Bridge erecting machine for improving bridge installation safety

Abstract

The utility model relates to the technical field of bridge girder erection machines, and provides a bridge girder erection machine for improving bridge installation safety, which comprises a beam and a plurality of support sleeves, the two hoisting crown blocks are arranged on the surfaces of the guide beams in a sliding manner; the mounting front frame is arranged on the surface of the guide beam in a sliding manner, and a mounting rear frame is arranged on the surface of one side of the guide beam; and the two limiting holes are formed in the symmetrical positions of the surface of the front mounting frame, a second hydraulic cylinder is arranged on the surface of one side of the front mounting frame, a supporting seat is arranged at the output end of the second hydraulic cylinder, and anti-skid pads are arranged at the symmetrical positions of the surface of the supporting seat. According to the steel cable winding device, the trapezoidal frame is used for supporting the mounting plate, when the driving motor on the surface of the mounting plate works, the winding disc is driven to wind the steel cable, the steel cable is guided along the surface of the guide shaft in the notch, auxiliary positioning work is conducted on the guide beam from the side face, and the stability performance of equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge girder erection machine technical field especially relates to a kind of bridge girder erection machine for improving bridge installation security. BACKGROUND

[0002] Bridge girder erection machine is the equipment that precast beam is placed to pier, belongs to crane category, bridge girder erection machine is applicable to highway bridge, conventional railway bridge, passenger special railway bridge etc.

[0003] In prior art, part bridge girder erection machine is usually installed in support leg when using, so guide beam lacks lateral orientation auxiliary positioning equipment, unstable situation is prone to, while part bridge girder erection machine is used, part front support leg is supported by two support columns, and it is prone to cause that the pressure borne is too large, fatigue or crack etc. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of bridge girder erection machines for improving bridge installation security, to solve the problems that part bridge girder erection machine in prior art is usually installed in support leg when using, so guide beam lacks lateral orientation auxiliary positioning equipment, unstable situation is prone to, while part bridge girder erection machine is used, part front support leg is supported by two support columns, and it is prone to cause that the pressure borne is too large, fatigue or crack etc.

[0005] To achieve the above object, the utility model adopts the following technical scheme: guide beam and multiple support sleeves;Two hoisting trolleys are slidably arranged on the surface of the guide beam;Further comprising:

[0006] Front mounting frame is slidably arranged on the surface of the guide beam, and the one side surface of the guide beam is provided with rear mounting frame;

[0007] Two limiting holes are symmetrically arranged on the surface of the front mounting frame, and the one side surface of the front mounting frame is provided with hydraulic cylinder two, the output end of the hydraulic cylinder two is provided with support seat, the symmetric position on the surface of the support seat is provided with anti-skid pad, and the symmetric position on the one side surface of the support seat away from the anti-skid pad is provided with limiting rod.

[0008] Preferably, the two limiting rods are slidably arranged in the limiting holes, and the multiple support sleeves are evenly divided into two groups.

[0009] The technical effect of the above further scheme is that the limiting holes limit the limiting rods, and the support sleeves are divided into multiple groups to support different components.

[0010] Preferably, one group of the support sleeves is symmetrically arranged on the one side surface of the front mounting frame, and the other group of the support sleeves is symmetrically arranged on the one side surface of the rear mounting frame.

[0011] The technical effects of the further scheme are that two groups of support sleeves respectively provide support work for the front mounting frame and the rear mounting frame.

[0012] Preferably, the inside of the plurality of support sleeves is provided with a hydraulic cylinder one, and the output end of the plurality of hydraulic cylinders one is provided with a support foot.

[0013] The technical effects of the further scheme are that when the hydraulic cylinder one in the support sleeve works, the support foot at the output end is moved to contact the ground to perform support work.

[0014] Preferably, the surface of the rear mounting frame is provided with a ladder-shaped frame, and the inner wall of the symmetrical part of the ladder-shaped frame is provided with a notch.

[0015] The technical effects of the further scheme are that the notch in the surface of the rear mounting frame is provided with a ladder-shaped frame, which facilitates the fixing of parts.

[0016] Preferably, the inner wall of the two notches is fixedly provided with a guide shaft, and the surface of the symmetrical part of the ladder-shaped frame is provided with a mounting plate.

[0017] The technical effects of the further scheme are that the guide shaft inside the notch facilitates the guiding of the steel cable, and the ladder-shaped frame provides fixing work for the mounting plate.

[0018] Preferably, the surface of the two mounting plates is provided with a drive motor, and the output end of the two drive motors is provided with a winding disc.

[0019] The technical effects of the further scheme are that when the drive motor on the surface of the mounting plate works, the winding disc is driven to perform winding work.

[0020] Preferably, the inside of the two winding discs is wound with a steel cable, and one end of the two steel cables is fixedly provided on the surface of the symmetrical part of the guide beam.

[0021] The technical effects of the further scheme are that when the winding disc rotates, the steel cable is wound to assist in positioning the guide beam at one end.

[0022] Compared with the prior art, the advantages and positive effects of the utility model lie in,

[0023] 1. In this utility model, when the hydraulic cylinder one inside the support sleeve on the surface of the front and rear mounting frames works, it drives the support foot to move and contact the ground to complete the positioning work. When the front mounting frame moves, it is positioned with the help of the middle support leg. When the front mounting frame is positioned, the hydraulic cylinder two works to drive the support seat to move down, so that the anti-slip pad contacts the ground. In conjunction with the limit rod, it performs the limiting work along the inside of the limit hole, thereby providing auxiliary positioning support for the front end of the guide beam, reducing the pressure on the parts and extending the service life.

[0024] 2. In this utility model, a trapezoidal frame is used to support the mounting plate. When the drive motor on the surface of the mounting plate is working, it drives the winding reel to wind up the steel cable, so that the steel cable is guided along the surface of the guide shaft inside the slot, and the guide beam is positioned from the side to improve the stability of the equipment. Attached Figure Description

[0025] Figure 1 This utility model provides a side view structural diagram of a bridge erecting machine that improves the safety of bridge installation;

[0026] Figure 2 This utility model provides a partial cross-sectional structural diagram of a bridge erecting machine that improves the safety of bridge installation;

[0027] Figure 3 This utility model presents a partially unfolded structural diagram of a bridge erecting machine to improve the safety of bridge installation;

[0028] Figure 4 This utility model proposes a bridge erecting machine to improve the safety of bridge installation. Figure 1 Enlarged structural diagram at point A in the middle.

[0029] Legend:

[0030] 1. Guide beam; 101. Hoisting trolley; 102. Front mounting frame; 1021. Limiting hole; 1022. Hydraulic cylinder two; 1023. Support seat; 1024. Anti-slip pad; 1025. Limiting rod; 103. Rear mounting frame; 1031. Trapezoidal frame; 1032. Groove; 1033. Guide shaft; 1034. Mounting plate; 1035. Drive motor; 1036. Rewind reel; 1037. Steel cable; 2. Support sleeve; 202. Hydraulic cylinder one; 203. Support foot. Detailed Implementation

[0031] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0032] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0033] Example 1, such as Figures 1 to 4 As shown, this utility model provides a bridge erecting machine to improve the safety of bridge installation, including: a guide beam 1 and multiple support sleeves 2; two lifting trolleys 101, slidably disposed on the surface of the guide beam 1; and further including: a front mounting frame 102, slidably disposed on the surface of the guide beam 1, and a rear mounting frame 103 disposed on one side surface of the guide beam 1; two limiting holes 1021, symmetrically disposed on the surface of the front mounting frame 102, a second hydraulic cylinder 1022 disposed on one side surface of the front mounting frame 102, a support seat 1023 disposed at the output end of the second hydraulic cylinder 1022, an anti-slip pad 1024 disposed symmetrically on the surface of the support seat 1023, and a limiting rod 1025 disposed symmetrically on the side surface of the support seat 1023 away from the anti-slip pad 1024.

[0034] In this embodiment, when the hydraulic cylinder 202 inside the support sleeve 2 on the surface of the front frame 102 and the rear frame 103 is working, it drives the support foot 203 to move and contact the ground to complete the positioning work. When the front frame 102 moves, it is positioned with the help of the middle support leg. When the front frame 102 is positioned, the hydraulic cylinder 1022 works to drive the support seat 1023 to move down, so that the anti-slip pad 1024 contacts the ground. In conjunction with the limiting rod 1025, it performs the limiting work along the inside of the limiting hole 1021, thereby providing auxiliary positioning support for the front end of the guide beam 1, reducing the pressure on the parts and extending the service life.

[0035] In Example 2, two limiting rods 1025 are slidably embedded inside the limiting hole 1021. Multiple support sleeves 2 are evenly divided into groups of two. One group of support sleeves 2 is positioned symmetrically on one side of the front frame 102, and the other group is positioned symmetrically on one side of the rear frame 103. Hydraulic cylinders 202 are installed inside the multiple support sleeves 2. Support feet 203 are installed at the output ends of the multiple hydraulic cylinders 202. A trapezoidal frame 1031 is installed on the surface of the rear frame 103. The inner wall of the frame 1031 at the symmetrical position has slots 1032. Guide shafts 1033 are fixedly installed on the inner wall of the two slots 1032. Mounting plates 1034 are installed on the surface of the trapezoidal frame 1031 at the symmetrical position. Drive motors 1035 are installed on the surface of the two mounting plates 1034. Rewinding reels 1036 are installed at the output end of the two drive motors 1035. Steel cables 1037 are wound inside the two rewinding reels 1036. One end of the two steel cables 1037 is fixedly installed on the surface of the guide beam 1 at the symmetrical position.

[0036] In the embodiment, the trapezoidal frame 1031 supports the mounting plate 1034, when the driving motor 1035 on the surface of the mounting plate 1034 works, the winding disc 1036 winds the steel cable 1037, the steel cable 1037 is guided along the surface of the guide shaft 1033 in the slot 1032, the side of the guide beam 1 is assisted and positioned, and the stability of the equipment is improved.

[0037] Working principle: in use, when the hydraulic cylinder one 202 in the sleeve 2 inside the front mounting frame 102 and the rear mounting frame 103 surface works, the supporting leg 203 is driven to move and contact the ground to complete the positioning work, when the front mounting frame 102 moves, the middle supporting leg is positioned, when the front mounting frame 102 completes the positioning, the hydraulic cylinder two 1022 works, the supporting seat 1023 is driven to move downward, the anti-skid pad 1024 contacts the ground, the limiting rod 1025 is limited along the inside of the limiting hole 1021, thereby the front end of the guide beam 1 is provided with auxiliary positioning support, the pressure of the parts is reduced, the service life is prolonged, in addition, the trapezoidal frame 1031 supports the mounting plate 1034, when the driving motor 1035 on the surface of the mounting plate 1034 works, the winding disc 1036 winds the steel cable 1037, the steel cable 1037 is guided along the surface of the guide shaft 1033 in the slot 1032, the side of the guide beam 1 is assisted and positioned, and the stability of the equipment is improved.

[0038] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms, any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application.

Claims

1. A bridge erecting machine for improving the safety of bridge installation, comprising: The guide beam (1) and a plurality of support sleeves (2); Two lifting trolleys (101) are slidably arranged on the surface of the guide beam (1); characterized in that it further comprises: A mounting front frame (102) is slidably arranged on the surface of the guide beam (1), and one side surface of the guide beam (1) is provided with a mounting rear frame (103); Two limiting holes (1021) are arranged on the surface of the mounting front frame (102) in a symmetrical manner, one side surface of the mounting front frame (102) is provided with a hydraulic cylinder two (1022), an output end of the hydraulic cylinder two (1022) is provided with a support seat (1023), the surface of the support seat (1023) is provided with a non-slip pad (1024) in a symmetrical manner, and the surface of the support seat (1023) away from the non-slip pad (1024) is provided with a limiting rod (1025) in a symmetrical manner.

2. The bridge erecting machine of claim 1, wherein: Two limiting rods (1025) are slidably arranged in the limiting holes (1021), and a plurality of support sleeves (2) are evenly divided into a group two by two.

3. The bridge erecting machine of claim 2, wherein: One group of support sleeves (2) is arranged on the symmetrical surface of one side surface of the mounting front frame (102), and the other group of support sleeves (2) is arranged on the symmetrical surface of one side surface of the mounting rear frame (103).

4. The bridge erecting machine of claim 3, wherein: A plurality of hydraulic cylinders one (202) are arranged in the plurality of support sleeves (2), and support feet (203) are arranged at the output ends of the plurality of hydraulic cylinders one (202).

5. The bridge erecting machine of claim 4, wherein: The surface of the mounting rear frame (103) is provided with a ladder-shaped frame (1031), and a notch (1032) is arranged in the inner wall of the symmetrical surface of the ladder-shaped frame (1031).

6. The bridge erecting machine of claim 5, wherein: Two guide shafts (1033) are fixedly arranged on the inner walls of the two notches (1032), and mounting plates (1034) are arranged on the surfaces of the symmetrical surfaces of the ladder-shaped frame (1031).

7. The bridge erecting machine of claim 6, wherein: Two drive motors (1035) are arranged on the surfaces of the two mounting plates (1034), and winding discs (1036) are arranged at the output ends of the two drive motors (1035).

8. The bridge erecting machine of claim 7, wherein: Steel cables (1037) are wound in the interiors of the two winding discs (1036), and two ends of the two steel cables (1037) are fixedly arranged on the surfaces of the symmetrical surfaces of the guide beam (1).

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