Industrial design of lifting beams and accessories

Motorised Inclination Spreader Beam

Motorised Inclination Spreader Beam designed and made by CIPAL

The motorised inclination spreader beam is a high-precision lifting device. CIPAL designs and manufactures it to order for the most demanding civil engineering sites. It lifts and tilts large concrete half-arches from a horizontal position up to 45°. Each movement is thus performed with full control for the assembly of complete arches on site.

Palonnier motorisé d'inclinaison conçu et fabriqué par CIPAL

Motorised inclination beam — motorised central trolley

Its motorised central trolley moves the slings from one side of the beam to the other. It thus tilts the half-arch progressively and in a controlled manner. Two hydraulic cylinders then provide fine adjustment of the inclination during the final phase. The on-board generator powers the hydraulic power unit and control system. The motorised spreader beam is therefore completely energy-autonomous on site.

Palonnier motorisé d'inclinaison conçu et fabriqué par CIPAL

A hydraulic power unit with dual safety

The hydraulic power unit integrates two motor pumps, a main and a standby. It thus ensures continuity of operations in demanding site conditions. The operator controls all movements remotely via a proportional radio remote control. Each movement is consequently controlled with precision to protect the integrity of the concrete components being handled.

CIPAL integrates civil engineering-specific constraints from the design phase onwards. Traceability requirements and regulatory compliance are furthermore an integral part of every development. The engineering department sizes each spreader beam according to the application’s constraints. It takes into account component geometry, positioning tolerances and on-site operating conditions. Every unit is moreover delivered with a complete technical file: operating instructions, structural calculations and CE marking.

Technical Specifications

 

  • Safe Working Load (SWL): 75,000 kg
  • Design standard: NF EN 13155 compliant, safety factor of 2 on load-bearing components
  • Design life: 15 years — 13,200 cycles (4 cycles/day, 220 days/year)
  • Inclination angle: 0° to 45°, nominal movement time approximately 10 minutes
  • Inclination mechanism: Central trolley with hydraulic chain drive
  • Fine adjustment: 2 hydraulic cylinders between spreader and crane slings
  • Power supply: On-board generator, thermal engine and alternator
  • Hydraulic power unit: 2 motor pumps (main + standby), proportional distributor
  • Controls: Proportional radio remote control with joysticks, emergency stop and fault indicators
  • Crane attachment: 4 wire rope slings on double hook
  • Load interfaces: Lower shackles adapted to half-arch lifting points

 

Applications

 

  • Lifting and tilting of concrete half-arches for complete arch assembly
  • Handling of heavy precast components on civil engineering sites
  • Lifting operations requiring complete on-site energy autonomy
  • Civil engineering structures, tunnels and large-span infrastructure projects
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