CN113529559A

CN113529559A - Segmented prefabricated cover beam template positioning device and operation method

Info

Publication number: CN113529559A
Application number: CN202110670755.2A
Authority: CN
Inventors: 郭秉江; 张萌; 梁辉; 蔡学峰; 王驰; 王长银; 纪昌含; 陈家骖; 杨娟; 黄健; 詹良; 潘志伟; 黄雄; 王超凡
Original assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC; China Railway Major Bridge Bureau Shanghai Engineering Co Ltd
Current assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC; China Railway Major Bridge Bureau Shanghai Engineering Co Ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-10-22
Anticipated expiration: 2041-06-17
Also published as: CN113529559B

Abstract

The invention provides a segmental precast cover beam template positioning device and an operation method, wherein the segmental precast cover beam template positioning device comprises a C-shaped support, at least one end of the C-shaped support is provided with a rotatable small prism; the C-shaped support is provided with an adjusting assembly, and the adjusting assembly comprises a first adjusting piece and a second adjusting piece which are arranged along the long axis direction of the C-shaped support at intervals. The positioning device and the operation method for the segmental prefabrication cover beam template quickly level through the adjusting assembly, and ensure that the cover beam template is spliced in parallel through the lower prism positioned at the end part of the adjusting assembly; meanwhile, the structure of the bubble level is improved to enable the bubble level to be quickly leveled, and the assembling accuracy and convenience are both considered; the positioning device for the segmental prefabricated cover beam template is simple in structure and convenient to produce and process.

Description

Segmented prefabricated cover beam template positioning device and operation method

Technical Field

The invention relates to the field of prefabricated cover beams of assembled bridges in sections, in particular to a positioning device and an operation method for a formwork of the prefabricated cover beam in sections.

Background

In recent years, viaduct roads are increasingly playing a role in transportation, and new viaduct projects are emerging. The traditional cast-in-place construction process of the viaduct gradually fades out of the historical building stage due to the defects of low efficiency, high risk, high pollution, high loss and the like. The bridge prefabrication and assembly technology replaces the traditional process through industrialized, mechanized, standardized and green construction.

The capping beam, also called cap beam, refers to a beam installed on the top of the framed bent pier or a beam of reinforced concrete or less reinforced concrete installed on the pier or the row pile to support the upper structure of the bridge and transmit all the load to the lower structure. The traditional elevated capping beam mostly adopts a reinforced concrete cast-in-place mode, but the prefabricated capping beam is also adopted more and more along with the development requirement.

The capping beam formwork is a temporary supporting structure which enables concrete structures and members to form capping beams according to specified geometrical sizes, keeps the correct positions of the capping beams and bears the self weight of the capping beam formwork and external loads acting on the capping beam formwork. In order to realize parallel splicing of the segmental prefabricated cover beam templates, measuring tables are usually required to be erected at two ends of the templates, and measuring instruments are erected on the measuring tables, so that the segmental prefabricated cover beam template has the defects of large occupied area, complex operation, time and labor waste, low efficiency and the like.

Therefore, how to control the parallel splicing of the templates on the two sides and the middle template in the segmental precast bent cap is a problem which needs to be solved urgently by a person skilled in the art for improving the assembly efficiency and precision.

Disclosure of Invention

The invention solves the problems of complicated splicing operation between the templates of the segmental precast bent caps, high difficulty in parallel splicing and long time consumption in the prior art.

In order to solve the problems, the invention provides a positioning device for a segmental prefabricated cover beam template, which comprises a C-shaped support, wherein at least one end of the C-shaped support is provided with a small rotatable prism; the C-shaped support is provided with an adjusting assembly, and the adjusting assembly comprises a first adjusting piece and a second adjusting piece which are arranged along the long axis direction of the C-shaped support at intervals. The C-shaped support is quickly leveled through the adjusting assembly, and meanwhile, the small prisms in the positioning devices at different positions are utilized to quickly adjust the parallelism between the adjacent bent cap templates. The structures of the first adjusting piece and the second adjusting piece can be the same or different.

Preferably, a bubble level is arranged at the upper part of the C-shaped support, the first adjusting piece and the second adjusting piece are arranged at the lower part of the C-shaped support, and the first adjusting piece and the second adjusting piece are symmetrically arranged at the left end and the right end of the bubble level. The level of C type support can be realized without the help of external instrument through setting up the bubble spirit level, simple structure, convenient operation.

Preferably, first regulating part includes stabilizer blade, branch, connecting piece, connecting rod, branch is established in the upper end of stabilizer blade, the connecting rod is established the lower extreme of C type support, branch with the activity sets up between the connecting rod the connecting piece, the connecting piece can for branch and/or the connecting rod reciprocates.

Preferably, the supporting legs are rectangular blocks, and the long axis direction of the supporting legs is perpendicular to the long axis direction of the support. The arrangement can avoid the left side and the right side of the C-shaped bracket from being toppled due to uneven stress, and has simple structure and beautiful appearance.

Preferably, first regulating part still includes rotatable retaining member, the retaining member cover is established the periphery side of branch or connecting rod, the upper end of retaining member with the lower extreme of connecting piece or the lower extreme of retaining member with the upper end looks butt of connecting piece. When the connecting piece rotates to preset, the locking piece is rotated to be abutted to the connecting piece, and the locking piece is prevented from loosening and even falling off. As an example of the present invention, the connecting member is a nut, one end of the nut is screwed to the rod, and the other end of the nut is screwed to the connecting rod. Preferably, the C-shaped bracket is integrally formed or telescopically moved to adjust the length thereof.

Preferably, the end of the C-shaped support is provided with an adapter, the small prism is provided with a limiting part, and the adapter is rotatably arranged in the limiting part. The setting structure is simple, and the angle of the small prism is convenient to adjust.

Preferably, the bubble level comprises a straight section and a first extension section which are connected, wherein the straight section is flush with the upper end face of the first extension section, and the first extension section is arranged at one end far away from the straight section in an upward inclined mode. When being in non-horizontality, the bubble can reach the one end of bubble spirit level along the first extension section of slope setting fast, and alignment time is short, the location is accurate.

Preferably, the bubble level further comprises a second extension section, the second extension section is arranged at one end of the straight section far away from the first extension section, the first extension section is arranged close to one of the first adjusting piece or the second adjusting piece, and the second extension section is arranged close to the other one of the first adjusting piece or the second adjusting piece. This set up simple structure, the production and processing of being convenient for realizes the calibration fast and improves the calibration accuracy. Preferably, the first extension section and the second extension section are arranged in a left-right symmetrical manner along the central axis of the straight section.

Preferably, the first extension segment and/or the second extension segment gradually shrinks towards the middle at the end far away from the straight segment, the width of the first extension segment and/or the second extension segment at the end far away from the straight segment is D1, the width of the straight segment is D2, and 0.5X D2 is not less than D1 < D2. The setting can limit the moving path of the bubbles at two ends, so that the bubbles are quickly gathered, and the positioning efficiency is further improved.

Compared with the prior art, the positioning device for the segmental prefabricated cover beam template has the following beneficial effects: (1) the positioning device for the segmental prefabricated cover beam template is quickly leveled through the adjusting assembly, and parallel splicing of the cover beam template is ensured through the lower prism positioned at the end part of the positioning device; (2) the segmental precast capping beam template positioning device disclosed by the invention has the advantages that the structure of the bubble level is improved to enable the segmental precast capping beam template positioning device to be quickly leveled; meanwhile, the assembly accuracy and convenience are improved by adjusting the inclination angle of the first extension section or the second extension section and the length ratio of the first extension section or the second extension section to the straight section; (3) the positioning device for the segmental prefabricated cover beam template is simple in structure and convenient to produce and process.

The invention also provides an operation method of the positioning device for the segmental precast cover beam template, wherein the segmental precast cover beam template comprises a first template, a second template and a third template, and the operation method comprises the following steps: s1, installing a first template, and pre-installing a second template and a third template at a certain distance, wherein the second template and the third template are respectively positioned on two sides of the first template; s2, placing the segmental precast cover beam template positioning device at a preset position at the upper ends of the first template and the pre-installed second template, and adjusting an adjusting assembly to be horizontal; s3, viewing another preset position from the back of one small prism through a total station, and keeping the second template which is preassembled and the first template in parallel; specifically, the total station is erected at one end of a line parallel to the longitudinal center line of the prefabricated cover beam, the point of the other end on the parallel line is viewed from the back, all prisms in the member are aimed under the condition that a horizontal scale of the total station is not changed, and when the reading deviation of all the prisms is smaller than or equal to a design specification value, the deviation of the prefabricated cover beam template is qualified. And S4, controlling the pre-installed second template to be spliced with the adjacent first template in a parallel state. The operation method has the same beneficial effects as the segmental precast cover beam template positioning device, and the description is omitted here.

Drawings

FIG. 1 is a schematic structural view of a segmented prefabricated capping beam template positioning device according to an embodiment of the present invention;

FIG. 2 is another perspective view of a segmented prefabricated capping beam template positioning device according to an embodiment of the present invention;

FIG. 3 is a front view of a segmented prefabricated capping beam template positioning device according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a bubble level according to an embodiment of the present invention;

FIG. 5 is a top view of a bubble level according to an embodiment of the present invention;

FIG. 6 is a front view of the bubble level according to an embodiment of the present invention;

fig. 7 is a schematic view of the positioning device of the bent cap form and the assembly of the form according to the embodiment of the present invention.

Description of reference numerals:

1-C type stent; 11-an adjustment assembly; 111-a first adjustment member; 1111-feet; 1112-a strut; 1113-connecting piece; 1114-a locking member; 1115-links; 112-a second adjustment member; 12-an adapter; 13-bubble level; 131-a first extension; 132-a straight section; 133-a second extension; 2-a small prism; 21-a light-condensing section; 22-a limiting part; 3-a first template; 31-a front wall panel; 32-rear wall panel; 4-a second template; 5-a third template; 6-total station.

Detailed Description

The inventive concepts of the present disclosure will be described hereinafter using terms commonly employed by those skilled in the art to convey the substance of their work to others skilled in the art. These inventive concepts may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of their inclusion to those skilled in the art. It should also be noted that these embodiments are not mutually exclusive. A component, step, or element from one embodiment may be assumed to be present or used in another embodiment. The particular embodiments shown and described may be substituted for a wide variety of alternate and/or equivalent implementations without departing from the scope of the embodiments of the present disclosure. This application is intended to cover any adaptations or variations of the embodiments discussed herein. It will be apparent to those skilled in the art that alternative embodiments may be practiced using only some of the described aspects. Specific numbers, materials, and configurations are set forth in the examples for the purpose of illustration, however, alternative examples may be practiced by those skilled in the art without these specific details. In other instances, well-known features may be omitted or simplified in order not to obscure the illustrative embodiments. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "provided", "mounted", "connected" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the term "fixed" may be a bolted and/or screwed connection and/or a snap and/or a weld, which term is understood by a person skilled in the art as a matter of fact to have a special meaning in the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

As shown in fig. 1-3, a positioning device for a segmental prefabricated cover beam template comprises a C-shaped support 1, wherein a bubble level 13 is arranged on the C-shaped support 1, and a small rotatable prism 2 is arranged at one end of the bubble level 13. Preferably, a bubble level 13 is arranged at the upper part of the C-shaped bracket 1, an adjusting component 11 is arranged at the lower part of the C-shaped bracket 1 and is used for adjusting the level of the C-shaped bracket 1 in cooperation with the bubble level 13, and the small prism 2 is used for adjusting the parallelism between the adjacent first template 3 and the second template 4 and/or the third template 5. Preferably, one end of the C-shaped bracket 1 is provided with an adapter 12, one end of the small prism 2 is provided with a limiting part 22, and the adapter 12 is movably arranged in the limiting part 22. Preferably, the adapter 12 is cylindrical. The small prism 2 is provided with a light-gathering part 21, the light-gathering part 21 comprises a through hole arranged on the small prism 2, and a mirror surface is arranged on the inner wall surface of the through hole.

As an example of the present invention, the segmental precast cover beam template comprises a first template 3, a second template 4 is arranged at one side of the first template 3 at intervals, and a third template 5 is arranged at the other side of the first template 3 at intervals; the structures of the first template 3, the second template 4 and the third template 5 can be the same or different. Preferably, the first formwork 3, the second formwork 4 and the third formwork 5 have the same structure, the first formwork 3 includes a front wall plate 31 and a rear wall plate 32 which are oppositely arranged, and the front wall plate 31 and the rear wall plate 32 are connected through at least two side wall plates.

As an example of the present invention, the adjusting assembly 11 includes a first adjusting member 111, a second adjusting member 112; preferably, the first adjusting member 111 and the second adjusting member 112 are respectively located at two ends of the bubble level 13, and are used for adjusting the C-shaped bracket 1 to a horizontal position. Preferably, the first and second adjusting

members

111 and 112 are located on the long axis of the C-shaped stent 1. As an example of the present invention, the first adjusting member 111 includes a leg 1111 telescopically disposed on a lower end surface of the C-shaped bracket 1, and a long axis of the leg 1111 is perpendicular to a long axis of the C-shaped bracket 1. The support that this setting can be better avoids the atress inequality and emptys, simple structure, appearance are pleasing to the eye. Preferably, the first adjusting member 111 comprises a leg 1111 and a rod 1112 connected to each other, a link 1115 is disposed at the lower portion of the C-shaped bracket 1, and a telescopically movable connecting member 1113 is disposed between the rod 1112 and the link 1115. This arrangement maintains the long axis of the legs 1111 perpendicular to the long axis of the C-bracket 1 at all times. Preferably, the connecting member 1113 is a nut, one end of the nut is screwed with the supporting rod 1112, and the other end of the nut is screwed with the connecting rod 1115. Preferably, the C-shaped bracket 1 is integrally formed or telescopically moved to adjust the length thereof. Preferably, the C-shaped bracket 1 is retractable to facilitate adjustment of the distance between the first and second adjusting

members

111 and 112. The template adjusting device is simple in structure, can adjust the distance between the templates and is high in universality.

As shown in fig. 7, after the base of the first template 3 located in the middle is installed, two points with equal distance are measured at the distance of about one meter from the left and right of the base as the control points of the positioning device; after the second template 4 and/or the third template 5 located at the side of the first template 3 are initially assembled, the adjustment assembly 11 of the positioning device is adjusted to ensure the bubble level in the bubble level 13. Preferably, the bubble level 13 is disposed along the long axis direction of the C-shaped bracket 1, and the specific structure thereof is the prior art and is not described herein again. Specifically, the positioning device is lifted and placed on the control points, the small prism 2 of one control point looks at the other control point, the two control points are parallel to the transverse axis of the first template 3, and the first template 3 is adjusted to be parallel to the second template 4 and/or the third template 5 on the side part through the small prism 2.

Example 2

In application, the bubble level 13 which is conventionally arranged is in a long column shape, and if a slight inclination exists, the bubble level is difficult to quickly reflect; in order to further improve the positioning efficiency, the applicant proposes the following technical scheme.

As shown in fig. 1-3, a prefabricated bent cap template positioner of segmentation section, including C type support 1, the upper portion of C type support 1 sets up bubble spirit level 13, and the lower part of C type support 1 sets up adjusting part 11, at least one end of C type support 1 sets up adapter 12, the activity sets up little prism 2 on adapter 12, little prism 2 sets up spotlight portion 21 for adjust between adjacent first template 3 and second template 4 and/or the third template 5 parallelly. The light-gathering part 21 is a conventional art and will not be described herein. Preferably, adapter 12 is all set up at the both ends of C type support 1, little prism 2 has two, and the symmetry is established the left and right sides of C type support 1. The arrangement can simultaneously position from two sides of the template, thereby improving the assembly efficiency; meanwhile, when the small prism 2 on one side breaks down, the small prism 2 on the other side can be used, and the stability and the reliability of the device are ensured.

As an example of the present invention, the adjusting assembly 11 includes a first adjusting member 111 and a second adjusting member 112 spaced apart from each other along the longitudinal direction of the C-shaped bracket 1, and the first adjusting member 111 and the second adjusting member 112 are respectively located at two ends of the bubble level 13. The first and second adjusting

members

111 and 112 may have the same or different structures. Preferably, the first adjusting member 111 comprises a leg 1111 and a rod 1112 connected to each other, a link 1115 is disposed at the lower portion of the C-shaped bracket 1, and a telescopically movable connecting member 1113 is disposed between the rod 1112 and the link 1115. This arrangement maintains the long axis of the legs 1111 perpendicular to the long axis of the C-bracket 1 at all times. Preferably, the connecting member 1113 is a nut, one end of the nut is screwed with the supporting rod 1112, and the other end of the nut is screwed with the connecting rod 1115. Preferably, the first adjusting member 111 further comprises a locking member 1114, and the locking member 1114 can move up and down along the rod 1112; after the connecting member 1113 is rotated to a preset value, the locking member 1114 is rotated to abut against the connecting member 1113, so that the connecting member is prevented from loosening and even falling off.

In order to improve the positioning efficiency, the applicant improves the bubble level 13 arranged along the long axis direction of the C-shaped bracket 1. As shown in fig. 4 to 6, the bubble level 13 includes a first extending section 131, a straight section 132, and a second extending section 133, wherein the first extending section 131 is located at one side of the straight section 132, and the second extending section 133 is located at the other side of the straight section 132; the first extension 131 and/or the second extension 133 are inclined toward the upper portion of the C-shaped bracket 1 at an end away from the straight section 132. When in a non-horizontal state, the air bubble can quickly reach the end of the air bubble level 13 along the first extension segment 131 or the second extension segment 133 which is obliquely arranged, so that the calibration and positioning time is shortened. Preferably, the first extending section 131 and the second extending section 133 are arranged in a left-right symmetrical manner along the central axis of the straight section 132, so that the structure is simple and the appearance is beautiful. As an example of the present invention, the first extension 131 or the second extension 133 has an inclination angle of 15 to 45 °, a length in a horizontal direction of L1, a length of L2 of the straight section 132, and L1 of 1.5 to 3.0 × L2. For example, the horizontal length of the first extension 131 is 10cm, and the length of the straight section 132 is 5 cm. This setting can adjust the length of straight section 132 as required, compromises the accuracy and the location efficiency of location. Preferably, the first extension 131 and/or the second extension 133 are tapered at an end away from the straight section 132, that is: the first extension 131 and/or the second extension 133 have a width D1 at an end away from the straight section 132, and the straight section 132 has a width D2, wherein D1 < D2. The setting can limit the moving path of the bubbles at two ends, so that the bubbles are quickly gathered, and the positioning efficiency is further improved.

The invention also provides an operation method of the segmental prefabrication cover beam template positioning device, which comprises the following steps: s1, installing the first template 3, and pre-installing the second template 4 and/or the third template 5 at a certain distance; s2, placing the segmental precast cover beam template positioning device at a preset position on the top of the first template 3 and the pre-installed second template 4 and/or third template 5, and leveling the segmental precast cover beam template positioning device by the adjusting assembly 11; s3, viewing the small prism 2 of one of the small prisms at another predetermined position through the installed total station 6, so that the second template 4 and/or the third template 5 which are/is pre-installed are/is kept parallel to the first template 3; specifically, the total station 6 is erected at one end of a line parallel to the longitudinal center line of the prefabricated cover beam, the point of the other end on the parallel line is viewed from the back, all the small prisms 2 in the segmental prefabricated cover beam template positioning device are aimed under the condition that the horizontal scale of the total station 6 is kept unchanged, and when the reading deviation of all the small prisms 2 is not more than a design specification value, the deviation of the prefabricated cover beam template is qualified. And S4, controlling the pre-installed second template 4 and/or third template 5 to be spliced with the middle first template 3 in a parallel state. According to the method, a control console does not need to be erected on the template, the bent cap template can be intuitively and conveniently adjusted through the positioning device, and time and cost are saved.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The positioning device for the segmental prefabricated cover beam template is characterized by comprising a C-shaped support (1), wherein at least one end of the C-shaped support (1) is provided with a small rotatable prism (2); the C-shaped support (1) is provided with an adjusting component (11), and the adjusting component (11) comprises a first adjusting piece (111) and a second adjusting piece (112) which are arranged at intervals along the long axis direction of the C-shaped support (1).

2. The segmental precast cover beam template positioning device according to claim 1, wherein a bubble level (13) is arranged at the upper part of the C-shaped bracket (1), the first adjusting piece (111) and the second adjusting piece (112) are arranged at the lower part of the C-shaped bracket (1), and the first adjusting piece (111) and the second adjusting piece (112) are symmetrically arranged at the left end and the right end of the bubble level (13).

3. The segmented prefabricated cover beam template positioning device according to claim 2, wherein the first adjusting piece (111) comprises a supporting leg (1111), a supporting rod (1112), a connecting piece (1113) and a connecting rod (1115), the supporting rod (1112) is arranged at the upper end of the supporting leg (1111), the connecting rod (1115) is arranged at the lower end of the C-shaped bracket (1), the connecting piece (1113) is movably arranged between the supporting rod (1112) and the connecting rod (1115), and the connecting piece (1113) can move up and down relative to the supporting rod (1112) and/or the connecting rod (1115).

4. The segmented precast cover beam template positioning device according to claim 3, wherein the supporting legs (1111) are rectangular blocks, and the long axis direction of the supporting legs (1111) is perpendicular to the long axis direction of the C-shaped bracket (1).

5. The segmented prefabricated cover beam template positioning device according to claim 3, wherein the first adjusting piece (111) further comprises a rotatable locking piece (1114), the locking piece (1114) is sleeved on the outer peripheral side of the support rod (1112) or the connecting rod (1115), and the upper end of the locking piece (1114) abuts against the lower end of the connecting piece (1113) or the lower end of the locking piece (1114) abuts against the upper end of the connecting piece (1113).

6. The segmental prefabricated cover beam template positioning device according to the claim 1, wherein an adapter (12) is arranged at the end of the C-shaped support (1), a limiting part (22) is arranged on the small prism (2), and the adapter (12) is rotatably arranged in the limiting part (22).

7. The segmented precast cover beam template positioning device according to claim 2, wherein the bubble level (13) comprises a connected straight section (132) and a first extension section (131), the straight section (132) is flush with the upper end face of the first extension section (131), and the first extension section (131) is obliquely arranged upwards at one end far away from the straight section (132).

8. The segmented precast capping beam template positioning device according to claim 7, wherein the bubble level (13) further comprises a second extension section (133), the second extension section (133) is provided at an end of the flat section (132) away from the first extension section (131), the first extension section (131) is provided near one of the first adjustment member (111) or the second adjustment member (112), and the second extension section (133) is provided near the other of the first adjustment member (111) or the second adjustment member (112).

9. The segmented precast cover beam template positioning device according to claim 8, wherein the first extension segment (131) and/or the second extension segment (133) gradually shrinks towards the middle at the end far away from the flat segment (132), the width of the first extension segment (131) and/or the second extension segment (133) at the end far away from the flat segment (132) is D1, the width of the flat segment (132) is D2, wherein 0.5 x D2 ≦ D1 < D2.

10. A method of operating a segmented prefabricated capping beam template positioning device, the segmented prefabricated capping beam template comprising a first template (3), a second template (4), a third template (5), the method comprising:

s1, installing a first template (3), and pre-installing a second template (4) and a third template (5) at a certain distance, wherein the second template (4) and the third template (5) are positioned on two sides of the first template (3);

s2, placing the segmental precast cover beam template positioning device at a preset position at the upper ends of the first template (3), the second template (4) and the third template (5) which are preassembled, and adjusting an adjusting assembly (11) to be horizontal;

s3, looking back at another preset position from one small prism (2) through a total station (6), and keeping a second template (4) which is preassembled and the first template (3) in parallel;

and S4, controlling the second template (4) to be preassembled to be spliced with the adjacent first template (3) in a parallel state.