Steel beam hoisting device for overpass bridge
By designing the support arm device with opposite settings, the problem of unstable I-shaped steel angle in the hoisting of span bridge steel beams is solved, and the uniform stress and stability are improved, the risk of damage to the connection part is reduced, and the device is extended Service life.
Patent Information
- Application Number
- CN202323662992.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-29
AI Technical Summary
During the lifting of the span bridge steel beam, I-shaped steel is prone to instability in the angle, resulting in damage to the inclination and connection parts, affecting the safety of the lifting.
A support arm device including opposite arrangement is designed, through supporting plates, fixing rings, support columns, insert rods, screws and springs, ensuring that the I-shaped steel is subjected to uniform force during the lifting process, reducing tilt and shaking, and through The chute and placement box prevent dust and impurities from accumulating, protecting the fixing ring and spring.
It effectively reduces the inclination and bending of I-shaped steel during the lifting process, improves the stability and safety of the lifting process, and extends the service life of the device.
Smart Images
Figure CN222206039U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bridge construction, in particular to a steel beam hoisting device for a cross-line bridge. Background Art
[0002] An overpass is usually a facility installed above for pedestrians, bicycles and other vehicles to cross the road. Overpasses can be divided into two types: separated type and interchange type. The separated type only ensures that vehicles on the upper and lower lines can pass independently, while the interchange type allows vehicles on the upper and lower lines to pass each other.
[0003] The hoisting of steel beams of overpasses is a large-scale construction hoisting operation. Before hoisting, the construction site needs to be cleaned to ensure that the quality meets the requirements. The hoisting equipment will be installed according to the actual situation. During the hoisting process, the I-beams need to be fixed and supported, lifted and transported, and transported to the designated location for connection and fixing.
[0004] During the hoisting process of the steel beams of the overpass, it is found that the I-beams are prone to unstable angles, causing the I-beams to tilt, which in turn causes the I-beams to lose stability during the hoisting process and cause damage to the connecting parts.
[0005] To this end, the utility model provides a steel beam hoisting device for a cross-line bridge. Utility Model Content
[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.
[0007] The technical solution adopted by the utility model to solve its technical problems is: the utility model is a kind of steel beam hoisting device for overpass bridge, comprising a support arm; the support arm is provided with two; the two support arms are arranged oppositely, the side wall of the support arm is fixedly connected with a support plate near the bottom, the top of the support arm is fixedly connected with a fixing ring, the end of the support arm is fixedly connected with a support column, the end of the support arm is provided with a fixing groove, the top of the support column is provided with a plurality of groups of grooves, the top of the support arm is provided with a plurality of groups of through grooves corresponding to the groove positions, the through groove is provided with a plug rod, the end of the plug rod is arranged inside the groove, the two sides of the I-beam can be effectively fixed by the support arm, the two sides of the I-beam are fixed and lifted by the support plate, the force of the I-beam can be effectively uniform when it is hoisted, the excessive force on the local part of the I-beam during the hoisting process is effectively reduced, the tilt or bending of the I-beam caused by the uneven force due to the excessive force on the local part is reduced, the I-beam can maintain the straightness so that it is more stable during the hoisting process, the risk of damage to the connection part caused by the instability of the I-beam during the hoisting process is reduced, and the safety of the I-beam during the hoisting process is effectively increased.
[0008] Preferably, the support arm side wall is provided with a first connecting groove, the first connecting groove is threadedly connected to the first screw, the end of the first screw is threadedly connected to the second screw, the support arm is provided with a second connecting groove on the side away from the first connecting groove, the second connecting groove is arranged at a position corresponding to the second screw, the end of the second screw is threadedly connected to the second connecting groove, and the second screw and the first screw can effectively support and fix the support arms installed on both sides of the I-beam, so that the position of the I-beam can be kept stable during the lifting process, and the shaking and deviation of the I-beam during movement can be reduced. The weight of the I-beam can be dispersed to each support arm through the first screw and the second screw, effectively reducing the load of a single support arm during lifting, and effectively reducing damage caused by overload. The first screw and the second screw can effectively increase additional support and effectively increase the stability of the I-beam during the lifting process.
[0009] Preferably, a hook is fixedly connected to the bottom of the support arm, a connecting ring is sleeved in the middle of the hook, a rope is fixedly connected to the middle of the connecting ring, and springs are fixedly connected to the two ends of the rope. The rope can effectively fix the bottom of the I-beam during hoisting, effectively reduce the swinging or sliding of the I-beam during the hoisting movement, and can effectively transfer the weight of the I-beam to the support arm, effectively share the weight of the I-beam, and can accurately place the I-beam, effectively improving the quality and efficiency of hoisting.
[0010] Preferably, two slide grooves are provided on the top of the support arm, and the two slide grooves are provided on both sides of the fixing ring. Slide blocks are slidably connected inside the slide grooves, and a placement box is fixedly connected to the top of the two slide blocks. A slide block is slidably connected to the side wall of the placement box. The placement box can effectively reduce the generation of dust and impurities by the support arm during the placement process, effectively reduce the problem of corrosion of the fixing ring caused by the accumulation of dust and impurities, and reduce the risk of damage and aging of the fixing ring caused by corrosion and oxidation. Protecting and storing the fixing ring can increase the reliability and stability of its performance and reduce the risk of aging caused by long-term placement when it is used again.
[0011] Preferably, multiple groups of elastic cloth are fixed to the middle part of the two ropes, and the multiple groups of elastic cloth are fixed to the middle part of the rope near one end of the spring, and the multiple groups of elastic cloth are equidistantly distributed outside the spring. The elastic cloth can effectively reduce the elasticity during the elastic stretching of the spring, so that the spring can better restore to its original shape when subjected to pressure or stretching, effectively making the spring more durable, and can reduce the pollution of dust and impurities to the spring, reduce the accumulation of dust and impurities that cause rust on the spring, and effectively increase the service life and stability of the spring.
[0012] Preferably, the side wall of the support arm is fixedly connected to a fixing seat, and the side wall of the fixing seat is fixedly connected to an elastic plate, and the elastic plate is arranged in an arc shape and is fixedly connected to the top position of the support plate. The elastic plate is squeezed to fit more closely with the top of the I-beam, so that the elastic plate can effectively fix the I-beam, which can reduce the problem of tilting of the I-beam during the placement process and effectively increase the stability of the I-beam.
[0013] The beneficial effects of the utility model are as follows:
[0014] 1. The utility model is a steel beam hoisting device for a cross-line bridge, which can effectively fix the two sides of the I-beam through the support arm, and fix and lift the two sides of the I-beam through the support plate, which can effectively make the force on the I-beam uniform when hoisting, effectively reduce the excessive force on the I-beam in the local area during the hoisting process, reduce the tilt or bending of the I-beam caused by uneven force due to excessive local force, and can make the I-beam maintain the straightness and be more stable during the hoisting process, reduce the risk of damage to the connection parts due to the instability of the I-beam during the hoisting process, and effectively increase the safety of the I-beam during the hoisting process.
[0015] 2. The utility model describes a device for lifting steel beams for overpasses, which can effectively support and fix the support arms installed on both sides of the I-beam through the second screw and the first screw, so that the position of the I-beam can be kept stable during the lifting process, and the shaking and deviation of the I-beam during movement can be reduced. The weight of the I-beam can be dispersed to each support arm through the first screw and the second screw, which effectively reduces the load on a single support arm during lifting and effectively reduces damage caused by overload. The first screw and the second screw can effectively provide additional support, effectively increasing the stability of the I-beam during the lifting process. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model will be further described below in conjunction with the accompanying drawings.
[0017] Figure 1 It is a stereoscopic diagram of a steel beam hoisting device for a cross-line bridge in the utility model;
[0018] Figure 2 It is a schematic diagram of the matching structure of the placement box and the support arm in the utility model;
[0019] Figure 3 It is a schematic diagram of the matching structure of the first connecting groove and the first screw in the utility model;
[0020] Figure 4 It is a schematic diagram of the matching structure of the rope and the elastic cloth in the utility model;
[0021] Figure 5 It is a schematic diagram of the matching structure of the support column and the fixing groove in the utility model;
[0022] In the figure: 1. support arm; 11. support plate; 12. fixing ring; 13. support column; 14. fixing groove; 15. through groove; 16. insertion rod; 17. groove; 2. first connecting groove; 21. first screw rod; 22. second screw rod; 23. second connecting groove; 3. hook; 31. connecting ring; 32. rope; 33. spring; 4. slide groove; 41. slider; 42. placement box; 43. slide plate; 5. elastic cloth; 6. fixing seat; 61. elastic plate; 7. rubber pad. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, a device for lifting a steel beam of a cross-line bridge described in an embodiment of the utility model comprises a support arm 1; the support arm 1 is provided with two; the two support arms 1 are arranged oppositely, a support plate 11 is fixedly connected to the side wall of the support arm 1 near the bottom, a fixing ring 12 is fixedly connected to the top of the support arm 1, a support column 13 is fixedly connected to the end of the support arm 1, a fixing groove 14 is provided at the end of the support arm 1, a plurality of groups of grooves 17 are provided on the top of the support column 13, a plurality of groups of through grooves 15 are provided at the positions corresponding to the grooves 17 on the top of the support arm 1, an insertion rod 16 is provided inside the through groove 15, and the end of the insertion rod 16 is arranged inside the groove 17. When working, by placing the two support arms 1 in opposite positions, the two opposing support arms 1 are grouped together, and the two support columns 13 are inserted into the corresponding fixing grooves 14, and one end of the steel wire rope is respectively connected to the fixing ring 12 on the top of a group of support arms 1. The two support plates 11 are then placed on both sides of the middle of the I-beam respectively. After the two support arms 1 are tightly attached to the two sides of the I-beam, multiple groups of plug rods 16 are inserted into the groove 17 through the through slot 15. The above operation is repeated on the other side of the I-beam so that when the wire rope is pulled up by the crane, the two groups of support plates 11 fix the I-beam close to both ends and then lift it to the designated position for installation. The support arm 1 can effectively fix the two sides of the I-beam. Fixing and lifting the two sides of the I-beam through the support plates 11 can effectively make the force uniform when the I-beam is lifted, effectively reduce the local excessive force on the I-beam during the lifting process, reduce the inclination or bending of the I-beam caused by uneven force due to local excessive force, can keep the I-beam straight and thus be more stable during the lifting process, reduce the risk of damage to the connecting parts caused by the instability of the I-beam during the lifting process, and effectively increase the safety of the I-beam during the lifting process.
[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, the side wall of the support arm 1 is provided with a first connecting groove 2, the first connecting groove 2 is internally threadedly connected with a first screw rod 21, the end of the first screw rod 21 is threadedly connected with a second screw rod 22, and the support arm 1 is provided with a second connecting groove 23 on the side away from the first connecting groove 2, the second connecting groove 23 is provided at a position corresponding to the second screw rod 22, and the end of the second screw rod 22 is threadedly connected to the second connecting groove 23. When working, the first screw 21 is placed inside the corresponding first connecting groove 2, the second screw 22 is extended after the first screw 21 is rotated, and the end of the second screw 22 is placed in the second connecting groove 23 corresponding to the side wall of the other support arm 1, and then during the rotation of the first screw 21 and the second screw 22, the first screw 21 is rotated inside the first connecting groove 2 through the thread The second screw 22 is rotated inside the second connecting groove 23 and fixed by a thread, so that the two groups of support arms 1 are supported and fixed on both sides of the I-beam by the first screw 21 and the second screw 22. The second screw 22 and the first screw 21 can effectively support and fix the support arms 1 installed on both sides of the I-beam, so that the position of the I-beam can be kept stable during the lifting process, and the shaking and deviation of the I-beam when moving can be reduced. The weight of the I-beam can be dispersed to each support arm 1 through the first screw 21 and the second screw 22, effectively reducing the load of a single support arm 1 during lifting, and effectively reducing the damage caused by overload. The first screw 21 and the second screw 22 can effectively increase the additional support, and effectively increase the stability of the I-beam during the lifting process.
[0026] like Figure 1 and Figure 4 As shown, a hook 3 is fixedly connected to the bottom of the support arm 1, a connecting ring 31 is sleeved in the middle of the hook 3, a rope 32 is fixedly connected to the middle of the connecting ring 31, and springs 33 are fixedly connected to the ends of the two ropes 32. When working, one end of the connecting ring 31 is sleeved in the middle position through the end of the hook 3, and then the spring 33 is fitted with the bottom of the I-beam, and the other end of the rope 32 is pulled up and elastically stretched by the spring 33 so that the connecting ring 31 is sleeved in the middle of another hook 3. The rope 32 can effectively fix the bottom of the I-beam during hoisting, effectively reduce the swinging or sliding of the I-beam during the hoisting and moving process, and can effectively transfer the weight of the I-beam to the support arm 1, effectively share the weight of the I-beam, and can accurately place the I-beam, effectively improving the quality and efficiency of hoisting.
[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 5As shown, two slide grooves 4 are provided on the top of the support arm 1, and two of the slide grooves 4 are provided on both sides of the fixed ring 12. A slider 41 is slidably connected inside the slide groove 4, and a placement box 42 is fixedly connected to the top of the two sliders 41. A slide plate 43 is slidably connected to the side wall of the placement box 42. During operation, when the support arm 1 is not in use and is stored, the slide plate 43 is slid upward, and then the placement box 42 is slid inside the slide groove 4, so that the fixed ring 12 enters the placement box 42, and then the slide plate 43 is slid downward to seal the fixed ring 12 inside the placement box 42. The placement box 42 can effectively reduce the dust and impurities generated by the support arm 1 during the placement process, effectively reduce the problem of corrosion of the fixed ring 12 caused by the accumulation of dust and impurities, and reduce the risk of damage and aging of the fixed ring 12 caused by corrosion and oxidation. Protecting and storing the fixed ring 12 can increase the reliability and stability of its performance, and reduce the risk of aging caused by long-term placement when it is used again.
[0028] like Figure 1 and Figure 4 As shown, multiple groups of elastic cloth 5 are fixedly connected to the middle part of the two ropes 32, and the multiple groups of elastic cloth 5 are fixedly connected to the middle part of the rope 32 near one end of the spring 33, and the multiple groups of elastic cloth 5 are equidistantly distributed outside the spring 33. During operation, when the spring 33 is elastically stretched to the bottom of the I-beam, the elastic cloth 5 is stretched at the same time, and the multiple groups of elastic cloth 5 are fitted with the bottom of the I-beam. The elastic cloth 5 can effectively reduce the elasticity of the spring 33 during elastic stretching, so that the spring 33 can better recover to its original state when it is under pressure or stretched, effectively making the spring 33 more durable, and can reduce the pollution of dust and impurities to the spring 33, reduce the accumulation of dust and impurities that cause rust on the spring 33, and effectively increase the service life and stability of the spring 33.
[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, the side wall of the support arm 1 is fixedly connected to a fixing seat 6, and the side wall of the fixing seat 6 is fixedly connected to an elastic plate 61. The elastic plate 61 is arranged in an arc shape, and the elastic plate 61 is fixedly connected to the top position of the support plate 11. During operation, when the middle part of the support plate 11 enters the middle part of the I-beam, after the bottom of the elastic plate 61 contacts the top of the I-beam, the I-beam is squeezed to elastically bend the elastic plate 61. After being fixed in the middle part of the I-beam, the top of the I-beam is pressed tightly by the elastic plate 61. After the elastic plate 61 is squeezed, it fits more closely with the top of the I-beam, so that the elastic plate 61 can effectively fix the I-beam, which can reduce the problem of the I-beam being tilted during the placement process, and effectively increase the stability of the I-beam.
[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, a rubber pad 7 is installed on the top of the support plate 11, and the rubber pad 7 is fixed to the top of the support plate 11. During operation, when the support plate 11 is fixed inside the I-beam, the rubber pad 7 fits with the top of the middle part of the I-beam. The rubber pad 7 can effectively increase the friction force when fitting the I-beam. Increasing the friction force can make the I-beam more stable when fixed, and effectively reduce the sliding of the I-beam during the lifting process.
[0031] When working, by placing two support arms 1 in opposite positions, the two opposing support arms 1 form a group, inserting two support columns 13 into the corresponding fixed grooves 14, connecting one end of the wire rope to the fixed ring 12 at the top of a group of support arms 1, and then placing two support plates 11 on both sides of the middle of the I-beam respectively, and after the two support arms 1 are tightly attached to both sides of the I-beam, multiple groups of insertion rods 16 are inserted into the groove 17 through the through groove 15, and the above operation is repeated on the other side of the I-beam, so that when the wire rope is pulled up by the crane, the two groups of support plates 11 will work After the two ends of the steel are fixed, they are lifted and placed in the designated position for installation. The first screw rod 21 is placed in the corresponding first connecting groove 2. The second screw rod 22 is extended after the first screw rod 21 is rotated. The end of the second screw rod 22 is placed in the second connecting groove 23 corresponding to the side wall of the other support arm 1. In the process of rotating the first screw rod 21 and the second screw rod 22, the first screw rod 21 is rotated in the first connecting groove 2 to be fixed by the thread, and the second screw rod 22 is rotated in the second connecting groove 23 to be fixed by the thread, so that the two sets of support rods are connected. The arm 1 is supported and fixed on both sides of the I-beam by the first screw 21 and the second screw 22. The connecting ring 31 at one end is sleeved in the middle position through the end of the hook 3, and then the spring 33 is fitted with the bottom of the I-beam. The rope 32 at the other end is pulled up and elastically stretched by the spring 33 so that the connecting ring 31 is sleeved in the middle of another hook 3. When the support arm 1 is not in use and is stored, the slide plate 43 is slid upward, and then the placement box 42 is slid inside the slide groove 4, so that the fixing ring 12 enters the placement box 42, and then the slide plate 43 slides downward. The fixing ring 12 is sealed inside the placement box 42. When the spring 33 is elastically stretched to the bottom of the I-beam, the elastic cloth 5 is stretched at the same time, and fits with the bottom of the I-beam through multiple groups of elastic cloths 5. When the middle part of the support plate 11 enters the middle part of the I-beam, after the bottom of the elastic plate 61 contacts the top of the I-beam, the I-beam is squeezed to make the elastic plate 61 elastically bend. After being fixed in the middle part of the I-beam, the top of the I-beam is pressed by the elastic plate 61. When the support plate 11 is fixed inside the I-beam, it fits with the top of the middle part of the I-beam through the rubber pad 7.
[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A device for hoisting steel beams of a cross-line bridge, comprising a support arm (1); characterized in that: Two support arms (1) are provided; the two support arms (1) are arranged opposite to each other, a support plate (11) is fixedly connected to the side wall of the support arm (1) near the bottom, a fixing ring (12) is fixedly connected to the top of the support arm (1), a support column (13) is fixedly connected to the end of the support arm (1), a fixing groove (14) is provided at the end of the support arm (1), a plurality of groups of grooves (17) are provided at the top of the support column (13), a plurality of groups of through grooves (15) are provided at the top of the support arm (1) at positions corresponding to the grooves (17), an insertion rod (16) is provided inside the through groove (15), and the end of the insertion rod (16) is arranged inside the groove (17).
2. The device for hoisting steel beams of a flyover bridge according to claim 1, characterized in that: The side wall of the support arm (1) is provided with a first connecting groove (2), a first screw rod (21) is threadedly connected inside the first connecting groove (2), and a second screw rod (22) is threadedly connected at the end of the first screw rod (21), and a second connecting groove (23) is provided on a side of the support arm (1) away from the first connecting groove (2), the second connecting groove (23) is provided at a position corresponding to the second screw rod (22), and the end of the second screw rod (22) is threadedly connected to the second connecting groove (23).
3. The device for hoisting steel beams of a flyover bridge according to claim 2, characterized in that: A hook (3) is fixedly connected to the bottom of the support arm (1), a connecting ring (31) is sleeved in the middle of the hook (3), a rope (32) is fixedly connected to the middle of the connecting ring (31), and springs (33) are fixedly connected to the ends of the two ropes (32).
4. The device for hoisting steel beams of a flyover bridge according to claim 3 is characterized in that: Two slide grooves (4) are provided at the top of the support arm (1), and the two slide grooves (4) are provided on both sides of the fixing ring (12). A slider (41) is slidably connected inside the slide groove (4), a placement box (42) is fixedly connected to the top of the two sliders (41), and a slide plate (43) is slidably connected to the side wall of the placement box (42).
5. The device for hoisting steel beams of a flyover bridge according to claim 4, characterized in that: A plurality of groups of elastic fabrics (5) are fixedly connected to the middle of the two ropes (32), the plurality of groups of elastic fabrics (5) are fixedly connected to the middle of the ropes (32) near one end of the spring (33), and the plurality of groups of elastic fabrics (5) are evenly distributed outside the spring (33).
6. The device for hoisting steel beams of a flyover according to claim 5, characterized in that: The side wall of the support arm (1) is fixedly connected to a fixing seat (6), and the side wall of the fixing seat (6) is fixedly connected to an elastic plate (61), the elastic plate (61) is arranged in an arc shape, and the elastic plate (61) is fixedly connected to the top position of the support plate (11).