CN113957757A - Track bolt positioning device and track bolt construction method - Google Patents
Track bolt positioning device and track bolt construction method Download PDFInfo
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- CN113957757A CN113957757A CN202111354565.6A CN202111354565A CN113957757A CN 113957757 A CN113957757 A CN 113957757A CN 202111354565 A CN202111354565 A CN 202111354565A CN 113957757 A CN113957757 A CN 113957757A
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- 238000010276 construction Methods 0.000 title claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/24—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
- E01B29/28—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being of screw-and-nut type; Apparatus therefor, adapted to additionally drilling holes
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
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- Life Sciences & Earth Sciences (AREA)
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- Mining & Mineral Resources (AREA)
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a track bolt positioning device and a track bolt construction method, wherein the track bolt positioning device comprises a plurality of bottom plates, frame plates are respectively arranged at two ends of each bottom plate, first through holes which are symmetrically arranged and used for penetrating pre-buried bolts are formed in the plate surfaces of the bottom plates, connecting studs which are symmetrically arranged are arranged on the upper plate surfaces of the bottom plates, a pressing plate is arranged above the bottom plates, second through holes which are symmetrically arranged and third through holes which are symmetrically arranged are formed in the pressing plate, the connecting studs penetrate through the third through holes, and fastening nuts are screwed on the connecting studs. The track bolt construction method comprises the steps of conducting subsection construction on track embedded bolts by utilizing a track bolt positioning device, and conducting integral positioning on all embedded bolts in a section by utilizing the track bolt positioning device. The method is simple and convenient to operate, can improve the position precision and the construction efficiency of the track embedded bolt, reduces the leveling difficulty of the concrete foundation surface in the later period, and is favorable for ensuring the installation precision of the track.
Description
Technical Field
The invention relates to a track construction technology, in particular to a track bolt positioning device and a track bolt construction method.
Background
In industrial buildings, rail-mounted equipment such as coked three-car rails, stockyard stacker-reclaimer foundations, electrically built coal unloader rail foundations, etc., the rails are fixed by anchor bolts which are buried deep in concrete foundations. The conventional construction method is that each bolt needs to be positioned when being installed, the positioning and the fixing of the bolt are carried out on the steel bars bound on the concrete foundation, the operation position and the operation sequence are limited, and the efficiency is low. And the positioning process is complicated and repeated, a large amount of manpower, material resources and time are required to be consumed, and the position precision of the bolt is difficult to ensure. And in order to guarantee the installation accuracy of rail at later stage, need pour at the concrete foundation after, carry out the flattening to the concrete surface, nevertheless because the existence of pre-buried rag bolt leads to the flattening on concrete surface inefficiency, the degree of difficulty is high, and the effect is poor.
Disclosure of Invention
The invention aims to provide a track bolt positioning device and a track bolt construction method, and aims to solve the problems of low efficiency and poor precision in the conventional track bolt construction.
The invention is realized by the following steps: the utility model provides a track bolt positioner, includes a plurality of isometric bottom plates the both ends of bottom plate are provided with the frame plate respectively, the frame plate links together all bottom plates, just the bottom plate is followed the length direction evenly distributed of frame plate open the first cross-under hole that is used for cross-under embedded bolt that has the symmetrical arrangement on the face of bottom plate the last face of bottom plate is equipped with symmetrical arrangement's connecting screw the bottom plate top is provided with the clamp plate open the third cross-under hole that has symmetrical arrangement's second cross-under hole and symmetrical arrangement on the clamp plate, connecting screw passes the third cross-under hole, and connecting screw has connect fastening nut on the top of clamp plate, fastening nut is located.
Furthermore, the frame plate is an angle steel, one side plate of the angle steel is attached to the upper plate surface of the bottom plate, and the other side plate of the angle steel is overlapped with the side edge of the bottom plate.
Further, the length and width of the pressure plate are respectively smaller than those of the bottom plate.
Further, the frame plate is linear or arc-shaped.
The invention also discloses a track bolt construction method, which comprises the following steps.
a. The track is segmented according to the track design, and the straight line part and the arc part of the track are respectively divided into a plurality of sections.
b. The rail bolt positioning device is manufactured according to the diameter and the interval of the embedded bolt and comprises a plurality of bottom plates with equal length, frame plates are arranged at two ends of each bottom plate respectively, the shape of each frame plate is determined according to the shape of a section, all the bottom plates are connected together by the frame plates, the bottom plates are uniformly distributed along the length direction of the frame plates, the interval of the bottom plates is equal to the interval of the embedded bolt along the length direction of the rail, first through holes which are symmetrically arranged are formed in the plate surface of the bottom plates, connecting studs which are symmetrically arranged are arranged on the upper plate surface of the bottom plates, the interval of the first through holes at two ends of the same bottom plate is equal to the width interval of the embedded bolt, and the diameter of each first through hole is slightly larger than the diameter of the embedded bolt.
c. And enabling the upper end of the embedded bolt to penetrate through the first through hole, then screwing a positioning nut on the embedded bolt, and rotating the positioning nut to adjust the extension amount of the upper end of the embedded bolt, so that the distance from the top of the embedded bolt to the bottom surface of the bottom plate is equal to the designed exposure value of the embedded bolt.
d. The pressing plate is placed above the bottom plate, the second cross connection holes which are symmetrically arranged and the third cross connection holes which are symmetrically arranged are formed in the pressing plate, the second cross connection holes are sleeved at the upper end of the embedded bolt, the third cross connection holes are sleeved on the connecting stud, and the fastening nut is screwed on the connecting stud to enable the pressing plate to downwards compress the positioning nut, so that the embedded bolt and the rail bolt positioning device are mutually fixed.
e. The track bolt positioning device fixed with the embedded bolts is placed at the designed position of the section track, the position and the height of the track bolt positioning device are adjusted to enable the designed height of the bottom surface of the bottom plate and the designed height of the top surface of the concrete foundation to be coincident, the position of the embedded bolts at the end part of the track bolt positioning device is adjusted to meet the design requirements, and therefore all the embedded bolts on the track bolt positioning device are determined.
f. And pouring the concrete foundation of the section, and removing the track bolt positioning device after the concrete is solidified and shaped to complete the construction of the embedded bolts of the section of the track.
g. And c, repeating the steps c to f, sequentially completing the construction of the embedded bolts of the tracks of all the sections of each part, and replacing the track bolt positioning devices in different shapes when the linear parts and the arc parts are mutually converted.
Further, all the linear portions of the track are composed of a plurality of linear sections with the same length and at most one linear compensation section, the arc portion of the track is segmented according to the radius, the portion with the same bending radius is composed of a plurality of arc sections with the same length and at most one arc compensation section, the linear sections and the linear compensation sections share one track bolt positioning device, and the arc sections with the same bending radius and the arc compensation sections share one track bolt positioning device.
Further, after removing the track bolt positioning device from each section, the concrete foundation surface is leveled so that the portion of the concrete foundation surface between adjacent floor panels and the plane formed by the floor panel portions are horizontal.
Further, the track bolt positioning device is fixed by stirrup reinforcement, the top of which supports the shelf.
Furthermore, except for the first section, during subsequent section construction, the bottom plate at the end part of the rail bolt positioning device can be installed on the embedded bolt poured in the previous section, and rapid positioning is carried out.
The track bolt positioning device is simple in structure and convenient to use, is manufactured according to design in advance, can position the relative positions of the embedded bolts of one section in advance, and positions and determines the positions of the embedded bolts at the end parts before a concrete foundation is poured, so that the positions of the embedded bolts of the whole section are determined, each embedded bolt is not required to be positioned and fixed, the construction efficiency is greatly improved, and the position accuracy of the embedded bolts is easy to ensure. The bottom surface of bottom plate and concrete foundation's top surface coincidence, the face of pouring that this part formed no longer need carry out the flattening processing for final required plane, only need carry out the flattening to the part between the adjacent bottom plate, does not have buried bolt's influence in advance, can carry out the flattening fast easily to easily guarantee the roughness on concrete foundation surface, thereby improve orbital installation accuracy.
According to the track bolt construction method, the track is divided into the sections, the track bolt positioning devices are manufactured according to the shapes of the sections, and the sections share one track bolt positioning device, so that the manufacturing amount of the track bolt positioning devices can be greatly reduced, the utilization rate of the track bolt positioning devices is improved, and the cost and the early preparation work are reduced. The construction of the embedded bolts is sequentially carried out in sections by utilizing the track bolt positioning device, the embedded bolts in the sections can be quickly integrally positioned and fixed, and after the concrete foundation in one section is poured, solidified and shaped, the track bolt positioning device is detached and the construction of the next section is carried out. Manpower and material resources required when the embedded bolt is positioned are greatly reduced, the overall construction efficiency and the construction quality are improved, and the construction period is shortened.
The method is simple and convenient to operate, can improve the position precision and the construction efficiency of the track embedded bolt, reduces the leveling difficulty of the concrete foundation surface in the later period, and is favorable for ensuring the installation precision of the track.
Drawings
FIG. 1 is a schematic view of the use of the track bolt positioning device of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a top view of the track bolt positioning device of the present invention.
In the figure: 1. a base plate; 2. a frame plate; 3. connecting a stud; 4. fastening a nut; 5. a first through hole; 6. pressing a plate; 7. a second through hole; 8. a third through hole; 9. embedding bolts in advance; 10. positioning a nut; 11. and (5) concrete foundation.
Detailed Description
As shown in fig. 1, 2 and 3, the rail bolt positioning device of the present invention includes a plurality of base plates 1 with equal length, wherein two ends of the base plates 1 are respectively provided with frame plates 2, all the base plates 1 are connected together by the frame plates 2, and the base plates 1 are uniformly distributed along the length direction of the frame plates 2.
The plate surface of the bottom plate 1 is provided with first through holes 5 which are symmetrically arranged and used for through connection of embedded bolts 9, the upper plate surface of the bottom plate 1 is provided with connecting studs 3 symmetrically arranged, the connecting studs 3 are perpendicular to the plate surface of the bottom plate 1, a pressing plate 6 is arranged above the bottom plate 1, the pressing plate 6 is provided with second through holes 7 symmetrically arranged and third through holes 8 symmetrically arranged, the connecting studs 3 pass through the third through holes 8, fastening nuts 4 are screwed on the connecting studs 3, and the fastening nuts 4 are located above the pressing plate 6.
The position of buried bolt 9 can be controlled to first cross-under hole 5, and the interval of the buried bolt 9 in track both sides is controlled to the interval between the first cross-under hole 5 at both ends on same bottom plate 1, and the interval of the buried bolt 9 of interval control track length direction between the adjacent bottom plate 1.
The number of the first through holes 5 in one bottom plate 1 can be determined according to the design requirements of the track, and the number and the positions of the second through holes 7 in the pressing plate 6 correspond to those of the first through holes 5.
The second cross-under hole 7 is used for cross-under embedded bolt 9, and first cross-under hole 5 and second cross-under hole 7 are passed simultaneously to embedded bolt 9 to the set nut 10 of screwing on embedded bolt 9 is located between bottom plate 1 and the clamp plate 6, and rotatory set nut 10 alright adjust embedded bolt 9's extension length, and the fastening nut 4 of screwing makes clamp plate 6 compress tightly set nut 10, thereby fixes embedded bolt 9 and bottom plate 1 together.
The angle steel is generally selected for use to frame plate 2, and the laminating of the last face of a curb plate and bottom plate 1 of angle steel, another curb plate and the side coincidence of bottom plate 1 of angle steel. The frame structure formed by the frame plate 2 and the bottom plate 1 has strong strength and rigidity, and the position accuracy of the embedded bolts 9 fixed on the bottom plate 1 can be ensured.
The length and width of the platen 6 are smaller than the length and width of the base plate 1, respectively. Because the bottom plate 1 is directly contacted with the poured concrete, when the concrete is poured, the bottom plate is used as a partial template on the surface of the concrete foundation 11, so that the concrete below the bottom plate 1 is solidified to form a smooth plane.
The frame plates 2 are linear or arc-shaped, and when the two frame plates 2 are linear, the two linear frame plates 2 are parallel to each other and have the same length; when the two frame plates 2 are arc-shaped, the arc-shaped circle centers of the two frame plates 2 are overlapped, and the bottom plate 1 is positioned in the arc-shaped radius direction.
The track bolt positioning device is simple in structure and convenient to use, is manufactured according to design in advance, can position the relative positions of the embedded bolts 9 of one section in advance, and positions and determines the positions of the embedded bolts 9 at the end parts before the concrete foundation 11 is poured, so that the positions of the embedded bolts 9 of the whole section are determined, each embedded bolt 9 does not need to be positioned and fixed, the construction efficiency is greatly improved, and the position accuracy of the embedded bolts 9 is easily ensured. The bottom surface of bottom plate 1 and concrete foundation 11's top surface coincidence, the face of pouring that this part formed is final required plane, no longer need carry out the flattening processing, only need carry out the flattening to the part between the adjacent bottom plate 1, does not have buried bolt 9's influence in advance, can carry out the flattening fast easily to easily guarantee the roughness on concrete foundation 11 surface, thereby improve orbital installation accuracy.
The invention also discloses a track bolt construction method, which comprises the following steps.
a. The track is segmented according to the track design, and the straight line part and the arc part of the track are respectively divided into a plurality of sections.
b. The rail bolt positioning device is manufactured according to the diameter and the distance of embedded bolts 9 and comprises a plurality of bottom plates 1 with equal length, frame plates 2 are respectively arranged at two ends of each bottom plate 1, the shapes of the frame plates 2 are determined according to the shapes of sections, all the bottom plates 1 are connected together through the frame plates 2, the bottom plates 1 are uniformly distributed along the length direction of the frame plates 2, the distance between the bottom plates 1 is equal to the distance between the embedded bolts 9 and the length direction of a rail, first through holes 5 which are symmetrically arranged are formed in the plate surfaces of the bottom plates 1, connecting studs 3 which are symmetrically arranged are arranged on the upper plate surfaces of the bottom plates 1, the distance between the first through holes 5 at the two ends of the same bottom plate 1 is equal to the width distance between the embedded bolts 9, and the diameter of the first through holes 5 is slightly larger than the diameter of the embedded bolts 9.
c. The upper end of the embedded bolt 9 penetrates through the first through hole 5, then the positioning nut 10 is screwed on the embedded bolt 9, the positioning nut 10 is rotated to adjust the extension amount of the upper end of the embedded bolt 9, and the distance from the top of the embedded bolt 9 to the bottom surface of the bottom plate 1 is equal to the designed exposure value of the embedded bolt 9.
d. Placing a pressing plate 6 above the bottom plate 1, opening a second cross connection hole 7 and a third cross connection hole 8 which are symmetrically arranged on the pressing plate 6, wherein the second cross connection hole 7 is sleeved at the upper end of a pre-embedded bolt 9, the third cross connection hole 8 is sleeved on a connecting stud 3, and a fastening nut 4 is screwed on the connecting stud 3, so that the pressing plate 6 compresses a positioning nut 10 downwards, and the pre-embedded bolt 9 and the track bolt positioning device are fixed to each other.
e. The rail bolt positioning device fixed with the embedded bolts 9 is placed at the designed position of the section of the rail, the position and the height of the rail bolt positioning device are adjusted, the designed height of the bottom surface of the bottom plate 1 and the designed height of the top surface of the concrete foundation 11 are overlapped, the position of the embedded bolts 9 at the end part of the rail bolt positioning device is adjusted to meet the design requirements, and therefore the positions of all the embedded bolts 9 on the rail bolt positioning device are determined.
f. And pouring the concrete foundation 11 of the section, and removing the track bolt positioning device after the concrete is solidified and shaped to complete the construction of the pre-buried bolts 9 of the section of the track.
g. And c, repeating the steps c to f, sequentially completing the construction of the pre-embedded bolts 9 of the track of each section of each part, and replacing the track bolt positioning devices in different shapes when the linear part and the arc part are mutually converted.
All the linear parts of the track are composed of a plurality of linear sections with the same length and at most one linear compensation section, the lengths of the linear sections and the linear compensation sections are determined according to the length of each linear part of the track, so that the lengths of all the linear compensation sections are smaller than that of the linear sections, for the linear parts, repeated construction is carried out by using a track bolt positioning device, the rest part with the shorter length is the linear compensation section, and the linear compensation section and the linear section share one track bolt positioning device.
The arc line part of track is according to the radius segmentation, and a plurality of arc line parts that the radius is unanimous can share a track bolt positioner, to the arc line part that the radius is different, need corresponding different track bolt positioner of preparation. The part with the same bending radius consists of a plurality of arc sections with the same length and at most one arc compensation section, and the arc sections with the same bending radius and the arc compensation sections share one rail bolt positioning device.
After the track bolt positioning device is removed from each section, the surface of the concrete foundation 11 is leveled, the concrete is used for leveling the surface, the protruding parts are polished, the part of the surface of the concrete foundation 11, which is positioned between the adjacent bottom plates 1, and the plane formed by the bottom plates 1 are leveled, and a smooth plane whole is formed.
Track bolt positioner passes through the stirrup reinforcing bar fixed, and thereby the top support frame plate 2 of stirrup reinforcing bar adjusts the height of stirrup reinforcing bar and adjusts track bolt positioner's height, makes the 11 surperficial coincidences on the lower surface of bottom plate 1 and the concrete foundation of design.
Except for the first section, during subsequent section construction, the bottom plate 1 at the end part of the track bolt positioning device can be installed on the embedded bolt 9 poured in the previous section for rapid positioning.
According to the track bolt construction method, the track is divided into the sections, the track bolt positioning devices are manufactured according to the shapes of the sections, and the sections share one track bolt positioning device, so that the manufacturing amount of the track bolt positioning devices can be greatly reduced, the utilization rate of the track bolt positioning devices is improved, and the cost and the early preparation work are reduced. The construction of the embedded bolts 9 is sequentially carried out in sections by utilizing the track bolt positioning device, the embedded bolts 9 in the sections can be quickly integrally positioned and fixed, and after the concrete foundation 11 in one section is poured, solidified and shaped, the track bolt positioning device is detached and the construction of the next section is carried out. Manpower and material resources required when the embedded bolt 9 is positioned are greatly reduced, the overall construction efficiency and the overall construction quality are improved, and the construction period is shortened.
The method is simple and convenient to operate, can improve the position precision and the construction efficiency of the track embedded bolt 9, reduces the leveling difficulty of the surface of the concrete foundation 11 in the later period, and is favorable for ensuring the installation precision of the track.
Claims (9)
1. The utility model provides a track bolt positioner, its characterized in that includes a plurality of isometric bottom plates the both ends of bottom plate are provided with the frame plate respectively, the frame plate links together all bottom plates, just the bottom plate is followed the length direction evenly distributed of frame plate open the first cross-under hole that is used for cross-under embedded bolt that has the symmetrical arrangement on the face of bottom plate the last face of bottom plate is equipped with the connecting screw bolt of symmetrical arrangement the bottom plate top is provided with the clamp plate open the third cross-under hole that has the second cross-under hole of symmetrical arrangement and symmetrical arrangement on the clamp plate, connecting screw bolt passes the third cross-under hole, and connecting screw bolt has screwed joint fastening nut, fastening nut is located the top of clamp plate.
2. The track bolt locator device of claim 1, wherein the shelf is an angle steel, one side plate of the angle steel engaging the upper plate surface of the base plate, the other side plate of the angle steel coinciding with a side edge of the base plate.
3. The track bolt positioning apparatus of claim 1, wherein the pressure plate has a length and a width that are less than a length and a width of the base plate, respectively.
4. The track bolt locator device of claim 1, wherein the shelf is linear or arcuate.
5. A rail bolt construction method is characterized by comprising the following steps:
a. segmenting the track according to a design drawing of the track, and dividing a straight line part and an arc line part of the track into a plurality of sections respectively;
b. the method comprises the steps that a rail bolt positioning device is manufactured according to the diameter and the distance of embedded bolts, the rail bolt positioning device comprises a plurality of bottom plates with equal length, frame plates are arranged at two ends of each bottom plate respectively, the shape of each frame plate is determined according to the shape of a section, all the bottom plates are connected together through the frame plates, the bottom plates are uniformly distributed along the length direction of the frame plates, the distance of the bottom plates is equal to the distance of the embedded bolts along the length direction of a rail, first through holes which are symmetrically arranged are formed in the plate surfaces of the bottom plates, connecting studs which are symmetrically arranged are arranged on the upper plate surfaces of the bottom plates, the distance of the first through holes at two ends of the same bottom plate is equal to the width distance of the embedded bolts, and the diameter of the first through holes is slightly larger than the diameter of the embedded bolts;
c. enabling the upper end of the embedded bolt to penetrate through the first through hole, then screwing a positioning nut on the embedded bolt, and rotating the positioning nut to adjust the extension of the upper end of the embedded bolt, so that the distance between the top of the embedded bolt and the bottom surface of the bottom plate is equal to the designed exposure value of the embedded bolt;
d. placing a pressing plate above the bottom plate, wherein second through holes which are symmetrically arranged and third through holes which are symmetrically arranged are formed in the pressing plate, the second through holes are sleeved at the upper ends of the embedded bolts, the third through holes are sleeved on the connecting studs, fastening nuts are screwed on the connecting studs, the pressing plate is enabled to downwards compress the positioning nuts, and therefore the embedded bolts and the rail bolt positioning device are fixed with each other;
e. placing a track bolt positioning device fixed with embedded bolts at the designed position of the section of track, adjusting the position and the height of the track bolt positioning device to ensure that the designed heights of the bottom surface of the bottom plate and the top surface of the concrete foundation are superposed, and adjusting the positions of the embedded bolts at the end part of the track bolt positioning device to meet the design requirements, thereby determining the positions of all the embedded bolts on the track bolt positioning device;
f. pouring the concrete foundation of the section, and removing the track bolt positioning device after the concrete is solidified and shaped to complete the construction of the embedded bolts of the section track;
g. and c, repeating the steps c to f, sequentially completing the construction of the embedded bolts of the tracks of all the sections of each part, and replacing the track bolt positioning devices in different shapes when the linear parts and the arc parts are mutually converted.
6. The track bolt construction method according to claim 5, wherein all the linear portions of the track are composed of a plurality of linear sections of uniform length and at most one linear compensation section, the curved portion of the track is segmented according to radius, the curved portion of uniform bending radius is composed of a plurality of curved sections of uniform length and at most one curved compensation section, the linear sections and the linear compensation sections share one track bolt positioning means, and the curved sections of uniform bending radius and the curved compensation sections share one track bolt positioning means.
7. A track bolt construction method according to claim 5, wherein after the track bolt locating means is removed from each section, the concrete foundation surface is levelled so that the portion of the concrete foundation surface between adjacent floor panels is level with the plane formed by the floor panel portions.
8. A track bolt construction method according to claim 5, wherein the track bolt location means is secured by stirrup reinforcement, the tops of the stirrup reinforcement supporting the frame plate.
9. The track bolt construction method according to claim 5, wherein, except for the first section, during the construction of the subsequent section, the bottom plate at the end part of the track bolt positioning device can be installed on the embedded bolt poured in the previous section for rapid positioning.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111354565.6A CN113957757A (en) | 2021-11-16 | 2021-11-16 | Track bolt positioning device and track bolt construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111354565.6A CN113957757A (en) | 2021-11-16 | 2021-11-16 | Track bolt positioning device and track bolt construction method |
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| CN113957757A true CN113957757A (en) | 2022-01-21 |
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| CN202111354565.6A Pending CN113957757A (en) | 2021-11-16 | 2021-11-16 | Track bolt positioning device and track bolt construction method |
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