Climbing reversing box of hydraulic self-climbing formwork

Abstract

The utility model belongs to the technical field of building machinery creeping formworks, and particularly relates to a hydraulic self-creeping formwork climbing reversing box which comprises a guide rail, guide rail ladder baffles are fixedly arranged on one side of the guide rail in an array mode, an upper reversing box mechanism is arranged on one side of the guide rail, and the upper reversing box mechanism comprises a U-shaped frame. Movable cavities are formed in two transverse plates of the U-shaped frame, movable plates are arranged in the movable cavities in a sliding mode, a first clamping plate and a second clamping plate are fixedly arranged at the other ends of the two sets of movable plates respectively, and grooves are formed in the opposite faces of the first clamping plate and the second clamping plate in a mirror image mode; the screw rod is connected with the two sets of connecting rods in a rotating mode through threads and penetrates through the two sets of connecting rods, the output end of the servo motor is fixedly connected to one end of the screw rod through a coupler, through cooperation of the servo motor, the screw rod, the first clamping plate and the second clamping plate, the reversing box can be assembled on guide rails of different width specifications, and the application range of the reversing box is widened.

Description

Technical Field

[0001] The utility model belongs to the technical field of building machinery climbing formwork, in particular to a hydraulic self-climbing formwork climbing reversing box. Background Art

[0002] Hydraulic self-climbing formwork is an efficient formwork system in construction projects. It realizes self-climbing function through hydraulic power and does not require additional lifting equipment. It is widely used in the construction of building components such as internal and external walls, core tubes, large columns, etc. It can effectively improve construction efficiency and quality and reduce formwork consumption. It is an important tool in modern construction. The hydraulic self-climbing formwork climbing reversing box is a key component in the hydraulic climbing system. It is mainly used to control the climbing process of the climbing frame and the guide rail.

[0003] The existing hydraulic self-climbing formwork climbing reversing box is mainly composed of the following parts: shell, pawl, reversing shaft, spring, etc. Among them, the pawl is the key component. The working principle mainly depends on the direction control of the pawl and the power of the hydraulic system. Under the drive of the hydraulic system, by adjusting the direction of the pawl in the reversing box, the overall alternating climbing of the guide rail and the climbing frame can be controlled.

[0004] The hydraulic self-climbing formwork climbing reversing box in the existing technology has the following disadvantages: it cannot adapt to guide rails of different widths, and the reversing box has a fixed size and a large limited application range; therefore, a hydraulic self-climbing formwork climbing reversing box is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the existing hydraulic self-climbing formwork climbing reversing box, solve the problem that the reversing box cannot adapt to guide rails of different widths and the reversing box has a fixed size and a large limited application range, a hydraulic self-climbing formwork climbing reversing box is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the hydraulic self-climbing formwork climbing reversing box described in the utility model comprises a guide rail, a guide rail ladder step is fixedly arranged in an array on one side of the guide rail, an upper reversing box mechanism is arranged on one side of the guide rail, and the upper reversing box mechanism comprises a U-shaped frame, a first connecting ear is fixedly arranged on the top of the U-shaped frame, movable cavities are provided in the two transverse plates of the U-shaped frame, movable plates are slidably arranged in the movable cavities, and limiting plates are fixedly arranged on the opposite surfaces of the two groups of movable plates, and the other ends of the two groups of movable plates slide through the outside of the transverse plates of the U-shaped frame, and the other ends of the two groups of movable plates are respectively fixedly arranged with a first clamping plate and a second clamping plate, and the opposite surfaces of the first clamping plate and the second clamping plate are mirror-imaged and both have grooves;

[0007] The U-shaped frame has the U-shaped bracket and the U-shaped bracket has the U-shaped bracket.

[0008] Preferably, the inner walls of the grooves are rotatably provided with balls in a rectangular array, and the cooperation of the balls reduces friction when the reversing box moves up and down on the guide rail, making the movement smoother.

[0009] Preferably, a fixing plate is fixedly provided on one side between the opposite surfaces of the two horizontal plates of the U-shaped frame, a mounting rod is fixedly provided on the fixing plate, two groups of triangular pawls are fixedly provided on the circumferential surface of the mounting rod in a mirror-image manner, and the two groups of triangular pawls are respectively located on both sides of the fixing plate, fixing plates are fixedly provided at both ends of the mounting rod, a spring is fixedly provided between the fixing plate and the opposite surfaces of the triangular pawls, two groups of limit rods are fixedly provided and penetrate the fixing plate, and the reversing box can realize its climbing and reversing functions through the coordinated interaction of the triangular pawls, the springs and the fixing plates.

[0010] Preferably, two acute angles of the triangular pawl are fixedly provided with a set of teeth, and the friction between the pawl and the guide rail step is improved through the cooperation of the teeth, so that the reversing box is more stable when moving.

[0011] Preferably, a lower reversing box mechanism is arranged directly below the upper reversing box mechanism, and the lower reversing box mechanism has the same structure as the upper reversing box mechanism. Through the cooperation between the upper reversing box mechanism and the lower reversing box mechanism, the hydraulic self-climbing formwork system works together to realize the functions of alternating climbing and changing the direction of force transmission.

[0012] Preferably, a second connecting ear is fixedly provided at the bottom end of the U-shaped frame on the upper reversing box mechanism, a first connecting block is rotatably provided on the second connecting ear through a rotating rod, a hydraulic cylinder is fixedly provided at the bottom end of the first connecting block, a hydraulic rod is movably inserted into the bottom end of the hydraulic cylinder, a second connecting block is rotatably provided on the first connecting ear on the lower reversing box mechanism through a rotating rod, the bottom end of the hydraulic rod is fixedly connected to the top end of the second connecting block, and thrust or pulling force is generated by the pressure of the liquid through the cooperation between the hydraulic cylinder and the hydraulic rod, thereby driving the movement of the hydraulic rod to provide necessary support and strength, thereby ensuring that the climbing formwork system can climb stably and reliably.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides a hydraulic self-climbing formwork climbing reversing box. In order to enable the reversing box to be assembled on guide rails of different widths and specifications and improve the applicable scope of the reversing box, it is first necessary to assemble an upper reversing box mechanism and a lower reversing box mechanism on the guide rail. First, the upper reversing box mechanism is connected to an external frame through a first connecting ear, and then a servo motor is started to rotate a screw rod, and at the same time, two sets of connecting rods are relatively moved, and the two sets of connecting rods respectively drive the first clamping plate and the second clamping plate to move, and the movement amounts of the two are within the limits of the movable cavity and the limit plate. The first clamping plate and the second clamping plate drive the groove to move, so that the groove is inserted into the side wall of the guide rail, and at the same time, the ball ball arranged in the groove contacts the guide rail, and when the upper reversing box mechanism moves, the friction with the surface of the guide rail is reduced, so that the movement is smoother, and the installation of the upper reversing box mechanism is completed. The installation steps of the lower reversing box mechanism are the same as those of the upper reversing box mechanism, which will not be repeated here. Through the cooperation between the above structures, the hydraulic self-climbing formwork climbing reversing box can adapt to guide rails of different widths and specifications, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a three-dimensional picture of the whole;

[0017] Figure 2 It is a three-dimensional enlarged structural diagram of the lower reversing box mechanism;

[0018] Figure 3 is a cross-sectional view of the active cavity;

[0019] Figure 4 yes Figure 2 A magnified view of the structure at C in the middle;

[0020] Legend:

[0021] 1. Guide rail; 01. Guide rail ladder; 2. U-shaped frame; 02. First connecting ear; 3. Movable cavity; 4. Movable plate; 5. Limit plate; 6. First clamping plate; 7. Second clamping plate; 8. Groove; 9. Connecting rod; 10. U-shaped mounting frame; 11. Screw rod; 12. Servo motor; 13. Ball; 14. Fixed plate; 15. Mounting rod; 16. Triangular pawl; 17. Fixed plate; 18. Spring; 19. Limit rod; 20. Teeth; 21. Second connecting ear; 22. First connecting block; 23. Hydraulic cylinder; 24. Hydraulic rod; 25. Second connecting block; A. Upper reversing box mechanism; B. Lower reversing box mechanism. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Specific examples are given below.

[0024] See also Figure 1-Figure 4 The utility model discloses a hydraulic self-climbing formwork climbing reversing box, comprising a guide rail 1, a guide rail ladder step 01 is fixedly arranged in an array on one side of the guide rail 1, an upper reversing box mechanism A is arranged on one side of the guide rail 1, and the upper reversing box mechanism A comprises a U-shaped frame 2, a first connecting ear 02 is fixedly arranged on the top of the U-shaped frame 2, and movable cavities 3 are provided in the two transverse plates of the U-shaped frame 2, and movable plates 4 are slidably arranged in the movable cavity 3, and limiting plates 5 are fixedly arranged on the opposite surfaces of the two groups of movable plates 4, and the other ends of the two groups of movable plates 4 slide through the outside of the transverse plates of the U-shaped frame 2, and the other ends of the two groups of movable plates 4 are respectively fixedly arranged with a first clamping plate 6 and a second clamping plate 7, and the first clamping plate 6 and the second clamping plate 7 are mirror-imaged on the opposite surfaces thereof.

[0025] A connecting rod 9 is fixedly arranged between the top horizontal plate of the U-shaped frame 2 and the two groups of first clamping plates 6 on the bottom horizontal plate, and a connecting rod 9 is also fixedly arranged between the top horizontal plate of the U-shaped frame 2 and the two groups of second clamping plates 7 on the bottom horizontal plate. A U-shaped mounting frame 10 is fixedly arranged on the U-shaped frame 2 in a vertical state therewith, and a screw 11 is rotatably arranged between the two opposite side plates of the U-shaped mounting frame 10 through a bearing, and two groups of threads are opened on the circumferential surface of the screw 11 with the center as the dividing line, and the square of the thread In the opposite direction, the screw rod 11 is rotated through the threaded connection and penetrates the two groups of connecting rods 9, and the two groups of connecting rods 9 are arranged in mirror image. A servo motor 12 is fixedly arranged on one side of the U-shaped mounting frame 10 through a fixing frame, and the output end of the servo motor 12 is fixedly connected to one end of the screw rod 11 through a coupling. The inner wall of the groove 8 is provided with a rectangular array of balls 13 for rotation. A lower reversing box mechanism B is arranged directly below the upper reversing box mechanism A. The lower reversing box mechanism B has the same structure as the upper reversing box mechanism A and works In order to enable the reversing box to be assembled on the guide rails 1 of different widths and specifications and improve the applicable range of the reversing box, it is first necessary to assemble the upper reversing box mechanism A and the lower reversing box mechanism B on the guide rail 1. First, the upper reversing box mechanism A is connected to the external frame through the first connecting ear 02, and then the servo motor 12 is started, the screw 11 rotates, and the two groups of connecting rods 9 are moved relative to each other, and the two groups of connecting rods 9 respectively drive the first clamping plate 6 and the second clamping plate 7 to move, and the movement of the two is within the limit of the active cavity 3 and the limit plate 5. The first clamping plate 6 and the second clamping plate 7 drive the groove 8 to move, so that the groove 8 is inserted into the side wall of the guide rail 1. At the same time, the ball 13 arranged in the groove 8 contacts the guide rail 1. When the upper reversing box mechanism A moves, the friction with the surface of the guide rail 1 reduces the friction force, making it move more smoothly, and completing the installation of the upper reversing box mechanism A. The installation steps of the lower reversing box mechanism B are the same as those of the upper reversing box mechanism A, which will not be repeated here. Through the cooperation between the above structures, the hydraulic self-climbing mold climbing reversing box can adapt to guide rails 1 of different widths, thereby improving the practicability of the equipment.

[0026] Furthermore, a fixing plate 14 is fixedly provided on one side between the opposite surfaces of the two horizontal plates of the U-shaped frame 2, and a mounting rod 15 is fixedly provided on the fixing plate 14. Two sets of triangular pawls 16 are fixedly provided on the circumferential surface of the fixing rod 15 in a mirror-image manner, and the two sets of triangular pawls 16 are respectively located on both sides of the fixing plate 14, and fixing plates 17 are fixedly provided at both ends of the fixing rod 15, and a spring 18 is fixedly provided between the fixing plate 17 and the opposite surface of the triangular pawl 16, and two sets of limiting rods 19 are fixedly provided on and penetrate the fixing plate 14, and two sharp angles of the triangular pawl 16 are fixedly provided with a plurality of teeth 2 0, a second connecting ear 21 is fixedly provided at the bottom end of the U-shaped frame 2 on the upper reversing box mechanism A, a first connecting block 22 is rotatably provided on the second connecting ear 21 through a rotating rod, a hydraulic cylinder 23 is fixedly provided at the bottom end of the first connecting block 22, a hydraulic rod 24 is movably inserted at the bottom end of the hydraulic cylinder 23, a second connecting block 25 is rotatably provided on the first connecting ear 02 on the lower reversing box mechanism B through a rotating rod, the bottom end of the hydraulic rod 24 is fixedly connected to the top end of the second connecting block 25, when working, after the upper reversing box mechanism A and the lower reversing box mechanism B are installed, it is necessary to make the external frame complete the climbing, first work When the external frame is climbing, the personnel rotate the bottom corner of the triangular pawl 16 on the lower reversing box mechanism B to the direction close to the guide rail 1, so that the bottom end of the triangular pawl 16 abuts against the top of the guide rail ladder step 01, and then start the hydraulic cylinder 23 to push the hydraulic rod 24 downward. Because the triangular pawl 16 on the lower reversing box mechanism B below abuts against the top of the guide rail ladder step 01, the upper reversing box mechanism A above the hydraulic cylinder 23 is pushed upward under the action of the reaction force of the hydraulic rod 24, and at the same time drives the external frame to move upward and climb as a whole. After that, the triangular pawl 16 on the upper reversing box mechanism A abuts against the top of the guide rail ladder step 01 at the corresponding position, and then the hydraulic The cylinder 23 contracts the hydraulic rod 24, and the hydraulic rod 24 drives the lower reversing box mechanism B to move upward to complete the climbing work of the external frame. When the guide rail 1 needs to climb, the top corner of the triangular pawl 16 in the lower reversing box mechanism B is rotated to the opposite direction close to the guide rail 1, so that the top of the triangular pawl 16 is against the bottom of the guide rail ladder step 01, and then the hydraulic cylinder 23 is started to drive the hydraulic rod 24 to move upward. The hydraulic rod 24 moves into the inside of the hydraulic cylinder 23, and the triangular pawl 16 drives the guide rail 1 to move upward. The operation is cyclically performed to insert the guide rail 1 into the newly installed wall attachment device on the top wall and fix the guide rail 1 to complete the climbing of the guide rail 1.

[0027] Working principle: In order to enable the reversing box to be assembled on the guide rails 1 of different widths and improve the applicable range of the reversing box, the upper reversing box mechanism A and the lower reversing box mechanism B need to be assembled on the guide rail 1. First, the upper reversing box mechanism A is connected to the external frame through the first connecting ear 02, and then the servo motor 12 is started, the screw 11 rotates, and the two groups of connecting rods 9 move relative to each other, and the two groups of connecting rods 9 respectively drive the first clamping plate 6 and the second clamping plate 7 to move, and the movement of the two is within the limit of the active cavity 3 and the limit plate 5. The first clamping plate 6 and the second clamping plate 7 drive the groove 8 to move, so that the groove 8 is inserted into the guide rail 1. , and the ball 13 arranged in the groove 8 contacts with the guide rail 1. When the upper reversing box mechanism A moves, the friction with the surface of the guide rail 1 reduces the friction force, making it move more smoothly, and completing the installation of the upper reversing box mechanism A. The installation steps of the lower reversing box mechanism B are the same as those of the upper reversing box mechanism A, which will not be repeated here. Through the cooperation between the above structures, the hydraulic self-climbing mold climbing reversing box can be adapted to guide rails 1 of different widths, thereby improving the practicality of the equipment. When the upper reversing box mechanism A and the lower reversing box mechanism B are installed, it is necessary to make the external frame climb. First, the staff will make the external frame climb and move the lower The bottom corner of the triangular pawl 16 on the reversing box mechanism B rotates to the direction close to the guide rail 1, so that the bottom end of the triangular pawl 16 abuts against the top of the guide rail ladder step 01, and then the hydraulic cylinder 23 is started to push the hydraulic rod 24 downward. Because the triangular pawl 16 on the lower reversing box mechanism B below abuts against the top of the guide rail ladder step 01, the upper reversing box mechanism A above the hydraulic cylinder 23 is pushed upward under the reaction force of the hydraulic rod 24, and the external frame is driven to move upward as a whole. After that, the triangular pawl 16 on the upper reversing box mechanism A abuts against the top of the guide rail ladder step 01 at the corresponding position, and the rear hydraulic cylinder 23 pushes the hydraulic rod 24 contracts, and the hydraulic rod 24 drives the lower reversing box mechanism B to move upward to complete the climbing work of the external frame. When the guide rail 1 needs to climb, the top corner of the triangular pawl 16 in the lower reversing box mechanism B is rotated to the opposite direction close to the guide rail 1, so that the top of the triangular pawl 16 is against the bottom of the guide rail ladder step 01, and then the hydraulic cylinder 23 is started to drive the hydraulic rod 24 to move upward. The hydraulic rod 24 moves into the inside of the hydraulic cylinder 23, and the triangular pawl 16 drives the guide rail 1 to move upward. The operation is cyclically performed to insert the guide rail 1 into the newly installed wall attachment device on the top wall and fix the guide rail 1 to complete the climbing of the guide rail 1.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A hydraulic self-climbing formwork climbing reversing box, characterized in that: The invention comprises a guide rail (1), one side of which is fixedly provided with a guide rail ladder (01) in an array, one side of which is provided with an upper reversing box mechanism (A), the upper reversing box mechanism (A) comprising a U-shaped frame (2), the top of which is fixedly provided with a first connecting ear (02), two transverse plates of the U-shaped frame (2) are provided with movable cavities (3), movable plates (4) are slidably provided in the movable cavities (3), limiting plates (5) are fixedly provided on opposite surfaces of the two groups of movable plates (4), the other ends of the two groups of movable plates (4) slide through the outside of the transverse plates of the U-shaped frame (2), the other ends of the two groups of movable plates (4) are respectively fixedly provided with a first clamping plate (6) and a second clamping plate (7), and grooves (8) are provided on opposite surfaces of the first clamping plate (6) and the second clamping plate (7) in a mirror-image manner; A connecting rod (9) is fixedly arranged between the opposite surfaces of the two groups of first clamping plates (6) on the top transverse plate and the bottom transverse plate of the U-shaped frame (2), and a connecting rod (9) is also fixedly arranged between the opposite surfaces of the two groups of second clamping plates (7) on the top transverse plate and the bottom transverse plate of the U-shaped frame (2). A U-shaped mounting frame (10) is fixedly arranged on the U-shaped frame (2) in a vertical state therewith, and a screw rod (11) is rotatably arranged between the two opposite side plates of the U-shaped mounting frame (10) through a bearing, and two groups of threads are opened on the circumferential surface of the screw rod (11) with the center as a dividing line, and the directions of the threads are opposite, and the screw rod (11) is rotated through the threaded connection and passes through the two groups of connecting rods (9), and the two groups of connecting rods (9) are arranged in a mirror-image manner, and a servo motor (12) is fixedly arranged on one side of the U-shaped mounting frame (10) through a fixing frame, and the output end of the servo motor (12) is fixedly connected to one end of the screw rod (11) through a coupling.

2. A hydraulic self-climbing formwork climbing reversing box according to claim 1, characterized in that: The inner wall of the groove (8) is provided with rolling balls (13) in a rectangular array for rotation.

3. A hydraulic self-climbing formwork climbing reversing box according to claim 1, characterized in that: A fixing plate (14) is fixedly arranged on one side between the opposite surfaces of the two horizontal plates of the U-shaped frame (2), a mounting rod (15) is fixedly arranged on the fixing plate (14), two groups of triangular pawls (16) are fixedly arranged on the circumferential surface of the fixing rod (15) in a mirror-image manner, and the two groups of triangular pawls (16) are respectively located on both sides of the fixing plate (14), fixing plates (17) are fixedly arranged at both ends of the fixing rod (15), a spring (18) is fixedly arranged between the fixing plate (17) and the opposite surface of the triangular pawl (16), and two groups of limiting rods (19) are fixedly arranged on and penetrate the fixing plate (14).

4. A hydraulic self-climbing formwork climbing reversing box according to claim 3, characterized in that: Two acute angles of the triangular pawl (16) are fixedly provided with sets of teeth (20).

5. The hydraulic self-climbing formwork climbing reversing box according to claim 1 is characterized in that: A lower reversing box mechanism (B) is arranged directly below the upper reversing box mechanism (A), and the lower reversing box mechanism (B) has the same structure as the upper reversing box mechanism (A).

6. A hydraulic self-climbing formwork climbing reversing box according to claim 5, characterized in that: A second connecting ear (21) is fixedly provided at the bottom end of the U-shaped frame (2) on the upper reversing box mechanism (A); a first connecting block (22) is rotatably provided on the second connecting ear (21) via a rotating rod; a hydraulic cylinder (23) is fixedly provided at the bottom end of the first connecting block (22); a hydraulic rod (24) is movably inserted into the bottom end of the hydraulic cylinder (23); a second connecting block (25) is rotatably provided on the first connecting ear (02) on the lower reversing box mechanism (B) via a rotating rod; the bottom end of the hydraulic rod (24) is fixedly connected to the top end of the second connecting block (25).

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