Regulation No 55 of the Economic Commission for Europe of the United Nations ... (42010X0828(01))
Regulation No 55 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of mechanical coupling components of combinations of vehicles
- Regulation No 55 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of mechanical coupling components of combinations of vehicles
- 1. SCOPE
- 2. DEFINITIONS
- Figure 1
- Dimensions of the centre axle trailer
- 3. APPLICATION FOR APPROVAL OF A MECHANICAL COUPLING DEVICE OR COMPONENT
- 4. GENERAL REQUIREMENTS FOR MECHANICAL COUPLING DEVICES OR COMPONENTS
- 5. APPLICATION FOR APPROVAL OF A VEHICLE FITTED WITH A MECHANICAL COUPLING DEVICE OR COMPONENT
- 6. GENERAL REQUIREMENTS FOR VEHICLES FITTED WITH A MECHANICAL COUPLING DEVICE OR COMPONENT
- 7. MARKINGS
- 8. APPROVAL
- 9. MODIFICATIONS OF THE MECHANICAL COUPLING DEVICE OR COMPONENT, OR OF THE VEHICLE AND EXTENSION OF APPROVAL
- 10. CONFORMITY OF PRODUCTION PROCEDURES
- 11. PENALTIES FOR NON-CONFORMITY OF PRODUCTION
- 12. PRODUCTION DEFINITELY DISCONTINUED
- 13. TRANSITIONAL PROVISIONS
- 14. NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR APPROVAL TESTS AND OF ADMINISTRATIVE DEPARTMENTS
- ANNEX 1
- COMMUNICATION
- (maximum format: A4 (210 × 297 mm))
- ANNEX 2
- COMMUNICATION
- (maximum format: A4 (210 × 297 mm))
- ANNEX 3
- EXAMPLE OF AN ARRANGEMENT OF THE APPROVAL MARK
- ANNEX 4
- Examples of arrangements of marking of the characteristic values
- ANNEX 5
- Requirements for mechanical coupling devices or components
- 1. COUPLING BALLS AND TOWING BRACKETS
- Figure 2
- Coupling ball of Class A
- Figure 3
- Dimensions of standard flange type ball couplings of Class A50-1 (see Table 2)
- Figure 4
- Dimensions of standard flange type ball couplings of Class A50-2 to A50-5 (see Table 2)
- 2. COUPLING HEADS
- 3. DRAWBAR COUPLINGS
- 3.3. Jaw
- 3.4. Minimum articulation of the coupled drawbar eye
- Figure 5
- Horizontal rotation of the coupled drawbar eye
- Figure 6
- Vertical rotation of the coupled drawbar eye
- Figure 7
- Axial rotation of the coupled drawbar eye
- 3.5. Locking to prevent inadvertent uncoupling:
- 3.6. Hand levers
- Figure 8
- Dimensions of standard drawbar couplings (mm) (see Table 4)
- 4. DRAWBAR EYES
- 4.1. General requirements for drawbar eyes of Class D50:
- Figure 9
- Slotted sleeve for Class D50 drawbar eyes
- Figure 10
- Non-slotted sleeve for Class D50-C drawbar eyes
- Figure 11
- Dimensions of Classes D50-A and D50-X drawbar eyes (see Table 6)
- Figure 12
- Dimensions of Class D50-B drawbar eyes (see other dimensions in Figure 11)
- Figure 13
- Dimensions of Classes D50-C and D50-D drawbar eyes (see other dimensions in Figure 11)
- 4.3. Load values for standard drawbar eyes
- Figure 14
- Dimensions of Class L toroidal drawbar eyes (see Table 8)
- 5. DRAWBARS
- 5.3. Height adjusting devices for hinged drawbars
- 6. DRAWBEAMS
- Figure 15
- Mounting dimensions for standard drawbar couplings (see Table 10)
- 7. FIFTH WHEEL COUPLINGS AND STEERING WEDGES
- 7.1. Suitable fifth wheel coupling pins
- 7.2. Guides
- Figure 16
- Dimensions of standard fifth wheel couplings (see Table 11)
- Figure 16a
- Mounting holes tolerances for class J mounting plates for fifth wheel couplings (see para. 9.1 of this annex)
- 7.3. Minimum articulation of the fifth wheel coupling
- 7.4. Locking devices to prevent uncoupling of fifth wheel couplings
- 7.5. Operating devices or release mechanisms
- 7.6. Surface finish
- 7.7. Load requirements
- 7.8. Steering wedges
- Figure 17
- Dimensions of spring-mounted steering wedges
- 7.9. Special requirements for standard fifth wheel couplings:
- 8. FIFTH WHEEL COUPLING PINS
- Figure 18
- Dimensions of Class H50 fifth wheel coupling pins
- 9. MOUNTING PLATES
- 10. HOOK TYPE COUPLINGS
- 10.1. General requirements for Class K hook type couplings:
- Figure 19
- Dimensions and articulation of Class K hook type couplings
- 10.4. Locking to prevent inadvertent uncoupling:
- 10.5. Hand levers
- 11. DEDICATED DRAWBAR TYPE COUPLINGS — CLASS T
- 12. DEVICES FOR REMOTE INDICATION AND REMOTE CONTROL
- 12.1. General requirements
- 12.2. Remote indication
- 12.3. Remote control
- ANNEX 6
- Testing of mechanical coupling devices or components
- 1. GENERAL TESTING REQUIREMENTS
- 2. TEST PROCEDURES
- 3. SPECIFIC TESTING REQUIREMENTS
- 3.1. Coupling balls and towing brackets
- Figure 20
- Arrangements of ball type towing brackets
- Figure 21
- Angles of application of test force
- Figure 22
- Angles of application of test force
- 3.2. Coupling heads
- Figure 23
- Dynamic test
- 3.3. Drawbar couplings and drawbeams
- 3.3.4. Static test on coupling pin locking device
- 3.4. Drawbar eyes
- 3.5. Hook type couplings
- 3.5.2. Dynamic test:
- 3.5.3. Static test on coupling locking device
- 3.6. Drawbars
- 3.7. Fifth wheel couplings
- 3.7.2. Static tests
- Figure 24
- Lifting test on fifth wheel couplings
- 3.7.3. Dynamic test
- 3.8. Mounting plates for fifth wheel couplings
- 3.9. Fifth wheel coupling pins of semitrailers
- 3.10.1. Introduction
- 3.10.2. Test requirements
- 3.10.3. Test conditions
- 3.10.3.1. Coupling device mounted on stiff support:
- 3.10.3.2. Coupling device mounted on vehicle body or body part:
- 3.10.4. Failure criteria
- ANNEX 7
- INSTALLATION AND SPECIAL REQUIREMENTS
- 1. INSTALLATION AND SPECIAL REQUIREMENTS
- 1.1. Attachment of coupling balls and towing brackets
- Figure 25a
- Clearance space for, and height of, coupling ball — side view
- Figure 25b
- Clearance space for coupling ball — plan view
- 1.2. Attachment of coupling heads
- 1.3. Attachment of drawbar couplings and mounting blocks
- 1.3.2. Need for remote controlled couplings
- 1.3.3. Easy and safe coupling operation
- 1.3.4. Minimum angle for coupling up and uncoupling
- 1.3.5. Accessibility
- 1.3.6. Clearance for the hand lever
- Figure 26
- Hand lever clearance
- 1.3.7. Clearance for free movement of drawbar coupling
- 1.3.8. Acceptability of drawbar couplings with a special joint for vertical rotation — see annex 5, paragraph 3.4.
- 1.4. Attachment of drawbar eyes and drawbars on trailers.
- 1.5. Attachment of fifth wheel couplings, mounting plates and coupling pins on vehicles.
- 2. REMOTE INDICATION AND CONTROL
- Appendix 1
- Loading conditions for measurement of coupling ball height
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