Strainsert Co. - Item # RCP-2.250 B, RCP/SCP Series, Standard Force Sensing Shackle Bolts

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All Categories > Force Sensing Clevis Pins & Bolts > RCP/SCP Series, Standard Force Sensing Shackle Bolts > Item # RCP-2.250 B  
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Item # RCP-2.250 B RCP/SCP Series, Standard Force Sensing Shackle Bolts


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Order Number Description Supplier

RCP-2.250 B

RCP/SCP Series, Standard Force Sensing Shackle Bolts

Strainsert Co.




Features · Dimensional Drawing · Specifications · Performance Specs · Electrical Specifications · General Information

Features
For Crosby or Skookum Anchor & Chain Shackles

Features of Strainsert Load Sensing Clevis Pins

  • Easy Installation: RCP and SCP models replace standard Crosby or Skookum shackle bolts/pins respectively
  • Precise Load Sensing: Complete strain gage bridge circuit bonded and sealed inside small hole along longitudinal axis of Bolt, by exclusive Strainsert process.
  • Rugged: Due to self protecting nature of strain gage installation sealed inside small holes. Proven immune to harsh environment.
  • Accuracy: Strainsert Load Sensing Clevis Bolts have combined error due to repeatability and non-linearity of less than 1% of rated load typically.

    Note: All Shackle Load Pins are also available for Chain Shackles

    Model RCP-1.000-B shown with Anchor Shackle



    		•

    Dimensional Drawing

    Dimensional Drawing

    RCP/SCP Series, Standard Force Sensing Shackle Bolt
    RCP/SCP Series, Standard Force Sensing Shackle Bolt

    		RCPdim page14

    larger image

    Specifications

    Shackle Size

    		2 Inch

    Load Capacity

    		65000 lb

    Dp - Nominal Shackle Bolt Diameter

    		2.250 in

    AE - Shackle Opening

    		3.25 in

    AE - Tolerance ±

    		0.13 in

    BC - Width of Shackle Ear/D (Nominal)

    		2.25 in

    C - Clevis Bolt Head Diameter

    		2.750 in

    H - Inside Length of Shackle (Nominal)

    		7.75 in

    R - Outside Diameter of Shackle Ear (Nominal)

    		4.81 in

    T - Thread Size

    		1-3/4-16 UNF

    Bolt Type

    		Bolt Type Anchor Shackle

    Performance Specs

    Overload without Zero Shift

    		150%

    Overload without Failure

    		300% (Minimum)

    Bridge

    		Full bridge 350 Ohm (Nominal)

    Excitation

    		12 V AC (Maximum)
    12 V DC (Maximum)

    Output Signal1

    		2-mv/V (Nominal)

    Non-Repeatability

    		±0.15% FS (Nominal)

    Non-Linearity

    		±0.50% FS (Nominal)

    Hysteresis

    		±0.50% FS (Nominal)

    Service Temp Range

    		to 150 °F

    Temp Effects (on Zero)

    		0.005% FS / °F (Nominal)

    Temp Effects (on Output)

    		0.008% load / °F (Nominal)

    Zero Balance

    		±2% FS (Nominal)

    Material

    		Stainless Steel 17-4, H-1025 (Standard)

    Electrical Connection

    		6-Pin receptacle or built-in cable

    Calibration

    		CAL5-LO
    1 Exact output provided with calibration data. In place calibration check is recommended. (Standardized outputs are optional)


    Electrical Specifications

    Receptacle

    		PTIH-10-6P

    Mating Plug

    		PT06A-10-6S (SR)

         Function

    		Pin

         (+) Excitation

    		A

         (-) Excitation

    		D

         (+) Signal

    		B

         (-) Signal

    		C

    Cable

    		#20(26x34) AWG., rubber insulation, shielded, rubber jacket, 4-Conductor (Standard Cable)

         Function 

    		Wire Code

         (+) Excitation 

    		Red

         (-) Excitation 

    		Black

         (+) Signal 

    		Green

         (-) Signal 

    		White

    General Information
    The Load Sensing Clevis Pin or Bolt is another unique strain gage transducer developed by Strainsert (U.S. PatentNo. 3,695,096). It utilizes the internal strain gage process perfected by Strainsert over the last 40 years and used sosuccessfully in Strainsert Bolts, and Flat Load Cells®. The Force Sensing Clevis Pin offers precision force measurementby simply replacing existing shear pins, clevis bolts, shear axles, etc. and many other types of pinned joints.

    The internally gaged clevis pin is typically a double-shear arrangement with two shear planes (please see More Images Box - "Clevis Pin with Two Shear Planes"), however, cantilever load pins with a single shear plane are also available.

    Typically, force P is applied at the center of the pin and the pin is supported at each end (P/2) by the Clevis.The strain gages are sealed inside small axial holes and are positioned at two locations at the Clevis to Clevis Eyeinterfaces. In order to sense only those strains which are induced by the shear forces at these two sections, thegages are positioned and oriented with great precision, at a neutral plane relative to one specific direction of pinforce. The four strain gages (two at each location) are electrically connected to form a full bridge, the signal fromeach gage being additive so that the bridge output is proportional to the sum of the forces transmitted by the shearplanes of the pin. The circuit typically includes temperature compensation, signal trim (optional) and balanceresistors terminating in a suitable connector socket or integral cable, and potted with a sealing compound insidethe gage hole for enhanced environmental protection.

    If the force F is applied to the pin at other than the specified direction, the theoretical bridge output will be due tothe component of the force along the sensitive direction, i.e. F cos X (please see More Images Box - "Force F Direction"). Therefore, typical pins incorporatean anti-rotation device for proper alignment .

     MORE IMAGES 

    · Clevis Pin with Two Shear Planes

    · Force F Direction

     DOWNLOADS 

    width= Strainsert Force Calibration Service
    (PDF, 407KB)

    width= Clevis Pin Installation
    (PDF, 479KB)

     Renewal Parts 


    page100

    Standard Cable

    PT1H-10-6P

    PT1H-10-6P
    Transducer Receptacles

    More available...

     Accessories 


    Clevis Bolt Threaded Collar

    1-3/4-16SS
    Clevis Bolt Threaded Collar

    Clevis Pin Bobbins

    SCP-2.250-S
    Clevis Pin Bobbin

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    Contact Strainsert
    For information on load pins, force sensing bolts, load cells, tension links, signal conditioners or our high quality custom products, Contact Us for further assistance.