Construction method and construction device for UHPC assembly type bottom plate combined slab culvert

Abstract

The invention belongs to the field of UHPC (Ultra High Performance Concrete) cover plate construction, and particularly relates to a UHPC assembly type bottom plate combined cover plate culvert construction method and a construction device.The construction method comprises the following specific steps that S1, a high-precision shaping template is adopted, and a UHPC cover plate is finely prefabricated; s2, the size and the shape of the template are precisely designed, so that standardized production of the cover plate is guaranteed; s3, the UHPC cover plate in the special geometrical shape is transported through a special transportation support, transportation damage is reduced, and the transportation process is more stable; wherein the special transportation bracket in the step S3 comprises a bracket bottom plate; a rotating rod is rotationally matched with the side wall of the bracket bottom plate; a rotating shaft is rotationally matched with the side wall of the rotating rod; the side wall of the rotating shaft is in sliding fit with a sliding plate. The top of the sliding plate is fixedly connected with a threading plate; the threading plates are uniformly distributed at the top of the sliding plate; a UHPC cover plate body is placed at the top of the sliding plate; a damping assembly is installed on the top of the support bottom plate. The top of the support bottom plate is rotationally matched with a stopping assembly.

Description

[0001] Technology UHPC cover construction field

[0002] The invention belongs to the field of UHPC cover plate construction, and specifically relates to a UHPC assembled bottom plate combined cover plate culvert construction method and a construction device. Background Art

[0003] With the rapid development of modern transportation infrastructure, the construction of mountain highways faces many technical challenges, especially in valleys and village roads with complex terrain. Traditional bridge designs in these areas are often difficult to adapt to the needs of two-way traffic and have high construction costs.

[0004] The new UHPC prefabricated base plate combined cover culvert was developed under this background. This technology uses the high strength of UHPC to enhance the spanning capacity of the structure and reduce engineering costs.

[0005] However, conventional production methods cannot meet the precision requirements of size and shape of UHPC cover plates. There are also hidden dangers in the safety and stability of cover plate transportation and installation.

[0006] To this end, the present invention provides a UHPC assembled bottom plate combined cover culvert construction method and a construction device. Summary of the invention

[0007] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0008] The technical solution adopted by the present invention to solve the technical problem is: a UHPC assembled base plate combined cover plate construction method described in the present invention, the specific steps of the construction method are as follows:

[0009] S1: Use high-precision standardized templates to prefabricate UHPC cover plates;

[0010] S2: The size and shape of the template are precisely designed to ensure standardized production of the cover;

[0011] S3: Special transport brackets are used to transport UHPC covers with special geometric shapes, which avoids damage during transportation and makes the transportation process more stable;

[0012] S4: During the cover installation phase, a unique prefabricated UHPC cover installation technology was used;

[0013] S5: The coordinated operation of the two cranes enables the cover to be installed smoothly and quickly.

[0014] Preferably, the size and shape of the template in S2 are precisely designed to be an inverted π shape.

[0015] Preferably, the specific working steps of the dedicated transport bracket in S3 are as follows:

[0016] S11: The wire rope of the crane is passed through the middle of the threading plate to lift the threading plate and the UHPC cover plate body together; the sliding plate can be placed on the top of the buffer plate through the rotation cooperation between the sliding plate and the rotating shaft;

[0017] S12: The pulley that slides in the middle of the buffer plate can make the sliding plate move more smoothly; the telescopic rod can buffer the bumps during transportation;

[0018] S13; By rotating the stop plate 90° clockwise, the UHPC cover body can be stopped and limited by the limit buckle.

[0019] Preferably, the UHPC cover installation technology in S4 ensures the stability and safety of the cover during the lifting process by accurately calculating the lifting point positions and optimizing the lifting plan.

[0020] Preferably, the collaborative operation in S5 is achieved by using a technology of synchronous operation of two cranes to achieve smooth and rapid installation of the cover.

[0021] A UHPC assembled base plate combined cover plate construction device, the construction device is suitable for any one of the above-mentioned UHPC assembled base plate combined cover plate construction methods, wherein the special transport bracket in S3 includes a bracket base plate; the side wall of the bracket base plate is rotatably matched with a rotating rod; the side wall of the rotating rod is rotatably matched with a rotating shaft; the side wall of the rotating shaft is slidably matched with a sliding plate; the top of the sliding plate is fixedly connected with a threading plate; the threading plates are evenly distributed on the top of the sliding plate; the UHPC cover plate body is placed on the top of the sliding plate; the top of the bracket base plate is installed with a shock absorbing component; the top of the bracket base plate is rotatably matched with Blocking assembly: Through the setting of the threading plate, the steel wire rope of the crane can be used to make the movement of the sliding plate and the UHPC cover body more stable. Through the sliding relationship between the rotating shaft and the sliding plate, the sliding plate can be guided and supported when it falls on the shock-absorbing assembly installed on the top of the bracket bottom plate. Through the setting of the shock-absorbing assembly, the shaking of the UHPC cover body caused by bumps during transportation can be damped and buffered. The blocking assembly can be used to block the UHPC cover body when going uphill, so as to avoid the displacement of the UHPC cover body due to the uphill angle and its own weight, thereby enhancing the transportation stability effect of the special transport bracket.

[0022] Preferably, the shock absorbing assembly includes a telescopic rod; a telescopic rod is fixedly connected to the top of the bracket base plate; the telescopic rod is evenly distributed on the top of the bracket base plate; a buffer plate is fixedly connected to the top of the telescopic rod; an auxiliary sliding assembly is arranged in the middle of the buffer plate; a shock absorbing buffer is installed on the top of the bracket base plate; the shock absorbing buffer is arranged between the bracket base plate and the buffer plate; the shock absorbing buffer is evenly distributed on the top of the bracket base plate; through the arrangement of the shock absorbing buffer, the damper can be used to buffer and absorb the shaking caused by the bumps of the UHPC cover body during transportation, and the arrangement of the auxiliary sliding assembly can make the sliding of the sliding plate on the top of the buffer plate smoother, thereby further enhancing the shock absorbing effect of the special transport bracket.

[0023] Preferably, the auxiliary sliding assembly includes a pulley; the middle part of the buffer plate is rotatably matched with a pulley; the pulleys are evenly distributed in the middle of the buffer plate; a slide groove is opened at the bottom of the sliding plate; the slide grooves are evenly distributed at the bottom of the sliding plate; the pulley and the slide groove are slidably matched; through the arrangement of the pulley and the slide groove, auxiliary sliding can be performed when the sliding plate is placed on the top of the buffer plate, reducing the contact area and friction resistance between the bottom of the sliding plate and the top of the buffer plate, making the movement of the sliding plate smoother, facilitating the adjustment of the position of the sliding plate, and further enhancing the auxiliary sliding effect of the special transport bracket.

[0024] Preferably, the blocking assembly includes a rotating cover; a placement groove is provided at the bottom of the bracket base plate; the inner side wall of the placement groove is rotatably matched with the rotating cover; the side wall of the rotating cover is fixedly connected with a blocking plate; the inner side wall of the rotating groove is fixedly connected with a limit buckle; through the arrangement of the rotating cover and the blocking plate, the limit buckle can be used to support the end of the UHPC cover body when the sliding plate and the UHPC cover body are hoisted and adjusted to a good position, and when the UHPC cover body is displaced due to the inclination angle and deadweight of the uphill slope, the blocking effect of the special transport bracket is further enhanced.

[0025] The beneficial effects of the present invention are as follows:

[0026] 1. The present invention discloses a UHPC assembled base plate combined cover culvert construction method and construction device. Through the setting of the threading plate, the steel wire rope of the crane can be used to make the movement of the sliding plate and the UHPC cover plate body more stable. Through the sliding relationship between the rotating shaft and the sliding plate, the sliding plate can be guided and supported when it falls on the shock-absorbing component installed on the top of the bracket base plate. Through the setting of the shock-absorbing component, the shaking of the UHPC cover plate body caused by bumps during transportation can be damped and buffered. Through the blocking component, the UHPC cover plate body can be blocked when going uphill, so as to avoid the displacement of the UHPC cover plate body due to the uphill angle and its own weight, thereby enhancing the transportation stability effect of the special transport bracket.

[0027] 2. The UHPC assembled base plate combined cover culvert construction method and construction device described in the present invention can use the damper to buffer and absorb the shaking of the UHPC cover body caused by the bumps during transportation through the setting of the shock-absorbing buffer. The auxiliary sliding component can make the sliding of the sliding plate on the top of the buffer plate smoother, further enhancing the shock-absorbing effect of the special transport bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The present invention will be further described below in conjunction with the accompanying drawings.

[0029] Figure 1 is a method flow chart of the construction method of the present invention;

[0030] Figure 2 It is a flow chart of the working steps of the special transport bracket for construction equipment in the present invention;

[0031] Figure 3 It is a three-dimensional schematic diagram of a special transport bracket for a construction device in the present invention;

[0032] Figure 4 It is a schematic diagram of the structure of the special transport bracket for the construction device in the present invention when viewed from above.

[0033] Figure 5 It is a schematic diagram of the final placement structure of the special transport bracket for the construction device in the present invention.

[0034] Figure 6 It is a structural schematic diagram of the shock absorbing buffer in the present invention.

[0035] In the figure: 1. bracket bottom plate; 11. rotating rod; 12. rotating shaft; 13. sliding plate; 14. threading plate; 15. UHPC cover body; 2. buffer plate; 21. shock-absorbing buffer; 22. telescopic rod; 3. pulley; 31. slide groove; 4. rotating cover; 41. blocking plate; 42. limit buckle. DETAILED DESCRIPTION

[0036] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0037] like Figure 1 As shown, a UHPC assembled bottom plate combined cover culvert construction method and construction device according to an embodiment of the present invention, the specific steps of the construction method are as follows:

[0038] S1: Use high-precision standardized templates to prefabricate UHPC cover plates;

[0039] S2: The size and shape of the template are precisely designed to ensure standardized production of the cover;

[0040] S3: Special transport brackets are used to transport UHPC covers with special geometric shapes, which avoids damage during transportation and makes the transportation process more stable;

[0041] S4: During the cover installation phase, a unique prefabricated UHPC cover installation technology was used;

[0042] S5: The coordinated operation of the two cranes enables the cover to be installed smoothly and quickly.

[0043] As shown in the figure, the size and shape of the template in S2 are precisely designed to be an inverted π shape.

[0044] As shown in the figure, the specific working steps of the dedicated transport bracket in S3 are as follows:

[0045] S11: The wire rope of the crane is passed through the middle of the threading plate 14 to lift the threading plate 14 and the UHPC cover plate body 15 together; the sliding plate 13 can be placed on the top of the buffer plate 2 by rotating the sliding plate 13 and the rotating shaft 12;

[0046] S12: The pulley 3 that slides in the middle of the buffer plate 2 can make the movement of the sliding plate 13 smoother; the telescopic rod 22 can buffer the bumps during transportation;

[0047] S13; By rotating the stop plate 41 90° clockwise, the limit buckle 42 can be used to stop the UHPC cover body 15.

[0048] like Figures 1 to 6 As shown, the UHPC cover installation technology in S4 ensures the stability and safety of the cover during the lifting process by accurately calculating the lifting point position and optimizing the lifting plan.

[0049] like Figures 1 to 6 As shown, the collaborative operation in S5 is achieved through the technology of synchronous operation of two cranes, which realizes the smooth and fast installation of the cover.

[0050] like Figures 3 to 6As shown, a UHPC assembled base plate combined cover plate construction device is applicable to any of the above-mentioned UHPC assembled base plate combined cover plate construction methods, wherein the special transport bracket in S3 includes a bracket base plate 1; the side wall of the bracket base plate 1 is rotatably matched with a rotating rod 11; the side wall of the rotating rod 11 is rotatably matched with a rotating shaft 12; the side wall of the rotating shaft 12 is slidably matched with a sliding plate 13; the top of the sliding plate 13 is fixedly connected with a threading plate 14; the threading plate 14 is evenly connected to the top of the sliding plate 13 distribution; a UHPC cover body 15 is placed on the top of the sliding plate 13; a shock absorbing assembly is installed on the top of the bracket bottom plate 1; a blocking assembly is rotatably matched with the top of the bracket bottom plate 1; when working, when the steel wire rope of the crane passes through the threading plate 14 and is fixed, the sliding plate 13 and the UHPC cover body 15 can be stably lifted and moved, and the sliding plate 13 can be guided and supported when it falls on the shock absorbing assembly through the sliding match between the rotating shaft 12 and the sliding plate 13, thereby reducing the UHPC cover body 15 The damage caused by direct contact with the transport vehicle can be reduced by the shock-absorbing component when the transport vehicle encounters bumps, thereby reducing the damage of the UHPC cover body 15 caused by bumps. The blocking component can block and limit the UHPC cover body 15 when the transport vehicle is going uphill, thereby preventing the UHPC cover body 15 from sliding and causing dislocation due to the inclination angle of the uphill slope. The setting of the threading plate 14 can make use of the steel wire rope of the crane to make the movement of the sliding plate 13 and the UHPC cover body 15 more stable. Through the sliding relationship between the rotating shaft 12 and the sliding plate 13, the sliding plate 13 can be guided and supported when it falls on the shock-absorbing component installed on the top of the bracket bottom plate 1. Through the setting of the shock-absorbing component, the shaking of the UHPC cover body 15 caused by bumps during transportation can be reduced and buffered. The blocking component can block the UHPC cover body 15 when going uphill, thereby preventing the UHPC cover body 15 from being displaced due to the uphill angle and its own weight, thereby enhancing the transportation stability effect of the special transport bracket.

[0051] like Figure 3 Figure 6As shown, the shock absorbing assembly includes a telescopic rod 22; the top of the bracket bottom plate 1 is fixedly connected to the telescopic rod 22; the telescopic rod 22 is evenly distributed on the top of the bracket bottom plate 1; the top of the telescopic rod 22 is fixedly connected to a buffer plate 2; an auxiliary sliding assembly is arranged in the middle of the buffer plate 2; a shock absorbing buffer 21 is installed on the top of the bracket bottom plate 1; the shock absorbing buffer 21 is arranged between the bracket bottom plate 1 and the buffer plate 2; the shock absorbing buffer 21 is evenly distributed on the top of the bracket bottom plate 1; when working, the UHPC cover placed on the top of the buffer plate 2 can be When the plate body 15 shakes, shock absorption and buffering are performed. Through the sliding component arranged in the middle of the buffer plate 2, the contact area between the bottom of the sliding plate 13 and the top of the buffer plate 2 can be reduced, and the sliding plate 13 can be assisted to slide, so that the UHPC cover plate body 15 can move more smoothly on the top of the buffer plate 2; through the setting of the shock-absorbing buffer 21, the damper can be used to buffer and absorb the shaking caused by the bumps of the UHPC cover plate body 15 during transportation. The setting of the auxiliary sliding component can make the sliding of the sliding plate 13 on the top of the buffer plate 2 smoother, further enhancing the shock absorption effect of the special transport bracket.

[0052] like Figure 3 Figure 6 When the cam 13 is in the forward position, the cam 13 is in the forward position, and the cam 13 is in the forward position, so that ...

[0053] like Figure 3 Figure 6As shown, the blocking assembly includes a rotating cover 4; a placement groove is provided at the bottom of the bracket bottom plate 1; the inner side wall of the placement groove is rotatably matched with the rotating cover 4; the side wall of the rotating cover 4 is fixedly connected with a blocking plate 41; the inner side wall of the rotating groove is fixedly connected with a limiting buckle 42; when working, when the sliding plate 13 and the UHPC cover body 15 are hoisted and adjusted to the position, the rotating cover 4 in the rotating groove is rotated 90° clockwise, and the limiting buckle 42 is used to clamp the blocking plate 41, and the end of the UHPC cover body 15 is blocked, and the UHPC cover body 15 is blocked. When the HPC cover body 15 is displaced and slides due to the uphill angle and its own weight, the end of the UHPC cover body 15 is supported and blocked; by setting the rotating cover 4 and the blocking plate 41, the limit buckle 42 can be used to block the end of the UHPC cover body 15 when the sliding plate 13 and the UHPC cover body 15 are hoisted and adjusted to a good position, and when the UHPC cover body 15 is displaced due to the uphill inclination angle and its own weight, it is blocked, thereby further enhancing the blocking effect of the special transport bracket.

[0054] During operation, when the steel wire rope of the crane passes through the threading plate 14 and is fixed, the sliding plate 13 and the UHPC cover body 15 can be stably lifted and moved. The sliding cooperation between the rotating shaft 12 and the sliding plate 13 can guide and support the sliding plate 13 when it falls on the shock-absorbing assembly, thereby reducing the damage caused by the direct contact between the UHPC cover body 15 and the transport vehicle. The shock-absorbing assembly can be used to absorb shock and buffer when the transport vehicle encounters bumps, thereby reducing the damage caused to the UHPC cover body 15 due to bumps. The blocking assembly can be used to block and limit the UHPC cover body 15 when the transport vehicle is going uphill, thereby preventing the UHPC cover body 15 from sliding and causing dislocation due to the inclination angle of the uphill slope. The damper inside the shock-absorbing buffer 21 can be used to absorb shock and buffer when the UHPC cover body 15 placed on the top of the buffer plate 2 shakes. The sliding assembly can reduce the contact area between the bottom of the sliding plate 13 and the top of the buffer plate 2, and assist the sliding of the sliding plate 13, so that the UHPC cover body 15 can move more smoothly on the top of the buffer plate 2. Through the sliding cooperation between the pulley 3 and the slide groove 31, when the sliding plate 13 is accurately lifted by the crane on the top of the buffer plate 2, the bottom of the sliding plate 13 can be assisted to slide, so that the friction resistance when the sliding plate 13 is pushed is reduced. Through the setting of the pulley 3 and the slide groove 31, when the sliding plate 13 and the UHPC cover body 15 are hoisted and adjusted to the position, the rotating cover 4 in the rotating groove is rotated 90° clockwise, and the blocking plate 41 is clamped by the limit buckle 42 to block the end of the UHPC cover body 15. When the UHPC cover body 15 is displaced and slid due to the uphill angle and its own weight, the end of the UHPC cover body 15 is supported and blocked.

[0055] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A UHPC assembled base plate combined cover plate construction method, characterized in that: The specific steps of this construction method are as follows: S1: Use high-precision standardized templates to prefabricate UHPC cover plates; S2: The size and shape of the template are precisely designed to ensure standardized production of the cover; S3: Special transport brackets are used to transport UHPC covers with special geometric shapes, which avoids damage during transportation and makes the transportation process more stable; S4: During the cover installation phase, a unique prefabricated UHPC cover installation technology was used; S5: The coordinated operation of the two cranes enables the cover to be installed smoothly and quickly.

2. A UHPC assembled base plate combined cover plate construction method according to claim 1, characterized in that: The size and shape of the template in S2 are precisely designed to be an inverted π shape.

3. A UHPC assembled base plate combined cover plate construction method according to claim 1, characterized in that: The specific working steps of the dedicated transport bracket in S3 are as follows: S11: The wire rope of a crane is passed through the middle of the threading plate (14), and the threading plate (14) and the UHPC cover plate body (15) are lifted together; the sliding plate (13) can be placed on the top of the buffer plate (2) by rotating the sliding plate (13) and the rotating shaft (12); S12: The pulley (3) that is slidably matched in the middle of the buffer plate (2) can make the movement of the sliding plate (13) smoother; the telescopic rod (22) can buffer the bumps during transportation; S13; By rotating the stop plate (41) clockwise by 90°, the stop buckle (42) can be used to stop the UHPC cover plate body (15).

4. A UHPC assembled base plate combined cover plate construction method according to claim 1, characterized in that: The UHPC cover installation technology in S4 ensures the stability and safety of the cover during the lifting process by accurately calculating the lifting point position and optimizing the lifting plan.

5. A UHPC assembled base plate combined cover plate construction method according to claim 1, characterized in that: The collaborative operation in S5 is a technology that uses two cranes to operate synchronously, which enables the smooth and fast installation of the cover.

6. A UHPC assembled base plate combined cover plate construction device, which is applicable to any one of the UHPC assembled base plate combined cover plate construction methods of claims 1-5, characterized in that: The special transport bracket in S3 comprises a bracket bottom plate (1); a rotating rod (11) is rotatably matched with the side wall of the bracket bottom plate (1); a rotating shaft (12) is rotatably matched with the side wall of the rotating rod (11); a sliding plate (13) is slidably matched with the side wall of the rotating shaft (12); a threading plate (14) is fixedly connected to the top of the sliding plate (13); the threading plates (14) are evenly distributed on the top of the sliding plate (13); a UHPC cover plate body (15) is placed on the top of the sliding plate (13); a shock absorbing component is installed on the top of the bracket bottom plate (1); and a blocking component is rotatably matched with the top of the bracket bottom plate (1).

7. A UHPC assembled base plate combined cover plate construction device according to claim 6, characterized in that: The shock absorbing assembly comprises a telescopic rod (22); the top of the bracket bottom plate (1) is fixedly connected to the telescopic rod (22); the telescopic rod (22) is evenly distributed on the top of the bracket bottom plate (1); the top of the telescopic rod (22) is fixedly connected to a buffer plate (2); an auxiliary sliding assembly is arranged in the middle of the buffer plate (2); a shock absorbing buffer (21) is installed on the top of the bracket bottom plate (1); the shock absorbing buffer (21) is arranged between the bracket bottom plate (1) and the buffer plate (2); the shock absorbing buffer (21) is evenly distributed on the top of the bracket bottom plate (1).

8. A UHPC assembled base plate combined cover plate construction device according to claim 7, characterized in that: The auxiliary sliding component comprises a pulley (3); the middle part of the buffer plate (2) is rotatably matched with the pulley (3); the pulley (3) is evenly distributed in the middle part of the buffer plate (2); a slide groove (31) is provided at the bottom of the sliding plate (13); the slide groove (31) is evenly distributed at the bottom of the sliding plate (13); the pulley (3) and the slide groove (31) are slidably matched.

9. A UHPC assembled base plate combined cover plate construction device according to claim 6, characterized in that: The blocking component comprises a rotating cover (4); a placement groove is provided at the bottom of the bracket bottom plate (1); the inner side wall of the placement groove is rotatably matched with the rotating cover (4); the side wall of the rotating cover (4) is fixedly connected to a blocking plate (41); and the inner side wall of the rotating groove is fixedly connected to a limiting buckle (42).

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