CN214301273U

CN214301273U - High mound creeping formwork hoisting device of bridge

Info

Publication number: CN214301273U
Application number: CN202022488848.7U
Authority: CN
Inventors: 蔡俊华; 江超; 魏玉吉; 林志平; 林金舜; 钟厚成; 庄燕珍; 兰升元; 廖小平; 张正宾
Original assignee: Sanming Puyan Highway Co ltd; CCCC SHEC Fourth Engineering Co Ltd
Current assignee: Sanming Puyan Highway Co ltd; CCCC SHEC Fourth Engineering Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-09-28
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a climbing formwork lifting device for a bridge high pier, which comprises a bridge high pier base body, wherein one side of the bridge high pier base body is fixedly provided with a pre-embedded sleeve, and the pre-embedded sleeve is fixedly connected with a bearing part through a bearing bolt; the end face of the bearing part is provided with two second threaded holes, and a bearing pin is detachably arranged in the second threaded hole at the rear end of the bearing part; the side surface of the bridge high pier base body is fixedly provided with a guide rail, and the end surface of the guide rail is integrally provided with a step; two reversing boxes are arranged on the right side of the guide rail, and the lower end of the reversing box positioned on the upper side is fixedly connected with the hydraulic oil cylinder; the lower end of the hydraulic oil cylinder is fixedly connected with a reversing box positioned on the lower side; the reversing box positioned on the lower side is fixedly connected with the creeping formwork; a groove is formed in the position, corresponding to the bearing pin, of the lower end face of the upper end part of the creeping formwork; a first threaded hole is formed in the position, corresponding to the second threaded hole, of the upper end of the creeping formwork; the utility model is simple in operation, the atress is stable, possesses higher security.

Description

High mound creeping formwork hoisting device of bridge

Technical Field

The utility model relates to a bridge high mound creeping formwork technical field, in particular to bridge high mound creeping formwork hoisting device.

Background

The climbing formwork is a short name of a climbing formwork and is also called as a jumping formwork in foreign countries; the climbing device consists of three parts, namely a climbing template, a climbing frame (or the climbing template does not have the climbing frame) and climbing equipment, and is an effective tool in constructing high-rise structures such as a shear wall system, a cylinder system, a pier and the like; the climbing formwork construction is used as a common construction mode in the construction of a high pier of a bridge, and the stability of the structure of the climbing formwork determines the climbing of the climbing formwork and the safety of the construction process to a great extent.

The existing climbing formwork lifting device usually adopts a hydraulic oil cylinder as power, the lifting process of the climbing formwork is completed by means of the clamping action of a pawl in a reversing box and a ladder stop on a guide rail, the structure has the effect of bearing force only between the pawl and the ladder stop, the gravity of the climbing formwork is completely borne by the structure, the stress point is single, and the mechanical damage is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high mound creeping formwork hoisting device of bridge, its easy operation, the atress is stable, possesses higher security.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a climbing formwork lifting device for a high bridge pier comprises a high bridge pier base body, wherein a pre-embedded sleeve is fixedly arranged on one side of the high bridge pier base body and is fixedly connected with a bearing part through a bearing bolt; the end face of the bearing part is provided with two second threaded holes, and a bearing pin is detachably arranged in the second threaded hole at the rear end of the bearing part; the side surface of the bridge high pier base body is fixedly provided with a guide rail, and the end surface of the guide rail is integrally provided with a step; two reversing boxes are arranged on the right side of the guide rail, and pawls in the reversing boxes are mutually abutted with the ladder steps; the lower end of the reversing box positioned on the upper side is fixedly connected with the hydraulic oil cylinder; the lower end of the hydraulic oil cylinder is fixedly connected with a reversing box positioned on the lower side; the reversing box positioned on the lower side is fixedly connected with the creeping formwork; the longitudinal section of the creeping formwork is L-shaped, and a groove is formed in the position, corresponding to the bearing pin, of the lower end face of the upper end part of the creeping formwork; the upper end of the creeping formwork is provided with a first threaded hole corresponding to the position of the second threaded hole.

Furthermore, the outer end part of the bearing pin is integrally provided with a bulge.

Furthermore, a support lug is integrally arranged at the middle position of the creeping formwork and is fixedly connected with the reversing box positioned on the lower side.

Furthermore, a climbing frame is fixedly arranged at the lower end of the climbing formwork; the ground on the right side of the bridge high pier base body is provided with a lifting platform, and the upper end of the lifting platform is fixedly provided with a jack hydraulic jack.

Furthermore, a control cabinet is fixedly arranged on the upper end face of the climbing frame and is electrically connected with the reversing box; the control cabinet is electrically connected with the hydraulic driving mechanism, and the hydraulic driving mechanism is fixedly connected with the hydraulic oil cylinder.

To sum up, the utility model discloses mainly have following beneficial effect:

the utility model, by increasing the bearing structure of the creeping formwork and the high pier of the bridge, decomposes partial gravity of the creeping formwork, avoids the gravity of the creeping formwork from being borne by the pawl inside the reversing box and the step rail on the guide rail, and prevents the mechanical damage caused by overlarge pressure of the pawl and the step rail in the guide rail; on the other hand, the upper end part of the creeping formwork is provided with the first threaded hole corresponding to the second threaded hole, so that a worker can use the bearing bolt to pass through the first threaded hole and the second threaded hole, the stability between the creeping formwork and the bearing part is enhanced again, the creeping formwork and the bearing part are prevented from deviating in the horizontal direction, the safety is higher, and the operation is simple; the embedded sleeves are placed in the unset concrete, and the bearing piece is fixed on the high bridge pier base body through the bearing bolts, so that the embedded sleeves are convenient for workers to detach and install.

Drawings

Fig. 1 is a left side sectional view (exploded view of the climbing frame and the bearing pin) of the present invention;

fig. 2 is a schematic structural view of the middle bearing member of the present invention.

Reference numerals: 1. a bridge high pier base body; 2. a guide rail; 3. a ladder stop; 4. a reversing box; 5. a hydraulic cylinder; 6. climbing a mold; 601. supporting a lug; 602. a trench; 603. a first threaded hole; 7. pre-burying a sleeve; 8. a load-bearing bolt; 9. a bearing member; 901. a load bearing pin; 902. a second threaded hole; 10. climbing a frame; 11. a jack hydraulic jack; 12. a lifting platform; 13. a control cabinet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 and 2, the climbing formwork lifting device for the high pier of the bridge comprises a high pier base body 1 of the bridge, wherein a pre-embedded sleeve 7 is fixedly arranged on one side of the high pier base body 1 of the bridge, and the pre-embedded sleeve 7 is fixedly connected with a bearing part 9 through a bearing bolt 8; two second threaded holes 902 are formed in the left end face of the bearing part 9, a bearing pin 901 is detachably arranged in the second threaded hole 902 located at the rear end of the bearing part 9, and the bearing pin 901 is a shaft pin with threads; the guide rail 2 is fixedly arranged on the right side surface of the bridge high pier base body 1, the guide rail 2 can also be indirectly and fixedly arranged on the bridge high pier base body 1 through a bearing part 9, and the end surface of the guide rail 2 is integrally provided with a step 3; two reversing boxes 4 are arranged on the right side of the guide rail 2, and pawls in the reversing boxes 4 are abutted against the ladder steps 3; the specific structure of the reversing box 4 and the matching between the reversing box 4 and the guide rail 2 can refer to a "climbing reversing box of a hydraulic climbing formwork system" disclosed in publication No. CN210369891U and an "attached hydraulic climbing formwork device" disclosed in publication No. CN204826591U, and of course, other similar prior arts can also be produced; the lower end of the reversing box 4 positioned on the upper side is fixedly connected with a hydraulic oil cylinder 5; the lower end of the hydraulic oil cylinder 5 is fixedly connected with the reversing box 4 positioned on the lower side; the reversing box 4 positioned at the lower side is fixedly connected with the creeping formwork 6; the climbing formwork 6 is L-shaped in longitudinal section, and a groove 602 is formed in the lower end face of the upper end of the climbing formwork 6 at a position corresponding to the bearing pin 901; the upper end of the climbing formwork 6 is provided with a first threaded hole 603 corresponding to the position of the second threaded hole 902.

Specifically, referring to fig. 1 and fig. 2, the outer end of the bearing pin 901 is integrally provided with a protrusion, and the protrusion can reduce the left-right shaking of the creeping formwork 6.

Specifically, referring to fig. 1 and 2, a support lug 601 is integrally disposed at a middle position of the creeping formwork 6, and the support lug 601 is fixedly connected to the reversing box 4 located at the lower side, so as to facilitate connection between the creeping formwork 6 and the reversing box 4.

Specifically, referring to fig. 1 and 2, a climbing frame 10 is fixedly arranged at the lower end of the climbing formwork 6; the subaerial lift platform 12 that is provided with on the right side of bridge high mound base member 1, lift platform 12's the fixed jack hydraulic ram 11 that is provided with in upper end, through set up jack hydraulic ram 11 climbing frame 10 below, make overall structure more stable, the security is higher.

Specifically, referring to fig. 1 and 2, a control cabinet 13 is fixedly disposed on the upper end surface of the climbing frame 10, and the control cabinet 13 is electrically connected to the reversing box 4; the control cabinet 13 is electrically connected with the hydraulic driving mechanism, and the hydraulic driving mechanism is fixedly connected with the hydraulic oil cylinder 5.

To sum up, when the climbing formwork lifting device is used, a worker can start the hydraulic driving structure through the control cabinet 13 to drive the hydraulic oil cylinder 5 to move up and down, and the lifting process of the climbing formwork 6 is completed by means of the mutual clamping of the pawls in the upper reversing box 4 and the pawls in the lower reversing box 4 and the ladder shelves 3 on the guide rail 2; when the position of the groove 602 at the upper end of the climbing formwork 6 in the horizontal direction is higher than the position of the second threaded hole 902 on the bearing part 9 in the horizontal direction, a worker can insert the bearing pin 901 into the second threaded hole 902, and simultaneously control the reversing box 4 through the control cabinet 13 to change the direction of the pawl, so that the climbing formwork 6 moves downwards, and the groove 602 just falls on the bearing pin 901, and the operation is simple; when the next section of high pier construction is carried out, only the bearing part 9 needs to be disassembled, and the holes at the position of the embedded sleeve 7 are completely filled with concrete.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high mound creeping formwork hoisting device of bridge, includes high mound base member of bridge (1), its characterized in that: one side of the bridge high pier base body (1) is fixedly provided with an embedded sleeve (7), and the embedded sleeve (7) is fixedly connected with a bearing part (9) through a bearing bolt (8); the end face of the bearing part (9) is provided with two second threaded holes (902), and a bearing pin (901) is detachably arranged in the second threaded hole (902) at the rear end of the bearing part (9); a guide rail (2) is fixedly arranged on the side surface of the bridge high pier base body (1), and a step (3) is integrally arranged on the end surface of the guide rail (2); two reversing boxes (4) are arranged on the right side of the guide rail (2), and pawls in the reversing boxes (4) are abutted against the ladder steps (3); the lower end of the reversing box (4) positioned on the upper side is fixedly connected with a hydraulic oil cylinder (5); the lower end of the hydraulic oil cylinder (5) is fixedly connected with the reversing box (4) positioned on the lower side; the reversing box (4) positioned on the lower side is fixedly connected with the creeping formwork (6); the longitudinal section of the creeping formwork (6) is L-shaped, and a groove (602) is formed in the position, corresponding to the bearing pin (901), on the lower end face of the upper end part of the creeping formwork (6); the upper end part of the climbing formwork (6) is provided with a first threaded hole (603) at a position corresponding to the second threaded hole (902).

2. The high pier creeping formwork hoisting device of the bridge of claim 1, characterized in that: the outer end part of the bearing pin (901) is integrally provided with a bulge.

3. The high pier creeping formwork hoisting device of the bridge of claim 1, characterized in that: a support lug (601) is integrally arranged in the middle of the climbing formwork (6), and the support lug (601) is fixedly connected with the reversing box (4) located on the lower side.

4. The high pier creeping formwork hoisting device of the bridge of claim 1, characterized in that: a climbing frame (10) is fixedly arranged at the lower end of the climbing formwork (6); the ground on the right side of the bridge high pier base body (1) is provided with a lifting platform (12), and the upper end of the lifting platform (12) is fixedly provided with a jack hydraulic jack (11).

5. The high pier creeping formwork hoisting device of the bridge of claim 4, wherein: a control cabinet (13) is fixedly arranged on the upper end face of the climbing frame (10), and the control cabinet (13) is electrically connected with the reversing box (4); the control cabinet (13) is electrically connected with the hydraulic driving mechanism, and the hydraulic driving mechanism is fixedly connected with the hydraulic oil cylinder (5).