WKZ cone dynamic penetration instument

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WKZ CONE DYNAMIC PENETRATION INSTUMENT
Conical dynamic test is to use a certain hammering kinetic energy to penetrate a certain size of probe into the soil, according to the number of hammering into the soil - a certain depth to determine the stratum cha

Description

WKZ CONE DYNAMIC PENETRATION INSTUMENT
Conical dynamic test is to use a certain hammering kinetic energy to penetrate a certain size of probe into the soil, according to the number of hammering into the soil - a certain depth to determine the stratum characteristics and load-bearing capacity and other parameters.
WKZ conical dynamic detector is slippery pin type. It consists of heavy hammer, guide rod (hammer rod or piercing rod), hammer base, lifter, contact probe and sling. It can be divided into three types: light type, heavy type and super heavy type.
The heavy hammer falls off freely with the penetrating rod and is in a state of free falling.
It has a light and reliable down-grab and up-release slide pin lifter to ensure accurate drop distance.
Specially made short and flexible spring hammer rod, which is flexible and convenient to use.
Set up security organs such as hammer hook, which are safe and reliable during the test.
Multi-purpose hammer: hammer touch probe, standard penetrator, soil collector. >WGZ standard penetration tester
Standard penetration test uses 63.5 kg automatic drop hammer with a drop distance of 76 cm. The standard penetrator's bottom height is first hit 15 cm deep, and then the number of hammers (standard penetration number) which continue to hit 30 cm is recorded. The test method for evaluating the properties of foundation soil layer is based on the number of hammers.
The hardness of WGZ-1 standard penetrator is above HRC 40, and the surface roughness is less than 6.3um.
Specification size: D51 x 35 x 700 mm (outer diameter x inner diameter x length) meets the relevant national standards

Model		Light	Heavy	Over heavy
Hammer	Hammer weight(kg)	10+/-0.2	63.5+/-0.5	120+/-1.0
Hammer	Falling height(cm)	50+/-2	76+/-2	100+/-2
Probe	Diameter(mm)	40	74	74
	Section(cm2)	13	43	43
	Conic angle	60	60	60
Probe rod	Diameter(mm)	25	42/50	50
Probe rod	Weight per meter(kg)	<3	<8	<12