Novel active protection device of suspended existing structure

Abstract

The novel active protection device of the suspended existing structure comprises a truss mechanism, a steel rope assembly, a driving mechanism and a horse stool mechanism, the truss mechanism stretches across a groove, the span can be adjusted through an adjusting module, a fixed plate and a movable plate are arranged at the two ends of the truss mechanism, and the horse stool mechanism is arranged in the groove; the height of the supporting table is adjusted through the lifting mechanism to bear a protected structure, the steel rope assembly is rapidly connected with the horse stool mechanism through a rapid connection groove and a locking part, the other end of the steel rope assembly is connected with a fixed plate and a movable plate of the truss mechanism through a steel wire rope clamp, the driving mechanism pushes the movable plate to move, and pre-jacking force is applied to the horse stool mechanism through the steel rope assembly. And the protected structure is converted into an active pressure bearing state from a passive suspension state. The device has the characteristics of being excellent in supporting effect, high in use flexibility, capable of being quickly connected and fixed and capable of reducing field installation time.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of construction protection devices, in particular to a novel active protection device for suspended existing structures. BACKGROUND

[0002] In the field of municipal engineering and pipeline laying, temporary support and protection of existing pipelines or other suspended structures in excavated trenches are often required to prevent them from settling, displacing or being damaged due to the excavation of the underlying earthwork or external loads. The traditional support method is to place H-shaped steel horizontally across the trench and then use steel wire ropes to hoist the pipelines. For example, a protection device for suspended pipelines is disclosed in the authorized publication CN219413746U. However, this type of passive support method has the following problems: the support strength is difficult to accurately control, the installation and disassembly efficiency is low, and it is difficult to adapt to different trench widths and changes in pipeline elevation. In particular, in working conditions where it is necessary to actively apply pre-tightening force to provide continuous and stable support, this passive support method often falls short, and the support effect easily decays with changes in working conditions, posing a safety hazard. SUMMARY

[0003] In view of the above-mentioned deficiencies in the prior art, the present application aims to provide an active protection device that has excellent support effect on existing structures, is highly flexible in use, can be quickly connected and fixed, and reduces the on-site installation time.

[0004] The technical solution adopted by the present application to achieve the above-mentioned purpose is as follows: a novel active protection device for suspended existing structures, comprising a truss mechanism, a steel rope assembly, a driving mechanism and a horse stool mechanism, one end of the truss mechanism is fixedly connected with a fixed plate, the fixed plate is fixedly connected with the driving mechanism, and the driving end of the driving mechanism is fixedly connected with a movable plate. The bottom of the truss mechanism is provided with two groups of horse stool mechanisms, and each group of horse stool mechanisms is fixedly connected with two groups of steel rope assemblies. One group of steel rope assemblies of one group of horse stool mechanisms is fixedly connected with the fixed plate located at one end of the truss mechanism, and the other group of steel rope assemblies is fixedly connected with the movable plate located at the other end of the truss mechanism. One group of steel rope assemblies of the other group of horse stool mechanisms is fixedly connected with the other fixed plate, and the other group of steel rope assemblies is fixedly connected with the other movable plate.

[0005] In the above technical solution, the truss mechanism adopts the following structure: The truss mechanism comprises a truss body, an adjusting frame and an adjusting module, both ends of the truss body are slidably connected with the adjusting frame, and the truss body is provided with the adjusting module. The adjusting module comprises two groups of connecting frames that can move away from or towards each other, and the connecting frames are fixedly connected with the adjacent adjusting frames. The end of each group of the adjusting frame is fixedly connected with the fixed plate; Further, the specific structure of the adjusting module is as follows: The adjusting module further comprises a first screw rod, a second screw rod and a connecting shaft, each group of the connecting frame is fixedly connected with a moving table, the first screw rod is threadedly connected to one group of the moving tables, the second screw rod is threadedly connected to the other group of the moving tables, the first screw rod and the second screw rod are fixedly connected through the connecting shaft between the adjacent ends of the first screw rod and the second screw rod, the connecting shaft is fixedly connected with a first worm wheel, the truss body is rotatably connected with a first worm, the first worm is meshingly connected with the first worm wheel, and the first worm is fixedly connected with a first rotating disc.

[0006] In the above technical solution, the specific structure of the horse stool mechanism is as follows: The horse stool mechanism comprises a supporting main frame, a lifting mechanism and a supporting table, the supporting main frame is provided with the lifting mechanism, the lifting mechanism comprises a driving table capable of moving up and down, and the driving table is fixedly connected with the supporting table; The steel rope assembly is fixedly connected with the supporting main frame; Further, the lifting mechanism adopts the following structure: The lifting mechanism further comprises a guide column, a third screw rod, a second worm and a second worm wheel, the supporting main frame is fixedly connected with the guide column, the driving table is slidably connected to the guide column, the third screw rod is threadedly connected to the driving table, one end of the third screw rod is fixedly connected with a transmission shaft, the transmission shaft is fixedly connected with the second worm wheel, the supporting main frame is rotatably connected with the second worm, the second worm is meshingly connected with the second worm wheel, and the second worm is fixedly connected with a second rotating disc.

[0007] In the above technical solution, the structure of the steel rope assembly is as follows: The steel rope assembly comprises a steel wire rope, a steel wire rope clamp and a connecting piece, one end of the steel wire rope is fixedly connected to the connecting piece, and the steel wire rope clamp is connected to the other end of the steel wire rope; At this time, the connecting piece is fixedly connected with the supporting main frame; In addition, the movable plate and the moving plate are both provided with rope holes, the steel wire rope passes through the rope holes, and the steel wire rope clamp abuts against the movable plate and the moving plate, so that the movement of the steel wire rope is limited.

[0008] In the above technical solution, in order to facilitate the installation of the steel rope assembly, the bottom of the supporting main frame is provided with a base, both sides of the base are provided with quick-connection grooves, one end of the quick-connection groove is a closed end, and the other end is an open end; The connecting piece is slidably installed in the quick connection groove through the open end, and the base is provided with a locking component, which closes the open end of the quick connection groove, so that the connecting piece cannot be pulled out of the quick connection groove; Further, the locking component comprises a guide rail, a closing table, a traction arm and a cam piece, one side of the base at the open end is fixedly connected with the guide rail, the closing table is slidably connected on the guide rail, the cam piece is rotatably connected between the two closing tables through a rotating shaft, the eccentric shaft is fixedly connected on both sides of the rotating shaft of the cam piece, and the traction arm is rotatably connected on each closing table, and the other end of each traction arm is rotatably connected with the adjacent eccentric shaft. The rotating shaft is fixedly connected with a third worm wheel, the base is rotatably connected with a third worm, the third worm is meshed and connected with the third worm wheel, and the third worm is fixedly connected with a third rotating disc.

[0009] In the above technical solution, in order to improve the stability of the truss mechanism, a stabilizing table is fixedly connected on the fixed plate, the stabilizing table is provided with a fixing hole, and the stabilizing table is matched with a ground anchor. Further, in order to improve the movement stability of the movable plate, a sliding column is fixedly connected on the movable plate, and the fixed plate is provided with a sliding hole, and the sliding column passes through the sliding hole.

[0010] In the above technical solution, the driving mechanism adopts a jack.

[0011] The beneficial effects of the present application are as follows: 1. The truss mechanism can be placed in the trench for construction, the steel rope mechanism is connected with the truss mechanism and the horse stool mechanism, the horse stool mechanism supports the existing structure (such as a pipeline) in the trench, the driving mechanism drives the movable plate to move outward, so that the movable plate pulls the steel rope assembly, the force is transmitted to the horse stool mechanism, and the horse stool mechanism applies a jacking force to the existing structure. Such structure has excellent support effect on the existing structure, and when the support degree is reduced, the driving mechanism can supplement the tension of the steel rope assembly; 2. In the truss mechanism, the synchronous extension of the two end adjusting frames is realized through the adjusting module, so as to adjust the length of the truss mechanism. This can adapt to trenches of different widths, has strong applicability and flexible installation; 3. In the horse stool mechanism, the height of the supporting table can be adjusted through the lifting mechanism, so that the supporting table fully abuts against the existing structure, and the support effect of the horse stool mechanism on the existing structure is ensured; 4. In the steel rope assembly, one end of the steel wire rope is inserted and connected with the base through the connecting piece, and then the connecting piece is limited by the locking part, and the other end of the steel wire rope passes through the fixed plate or the movable plate, according to the required length of the steel wire rope, the steel wire clamp is installed on the steel wire rope, and the movement of the steel wire rope is limited by the steel wire clamp, so that the truss mechanism, the horse stool mechanism and the steel rope mechanism can be quickly connected and fixed, and the on-site installation time is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the application; Figure 2 It is a structural schematic diagram of the application from another angle; Figure 3 It is a structural schematic diagram of the application from another angle; Figure 2 It is a structural schematic diagram of the application from another angle; Figure 4 It is a structural schematic diagram of the application from another angle; Figure 5 It is a structural schematic diagram of the application from another angle; Figure 4 It is a structural schematic diagram of the application from another angle; Figure 6 It is a structural schematic diagram of the application from another angle; Figure 4 It is a structural schematic diagram of the application from another angle; Figure 7 It is a structural schematic diagram of the application from another angle; Figure 8 It is a structural schematic diagram of the application from another angle; Figure 9 It is a structural schematic diagram of the application from another angle; Figure 10 It is a structural schematic diagram of the application from another angle;

[0013] In the drawing: 100 truss mechanism, 101 truss body, 102 adjusting frame, 103 adjusting module, 1031 connecting frame, 1032 first lead screw, 1033 second lead screw, 1034 connecting shaft, 1035 movement table, 1036 first worm gear, 1037 first worm, 1038 first rotary disc, 104 fixed plate, 105 stable table, 106 movable plate, 107 sliding column, 108 rope hole; 200 steel rope assembly, 201 steel wire rope, 202 steel wire rope clamp, 203 connecting piece; 300 driving mechanism; 400 horse stool mechanism, 401 supporting main frame, 4011 base, 4012 quick connection groove, 402 lifting mechanism, 4021 driving table, 4022 guide column, 4023 third lead screw, 4024 second worm, 4025 second worm gear, 4026 transmission shaft, 4027 second rotary disc, 403 supporting table; 500 locking component, 501 guide rail, 502 closing platform, 503 traction arm, 504 cam member, 505 rotating shaft, 506 eccentric shaft, 507 third worm wheel, 508 third worm, 509 third turntable. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort fall within the protection scope of the present application.

[0015] Please refer to Figures 1-10 A new active protection device for a suspended existing structure mainly comprises a truss mechanism 100, a steel rope assembly 200, a driving mechanism 300 and a horse stool mechanism 400. The truss mechanism 100 serves as a force-bearing main body of the whole device and spans above a construction trench. The mechanism comprises a truss main body 101, an adjusting frame 102 and an adjusting module 103. The truss main body 101 is welded by two parallel H-shaped steels and a large number of steel pipes connected between the two H-shaped steels, forming a stable space truss structure. The adjusting frame 102 is slidingly connected to both ends of the truss main body 101. The two adjusting frames 102 can be controlled to synchronously extend or retract by the adjusting module 103, so as to adjust the span of the whole truss mechanism 100 to adapt to trenches of different widths. Specifically, please refer to Figure 4 、 Figure 5 The adjusting module 103 comprises a connecting frame 1031, a first lead screw 1032, a second lead screw 1033, a connecting shaft 1034, a moving table 1035, a first worm wheel 1036 and a first worm 1037. Each adjusting frame 102 is fixedly connected with a connecting frame 1031. The connecting frame 1031 is fixedly connected with the moving table 1035. The first lead screw 1032 and the second lead screw 1033 are threadedly connected with the two moving tables 1035, respectively. The proximal ends of the first lead screw 1032 and the second lead screw 1033 are fixedly connected by the connecting shaft 1034. The first worm wheel 1036 is fixedly installed on the connecting shaft 1034. The first worm 1037 is rotatably connected to the truss main body 101. The first worm 1037 is meshingly connected with the first worm wheel 1036. The end of the first worm 1037 is fixedly connected with the first turntable 1038. By rotating the first turntable 1038, the first worm 1037 is driven to rotate, and then the first worm wheel 1036 and the connecting shaft 1034 are driven to rotate, so that the first lead screw 1032 and the second lead screw 1033 are synchronously rotated, and the synchronous extension and retraction of the two adjusting frames 102 are realized. In addition, the end of each adjusting frame 102 is fixedly connected with a fixed plate 104, and a stable table 105 is further fixedly connected to the fixed plate 104 for further enhancing stability, and the stable table 105 is provided with a fixing hole, and the whole truss mechanism 100 can be fixedly connected to the ground through a ground nail; In addition, the driving mechanism 300 is fixedly installed on the fixed plate 104, and a hydraulic jack is adopted, and the driving end (i.e. the piston rod end of the jack) of the driving mechanism 300 is fixedly connected with a movable plate 106, and a sliding column 107 is fixedly connected to the movable plate 106 for ensuring the stability of the movable plate 106 during movement, and the fixed plate 104 is provided with a corresponding sliding hole, and the sliding column 107 passes through the sliding hole to form a guide structure; In addition, please refer to Figure 7 Two groups of horse stool mechanisms 400 are arranged in the groove and are used for directly supporting the protected suspended structure, each group of horse stool mechanisms 400 comprises a support main frame 401, a lifting mechanism 402 and a support table 403, the support main frame 401 is welded by profile steel and forms a stable support frame, the lifting mechanism 402 is arranged on the support main frame 401 and comprises a driving table 4021 capable of moving up and down, the support table 403 is fixedly connected to the driving table 4021, and the support table 403 directly contacts the protected structure; Specifically, the lifting mechanism 402 comprises a guide column 4022, a third lead screw 4023, a second worm 4024 and a second worm wheel 4025, i.e. the guide column 4022 is fixedly connected to the support main frame 401, the driving table 4021 is slidably connected to the guide column 4022, the third lead screw 4023 is threadedly connected to the driving table 4021, one end of the third lead screw 4023 is fixedly connected with a transmission shaft 4026, the second worm wheel 4025 is fixedly connected to the transmission shaft 4026, the second worm 4024 is rotatably connected to the support main frame 401, the second worm 4024 is in meshing connection with the second worm wheel 4025, and the second rotary disc 4027 is fixedly connected to the second worm 4024; The second rotary disc 4027 is rotated to drive the second worm 4024 to rotate, then the second worm wheel 4025 and the transmission shaft 4026 are rotated, so that the third lead screw 4023 is rotated, and finally the driving table 4021 is lifted along the guide column 4022, thereby realizing height adjustment of the support table 403; In addition, please refer to Figure 7 , Figure 8The steel rope assembly 200 is a part connecting each component and transmitting pre-tightening force. Each steel rope assembly 200 includes a steel wire rope 201, a steel wire rope clamp 202 and a connecting piece 203. The bottom of the support frame 401 is provided with a base 4011. Both sides of the base 4011 are provided with quick-connection grooves 4012. One end of the quick-connection groove 4012 is a closed end, and the other end is an open end. The connecting piece 203 can be slidably installed in the quick-connection groove 4012. Specifically, the quick-connection groove 4012 and the connecting piece 203 can adopt a T-shaped structure. The base 4011 is provided with a locking component 500 for closing the open end of the quick-connection groove 4012 to prevent the connecting piece 203 from being pulled out of the quick-connection groove 4012. Specifically, referring to Figure 9 、 Figure 10 The locking component 500 includes a guide rail 501, a closing table 502, a traction arm 503 and a cam piece 504. The guide rail 501 is fixedly connected to one side of the base 4011 at the open end. The closing table 502 is slidably connected to the guide rail 501. The cam piece 504 is rotatably connected to the closing table 502 between the two closing tables 502 through a rotating shaft 505. The eccentric shaft 506 is fixedly connected to both sides of the rotating shaft 505 of the cam piece 504. The traction arm 503 is rotatably connected to each closing table 502. The other end of the traction arm 503 is rotatably connected to the corresponding eccentric shaft 506. The third worm gear 507 is fixedly connected to the rotating shaft 505. The third worm 508 is rotatably connected to the base 4011. The third worm 508 is meshingly connected to the third worm gear 507. The third turntable 509 is fixedly connected to the third worm 508. The third turntable 509 is rotated to drive the third worm 508 to rotate, and then drive the third worm gear 507 and the rotating shaft 505 to rotate, so that the cam piece 504 rotates. The closing table 502 is driven by the eccentric shaft 506 and the traction arm 503 to slide along the guide rail 501, so as to open and close the open end of the quick-connection groove 4012. Finally, referring to Figure 1 、 Figure 2 The connection mode between the horse stool mechanism 400, the steel rope mechanism and the truss mechanism 100 is that one set of steel rope assemblies 200 of one set of horse stool mechanisms 400 is fixedly connected to the fixed plate 104 at one end of the truss mechanism 100, and the other set of steel rope assemblies 200 is fixedly connected to the movable plate 106 at the other end. Another set of steel rope assemblies 200 of another set of horse stool mechanisms 400 is fixedly connected to the other fixed plate 104, and the other set of steel rope assemblies 200 is fixedly connected to the other movable plate 106. Specifically, referring to Figure 3 、 Figure 6One end of the steel wire rope 201 is connected with the base 4011 of the horse stool mechanism 400 through the connecting piece 203, and the other end is sequentially threaded through the rope hole 108 arranged on the fixed plate 104 or the movable plate 106, and according to the actual tension length required, the steel wire rope clamp 202 is installed at the appropriate position of the steel wire rope 201, and the steel wire rope clamp 202 will be in contact with the outer surface of the fixed plate 104 or the movable plate 106, so as to realize the movement limiting of the steel wire rope 201.

[0016] The working process of the device is as follows: Firstly, according to the actual width of the groove, the span of the truss mechanism 100 is adjusted by rotating the first rotating disc 1038 to adapt to the size of the groove, and the adjusted truss mechanism 100 is hoisted above the groove and fixed to the ground through the stable table 105 and ground nails; Subsequently, the two groups of horse stool mechanisms 400 are placed below the protected structure in the groove, then the connection of the steel rope assembly 200 is carried out, the connecting piece 203 at one end of the steel wire rope 201 is slid into the quick connection groove 4012 of the base 4011 of the horse stool mechanism 400 through the open end, the third rotating disc 509 is rotated to drive the locking part 500 to lock the connecting piece 203, the other end of the steel wire rope 201 is threaded through the corresponding rope hole 108 of the fixed plate 104 and the movable plate 106 at both ends of the truss, and according to the preliminary required slackness, the steel wire rope clamp 202 is installed on the steel wire rope 201 for limiting, at this time, the support table 403 preliminarily contacts the bottom of the existing structure (pipeline), and the height of the support table 403 can be adjusted by rotating the second rotating disc 4027, so that the support table 403 fully contacts the existing structure; The driving mechanism 300 (jack) is started to push the movable plate 106 to move outward, the movement of the movable plate 106 will pull the steel wire rope 201 connected therewith, and the force is transmitted to the horse stool mechanism 400 through the steel rope assembly 200, so as to exert a upward pre-tensioning force on the protected structure, which changes the traditional passive suspension stress state of the protected existing structure into an active multi-point pressure bearing state, greatly improving the stress performance thereof; In the subsequent construction process, the pre-tensioning force can be supplemented at any time through the driving mechanism 300, so as to ensure that the protection effect is continuous and effective, and the whole device forms a complete active protection system, which can effectively prevent the deformation and damage of the suspended structure and ensure the construction safety.

[0017] It will be obvious to a person skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments and can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims to the identity of the reference signs therein.

[0018] Furthermore, it should be understood that although the description is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A novel active protection device for an existing suspended structure, comprising a truss mechanism (100), a steel cable assembly (200), a drive mechanism (300), and a trestle mechanism (400), characterized in that: One end of each truss mechanism (100) is fixedly connected to a fixed plate (104), the fixed plate (104) is fixedly connected to the drive mechanism (300), and the drive end of the drive mechanism (300) is fixedly connected to a movable plate (106). The bottom of the truss mechanism (100) is provided with two sets of the trestle mechanism (400), and each set of the trestle mechanism (400) is fixedly connected with two sets of the steel rope assembly (200). One set of steel rope assemblies (200) of the trestle mechanism (400) is fixedly connected to the fixed plate (104) at one end of the truss mechanism (100), and another set of steel rope assemblies (200) is fixedly connected to the movable plate (106) at the other end of the truss mechanism (100). Another set of the steel rope assemblies (200) of the trestle mechanism (400) is fixedly connected to another fixed plate (104), and another set of the steel rope assemblies (200) is fixedly connected to another movable plate (106).

2. The novel active protection device for an existing suspended structure according to claim 1, characterized in that: The truss mechanism (100) includes a truss body (101), an adjustment frame (102), and an adjustment module (103). The adjustment frame (102) is slidably connected to both ends of the truss body (101). The adjustment module (103) is provided on the truss body (101). The adjustment module (103) includes two sets of connecting frames (1031) that can move away from or towards each other. The connecting frames (1031) are fixedly connected to the adjacent adjustment frame (102). Each set of adjustment frames (102) is fixedly connected to the end of the fixing plate (104).

3. The novel active protection device for an existing suspended structure according to claim 2, characterized in that: The adjustment module (103) further includes a first lead screw (1032), a second lead screw (1033), and a connecting shaft (1034). Each set of connecting frames (1031) is fixedly connected to a motion table (1035). The first lead screw (1032) is threadedly connected to one set of motion tables (1035), and the second lead screw (1033) is threadedly connected to the other set of motion tables (1035). The adjacent ends of the first lead screw (1032) and the second lead screw (1033) are fixedly connected through the connecting shaft (1034). A first worm gear (1036) is fixedly connected to the connecting shaft (1034). A first worm (1037) is rotatably connected to the truss body (101). The first worm (1037) is meshed with the first worm gear (1036). A first turntable (1038) is fixedly connected to the first worm (1037).

4. The novel active protection device for an existing suspended structure according to claim 1, characterized in that: The trestle mechanism (400) includes a main support frame (401), a lifting mechanism (402), and a support platform (403). The main support frame (401) is provided with the lifting mechanism (402), which includes a drive platform (4021) capable of lifting and lowering. The support platform (403) is fixedly connected to the drive platform (4021). The steel rope assembly (200) is fixedly connected to the main support frame (401).

5. The novel active protection device for an existing suspended structure according to claim 4, characterized in that: The lifting mechanism (402) further includes a guide column (4022), a third lead screw (4023), a second worm (4024), and a second worm wheel (4025). The guide column (4022) is fixedly connected to the main support frame (401). The drive platform (4021) is slidably connected to the guide column (4022). The third lead screw (4023) is threadedly connected to the drive platform (4021). One end of the third lead screw (4023) is fixedly connected to a transmission shaft (4026). The second worm wheel (4025) is fixedly connected to the transmission shaft (4026). The second worm (4024) is rotatably connected to the main support frame (401). The second worm (4024) meshes with the second worm wheel (4025). A second turntable (4027) is fixedly connected to the second worm (4024).

6. The novel active protection device for an existing suspended structure according to claim 4, characterized in that: The steel rope assembly (200) includes a steel wire rope (201), a steel wire rope clamp (202), and a connector (203). One end of the steel wire rope (201) is fixedly connected to the connector (203), and the steel wire rope clamp (202) is connected to the other end of the steel wire rope (201). The connector (203) is fixedly connected to the main support frame (401); Both the movable plate (106) and the moving plate are provided with rope holes (108). The wire rope (201) passes through the rope holes (108), and the wire rope clamp (202) abuts against the movable plate (106) and the moving plate to limit the movement of the wire rope (201).

7. The novel active protection device for an existing suspended structure according to claim 6, characterized in that: The bottom of the supporting main frame (401) is provided with a base (4011), and quick-connect grooves (4012) are provided on both sides of the base (4011). One end of the quick-connect groove (4012) is a closed end, and the other end is an open end. The connector (203) is slidably installed in the quick-connect groove (4012) through the open end. The base (4011) is provided with a locking component (500), which closes the open end of the quick-connect groove (4012) so that the connector (203) cannot be dislodged from the quick-connect groove (4012).

8. The novel active protection device for an existing suspended structure according to claim 7, characterized in that: The locking component (500) includes a guide rail (501), a closing platform (502), a traction arm (503), and a cam component (504). The guide rail (501) is fixedly connected to one side of the open end of the base (4011). The closing platform (502) is slidably connected to the guide rail (501). The cam component (504) is rotatably connected between two sets of closing platforms (502) through a rotating shaft (505). An eccentric shaft (506) is fixedly connected to both sides of the rotating shaft (505) on the cam component (504). The traction arm (503) is rotatably connected to each set of closing platforms (502). The other end of each set of traction arms (503) is rotatably connected to the adjacent eccentric shaft (506). A third worm gear (507) is fixedly connected to the rotating shaft (505), and a third worm (508) is rotatably connected to the base (4011). The third worm (508) meshes with the third worm gear (507), and a third turntable (509) is fixedly connected to the third worm (508).

9. The novel active protection device for an existing suspended structure according to claim 1, characterized in that: A stabilizing platform (105) is fixedly connected to the fixing plate (104), the stabilizing platform (105) is provided with fixing holes, and the stabilizing platform (105) is fitted with ground nails; A sliding column (107) is fixedly connected to the movable plate (106), and a sliding hole is provided on the fixed plate (104), through which the sliding column (107) passes.

10. A novel active protection device for an existing suspended structure according to claim 1, characterized in that: The drive mechanism (300) is a jack.

Images