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What's the difference between wood grabbing machine and steel grabbing machine?

Date of issue: 2020-07-02 Author: Luzhou Libang Metal Structure Co., Ltd Click:

Introduction of grab steel

Steel grabbing machine, as its name implies, refers to the machine that grasps steel material, which is evolved from hydraulic excavator for its more targeted operation. Steel grabbing machine Forearm and forearm Commonly known as the grab arm is generally long, and its front end is a steel grabber, that is, the gripper, also known as plum blossom hydraulic grab and orange petal grab. Its main function is to grab and load various materials such as waste metal, industrial waste, crushed stone, construction waste and domestic waste. It is widely used in scrap recovery plant, major steel mills, metallurgy, port, wharf, scrap steel treatment center and other industries.


Type of steel grabbing machine

  • Wheel type steel grabbing machine: it is characterized by flexibility, low environmental requirements, and can meet the requirements of changing sites; the electric power system and diesel system have dual systems, energy saving and environmental protection, and low cost; it can be equipped with different specifications and models of boom and grab; the lifting cab can meet the demand of material grasping field, greatly improve the work efficiency; the hydraulic system can greatly improve the product performance and operation Reliability; compact arrangement of internal hydraulic device, high safety performance and strong stability.

  • Fixed steel grabbing machine: it features low investment cost; it can customize the operation radius according to the site requirements to meet the needs of different sites; the power system provides power, energy saving and environmental protection, with low cost; it can be equipped with different specifications and models of boom and grab; it adopts hydraulic system to greatly improve product performance and operation reliability The internal hydraulic device is compact in arrangement and adopts imported accessories, which has high safety performance and strong stability, low labor cost and high production efficiency.


 Professional production and processing excavator bucket.jpg


Introduction of wood grabbing machine

Wood grabbing machine is a kind of wood grabbing machine, which is generally evolved from hydraulic excavator. The biggest difference between wood grabbing machine and ordinary excavator lies in the difference of front-end working device, that is, different working purposes: the big and small arms of ordinary excavators are generally short, and the front end is the bucket, which is mainly used for excavation and loading operations; the big and small arms of wood grabbing machine, commonly known as "grab arm", are generally longer, and their shape and structure are also different from those of ordinary excavators Its main function is to carry out loading and unloading of timber, timber, reed, straw and various strip materials.


Type of steel grabbing machine

There are many kinds of wood grabbing tools, such as mechanical, hydraulic, hydraulic, and those with rotation function and without rotation function. At present, the general domestic ones are hydraulic ones with rotation function.

  • Hydraulic rotary grab

Main components: base + rotating functional part (rotating motor, rotating gear) + grabbing functional part (hydraulic cylinder, claw)

Advantages: it can grasp in all directions and directions with high efficiency.

Trouble, maintenance is expensive. In addition, because the rotary motor and the grab cylinder use a set of hydraulic source respectively, two more sets of liquid pipes should be arranged on the excavator arm. If there is no reserved valve port on the main hydraulic pump valve of the engine, you have to add the valve port by yourself, which is more troublesome to install.

  • Mechanical grab

Main components: base + linkage claw

Advantages: low price, simple structure, driven by bucket cylinder, no need to lay additional hydraulic pipe. The installation and maintenance are simple and convenient.

Disadvantages: it can only be grasped in a single direction, and can only be adjusted by rotation or walking of excavator.

If the arrangement of wood is reasonable, it is better to use mechanical method

  • Hydraulic grab has no rotation function

The principle is a bit similar to the principle of hydraulic rotary grabber. Without the hydraulic motor, there is only one pin on the base. The bucket cylinder can be used to supply oil to drive the grab cylinder. The grasping direction is single, but it can have a large grasping closed area.



 Customized matching of plum blossom grab of steel grabbing machine.jpg


What's the difference between wood grabbing machine and steel grabbing machine?


1. Different concepts: Steel grabbing machine refers to the machine that grasps steel material, which is evolved from hydraulic excavator. Wood grabbing machine, as the name implies, is the machine that grabs wood. It is evolved from hydraulic excavator.


2. Different functions: the main function of the wood grabber is to load, unload and transport wood, reed, straw and various strip materials. The main function of steel grabbing machine is to grab and load various materials such as waste metal, industrial waste, crushed stone, construction waste and domestic waste.


3. The price is different.


Precautions for purchasing excavator type wood grabber:


1. According to the scope of work to choose wood grabber equipment. Half of the timber market is the most common log transport vehicles are more than 9 meters of high hurdle cars and 13 meters of flat two kinds of vehicles in the transportation, because of the national regulations on transport vehicles is basically not more than 5 meters high, 13 meters of flat cars because there is no outside barrier restrictions, the general loading and unloading height of more than 4 meters 6 wood grabbing machine can be normal loading and unloading.


2. According to whether you need to change the field frequently for a long time, there are two kinds of wood grabbing machine equipment in the market, one is mechanical walking, the other is hydraulic walking, and the other is mechanical walking type. As the name implies, the wood grabbing machine has a gearbox transmission mechanism to change gears, and the hydraulic walking mode is like automatic transmission mode.


3. The hydraulic walking wood grabbing machine is easy to operate, but the moving speed of the vehicle is slow, so it can not be transferred for a long time. The hydraulic oil temperature is easy to rise and the maintenance cost is relatively high in the later stage. It is more suitable for individual users or enterprises with higher investment budget.


Luzhou Libang Metal Structure Co., Ltd. is specialized in the production and processing of excavators' positive dippers Backhoe of excavator Plum blossom grab of steel grabbing machine And various metal structure products processing.

Luzhou Libang Metal Structure Co., Ltd

Telephone: 0830-3582313

Mobile phone: 13708288818, Mr. Wang

Mobile phone: 13320786717

Address: Section 2, Xinyang Road, high tech Zone, Luzhou City, Sichuan Province






Website: http://hongfamenye.com/news/398.html

Related label: Shell grab of grab , Shell grab of coal grab , Grab of wood Grabber , Positive bucket, reverse bucket and complete set of operation equipment

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