CN215252359U

CN215252359U - Highway overpass external drain pipe erection equipment

Info

Publication number: CN215252359U
Application number: CN202120729567.8U
Authority: CN
Inventors: 曹彦龙; 冯红鹰; 张锁平; 赵小虎; 吕勇杰
Original assignee: First Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
Current assignee: First Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-21
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses an external drain pipe erection equipment of highway overpass bridge, including underframe 1, the underframe 1 outside two minutes respectively vertically be equipped with 3# member 13, every 3# member 13 is connected with 2# member 12 that crosses the top surface of the overpass guardrail integrally, every 2# member 12 is connected with 1# member 11 that is located the inside of the overpass guardrail integrally, respectively fixedly connected with intermediate connecting rod 2 between the corresponding both ends of two 2# members 12; the middle part of each 1# rod piece 11 is provided with an inner side limiting travelling wheel 3 positioned on the inner side of the cross line guardrail, the upper part of each 3# rod piece 13 is provided with an outer side limiting travelling wheel 4 positioned on the outer side of the cross line guardrail, and the middle part of each 2# rod piece 12 is provided with a top surface travelling wheel 5 supported on the top surface of the cross line guardrail; one 3# rod piece 13 is provided with a crawling ladder 6 which leads to the bottom frame 1. The device is light in weight, convenient and flexible to operate, high in safety and suitable for installation of the external drain pipe of the overpass bridge and the pipeline outside the guardrail of the main bridge.

Description

Highway overpass external drain pipe erection equipment

Technical Field

The utility model relates to a highway overpass bridge construction technical field specifically is an external drain pipe erection equipment of highway overpass bridge, mainly used highway overpass bridge flange plate below and the installation construction of web outside drain pipe.

Background

The external drainage pipes of the highway overpass are positioned below the flange plates of the overpass and outside the web plates, and generally cannot be installed by adopting hoisting equipment such as a crane and the like; the installation of the external drainage pipe of the overpass needs to be carried out by adopting a mode of erecting a scaffold below the overpass, but the mode of erecting the scaffold is long in time consumption, low in construction efficiency and high in safety risk, so that a new drainage pipe of the overpass needs to be adopted for installing construction equipment, the construction efficiency is improved, the construction cost is reduced, potential safety hazards are reduced, and good economic benefits are brought.

Disclosure of Invention

Because the external drain pipe of overline bridge is located overline bridge flange board below and the web outside, adopt hoisting equipment such as crane unable installation, when traditional handicraft installation drain pipe, need adopt the form of setting up full hall support to install the external drain pipe of overline bridge below the overline bridge, but adopt this mode long-consuming time, the efficiency is low, the safe risk is high and inconvenient installation.

The utility model discloses a solve the external drain pipe erection construction problem of overline bridge, provide a novel external drain pipe erection equipment of highway overline bridge.

The utility model discloses an adopt following technical scheme to realize:

an external drain pipe installation device for an expressway overpass bridge comprises a bottom frame positioned below a flange plate of the overpass bridge, wherein 3# rod pieces are respectively and vertically arranged at two corners of the outer side of the bottom frame, each 3# rod piece is integrally and vertically connected with a 2# rod piece crossing the top surface of an overpass guardrail, each 2# rod piece is integrally and vertically connected with a 1# rod piece positioned at the inner side of the overpass guardrail, and an intermediate connecting rod is respectively and fixedly connected between the corresponding two ends of the two 2# rod pieces; the middle part of each 1# rod piece is provided with an inner side limiting travelling wheel positioned on the inner side of the cross line guardrail, the upper part of each 3# rod piece is provided with an outer side limiting travelling wheel positioned on the outer side of the cross line guardrail, and the middle part of each 2# rod piece is provided with a top surface travelling wheel supported on the top surface of the cross line guardrail; a crawling ladder leading to the bottom frame is arranged on the side of one 3# rod piece.

When the device is used, after the construction of the overpass guardrail is completed, two sets of installation equipment of the external drainage pipes of the overpass of the expressway are installed on the overpass guardrail under the manual cooperation of a crane, the equipment is manually pushed to the construction position of the external PVC pipes of the overpass by personnel on the bridge floor, and the front and the back of a walking wheel (a No. 2 walking wheel) on the top surface are fixed by a fixed wood wedge; installation operation personnel walk to the operation platform of underframe (protector) through the ladder of crawling on, installation operation personnel stand on operation platform, punch and install inflation screw and staple bolt the fixed position of the external PVC pipe of highway, after that by the artifical installation operation personnel hand that transmits to operation platform of the PVC pipe that needs the installation of highway overline bridge upper portion auxiliary operation personnel, the installation operation personnel coordinate the installation of a PVC pipe of cooperation completion on two equipment, then the bridge is gone up auxiliary operation personnel and is promoted two equipment in proper order to the adjacent next construction position that needs PVC union coupling, and fix highway overline bridge external drain pipe erection equipment with fixed wooden wedge once more. And then punching and installing an expansion screw and a hoop, manually transferring the PVC pipe to complete the installation of the PVC pipe, and sequentially circulating according to the procedures until the installation of the external drainage of the overpass bridge is completed.

The utility model relates to a rationally, promote the structural framework through the manpower, under the coordination of walking wheel, with the effect of reaching the external drain pipe installation of overline bridge, convenient and fast, construction are nimble, and the security is high, is applicable to the installation of the external drain pipe of overline bridge and thread bridge guardrail outside pipeline, has fine practical application and worth.

Drawings

Fig. 1 shows a schematic view of the usage state of the device of the present invention.

Fig. 2 shows a schematic structural view of the apparatus of the present invention.

Fig. 3 shows a schematic structural view of a C-shaped frame.

In the figure: 1-bottom frame, 2-middle connecting rod, 3-inner side limit walking wheel (1 # walking wheel), 4-outer side limit walking wheel (3 # walking wheel), 5-top surface walking wheel (2 # walking wheel), 6-creeping ladder, 7-fixed wooden wedge, 8-bamboo rubber plate, 9-overline bridge flange plate, 10-overline guardrail, 11-1# rod piece, 12-2# rod piece, 13-3# rod piece and 14-external drain pipe.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

An external drain pipe installation device for an expressway overpass bridge is shown in figures 1 and 2 and comprises a bottom frame 1 positioned below a flange plate of the overpass bridge, wherein 3# rod pieces 13 are vertically arranged at two corners of the outer side of the bottom frame 1 respectively, each 3# rod piece 13 is integrally (vertically) connected with a 2# rod piece 12 crossing the top surface of the overpass guardrail, each 2# rod piece 12 is integrally (vertically) connected with a 1# rod piece 11 positioned at the inner side of the overpass guardrail, and an intermediate connecting rod 2 is fixedly connected between the corresponding two ends of each 2# rod piece 12; the middle part of each 1# rod piece 11 is provided with an inner side limiting travelling wheel 3 positioned on the inner side of the cross line guardrail, the upper part of each 3# rod piece 13 is provided with an outer side limiting travelling wheel 4 positioned on the outer side of the cross line guardrail, and the middle part of each 2# rod piece 12 is provided with a top surface travelling wheel 5 supported on the top surface of the cross line guardrail; one 3# rod piece 13 is provided with a crawling ladder 6 which leads to the bottom frame 1.

In specific implementation, the structural frame mainly comprises two C-shaped frames and a middle connecting rod and consists of a steel pipe with the diameter of 50 mm; as shown in fig. 3, the single C-shaped frame includes # 1 bar 11, # 2 bar 12, and # 3 bar 13; the No. 1 rod piece 11 is positioned on the inner side of the guardrail and is 50cm long; the 2# rod piece 12 is positioned above the guardrail and is horizontally arranged, and the length of the 2# rod piece 12 is 10cm longer than each side of the width of the top structure of the guardrail; the top of the 3# rod piece 13 is from the top surface of the overpass guardrail to the lower part of the flange plate of the overpass bridge, the vertical height meets the requirements of construction safety and personnel operation, the bottom of the 3# rod piece 13 is horizontally cold-bent for 1m in the direction close to the web plate of the overpass bridge and is used as a bottom cross beam of the bottom frame 1, and the end of the bottom cross beam is vertically cold-bent upwards for 1.2m in height and is used as a protection upright rod of the bottom frame 1; the joints of the rod pieces are connected by welding, and the external welding joints are welded and reinforced again by the L-shaped connecting rods 21; the L-shaped connecting rod 21 is formed by processing and bending a steel bar with the diameter of 20mm, the angle meets the requirement of the connecting angle of the rod piece, and the length of each side of the L-shaped connecting rod 21 is 20 cm. The joints and the elbows between the C-shaped frames are also welded and reinforced by the middle connecting rods 2, and the middle part of the 3# rod piece 13 is additionally provided with a middle connecting rod 2 for welding and fixing.

As shown in fig. 2, the crawling ladder consists of upright posts and cross bars and is positioned outside the guardrails; the vertical rod consists of two reinforcing steel bars with the diameter of 18mm, the top of the vertical rod is fixedly hung on the middle connecting rod 2 at the top of the outer side of the guardrail through a hook, the bottom of the vertical rod is welded with the bottom frame cross beam, and the length of the vertical rod is equal to the vertical height of the 3# rod piece 11; the cross bar is composed of reinforcing steel bars with the diameter of 18mm, the length of the cross bar is 90cm, the vertical bending lengths of the two sides are 20cm, the middle horizontal length of the cross bar is 50cm, the cross bar is in full-welding connection with the vertical rod, the lap joint length is 20cm, and the cross bar is uniformly arranged on the vertical rod according to 30 cm; the pedestrian ladder 6 is fixed close to the 3# bar 13 of the one-sided C-frame.

As shown in fig. 2, the walking device is composed of a 1# walking wheel (an inner limit walking wheel 3), a 2# walking wheel (a top walking wheel 5), a 3# walking wheel (an outer limit walking wheel 4) and a fixed wooden wedge, wherein the 1# walking wheel is positioned on a 1# rod piece and is positioned 10cm away from the head of the bottom end of the 1# rod piece; the 2# walking wheel is positioned on the 2# rod piece 12 and is positioned in the middle of the 2# rod piece 12; the 3# walking wheels are positioned on the 3# rod piece 13 and are positioned at the position, which is 10cm away from the bottom of the outer side of the guardrail, of the upper part of the 3# rod piece 13; the traveling wheels are installed by adopting U-shaped clamps and bearings, the U-shaped clamps are formed by welding longitudinal rods and transverse shafts, the longitudinal rods are respectively welded and fixed on a No. 1 rod piece 11, a No. 2 rod piece 12 and a No. 3 rod piece 13 of the C-shaped frame, the height of the longitudinal rods is 5cm, and the transverse shafts penetrate through the bearings and are tightly attached to the bearings; the fixed wooden wedges 7 are totally of a triangular structure and are used for supporting the top walking wheels.

The protective device (bottom frame) consists of a peripheral protective and operating platform and is positioned right below the flange plate of the overpass bridge; the peripheral protection is formed by welding a frame steel bar and an oblique steel bar, wherein the frame steel bar (phi 16 mm) is positioned 1.2m above a bottom cross beam of the bottom frame and is fixed by welding; the oblique steel bar (phi 16 mm) is positioned between the frame steel bar and the bottom beam of the bottom frame and is welded and fixed in an oblique and opposite angle way; the operating platform consists of a bottom plate connecting rib and a bamboo plywood, wherein the bottom plate connecting rib (phi 16 mm) is positioned at the upper part of a bottom cross beam of the bottom frame and is horizontally arranged at a distance of 20cm and welded and fixed with the bottom cross beam of the bottom frame; the bamboo plywood is positioned on the upper part of the connecting rib of the bottom plate and is bound and fixed through binding wires.

The working principle is as follows: after the construction of the overpass guardrail is completed, two sets of installation equipment for the external drainage pipes of the overpass of the expressway are installed on the overpass guardrail through a crane under the manual cooperation, the equipment is manually pushed to the construction position of the external PVC pipes of the overpass, and the front and the back of a No. 2 travelling wheel are fixed by using a fixed wood wedge; installation operation personnel walk to protector's operation platform through the pedestrian cat ladder on, installation operation personnel stand on operation platform, punch and install inflation screw and staple bolt to the fixed position of the external PVC pipe of highway, after that by the artifical installation operation personnel hand that transmits the PVC pipe that needs the installation of highway overline bridge upper portion auxiliary operation personnel to operation platform, the installation operation personnel coordinate the installation of a PVC pipe of cooperation completion on two equipment, then the auxiliary operation personnel pushes gradually two equipment to the adjacent next construction position that needs the PVC union coupling on the bridge, and fix highway overline bridge external drain pipe erection equipment with fixed wooden wedge once more. And then punching and installing an expansion screw and a hoop, manually transferring the PVC pipe to complete the installation of the PVC pipe, and sequentially circulating according to the procedures until the installation of the external drainage of the overpass bridge is completed.

The device has the advantages of light weight, convenient and flexible operation and high safety, is suitable for the installation of the external drain pipe of the overpass bridge and the pipeline outside the guardrail of the main line bridge, and has good practical application value. When the external drainage pipe of the highway overpass is installed, the equipment can reduce the construction cost and reduce the construction danger; the installation that is applicable to external drainage of overline bridge.

It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications and applications can be made, and these modifications and applications are also considered as the protection scope of the present invention.

Claims

1. The utility model provides an external drain pipe erection equipment of highway overpass bridge which characterized in that: the cross-line bridge comprises a bottom frame (1) positioned below a flange plate of a cross-line bridge, wherein 3# rod pieces (13) are respectively vertically arranged at two corners of the outer side of the bottom frame (1), each 3# rod piece (13) is integrally connected with a 2# rod piece (12) crossing the top surface of the cross-line guardrail, each 2# rod piece (12) is integrally connected with a 1# rod piece (11) positioned at the inner side of the cross-line guardrail, and an intermediate connecting rod (2) is respectively and fixedly connected between the corresponding two ends of the two 2# rod pieces (12); the middle part of each 1# rod piece (11) is provided with an inner side limiting travelling wheel (3) positioned on the inner side of the cross line guardrail, the upper part of each 3# rod piece (13) is provided with an outer side limiting travelling wheel (4) positioned on the outer side of the cross line guardrail, and the middle part of each 2# rod piece (12) is provided with a top surface travelling wheel (5) supported on the top surface of the cross line guardrail; a crawling ladder (6) leading to the bottom frame (1) is arranged on the side of one 3# rod piece (13).

2. The mounting equipment for the external drainage pipe of the highway overpass bridge according to claim 1, wherein: the length of the two ends of the 2# rod piece (12) is 10cm longer than that of each side of the top surface of the cross guardrail.