{"id":274,"date":"2024-08-27T14:13:39","date_gmt":"2024-08-27T13:13:39","guid":{"rendered":"https:\/\/streetcrane.development-visionsharp.co.uk\/?page_id=274"},"modified":"2025-06-11T14:02:09","modified_gmt":"2025-06-11T13:02:09","slug":"wire-rope-hoists","status":"publish","type":"page","link":"https:\/\/streetcrane.development-visionsharp.co.uk\/es\/hoists\/wire-rope-hoists\/","title":{"rendered":"Electric Wire Rope Hoists (ZX)"},"content":{"rendered":"\r\n\r\n
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\r\n Electric Wire Rope Hoists (ZX) <\/h1>\r\n
\r\n Lifting capacities up to 80 tonnes <\/div>\r\n
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The Street ZX Hoist: Our All-Purpose Workhorse with Genuine Differences.<\/p>\r\n

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The first generation Street ZX electric wire rope hoist was first developed in the late 1990s and very quickly became the best selling hoist product that Street has ever produced, firmly establishing us as a global hoist manufacturer. The unique design developed a strong reputation for reliability and endurance, with an unparalleled record in a vast range of applications and environments worldwide.<\/p>\n

Every function of our latest generation ZX hoist has been reviewed and a whole series of innovations applied to provide new levels of user-friendliness and performance. The result is an easy to operate, high endurance hoist incorporating state-of-the-art technology.<\/p>\n <\/div>\r\n

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ZX hoist key features<\/h2>\n <\/div>\n
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\n Extra hoist brake safety<\/span>\n
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On a conventional hoist, the brake acts on the hoist motor shaft, but in such an arrangement the brake cannot hold the load in the event of the failure of the motor shaft, motor coupling or motor connection. ZX hoists do hold the load in all of the above cases because they are designed with the brake mounted on the hoist gearbox. This braked gearbox arrangement will hold the load even if the hoist motor is removed and it has the further benefit of lower motor operating temperatures because the heat generated by the brake does not soak into the motor.<\/div>\n <\/div>\n
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\n No external hoist gears<\/span>\n
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The ZX solution for extra reliability and low lifetime cost is to eliminate open gears in the hoist transmission. We achieve this with fully hardened and ground hoist gear submerged in an oil bath inside a substantial hoist gearbox. Others drive the hoist drum via a pinion and spur ring outside the gearbox which might provide the lowest upfront cost. However failure to maintain good grease lubrication of external gearing can result in expensive repairs.<\/div>\n <\/div>\n
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\n Hand brake release<\/span>\n
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Conventional hoists do not have a hand brake release but there are circumstances when the ability to lower a load without power to the brake is crucial, hence it is standard on ZX hoists.<\/div>\n <\/div>\n
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\n Unique solution to prevent \u2018slack rope\u2019 failures<\/span>\n
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When unloaded, the stiffness of wire rope creates a de-coiling force which can pull rope through a single band rope guide, causing it to be slack in the scroll. If this occurs the fluid can collide with the slack rope, damaging rope and \/or guide. The ZX solution is a unique double band rope guide, in which a rotating inner band clamps the rope to the drum and prevents it from pulling through. The inner band rotates in and is guided by a static outer band, resulting in the elimination of failures due to slack rope.<\/div>\n <\/div>\n
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\n Unique fail-safe hoist drum<\/span>\n
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All ZX6 and ZX8 hoists have a continuous shaft through the hoist drum, plus specifically designed drum retention flanges. This arrangement ensures that should the drum fail the rope will be retained by the shaft and conversely should the shaft fail, the retention flanges will retain the drum and shaft.<\/div>\n <\/div>\n
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\n Additional protection against overloading <\/span>\n
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ZX hoists have a unique torque arm capacity restrictor between gearbox and hoist frame which senses the total load transmitted by the hoist mechanism, not just the load on the ropes. The device not only protects against an operator accidentally attempting a load greater than capacity, but also protects against an overload caused by impedance of hoist rotation. It does not rely on measuring motor current which can vary due to other factors.<\/div>\n <\/div>\n
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\n Unique electrical specification and protection <\/span>\n
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ZX hoists are available with certification to CE or to both CSA and UL standards Quick release plug and socket connections are standard and all panel wiring is identified with termination connection reference. Every hoist is equipped with an \u2018hours in service meter\u2019 continuously recording the total running time since commissioning<\/div>\n <\/div>\n
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\n Variable speed drive<\/span>\n
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Variable frequency drive (VFD) is standard on the trolley and programmed for ramp and hold with a two-position controller. This allows the operator to start at micro-speed and ramp up towards full speed, with the ability to hold any speed in between. Alternatively, the standard controls are simple to program for two pre-set speeds.<\/div>\n <\/div>\n
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\n Heavy duty external hoist motor<\/span>\n
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The ZX hoist motor is mounted externally for optimum cooling and maximum accessibility. Motor insulation is a minimum of Class F and overheating protection in the windings is standard. The motor is duty rated strictly in accordance with hoist classification and protected against ingress of dust particles and water in accordance with IP55 (NEMA 3R).<\/div>\n <\/div>\n <\/div>\n
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The ZX Range<\/h2>\n <\/div>\n <\/div>\n
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ZX low headroom electric wire rope hoist with single monorail trolley<\/h3>\n

Capacities up to 15 tonnes.<\/h4>\n
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This extensive range of low headroom monorail hoists are mounted on a single trolley with four flangeless wheels and guide rollers, designed to run on the bottom flange of a single beam or girder. A reaction roller precludes the need for a counterweight thus reducing the wheel loads. This construction provides a higher top hook position in a restricted headroom compared to a hoist of standard headroom construction.<\/span><\/p>\n

The following unique features enhance safety, performance and reliability or reduce lifetime costs by enabling inspection and service tasks to be executed in less time.<\/span><\/p>\n