Arch bridge rigid suspender hoisting tool

Abstract

The utility model provides an arch bridge rigid suspender hoisting tool which comprises a load-bearing cross beam, lifting hook connecting parts used for grasping a rigid suspender are symmetrically arranged at the two ends of the load-bearing cross beam, an adjusting disc is arranged outside the load-bearing cross beam, a plurality of hoisting holes are formed in the adjusting disc, and the adjusting disc is located on the side of the central axis of the load-bearing cross beam. By arranging the two lifting hook connecting parts, the lifting tool can be firmly fixed to the outer portion of the rigid lifting rod, the multiple lifting holes are formed in the adjusting disc, the different lifting holes can be conveniently connected to adjust the included angle between the rigid lifting rod and the horizontal direction, the horizontal angle is adjusted, and meanwhile the position, located on the side of the central axis of the bearing cross beam, of the adjusting disc is utilized; a corresponding angle can be formed between the rigid suspender and the vertical direction during hoisting, and the inward inclination angle is adjusted, so that the aerial posture of the suspender is comprehensively adjusted, and the hoisting device is simple to mount and dismount and convenient to transfer.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of visibility instrument, especially an arch bridge rigid suspender hoisting tool. BACKGROUND

[0002] In the arch bridge construction, the rigid suspender hoisting is very critical, the existing rigid suspender should design requirement, there is the need of horizontal angle and inner inclination angle installation. The current common hoisting method has steel wire rope direct hoisting, steel wire rope cooperation clamp hoisting and welding lug hoisting. However, when the steel wire rope direct hoisting, because the suspender has angle, the steel wire rope is easy to slip, there is security risk, also cannot adjust the inner inclination angle, the suspender and the connecting node position adjustment are difficult, and the construction efficiency is low;The steel wire rope cooperation clamp hoisting needs to be clamped in the suspender flange, and the suspender vertical mechanical characteristics after hoisting do not conform to the ideal, and when the connecting node is aligned, there is security risk, also cannot adjust the inner inclination angle, the position adjustment is difficult, and the construction efficiency is low;Although the welding lug hoisting can adjust the inner inclination angle, needs additional investment material, when the lug is cut off, for the protection of the suspender and guaranteeing the appearance, the operation is complex, increases the material and manpower cost, and the economy is poor. Therefore, the arch bridge rigid suspender hoisting tool is provided to solve the above problems. SUMMARY

[0003] The main purpose of the utility model is to provide an arch bridge rigid suspender hoisting tool, which solves the problems of safety, efficiency and economy of the suspender hoisting method.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: an arch bridge rigid suspender hoisting tool, comprising a load-bearing beam, a hook connecting part for gripping the rigid suspender is symmetrically arranged at both ends of the load-bearing beam, an adjusting disc is arranged outside the load-bearing beam, a plurality of lifting holes are arranged on the adjusting disc, and the adjusting disc is located on the side of the central axis of the load-bearing beam.

[0005] In the preferred scheme, the adjusting disc is eccentrically sleeved outside the load-bearing beam, and the load-bearing beam is vertically located below the center point of the adjusting disc.

[0006] In the preferred scheme, a perforation is arranged on the load-bearing beam.

[0007] The hook connecting part comprises a threaded pull rod which is movably penetrated through the perforation, a hook body is arranged at the bottom of the threaded pull rod, and a nut is threadedly sleeved outside the threaded pull rod and located at the top of the load-bearing beam.

[0008] In the preferred scheme, a gasket is sleeved outside the threaded pull rod, and the gasket is located between the nut and the load-bearing beam.

[0009] In the preferred scheme, a rubber pad is arranged on the inner side of the hook body.

[0010] In the preferred solution, a regulating disc moving mechanism is further included for adjusting the position of the regulating disc on the load bearing cross beam;

[0011] The regulating disc moving mechanism includes moving grooves arranged on both sides of the load bearing cross beam, sliding limit portions arranged inside the moving grooves, and screw rod adjusting portions arranged on the top of the load bearing cross beam;

[0012] The regulating disc is provided with threaded holes for screwing onto the outside of the screw rod adjusting portions, and the inside of the regulating disc is provided with sliding connecting portions for sliding connection with the sliding limit portions.

[0013] In the preferred solution, the sliding limit portions include baffle plates arranged at both ends of the moving grooves, and a limit rod arranged between the two baffle plates, and the sliding connecting portions are sleeve shafts slidingly sleeved on the outside of the limit rod.

[0014] In the preferred solution, the screw rod adjusting portions include two bearing seats arranged on the top of the load bearing cross beam, and a screw rod body rotatably arranged between the two bearing seats through bearings arranged inside the bearing seats, and the screw rod body is connected with an adjusting handle at one end thereof.

[0015] In the preferred solution, the adjusting handle is a disc type adjusting handle, and the disc of the disc type adjusting handle is in the form of a gear.

[0016] The bearing seat near the disc type adjusting handle is further provided with a locking mechanism, which includes an L-shaped support seat arranged on the top of the bearing seat, a telescopic rod movably penetrating through the L-shaped support seat, a locking tooth block matching the disc arranged at the bottom of the telescopic rod, a pull plate arranged at the top of the telescopic rod, and a telescopic spring sleeved on the outside of the telescopic rod between the locking tooth block and the L-shaped support seat.

[0017] In the preferred solution, the perforations are strip-shaped holes.

[0018] The utility model provides a kind of arch bridge rigid suspender hoisting tool, by setting two hook connecting parts, hoisting tool can be firmly fixed in the outside of rigid suspender, by setting multiple lifting holes on adjusting disc, it is convenient to connect different lifting holes and adjust the included angle between rigid suspender and horizontal direction, realize adjusting horizontal angle adjustment, simultaneously, using the position of adjusting disc located in the lateral of load bearing cross beam central axis, it can present corresponding angle between rigid suspender and vertical direction during hoisting, realize the adjustment of inner inclination angle, to comprehensively adjust the aerial posture of suspender, and it is simple to assemble and disassemble, and turnover is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further described below in combination with drawings and examples:

[0020] Figure 1 it is the first embodiment structure schematic diagram of the utility model;

[0021] Figure 2The utility model discloses Figure 1 Explosion structure schematic diagram

[0022] Figure 3 The utility model discloses second embodiment structure schematic diagram

[0023] Figure 4 The utility model discloses second embodiment adjusting disc structure schematic diagram

[0024] Figure 5 The utility model discloses Figure 3 Half cut structure diagram

[0025] Figure 6 The utility model discloses Figure 3 Amplification schematic diagram of middle A structure

[0026] In the drawing: bearing crossbeam 1, perforated 101, hook connecting portion 2, threaded pull rod 201, hook body 202, nut 203, gasket 204, adjusting disc 3, threaded hole 301, sliding connecting portion 302, lifting eye 4, adjusting disc moving mechanism 5, moving groove 51, sliding limit portion 52, baffle 520, limit rod 521, screw rod adjusting portion 53, bearing seat 530, screw rod body 531, adjusting handle 532, locking mechanism 54, L-shaped support seat 541, telescopic rod 542, pull plate 543, telescopic spring 544, locking tooth block 545. DETAILED DESCRIPTION

[0027] Example 1

[0028] As Figures 1-2 shown, an arch bridge rigid suspender hoisting tool includes a bearing crossbeam 1, the two ends of the bearing crossbeam 1 are symmetrically provided with hook connecting portions 2 for gripping rigid suspender, so that the hoisting tool is installed on the rigid suspender, the outside of the bearing crossbeam 1 is provided with an adjusting disc 3, the adjusting disc 3 is provided with a plurality of lifting eyes 4, and the adjusting disc 3 is located at the side of the central axis of the bearing crossbeam 1.

[0029] In this way, when the rigid suspender is hoisted through the hoisting tool, the included angle between the rigid suspender and the horizontal direction can be adjusted by connecting different lifting eyes 4, and at the same time, by arranging the adjusting disc 3 at the side of the central axis of the crossbeam 1, the rigid suspender can present a corresponding angle with the vertical direction during hoisting, and the specific position of the adjusting disc 3 corresponds to the angle to be adjusted between the rigid suspender and the vertical direction, so that the horizontal angle and the inner inclination angle can be adjusted, in addition, the specific number and position of the lifting eyes 4 can be adjusted according to the rotation requirement.

[0030] In the preferred embodiment, the adjusting disc 3 is eccentrically fitted onto the outside of the load-bearing beam 1, and the load-bearing beam 1 is vertically located below the center point of the adjusting disc 3. This reduces the protruding length of the adjusting disc 3 below the load-bearing beam 1, preventing it from colliding with the load-bearing beam 1 during hoisting and affecting its clamping effect.

[0031] In the preferred embodiment, the load-bearing crossbeam 1 is provided with a through hole 101;

[0032] The hook connection part 2 includes a threaded rod 201 that can be moved through the through hole 101. The bottom of the threaded rod 201 is provided with a hook body 202. The threaded rod 201 and the hook body 202 are welded together. The threaded rod 201 is fitted with a nut 203 located at the top of the load-bearing crossbeam 1.

[0033] In this embodiment, the rigid boom is a steel component with an I-shaped cross-section. The hook body 202 can be effectively hooked onto the flange of the rigid boom, and the locking effect is achieved by tightening the nut 203.

[0034] In the preferred embodiment, a washer 204 is fitted on the outside of the threaded tie rod 201. The washer 204 is located between the nut 203 and the load-bearing crossbeam 1, which can further improve the locking force.

[0035] In the preferred embodiment, a rubber pad is provided on the inner side of the hook body 202 to prevent scratching the rigid rod and to increase the friction during connection.

[0036] Example 2

[0037] Further explanation in conjunction with Example 1, such as Figures 3-6 In order to adapt to different inward tilt angles of the rigid rod, the structure shown in this embodiment also includes an adjustment disc moving mechanism 5, which is used to adjust the position of the adjustment disc 3 on the load-bearing beam 1, so as to adapt to different inward tilt angles required by the rigid rod. At this time, the adjustment disc 3 can be movably mounted on the outside of the load-bearing beam 1.

[0038] The adjusting plate moving mechanism 5 includes a moving groove 51 provided on both sides of the load-bearing crossbeam 1, a sliding limiting part 52 provided inside the moving groove 51, and a screw adjusting part 53 provided on the top of the load-bearing crossbeam 1. The adjusting plate 3 is provided with a threaded hole 301 for threading onto the outside of the screw adjusting part 53. The inner side of the adjusting plate 3 is provided with a sliding connecting part 302 that is slidably connected to the sliding limiting part 52.

[0039] With this design, the adjusting disc 3 can be slid under the restriction of the sliding limit part 52 by rotating the screw adjusting part 53, thereby adjusting its position on the load-bearing crossbeam 1.

[0040] In the preferred embodiment, the sliding limiting part 52 comprises two baffle plates 520 arranged at the two ends of the moving groove 51, a limiting rod 521 is arranged between the two baffle plates 520, and the sliding connecting part 302 is a sleeve shaft which is sleeved on the outside of the limiting rod 521, and the sleeve shaft is slid on the outside of the limiting rod 521 to achieve linear limiting effect.

[0041] In the preferred embodiment, the screw adjusting part 53 comprises two bearing seats 530 arranged at the top of the load-bearing crossbeam 1, a screw body 531 is rotatably arranged between the two bearing seats 530 through bearings arranged in the bearing seats 530, one end of the screw body 531 is connected with an adjusting handle 532, the screw body 531 is rotated between the two bearing seats 530 by controlling the adjusting handle 532, and the adjusting disc 3 is driven to move.

[0042] In the preferred embodiment, in order to prevent unnecessary rotation of the screw body 531, the adjusting handle 532 is a disc type adjusting handle, and the disc of the disc type adjusting handle is in the form of a gear.

[0043] The bearing seat 530 close to the disc type adjusting handle is further provided with a locking mechanism 54, the locking mechanism 54 comprises an L-shaped support seat 541 arranged at the top of the bearing seat 530, the L-shaped support seat 541 is composed of a vertical plate and a horizontal plate arranged at the top end of the vertical plate, the vertical plate is arranged at the top of the bearing seat 530, a telescopic rod 542 is movably penetrated through the horizontal plate of the L-shaped support seat 541, the bottom of the telescopic rod 542 is provided with locking teeth 545 which can be matched with the disc, the top of the telescopic rod 542 is provided with a pull plate 543, and the outside of the telescopic rod 542 is further sleeved with a telescopic spring 544 between the locking teeth 545 and the L-shaped support seat 541.

[0044] In this way, the locking teeth 545 can be kept in the locking relationship with the disc under the tension of the telescopic spring 544, so as to prevent accidental rotation of the screw body 531, and when it is needed to be unlocked, the locking teeth 545 can be separated from the disc by pulling the pull plate 543 upward.

[0045] In the preferred embodiment, the perforation 101 is a strip-shaped hole, so that the distance between the two hook connecting parts 2 can be adjusted according to the width of the rigid suspender.

[0046] It should be noted that the top of the load-bearing crossbeam 1 is provided with a scale bar for reference when the two hook connecting parts 2 and the adjusting disc 3 are adjusted, so as to achieve the effect of accurate adjustment.

[0047] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limiting the present application, and the protection scope of the present application should be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features recorded in the claims as the protection scope. That is, the equivalent replacement improvements within the scope are also within the protection scope of the present application.

Claims

1. A rigid suspender hoisting fixture for arch bridges, characterized in that: The utility model provides a kind of rigid pole lifting device, including load-bearing beam (1), the both ends of load-bearing beam (1) are symmetrically provided with the hook connecting part (2) for grabbing rigid pole, the outside of load-bearing beam (1) is provided with adjusting disc (3), adjusting disc (3) is provided with multiple lifting holes (4) on it, adjusting disc (3) is located in the side of the central axis of load-bearing beam (1).

2. The arch bridge rigid suspender hoisting tooling according to claim 1, characterized in that: Adjusting disc (3) is eccentrically sleeved on the outside of load-bearing beam (1), and load-bearing beam (1) is vertically located below the center point of adjusting disc (3).

3. The hoisting tool for the rigid suspender of the arch bridge according to claim 1, characterized in that: Perforation (101) is provided on load-bearing beam (1). Hook connecting part (2) includes threaded pull rod (201) movably penetrating through perforation (101), the bottom of threaded pull rod (201) is provided with hook body (202), and the outside of threaded pull rod (201) is threadedly sleeved with nut (203) located on the top of load-bearing beam (1).

4. The rigid suspender hoisting tool for arch bridges according to claim 3, characterized in that: The outside of threaded pull rod (201) is sleeved with gasket (204), and gasket (204) is located between nut (203) and load-bearing beam (1).

5. The arch bridge rigid suspender hoisting tooling of claim 4, characterized in that: The inside of hook body (202) is provided with rubber pad.

6. The arch bridge rigid suspender hoisting tooling of any one of claims 1-5, characterized in that: Further comprising adjusting disc moving mechanism (5) for adjusting the position of adjusting disc (3) on load-bearing beam (1). Adjusting disc moving mechanism (5) comprises moving groove (51) provided on both sides of load-bearing beam (1), sliding limiting portion (52) provided on the inside of moving groove (51), and screw rod adjusting portion (53) provided on the top of load-bearing beam (1). Adjusting disc (3) is provided with threaded hole (301) for threadedly sleeving the outside of screw rod adjusting portion (53), and the inside of adjusting disc (3) is provided with sliding connecting portion (302) slidingly connected with sliding limiting portion (52).

7. The arch bridge rigid suspender hoisting tooling of claim 6, characterized in that: Sliding limiting portion (52) comprises baffle (520) provided on both ends of moving groove (51), limiting rod (521) provided between two baffles (520), and sleeve shaft slidingly sleeved on the outside of limiting rod (521).

8. The arch bridge rigid suspender hoisting tooling according to claim 7, characterized in that: Screw rod adjusting portion (53) comprises two bearing seats (530) provided on the top of load-bearing beam (1), screw rod body (531) rotatably provided between two bearing seats (530) through bearings provided in the inside thereof, and adjusting handle (532) connected to one end of screw rod body (531) through bearing seat (530).

9. The arch bridge rigid suspender hoisting tooling of claim 8, characterized in that: Adjusting handle (532) is disc type adjusting handle, and the disc of disc type adjusting handle is gear-shaped. Bearing seat (530) close to disc type adjusting handle is further provided with locking mechanism (54), locking mechanism (54) comprises L-shaped support seat (541) provided on the top of bearing seat (530), telescopic rod (542) movably penetrating through L-shaped support seat (541), locking tooth block (545) matching with the disc provided at the bottom of telescopic rod (542), pull plate (543) provided at the top of telescopic rod (542), and telescopic spring (544) sleeved on the outside of telescopic rod (542) between locking tooth block (545) and L-shaped support seat (541).

10. The arch bridge rigid suspender hoisting tooling according to any one of claims 3-5, characterized in that: Perforation (101) is strip-shaped hole.

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