Convenient mounting device for steel pipe arch bridge suspender

By designing a convenient installation device, using the combination of worm and threaded screw, the stable clamping and precise tensioning of the boom on the arch ribs is achieved, solving the problems of inefficiency and safety risks in traditional methods, and improving construction efficiency and bridge quality.

CN223189591UActive Publication Date: 2025-08-05CHINA RAILWAY FIRST GROUP FIFTH ENGINEERING CO LTD
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Patent Information

Application Number
CN202422497877.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-08-05
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

Traditional boom installation and tensioning methods are inefficient and have safety risks, making it difficult to ensure that the tensioning force and position of the boom meet the design requirements, affecting the quality and durability of the bridge.

Method used

A convenient installation device including the first clamp, the second clamp, a threaded screw, a worm gear and a fastening mechanism is designed. The clamping is achieved through the worm drive the threaded screw to rotate, combined with the jack to tension the suspender, and the friction force is increased through the rubber layer to ensure stability and convenient movement.

Benefits of technology

The stable fixation and precise tension of the boom on the arch ribs are achieved, construction efficiency is improved, repetitive labor is reduced, and the stability and load-bearing capacity of the bridge are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of suspender installation devices, and discloses a steel pipe arch bridge suspender convenient installation device which comprises a first clamping plate, a second clamping plate and a third clamping plate. The second clamping plate is matched with the first clamping plate to fix the mounting device; the adjusting structure comprises threaded lead screws arranged on the first clamping plate and the second clamping plate and is used for adjusting fixation and movement of the first clamping plate and the second clamping plate on the arch rib; according to the convenient installing device for the steel pipe arch bridge suspender, when the convenient installing device for the steel pipe arch bridge suspender is used, the first clamping plate and the second clamping plate are designed, the worm is screwed to drive the threaded lead screw to rotate, so that an arch rib is firmly clamped, it is guaranteed that the suspender can be stably fixed to the arch rib in the installing and tensioning process, and the suspender is not prone to sliding or falling off; and through the rubber layers on the surfaces of the grooves in the first clamping plate and the second clamping plate, the friction force between the clamping plate and the arch rib is increased, and the clamping stability and firmness are further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hanger installation devices, in particular to a convenient installation device for hangers of steel pipe arch bridges. Background Art

[0002] During the construction of steel tube arch bridges, the installation and tensioning of hangers are important steps to ensure the stability and bearing capacity of the bridge structure. Traditional hanger installation and tensioning methods usually rely on manual operation, which is not only inefficient but also poses high safety risks. In addition, due to the limited precision of manual operation, it is often difficult to ensure that the tensioning force and position of the hangers meet the design requirements, which affects the overall quality and durability of the bridge.

[0003] However, when actually tensioning the hanger after passing through the reserved hole, it is inconvenient to move the hanger to the next hanger position on the arch rib according to the position where the hanger tightness needs to be adjusted, thereby wasting a lot of time and physical strength. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a convenient installation device for the hanger of a steel pipe arch bridge.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a convenient installation device for a steel pipe arch bridge hanger, comprising:

[0006] a first clamping plate for supporting the boom mounting device;

[0007] A second clamping plate, used to cooperate with the first clamping plate to fix the mounting device;

[0008] An adjustment structure includes a threaded screw arranged on the first clamping plate and the second clamping plate, and is used to adjust the fixation and movement of the first clamping plate and the second clamping plate on the arch rib;

[0009] The fastening mechanism includes a first support plate and a second support plate provided on one side of the first clamping plate and the second clamping plate, and is used to tension the suspension rod after passing through the reserved hole;

[0010] The locking component is used to fix the first support plate and the second support plate to tension the boom.

[0011] As a further description of the above technical solution: the regulating structure further includes:

[0012] A fixed plate, slidably connected to the upper ends of the first clamping plate and the second clamping plate;

[0013] The worm gear is fixedly arranged at the middle part of the threaded screw and is used to drive the threaded screw to rotate on the fixed plate;

[0014] The worm is rotatably connected to the upper portion of the fixed plate, and is used to drive the worm wheel to rotate and lock the worm wheel at the same time;

[0015] The limiting grooves are provided on the upper surfaces of the fixing plates on both sides of the worm and are used to limit the first clamping plate and the second clamping plate.

[0016] As a further description of the above technical solution: the threaded screw is provided with two sets of reverse threads, and the first clamping plate and the second clamping plate are respectively threadedly connected to the two sides of the threaded screw.

[0017] As a further description of the above technical solution: the lower end of the first splint is provided with a groove that fits the side of the arch rib, and the lower end of the second splint is provided with a groove that fits the side of the arch rib at the same horizontal position.

[0018] As a further description of the above technical solution: the fastening mechanism further includes:

[0019] A first jack is fixedly arranged in the middle upper groove of the first clamping plate near the second clamping plate, and is used to drive the first support plate to rise;

[0020] A first placement hole is provided on the upper end of the first support plate near the second support plate and is used for clamping on the lower surface of the nut on the boom;

[0021] The second jack is fixedly arranged in the middle and upper groove of the second clamping plate horizontally with the first jack, and is used to drive the second support plate to rise;

[0022] The second placement hole is opened at the upper end of one side of the second support plate at a position corresponding to the first placement hole, and is used to cooperate with the first placement hole to be clamped on the lower surface of the nut on the suspension rod.

[0023] As a further description of the above technical solution: the shape of the first support plate is Z-shaped, and the shape of the second support plate is Z-shaped.

[0024] As a further description of the above technical solution: the output end of the first jack is rotatably connected to the lower end of the first support plate, the output end of the second jack is rotatably connected to the lower end of the second support plate, and the lower end of the first support plate and the lower end of the second support plate are arranged on the same horizontal plane.

[0025] As a further description of the above technical solution: the locking component further includes:

[0026] A bolt, one end of which is threadedly connected to the first support plate and the other end of which is threadedly connected to the second support plate, is used to lock the first support plate and the second support plate which are clamped on the boom.

[0027] The utility model has the following beneficial effects:

[0028] 1. In the utility model, when using the convenient installation device for the steel tube arch bridge hanger, by designing the first clamping plate and the second clamping plate, the arch rib is firmly clamped by twisting the worm to drive the threaded screw to rotate, which not only ensures that the hanger can be stably fixed on the arch rib during the installation and tensioning process and is not easy to slide or fall off, but also the rubber layer on the surface of the groove on the first clamping plate and the second clamping plate increases the friction between the hanger and the arch rib, further improving the stability and firmness of the clamping.

[0029] 2. In the utility model, when using the convenient installation device for the hanger of a steel pipe arch bridge, the hanger can be easily and accurately tensioned by pressing the first jack and the second jack. At the same time, after the hanger is tensioned, the first clamping plate and the second clamping plate are separated from the arch rib by twisting the bolts and the worm in reverse, thereby facilitating the movement of the entire device on the arch rib to the next hanger tensioning location, which not only reduces the repetitive labor during the construction process but also improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is an exploded view of the partial structure of a convenient installation device for steel tube arch bridge hangers proposed in the utility model;

[0031] Figure 2 This is a structural diagram of a convenient installation device for steel tube arch bridge hangers proposed in the utility model;

[0032] Figure 3 This is a partial structural diagram of a convenient installation device for steel tube arch bridge hangers proposed in the utility model;

[0033] Figure 4 for Figure 2 Enlarged view of point A in the middle.

[0034] Legend:

[0035] 1. First clamping plate; 2. Second clamping plate; 301. Bolt; 401. First jack; 402. First support plate; 403. Placement hole 1; 404. Second jack; 405. Second support plate; 406. Placement hole 2; 501. Fixing plate; 502. Limiting groove; 503. Worm; 504. Worm wheel; 505. Threaded screw. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] Example 1:

[0038] Refer to Figures 1 to 4 The utility model provides a convenient installation device for a steel pipe arch bridge hanger, comprising a first clamping plate 1 for supporting the hanger installation device and a second clamping plate 2 for cooperating with the first clamping plate 1 to fix the installation device. The first clamping plate 1 includes a fastening mechanism, including a first support plate 402 and a second support plate 405 provided on one side of the first clamping plate 1 and the second clamping plate 2, for tensioning the hanger after passing through the reserved hole.

[0039] As a preferred embodiment, the fastening mechanism further includes: a first jack 401, which is fixedly arranged in the middle and upper groove of the first splint 1 near the second splint 2, and is used to drive the first support plate 402 to rise; a placement hole 403, which is arranged on the upper end of the first support plate 402 near the second support plate 405, and is used to be clamped on the lower surface of the nut on the suspension rod; a second jack 404, which is fixedly arranged in the middle and upper groove of the second splint 2 horizontally with the first jack 401, and is used to drive the second support plate 405 to rise; a placement hole 406, which is arranged at the upper end of the second support plate 405 on a position corresponding to the placement hole 403, and is used to cooperate with the placement hole 403 to be clamped on the lower surface of the nut on the suspension rod;

[0040] It should be noted that if Figure 1 The placement hole 403 shown runs through the first support plate 402, and the shape of the placement hole 403 is a semicircle that fits one side of the boom. The placement hole 406 runs through the second support plate 405, and the shape of the placement hole 406 is a semicircle that fits the other side of the boom.

[0041] As a preferred embodiment, the first support plate 402 is in a Z-shape, and the second support plate 405 is in a Z-shape;

[0042] It should be noted that the first support plate 402 and the second support plate 405 are both made of high-strength stainless steel metal, which has excellent hardness and corrosion resistance and can withstand high loads and harsh environments;

[0043] As a preferred embodiment, the output end of the first jack 401 is fixedly connected to the lower end of the first support plate 402, and the output end of the second jack 404 is fixedly connected to the lower end of the second support plate 405. The lower end of the first support plate 402 and the lower end of the second support plate 405 are arranged on the same horizontal plane; it should be noted that the first jack 401 and the second jack 404 are symmetrically arranged.

[0044] Example 2:

[0045] On the basis of Example 1, in order to further improve the convenience of the suspension rod tensioning, an adjustment structure is provided on the first clamping plate 1;

[0046] As a preferred embodiment, the adjustment structure includes a threaded screw 505 arranged on the first clamping plate 1 and the second clamping plate 2, for adjusting the fixation and movement of the first clamping plate 1 and the second clamping plate 2 on the arch rib;

[0047] As a preferred embodiment, the adjustment structure further includes: a fixed plate 501, slidably connected to the upper ends of the first clamping plate 1 and the second clamping plate 2; a worm gear 504, fixedly arranged at the middle of the threaded screw 505, for driving the threaded screw 505 to rotate on the fixed plate 501; a worm 503, rotatably connected to the upper part of the fixed plate 501, for driving the worm gear 504 to rotate and simultaneously locking the worm gear 504; limiting grooves 502, provided on the upper surface of the fixed plate 501 on both sides of the worm 503, for limiting the first clamping plate 1 and the second clamping plate 2;

[0048] It should be noted that if Figure 1 The worm 503 is provided with a protruding handle at one end away from the first support plate 402 and the second support plate 405, so as to drive the worm wheel 504 to rotate;

[0049] As a preferred embodiment, the limiting groove 502 is provided with two sets of reverse threads, and the first clamping plate 1 and the second clamping plate 2 are respectively provided on both sides of the threaded screw 505;

[0050] As a preferred embodiment, the lower end of the first plywood 1 is provided with a groove that fits the side of the arch rib, and the lower end of the second plywood 2 is provided with a groove that fits the side of the arch rib at the same horizontal position;

[0051] It should be noted that the groove surfaces on the first plywood 1 and the second plywood 2 are both provided with a rubber layer, which can generate sufficient friction between the rubber layer and the side of the arch rib to ensure that it can be firmly clamped on the arch rib during the installation process, and is not easy to slide or fall off, thereby increasing the stability of the boom during installation.

[0052] Example 3:

[0053] On the basis of Example 2, in order to further improve the convenience of the suspension rod tensioning, a locking component is provided on the first clamping plate 1;

[0054] As a preferred embodiment, the locking component is used to fix the first support plate 402 and the second support plate 405 to tension the boom;

[0055] As a preferred embodiment, the locking component further includes: a bolt 301, one end of which is threadedly connected to the first support plate 402, and the other end of which is threadedly connected to the second support plate 405, for locking the first support plate 402 and the second support plate 405 clamped on the boom;

[0056] It should be noted that if Figure 4 As shown, an end of the bolt 301 close to the first support plate 402 is provided with an anti-slip line for increasing the friction when the bolt 301 is tightened.

[0057] Working principle: When in use, first place the first splint 1 and the second splint 2 on both sides of the arch rib on the steel pipe arch bridge, then screw the worm 503 to rotate on the fixed plate 501, the worm 503 drives the worm wheel 504 to rotate, the worm wheel 504 drives the threaded screw 505 to rotate in the fixed plate 501, the threaded screw 505 drives the first splint 1 and the second splint 2 to slide in the fixed plate 501 through two sets of reverse threads, and at the same time, the protrusions on the top of the first splint 1 and the second splint 2 slide in the limiting grooves 502 on both sides of the worm wheel 504, and the grooves on the first splint 1 and the second splint 2 fit tightly on the arch The device is fixed on both sides of the rib, and the surface of the groove on the first clamping plate 1 and the second clamping plate 2 is provided with a rubber layer, which can generate sufficient friction to ensure that the first clamping plate 1 and the second clamping plate 2 can be firmly clamped on the arch rib during the installation and tensioning of the boom, and are not easy to slide or fall off, thereby increasing the stability of the boom installation and tensioning process and ensuring the safety of the tensioning operation. Then, the first support plate 402 and the second support plate 405 on the output end of the first jack 401 and the second jack 404 are pulled, and the placement hole 1 403 on the first support plate 402 and the placement hole 2 on the second support plate 405 are pulled. When 406 is stuck on both sides of the suspender, the nut is placed on the upper side of the suspender and fits on the upper surface of the first support plate 402 and the second support plate 405. At the same time, the bottom of the suspender is fixed to the bridge through the bolt 301. Then, the first jack 401 and the second jack 404 are pressed at the same time. The first jack 401 and the second jack 404 drive the first support plate 402 and the second support plate 405 to rise. The first support plate 402 and the second support plate 405 drive the suspender to rise through the placement hole 1 403 and the placement hole 2 406 to tension the suspender, which is convenient for the staff to tension the suspender as needed, thereby raising the bridge. To ensure the overall stability and bearing capacity of the beam, after tensioning to the required force, screw the nuts on the hanger below the first support plate 402 and the second support plate 405 and the arch rib to fix them, then reversely screw the bolt 301 to separate the first support plate 402 and the second support plate 405 from the hanger, then reversely loosen the worm 503 so that the grooves at the bottom ends of the first splint 1 and the second splint 2 are no longer tightly fitted with the arch rib, then push this device to move on the arch rib to the next hanger tensioning location and repeat the above operations, so that the staff can move this device on the arch rib according to the hanger that needs to be adjusted, thereby improving work efficiency.

[0058] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A convenient installation device for steel pipe arch bridge hangers, characterized by: include: A first clamping plate (1) for supporting a boom mounting device; A second clamping plate (2) is used to cooperate with the first clamping plate (1) to fix the mounting device; An adjustment structure includes a threaded screw (505) arranged on the first clamping plate (1) and the second clamping plate (2), and is used to adjust the fixation and movement of the first clamping plate (1) and the second clamping plate (2) on the arch rib; The fastening mechanism comprises a first support plate (402) and a second support plate (405) provided on one side of the first clamping plate (1) and the second clamping plate (2), and is used for tensioning the suspension rod after passing through the reserved hole; The locking component is used to fix the first support plate (402) and the second support plate (405) to tension the suspension rod.

2. The convenient installation device for steel pipe arch bridge hangers according to claim 1, characterized in that: The regulating structure further comprises: A fixed plate (501) is slidably connected to the upper ends of the first clamping plate (1) and the second clamping plate (2); A worm wheel (504) is fixedly arranged at the middle of the threaded screw (505) and is used to drive the threaded screw (505) to rotate on the fixed plate (501); A worm (503) is rotatably connected to the upper portion of the fixed plate (501) and is used to drive the worm wheel (504) to rotate and simultaneously lock the worm wheel (504); The limiting grooves (502) are provided on the upper surface of the fixing plate (501) on both sides of the worm (503) and are used to limit the first clamping plate (1) and the second clamping plate (2).

3. The convenient installation device for steel pipe arch bridge hangers according to claim 2, characterized in that: The threaded screw (505) is provided with two sets of reverse threads, and the first clamping plate (1) and the second clamping plate (2) are respectively threadedly connected to two sides of the threaded screw (505).

4. The convenient installation device for steel pipe arch bridge hangers according to claim 3, characterized in that: The lower end of the first clamping plate (1) is provided with a groove that fits the side surface of the arch rib, and the lower end of the second clamping plate (2) is provided with a groove that fits the side surface of the arch rib at the same horizontal position.

5. The convenient installation device for steel pipe arch bridge hangers according to claim 4, characterized in that: The fastening mechanism further comprises: A first jack (401) is fixedly arranged in a middle upper groove on a side of the first clamping plate (1) close to the second clamping plate (2), and is used to drive the first support plate (402) to rise; A placement hole (403) is provided on the upper end of the first support plate (402) near the second support plate (405) and is used for clamping on the lower surface of the nut on the suspension rod; The second jack (404) is fixedly arranged in the middle upper groove of the second clamping plate (2) which is horizontal to the first jack (401) and is used to drive the second support plate (405) to rise; The second placement hole (406) is provided at the upper end of one side of the second support plate (405) and is arranged at a position corresponding to the first placement hole (403), and is used to cooperate with the first placement hole (403) to be clamped on the lower surface of the nut on the suspension rod.

6. The convenient installation device for steel pipe arch bridge hangers according to claim 5, characterized in that: The first support plate (402) is in a Z-shape, and the second support plate (405) is in a Z-shape.

7. The convenient installation device for steel pipe arch bridge hangers according to claim 6, characterized in that: The output end of the first jack (401) is rotatably connected to the lower end of the first support plate (402), and the output end of the second jack (404) is rotatably connected to the lower end of the second support plate (405). The lower end of the first support plate (402) and the lower end of the second support plate (405) are arranged on the same horizontal plane.

8. The convenient installation device for steel pipe arch bridge hangers according to claim 7, characterized in that: The locking component further comprises: A bolt (301) has one end threadedly connected to the first support plate (402) and the other end threadedly connected to the second support plate (405), and is used to lock the first support plate (402) and the second support plate (405) clamped on the boom.