location steel wire 4 before welding at every turn, the position of second extension 12, adjust the position of guide rail body 1 in real time, avoid unable in time discovery because the levelness of guide rail body 1 that the inside stress of welding seam leads to, the mounted position skew.
3. On the one hand, the processing groove 13 that sets up inclines makes the operating personnel can follow the circumstances of processing groove 13 obliquely observation welding seam, and on the other hand, the processing groove 13 that sets up inclines makes the welding slag be difficult to adhere to between two adjacent guide rail bodies 1, can reduce the condition of stress deformation after the welding slag drops to reduce the possibility that guide rail body 1 takes place offset.
4. The first fillet weld A and the second fillet weld D are welded and then the first fillet weld B and the second fillet weld C are welded, so that a staggered and symmetrical welding mode is formed, internal stress generated in the forming process of the first fillet weld A and the second fillet weld D can be mutually offset, and deformation caused by asymmetric contraction of fillet welds is reduced.
The foregoing is directed to the preferred embodiment of the present invention, and it is understood that various changes and modifications may be made by one skilled in the art without departing from the spirit of the invention, and it is intended that such changes and modifications be considered as within the scope of the invention.
Claims (13)
1. A dredging logging guide rail set installation process is characterized in that the dredging logging guide rail set comprises a guide rail body, a first toggle plate, a second toggle plate and a positioning steel wire, a plurality of guide rail bodies are sequentially spliced in the axial direction, the guide rail body comprises a first extending part and a second extending part which extend perpendicularly to each other, the first toggle plate is fixed on the outer peripheral side of the guide rail body, the second toggle plate is fixed on the inner wall of a dredging logging, the positioning steel wire is arranged on a straight line where an angular bisector of the first extending part and the second extending part is located, the distances between the positioning steel wire and the end parts of the first extending part and the second extending part are respectively L1 and L2, and 5mm < L1 < 10mm,5mm < L2 < 10mm;
the installation process based on the dredging logging guide rail comprises the following steps of:
installing and positioning steel wires: according to the preset position and angle of the guide rail body, a positioning steel wire is installed on a straight line where an angular bisector of the first extension part and the second extension part is located, the distance between the positioning steel wire and the end parts of the first extension part and the second extension part meets the requirements of L1 and L2, and the positioning steel wire is vertically welded at the bottom of a well;
installing a guide rail body: selecting one guide rail body, fixing a plurality of first toggle plates on the axial peripheral side of the guide rail body, welding second toggle plates corresponding to the first toggle plates arranged at two ends of the one guide rail body with the well wall by adopting first welding, hanging the one guide rail body into the well, sequentially connecting the guide rail body with the well bottom or the other guide rail body along the axial direction, welding the first toggle plates and the second toggle plates arranged at two ends of the one guide rail body for the second time, adjusting and confirming that the relative positions of the guide rail body and the positioning steel wire are qualified, fixing the second toggle plates with the well wall by adopting third welding, fixing the rest first toggle plates and the rest second toggle plates by adopting fourth welding, and repeating the steps until all the guide rail bodies are sequentially connected along the axial direction;
connecting the guide rail body: and after detecting that the positions of the guide rail bodies, the first toggle plate, the second toggle plate and the positioning steel wire meet the technical requirements, welding all the guide rail bodies pairwise for the fifth time.
2. A dredging logging guide rail set installation process according to claim 1, wherein the top end of the positioning wire penetrates 500-1000mm through the top end of the guide rail body at the end close to the wellhead.
3. The dredging logging guide rail set mounting process of claim 1, wherein the distance between the second toggle plate and the well wall before the first welding is D1, and D1 is more than 0 and less than or equal to 1mm.
4. The dredging logging guide rail set mounting process according to claim 1, wherein when the remaining guide rail bodies are mounted in the step (2), the interval between two adjacent guide rail bodies is 4-6mm.
5. The dredging logging guide rail set installation process of claim 4, wherein the dredging logging guide rail set further comprises a ceramic liner sleeved on the outer peripheral side of the joint of two adjacent guide rail bodies.
6. The dredging logging guide rail set mounting process according to claim 4, wherein a machining groove is formed between two adjacent guide rail bodies, and an included angle formed in the axial direction of the machining groove is 25-35 degrees.
7. The dredge logging guide rail set installation process of claim 1 wherein the first weld is a spot weld.
8. A dredging logging guide rail set mounting process as claimed in claim 1, wherein the third welding is performed by a combination of a flat fillet welding and an overhead fillet welding.
9. The dredge logging guide rail set installation process of claim 8, wherein the upper side of the location of connection of the second toggle plate and the well wall is welded in a flat fillet manner, and the lower side of the location of connection of the second toggle plate and the well wall is welded in an overhead fillet manner.
10. A dredging logging guide rail set installation process according to claim 9, wherein the second toggle plate forms a first flat fillet weld and a first elevation fillet weld in the direction of the first extension, and the second toggle plate forms a second flat fillet weld and a second elevation fillet weld in the direction of the second extension;
and welding the first fillet weld and the second fillet weld after welding the first fillet weld and the second fillet weld, or welding the first fillet weld and the second fillet weld after welding the first fillet weld and the second fillet weld.
11. A dredging logging guide rail set installation process as claimed in claim 9, wherein the second welding, the third welding, the fourth welding and the fifth welding are all performed by means of carbon dioxide arc welding.
12. A dredging logging guide rail set mounting process as claimed in claim 9, wherein the welding current of the flat fillet welding is 210-250A and the current of the overhead fillet welding is 160-180A.
13. The dredge logging guide rail set installation process of claim 1 wherein the step of installing a guide rail body further comprises:
the peripheral side of one guide rail body at least comprises five first toggle plates, and the first toggle plate, the second toggle plate, the third toggle plate, the fourth toggle plate and the fifth toggle plate are sequentially arranged from top to bottom;
during the second welding, the first toggle plate, the fifth toggle plate and the second toggle plate are welded;
and in the fourth welding, the third toggle plate and the second toggle plate are welded, and then the second toggle plate, the fourth toggle plate and the second toggle plate are welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310038032.XA CN115892382A (en) | 2023-01-10 | 2023-01-10 | Dredging and logging guide rail set installation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310038032.XA CN115892382A (en) | 2023-01-10 | 2023-01-10 | Dredging and logging guide rail set installation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115892382A true CN115892382A (en) | 2023-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310038032.XA Pending CN115892382A (en) | 2023-01-10 | 2023-01-10 | Dredging and logging guide rail set installation process |
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| Country | Link |
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| CN (1) | CN115892382A (en) |
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- 2023-01-10 CN CN202310038032.XA patent/CN115892382A/en active Pending
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