TOWER CRANE QTZ4 hydraulic tower crane with swing top, horizontal jib and mobile trolley

TOWER CRANE QTZ4 hydraulic tower crane with swing top, horizontal jib and mobile trolley System 1

TOWER CRANE QTZ4 hydraulic tower crane with swing top, horizontal jib and mobile trolley

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Loading Port:: Qingdao

Payment Terms:: TT or LC

Min Order Qty:: 1 unit

Supply Capability:: 6 unit/month

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The tower crane is a hydraulic tower crane with swing top, horizontal jib and mobile trolley. It has the hoisting moment for400Kn.m;the maximum hoisting load of 4t and the maximum working radius of 48m.The hoisting height of anchoring tower crane is 29.7m and that of climbing tower crane is 90m.

The tower crane has ingenious design, beautiful shape and simple structure .It is easy to operate and maintain, and is safe and at a reasonable price .It is an ideal construction machines for construction enterprises. It has hoisting mechanism, swing mechanism, top-rising mechanism and radius mechanism, which can work individually or cooperatively to make a high efficiency. The top-rising mechanism is used to raise or lower tower. The hoisting mechanism has 3-speed electronic motor respectively for high, medium and slow hoisting speeds. It has flexible swing mechanism and radius mechanism and slewing mechanism for vertical and /or horizontal transportation of building materials in one time.

The tower crane has complete and sensitive protection devices such as hoisting weight limiter, hoisting moment limiter, hoisting height limiter, radius limiter and swing limiter to ensure of regular operation. It also has rest platform, guardrail and other protection devices. Driver’s cab is at a side of rib and has big space and wide visual field.

The tower crane has excellent performance and is suitable for hoisting in short civil or industrial buildings or loading or unloading in ports or goods yards

The products of Huaxia Group are your best choices of construction machines.

Name			Unit	Parameter
				QTZ40A(TC4807)
Nominal hoisting moment			kN.m	400
Max. hoisting weight			t	4
Rated hoisting weight at jib nose			t	0.71
Working radius			` m	2.5-48
Height		Anchoring	m	29.7
		Climbing	m	90
Hoisting speed		Magnification		a=2			a=4
		Hoisting speed	m/min	8	34	52	4	17	26
		Hoisting weight	T	2	2	1	4	4	2
Swing speed			r/min	0--0.6
Radius changing speed			r/min	33/16.5
Top rising speed			r/min	0.7
Tower crane weight	Net weight (anchoring)		t	19.4(19.9)
	Ballast weight		t	6.3
	Total weight (anchoring)		t	25.7(26.2)
Working swing radius			m I	48
Rear swing radius			m	12.8
Max. working wind speed			m/s	20
Max. wind speed for top rising			m/s	13
Ambient temperature			℃	-20 -- 40

Figure 1-2 Technical Parameters of Main Parts

Name				Parameter
				QTZ40A(TC4807)
Hoisting mechanism	Electric motor	Model		YZS200L1-4/6/24
		Power	Kw	15/15/4
		Rev	r/min	1440/960/220
	Brake	Model		YWZ-300/45
		Brake moment	N.m	450
		Hydraulic propeller		YTl-45
	Reducer	Model		JZQ500
		Dia.	mm	500
		Reduction ratio		15.75
	Steel Cable			6×37-11-1670-I-smooth-rightward twist
Swing mechanism	Motor	Model		YZR132M2-6
		Power	kW	3.7
		Rev	R/min	908
	Hydraulic coupler			YOX-280A
	Reducer	Model		XX4-80
	Swing bearing			HSW.32.1220
Radius mechanism	Motor	Model		YD112M-8/4
		Power	kW	1.5/2.4
		Rev	R/min	700/1410
	Reducer	Model		WCJ-120
		Reduction ratio		38
	Steel cable			6×19-6.2-1570-I-smooth-rightward twist
Top rising mechanism	Motor	Model		Y100L2-4 B5
		Power	kW	3

TOWER CRANE QTZ4 hydraulic tower crane with swing top, horizontal jib and mobile trolley

Q:How often should the crane be inspected regularly?: Tower cranes, elevators, mobile cranes 1 times a year, including rubber tyred container gantry crane every 2 years 1; small light lifting equipment, bridge crane, gantry crane, gantry crane, cable crane, crane mast, railway crane, jib crane, mechanical parking equipment every 2 years 1, the crane annual molten metal and hot metal 1.Rules for periodical inspection of lifting machineryArticle 1 These rules are formulated in accordance with the regulations on the supervision of special equipment safety and the regulations on the supervision of crane safety.Article second of the rules from the regular inspection of heavy machinery, is often used in hoisting machinery maintenance unit (hereinafter referred to as the foundation of the self inspection and maintenance), by the State Administration of Quality Supervision Inspection and Quarantine (hereinafter referred to as the State Quality Inspection Administration) special equipment inspection agency approved (hereinafter referred to as the inspection agency) according to the rules, to incorporate the use of registration in the inspection of crane.Article third these rules apply to lifting machinery within the scope stipulated in the regulations on safety supervision of special equipment. All the hoisting machines included in the catalogue of special equipment shall be inspected regularly."No" included in the catalogue of special equipment installation supervision and inspection and the implementation form of hoisting machinery factory, direct delivery unit, for use in pre registration by the local inspection agencies in accordance with the rules of the test items and their contents, requirements and methods for inspection of the equipment before using test (i.e., referred to as the first examination), qualified rear can be used for registration. For the first inspection of hoisting machinery, see Appendix A.

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