Cable-stayed bridge hanging basket back pressure frame
By setting a transmission mechanism and a sleeve fixing structure on the base frame, the problem of stress concentration in the hydraulic cylinder is solved, the stress is evenly distributed, the prestressing capacity of the base frame is improved, and construction safety is ensured.
Patent Information
- Application Number
- CN202423129174.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-17
AI Technical Summary
In existing continuous beam hanging basket reaction frames, stress concentration occurs at the connection between the hydraulic cylinder and the force transmission frame and the screw, making it difficult for the base frame to withstand large prestresses and affecting construction safety.
A transmission mechanism is installed on the base frame, connecting the screw and the force transmission frame with steel ropes to distribute stress evenly and reduce stress concentration at the connection. Sleeves and fixing bolts are installed on the top frame to fix the steel ropes and enhance connection stability.
By using a steel rope transmission mechanism and a sleeve fixing structure, stress is evenly distributed, the strength of the base frame to withstand prestress is increased, and construction safety and structural stability are improved.
Smart Images

Figure CN223650330U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the field of hanging basket counterforce frames, in particular to a cable-stayed bridge hanging basket counterforce frame. BACKGROUND
[0002] A continuous beam hanging basket is a widely used construction equipment in bridge engineering construction, and the structural strength of the continuous beam hanging basket is prone to decrease due to external force in use, thereby causing danger in construction. The hanging basket counterforce frame is a device for carrying out a pre-pressing experiment of the continuous beam hanging basket, and the structural strength of the hanging basket can be detected and the construction safety can be improved by pre-pressing the hanging basket.
[0003] The related hanging basket counterforce frame comprises a top frame, a bottom frame, a triangular frame and a hydraulic cylinder, the top frame is fixedly connected to the top of a continuous beam, the bottom frame comprises a screw rod and a force transmission frame, the upper end of the screw rod is connected to the top frame, the lower end is connected to the force transmission frame, the force transmission frame is located below the top frame, the triangular frame is fixed to the side wall of the continuous beam, the hydraulic cylinder is vertically arranged on the force transmission frame, the upper end of the hydraulic cylinder abuts against the triangular frame, and the user can make the hydraulic cylinder exert stress on the force transmission frame by controlling the elongation of the hydraulic cylinder, so that the stress borne by the force transmission frame is transmitted to the top frame, and the structural strength of the top frame is detected by detecting the stress bearing capacity of the top frame.
[0004] The related technical solutions in the above have the following defects: when the hydraulic cylinder exerts stress on the force transmission frame, the stress borne by the connection between the force transmission frame and the screw rod is large, and the bottom frame is difficult to bear large pre-stress. CONTENT OF THE INVENTION
[0005] In order to improve the strength of the bottom frame bearing pre-stress, the application provides a cable-stayed bridge hanging basket counterforce frame.
[0006] The cable-stayed bridge hanging basket counterforce frame provided by the application adopts the following technical solutions:
[0007] The cable-stayed bridge hanging basket counterforce frame comprises a top frame, a bottom frame, a triangular frame and a hydraulic cylinder, the top frame is fixed to the top of a continuous beam, the bottom frame comprises a screw rod and a force transmission frame, the screw rod is vertically arranged, the upper end of the screw rod is fixed to the top frame, the lower end is fixed to the force transmission frame, the triangular frame is fixed to the side wall of the continuous beam and located above the force transmission frame, the hydraulic cylinder is vertically arranged between the force transmission frame and the triangular frame, a transmission mechanism is arranged on the bottom frame, the transmission mechanism comprises a steel rope, the steel rope is obliquely arranged and one end of the steel rope is fixed to the screw rod, and the other end of the steel rope is fixed to the force transmission frame.
[0008] Through the above technical scheme, the screw rod is arranged on the top frame, the force transmission frame is arranged below the screw rod, the user controls the extension of the hydraulic cylinder to make the tripod support the hydraulic cylinder, and then the force transmission frame is subjected to stress, the stress can be transmitted to the top frame through the screw rod, the strength of the top frame is detected, the conducting mechanism is arranged on the bottom frame, one end of the steel rope is connected with the screw rod, the other end is connected with the force transmission frame, and then the stress on the force transmission frame can be transmitted to the screw rod through the steel rope, the stress concentration at the connection between the force transmission frame and the screw rod is reduced, and the strength of the bottom frame for bearing the prestress is improved.
[0009] Optionally, the end of the steel rope is provided with a hook, and the hook is used for detachable connection on the screw rod or the force transmission frame.
[0010] Through the above technical scheme, the hook is arranged at the end of the steel rope, the user can fix the end of the steel rope through the hook, and then the user can conveniently arrange the steel rope on the bottom frame.
[0011] Optionally, a sleeve is arranged on the screw rod, a clamping bolt is threadedly connected on the screw rod, the clamping bolt is arranged at the bottom of the sleeve and supports the sleeve, a hanging ring one is fixed on the sleeve, and the hook is detachably connected in the hanging ring one.
[0012] Through the above technical scheme, the sleeve is arranged on the screw rod, the sleeve is supported and fixed on the screw rod through the clamping bolt, the hanging ring one is fixed on the sleeve, the user can hang the hook at the end of the steel rope in the hanging ring one, and the steel rope is connected on the screw rod.
[0013] Optionally, a fixing bolt is arranged on the force transmission frame, the fixing bolt is detachably connected on the force transmission frame, a hanging ring two is fixed on the head of the fixing bolt, and the hook is detachably connected on the hanging ring two.
[0014] Through the above technical scheme, the fixing bolt is arranged on the force transmission frame, the hanging ring two is arranged on the fixing bolt, the user can install the fixing bolt on different positions of the force transmission frame, the hook at the end of the steel rope can be hung in the hanging ring two, and the steel rope is connected on the force transmission frame.
[0015] Optionally, a plurality of conducting mechanisms are arranged on the bottom frame, the connecting points of the plurality of steel ropes and the screw rod are arranged on the screw rod and spaced apart along the length direction of the screw rod, and the connecting points of the steel ropes and the force transmission frame are spaced apart along the straight line direction.
[0016] Through the above technical scheme, the plurality of conducting mechanisms are arranged on the bottom frame, the plurality of steel ropes can be connected on the screw rod and the force transmission frame, and the stress applied by the hydraulic cylinder is uniformly distributed on the bottom frame.
[0017] Optionally, the top frame comprises a base, an extension rod, two reinforcing rods and a vertical rod, the base is fixed on the top surface of the continuous beam by bolts, the extension rod is horizontally arranged, one end of the extension rod is connected to the base, and the other end of the extension rod extends to the outside of the continuous beam, the screw rod is connected to the extension rod, the bottom rod is parallel to the extension rod in the length direction, one end of the reinforcing rod is connected to the bottom rod, and the other end of the reinforcing rod is connected to the extension rod, the extension rod, the bottom rod and the reinforcing rod form a parallelogram structure, the vertical rod is vertically arranged, one end of the vertical rod is fixed at the connection between the extension rod and the reinforcing rod, and the other end of the vertical rod is fixed at the connection between the bottom rod and the reinforcing rod, and the extension rod, the bottom rod, the two reinforcing rods and the vertical rod are all provided with connecting pieces, and the rod ends are connected to each other through the connecting pieces and conduct stress.
[0018] By adopting the above technical scheme, the extension rod, the bottom rod and the two reinforcing rods are connected to form a parallelogram structure, and the vertical rod is vertically arranged in the parallelogram formed by the extension rod, the bottom rod and the two reinforcing rods, so that the top frame has better structural strength, and when the screw rod is connected to the end of the extension rod, the force on the top frame is uniform and the structure is stable.
[0019] Optionally, the tripod comprises a horizontal part, an inclined part and a vertical part, the horizontal part, the inclined part and the vertical part are made of I-beams, the horizontal part is horizontally arranged, the vertical part is vertically fixed at one end of the horizontal part, one end of the inclined part is fixed on the horizontal part, and the other end of the inclined part is fixed on the vertical part, the horizontal part, the inclined part and the vertical part are connected to form a triangular structure, and when the tripod is fixed on the continuous beam, the horizontal part is horizontally arranged and connected to the hydraulic cylinder.
[0020] By adopting the above technical scheme, the I-beams are used to connect the horizontal part, the inclined part and the vertical part to form the tripod, so that the tripod has better structural strength, and when the hydraulic cylinder abuts against the horizontal part, the stress on the horizontal part can be uniformly distributed on the inclined part when the hydraulic cylinder is elongated, thereby improving the structural strength of the tripod.
[0021] Optionally, the hydraulic cylinder and the screw rod are located in the same plane, and a plurality of hydraulic cylinders and a plurality of screw rods are arranged at intervals along the length direction of the continuous beam.
[0022] By adopting the above technical scheme, the hydraulic cylinder and the screw rod are located in the same plane, so that the force transmission frame can be arranged in a rod-shaped structure, thereby reducing the volume of the bottom frame and facilitating installation of the bottom frame by the user.
[0023] In summary, the beneficial technical effects of the present application are:
[0024] 1. The application is characterized in that a screw rod is arranged on the top frame, a force transmission frame is arranged below the screw rod, a user controls the extension of the hydraulic cylinder to make the tripod support the hydraulic cylinder, and then the force transmission frame is subjected to stress, which can be transmitted to the top frame through the screw rod to achieve the effect of detecting the strength of the top frame; a conduction mechanism is arranged on the bottom frame, one end of the steel rope is connected with the screw rod, and the other end is connected with the force transmission frame, so that the stress on the force transmission frame can be transmitted to the screw rod through the steel rope, reducing the stress concentration at the connection between the force transmission frame and the screw rod and improving the strength of the bottom frame to withstand the prestress.
[0025] 2. The application is characterized in that a sleeve is arranged on the screw rod, the sleeve is supported and fixed on the screw rod through a clamping bolt, and a hanging ring I is fixed on the sleeve, so that a user can hang the hook at the end of the steel rope in the hanging ring I, thereby achieving the effect of connecting the steel rope with the screw rod.
[0026] 3. The application is characterized in that a fixing bolt is arranged on the force transmission frame, and a hanging ring II is arranged on the fixing bolt, so that a user can install the fixing bolt at different positions on the force transmission frame, and the hook at the end of the steel rope can be hung in the hanging ring II, thereby achieving the effect of connecting the steel rope with the force transmission frame. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 is a schematic diagram of the use state of the embodiment of the application.
[0028] Figure 2 is a schematic diagram of the overall structure of the embodiment of the application Figure 1 .
[0029] Figure 3 is Figure 2 the enlarged view of part A in
[0030] Figure 4 is a schematic diagram of the overall structure of the embodiment of the application Figure 1 .
[0031] Fig. 1 is a top frame; 11 is a base; 12 is an extension rod; 13 is a bottom rod; 14 is a reinforcing rod; 15 is a vertical rod; 16 is a connecting piece; 2 is a bottom frame; 21 is a screw rod; 22 is a force transmission frame; 3 is a tripod; 31 is a horizontal part; 32 is an inclined part; 33 is a vertical part; 4 is a hydraulic cylinder; 5 is a conduction mechanism; 51 is a steel rope; 511 is a hook; 52 is a sleeve; 521 is a hanging ring I; 522 is a clamping bolt; 53 is a fixing bolt; 531 is a hanging ring II. DETAILED DESCRIPTION
[0032] The application will be further described in detail below with reference to the drawings.
[0033] The embodiment of the application discloses a cable-stayed bridge hanging basket counter pressure frame, which refers to Figure 2 and Figure 2, including a top frame 1, a bottom frame 2, a triangular frame 3 and a hydraulic cylinder 4, the top frame 1 is fixedly connected to the upper surface of the continuous beam, the bottom frame 2 is connected to the top frame 1, the bottom frame 2 is located below the top frame 1, the triangular frame 3 is fixed to the outer side wall of the continuous beam, and the hydraulic cylinder 4 is vertically arranged on the bottom frame 2, the cylinder body of the hydraulic cylinder 4 is fixed to the bottom frame 2, and the piston rod of the hydraulic cylinder 4 abuts against the triangular frame 3. The user controls the hydraulic cylinder 4 to elongate, so that the hydraulic cylinder 4 abuts between the triangular frame 3 and the bottom frame 2, and then the bottom frame 2 is stressed, the stress on the bottom frame 2 can be transmitted to the top frame 1, so that the top frame 1 is stressed. When the top frame 1 is stressed, the structure can be stable, which indicates that the top frame 1 can bear the weight of the hanging basket and the load after the hanging basket is installed on the top frame 1 and the load is arranged, and then it is indicated that the structural strength of the top frame 1 meets the requirements, and the user can install the top frame 1 on the continuous beam and arrange the sling or the steel bar on the top frame 1, so that the hanging basket can be arranged on the continuous beam through the top frame 1.
[0034] With reference to Figure 2 , the top frame 1 comprises a base 11, an extension rod 12, a bottom rod 13, two reinforcing rods 14 and a vertical rod 15, the base 11 is a flat plate structure, the base 11 is fixed on the top surface of the continuous beam by bolts, the extension rod 12 is horizontally arranged, one end of the extension rod 12 is connected to the base 11, and the other end extends to the outside of the continuous beam, and the bottom frame 2 is connected to the extension rod 12. The bottom rod 13 is parallel to the extension rod 12 in the length direction, one end of the reinforcing rod 14 is connected to the bottom rod 13, and the other end is connected to the extension rod 12, and the extension rod 12, the bottom rod 13 and the reinforcing rod 14 form a parallelogram structure. The vertical rod 15 is vertically arranged, one end of the vertical rod 15 is fixed at the connection position of the extension rod 12 and the reinforcing rod 14, and the other end is fixed at the connection position of the bottom rod 13 and the reinforcing rod 14. The extension rod 12, the bottom rod 13, the two reinforcing rods 14 and the vertical rod 15 together form a stable structure, so that the stress applied by the bottom frame 2 to the top frame 1 can be transmitted to the base 11, and then the base 11 can apply stress to the surface of the continuous beam. The end portions of the extension rod 12, the bottom rod 13, the two reinforcing rods 14 and the vertical rod 15 are all provided with connecting pieces 16, and the end portions of the rods are connected to each other through the connecting pieces 16 and transmit stress.
[0035] With reference to Figure 2 , the bottom frame 2 comprises a screw rod 21 and a force transmission frame 22, the upper end of the screw rod 21 is connected to the connecting piece 16 at the end portion of the extension rod 12, and the lower end of the screw rod 21 is connected to the force transmission frame 22. The force transmission frame 22 is horizontally arranged. The hydraulic cylinder 4 is installed on the force transmission frame 22, and the triangular frame 3 is fixed above the force transmission frame 22.
[0036] With reference to Figure 4, the tripod 3 comprises a horizontal part 31, an inclined part 32 and a vertical part 33, the horizontal part 31, the inclined part 32 and the vertical part 33 are made of I-beam, the horizontal part 31 is horizontally arranged, the vertical part 33 is vertically fixed at one end of the horizontal part 31, one end of the inclined part 32 is fixed on the horizontal part 31, and the other end is fixed on the vertical part 33, and the horizontal part 31, the inclined part 32 and the vertical part 33 are spliced to form a triangular structure. When the tripod 3 is fixed on the continuous beam, the horizontal part 31 is horizontally arranged and connected with the hydraulic cylinder 4. When the hydraulic cylinder 4 is elongated, the tripod 3 is subjected to uniform stress and plays a supporting role for the hydraulic cylinder 4.
[0037] Referring to Figure 3 , in other embodiments, the hydraulic cylinder 4 and the screw rod 21 are arranged in the same plane, and the hydraulic cylinder 4 and the screw rod 21 are arranged in the length direction of the continuous beam. When the hydraulic cylinder 4 is elongated, the pressure applied by the hydraulic cylinder 4 to the force transmission frame 22 can be uniformly transmitted to the screw rod 21.
[0038] Referring to Figure 3 , the force transmission frame 22 is provided with a transmission mechanism 5, which is used to uniformly distribute the stress on the force transmission frame 22 to the screw rod 21. The transmission mechanism 5 comprises a steel wire 51, a sleeve 52 and a fixing bolt 53, the sleeve 52 is fixed on the screw rod 21, the fixing bolt 53 is fixed on the force transmission frame 22, one end of the steel wire 51 is connected to the sleeve 52, and the other end is connected to the fixing bolt 53. When the hydraulic cylinder 4 applies stress to the force transmission frame 22, the stress on the force transmission frame 22 is distributed to the screw rod 21 through the steel wire 51, thereby reducing the stress concentration phenomenon at the connection between the screw rod 21 and the force transmission frame 22.
[0039] Referring to Figure 3 , the end of the steel wire 51 is fixed with a hook 511, which is used to be connected to the sleeve 52 or the fixing bolt 53. The sleeve 52 is fixed with a hanging ring one 521, and the head of the fixing bolt 53 is fixed with a hanging ring two 531. The hook 511 is hung on the hanging ring one 521 or the hanging ring two 531, so that the steel wire 51 can be inclinedly arranged between the screw rod 21 and the force transmission frame 22. The user can adjust the inclination of the steel wire 51 by threadedly connecting the fixing bolt 53 at different positions of the force transmission frame 22, so that the steel wire 51 can always be taut and pull up the force transmission frame 22.
[0040] Referring to Figure 3 , the lower side of the sleeve 52 is provided with a clamping bolt 522, which is threadedly connected to the screw rod 21. The user can adjust the position of the sleeve 52 by adjusting the position of the clamping bolt 522, so that the steel wire 51 can be kept in a taut state on the base frame 2.
[0041] Referring to The conducting mechanism 5 is provided with a plurality of steel ropes 51, the length of each steel rope 51 is different, the end of the steel rope 51 is arranged on the screw rod 21 along the length of the screw rod 21, and the end of the steel rope 51 is arranged on the force transmission frame 22 along the linear direction. By arranging a plurality of steel ropes 51 between the force transmission frame 22 and the screw rod 21, the structural strength of the force transmission frame 22 and the screw rod 21 is further improved, so that the hydraulic cylinder 4 can exert greater stress on the chassis 2.
[0042] The implementation principle of the embodiment of the application is that the screw rod 21 is arranged on the top frame 1, the force transmission frame 22 is arranged at the bottom of the screw rod 21, when the hydraulic cylinder 4 is elongated, one end of the hydraulic cylinder 4 is abutted on the triangular frame 3, and the other end of the hydraulic cylinder 4 is abutted on the force transmission frame 22, the stress of the force transmission frame 22 is conducted to the top frame 1 through the screw rod 21, so that the fence frame is subjected to prestress, the steel rope 51 is arranged between the screw rod 21 and the force transmission frame 22, the steel rope 51 is taut and the stress on the force transmission frame 22 is conducted to the screw rod 21, so that the stress on the screw rod 21 is uniformly distributed, the stress concentration on the chassis 2 is reduced, and the hydraulic cylinder 4 can exert greater stress on the chassis 2.
[0043] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made on the basis of the structure, shape, principle of the application should be covered within the protection scope of the application.
Claims
1. A cable-stayed bridge trolley reverse pressure frame, characterized in that: The utility model provides a continuous beam lifting device, including top frame (1), bottom frame (2), tripod (3) and hydraulic cylinder (4), top frame (1) is fixed on the top of continuous beam, bottom frame (2) includes screw rod (21) and force transmission frame (22), screw rod (21) is vertically arranged, and the upper end of screw rod (21) is fixed on top frame (1), and the lower end is fixed on force transmission frame (22), tripod (3) is fixed on the side wall of continuous beam and is located above force transmission frame (22), and hydraulic cylinder (4) is vertically arranged between force transmission frame (22) and tripod (3), and the transmission mechanism (5) is arranged on bottom frame (2), and the transmission mechanism (5) includes steel wire rope (51), and steel wire rope (51) is obliquely arranged and one end is fixed on screw rod (21), and the other end is fixed on force transmission frame (22).
2. The cable-stayed bridge trolley reverse pressure frame according to claim 1, characterized in that: The end of the steel wire rope (51) is provided with a hook (511), and the hook (511) is used for detachable connection on the screw rod (21) or the force transmission frame (22).
3. The cable-stayed bridge trolley reverse pressure frame according to claim 2, characterized in that: The screw rod (21) is sleeved with a sleeve (52), and the screw rod (21) is threadedly connected with a clamping bolt (522), the clamping bolt (522) is arranged at the bottom of the sleeve (52) and supports the sleeve (52), the sleeve (52) is fixed with a first hanging ring (521), and the hook (511) is detachably connected in the first hanging ring (521).
4. The cable-stayed bridge trolley reverse pressure frame according to claim 3, characterized in that: The force transmission frame (22) is provided with a fixing bolt (53), the fixing bolt (53) is detachably connected on the force transmission frame (22), the fixing bolt (53) is fixed with a second hanging ring (531) on the head, and the hook (511) is detachably connected on the second hanging ring (531).
5. The cable-stayed bridge trolley reverse pressure frame according to claim 4, characterized in that: A plurality of transmission mechanisms (5) are arranged on the bottom frame (2), the connecting points of the plurality of steel wire ropes (51) and the screw rod (21) are arranged at intervals along the length direction of the screw rod (21) on the screw rod (21), and the connecting points of the steel wire ropes (51) and the force transmission frame (22) are arranged at intervals in a straight line direction.
6. The cable-stayed bridge trolley reverse pressure frame according to claim 1, characterized in that: The top frame (1) includes a base (11), an extension rod (12), a bottom rod (13), two reinforcing rods (14) and a vertical rod (15), the base (11) is fixed on the top surface of the continuous beam by bolts, the extension rod (12) is horizontally arranged, one end of the extension rod (12) is connected to the base (11), and the other end extends out of the continuous beam, the screw rod (21) is connected to the extension rod (12), the bottom rod (13) is parallel to the extension rod (12) in the length direction, one end of the reinforcing rod (14) is connected to the bottom rod (13), and the other end is connected to the extension rod (12), the extension rod (12), the bottom rod (13) and the reinforcing rod (14) form a parallelogram structure, the vertical rod (15) is vertically arranged, one end of the vertical rod (15) is fixed at the connection between the extension rod (12) and the reinforcing rod (14), and the other end is fixed at the connection between the bottom rod (13) and the reinforcing rod (14), and the ends of the extension rod (12), the bottom rod (13), the two reinforcing rods (14) and the vertical rod (15) are all provided with connecting pieces (16), and the rod ends are connected to each other and transmit stress through the connecting pieces (16).
7. The cable-stayed bridge trolley reverse pressure frame according to claim 1, characterized in that: The tripod (3) comprises a horizontal part (31), an inclined part (32) and a vertical part (33), the horizontal part (31), the inclined part (32) and the vertical part (33) are made of I-shaped steel, the horizontal part (31) is horizontally arranged, the vertical part (33) is vertically fixed at one end of the horizontal part (31), one end of the inclined part (32) is fixed on the horizontal part (31), and the other end is fixed on the vertical part (33), the horizontal part (31), the inclined part (32) and the vertical part (33) are spliced to form a triangular structure, when the tripod (3) is fixed on the continuous beam, the horizontal part (31) is horizontally arranged and connected with the hydraulic cylinder (4).
8. The cable-stayed bridge trolley reverse pressure frame according to claim 1, characterized in that: The hydraulic cylinder (4) and the screw rod (21) are located in the same plane, and a plurality of hydraulic cylinders (4) and a plurality of screw rods (21) are arranged along the length direction of the continuous beam.