US3695564A - Thermo-electromechanical multi-function support device - Google Patents

Thermo-electromechanical multi-function support device Download PDF

Info

Publication number
US3695564A
US3695564A US64320A US3695564DA US3695564A US 3695564 A US3695564 A US 3695564A US 64320 A US64320 A US 64320A US 3695564D A US3695564D A US 3695564DA US 3695564 A US3695564 A US 3695564A
Authority
US
United States
Prior art keywords
piping
motor
actuating means
lever
response
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US64320A
Other languages
English (en)
Inventor
Leonard S Suozzo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3695564A publication Critical patent/US3695564A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
    • F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction

Definitions

  • the actuating means includes a rigid member connected at one end to the piping at the first location and a lever pivotally connected to the piping at the second location and to the other end of the rigid member.
  • the coupling means is variable in effective length and is connected at one end to the lever and at its other end to a stationary support.
  • the coupling means includes an electric motor which is cooperatively associated with the lever. The parts are so constructed and arranged that increments of movement of the actuating means cause corresponding variations in the effective length of the coupling means.
  • This invention relates in general to a device for properly and effectively supporting and/or controlling movement of piping or other equipment that is subject to changes in position due to variations in its thermal condition.
  • the subject device is multi-functional in that it may beneficially serve in a wide variety of capacities, depending on specific applications, and may be advantageously employed, by way of example, as:
  • the device of this invention is intended for use with piping or other equipment that is subject to changes in position due to variations in thermal condition.
  • the device comprises two basic means, namely actuating means, adapted to be secured to the piping at spaced first and second locations and to move relative to the piping in response and in direct proportion to said variations in thermal condition, and coupling means connected to the actuating means and adapted to be connected to a stationary support.
  • the actuating means includes a rigid member, which is adapted to be pivotally connected to the piping at said first location, and a lever, which is pivotally connected to the rigid member and is adapted to be pivotally connected to the piping at said second location.
  • the coupling means is adjustable in length and is connected at one end to the lever and is adapted to be connected at its other end to a stationary support.
  • the coupling means includes an electric motor which is cooperatively associated with the lever.
  • This invention has for a further object the provision of a device of the character indicated having its parts so constructed and arranged that increments of movement of the actuating means produce corresponding, but greatly increased, changes in the effective length of the coupling means.
  • a still further object of this invention is to provide a device of the character indicated that is capable of properly supporting and/or positioning very heavy piping loads.
  • the drawing contains a single view in side elevation of a device of this inventioncooperatively associated with piping.
  • piping section 1 is part of a piping system employed in a high temperature power plant. It is not uncommon in modern power plants to utilize piping systems to transmit steam at temperatures in excess of 1,000 F and at pressures greater than 1,500 pounds per square inch. Such systems require adequate support to allow and compensate for movement of the piping due to normal expansion and contraction of the metal thereof.
  • the inventive device includes a bracket 3 which is secured at a first location to piping section 1 by a weldment 4.
  • the bracket has an upstanding arm 5.
  • a second bracket 6 is secured to the piping section at a second location, which is spaced from bracket 3, by a like weldment 7.
  • This bracket also has an upstanding arm 8.
  • a housing unit 9 includes a rear wall 10 that is attached to bracket arm 8 by bolts 11.
  • the housing unit also includes side and front walls (not shown) and is provided at the top with a tubular, upwardly projecting extension, a portion of which is indicated at 12.
  • the device also includes actuating means that is comprised of a rigid member 13 and a lever 14.
  • the rigid member includes a first rod which is provided at one end with a clevis 16 and which is threaded at its other end, as indicated at 17.
  • the clevis is connected to the upper end of bracket arm 5 by a pivot pin 18.
  • the rigid member also includes a second rod 19 which is provided with a clevis 20 at one end and is threaded, as indicated at 21, at its other end.
  • Clevis 20 is joined to lever 14 by a pivotpin 22.
  • a turnbuckle 23 engages the threaded ends 17 and 21 of the rods andserves to adjust the overall length of rigid member 13, as required at the time of installation.
  • Lever I4 is pivoted at its lower end to bracket arm 8 by a pivot pin 24 and at its upper end to a link 25 by a pivot pin 26.
  • a switch arm 27 is pivotal relative to housing wall 10, as indicated at 28. This arm is connected intermediate its ends to the other end of link 25 by a pivot pin 29.
  • Switch arm 27 is an element of an arrangement of electrical devices which include a reversible electric motor 30 that is affixed to housing wall 10 by bolts or the like 31.
  • the motor includes a rotary shaft 32 which carries a pinion 33.
  • the electrical devices also include a plurality of switch contacts C, through C that are equi-spaced and arranged along an arc of a circle. Each switch contact is connected to the motor and is adapted to successively make and break electric contact with switch arm 27, depending on the angular position of the switch arm. When the parts are in the illustrated relative position, switch arm 27 is out of contact with the switch contacts and is at a position to the left of contact C As a result, motor 30 is out of active service.
  • the motor When arm 27 makes contact with an individual switch contact, the motor is activated.
  • the arrangement of electrical devices is such that the motor is activated so that its shaft 32turns a predetermined number of revolutions each time arm 27 engages a switch contact.
  • Motor shaft 32 rotates in one direction in response to pivotal movement of arm 27 in a clockwise direction and in a reverse direction in response to pivotal movement of arm 27 in a counter-clockwise direction.
  • Pinion 33 meshes with a gear 34 which is carried by and is rotatable with a screw member 35.
  • the screw member is supported for rotation in a bearing 36 and extends through a wall of a tubular casing 37 that is welded to housing wall as indicated at 38.
  • a support block 39 Positioned within the casing is a support block 39.
  • a thrust bearing 40 is interposed between the lower end of screw member 35 and block 39.
  • the screw member is operatively associated with a nut member 41. Screw member 35 and nut member 41 are elements of a motion converting mechanism.
  • a pair of oppositely disposed, upwardly projecting, arcuate members 42 Secured to the sides member 41, preferably by we1ding, is a pair of oppositely disposed, upwardly projecting, arcuate members 42.
  • a plate 43 is positioned between and welded to the upper ends of members 42.
  • the tubular extension is equipped with a pair of switches 44 and 45 which are connected to motor 30.
  • Members 42 carry a pair of oppositely projecting lateral pins 46 and 47 which register with corresponding vertical slots in portion 12 of the tubular extension. These pins serve the multiple functions of indicating vertical travel of the piping section and preventing rotational movement of nut member 41 relative to screw member 35 while permitting movement of the nut member along the screw member.
  • Pin 47 serves the additional function of actuating switches 44 and 45 to closed condition, depending on the position of this pin at a particular time.
  • Nut member 41, members 42 and plate 43 are in the nature of a cage.
  • a telescopic cover 48 is mounted on nut member 41 and protective
  • the device further includes connector means, generally indicated by numeral 50, which'comprises a pair of rods 51 and 52 that are threaded, as shown, and are interconnected by a turnbuckle 53 for adjusting its length at the time of installation.
  • Rod 51 is pivotally connected by a pin 54 to a bracket 55 which is anchored to a stationary overhead support, such as a beam 56, by bolts or the like 57.
  • Rod 52 extends through a tap (not shown) in plate 43 and is secured thereto by a weldment 58.
  • the illustrated construction effects lowering of the piping by increments of distances corresponding to, but greater than, increments of elongation of the piping between brackets 3 and 6.
  • the parts are so designed and arranged that the piping is moved the calculated or actual distance it would normally move due to temperature increase from cold condition to hot condition. It will be manifest that the device both supports the piping and causes it to move to its calculated or actual normal position in response to variations in the temperature of the piping.
  • the temperature of the piping gradually reduces from l,O F to the ambient temperature of about 70 F and the piping contracts.
  • Such contraction of the piping causes the device to operate in a reverse manner, thereby causing the piping to assume its calculated or normal position at all times during cooling.
  • motor 30 is reversible and the arrangement of electrical devices is such that the motor rotates in one direction during heating of the piping and in a reverse direction during cooling thereof.
  • Switch 44 is actuated by pin 47 to place the motor out of service when the piping reaches and so long as the piping is at its lower travel limit.
  • Switch 45 is actuated by pin 47 to likewise place the motor out of service when the piping reaches and so long as it is at its upper travel limit.
  • a device for use with equipment, such as piping, that is subject to changes in position resulting from expansion or contraction due to variations in its thermal condition comprising:
  • actuating means adapted to be secured to the piping at spaced first and second locations and to move relative to the piping as the piping expands or contracts in response and in direct proportion to said variations in thermal condition, said actuating means comprising:
  • a lever pivotally connected to the rigid member and adapted to be pivotally connected to the piping at said second location, said lever being operatively associated with the means for placing the motor into and out of active service;
  • coupling means operably connected to the actuating means and adapted to be connected to a stationary support, said coupling means including:
  • connector means adapted to be connected to the stationary support
  • electric motor means interposed between and coacting with the actuating means and the connector means, said electric motor means comprising:
  • ii means for placing the motor into and out of active service in response to predetermined increments of movement of the actuating means.
  • a device according to claim 1 wherein the means for placing the motor into and out of active service comprises:
  • a device for use with equipment such as piping
  • actuating means adapted to be secured to the piping at spaced first and second locations and to move relative to the piping as the piping expands or contracts in response and in direction proportion to said variations in thermal condition;
  • coupling means operably connected to the actuating means and adapted to be connected to a stationary support, said coupling means including:
  • connector means adapted to be connected to the stationary support
  • means for replacing the motor into and out of active service in response to predetermined increments of movement of the actuating means, said means for placing the motor into and out of active service comprising:

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supports For Pipes And Cables (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
US64320A 1970-08-17 1970-08-17 Thermo-electromechanical multi-function support device Expired - Lifetime US3695564A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6432070A 1970-08-17 1970-08-17

Publications (1)

Publication Number Publication Date
US3695564A true US3695564A (en) 1972-10-03

Family

ID=22055125

Family Applications (1)

Application Number Title Priority Date Filing Date
US64320A Expired - Lifetime US3695564A (en) 1970-08-17 1970-08-17 Thermo-electromechanical multi-function support device

Country Status (6)

Country Link
US (1) US3695564A (cg-RX-API-DMAC10.html)
JP (1) JPS5313809B1 (cg-RX-API-DMAC10.html)
CA (1) CA939656A (cg-RX-API-DMAC10.html)
DE (1) DE2122296C3 (cg-RX-API-DMAC10.html)
FR (1) FR2101385A5 (cg-RX-API-DMAC10.html)
GB (1) GB1273967A (cg-RX-API-DMAC10.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3517688C2 (de) * 1984-11-27 1987-01-22 Mannesmann AG, 4000 Düsseldorf Haltevorrichtung für eine Rohrleitung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2945656A (en) * 1957-06-12 1960-07-19 Grinnell Corp Constant support hangers
US3033506A (en) * 1960-07-26 1962-05-08 Leonard S Suozzo Motor-actuated suspension type support device
US3905415A (en) * 1973-02-13 1975-09-16 Renault Method of casting parts of high melting point metal in molds

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2945656A (en) * 1957-06-12 1960-07-19 Grinnell Corp Constant support hangers
US3033506A (en) * 1960-07-26 1962-05-08 Leonard S Suozzo Motor-actuated suspension type support device
US3905415A (en) * 1973-02-13 1975-09-16 Renault Method of casting parts of high melting point metal in molds

Also Published As

Publication number Publication date
JPS5313809B1 (cg-RX-API-DMAC10.html) 1978-05-12
CA939656A (en) 1974-01-08
GB1273967A (en) 1972-05-10
DE2122296B2 (de) 1977-10-27
DE2122296C3 (de) 1978-06-15
FR2101385A5 (cg-RX-API-DMAC10.html) 1972-03-31
DE2122296A1 (cg-RX-API-DMAC10.html) 1972-02-24

Similar Documents

Publication Publication Date Title
US4484568A (en) Overheat emergency outfocus mechanism for solar energy collector
US4154221A (en) Tracking system for solar energy collection
US2317490A (en) Window regulator
KR101428814B1 (ko) 스윙 플랩을 갖는 큰 도관 단면들을 위한 셧-오프 시스템
US3809186A (en) Mechanical shock and sway arrestor
US4817912A (en) Bi-metal operator for smoke, fire and air control damper
US3637176A (en) Thermomechanical multifunction support device
US3695564A (en) Thermo-electromechanical multi-function support device
US4424796A (en) Wind-powered heat-generating apparatus
US3161739A (en) Level and position sensing switch and indicating apparatus for piping or the like
US1885053A (en) Electric control system and apparatus
US3539136A (en) Thermo-mechanical multi-function support device
US1835907A (en) Automatic damper control
US2146751A (en) Industrial furnace and the like
US3446998A (en) Bimetallic power controlled actuator
US2845503A (en) Power means for driving a rotary shaft
US3217118A (en) Position sensing apparatus
US2962249A (en) Constant support hangers
US2993670A (en) Motor operated hanger
GB909111A (en) Load supporting hanger
CN108916455B (zh) 具有两屏互换结构的电液联动执行器
US2965343A (en) Motor actuated pipe hanger and positioner
US3461736A (en) Electromechanical actuator
US1782530A (en) Combination control switch
US2975996A (en) Motor driven positioner