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Shanghai Shuoguan Testing Equipment Co., Ltd

  • E-mail

    626106025@qq.com

  • Phone

    13321998658

  • Address

    B310, 588 Zhuyuan Road, Minhang District, Shanghai

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Which is a good car for drop hammer deflection detection

NegotiableUpdate on 01/18
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Overview

The SG-FWD vehicle mounted drop hammer deflection detection vehicle is a testing instrument developed by Shuoguan Company mainly for road strength measurement. The development of this product is based on the Danish Dynatest8000 series drop hammer deflection instrument, which absorbs the technical advantages of JILS, Carl bro and other products, and combines the characteristics of China's roads and the actual needs of detection institutions.

Product Details

Vehicle mounted drop hammer deflection detection vehicleWorking principle:

The SG-FWD series drop hammer deflection detection vehicle is a testing instrument mainly developed for road strength measurement. The development of this product is based on the Danish Dynatest8000 series drop hammer deflection instrument, which absorbs the technical advantages of JILS, Carl bro and other products, and combines the actual needs of road characteristics and detection institutions in China.

The working principle of the drop hammer deflectometer is as follows: after lifting the weight to the set height through a hydraulic system, the weight is released and undergoes free fall motion, impacting the bearing plate placed on the tested road surface, causing a certain amount of deformation on the tested road surface. At the same time, the data acquisition controller collects the ground deformation measured by the deflection sensor in close contact with the road surface and the impact force measured by the load sensor; The system can also collect air temperature, road surface temperature, asphalt temperature, and GPS data from measuring points.

Vehicle mounted drop hammer deflection detection vehicleProduct Category:

  • SG-FWD-SV single point vehicle mounted drop hammer deflectometer

  • SG-FWD-MV multi-point vehicle mounted drop hammer deflectometer

System functions and performance indicators:

  • Automatic detection of deflection value

  • Automatic conversion function for load height

  • Location positioning of measurement points based on DMI/GPS (optional)

  • Automatic detection of environmental temperature, surface temperature, and asphalt temperature (optional)

  • System Failure Analysis

  • System security self-locking

  • Automatic normalization processing of detection data and calculation of conversion coefficient with Beckman beam data

  • Single point deflection, representative deflection, modulus back calculation (multi-point) report output

  • Evaluation of board detachment and joint load transfer (multi-point)

  • manual operation

  • Professional data processing software that can directly generate road deflection detection reports, raw data reports, etc

Main technical parameters table of SG-FWD series car mounted drop hammer deflectometer

Preface

Equipment or configuration name

Specifications

1

Falling hammer deflectometer


1.1

Quality of the drop hammer system

450kg

1.2

Hammer lifting method

Hydraulic lifting hammer

1.3

power supply method

Directly provided by the generator of the carrier vehicle

1.4

Single point testing time

25~30s

1.5

Type of deflection sensor

Magnetic electric speed sensor (Sensor brand)

1.6

Bending range

-2500μm~+2500μm

1.7

Number of deflection sensors

1,5,7 optional

1.8

Bending test accuracy

Better than 2%

1.9

Bending resolution

0.1μm

1.10

Type of load sensor

Strain gauge force sensor

1.11

Large load

150kN (expandable to 250kN)

1.12

Load range

12~150kN

1.13

Load pulse shape

half-sine wave

1.14

Load testing accuracy

Better than 2%

1.15

Load resolution

0.1kN,1kPa

1.16

Temperature sensor type

Platinum resistance/infrared

1.17

temperature range

-50~100℃

1.18

Temperature measurement accuracy

0.5%

1.19

Temperature resolution

0.1℃

1.20

DMI measurement accuracy

0.1%

1.21

DMI resolution

0.1m

1.22

Loading disk format

A 4-point fan-shaped disk with a diameter of 300mm

1.23

GPS定位精度

Within ± 1 meter horizontally

1.24

Front end display

Pile and sound prompts for driver reference

1.25

Self balancing system

Ensure the balance between the rising and falling of the hammer system

2

Portable computer


3

Random software


3.1

runtime environment

Windows XP, Win7, Win8 systems

3.2

Data collection software


3.3

Data analysis and processing


4. Carrying vehicles

The FWD series drop hammer type deflection detection vehicle drop hammer system is designed as an independent whole, which can flexibly adapt to various load-bearing chassis, including trailer chassis and on-board chassis, while ensuring system reliability and maximizing customer needs for load-bearing vehicles.

There are many load-bearing vehicles that can be selected for the SG-FWD drop hammer deflection detection vehicle, including brands such as Mercedes Benz, Datong, Transit, Iveco, New Generation, Ruifeng, etc. The types include commercial vehicles, pickup trucks, etc. We recommend users to choose the following models:

SAIC Group has introduced the MAXUS V80 from the British commercial vehicle company, which adopts front wheel drive. The deflection beam of the drop hammer deflectometer can be easily installed at the bottom of the vehicle, and the drop hammer system can be installed between the two axles. The overall weight distribution of the vehicle is scientific, and the operation of the vehicle is safer. It effectively solves the problems of uneven weight distribution, rear axle exceeding limit, folding deflection beam and other defects caused by the installation of the drop hammer deflectometer on rear axle drive vehicles; The car is a diesel model.

MAXUS V80 Vehicle Technical Parameters

Vehicle Name:

inspection vehicle

Total weight (Kg):

3200

Vehicle category:

Professional engineering vehicle

Curb weight (kg):

2740

Vehicle type:

SH5030XJCA3D4

Rated passenger capacity (person):

4-12

Chinese brand:

Datong brand

Approach angle/departure angle:

26/17,26/14

Manufacturer:

Shanghai Automotive Commercial Vehicle Co., Ltd

Wheelbase (mm):

3100

Engine model:

SC25R120Q4 SC25R136Q4

Number of axes:

2

Engine displacement:

2499

Number of tires:

4

Dimensions (length/width/height):

4950×1998×2132

Front wheelbase:

1734

Engine manufacturer:

Shanghai Diesel Engine Co., Ltd

Engine power:

88

Front suspension/rear suspension:

865/985,865/1195

Number of fragments:

-/2

Axle load:

1360/1840

Release date:

20111020

Tire specifications:

205/75R16C,215/75R16C,215/75R16LT

According to the standard:

GB18352.3-2005 National IV

GB3847-2005

Rear wheelbase:

1728