Precast beam lifting appliance based on bridge
By introducing anti-shaking buffer mechanism and automatic maintenance plate mechanism into the bridge spreader, the problems of hook shaking and wire rope maintenance during the lifting process are solved, and safer and more efficient lifting construction is achieved.
Patent Information
- Application Number
- CN202510069449.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-03-11
AI Technical Summary
When hoisting prefabricated bridge beams, the movement status of the auxiliary wire rope and the main wire rope under the action of wind are inconsistent, resulting in the hook and the hook and cable connection rope shaking as they are not synchronously, which may cause the prefabricated beam to be out of control and unhooked and fall, affecting construction safety. In addition, when existing lifting equipment is maintained in wire ropes, the area at the hook connection is difficult to get close, which affects the maintenance efficiency.
A prefabricated beam spreader based on bridges is designed, using anti-shaking buffer mechanism and automatic maintenance plate mechanism. The anti-shaking cushioning mechanism includes a sliding pushing table, a universal spherical connector and a pressing spring. Through the spring force and sliding of the pushing table, it absorbs and buffers the shaking of the hook. The automatic maintenance plate mechanism is driven by an electric telescopic rod and magnetic force to automatically apply a curing agent to the surface of the hook and cable connecting rope.
It effectively reduces the shaking range of structural beams and ensures the safety and stability of lifting. The automatic maintenance plate mechanism improves the maintenance efficiency of the wire rope, simplifies operation, and improves construction efficiency.
Smart Images
Figure CN119590988A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of slings, in particular to a sling based on a prefabricated beam for a bridge. Background Art
[0002] A hoist refers to a device used in lifting machinery to lift heavy objects. It is widely used in the lifting and hoisting industry. During the construction of a bridge, a hoist is usually required to lift prefabricated beams for bridge construction.
[0003] When hoisting structural beams, it is usually necessary to install auxiliary steel wire ropes at the hooks of the hoisting equipment to hoist the structural beams. When using auxiliary ropes to hoist prefabricated beams outdoors, if there is strong wind, a lateral force will be exerted on the prefabricated beams, causing the prefabricated beams to swing in the air. Since the auxiliary steel wire ropes may be relatively thin, the displacement or swing amplitude caused by the wind may be larger, while the main steel wire ropes are thicker and relatively more stable, but they will also sway to a certain extent due to the wind. This difference makes the movement states of the two inconsistent under the action of wind, resulting in the auxiliary steel wire rope driving the hook and the main steel wire rope to sway asynchronously, and the existing hoisting equipment usually does not have an anti-sway mechanism. If the hook and the auxiliary steel wire ropes are not The rope is used for anti-sway buffering to make the structural beam have a balanced posture during hoisting, which may cause the prefabricated beam to lose control and fall off the hook, affecting construction safety. At the same time, when the entire hoisting equipment is hoisting the structural beam, the wire rope at the hook connection is the part that bears the greatest gravity. When the existing hoisting equipment maintains the wire rope, it is usually maintained by manually applying a curing agent to the wire rope when it is reeled. However, since the wire rope connected to the hook is set at the end of the main wire rope, when the boom is in working condition or partially reeled, the end where the hook is located is at a high position and the space is small, making it difficult for maintenance personnel to approach the area for operation, affecting the maintenance efficiency. If the wire rope is disassembled for maintenance, it will affect the construction efficiency of the entire equipment. Summary of the invention
[0004] The purpose of the present invention is to provide a prefabricated beam hanger for bridges to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a prefabricated beam hoist for bridges, comprising a hoisting beam and a plurality of through holes arranged in the hoisting beam, main steel wire ropes are fixedly connected to both sides of the hoisting beam, a chassis is fixedly connected to both sides of the outside of the hoisting beam, a liquid storage tank is arranged inside the chassis, a liquid filling port is arranged on the liquid storage tank, and the liquid filling port passes through the outside of the hoisting beam, a mounting boss is fixedly connected to the chassis, a hook cable connecting rope is arranged on the mounting boss, a bottom mounting piece is arranged at one end of the hook cable connecting rope away from the mounting boss, a hook is arranged at the lower end of the bottom mounting piece, a plurality of fixing plates are fixedly connected to the bottom of the hoisting beam, a buffer box is fixedly connected to the outer side walls of the plurality of fixing plates, and an anti-sway buffer mechanism is arranged inside the buffer box.
[0006] Preferably, the anti-sway buffer mechanism includes a push platform slidably arranged inside the buffer box, a universal spherical connector is installed on the push platform, a buffer arm is fixedly connected to the outer wall of the universal spherical connector, one end of the buffer arm away from the universal spherical connector is rotatably connected to the outer wall of the bottom mounting part, push plates are fixedly connected on both sides of the push platform, and sliding grooves corresponding to the push plates are opened on both sides of the buffer box.
[0007] Preferably, a sliding rod is fixedly connected to the outer wall of the push platform, and the sliding rod slides through to the outside of the buffer box. A pressing spring is sleeved on the outer wall of the sliding rod, and top plates are provided on both sides of the end of the sliding rod. Speed reduction strips are fixedly connected to both sides of the sliding rod.
[0008] Preferably, both sides of the end of the buffer box are fixedly connected with side plates, the side plates are slidably connected inside with a protrusion, a trigger magnet is arranged on the protrusion, the contact end of the protrusion and the deceleration strip are made of frosted material, both sides of the protrusion are fixedly connected with a return spring, the other end of the return spring is connected to the side plate, the side plate is slidably connected inside with a trigger plate, an embedded magnet is arranged on the trigger plate, the magnetic poles of the embedded magnet are the same as the magnetic poles of the trigger magnet, a plurality of limiting teeth are arranged on the upper end of the trigger plate, a mounting plate is fixedly connected to the outer side wall of the side plate, a blocking plate is slidably connected inside the mounting plate, the end of the blocking plate is in sliding contact with the limiting teeth, a tension spring is arranged at the end of the blocking plate away from the limiting teeth, and the other end of the tension spring is connected to the mounting plate.
[0009] Preferably, electric telescopic rods are provided on both sides of the liquid storage tank, and the ends of the electric telescopic rods are fixedly connected to the mounting frames, and vertical plates are provided on both sides of the mounting frames, and the interiors of the vertical plates are slidably connected to the pushing slider and the bottom sliding member, and the vertical plates are rotatably connected to the damping shaft, and the damping shaft is provided with gears, and the gears are meshed with the bottom sliding member and the vertical plates.
[0010] Preferably, a maintenance plate is fixedly connected to the outer wall of the pushing slider, a cleaning brush is provided on the inner side of the maintenance plate, a plurality of drip holes are provided on the inner contact end of the maintenance plate, the plurality of drip holes all penetrate into the interior of the maintenance plate, a drip hole is provided inside the maintenance plate, an infusion tube is slidably connected above the drip hole, the infusion tube slides through the interior of the chassis, one end of the infusion tube close to the interior of the chassis is sealed, a pressure spring is sleeved on the outer wall of the infusion tube, and a flow hole is provided on the infusion tube.
[0011] Preferably, a pushing magnet is fixedly connected to the outer side wall of the pushing slider, and an upper magnetic strip is provided on the top of the chassis, and the magnetic poles of the upper magnetic strip are the same as those of the pushing magnet.
[0012] Preferably, a scraper is fixedly connected to the end of the bottom sliding member, a bottom magnet is provided on the side wall of the bottom sliding member, a lower magnetic strip is fixedly connected to the outer side wall of the bottom mounting member, and the magnetic pole of the lower magnetic strip is the same as that of the bottom magnet.
[0013] Compared with the prior art, the present invention has the following beneficial effects: Through the setting of the anti-sway buffer mechanism, when the hook sways slightly, multiple buffer boxes will use the elastic force of the internal compression springs to buffer and protect the swaying hook, so that the structural beam can be in a balanced posture during hoisting, thereby ensuring construction safety. If the outdoor wind is strong and causes the hook to sway greatly, the push platform will allow the compression spring to contract at a normal speed and rebound at a slower speed to buffer and protect the hook. This buffering method can allow the compression spring to absorb the violent shaking energy and then slowly rebound to slowly release the energy back to the environment, thereby more effectively reducing the sway amplitude of the structural beam and further ensuring the hoisting safety of the structural beam.
[0014] Through the setting of mechanisms such as maintenance plates and scrapers, when the hook cable connecting rope connected to the hook needs to be maintained, the entire maintenance plate will automatically apply the curing agent to the surface of the hook cable connecting rope. Compared with the traditional manual application of curing agent, the automatic application of curing agent is more efficient and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the bottom structure of the present invention; Figure 3 It is a schematic diagram of the local structure of the present invention Figure 1 ; Figure 4 It is a schematic diagram of the local structure of the present invention Figure 2 ; Figure 5It is an enlarged view of A in Fig. 4; Figure 6 It is a schematic diagram of the installation frame structure of the present invention; Figure 7 It is a schematic diagram of the local structure of the present invention Figure 3 ; Figure 8 It is a schematic diagram of the local structure of the present invention Figure 4 ; Fig. 9 It is a schematic diagram of the planar structure of the present invention; Fig.10 The planar structure of the protective plate of the present invention is shown in FIG. Figure 1 ; Fig.11 The planar structure of the protective plate of the present invention is shown in FIG. Figure 2 .
[0016] In the attached drawings, the parts represented by the reference numerals are as follows: 1. Main steel wire rope; 2. Hoisting beam; 3. Liquid storage tank; 4. Electric telescopic rod; 5. Through hole; 6. Hook cable connecting rope; 7. Chassis; 8. Pressure spring; 9. Fixing plate; 10. Buffer box; 11. Flow hole; 12. Buffer arm; 13. Universal spherical connector; 14. Push platform; 15. Push plate; 16. Slide rod; 17. Press spring; 18. Side plate; 19. Trigger plate; 20. Embedded magnet; 21. Limiting tooth; 22. Blocking plate; 23. Speed reduction strip; 24. Bump; 25. Return spring; 26. Top plate; 27. Bottom mounting piece; 28. Lower magnetic strip; 29. Hook; 30. Mounting frame; 31. Vertical plate; 32. Mounting boss; 33. Infusion tube; 34. Bottom sliding piece; 35. Scraper; 36. Pushing slider; 37. Gear; 38. Upper magnetic strip; 39. Maintenance plate; 40. Drip hole; 41. Pushing magnet; 42. Bottom magnet; 43. Cleaning brush; 44. Drip hole. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0018] Example 1: Please refer to Figure 1 - Fig. 9The figure shows a prefabricated beam hoist for bridges, including a hoisting beam 2 and a plurality of through holes 5 arranged in the hoisting beam 2, main steel wire ropes 1 are fixedly connected to both sides of the hoisting beam 2, chassis 7 are fixedly connected to both sides of the outside of the hoisting beam 2, a liquid storage tank 3 is arranged inside the chassis 7, a liquid filling port is arranged on the liquid storage tank 3, and the liquid filling port extends to the outside of the hoisting beam 2, a mounting boss 32 is fixedly connected to the chassis 7, a hook cable connecting rope 6 is arranged on the mounting boss 32, a bottom mounting member 27 is arranged at one end of the hook cable connecting rope 6 away from the mounting boss 32, a hook 29 is arranged at the lower end of the bottom mounting member 27, a plurality of fixing plates 9 are fixedly connected to the bottom of the hoisting beam 2, a buffer box 10 is fixedly connected to the outer walls of the plurality of fixing plates 9, and an anti-sway buffer mechanism is arranged inside the buffer box 10.
[0019] The anti-sway buffer mechanism includes a push platform 14 slidably arranged inside the buffer box 10, a universal spherical connector 13 is installed on the push platform 14, a buffer arm 12 is fixedly connected to the outer wall of the universal spherical connector 13, and one end of the buffer arm 12 away from the universal spherical connector 13 is rotatably connected to the outer wall of the bottom mounting member 27, push plates 15 are fixedly connected to both sides of the push platform 14, and sliding grooves corresponding to the push plates 15 are opened on both sides of the buffer box 10.
[0020] A slide bar 16 is fixedly connected to the outer wall of the push platform 14, and the slide bar 16 slides through the outside of the buffer box 10. A pressing spring 17 is sleeved on the outer wall of the slide bar 16. Top plates 26 are provided on both sides of the end of the slide bar 16, and speed reduction bars 23 are fixedly connected to both sides of the slide bar 16.
[0021] In this embodiment, when the bridge structure beam is hoisted, the auxiliary steel wire rope can be first fixed on the structural beam, and then the hook 29 can be hooked to the auxiliary steel wire rope, and the main steel wire rope 1 can be pulled by the crane to hoist the structural beam. When hoisting the steel wire rope, if there is strong wind weather, a lateral force will be generated on the prefabricated beam, causing the prefabricated beam to swing in the air. Since the thickness of the main steel wire rope 1 and the auxiliary steel wire rope are different, the movement states of the two under the action of wind are inconsistent, which may cause the hook 29 to drive the hook cable connecting rope 6 to shake. When the hook 29 drives the bottom mounting member 2 When the hook 7 and the hook cable connecting rope 6 shake, the bottom mounting part 27 will squeeze the buffer arm 12 corresponding to the shaking direction. When the buffer arm 12 is squeezed, it will push the push platform 14 to slide above the buffer box 10. When the push platform 14 slides above the buffer box 10, it will squeeze the pressing spring 17. Since the pressing spring 17 itself has elastic force, when the pressing spring 17 is squeezed, it will buffer the shaking bottom mounting part 27 and the hook 29 through its own elastic force to prevent the hook 29 from swinging significantly, thereby increasing the stability of the entire hook 29 and the auxiliary steel wire rope and ensuring the safety of the lifting of the structural beam.
[0022] Example 2: Please refer to Figure 1 - Fig. 9 , both sides of the end of the buffer box 10 are fixedly connected with side plates 18, and a protrusion 24 is slidably connected inside the side plate 18. A trigger magnet is arranged on the protrusion 24. The contact end of the protrusion 24 and the deceleration strip 23 are both made of frosted material. Reset springs 25 are fixedly connected on both sides of the protrusion 24, and the other end of the reset spring 25 is connected to the side plate 18. A trigger plate 19 is slidably connected inside the side plate 18. An embedded magnet 20 is arranged on the trigger plate 19. The magnetic poles of the embedded magnet 20 are the same as those of the trigger magnet. A plurality of limiting teeth 21 are arranged on the upper end of the trigger plate 19. A mounting plate is fixedly connected to the outer wall of the side plate 18, and a blocking plate 22 is slidably connected inside the mounting plate. The end of the blocking plate 22 is in sliding contact with the limiting tooth 21, and a tension spring is arranged at one end of the blocking plate 22 away from the limiting tooth 21, and the other end of the tension spring is connected to the mounting plate.
[0023] Electric telescopic rods 4 are provided on both sides of the liquid storage tank 3, and the ends of the electric telescopic rods 4 are fixedly connected to the mounting frame 30. Vertical plates 31 are provided on both sides of the mounting frame 30. The interior of the vertical plates 31 is slidably connected with a pushing slider 36 and a bottom sliding member 34. A damping shaft is rotatably connected to the vertical plates 31, and a gear 37 is provided on the damping shaft. The gear 37 is meshed with the bottom sliding member 34 and the vertical plates 31.
[0024] A maintenance plate 39 is fixedly connected to the outer wall of the push slider 36, a cleaning brush 43 is provided on the inner side of the maintenance plate 39, a plurality of drip holes 44 are provided on the inner contact end of the maintenance plate 39, and the plurality of drip holes 44 all penetrate into the interior of the maintenance plate 39, a drip hole 40 is provided inside the maintenance plate 39, an infusion tube 33 is slidably connected above the drip hole 40, the infusion tube 33 slides through the interior of the chassis 7, one end of the infusion tube 33 close to the interior of the chassis 7 is sealed, a pressure spring 8 is sleeved on the outer wall of the infusion tube 33, and a flow hole 11 is provided on the infusion tube 33.
[0025] A pushing magnet 41 is fixedly connected to the outer side wall of the pushing slider 36 , and an upper magnetic strip 38 is provided on the top of the chassis 7 . The magnetic poles of the upper magnetic strip 38 are the same as those of the pushing magnet 41 .
[0026] A scraper 35 is fixedly connected to the end of the bottom sliding member 34 , a bottom magnet 42 is provided on the side wall of the bottom sliding member 34 , a lower magnetic strip 28 is fixedly connected to the outer side wall of the bottom mounting member 27 , and the magnetic pole of the lower magnetic strip 28 is the same as that of the bottom magnet 42 .
[0027] In this embodiment, if strong winds occur, causing the entire hook 29 to drive the hook cable connecting rope 6 and the bottom mounting member 27 to shake significantly, the bottom mounting member 27 will squeeze the buffer arm 12 corresponding to the shaking direction, and push the push platform 14 through the buffer arm 12, so that the push platform 14 moves to the upper end of the buffer box 10. Since the slide bar 16 is connected to the push platform 14, and the slide bar 16 and the buffer box 10 are slidably connected, when the push platform 14 moves toward the upper end of the buffer box 10, in addition to the push platform 14 greatly squeezing the pressing spring 17, it will also synchronously push the slide bar 16 upward to make the top plate 26 break away from the contact with the upper end of the trigger plate 19. When the push platform 14 moves toward the end of the buffer box 10, it will drive the push plate 15 to move synchronously. When it moves to the end of the buffer box 10, it will contact and push the trigger plate 19 to move upward. When the trigger plate 19 moves upward, it will drive the embedded magnet 20 to the positive side of the protrusion 24. Since the trigger magnet on the positive side of the protrusion 24 has the same magnetic pole as the embedded magnet 20, when the distance between the two is close, under the action of the repulsive magnetic force, the protrusion 24 will overcome the elastic force of the return spring 25 and move in the direction close to the deceleration bar 23, so that the protrusion 24 contacts the deceleration bar 23. Since the contact end of the protrusion 24 and the deceleration bar 23 are made of frosted material, friction will be generated when the two contact. After the push platform 14 drives the push plate 15 to move to the end of the buffer box 10, under the action of the elastic force of the pressing spring 17, the push platform 14 will rebound and move back to the bottom of the buffer box 10 to return to its original position. When the push platform 14 returns to its original position, the slide bar 16 will be driven to move synchronously. When the slide bar 16 returns to its original position as the push platform 14 does, it will drive the deceleration strip 23 to keep in frictional contact with the bump 24. Under the action of the friction force generated by the contact between the two, the speed at which the push platform 14 returns to its original position will be slowed down. When the retraction speed of the push platform 14 slows down, the rebound speed of the pressing spring 17 will also slow down. When the push platform 14 drives the slide bar 16 to return to its original position at a slower retraction speed, the top plate 26 located on the top of the slide bar 16 will re-contact and press the trigger plate 19, allowing the trigger plate 19 to move downward and return to its original position. When the trigger plate 19 drives the embedded magnet 20 to return to its original position, the distance between the embedded magnet 20 and the trigger magnet on the bump 24 becomes farther. At this time, the reset spring 17 is in a state of being pressed back to the original position. Under the elastic force of the spring 25, the protrusion 24 will also return to its original position and will not contact the speed reduction strip 23. When the protrusion 24 and the speed reduction strip 23 are no longer in contact, the friction force generated by the friction between the two will also disappear. At this time, when the entire hook 29 drives the hook cable connecting rope 6 and the bottom mounting member 27 to shake greatly, the above principle is repeated, and the buffer arm 12 will push the push platform 14 again, allowing the push platform 14 to move toward the upper end of the buffer box 10, allowing the pressing spring 17 to contract at a normal speed to absorb the vibration force. This reciprocating process can achieve that when the hook 29 drives the hook cable connecting rope 6 and the bottom mounting member 27 to shake greatly, the push platform 14 will squeeze the pressing spring 17, allowing the pressing spring 17 to contract at a normal speed, and the slower rebound speed will buffer the bottom mounting member 27.This buffering method can release the energy back to the environment slowly after the compression spring 17 absorbs the violent shaking energy and then slowly rebounds. This slow release process helps to reduce the impact of the sudden release of shaking energy on the bottom mounting member 27, thereby more effectively reducing the shaking amplitude of the structural beam and further ensuring the safety of the lifting of the structural beam.
[0028] During use, if the hook cable connecting rope 6 needs to be maintained, the electric telescopic rod 4 can be retracted first. When the electric telescopic rod 4 is retracted and the mounting frame 30 is moved to the top of the hook cable connecting rope 6 and located at the mounting boss 32, the upper magnetic strip 38 will come to the side of the pushing magnet 41 and, under the action of the repulsive magnetic force, push the maintenance plate 39 to move in the direction close to the hook cable connecting rope 6 and contact the surface of the hook cable connecting rope 6. When the two maintenance plates 39 are closed, the electric telescopic rod 4 will continue to drive the push slider 36 to move upward. When the push slider 36 moves upward, it will drive the drip hole 40 to contact and push the infusion The infusion tube 33 is pushed into the chassis 7, so that the flow hole 11 originally located outside the chassis 7 enters into the chassis 7. When the flow hole 11 enters into the chassis 7, the curing agent transported by the liquid storage tank 3 to the chassis 7 enters into the infusion tube 33 through the flow hole 11, and finally enters into the drip hole 40 through the infusion tube 33, and finally enters into the curing plate 39. When the curing agent is stored in the curing plate 39, the electric telescopic rod 4 can be extended to push the installation frame 30 to move downward. When the installation frame 30 moves downward, the multiple cleaning brushes 43 on the inner sides of the two closed curing plates 39 will be When the maintenance plate 39 moves down, it scrapes the surface of the hook rope connecting rope 6 to clean the impurities on the surface of the hook rope connecting rope 6. While the cleaning brush 43 cleans the impurities, the multiple drip holes 44 located above the cleaning brush 43 will drip and apply the curing agent to the surface of the hook rope connecting rope 6 when the closed maintenance plate 39 moves down, so as to maintain the hook rope connecting rope 6. By first cleaning the impurities on the surface of the hook rope connecting rope 6 and then dripping the curing agent, the curing agent can penetrate into the inside of the hook rope connecting rope 6 faster to ensure the curing effect. When the electric telescopic rod 4 pushes the installation frame 30 and the vertical plate 31 to move down to the bottom installation When the two scrapers 35 are moved toward the direction close to the hook rope connecting rope 6 and closed, the operator can retract the electric telescopic rod 4. After the electric telescopic rod 4 is retracted, the two closed scrapers 35 will move downward with the mounting frame 30 to scrape the lubricant applied on the surface of the hook rope connecting rope 6, so that the lubricant can be evenly applied on the surface of the hook rope connecting rope 6 to ensure the maintenance effect.
[0029] It should be noted that when the maintenance plate 39 moves toward the direction close to the hook cable connecting rope 6, under the action of the gear 37, the bottom sliding member 34 will drive the scraper 35 to move away from the hook cable connecting rope 6, so that the scraper 35 does not contact the surface of the hook cable connecting rope 6. In this way, it can be ensured that when the maintenance plate 39 drips the curing agent, the scraper 35 does not contact the hook cable connecting rope 6, because the cleaning brush 43 inside the maintenance plate 39 at this time has not cleaned the surface of the hook cable connecting rope 6. At this time, if the scraper 35 contacts the surface of the hook cable connecting rope 6, the impurities on the surface of the hook cable connecting rope 6 will rub against the scraper 35, which will damage the scraper 35. This causes friction loss, affecting the subsequent scraping effect of the scraper 35. Similarly, when the bottom sliding member 34 pushes the scraper 35 to move toward the direction close to the hook cable connecting rope 6, under the action of the gear 37, the pushing slider 36 will drive the maintenance plate 39 to move away from the hook cable connecting rope 6, so that the maintenance plate 39 does not contact the surface of the hook cable connecting rope 6. When the scraper 35 scrapes upwards to evenly apply the curing agent, the maintenance plate 39 does not contact the surface of the hook cable connecting rope 6, which can prevent the cleaning brush 43 inside the maintenance plate 39 from contacting the lubricant, and the lubricant adheres to the cleaning brush 43, affecting the subsequent cleaning effect of the cleaning brush 43.
[0030] It should be noted that, under normal circumstances, the installation frame 30 is located at the upper end of the hook cable connecting rope 6. Figure 7 As shown, the drip hole 40 at this time is not in contact with the infusion tube 33. Therefore, under normal circumstances, there is no lubricant in the maintenance plate 39, and the amount of lubricant in the maintenance plate 39 is small. After moving downward to apply the hook rope connecting rope 6 once, it will be used up. When the scraper 35 moves upward to scrape the lubricant applied on the maintenance plate 39, the multiple drip holes 44 on the maintenance plate 39 will no longer drip lubricant downward.
[0031] It should be noted that since the gear 37 is connected to the damping shaft, a certain driving force is required when the damping shaft rotates. Therefore, under the action of the magnetic force, the closed scraper 35 or the maintenance plate 39 will not separate when they slide in contact with the surface of the hook cable connecting rope 6. They will be in tight contact with the surface of the hook cable connecting rope 6 and will not separate. Only when the mounting frame 30 moves to the upper and lower ends of the hook cable connecting rope 6, under the action of a strong magnetic force, the gear 37 will rotate to separate the closed scraper 35 or the maintenance plate 39.
[0032] It should be noted that when the hook 29 swings normally with a small amplitude, the pushing force of the buffer arm 12 is relatively small, and thus the moving distance of the push platform 14 in the buffer box 10 is limited. Therefore, when the hook 29 swings normally with a small amplitude, the compression spring 17 will perform vibration damping in a normal state, thereby preventing the compression spring 17 from working in a slow rebound state for a long time and being subjected to large alternating stress, which will lead to aggravated fatigue damage, shorten the service life of the compression spring 17, and increase the cost of replacement and maintenance.
[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A prefabricated beam hanger for a bridge, comprising a lifting beam (2) and a plurality of through holes (5) arranged in the lifting beam (2), characterized in that: The two sides of the lifting beam (2) are fixedly connected with the main steel wire rope (1), the two sides of the outside of the lifting beam (2) are fixedly connected with the chassis (7), the inside of the chassis (7) is provided with a liquid storage tank (3), the liquid storage tank (3) is provided with a liquid filling port, and the liquid filling port extends to the outside of the lifting beam (2), the chassis (7) is fixedly connected with a mounting boss (32), the mounting boss (32) is provided with a hook cable connecting rope (6), the end of the hook cable connecting rope (6) away from the mounting boss (32) is provided with a bottom mounting member (27), the lower end of the bottom mounting member (27) is provided with a hook (29), the bottom of the lifting beam (2) is fixedly connected with a plurality of fixing plates (9), the outer side walls of the plurality of fixing plates (9) are fixedly connected with a buffer box (10), and the buffer box (10) is provided with an anti-sway buffer mechanism.
2. The prefabricated beam hanger for bridge according to claim 1, characterized in that: The anti-sway buffer mechanism comprises a push platform (14) slidably arranged inside the buffer box (10), a universal spherical connector (13) being installed on the push platform (14), a buffer arm (12) being fixedly connected to the outer wall of the universal spherical connector (13), an end of the buffer arm (12) away from the universal spherical connector (13) being rotatably connected to the outer wall of the bottom mounting member (27), push plates (15) being fixedly connected to both sides of the push platform (14), and slide grooves corresponding to the push plates (15) being provided on both sides of the buffer box (10).
3. The prefabricated beam hanger for bridge according to claim 2, characterized in that: A sliding rod (16) is fixedly connected to the outer wall of the push platform (14), and the sliding rod (16) slides through the outside of the buffer box (10). A pressing spring (17) is sleeved on the outer wall of the sliding rod (16). Top plates (26) are provided on both sides of the end of the sliding rod (16), and speed reduction strips (23) are fixedly connected to both sides of the sliding rod (16).
4. The prefabricated beam hanger for bridge according to claim 1, characterized in that: The end of the buffer box (10) is fixedly connected to a side plate (18) on both sides, the side plate (18) is slidably connected to a protrusion (24) inside, a trigger magnet is arranged on the protrusion (24), the contact end of the protrusion (24) and the deceleration strip (23) are both made of frosted material, the protrusion (24) is fixedly connected to a return spring (25) on both sides, the other end of the return spring (25) is connected to the side plate (18), the side plate (18) is slidably connected to a trigger plate (19) inside, the trigger plate An embedded magnet (20) is arranged on (19), the magnetic pole of the embedded magnet (20) is the same as the magnetic pole of the trigger magnet, a plurality of limiting teeth (21) are arranged on the upper end of the trigger plate (19), a mounting plate is fixedly connected to the outer wall of the side plate (18), a blocking plate (22) is slidably connected inside the mounting plate, an end of the blocking plate (22) is in sliding contact with the limiting teeth (21), a tension spring is arranged at one end of the blocking plate (22) away from the limiting teeth (21), and the other end of the tension spring is connected to the mounting plate.
5. The prefabricated beam hanger for bridges according to claim 1, characterized in that: Electric telescopic rods (4) are provided on both sides of the liquid storage tank (3), and the ends of the electric telescopic rods (4) are fixedly connected to a mounting frame (30). Vertical plates (31) are provided on both sides of the mounting frame (30), and a push slider (36) and a bottom sliding member (34) are slidably connected inside the vertical plates (31). A damping shaft is rotatably connected to the vertical plates (31), and a gear (37) is provided on the damping shaft. The gear (37) is meshed with the bottom sliding member (34) and the vertical plates (31).
6. The prefabricated beam hanger for bridges according to claim 5, characterized in that: A maintenance plate (39) is fixedly connected to the outer wall of the push slider (36), a cleaning brush (43) is arranged on the inner side of the maintenance plate (39), a plurality of drip holes (44) are arranged on the inner contact end of the maintenance plate (39), the plurality of drip holes (44) all penetrate into the interior of the maintenance plate (39), a drip hole (40) is provided inside the maintenance plate (39), an infusion tube (33) is slidably connected above the drip hole (40), the infusion tube (33) slidably penetrates into the interior of the chassis (7), one end of the infusion tube (33) close to the interior of the chassis (7) is sealed, a pressure spring (8) is sleeved on the outer wall of the infusion tube (33), and a flow hole (11) is provided on the infusion tube (33).
7. The prefabricated beam hanger for bridges according to claim 5, characterized in that: A pushing magnet (41) is fixedly connected to the outer side wall of the pushing slider (36), and an upper magnetic strip (38) is provided on the top of the chassis (7), wherein the magnetic poles of the upper magnetic strip (38) are the same as those of the pushing magnet (41).
8. The prefabricated beam hanger for bridges according to claim 5, characterized in that: A scraper (35) is fixedly connected to the end of the bottom sliding member (34), a bottom magnet (42) is provided on the side wall of the bottom sliding member (34), and a lower magnetic strip (28) is fixedly connected to the outer side wall of the bottom mounting member (27), wherein the magnetic pole of the lower magnetic strip (28) is the same as that of the bottom magnet (42).