Lifting appliance and method for mounting basket arch

Abstract

The invention provides a lifting basket arch installation lifting appliance and method, and a fixing ring used for connecting arch ribs, the lifting basket arch installation lifting appliance comprises: a bearing frame, which is provided with a channel penetrating through two ends of the bearing frame, and two ends of the channel are provided with installation seats, so that two ends of the channel form a lifting part used for lifting the bearing frame; the sling is arranged in the channel of the bearing frame, the two ends of the sling extend out of the two ends of the bearing frame respectively to form lifting sections, the two lifting sections are fixedly provided with lifting hooks, and the lifting hooks are connected with the corresponding fixing rings; the adjusting unit comprises a sliding block arranged in the bearing frame channel in a sliding mode and a driving piece arranged in the bearing frame channel, the driving piece is connected with the sliding block, the sliding block is provided with a connecting block, and the sling is fixedly connected with the connecting block. The positions of the slings in the bearing frame are changed through the sliding blocks, the lengths of the slings extending out of the two ends of the bearing frame are changed, inclination angle adjustment of arch ribs can be achieved through synchronous movement of the driving pieces in the hoisting process of the cable crane, complexity of construction preorder operation is reduced, and working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of bridge construction, and in particular to a basket arch installation hanger and a method. Background Art

[0002] Basket arch bridges are generally used to cross rivers and valleys with large spans. They are a type of bridge structure with strong spanning capacity, beautiful appearance, and increasing application. The arch rib of the bridge, as the most important load-bearing structure of this type of bridge structure, is generally installed by segmented hoisting. Commonly used hoisting equipment cannot meet construction needs, so cable cranes are usually used for installation. Since the arch rib is arc-shaped, it is not easy to control its position in the air by segmented hoisting, which makes it particularly difficult to ensure its precise positioning in the air.

[0003] For example, the Chinese patent "CN107338733B" discloses "a lifting device and lifting method for adjusting and positioning the aerial posture of steel box arch ribs". The lifting device is independently controlled by a single lifting point, including the lifting height of the jack and the rotation of the shaft of the lifting device mechanism, and can adjust the vertical tilt angle; the angle of the steel box arch rib can be more accurately fine-tuned by rotating the shaft and the lifting lug of the steel box arch rib, reducing the repeated adjustment workload caused by equipment manufacturing errors and insufficient aerial posture accuracy during installation during traditional lifting, and ensuring the rapid and accurate positioning of the steel box arch rib during installation. When the above-mentioned lifting device is working, it is necessary to use a hand winch to assist in the installation of the steel strand, and the hand winch needs to be disassembled after the installation is completed. The pre-construction operation is relatively troublesome, and the equipment is large in quantity and the operation and control are inconvenient. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a basket arch installation hanger and method, which solves the problem that the arch rib hoisting device in the prior art is difficult to operate.

[0005] According to an embodiment of the present invention, a basket arch installation hanger is used to connect a fixing ring of an arch rib, comprising: The carrier frame has a passage running through both ends thereof, and mounting seats are provided at both ends of the passage, so that both ends of the passage form a hoisting portion for hoisting the carrier frame; A sling is arranged in the channel of the carrier frame, and two ends of the sling extend out of two ends of the carrier frame to form a lifting section, and both lifting sections are fixed with a hook, and the hook is connected to the corresponding fixing ring; The adjusting unit comprises a slider slidably arranged in the channel of the carrier frame and a driving member arranged in the channel of the carrier frame, the driving member is connected to the slider, the slider is provided with a connecting block, and the sling is fixedly connected to the connecting block; When the driving member causes the slider to slide along the channel of the carrier frame, the sling cable is caused to slide synchronously with the slider to change the length of the two lifting sections and adjust the inclination angle of the arch rib.

[0006] Compared with the prior art, the present invention has the following beneficial effects: In this solution, when hoisting the arch rib on the deck or the shore, the two hoisting sections of the sling correspond to the two fixed rings of the arch rib respectively, and the lifting rings of the hoisting sections are installed on the fixed rings. During the lifting process of the cable crane, the two ends of the arch rib can be lifted at the same time by the two ends of the sling, so that the arch rib is separated from the deck or the ground. At the same time, with the cooperation of the driving member, the slider can be driven to slide along the channel of the bearing frame, so that the position of the sling in the bearing frame can be changed by the slider, and then the length of the sling extending out of the two ends of the bearing frame can be changed. During the lifting process of the cable crane, the inclination angle of the arch rib can be adjusted by the synchronous movement of the driving member, which reduces the complexity of the pre-construction operations and improves the work efficiency. In addition, the arch rib can be adjusted by one driving member, which reduces the cost.

[0007] Preferably, the driving member is a driving jack, the bearing frame is provided with a mounting groove, the driving jack is arranged in the mounting groove, and the telescopic end of the driving jack extends along the bearing frame channel and is fixedly connected to the slider.

[0008] Preferably, protrusions are fixedly provided at both ends of the support frame, the protrusions are rotatably provided with first guide wheels, and the sling is arranged in the outer circular groove of the first guide wheel.

[0009] Preferably, it also includes two slides, and a limiting groove is provided on the side of the support frame along its length direction. The slide is slidably engaged in the limiting groove, and a guide seat is provided at the bottom end of the slide. The lifting section of the sling is passed through the guide seat. A transmission member is also provided at the bottom end of the support frame, and the transmission member is connected between the two slides for controlling the distance between the two slides.

[0010] Preferably, the transmission member is a bidirectional jack, a fixed seat is provided at the bottom end of the carrier frame, the bidirectional jack is arranged on the fixed seat, and two telescopic ends of the bidirectional jack are respectively connected to two sliding seats.

[0011] Preferably, the guide seat is rotatably provided with a second guide wheel, and the hoisting section of the sling is arranged in the outer circular groove of the second guide wheel.

[0012] Preferably, a slide groove is provided on the inner side of the support frame channel, and the slider is slidably arranged in the slide groove.

[0013] Preferably, both mounting seats are fixed with hanging rings.

[0014] According to an embodiment of the present invention, a basket arch installation method includes a basket arch installation hanger, and further includes the following steps: S1: According to the construction requirements, use simulation software to simulate the arch ribs before construction to determine the requirements for the arch rib installation inclination angle; S2: Install the lifting hook of the cable crane on the two lifting parts of the load-bearing frame, keep the load-bearing frame horizontal, install the lifting cables extending from both ends of the load-bearing frame to the fixing rings of the arch ribs through the hooks provided thereon, and lift the arch ribs by the cable crane; S3: according to the arch rib installation inclination angle requirement, the driving member is started to change the position of the slider on the bearing frame, so that the two ends of the arch rib are respectively lifted and lowered through the two lifting sections of the sling until the arch rib meets the installation requirement; S4: The cable crane continues to lift and transport the arch rib to the designated installation location until the arch rib is installed and the connection between the hook and the fixing ring is released; S5: Repeat S2-S4 to complete the installation of all arch ribs.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The installation inclination requirements of the arch rib are determined in advance through simulation software, ensuring that operations can be carried out in accordance with precise design parameters in actual construction. At the same time, the position of the slider is adjusted by using the drive part to control the length of the sling, thereby achieving precise lifting and lowering of both ends of the arch rib, allowing the arch rib to quickly reach the required installation angle, reducing the time cost of repeated adjustments and greatly improving construction efficiency.

[0016] Preferably, in S2, before the hook is connected to the fixing ring, the lengths of the two lifting sections of the sling are ensured to be equal. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of using a hoist to hoist the arch rib in an embodiment of the present invention.

[0019] Figure 2 It is a structural schematic diagram of using two hoists to hoist the arch rib in an embodiment of the present invention.

[0020] Figure 3 It is a structural schematic diagram of using four hoists to hoist the arch rib in an embodiment of the present invention.

[0021] Figure 4 It is a schematic diagram of the structure before the hoist lifts the arch rib in an embodiment of the present invention.

[0022] Figure 5 It is a schematic diagram of the structure after the arch rib is lifted by the lifting device in the embodiment of the present invention.

[0023] Figure 6 Schematic diagram of the cross-sectional structure of the carrier frame in an embodiment of the present invention.

[0024] In the figure: 1. Arch rib; 101. Fixed ring; 2. Carrying frame; 201. Mounting seat; 202. Limiting groove; 203. Fixed seat; 204. Bump; 205. Slide groove; 206. Mounting groove; 3. Lifting rope; 301. Hook; 4. Lifting ring; 5. Bidirectional jack; 6. First guide wheel; 7. Slide seat; 701. Guide seat; 702. Second guide wheel; 8. Driving jack; 9. Sliding block; 901. Connecting block.

[0025] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0026] It should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connect", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0028] like Figures 1 to 6 As shown, the embodiment of the present invention provides a basket arch installation hanger, which is used to connect the fixing ring 101 of the arch rib 1, including: The carrier frame 2 has a passage running through both ends thereof, and mounting seats 201 are provided at both ends of the passage, so that both ends of the passage form a hoisting portion for hoisting the carrier frame 2; The sling 3 is arranged in the passage of the carrier 2, and the two ends of the sling 3 extend out of the two ends of the carrier 2 to form a lifting section, and the two lifting sections are fixed with a hook 301, and the hook 301 is connected to the corresponding fixing ring 101; The adjusting unit includes a slider 9 slidably arranged in the channel of the carrier frame 2 and a driving member arranged in the channel of the carrier frame 2, the driving member is connected to the slider 9, the slider 9 is provided with a connecting block 901, and the sling 3 is fixedly connected to the connecting block 901; When the driving member causes the slider 9 to slide along the channel of the carrier frame 2 , the sling 3 is caused to slide synchronously with the slider 9 to change the lengths of the two lifting sections and adjust the inclination angle of the arch rib 1 .

[0029] In an embodiment of the present invention, the arch rib 1 is placed on the deck of a transport ship or on the shore of a construction site before construction. After the cable crane and other equipment are installed before construction, the sling of the cable crane is installed on the lifting parts at both ends of the load-bearing frame 2. When the cable crane is lifted up, the load-bearing frame 2 is lifted up at the same time. During the lifting process of the load-bearing frame 2, the load-bearing frame 2 is ensured to always remain horizontal based on the center of the load-bearing frame 2. When the supporting frame 2 is moved to the position of the arch rib by a cable hoist, the slider 9 in the adjustment unit is in the initial position, that is, the lengths of the two ends of the sling 3 extending out of the supporting frame 2 are the same. At the same time, according to the simulated lofting of the arch rib, the installation inclination angle of the arch rib and the center and center position of the arch rib 1 itself are determined, so that the corresponding two fixing rings 101 are pre-embedded to the two ends of the arch rib, and the hooks 301 at the two ends of the sling 3 are installed in the corresponding two fixing rings 101 to realize the connection between the sling 3 and the arch rib 1. The hook 301 adopts a conventional detachable structure, and the connection and disassembly of the hook 301 and the fixing ring 101 can be completed by pressing to open the opening of the hook 301 or by screwing to open and close the opening of the hook 301.

[0030] When preparing to lift, Figure 4 As shown, the two hoisting sections of the sling 3 are in a straightened state. The two hoisting sections of the sling 3 are respectively H1 and H2 in length. When the length H1 is equal to the length H2, when the cable is controlled to be lifted again, the driving member in the adjustment unit can be moved synchronously to allow the slider 9 to slide along the channel of the carrier frame 2. Since the arch rib 1 is vacant at this time, the two hoisting sections will be affected by the gravity of the arch rib 1. When the slider 9 drives the sling 3 to move on the carrier frame 2, as shown in FIG. Figure 5 As shown, the left end hoisting section of the sling 3 will be stretched by gravity, and the right end hoisting section will be shortened by the pulling force of the slider 9, so that H1>H2, the hoisting sections at both ends move synchronously, and the arch rib 1 rotates at point A, so as to adjust the inclination angle of the arch rib 1 until the specified inclination angle α is reached, and the adjustment of the slider 9 can be stopped to ensure that the angle of the arch rib 1 can continue to be lifted to the specified installation position. There is no need to continue to adjust the arch rib at high altitude, and no manual intervention is required. Moreover, when a sling 3 is used for synchronous adjustment at both ends, the adjustment stroke is shorter and the time spent is less, further reducing the entire construction period. Among them, the movement and stopping of the slider 9 are all carried out by the driving member, which can be electric, hydraulic, oil pressure telescopic control, or screw control.

[0031] In order to ensure the stability of the arch rib 1 during lifting, two lifting devices can be placed at intervals on both sides of the arch rib 1, and four fixing rings 101 can be pre-installed on the arch rib 1 to increase the contact area of ​​its lifting. The adjustment units of the two lifting devices can be adjusted synchronously to ensure the stability of the transportation, adjustment and installation of the arch rib 1.

[0032] Since in the construction of some bridges with shapes, it is necessary to avoid that the arch rib 1 has not only an inclination in the length direction, but also a deflection in the width direction, such as Figure 3 As shown, when the height of the cable hanger is consistent, two hangers can be used to hang the arch rib 1 according to the above method, and the inclination angle of the arch rib 1 can be adjusted, and then two hangers are selected to be located on the top of the already working hanger and are perpendicular to the already working hanger, wherein the two hangers are located in the L2 area, and the two hangers are located in the L1 area. The two hangers in the L1 area are connected to the cable hanger and ensure parallelism and equal height. The two hangers in the L2 area are connected between the arch rib 1 and the hangers in the L1 area. The two hangers in the L1 area are adjusted synchronously. When the sling 3 of the hanger in the L1 area is moved and adjusted, the height of the two hangers in the L2 area is conveniently deviated, so that the arch rib 1 is deflected to the side, thereby realizing the deflection adjustment of the arch rib 1, so that this solution has more usage scenarios and is more versatile.

[0033] Specifically, Figure 6 As shown, the driving member is a driving jack 8 , the support frame 2 is provided with a mounting groove 206 , the driving jack 8 is arranged in the mounting groove 206 , and the telescopic end of the driving jack 8 extends along the channel of the support frame 2 and is fixedly connected to the slider 9 .

[0034] In order to simplify the structure and achieve the same adjustment work, the driving component is a driving jack 8, which is horizontally installed in the mounting groove 206, and the telescopic end of the driving jack 8 is fixedly connected to the slider 9. By providing stable linear motion to the slider 9 through the driving jack 8, the position of the slider 9 can be accurately controlled, so that the length adjustment of the sling 3 is more accurate, thereby improving the accuracy of the inclination adjustment of the arch rib 1. At the same time, the driving jack 8 is set in the mounting groove 206 of the support frame 2, which not only saves space but also ensures the compactness and aesthetics of the overall structure.

[0035] like Figure 4 As shown, both ends of the carrier frame 2 are fixed with a protrusion 204, the protrusion 204 is rotatably provided with a first guide wheel 6, and the sling 3 is arranged in the outer circular groove of the first guide wheel 6; under the action of the first guide wheel 6, the part of the sling 3 extending out of the carrier frame 2 is wound around the first guide wheel 6, thereby reducing the direct friction between the sling 3 and the carrier frame 2, reducing the wear rate of the sling 3, and reducing the heat generated by friction. At the same time, the first guide wheel 6 ensures that the sling 3 maintains the correct path during the sliding process, avoiding the risk of the sling 3 being deviated or entangled.

[0036] Based on the above scheme, Figure 4As shown, it also includes two slides 7. A limiting groove 202 is provided on the side of the support frame 2 along its length direction. The slide 7 is slidably engaged in the limiting groove 202. A guide seat 701 is provided at the bottom end of the slide 7. The lifting section of the sling 3 is passed through the guide seat 701. A transmission member is also provided at the bottom end of the support frame 2. The transmission member is connected between the two slides 7 and is used to control the distance between the two slides 7.

[0037] When installing the sling 3, when the sling 3 is wrapped around the first guide wheel 6, the sling 3 passes through the bottom of the first guide wheel 6 and is placed on the guide seat 701, so that the sling 3 passes through the guide seat 701 and then moves vertically downward. When the transmission part moves, it can synchronously push the two slides 7 to slide on the carrier 2, and make the two slides 7 approach or move away from each other, thereby changing the position of the two hooks 301, which is suitable for lifting arch ribs 1 of different lengths and increases applicability.

[0038] Specifically, the transmission member is a bidirectional jack 5, a fixed seat 203 is provided at the bottom end of the carrier frame 2, the bidirectional jack 5 is arranged on the fixed seat 203, and the two telescopic ends of the bidirectional jack 5 are respectively connected with the two slides 7; the bidirectional jack 5 is installed on the fixed seat 203 at the bottom end of the carrier frame 2, and the two slides 7 are respectively connected to the two telescopic ends of the bidirectional jack 5. When the bidirectional jack 5 is working, the two slides 7 can be synchronously driven to move closer and farther from each other. When the bidirectional jack 5 stops, the slide 7 can be stopped.

[0039] Specifically, Figure 4 As shown, the guide seat 701 is rotatably provided with a second guide wheel 702, and the hoisting section of the sling 3 is arranged in the outer circular groove of the second guide wheel 702; the outer circular groove of the second guide wheel 702 can effectively guide and support the sling 3, reducing the direct friction between the sling 3 and the guide seat 701, thereby extending the service life of the sling 3.

[0040] Specifically, Figure 6 As shown, a slide groove 205 is opened on the inner side of the channel of the carrier frame 2, and the slider 9 is slidably arranged in the slide groove 205; the slider 9 is limited by the slide groove 205, and a precise guide path is provided for the slider 9, thereby ensuring the linearity and stability of the slider 9 during the movement process, and at the same time, the slider 9 is supported to ensure that the driving jack 8 will not be subjected to excessive radial force, thereby improving the service life of the driving jack 8.

[0041] Specifically, Figure 1 As shown, both mounting seats 201 are fixedly provided with lifting rings 4 ; the lifting rings 4 provide standardized connection points so that the lifting hook of the cable crane can be conveniently connected to the supporting frame 2 .

[0042] The embodiment of the present invention further provides a basket arch installation method, including the above-mentioned basket arch installation hanger, and further comprising the following steps: S1: According to the construction requirements, the arch rib 1 is simulated and set out using simulation software before construction to determine the installation inclination angle requirements of the arch rib 1; S2: Install the lifting hook of the cable crane on the two lifting parts of the carrier frame 2, and keep the carrier frame 2 horizontal. Install the sling 3 extending from the two ends of the carrier frame 2 to the fixing ring 101 of the arch rib 1 through the hooks 301 provided thereon, and lift the arch rib 1 by the cable crane; S3: according to the installation inclination angle requirement of the arch rib 1, the driving member is started to change the position of the slider 9 on the carrier 2, so that the two ends of the arch rib 1 are respectively lifted and lowered through the two lifting sections of the sling 3 until the arch rib 1 meets the installation requirement; S4: the cable crane continues to lift and transport the arch rib 1 to the designated installation location until the arch rib 1 is installed and the connection between the hook 301 and the fixing ring 101 is released; S5: Repeat S2-S4 to complete the installation of all arch ribs 1.

[0043] Specifically, in S2, before the hook 301 is connected to the fixing ring 101, the lengths of the two lifting sections of the sling 3 are ensured to be equal, so as to ensure that after the arch rib 1 is lifted, the arch rib 1 is in a horizontally stable state.

[0044] In the above steps, the installation inclination angle requirements of the arch rib 1 are predetermined by the simulation software, ensuring that the operation can be performed according to the precise design parameters in the actual construction. At the same time, the position of the slider is adjusted by the driving member to control the length of the sling 3, thereby realizing the precise lifting and lowering of the two ends of the arch rib 1, so that the arch rib 1 can quickly reach the required installation angle, reducing the time cost of repeated adjustments and improving the construction efficiency. Moreover, the synchronous lowering and lifting of the arch rib 1 can significantly reduce the adjustment time and greatly improve the efficiency.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A basket arch mounting hanger, used for connecting a fixing ring (101) of an arch rib (1), characterized in that: include: The support frame (2) has a passage running through both ends thereof, and mounting seats (201) are provided at both ends of the passage, so that the two ends of the passage form a hoisting portion for hoisting the support frame (2); A sling (3) is arranged in the passage of the bearing frame (2), and two ends of the sling (3) respectively extend out of two ends of the bearing frame (2) to form a lifting section, and both lifting sections are fixedly provided with a lifting hook (301), and the lifting hook (301) is connected to the corresponding fixing ring (101); The adjusting unit comprises a slider (9) slidably arranged in the channel of the carrier (2) and a driving member arranged in the channel of the carrier (2), the driving member being connected to the slider (9), the slider (9) being provided with a connecting block (901), and the sling (3) being fixedly connected to the connecting block (901); When the driving member causes the slider (9) to slide along the channel of the support frame (2), the sling (3) follows the slider (9) to slide synchronously, so as to change the length of the two lifting sections and adjust the inclination angle of the arch rib (1).

2. A basket arch mounting hanger according to claim 1, characterized in that: The driving member is a driving jack (8), the support frame (2) is provided with a mounting groove (206), the driving jack (8) is arranged in the mounting groove (206), and the telescopic end of the driving jack (8) extends along the channel of the support frame (2) and is fixedly connected to the slider (9).

3. A basket arch installation hanger according to claim 1, characterized in that: Both ends of the support frame (2) are fixedly provided with protrusions (204), the protrusions (204) are rotatably provided with first guide wheels (6), and the sling (3) is arranged in an outer circular groove of the first guide wheel (6).

4. A basket arch mounting hanger according to claim 1, characterized in that: The bearing frame (2) further comprises two slide seats (7), a side surface of the bearing frame (2) being provided with a limiting groove (202) along its length direction, the slide seat (7) being slidably engaged in the limiting groove (202), a guide seat (701) being provided at the bottom end of the slide seat (7), a hoisting section of the sling (3) being passed through the guide seat (701), and a transmission member being provided at the bottom end of the bearing frame (2), the transmission member being connected between the two slide seats (7) and being used for controlling the distance between the two slide seats (7).

5. A basket arch mounting hanger according to claim 4, characterized in that: The transmission member is a bidirectional jack (5), a fixing seat (203) is provided at the bottom end of the support frame (2), the bidirectional jack (5) is arranged on the fixing seat (203), and two telescopic ends of the bidirectional jack (5) are respectively connected to the two sliding seats (7).

6. A basket arch mounting hanger according to claim 4, characterized in that: The guide seat (701) is rotatably provided with a second guide wheel (702), and the hoisting section of the sling (3) is arranged in an outer circular groove of the second guide wheel (702).

7. A basket arch mounting hanger according to claim 1, characterized in that: A slide groove (205) is provided on the inner side of the channel of the carrier frame (2), and the sliding block (9) is slidably arranged in the slide groove (205).

8. The basket arch mounting hanger according to claim 1, characterized in that: The two mounting seats (201) are both fixedly provided with a lifting ring (4).

9. A method for installing a basket arch, characterized in that: comprising a basket arch mounting hanger according to any one of claims 1 to 8, and further comprising: The following steps are involved: S1: According to the construction requirements, the arch rib (1) is simulated and laid out using simulation software before construction to determine the installation inclination angle requirements of the arch rib (1); S2: Install the lifting hook of the cable crane on the two lifting parts of the load-bearing frame (2), keep the load-bearing frame (2) horizontal, install the lifting rope (3) extending from the two ends of the load-bearing frame (2) on the fixing ring (101) of the arch rib (1) through the hook (301) provided thereon, and lift the arch rib (1) by the cable crane; S3: according to the installation inclination angle requirement of the arch rib (1), the driving member is started to change the position of the slider (9) on the support frame (2), so that the two ends of the arch rib (1) are respectively lifted and lowered through the two lifting sections of the sling (3) until the arch rib (1) meets the installation requirement; S4: the cable crane continues to lift and transport the arch rib (1) to a designated installation location, and after the arch rib (1) is installed, the connection between the hook (301) and the fixing ring (101) is released; S5: Repeat S2-S4 to complete the installation of all arch ribs (1).

10. A method for installing a basket arch according to claim 9, characterized in that: In S2, before the hook (301) is connected to the fixing ring (101), the lengths of the two lifting sections of the sling (3) are ensured to be equal.

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