Steel Prefabricated Bailey Emergency Bridge/steel Emergency Bridge

Patent advantages of Jiangsu Zhonghai Bridge Equipment Co., Ltd.

Jiangsu Zhonghai Bridge Equipment Co., Ltd. has made remarkable achievements in technological innovation and patent applications. These patents have not only enhanced the company's technical strength, but also enhanced its competitiveness in the market. The following are some of the company's key patents and their advantages:

1. **A truss welding processing tool**
- **Patent name**: A truss welding processing tool
- **Patent number**: CN 221833700 U
- **Application date**: January 2024
- **Patent abstract**: The utility model discloses a truss welding processing tool, including a bottom plate and a movable seat and a fixed seat connected to the top of the bottom plate, the movable seat and the fixed seat are connected to a support frame for truss support, the support frame is connected to a positioning mechanism for truss positioning, and the support frame is connected to a driving mechanism for driving the support frame to rotate. The tool can realize multi-angle flipping of the truss, facilitate welding operations, effectively avoid deflection of the truss during welding, and improve welding quality.

2. **Production process of assembled highway steel bridge**
- **Patent name**: Production process of assembled highway steel bridge
- **Patent type**: Invention patent
- **Patent summary**: This patent involves the production process of assembled highway steel bridge (Bailey bridge), which ensures the high quality and consistency of the product. Through advanced production technology, the company is able to quickly produce and assemble Bailey bridges to meet the needs of different customers.

3. **Multiple utility model patents**
- **Number of patents**: The company currently has 29 valid utility patents and 2 invention patents, and another 12 patents are being applied for.
- **Patent content**: These patents cover many aspects of bridge equipment manufacturing, including welding technology, structural design, automated production, etc., ensuring that the company maintains a leading position in technological innovation.

4. **International market recognition**
- **Export situation**: The company's products have been exported to more than 20 countries and regions including Russia, Canada, Southeast Asia, etc., and have won wide recognition in the international market.
- **Patent Advantage**: Through continuous technological innovation and patent applications, the company has not only improved product quality, but also enhanced its competitiveness in the international market.

Summary
Jiangsu Zhonghai Bridge Equipment Co., Ltd. has significantly improved its technical strength and market competitiveness in the field of bridge equipment manufacturing through continuous R&D investment and patent applications. These patents have not only improved production efficiency and product quality, but also won wide recognition for the company in domestic and foreign markets. Through continuous innovation, the company will continue to maintain its leading position in the industry and provide high-quality products and services to global customers.

Specifications:

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CB321(100) Truss Press Limited Table
No.	Lnternal Force	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	DDR	SSR	DSR	TSR	DDR
321(100)	Standard Truss Moment(kN.m)	788.2	1576.4	2246.4	3265.4	1687.5	3375	4809.4	6750
321(100)	Standard Truss Shear (kN)	245.2	490.5	698.9	490.5	245.2	490.5	698.9	490.5
321 (100) Table of geometric characteristics of truss bridge(Half bridge)
Type No.	Geometric Characteristics	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	DDR	SSR	DSR	TSR	DDR
321(100)	Section properties(cm3)	3578.5	7157.1	10735.6	14817.9	7699.1	15398.3	23097.4	30641.7
321(100)	Moment of inertia(cm4)	250497.2	500994.4	751491.6	2148588.8	577434.4	1154868.8	1732303.2	4596255.2

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CB200 Truss Press Limited Table
NO.	Internal Force	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	QS	SSR	DSR	TSR	QSR
200	Standard Truss Moment(kN.m)	1034.3	2027.2	2978.8	3930.3	2165.4	4244.2	6236.4	8228.6
200	Standard Truss Shear (kN)	222.1	435.3	639.6	843.9	222.1	435.3	639.6	843.9
201	High Bending Truss Moment(kN.m)	1593.2	3122.8	4585.5	6054.3	3335.8	6538.2	9607.1	12676.1
202	High Bending Truss Shear(kN)	348	696	1044	1392	348	696	1044	1392
203	Shear Force of Super High Shear Truss(kN)	509.8	999.2	1468.2	1937.2	509.8	999.2	1468.2	1937.2

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CB200 Table of Geometric Characteristics of Truss Bridge(Half Bridge)
Structure	Geometric Characteristics
	Geometric Characteristics	Chord Area(cm2)	Section Properties(cm3)	Moment of Inertia(cm4)
ss	SS	25.48	5437	580174
	SSR	50.96	10875	1160348
DS	DS	50.96	10875	1160348
	DSR1	76.44	16312	1740522
	DSR2	101.92	21750	2320696
TS	TS	76.44	16312	1740522
	TSR2	127.4	27185	2900870
	TSR3	152.88	32625	3481044
QS	QS	101.92	21750	2320696
	QSR3	178.36	38059	4061218
	QSR4	203.84	43500	4641392

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Advantage

Possessing the features of simple structure,
convenient transport, speedy erection
easy disassembling,
heavy loading capacity,
great stability and long fatigue life
being capable of an alternative span, loading capacity