Steel box girder hoisting fine adjustment device

Abstract

The utility model relates to the technical field of hoisting, and provides a steel box girder hoisting fine adjustment device which comprises a hoisting rod, a fixing plate is fixedly connected to the bottom of the hoisting rod, hoisting clamping fine adjustment equipment is arranged on the side face of the fixing plate, the hoisting clamping fine adjustment equipment comprises a supporting rod, one end of the supporting rod is fixedly connected to the side face of the fixing plate, and the other end of the supporting rod is fixedly connected to the fixing plate. A motor is fixedly connected to the side face of the supporting rod, a threaded rod is fixedly connected to an output shaft of the motor, a threaded sleeve is connected to the circumferential face of the threaded rod in a threaded mode, a limiting rod is fixedly connected to the side face of the fixing plate, and the end, away from the fixing plate, of the limiting rod penetrates through the side face of the threaded sleeve. The problems that in the prior art, the clamping force is difficult to adjust accurately, deformation or damage caused by too tight clamping is difficult to avoid, an operator cannot know the adjusting effect in time so as to carry out fine adjustment, and the safety and effectiveness of operation are difficult to improve are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting, and in particular to a steel box girder hoisting fine-tuning device. Background Art

[0002] The steel box girder hoisting fine-tuning device is mainly used for precise positioning and fine-tuning of the steel box girder during the hoisting process to ensure that the girder can be accurately installed to the designed position.

[0003] According to the publicly disclosed steel box girder hoisting fine-tuning device (publication number: CN 220183837 U), it includes a monitoring component and a moving component. The monitoring component includes a height monitor and a side monitor. The side monitor includes a fixing frame and a monitoring module. The height monitor includes a bracket and a monitoring module. The monitoring module includes a fixing plate and two rangefinders. The height monitor is installed on the installed box girder, and the side monitor is installed on the side of the installed box girder. The moving component is installed below the box girder to be installed and is used to adjust the position of the box girder to be installed.

[0004] When lifting a steel box, clamping may be used. If the clamping force cannot be accurately controlled and adjusted during the clamping process, the steel box may be damaged. Through the mutual coordination between the above-mentioned monitoring components, side monitors and other components, it is difficult to accurately adjust the clamping force, and it is difficult to avoid deformation or damage caused by excessive clamping. It is difficult for the operator to understand the adjustment effect in time and make fine adjustments. It is difficult to improve the safety and effectiveness of the operation, and needs to be improved. Utility Model Content

[0005] The utility model provides a steel box girder hoisting fine-tuning device, which solves the problems raised in the above documents.

[0006] The technical solution of the utility model is as follows: a steel box girder hoisting fine-tuning device, comprising a hanger, the bottom of the hanger is fixedly connected to a fixed plate, the side of the fixed plate is provided with a hoisting clamping fine-tuning device, the hoisting clamping fine-tuning device comprises a support rod, one end of the support rod is fixedly connected to the side of the fixed plate, the side of the support rod is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a threaded rod, the circumferential surface of the threaded rod is threadedly connected to a threaded sleeve, the side of the fixed plate is fixedly connected to a limit rod, and the limit rod is far One end away from the fixed plate passes through the side surface of the threaded sleeve, the bottom of the threaded sleeve is fixedly connected to a vertical rod, the side of the vertical rod is fixedly connected to a clamping plate, the top of the fixed plate is fixedly connected to a short column, the top of the short column is rotatably connected to a connecting rod, the side of the fixed plate is fixedly connected to a cross rod, the bottom of the cross rod is fixedly connected to a rectangular plate, the end of the connecting rod away from the short column is rotatably connected to a displacement rod, the circumferential surface of the rotating shaft is rotatably connected to the displacement rod, the top of the connecting rod is fixedly connected to an arrow, and the top of the rectangular plate is fixedly connected to a ruler.

[0007] Furthermore, two fixing plates and clamping plates are provided, and are arranged along a linear array on the circumferential surface of the threaded rod. The end of the displacement rod away from the rotating shaft is rotatably connected to the top of the threaded sleeve. The design of the two clamping plates is conducive to more stable clamping and lifting of the steel box.

[0008] Furthermore, a plurality of vertical rods are provided, in groups of two, and arranged along a linear array at the bottom of the fixed plate. The ruler is located at the bottom of the arrow. A switch is provided on the side of the motor. The design of the switch is conducive to direct control of the motor.

[0009] Furthermore, the suspension rod is made of metal, the rectangular plate is located at the bottom of the threaded rod, and the side of the clamping plate is fixedly connected with a protective pad, which is made of a relatively soft material to prevent the components on the steel box from being damaged.

[0010] Furthermore, the protective pad is made of rubber material, two cross bars are provided, and are symmetrical to each other along the vertical center axis of the threaded rod, and the ruler is located on the side of the threaded rod. The design of the ruler makes it convenient to intuitively see how much the clamping force of the clamping plate is adjusted, thereby helping to achieve more precise adjustment.

[0011] Furthermore, an automatic lubrication and rust-proof device is provided at the bottom of the rectangular plate, and the automatic lubrication and rust-proof device includes a notch, which is opened at the bottom of the rectangular plate, and a telescopic rod is fixedly connected to the side of the vertical rod, and a control box is fixedly connected to the inner wall of the notch, and a support plate is fixedly connected to the inner wall of the control box, and a movable plate is slidably connected to the inner wall of the control box, and a push rod is fixedly connected to the top of the movable plate, and the end of the push rod away from the movable plate passes through the side of the control box, and an oil outlet pipe passes through the side of the control box, and a through pipe groove is opened at the bottom of the rectangular plate, and the oil outlet pipe is located on the inner wall of the through pipe groove, and the threaded rod is lubricated by lubricating oil to reduce the rust of the threaded rod.

[0012] Furthermore, the end of the oil outlet pipe away from the control box is located on the side of the threaded rod, the push rod is located on the displacement track of the telescopic rod, and the oil outlet pipe is located on the side of the threaded rod, which is convenient for direct lubrication of the threaded rod.

[0013] Furthermore, there are two support plates, which are symmetrical to each other along the vertical center axis of the movable plate. A round rod is fixedly connected to the inner wall of the control box, and one end of the round rod away from the inner wall of the control box passes through the bottom of the movable plate. The round rod is used to limit the displacement trajectory of the movable plate to prevent deviation of the displacement trajectory.

[0014] Furthermore, a spring is fixedly connected to the inner wall of the control box, and one end of the spring away from the control box is fixedly connected to the bottom of the movable plate. The design of the spring is conducive to helping the movable plate to automatically reset when the movable plate is not squeezed.

[0015] A dredge pipe is passed through the side of the control box, and an oil tank is passed through the end of the dredge pipe away from the control box. An oil inlet pipe is passed through the side of the oil tank. The side of the oil tank is fixedly connected to the bottom of the rectangular plate, and the lubricating oil inside the oil tank is transferred into the control box by using the dredge pipe.

[0016] The working principle and beneficial effects of the utility model are as follows:

[0017] 1. In the utility model, the motor, threaded rod, threaded sleeve, clamping plate and other components inside the hoisting clamping fine-tuning equipment cooperate with each other, so that the clamping force can be accurately adjusted through the structure of the motor and threaded rod. This is very important for protecting the integrity of the steel box girder and avoiding deformation or damage caused by over-tightening. The design of the displacement rod and arrow allows the operator to observe the changes in the clamping force in real time. Through the scale on the ruler, the operator can understand the adjustment effect in time and make fine adjustments, which improves the safety and effectiveness of the operation. The mechanical structure of the device makes the clamping adjustment more convenient, especially during the hoisting process. The operator can make adjustments without affecting the hoisting operation, reducing human errors and operational difficulty.

[0018] 2. In the utility model, the telescopic rod, control box, support plate, push rod, oil outlet pipe and other components inside the automatic lubrication and rust prevention equipment cooperate with each other, so that the oil outlet pipe is located on the side of the threaded rod, and the outflowing lubricating oil will drip onto the threaded rod, thereby lubricating the threaded rod of the components inside the lifting and clamping fine-tuning equipment, reducing the rust of the threaded rod. Regular lubrication of the threaded rod can effectively reduce wear and rust, extend the service life of the equipment, and reduce maintenance costs. The flow of lubricating oil ensures the smooth operation of the threaded rod, making the fine-tuning process more flexible, reducing the operational difficulties caused by excessive friction, reducing equipment failures and improving operational stability, directly improving the safety of lifting operations, and preventing accidents caused by equipment failures. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0020] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0021] Figure 2 This is a three-dimensional bottom-up structural diagram of the threaded rod of the utility model;

[0022] Figure 3 For this utility model Figure 1 Schematic diagram of the three-dimensional enlarged structure of A in the middle;

[0023] Figure 4 This is a schematic diagram of the three-dimensional cross-sectional structure of the rectangular plate of the utility model;

[0024] Figure 5 For this utility model Figure 4 Schematic diagram of the three-dimensional enlarged structure of B.

[0025] In the figure: 1. Lifting rod; 2. Fixed plate; 3. Lifting clamping and fine-tuning device; 31. Support rod; 32. Motor; 33. Threaded rod; 34. Threaded sleeve; 35. Limit rod; 36. Vertical rod; 37. Clamping plate; 38. Short column; 39. Connecting rod; 311. Displacement rod; 312. Arrow; 313. Rectangular plate; 314. Ruler; 315. Cross bar; 4. Automatic lubrication and rust prevention device; 41. Notch; 42. Telescopic rod; 43. Control box; 44. Support plate; 45. Moving plate; 46. Push rod; 47. Round rod; 48. Spring; 49. Oil outlet pipe; 410. Clearing pipe; 411. Oil tank; 412. Oil inlet pipe; 413. Pipe groove; 5. Protective pad. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0027] Example 1

[0028] like Figures 1 to 3 As shown, this embodiment proposes a steel box girder hoisting fine-tuning device, including a boom 1, a fixed plate 2 is fixedly connected to the bottom of the boom 1, a hoisting clamping fine-tuning device 3 is provided on the side of the fixed plate 2, and the hoisting clamping fine-tuning device 3 includes a support rod 31, one end of the support rod 31 is fixedly connected to the side of the fixed plate 2, a motor 32 is fixedly connected to the side of the support rod 31, a threaded rod 33 is fixedly connected to the output shaft of the motor 32, a threaded sleeve 34 is threadedly connected on the circumferential surface of the threaded rod 33, a limiting rod 35 is fixedly connected to the side of the fixed plate 2, and the end of the limiting rod 35 away from the fixed plate 2 passes through the screw thread. The side of the threaded sleeve 34 and the bottom of the threaded sleeve 34 are fixedly connected with a vertical rod 36, the side of the vertical rod 36 is fixedly connected with a clamping plate 37, the top of the fixed plate 2 is fixedly connected with a short column 38, the top of the short column 38 is rotatably connected with a connecting rod 39, the side of the fixed plate 2 is fixedly connected with a cross bar 315, the bottom of the cross bar 315 is fixedly connected with a rectangular plate 313, the end of the connecting rod 39 away from the short column 38 is rotatably connected to the displacement rod 311, the circumferential surface of the rotating shaft is rotatably connected to the displacement rod 311, the top of the connecting rod 39 is fixedly connected with an arrow 312, and the top of the rectangular plate 313 is fixedly connected with a ruler 314.

[0029] There are two fixed plates 2 and clamping plates 37, and they are arranged along a linear array on the circumferential surface of the threaded rod 33. The end of the displacement rod 311 away from the rotating shaft is rotated and connected to the top of the threaded sleeve 34. The design of the two clamping plates 37 is conducive to more stable clamping and lifting of the steel box.

[0030] There are several vertical rods 36, which are arranged in groups of two and along a linear array at the bottom of the fixed plate 2. The ruler 314 is located at the bottom of the arrow 312. A switch is provided on the side of the motor 32. The design of the switch is conducive to direct control of the motor 32.

[0031] The suspension rod 1 is made of metal, the rectangular plate 313 is located at the bottom of the threaded rod 33, and the side of the clamping plate 37 is fixedly connected with a protective pad 5. The material of the protective pad 5 is relatively soft to prevent the components on the steel box from being damaged.

[0032] The protective pad 5 is made of rubber material, two cross bars 315 are provided, and are symmetrical to each other along the vertical center axis of the threaded rod 33. The ruler 314 is located on the side of the threaded rod 33. The design of the ruler 314 makes it convenient to intuitively see how much the clamping force of the clamping plate 37 is adjusted, helping to achieve more precise adjustment.

[0033] When the screw sleeve 34 is in the state of being lifted, the screw threaded rod 33 of the first screw threaded rod 33 is rotated, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod 33 rotates, and the screw threaded rod The scale line indicated by the ruler 314 changes. By observing the change in the scale line indicated by the arrow 312 on the ruler 314, the operator can know how much the clamping force has been adjusted. In the process of clamping and lifting the steel box, the arrow 312 is displaced, so that the operator can know the approximate clamping force and make fine adjustments. The structure of the motor 32 and the threaded rod 33 can achieve precise adjustment of the clamping force, which is very important for protecting the integrity of the steel box girder and avoiding deformation or damage caused by excessive clamping. The design of the displacement rod 311 and the arrow 312 allows the operator to observe the changes in the clamping force in real time. Through the scale on the ruler 314, the operator can timely understand the adjustment effect and make fine adjustments, thereby improving the safety and effectiveness of the operation. The mechanical structure of the device makes clamping adjustment more convenient, especially during the lifting process. The operator can make adjustments without affecting the lifting operation, reducing human errors and operational difficulty.

[0034] Example 2

[0035] like Figures 4 and 5As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment also proposes another embodiment, an automatic lubrication and rust-proofing device 4 is provided at the bottom of the rectangular plate 313, the automatic lubrication and rust-proofing device 4 includes a notch 41, the notch 41 is opened at the bottom of the rectangular plate 313, the side of the vertical rod 36 is fixedly connected with a telescopic rod 42, the inner wall of the notch 41 is fixedly connected with a control box 43, the inner wall of the control box 43 is fixedly connected with a support plate 44, the inner wall of the control box 43 is slidably connected with a movable plate 45, the top of the movable plate 45 is fixedly connected with a push rod 46, the end of the push rod 46 away from the movable plate 45 passes through the side of the control box 43, the side of the control box 43 passes through an oil outlet pipe 49, a through pipe groove 413 is opened at the bottom of the rectangular plate 313, the oil outlet pipe 49 is located on the inner wall of the through pipe groove 413, and the threaded rod 33 is lubricated by lubricating oil to reduce the rust of the threaded rod 33.

[0036] The end of the oil outlet pipe 49 away from the control box 43 is located on the side of the threaded rod 33, the push rod 46 is located on the displacement track of the telescopic rod 42, and the oil outlet pipe 49 is located on the side of the threaded rod 33, which is convenient for direct lubrication of the threaded rod 33.

[0037] Two support plates 44 are provided, and are symmetrical to each other along the vertical center axis of the movable plate 45. A round rod 47 is fixedly connected to the inner wall of the control box 43. The end of the round rod 47 away from the inner wall of the control box 43 passes through the bottom of the movable plate 45. The round rod 47 is used to limit the displacement trajectory of the movable plate 45 to prevent deviation of the displacement trajectory.

[0038] A spring 48 is fixedly connected to the inner wall of the control box 43, and one end of the spring 48 away from the control box 43 is fixedly connected to the bottom of the movable plate 45. The design of the spring 48 is conducive to helping the movable plate 45 to automatically reset when the movable plate 45 is not squeezed.

[0039] A dredging pipe 410 passes through the side of the control box 43, and an oil tank 411 passes through the end of the dredging pipe 410 away from the control box 43. An oil inlet pipe 412 passes through the side of the oil tank 411. The side of the oil tank 411 is fixedly connected to the bottom of the rectangular plate 313, and the dredging pipe 410 is used to transfer the lubricating oil inside the oil tank 411 into the interior of the control box 43.

[0040] In this embodiment, the clamping plate 37 is moved by the above-mentioned movement of the clamping plate 37, and the clamping plate 37 is integrated with the vertical rod 36. When the clamping plate 37 moves, the vertical rod 36 will also move. The movement of the vertical rod 36 will drive the telescopic rod 42 to move. The push rod 46 is located on the movement trajectory of the telescopic rod 42. When the telescopic rod 42 moves, it will squeeze the push rod 46. When the push rod 46 moves, it will squeeze the movable plate 45. After being squeezed, the movable plate 45 will move toward the inner wall of the control box 43. The inner wall of the control box 43 is composed of two support plates 44 and a movable plate 45. There is a baffle. The lubricating oil in the oil tank 411 is transferred into the control box 43 through the dredging pipe 410. The lubricating oil in the control box 43 is located on this baffle, and the oil outlet pipe 49 is located below this baffle, which will cause the lubricating oil to be unable to flow out. When the movable plate 45 is squeezed When the pressure is displaced, a gap will be opened in the baffle, allowing the lubricating oil to flow down from the baffle and out through the oil outlet pipe 49. The oil outlet pipe 49 is located on the side of the threaded rod 33. The outflowing lubricating oil will drip onto the threaded rod 33, thereby lubricating the component threaded rod 33 inside the lifting and clamping fine-tuning equipment 3, reducing the rust of the threaded rod 33. Regular lubrication of the threaded rod 33 can effectively reduce wear and rust, extend the service life of the equipment, and reduce maintenance costs. The flow of lubricating oil ensures the smooth operation of the threaded rod 33, making the fine-tuning process more flexible, reducing the operational difficulties caused by excessive friction, reducing equipment failures and improving operational stability, directly improving the safety of lifting operations, and preventing accidents caused by equipment failures.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A steel box girder hoisting fine-tuning device, characterized in that: It comprises a suspension rod (1), the bottom of the suspension rod (1) is fixedly connected to a fixing plate (2), and a lifting, clamping and fine-tuning device (3) is provided on the side of the fixing plate (2); The hoisting, clamping and fine-tuning device (3) comprises a support rod (31), one end of the support rod (31) is fixedly connected to the side of the fixing plate (2), a motor (32) is fixedly connected to the side of the support rod (31), a threaded rod (33) is fixedly connected to the output shaft of the motor (32), a threaded sleeve (34) is threadedly connected to the circumferential surface of the threaded rod (33), a limiting rod (35) is fixedly connected to the side of the fixing plate (2), one end of the limiting rod (35) away from the fixing plate (2) passes through the side of the threaded sleeve (34), a vertical rod (36) is fixedly connected to the bottom of the threaded sleeve (34), and the vertical rod (36) ) is fixedly connected to a clamping plate (37) on the side of the fixing plate (2), a short column (38) is fixedly connected to the top of the short column (38), a connecting rod (39) is rotatably connected to the top of the short column (38), a cross bar (315) is fixedly connected to the side of the fixing plate (2), a rectangular plate (313) is fixedly connected to the bottom of the cross bar (315), a displacement rod (311) is rotatably connected to the end of the connecting rod (39) away from the short column (38), and a displacement rod (311) is rotatably connected to the circumferential surface of the rotating shaft, an arrow (312) is fixedly connected to the top of the connecting rod (39), and a ruler (314) is fixedly connected to the top of the rectangular plate (313).

2. The steel box girder hoisting and fine-tuning device according to claim 1, characterized in that: Two fixing plates (2) and clamping plates (37) are provided and arranged along a linear array on the circumferential surface of the threaded rod (33). One end of the displacement rod (311) away from the rotating shaft is rotatably connected to the top of the threaded sleeve (34).

3. The steel box girder hoisting and fine-tuning device according to claim 2, characterized in that: The vertical rods (36) are provided in a plurality, in groups of two, and arranged along a linear array at the bottom of the fixed plate (2). The ruler (314) is located at the bottom of the arrow (312). A switch is provided on the side of the motor (32).

4. The steel box girder hoisting and fine-tuning device according to claim 3, characterized in that: The suspension rod (1) is made of metal, the rectangular plate (313) is located at the bottom of the threaded rod (33), and a protective pad (5) is fixedly connected to the side of the clamping plate (37).

5. The steel box girder hoisting and fine-tuning device according to claim 4, characterized in that: The protective pad (5) is made of rubber material. Two cross bars (315) are provided and are symmetrical to each other along the vertical center axis of the threaded rod (33). The ruler (314) is located on the side of the threaded rod (33).

6. The steel box girder hoisting and fine-tuning device according to claim 5, characterized in that: An automatic lubrication and rust prevention device (4) is provided at the bottom of the rectangular plate (313). The automatic lubrication and rust prevention device (4) includes a notch (41) which is provided at the bottom of the rectangular plate (313). A telescopic rod (42) is fixedly connected to the side of the vertical rod (36). A control box (43) is fixedly connected to the inner wall of the notch (41). A support plate (44) is fixedly connected to the inner wall of the control box (43). A movable plate (45) is slidably connected to the inner wall of the control box (43). A push rod (46) is fixedly connected to the top of the movable plate (45). An end of the push rod (46) away from the movable plate (45) passes through the side of the control box (43). An oil outlet pipe (49) passes through the side of the control box (43). A through pipe groove (413) is provided at the bottom of the rectangular plate (313). The oil outlet pipe (49) is located on the inner wall of the through pipe groove (413).

7. The steel box girder hoisting and fine-tuning device according to claim 6, characterized in that: One end of the oil outlet pipe (49) away from the control box (43) is located on the side of the threaded rod (33), and the push rod (46) is located on the displacement track of the telescopic rod (42).

8. The steel box girder hoisting and fine-tuning device according to claim 7, characterized in that: Two support plates (44) are provided and are symmetrical to each other along the vertical center axis of the movable plate (45). A round rod (47) is fixedly connected to the inner wall of the control box (43). One end of the round rod (47) away from the inner wall of the control box (43) passes through the bottom of the movable plate (45).

9. The steel box girder hoisting and fine-tuning device according to claim 8, characterized in that: A spring (48) is fixedly connected to the inner wall of the control box (43), and one end of the spring (48) away from the control box (43) is fixedly connected to the bottom of the movable plate (45).

10. The steel box girder hoisting and fine-tuning device according to claim 9, characterized in that: A dredging pipe (410) is passed through the side of the control box (43); an end of the dredging pipe (410) away from the control box (43) is passed through an oil tank (411); an oil inlet pipe (412) is passed through the side of the oil tank (411); and the side of the oil tank (411) is fixedly connected to the bottom of the rectangular plate (313).

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