Creeping formwork for bridge pier column construction

Abstract

The utility model relates to the technical field of pier column construction, and discloses a creeping formwork for bridge pier column construction. In the using process, the moving ends of the multiple second hydraulic cylinders are controlled to be in an extending state, the moving ends of the multiple first oil cylinders are controlled to be in a retreating state, the multiple clamping heads can abut against the multiple supporting rods correspondingly, and the peripheral pressing plates can be separated from the four side faces of the pier column. And at the moment, the whole creeping formwork can be lifted along with continuous extension of the moving ends of the second hydraulic cylinders. And after the climbing formwork is lifted to a proper position, the movable ends of the first oil cylinders are controlled to stretch out until the peripheral pressing plates abut against the four side faces of the pier column, and then the whole climbing formwork can be fixed to the pier column. And after fixing is completed, the moving ends of the multiple second hydraulic cylinders are controlled to return till the multiple clamping heads are reset, the multiple supporting rods are welded and lengthened, and formwork climbing can be continuously conducted by repeating the operation. The mode of welding and lengthening the supporting rods is adopted, trepanning of pier joints and additional installation of bolts are not needed, time and labor are saved, and creeping formwork lifting is facilitated.

Description

Technical Field

[0001] The present application relates to the technical field of pier construction, for example, to a climbing formwork for bridge pier construction. Background Art

[0002] The related art (Announcement No.: CN216587687U) discloses a high pier column hydraulic climbing formwork, including a wall attachment device, a hydraulic jacking system, a climbing frame device, a formwork device, a guide rail and a clamping device. The guide rail is detachably connected to the wall attachment device, the clamping device is connected to the lower reversing box of the hydraulic jacking system, and the clamping device is connected to the guide rail to clamp the guide rail.

[0003] In the process of implementing the above embodiments, it is found that there are at least the following problems in the related art:

[0004] During use, the clamping device clamps the guide rail when the climbing frame device and the formwork device are lifted, so that the gravity of the climbing frame device and the formwork device will not be concentrated on the reversing pawl of the hydraulic jacking system, and the climbing formwork is not easily damaged by fatigue due to stress concentration. However, each time the device climbs a pier section, it is necessary to open a hole on the surface of the newly cast pier section, and then fix the guide rail to the surface of the pier section by bolts. In addition, in order to ensure the connection strength between the guide rail and the pier section, a large number of holes need to be opened and bolts installed, which is time-consuming and labor-intensive.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0007] The disclosed embodiment provides a climbing formwork for bridge pier construction to facilitate the lifting of the climbing formwork.

[0008] In some embodiments, the climbing formwork for bridge pier construction is applied to the pier, comprising: a lifting frame, built around the pier; a first screw rod, evenly installed around the lifting frame; a template, respectively connected to the plurality of first screw rods around the pier, the templates around the pier are respectively against the four sides of the pier, and enclosed to form a rectangular tube with openings at both ends; a first oil cylinder, evenly installed around the lifting frame, along the height direction of the pier, the plurality of the first oil cylinders are located below the plurality of the first screw rods, and the moving end of each of the first oil cylinders is facing Towards the pier column; a pressure plate is respectively connected to the moving end of each of the first oil cylinders; a support rod is evenly buried in the pier column along the height direction of the pier column; a second oil cylinder is evenly installed on the top of the lifting frame and is respectively opposite to a plurality of the support rods; a clamp is respectively installed at the moving end of each of the second oil cylinders; wherein, when the moving ends of the plurality of the first oil cylinders are in an extended state, the surrounding pressure plates are respectively against the four sides of the pier column; when the moving ends of the plurality of the second oil cylinders are in an extended state, the plurality of clamps are respectively against the plurality of the support rods.

[0009] Optionally, it also includes: second screw rods, evenly installed around the lifting frame, along the height direction of the pier, multiple second screw rods are located below multiple first screw rods; rollers, respectively installed on multiple second screw rods around, and multiple rollers around are respectively against four sides of the pier.

[0010] Optionally, it also includes: shaft sleeves, which are evenly installed around the lifting frame and are respectively adjacent to each of the first oil cylinders; and optical axes, which are slidably arranged in each of the shaft sleeves and are respectively connected to the corresponding pressure plates.

[0011] Optionally, it also includes: threaded cylinders, evenly distributed between the templates around and the top of the lifting frame; adjusting screws, respectively installed at both ends of each threaded cylinder, and the multiple adjusting screws at both ends are respectively rotatably connected between the top of the lifting frame and the templates around.

[0012] Optionally, it also includes: a support, which is rotatably installed on the multiple adjusting screws at both ends, and the multiple supports at both ends are respectively connected to the top of the lifting frame and the templates around it.

[0013] Optionally, it also includes: an operating platform, built on the top of the lifting frame.

[0014] Optionally, it also includes: a hoist, which is built on the top of the lifting frame and located on the inner side of the operating platform.

[0015] Optionally, it also includes: a ladder connected to the lifting frame.

[0016] Optionally, it also includes: reinforcing rods evenly installed on the lifting frame.

[0017] The climbing formwork for bridge pier construction provided by the embodiments of the present disclosure can achieve the following technical effects:

[0018] A climbing formwork for bridge pier construction provided by the embodiment of the present disclosure is applied to the pier, and includes a lifting frame, a first screw, a template, a first oil cylinder, a pressure plate, a support rod, a second oil cylinder and a clamp. The lifting frame is built around the pier as a connecting member between the template and the concrete, and the structure is an "open"-shaped portal frame. The first screw rod is evenly installed around the lifting frame to support the installation template. The template is respectively connected to multiple first screw rods around the four sides, and the template around the four sides is enclosed to form a rectangular tube with openings at both ends, which is used to cast a rectangular pier. The first oil cylinder is evenly installed around the lifting frame. Along the height direction of the pier, multiple first oil cylinders are located below multiple first screw rods, and the moving end of each first oil cylinder faces the pier and is used to provide driving force. The pressure plate is respectively connected to the moving end of each first oil cylinder, and performs linear motion under the drive of the multiple first oil cylinders. The support rod is evenly buried in the pier along the height direction of the pier. During the lifting process, the load is transmitted to multiple support rods through the lifting frame. The second oil cylinders are evenly installed on the top of the lifting frame and are respectively opposite to the multiple support rods, and are used to provide driving force. The clamps are respectively installed on the moving ends of each second oil cylinder, and are used to clamp with the support rods to play a role of limiting. Among them, when the moving ends of the multiple first oil cylinders are in the extended state, the surrounding pressure plates are respectively against the four sides of the pier column. When the moving ends of the multiple second oil cylinders are in the extended state, the multiple clamps are respectively against the multiple support rods.

[0019] During use, the moving ends of the multiple second hydraulic cylinders are controlled to be in an extended state, and the moving ends of the multiple first oil cylinders are controlled to be in a retracted state, so that the multiple clamps can be respectively abutted against the multiple support rods, and the surrounding pressure plates can be separated from the four sides of the pier. At this time, as the moving ends of the multiple second hydraulic cylinders continue to extend, the entire climbing formwork can be lifted. After lifting to the appropriate position, the moving ends of the multiple first oil cylinders are controlled to be extended until the surrounding pressure plates abut against the four sides of the pier, and the entire climbing formwork can be fixed to the pier. After the fixation is completed, the moving ends of the multiple second hydraulic cylinders are controlled to retract until the multiple clamps are reset, and the multiple support rods are welded and extended. Repeat the above operations to continue the climbing formwork. Compared with the method of splicing guide rails, the method of welding and extending support rods does not require drilling holes in the pier sections and installing bolts, which saves time and effort and facilitates the lifting of the climbing formwork.

[0020] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0022] Figure 1 It is a structural schematic diagram of a climbing formwork for bridge pier construction provided by an embodiment of the present disclosure;

[0023] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 3 yes Figure 1 A schematic diagram of the enlarged structure at B in the middle;

[0025] Figure 4 yes Figure 1 Schematic diagram of the enlarged structure at point C in the middle.

[0026] Reference numerals:

[0027] 1: pier; 2: lifting frame; 3: first screw; 4: template; 5: first cylinder; 6: pressure plate; 7: support rod; 8: second cylinder; 9: clamp; 10: second screw; 11: roller; 12: bushing; 13: optical axis; 14: threaded barrel; 15: adjusting screw; 16: support; 17: operating platform; 18: hoist; 19: ladder; 20: reinforcing rod. DETAILED DESCRIPTION

[0028] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0029] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0030] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0031] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0032] Unless otherwise stated, the term "plurality" means two or more.

[0033] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0034] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0036] Combination Figures 1 to 4As shown, the embodiment of the present disclosure provides a climbing formwork for bridge pier construction, which is applied to the pier 1 and includes a lifting frame 2, a first screw rod 3, a template 4, a first oil cylinder 5, a pressing plate 6, a support rod 7, a second oil cylinder 8 and a clamp 9. The lifting frame 2 is built around the pier 1. The first screw rod 3 is evenly installed around the lifting frame 2. The template 4 is respectively connected to the first screw rods 3 around the four sides, and the templates 4 around the four sides are respectively against the four sides of the pier 1, and enclose a rectangular tube with openings at both ends. The first oil cylinder 5 is evenly installed around the lifting frame 2. Along the height direction of the pier 1, the first oil cylinders 5 are located below the first screw rods 3, and the moving end of each first oil cylinder 5 faces the pier 1. The pressing plate 6 is respectively connected to the moving end of each first oil cylinder 5. The support rod 7 is evenly buried in the pier 1 along the height direction of the pier 1. The second oil cylinder 8 is evenly installed on the top of the lifting frame 2 and is respectively opposite to the support rods 7. The clamp 9 is respectively installed at the moving end of each second oil cylinder 8. When the moving ends of the first oil cylinders 5 are in the extended state, the surrounding pressure plates 6 respectively abut against the four sides of the pier column 1. When the moving ends of the second oil cylinders 8 are in the extended state, the clamps 9 respectively abut against the support rods 7.

[0037] A climbing formwork for bridge pier construction provided by the embodiment of the present disclosure is applied to the pier 1, and includes a lifting frame 2, a first screw rod 3, a template 4, a first oil cylinder 5, a pressing plate 6, a support rod 7, a second oil cylinder 8 and a clamp 9. The lifting frame 2 is built around the pier 1 as a connecting member between the template 4 and the concrete. The first screw rod 3 is evenly installed around the lifting frame 2 to support the installation template 4. The template 4 is respectively connected to multiple first screw rods 3 around the four sides, and the templates 4 around the four sides are enclosed to form a rectangular tube with openings at both ends, which is used to cast the rectangular pier 1. The first oil cylinder 5 is evenly installed around the lifting frame 2. Along the height direction of the pier 1, multiple first oil cylinders 5 are located below multiple first screw rods 3, and the moving end of each first oil cylinder 5 faces the pier 1, and is used to provide driving force. The pressing plate 6 is respectively connected to the moving end of each first oil cylinder 5, and performs linear motion under the drive of the multiple first oil cylinders 5. The support rods 7 are evenly buried in the pier 1 along the height direction of the pier 1. During the lifting process, the load is transmitted to the multiple support rods 7 through the lifting frame 2. The second oil cylinders 8 are evenly installed on the top of the lifting frame 2, and are respectively opposite to the multiple support rods 7, and are all used to provide driving force. The clamps 9 are respectively installed at the moving ends of each second oil cylinder 8, and are used to clamp with the support rod 7 to play a limiting role. Among them, when the moving ends of the multiple first oil cylinders 5 are in the extended state, the surrounding pressure plates 6 are respectively against the four sides of the pier 1. When the moving ends of the multiple second oil cylinders 8 are in the extended state, the multiple clamps 9 are respectively against the multiple support rods 7.

[0038] During use, the moving ends of the multiple second hydraulic cylinders are controlled to be in an extended state, and the moving ends of the multiple first oil cylinders 5 are controlled to be in a retracted state, so that the multiple clamps 9 can respectively abut against the multiple support rods 7, and the surrounding pressure plates 6 can be separated from the four sides of the pier column 1. At this time, as the moving ends of the multiple second hydraulic cylinders continue to extend, the entire climbing formwork can be lifted. After lifting to the appropriate position, the moving ends of the multiple first oil cylinders 5 are controlled to be extended until the surrounding pressure plates 6 abut against the four sides of the pier column 1, and the entire climbing formwork can be fixed to the pier column 1. After the fixation is completed, the moving ends of the multiple second hydraulic cylinders are controlled to retract until the multiple clamps 9 are reset, and the multiple support rods 7 are welded and extended. Repeat the above operation to continue the climbing formwork. Compared with the method of splicing guide rails, the method of welding and extending the support rods 7 does not require drilling holes in the pier sections and installing bolts, etc., which saves time and effort and facilitates the lifting of the climbing formwork.

[0039] Optionally, combined Figure 1 and Figure 2 As shown, the lifting frame 2 further includes second screw rods 10 and rollers 11. The second screw rods 10 are evenly installed around the lifting frame 2, and along the height direction of the pier column 1, multiple second screw rods 10 are located below multiple first screw rods 3. Rollers 11 are respectively installed on multiple second screw rods 10 around the pier column 1, and multiple rollers 11 around the pier column 1 are respectively against the four sides.

[0040] In the disclosed embodiment, a second screw rod 10 and a roller 11 are also included. The second screw rods 10 are evenly installed around the lifting frame 2, and are respectively used to support and install the rollers 11. The rollers 11 are respectively installed on multiple second screw rods 10 around the lifting frame, and are used to contact the pier body concrete during the lifting process to ensure the stability of the entire system lifting process.

[0041] Optionally, combined Figure 1 and Figure 3 As shown, it also includes a sleeve 12 and an optical axis 13. The sleeves 12 are evenly installed around the lifting frame 2 and are respectively adjacent to each first oil cylinder 5. The optical axis 13 is slidably arranged in each sleeve 12 and is respectively connected to the corresponding pressing plate 6.

[0042] In the disclosed embodiment, a sleeve 12 and an optical axis 13 are also included. The sleeves 12 are evenly installed around the lifting frame 2 and are respectively adjacent to each first oil cylinder 5, and are used to support and install the slidable optical axis 13. The optical axis 13 is slidably arranged in each sleeve 12 and is respectively connected to the adjacent pressure plate 6, and can perform linear motion relative to multiple sleeves 12. The sleeve 12 and the optical axis 13 together play the role of guiding support to reduce the radial force on the first oil cylinder 5, thereby extending the service life of the first oil cylinder 5.

[0043] Optionally, combined Figure 1 and Figure 4As shown, it also includes a threaded barrel 14 and an adjusting screw 15. The threaded barrel 14 is evenly distributed between the surrounding templates 4 and the top of the lifting frame 2. The adjusting screw 15 is respectively installed at both ends of each threaded barrel 14, and the multiple adjusting screws 15 at both ends are rotatably connected between the top of the lifting frame 2 and the surrounding templates 4.

[0044] In the disclosed embodiment, a threaded barrel 14 and an adjusting screw 15 are also included. During use, the threaded barrel 14 is rotated, and the extension length of the adjusting screw 15 can be changed through the interaction between the threads. By rotating each threaded barrel 14 separately, the distance between the surrounding template 4 and the top of the lifting frame 2 can be controlled, and the verticality of the surrounding template 4 can be adjusted. After the surrounding template 4 is adjusted to a suitable distance and verticality, the first screw 3 can be installed on the lifting frame 2 to fix the position of the surrounding template 4.

[0045] Optionally, combined Figure 1 and Figure 4 As shown, it also includes a support 16. The support 16 is rotatably mounted on the multiple adjusting screws 15 at both ends, and the multiple supports 16 at both ends are respectively connected to the top of the lifting frame 2 and the surrounding templates 4.

[0046] In the disclosed embodiment, it also includes supports 16 rotatably mounted on the multiple adjusting screws 15 at both ends. The multiple supports 16 at both ends are respectively connected to the top of the lifting frame 2 and the surrounding templates 4, so that the multiple adjusting screws 15 at both ends can be rotated relative to the top of the lifting frame 2 and the surrounding templates 4, respectively, to achieve the rotation function, and at the same time play a role in eliminating installation errors.

[0047] Optionally, combined Figure 1 As shown, it also includes an operating platform 17. The operating platform 17 is built on the top of the lifting frame 2.

[0048] In the disclosed embodiment, an operating platform 17 is also included, which is built on the top of the lifting frame 2. The operating platform 17 is used for workers to perform construction work and ensure the life safety of the workers.

[0049] Optionally, combined Figure 1 As shown, it also includes a hoist 18. The hoist 18 is built on the top of the lifting frame 2 and is located on the inner side of the operating platform 17.

[0050] In the disclosed embodiment, a hoist 18 is also included, which is built on the top of the lifting frame 2 and located inside the operating platform 17. The hoist 18 is used to lift materials to facilitate the construction of the pier 1.

[0051] Optionally, combined Figure 1 As shown, it also includes a ladder 19. The ladder 19 is connected to the lifting frame 2.

[0052] In the disclosed embodiment, a ladder 19 connected to the lifting frame 2 is also included. The ladder 19 is used for workers to walk and climb, so as to facilitate high-altitude operations.

[0053] Optionally, combined Figure 1 As shown, it also includes a reinforcing rod 20. The reinforcing rod 20 is evenly installed on the lifting frame 2.

[0054] In the disclosed embodiment, the lifting frame 2 further includes reinforcing rods 20 uniformly mounted on the lifting frame 2. The reinforcing rods 20 are used to improve the structural strength of the lifting frame 2 to prevent the lifting frame 2 from being deformed or falling apart under the action of external forces.

[0055] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A climbing formwork for bridge pier construction, applied to the pier, characterized in that: include: A lifting frame is constructed around the pier; The first screw rod is evenly installed around the lifting frame; A template is connected to the plurality of first screws at the periphery, respectively, and the templates at the periphery are respectively against the four sides of the pier column to enclose a rectangular tube with openings at both ends; First oil cylinders are evenly installed around the lifting frame, along the height direction of the pier column, a plurality of the first oil cylinders are located below a plurality of the first screw rods, and a moving end of each of the first oil cylinders faces the pier column; A pressing plate, respectively connected to the moving end of each of the first oil cylinders; Support rods are evenly buried in the pier along the height direction of the pier; The second oil cylinders are evenly installed on the top of the lifting frame and are respectively opposite to the plurality of support rods; A chuck is mounted on the moving end of each of the second oil cylinders; Among them, when the moving ends of the multiple first oil cylinders are in an extended state, the surrounding pressure plates are respectively against the four side surfaces of the pier column; when the moving ends of the multiple second oil cylinders are in an extended state, the multiple clamps are respectively against the multiple support rods.

2. A climbing formwork for bridge pier construction according to claim 1, characterized in that: Also includes: Second screw rods are evenly installed around the lifting frame, along the height direction of the pier column, and a plurality of the second screw rods are located below a plurality of the first screw rods; Rollers are respectively installed on multiple second screw rods at the periphery, and multiple rollers at the periphery are respectively against four side surfaces of the pier column.

3. A climbing formwork for bridge pier construction according to claim 1, characterized in that: Also includes: Bushings are evenly installed around the lifting frame and are adjacent to each of the first oil cylinders; The optical axis is slidably disposed in each of the shaft sleeves and is connected to the corresponding pressing plates.

4. A climbing formwork for bridge pier construction according to claim 1, characterized in that: Also includes: Threaded cylinders are evenly distributed around the template and between the top of the lifting frame; The adjusting screws are respectively installed at the two ends of each of the threaded barrels, and the multiple adjusting screws at the two ends are respectively rotatably connected to the top of the lifting frame and between the templates around it.

5. A climbing formwork for bridge pier construction according to claim 4, characterized in that: Also includes: The supports are rotatably mounted on the multiple adjusting screws at both ends, and the multiple supports at both ends are respectively connected to the top of the lifting frame and the templates around it.

6. A climbing formwork for bridge pier construction according to claim 1, characterized in that: Also includes: An operating platform is built on the top of the lifting frame.

7. A climbing formwork for bridge pier construction according to claim 6, characterized in that: Also includes: The hoist is built on the top of the lifting frame and is located on the inner side of the operating platform.

8. A climbing formwork for bridge pier construction according to any one of claims 1 to 7, characterized in that: Also includes: A ladder is connected to the lifting frame.

9. A climbing formwork for bridge pier construction according to any one of claims 1 to 7, characterized in that: Also includes: The reinforcing rods are evenly mounted on the lifting frame.

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