Ladder cage structure for pier formwork installation
By designing the ladder cage structure of multiple ladder cage main body and formwork displacement components, the autonomous clamping and movement of the bridge pier formwork is achieved by using electric telescopic rods and pneumatic clamps, the safety problems caused by the swing of the crane in the prior art are solved, and the safety problems caused by the swing of the crane in the prior art are improved. Safety and flexibility of bridge pier formwork installation.
Patent Information
- Application Number
- CN202420676501.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-03
AI Technical Summary
The ladder cage structure installed in the existing bridge pier formwork shakes due to the swing of the crane during the lifting process, which is poor in safety and requires relying on the crane for template placement, which poses a safety risk.
A ladder cage structure consisting of multiple ladder cage main body and formwork displacement components is designed, and components such as electric telescopic rods, pneumatic clamps and drive motors are used to realize the autonomous clamping and movement of the bridge pier formwork, and get rid of the swinging influence of the crane. Improves structural stability and safety.
The bridge pier formwork can be installed safely and steadily without a crane, which improves the safety and flexibility of the ladder cage structure, adapts to the installation of bridge pier formwork of different sizes and heights, and avoids the risk of crane swing on the stability of the ladder cage.
Smart Images
Figure CN222139800U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pier template installation, in particular to a ladder cage structure used for pier template installation. Background Art
[0002] The middle supporting structure of a multi-span bridge is called a pier. Piers are classified into solid piers, column piers, and frame piers. According to the plane shape, they can be divided into rectangular piers, pointed piers, and circular piers. The materials used to build piers can be wood, stone, concrete, reinforced concrete, and steel.
[0003] Prior art, such as publication number: CN216947888U, discloses a ladder cage structure for installing a pier formwork, including a pier body and a ladder cage body, one side surface of the ladder cage body is fixedly connected with a connecting column, and the upper surfaces of multiple connecting columns are provided with guide grooves in a T-shaped structure. The ladder cage structure for installing the pier formwork, when the pier formwork is hoisted to a specified height, controls the operation of two hydraulic cylinders so that the upper end of the pier formwork is tilted toward the direction of the pier until the pier formwork is horizontally placed on the pier, so that the pier module can be quickly hoisted onto the pier, thereby improving the construction efficiency of the pier.
[0004] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when placing the pier formwork, it is still necessary to lift the pier formwork by a crane, and the swing amplitude of the lifting end of the crane still exists during lifting. Since the pier formwork is clamped on the ladder cage body, the swing force of the crane will be transmitted to the ladder cage body through the pier formwork, causing the ladder cage body to shake, resulting in poor safety. Utility Model Content
[0005] In view of the above-mentioned existing problem that when placing the pier formwork, it is still necessary to lift the pier formwork by a crane, and the swing amplitude of the lifting end of the crane still exists during lifting. Moreover, since the pier formwork is clamped on the ladder cage body, the swing force of the crane will be transmitted to the ladder cage body through the pier formwork, causing the ladder cage body to shake, resulting in poor safety. Therefore, the present utility model is proposed.
[0006] Therefore, the utility model aims to provide a ladder cage structure for installing a pier formwork, which aims to achieve the hoisting of the pier body without a crane and improve the safety of the ladder cage structure.
[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a ladder cage structure for installing a bridge pier formwork, comprising a plurality of ladder cage bodies, the plurality of ladder cage bodies are vertically stacked and detachably installed, and a formwork displacement assembly is arranged on the front side of the ladder cage body;
[0008] The template displacement assembly includes a lifting plate that moves up and down vertically on the front side of the elevator cage body, electric telescopic rods A are installed at the four corners of the front side of the lifting plate, a front side plate is installed between the movable ends of the four electric telescopic rods A, and translation plates are slidably installed on both sides of the front side of the front side plate. The translation plate is fixedly installed with a pneumatic clamp through a bracket installed on the front side.
[0009] As a preferred solution of a ladder cage structure for installing a pier formwork as described in the utility model, the formwork displacement assembly also includes two vertical slide rails fixed on both sides of the front face of the ladder cage body, and a rack installed in the middle of the front face of the ladder cage body, both sides of the back face of the lifting plate are equipped with sliders sliding on the vertical slide rails, a driving motor is installed on the front face of the lifting plate, and a gear meshing with the rack is installed on the driving end of the driving motor.
[0010] As a preferred solution of a ladder cage structure for installing pier formwork described in the utility model, transverse slide rails are installed at the upper and lower positions of the front side plate on the front side, sliders sliding on the transverse slide rails are installed at the upper and lower positions of the back side of the translation plate, electric telescopic rods B are installed on both sides of the back side of the transverse slide rails, the movable end of the electric telescopic rod B is provided with a linkage block, and the front side of the linkage block is connected to the rear side of the translation plate, and movable channels are opened through both sides of the front side of the front side plate.
[0011] As a preferred solution of a ladder cage structure for installing pier formwork described in the utility model, the ladder cage main body includes four vertical column beams, a mesh wall panel is welded between the opposite surfaces of two connected vertical column beams, two cross beam plates are welded between the opposite surfaces of the front and rear mesh wall panels, and stairs are welded between the cross beam plates on both sides.
[0012] As a preferred solution of the ladder cage structure for installing the pier formwork described in the utility model, the top and bottom ends of the vertical column beam are welded with connecting blocks, and the four corners of the top of the connecting block are penetrated by fixing holes.
[0013] As a preferred solution of the ladder cage structure for installing the bridge pier formwork described in the utility model, wherein: operation openings are opened through both sides of the front surface of the mesh wall panel on the front side, and the number of the operation openings on a single side is four.
[0014] As a preferred solution of the ladder cage structure for installing a bridge pier formwork described in the utility model, a door body is hingedly installed on the right side of the right side mesh wall panel on the lowest ladder cage body.
[0015] Beneficial effects of the utility model:
[0016] 1. The utility model selects a corresponding number of ladder cage bodies according to the required casting height of the bridge pier, and assembles a ladder cage structure that is one section higher than the height of the bridge pier. It can be adjusted according to the actual casting situation, which is flexible and adaptable.
[0017] 2. The utility model can clamp and fix the pier formwork by clamping with another pneumatic clamp, and can tightly clamp the pier formwork to ensure the stability of the pier formwork installation, which helps to avoid the occurrence of safety accidents. The distance between the pneumatic clamps on both sides can be adjusted by the extension and retraction of the electric telescopic rods B on both sides, and can be adaptively adjusted and clamped according to pier formworks of different sizes.
[0018] 3. The utility model has a cage structure with its own clamping and conveying structure for the formwork, and there is no need to use a supporting crane to hoist the formwork, thus eliminating the risk of crane swing on the stability of the cage structure. While facilitating the installation of the pier formwork, it also effectively improves the safety of the cage structure and avoids accidents. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0020] Figure 1 The utility model is a schematic diagram of the overall structure of a ladder cage structure used for installing a bridge pier formwork.
[0021] Figure 2 The utility model is a schematic diagram of the main structure of a ladder cage structure for installing a bridge pier formwork.
[0022] Figure 3 The utility model is a schematic structural diagram of a template displacement component of a ladder cage structure used for installing a bridge pier template.
[0023] Figure 4 The utility model is a schematic diagram of the rear view of the front side plate of the ladder cage structure used for the installation of the bridge pier formwork.
[0024] Description of reference numerals:
[0025] 1. Cage body; 11. Vertical column beam; 12. Connection block; 13. Mesh wall panel; 14. Stairs; 15. Crossbeam plate; 16. Operation port; 2. Template displacement assembly; 201. Lifting plate; 202. Driving motor; 203. Gear; 204. Rack; 205. Vertical slide rail; 206. Front side plate; 207. Horizontal slide rail; 208. Translation plate; 209. Pneumatic clamp; 210. Movable channel; 211. Electric telescopic rod A; 212. Electric telescopic rod B; 213. Linkage block. DETAILED DESCRIPTION
[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0027] Example 1
[0028] Reference Figure 1-4 , which is the first embodiment of the utility model, provides a ladder cage structure for installing a pier formwork, the ladder cage structure for installing a pier formwork comprises a plurality of ladder cage bodies 1, the plurality of ladder cage bodies 1 are vertically stacked and detachably installed, a corresponding number of ladder cage bodies 1 are adaptively selected according to the height of the pier, and the adaptability is high, and a template displacement component 2 is arranged on the front side of the ladder cage body 1;
[0029] The template displacement assembly 2 includes a lifting plate 201 that moves up and down vertically on the front side of the elevator cage body 1. An electrical compartment is installed on the front side of the lifting plate 201. The interior of the electrical compartment is equipped with a power supply, an air compressor, etc. Electric telescopic rods A211 are installed at the four corners of the front side of the lifting plate 201. A front side plate 206 is installed between the movable ends of the four electric telescopic rods A211. Both sides of the front side plate 206 are slidably installed with translation plates 208. The translation plate 208 is installed through the front side thereof. The bracket is fixedly installed with a pneumatic clamp 209, which is used to clamp the rib block of the pier formwork. The pneumatic clamp 209 is controlled to clamp the ribs on the back of the pier formwork. Similarly, the pneumatic clamp 209 on the other side can be controlled to clamp the ribs on the other side of the back of the pier formwork through the pneumatic clamp 209 on the other side, so as to clamp and fix the pier formwork. The pier formwork can be tightly clamped to ensure the stability of the pier formwork installation, which helps to avoid the occurrence of safety accidents.
[0030] The template displacement assembly 2 also includes two vertical slide rails 205 fixed on both sides of the front of the ladder cage body 1, and a rack 204 installed in the middle of the front of the ladder cage body 1. Each ladder cage body 1 is installed with a vertical slide rail 205 and a rack 204. Both sides of the back of the lifting plate 201 are installed with sliders sliding on the vertical slide rails 205. The front of the lifting plate 201 is installed with a drive motor 202, and the drive end of the drive motor 202 is installed with a gear 203 meshing with the rack 204. The drive end of the drive motor 202 passes through the front of the lifting plate 201 and extends to the rear side of the lifting plate 201.
[0031] Transverse slide rails 207 are installed at the upper and lower positions of the front side plate 206, and sliders sliding on the transverse slide rails 207 are installed at the upper and lower positions of the back side of the translation plate 208. Electric telescopic rods B212 are installed on both sides of the back side of the transverse slide rails 207. The movable end of the electric telescopic rod B212 is provided with a linkage block 213, and the front side of the linkage block 213 is connected to the back side of the translation plate 208. Both sides of the front side of the front side plate 206 are penetrated by movable channels 210, and the linkage block 213 passes through the inside of the movable channel 210. The spacing between the pneumatic clamps 209 on both sides can be adjusted by the extension and contraction of the electric telescopic rods B212 on both sides, and can be adaptively adjusted and clamped according to the pier templates of different sizes to improve the versatility of the structure. The pier templates can also be raised and lowered, and the left and right positions can be fine-tuned, which is more convenient for adjusting the pier position, flexible and convenient.
[0032] During use, the fixing process of the pier formwork is as follows: the pier formwork is placed on the front side of the pneumatic clamp 209, and the electric telescopic rod B212 is telescopically driven to drive the linkage block 213 to move, and at the same time drives the translation plate 208 and the pneumatic clamp 209 thereon to move, and controls the pneumatic clamp 209 to clamp the ribs on the back of the pier formwork. Similarly, the pneumatic clamp 209 on the other side is controlled, and the ribs on the other side of the back of the pier formwork can be clamped by the pneumatic clamp 209 on the other side, so as to achieve the clamping and fixing of the pier formwork;
[0033] The pier formwork at the bottom layer is fixed manually, and the drive motor 202 drives the gear 203 to rotate. Under the meshing transmission action of the gear 203 and the rack 204, and the rack 204 is in a fixed state, the drive motor 202 drives the gear 203 to rotate forward and reversely, which can drive the lifting plate 201 to move upward or downward. The rotation of the drive motor 202 is controlled to drive the lifting plate 201 to upgrade, and the pier formwork is moved to the required installation height. The electric telescopic rod A211 is controlled to extend to move the pier formwork to the preset pier position, so that the pier formwork is located directly above the installed pier formwork, and the pier formwork is controlled to move downward to stack the pier formwork above the installed pier formwork, and after it is fixed to the connected pier formwork, the pneumatic clamp 209 is released from the pier formwork, and then the installation of the next pier formwork is controlled.
[0034] Example 2
[0035] Reference Figure 2 , which is the second embodiment of the utility model, and this embodiment is different from the first embodiment in that:
[0036] The ladder cage body 1 includes four vertical column beams 11, and the four vertical column beams 11 are distributed at the four corner ends. A square cavity is formed between the four vertical column beams 11, and a mesh wall panel 13 is welded between the opposite surfaces of two connected vertical column beams 11, and two cross beam plates 15 are welded between the opposite surfaces of the front and rear mesh wall panels 13, and one cross beam plate 15 is located at the upper left side, and the other cross beam plate 15 is located at the lower right side, and stairs 14 are welded between the cross beam plates 15 on both sides. The corresponding number of ladder cage bodies 1 are selected according to the required casting height of the pier, and a ladder cage structure that is one section higher than the pier height is assembled. It can be adjusted according to the actual casting situation, which is flexible and adaptable.
[0037] The top and bottom ends of the vertical column beam 11 are welded with connection blocks 12, and the four corners of the top of the connection block 12 are penetrated with fixing holes for the passage of nuts or fixing pins.
[0038] Both sides of the front surface of the front mesh wall panel 13 are penetrated with operation openings 16, and the number of the single-side operation openings 16 is four, and the operation openings 16 are used for the staff to pass their hands.
[0039] A door body is hingedly mounted on the right side of the right mesh wall panel 13 on the lowermost cage body 1 .
[0040] During use, when the lowermost cage body 1 is installed, the fixing pin is passed through the fixing hole on the connecting block 12 and nailed into the ground to fix the lowermost cage body 1 on the ground. When installing between two connected cage bodies 1, bolts are passed through the fixing holes and nuts are screwed on to fix the upper and lower cage bodies 1.
[0041] The remaining structures are the same as those of Example 1.
[0042] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A ladder cage structure for installing bridge pier formwork, Features: It comprises a plurality of cage bodies (1), the plurality of cage bodies (1) are vertically stacked and detachably installed, and a template displacement assembly (2) is arranged on the front side of the cage body (1); The template displacement assembly (2) comprises a lifting plate (201) that moves up and down vertically on the front side of the elevator cage body (1); electric telescopic rods A (211) are installed at the four corners of the front side of the lifting plate (201); a front side plate (206) is installed between the movable ends of the four electric telescopic rods A (211); translation plates (208) are slidably installed on both sides of the front side of the front side plate (206); and a pneumatic clamp (209) is fixedly installed on the translation plate (208) through a bracket installed on the front side thereof.
2. A ladder cage structure for installing a pier formwork according to claim 1, Features: The template displacement assembly (2) further comprises two vertical slide rails (205) fixed on both sides of the front of the cage body (1), and a rack (204) installed in the middle of the front of the cage body (1), both sides of the back of the lifting plate (201) are equipped with sliders that slide on the vertical slide rails (205), the front of the lifting plate (201) is equipped with a driving motor (202), and the driving end of the driving motor (202) is equipped with a gear (203) that meshes with the rack (204).
3. A ladder cage structure for installing a pier formwork according to claim 2, Features: Transverse slide rails (207) are installed at upper and lower positions on the front side of the front side plate (206), and sliders that slide on the transverse slide rails (207) are installed at upper and lower positions on the back side of the translation plate (208). Electric telescopic rods B (212) are installed on both sides of the back side of the transverse slide rail (207), and the movable end of the electric telescopic rod B (212) is provided with a linkage block (213), and the front side of the linkage block (213) is connected to the rear side of the translation plate (208). Both sides of the front side of the front side plate (206) are penetrated by movable channels (210).
4. A ladder cage structure for installing a pier formwork according to claim 3, Features: The elevator cage body (1) comprises four vertical column beams (11), a mesh wall panel (13) is welded between the opposite surfaces of two connected vertical column beams (11), two cross beam panels (15) are welded between the opposite surfaces of the front and rear mesh wall panels (13), and stairs (14) are welded between the cross beam panels (15) on both sides.
5. A ladder cage structure for installing a pier formwork according to claim 4, Features: The top and bottom ends of the vertical column beam (11) are both welded with a connection block (12), and the four corners of the top of the connection block (12) are penetrated by fixing holes.
6. A ladder cage structure for installing a pier formwork according to claim 5, Features: Operation openings (16) are provided through both sides of the front surface of the mesh wall panel (13) on the front side, and the number of the operation openings (16) on a single side is four.
7. A ladder cage structure for installing a pier formwork according to claim 6, Features: A door body is hingedly mounted on the right side of the right mesh wallboard (13) on the lowermost cage body (1).