WO2020194586A1 - 円形ハンドルの回転操作機構 - Google Patents

円形ハンドルの回転操作機構 Download PDF

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Publication number
WO2020194586A1
WO2020194586A1 PCT/JP2019/013264 JP2019013264W WO2020194586A1 WO 2020194586 A1 WO2020194586 A1 WO 2020194586A1 JP 2019013264 W JP2019013264 W JP 2019013264W WO 2020194586 A1 WO2020194586 A1 WO 2020194586A1
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Prior art keywords
circular handle
rotation operation
roller
handle
circular
Prior art date
Application number
PCT/JP2019/013264
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English (en)
French (fr)
Japanese (ja)
Inventor
広徳 本田
健司 柴
健 奈須
博史 松下
Original Assignee
株式会社石井工作研究所
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 株式会社石井工作研究所 filed Critical 株式会社石井工作研究所
Priority to JP2021508536A priority Critical patent/JP7220357B2/ja
Priority to PCT/JP2019/013264 priority patent/WO2020194586A1/ja
Publication of WO2020194586A1 publication Critical patent/WO2020194586A1/ja

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20—Movable barrages; Lock or dry-dock gates

Definitions

  • a water gate shutter, a valve, or the like is interposed in the middle of a pipe for water supply and drainage of purified water, and an operation handle for interlocking with these to open and close is provided.
  • the present invention relates to a rotation operation mechanism of a circular handle configured so that these handles can be easily operated when the device is circular and planar.
  • the operation part is a circular steering wheel and is configured in a circular vertical orientation like a driving handle of an automobile
  • the steering wheel can be relatively easily opened by rotating a rotating member locked from the front-rear direction on the spokes of the steering wheel. It can rotate (see, for example, Patent Document 1).
  • a belt as a rotating body is crimped to the outer peripheral edge of a flat handle, and the handle is rotated in a plane by friction between the belt and the handle using the rotational driving force of the belt.
  • a method of forcibly rotating the handle by rotating while sandwiching the upper and lower surfaces of the grip portion of the handle with the upper and lower holding bodies can be considered.
  • the rotary roller is arrangably pressure-welded to the lower side surface of the peripheral edge of the circular handle, and the left and right side receiving rollers are pressure-welded to the outer peripheral side surface of the circular handle, and the left and right side receiving rollers are constant in the left-right direction from the rotating roller.
  • a rotation operation mechanism that is arranged while maintaining a distance and rotates the outer peripheral edge portion of the circular handle by the surface frictional force of these two types of rollers.
  • the present invention is composed of a rotation operation main body mounted on a support frame with adjustable vertical position and a tilt operation frame projecting from the rear end of the support frame, and is supported via a club function by stepping on the rear end of the tilt operation frame.
  • a circular handle configured such that the frame is tilted rearward and the rotating roller in the rotating operation body is pressed against the lower side surface of the peripheral edge of the circular handle so that the circular handle rotates via the rotating roller by the roller drive mechanism built in the rotating operation body.
  • the rotation operation main body is intended to provide a rotation operation mechanism of a circular handle, which is composed of a rotation roller provided on the lower side surface of a peripheral edge portion of the circular handle so as to be pressure-contactable.
  • left and right side receiving rollers are provided on the outer peripheral side surface of the circular handle so as to be press-contactable via the left and right side arms while maintaining a certain distance in the left-right direction from the rotating roller.
  • the base ends of the left and right arm with the left and right receiving rollers pivotally supported at the tip are pivotally supported by the support frame, so that the pressure contact position between the left and right receiving rollers provided at the tip and the outer peripheral side surface of the circular handle can be changed to the left or right. It is characterized by being configured.
  • the distance between the left and right side receiving rollers can be adjusted by making the distance between the left and right side arms axially supported by the left and right side receiving rollers adjustable.
  • a spring is interposed between the flange protruding from the rotation operation body and the spring receiver fixed to the support frame so that the elasticity of the spring acts as a buffer for the vertical movement of the rotation operation body. It is characterized by that.
  • the rotating roller when the rotating roller is in contact with the lower side surface of the peripheral edge of the circular handle, the rear end of the tilting operation frame projecting rearward from the lower part of the support frame is configured to float, and the weight of the operator is placed on the raised tilting operation frame. It is characterized in that the rotating roller is raised by using the lever function and is pressed against the circular handle from below.
  • the rotating roller provided on the lower side surface of the peripheral edge of the circular handle and the left and right side receiving rollers on the outer peripheral side surface of the circular handle are each characterized in that the surfaces are coated with urethane rubber.
  • the rotating roller that is pressed against the lower surface of the peripheral edge of the circular handle is interlocked with the roller drive mechanism of the rotation operation body, and the roller drive mechanism is composed of a battery, a motor controller, a control unit, an electric DC motor, a switch, and the like. It is characterized by.
  • the rotation operation main body is mounted on the support frame so that the vertical position can be adjusted, and the tilt operation frame is projected from the rear end of the support frame.
  • the support frame is tilted rearward via the lever function by stepping on the circular handle, and the rotary roller in the rotary operation body is pressed against the lower side surface of the peripheral edge of the circular handle, and the roller drive mechanism built in the rotary operation body makes a circle via the rotary roller.
  • the rotation operation main body is composed of a rotation roller provided on the lower side surface of the peripheral edge of the circular handle so as to be pressure-contactable, and further holds a constant distance in the left-right direction from the rotation roller.
  • the left and right side receiving rollers are arranged so that they can be pressure-welded to the outer peripheral side surface of the circular handle, and the left and right side receiving rollers are pivotally supported by the tips of the left and right side receiving rollers. Since it is composed of two types of rollers, the rollers can be reliably pressed against the outer peripheral edge of the circular handle to obtain a sufficient frictional force, and the effect is that the rotation operation of the circular handle can be easily performed. is there.
  • the rotating roller when performing the rotation operation of the circular handle, the rotating roller is made to face the lower position of the circular handle, and the tilting operation frame is stepped on to incline the support frame to the rear side.
  • the rotating roller is pressed against the lower side surface of the peripheral edge of the circular handle, and the left and right receiving rollers at the tips of the left and right arms are pressed against the outer peripheral side surface of the circular handle.
  • the left and right side receiving rollers are in a state of being pressed against the outer peripheral side surface of the circular handle while maintaining a certain distance around the rotating roller, when the rotating roller that is pressed against the lower side surface of the peripheral edge of the circular handle rotates, the rotating roller and the rotating roller It is possible to prevent the rotating roller from being inadvertently misaligned due to the rotational reaction force generated with the circular handle.
  • the base ends of the left and right arm supporting the left and right side receiving rollers at the tips are pivotally supported by the support frame so that the left and right receiving rollers and the outer peripheral side surface of the circular handle are provided at the tips.
  • the distance between the left and right side receiving rollers is adjustable by making the distance between the left and right side arms pivotally supported by the tip of the left and right side receiving rollers adjustable.
  • the rollers can be pressed against the outer peripheral side surface of the circular handle while maintaining a predetermined interval.
  • the pressure contact position with respect to the outer peripheral side surface of the circular handle is biased to the left and right while maintaining the predetermined interval, and the reaction force is applied. There is an effect that the circular handle can be smoothly rotated.
  • a spring is interposed between the flange protruding from the rotation operation main body and the spring receiver fixed to the support frame, and the elasticity of the spring causes the rotation operation main body to move up and down.
  • the rear end of the tilting operation frame projecting rearward from the lower part of the support frame is configured to float and floats.
  • the surfaces of the rotary roller provided on the lower side surface of the peripheral edge of the circular handle so as to be pressure-contactable and the left and right side receiving rollers on the outer peripheral side surface of the circular handle so as to be pressure-contactable are coated with urethane rubber. This has the effect of increasing the coefficient of friction and generating a quick and reliable rotational stress on the circular handle.
  • the rotating roller pressed against the lower side surface of the peripheral edge of the circular handle is interlocked with the roller drive mechanism of the rotation operation main body, and the roller drive mechanism includes a battery, a motor controller, a control unit, and an electric direct current. Since it is composed of a motor and a switch, the rotation operation mechanism of the circular handle is compact, the transportation work can be smoothly performed, and there is an effect that reliable operation can be promoted by a simple operation.
  • FIG. 1 It is an overall perspective view which shows the structure of the rotation operation mechanism of the circular handle which concerns on this invention. It is an exploded perspective view which shows the structure of the rotation operation mechanism of the circular handle which concerns on this invention. It is a front view which shows the structure of the rotation operation mechanism of the circular handle which concerns on this invention. It is a side view which shows the structure of the rotation operation mechanism of the circular handle which concerns on this invention. It is a rear view which shows the structure of the rotation operation mechanism of the circular handle which concerns on this invention. It is a top view which shows the structure of the rotation operation mechanism of the circular handle which concerns on this invention, and the contact state with a circular handle.
  • FIG. 5 is a partially enlarged side sectional view showing a contact state between the rotation operation mechanism of the circular handle and the circular handle according to the present invention.
  • FIG. 5 is a schematic partially enlarged side view which shows the contact state between the rotation operation mechanism of a circular handle which concerns on this invention, and a circular handle.
  • It is a schematic explanatory drawing which shows the operation relationship between the rotary roller and the left-right side receiving roller which concerns on this invention, and the rotational direction of a circular handle.
  • the gist of the present invention is composed of a rotation operation main body mounted on a support frame with adjustable vertical position and a tilt operation frame projecting from the rear end of the support frame, and a lever function is provided by stepping on the rear end of the tilt operation frame.
  • the support frame is tilted rearward, the rotating roller in the rotating operation body is pressed against the lower side surface of the peripheral edge of the circular handle, and the circular handle is rotated via the rotating roller by the roller drive mechanism built in the rotating operation body.
  • the rotation operation main body is intended to provide a rotation operation mechanism of a circular handle, which is composed of a rotation roller provided on the lower side surface of a peripheral edge portion of the circular handle so as to be press-contactable.
  • left and right side receiving rollers are provided on the outer peripheral side surface of the circular handle so as to be press-contactable via the left and right side arms while maintaining a certain distance in the left-right direction from the rotating roller.
  • the base ends of the left and right arm with the left and right receiving rollers pivotally supported at the tip are pivotally supported by the support frame, so that the pressure contact position between the left and right receiving rollers provided at the tip and the outer peripheral side surface of the circular handle can be changed to the left or right. It is characterized by being configured.
  • the distance between the left and right side receiving rollers can be adjusted by making the distance between the left and right side arms axially supported by the left and right side receiving rollers adjustable.
  • a spring is interposed between the flange protruding from the rotation operation body and the spring receiver fixed to the support frame so that the elasticity of the spring acts as a buffer for the vertical movement of the rotation operation body. It is characterized by that.
  • the rotating roller when the rotating roller is in contact with the lower side surface of the peripheral edge of the circular handle, the rear end of the tilting operation frame projecting rearward from the lower part of the support frame is configured to float, and the weight of the operator is placed on the raised tilting operation frame. It is characterized in that the rotating roller is raised by using the lever function and is pressed against the circular handle from below.
  • the rotating roller provided on the lower side surface of the peripheral edge of the circular handle and the left and right side receiving rollers on the outer peripheral side surface of the circular handle are each characterized in that the surfaces are coated with urethane rubber.
  • the rotating roller that is pressed against the lower surface of the peripheral edge of the circular handle is interlocked with the roller drive mechanism of the rotation operation body, and the roller drive mechanism is composed of a battery, a motor controller, a control unit, an electric DC motor, a switch, and the like. It is characterized by.
  • FIG. 1 is an overall perspective view showing the configuration of the rotation operation mechanism
  • FIG. 2 is an exploded perspective view showing the configuration of the rotation operation mechanism
  • FIG. 3 is a front view showing the configuration of the rotation operation mechanism
  • FIG. 4 is a configuration of the rotation operation mechanism.
  • 5 is a rear view showing the configuration of the rotation operation mechanism
  • FIG. 6 is a plan view showing the configuration of the rotation operation mechanism and the contact state with the circular handle
  • FIG. 7 is a configuration of the rotation operation mechanism and the circular handle.
  • FIG. 8 is a partially enlarged side sectional view showing a contact state between the rotation operation mechanism and the circular handle
  • FIG. 9 is a schematic partially enlarged side view showing a contact state between the rotation operation mechanism and the circular handle.
  • FIG. 10 is a schematic side view showing a procedure for installing the rotation operation mechanism on the circular handle.
  • the rotation operation mechanism A of the circular handle 100 generally constitutes a substantially vertical rectangular support frame 10 as shown in FIGS. 1 and 2, and the circular handle 100 is mounted on the support frame 10.
  • the rotation operation main body 20 for rotation is mounted so as to be vertically movable.
  • the circular handle 100 in which the rotation operation mechanism A is used extends outward in the radial direction from the handle shaft 101 extending in the vertical direction interlocked with an opening / closing mechanism such as a water gate. It is composed of a spoke 102 and a peripheral ring body 103 supported by the tip of the spoke 102 in a substantially horizontal state.
  • the rotation operation main body 20 is attached to an auxiliary frame 11 erected on a rectangular support frame 10.
  • the support frame 10 is a short length that is horizontally laid between the left and right side support columns 10a and 10a'that extend in the vertical direction and the upper and lower ends of the left and right side support columns 10a and 10a'. It is constructed by assembling the rod-shaped upper and lower support columns 10b and 10b'in a substantially rectangular shape in the front view.
  • reference numeral 10' is a constant load leaf spring
  • the roller drive mechanism 30 is arranged at a stable position with a constant load
  • reference numeral 10c is a spring case containing the constant load leaf spring 10'.
  • the auxiliary frame 11 includes a front surface of the drive case 31 described later in the rotation operation main body 20, an arm support bracket 13 projecting forward at a substantially central upper portion of the front surface of the drive case 31, and a front surface of the drive case 31. It is composed of four flanges 12 projecting forward on both the upper and lower sides of the above.
  • the auxiliary frame 11 is continuously connected to the roller drive mechanism 30 to rotate, and is freely press-contacted with the peripheral peripheral lower side surface 104 (peripheral ring lower side surface 104) of the circular handle 100.
  • the provided rotary roller 40 and the left and right side supports provided so as to maintain a certain distance in the left-right direction from the rotary roller 40 and are provided on the outer peripheral side surface 105 (peripheral ring body left and right side surfaces 105) of the circular handle 100 so as to be pressure-contactable.
  • a roller 50 and a rotation operation main body 20 including the roller 50 are mounted.
  • the rotary roller 40 is attached to the tip of the motor output shaft 41 from the roller drive mechanism 30 arranged on the front side of the auxiliary frame 11 as shown in FIGS. 1 and 2, and the rotary roller 40 is vertically mounted. It is arranged in a mold, and the rotational movement of its peripheral surface can be transmitted by pressure contact with the lower side surface 104 of the peripheral edge of the circular handle 100 arranged in a plane in a positional relationship perpendicular to the rotating roller 40. are doing.
  • a battery 32, a motor controller 33, a control unit 34, and an electric DC motor 35 are arranged as a roller drive mechanism 30 of the rotary roller 40 in a square box-shaped drive case 31 as shown in FIG. It is installed and stored.
  • the motor output shaft 41 of the electric DC motor 35 penetrates a substantially central portion on the front surface of the drive case 31 and projects forward from the support frame 10.
  • a rotary roller 40 is provided at the front end of the output shaft 41 so that it can be driven and rotated.
  • a switch 36 or the like for operating the roller drive mechanism 30 is provided outside the drive case 31 in the rotation operation main body 20, outside the switch 36 or the like for operating the roller drive mechanism 30 as shown in FIGS. 4 to 6 and 8.
  • the rotation operation main body 20 is provided with the roller drive mechanism 30 on the rear side with the support frame 10 as the center in the side view, and protrudes forward from the roller drive mechanism 30 on the front side.
  • a rotary roller 40 is arranged at the front end of the motor output shaft 41 so as to be rotatable and driveable.
  • left and right side receiving rollers 50 and 50' are arranged in the left and right side directions from the rotating roller 40 while maintaining a constant distance as shown in FIGS. 1 to 3, and the circular handle 100 is arranged as shown in FIG. It is configured so that it can be pressure-welded to the outer peripheral side surface 105 of the above.
  • the rotation operation main body 20 is configured such that the rotation rollers 40 are arranged substantially in the center of the support frame 10 in the front view, and the left and right side receiving rollers 50, 50'on the left and right sides of the rotation rollers 40. Is placed.
  • the rotation operation main body 20 is configured such that the rotation roller 40 is arranged on the front side of the support frame 10 in a side view, and is further forward side than the rotation roller 40 and left and right on the upper side of the rotation roller 40.
  • Side receiving rollers 50 and 50' are arranged.
  • the rotary roller 40 is axially controlled on the front side of the support frame 10, and the lower ends of the left and right support columns 10a and 10a'of the support frame 10 are grounded via the casters 17 and 17'. Therefore, in the functional mode shown in FIG. 10, the rotating roller 40 is brought into contact with the lower side surface 104 of the peripheral edge portion of the handle 100 with the support frame 10 in a forward leaning posture (state of FIG. 10B), and then When the support frame 10 is erected in the vertical direction, that is, in the backward tilting direction from the forward leaning posture, the rotating roller 40 acts as a force to lift the circular handle 100 in contact with the lower surface according to the principle of the rod, and pressure contact between the rotating roller 40 and the circular handle 100. The stress becomes remarkably strong, and the rotational stress of the rotating roller 40 promotes the rotation of the circular handle 100, enabling the loosening work of the tightened circular handle 100.
  • the pressure contact stress on the circular handle 100 whose lower side surface is pressure-welded to the roller 40 is the support frame.
  • the lower ends of the left and right strut portions 10a and 10', which are the ground contact portions of 10, and the rotary roller pressure contact portion on the lower side surface of the handle 100 promote the concentration of the lifting stress of the virtual triangular rotary roller using the principle of the rod, and the rotary roller is stable.
  • the handle 40 can be pressed against the handle 100 to rotate the handle.
  • the left and right receiving rollers 50 and 50' are composed of vertical small-diameter rollers so as to abut on the outer peripheral side surface 105 of the circular handle 100 as shown in FIGS. 1 to 4 and 6, and are formed on the front surface of the drive case 31.
  • a laterally longitudinal arm support bracket 13 is projected from the substantially central upper portion, and the base end portions 51a and 51'of the left and right side arms 51 and 51'are pivotally supported at the left and right ends thereof, respectively, and the left and right side receiving rollers are attached to the tips thereof. 50 and 50'are rotatably supported.
  • the rotating roller 40 is pressed against the lower peripheral side surface 104 of the peripheral edge portion of the circular handle 100, and as shown in FIG. 6, the left and right side receiving rollers 50 and 50'are pressed against the outer peripheral side surface 105 of the circular handle 100. It will be.
  • each of the rollers 40, 50, and 50' can press-contact the circular handle 100 from below and from both sides of the circular handle 100.
  • the rotary roller 40 is configured so that the rotation axis direction is orthogonal to the longitudinal extension direction of the support frame 10 and the peripheral surface thereof is vertically driven and rotated.
  • the left and right side receiving rollers 50, 50' set the rotation axis direction in the direction along the longitudinal extension direction of the support frame 10, that is, in the direction orthogonal to the rotation axis direction of the rotation roller 40, and the circumference of each roller 50, 50'.
  • the surface is configured to rotate in the left-right and lateral directions.
  • the circular handle 100 located in a plane shape is supported by placing and contacting the lower side surface 104 of the peripheral ring body on the peripheral surface 42 of the rotary roller 40.
  • the left and right side surfaces 105 of the peripheral ring body are in a state of being held and pressed by the left and right side receiving rollers 50 and 50'.
  • mediation frames 52 are erected in the middle portions of the left and right arm 51, 51'of the left and right side receiving rollers 50, 50', and therefore, the left and right side receiving rollers 50, 50'are erected.
  • the distance between the rollers 50 and 50' is always constant, and since the base ends of the left and right arms 51 and 51'are pivotally supported by the arm support bracket 13, the mediation frame 52 and the left and right arms 51 and 51' Consists of a substantially trapezoidal link mechanism 53 in a plan view as shown in FIG.
  • reference numeral 53' is a link adjusting mechanism for adjusting the front-rear position of the trapezoidal link mechanism 53, and the link adjusting mechanism 53'extends in the front-rear direction, and the middle portion is on one side of the arm support bracket 13. It is composed of an adjustment rod that can be fixed to the end and the tip is pivotally fixed to the middle of either the left or right arm 51 or 51'.
  • the left and right side receiving rollers 50 and 50'at the tip are predetermined via the planar view substantially trapezoidal link mechanism 53 by shifting left and right around the proximal pivot portions 51a and 51a'of the left and right side arms 51 and 51'.
  • the circular handle 100 is pressed against the left and right side surfaces 105 of the circumferential ring at intervals, and in particular, when the rotational reaction force of the circular handle 100 due to the drive rotation of the rotating roller 40 is received, the pressure contact position is displaced to the left and right to reduce the reaction force and the circular handle. The rotation of 100 can be performed smoothly.
  • the pressure contact position of the circular handle 100 with respect to the left and right side surfaces 105 of the peripheral ring body can be adjusted by such a displacement operation of the left and right side receiving rollers 50 and 50', and when the circular handle 100 rotates due to the pressure contact friction of the rotating roller 40.
  • the rotational reaction force is received by the uneven displacement of the left and right side receiving rollers 50 and 50'.
  • the distance between the left and right arms 51 and 51' is adjusted by changing and adjusting the pivotal support positions with the left and right ends of the mediation frame 52, and the configuration shape of the substantially trapezoidal link mechanism 53 is changed to that of the circular handle 100 described above.
  • the rotational reaction force can be reliably reduced.
  • the left and right side receiving rollers 50 and 50'at the tip are pressed against the left and right side surfaces 105 of the circular ring body of the circular handle 100 at predetermined intervals via the substantially trapezoidal link mechanism 53 in plan view, and particularly drive the rotating roller 40.
  • the reaction force is reduced while shifting the pressure contact position to the left and right to secure the optimum pressure contact position between the circular handle 100 and the rotary roller 40, and the rotational torque of the rotary roller 40 is increased. It is transmitted to the circular handle 100 in the optimum state.
  • FIG. 13 shows the positional relationship in which the rotary roller 40 and the left and right side receiving rollers 50 and 50'are in a neutral set state with respect to the handle 100.
  • the rotation operation mechanism A is a base point portion of the trapezoidal apex of the trapezoidal link mechanism 53 of the left and right side receiving rollers 50, 50'with respect to the circular handle 100, that is, the rotation roller.
  • the rotation center line C1 of 40 (indicated by a two-point chain line in the figure) is arranged so as to pass through the rotation center C of the handle shaft 101 of the circular handle 100.
  • the plan view substantially trapezoidal link mechanism 53 in such a state has an isosceles trapezoidal shape that is substantially symmetrical (line symmetry).
  • the left and right side receiving rollers 50 and 50' are made to function in order to prevent displacement due to such an uneven load. That is, when the circular handle 100 is rotated to the left, as shown in FIG. 11, when the rotating roller 40 is rotated to the left, the above-mentioned rotational reaction force (indicated by a thick white arrow in the figure) and forward movement are performed. Due to the stress (indicated by the thick arrow in the figure), the rotation operation mechanism A is slightly tilted in the forward tilting direction to the right.
  • the rotation operation mechanism A is the base point portion of the trapezoidal apex of the left and right side receiving rollers 50, 50'of the planar view substantially trapezoidal link mechanism 53 when the rotary roller 40 is tilted forward to the right, that is, the rotation center of the rotary roller 40.
  • the line C1 is displaced outward on the left side of the rotation center C of the handle shaft 101 of the circular handle 100.
  • planar view substantially trapezoidal link mechanism 53 receives the forward stress of the rotary operation mechanism A in the direction of the circular handle 100 and the rotational reaction force of the circular handle 100.
  • the arms 51 and 51' try to separate and expand around the proximal pivotal support portions 51a and 51a', respectively, but the circular handle 100 is tilted while being regulated by the mediation frame 52 interposed in the middle portion. It becomes a pressure welding state.
  • the left and right side arms 51 and 51' are held at a left-right distance by the mediation frame 52, and the rollers 50 and 50' are in pressure contact with the left and right side surfaces 105 of the circular ring body of the circular handle 100. To maintain.
  • the rotary roller 40 tends to be displaced forward in the circular handle 100 inward by slightly tilting the rotary roller 40.
  • the left and right side receiving rollers 50, 50' are substantially trapezoidal in plan view.
  • the link mechanism 53 is slightly tilted in the direction opposite to the rotation direction of the handle to correct the uneven displacement load of the rotary roller 40, and the rotational stress of the rotary roller 40 is accurately transmitted to the circular handle 100.
  • the amount of inclination of the rotating roller 40 and the substantially trapezoidal link mechanism 53 in a plan view is largely due to the experience of workers in the field in consideration of conditions such as the degree of rotational tightness and the size of the diameter of the circular handle 100. ..
  • the planar view substantially trapezoidal link mechanism is formed in the direction opposite to the above description.
  • the 53 is slightly tilted to correct the uneven displacement load of the rotating roller 40, and the rotational stress of the rotating roller 40 is accurately transmitted to the circular handle 100.
  • the planar view substantially trapezoidal link mechanism 53 is in a state where the rollers 50 and 50'supported at the tips of the arms 51 and 51'are pressed against the left and right side surfaces 105 of the circumferential ring of the circular handle 100, respectively.
  • the other arm is also displaced via the mediation frame 52, and the rotation operation mechanism A is inside the circular handle 100.
  • the pressure contact position between the rotary roller 40 and the lower side surface 104 of the peripheral ring body of the circular handle 100 is fixed by restricting the forward movement further toward the direction, and the rotational driving force from the rotary roller 40 is reliably and sufficiently applied to the circular handle 100. It is possible to convey to.
  • the rotary roller 40 and the left and right side receiving rollers 50 and 50' are each coated with urethane rubber or a synthetic resin material having a high friction coefficient to increase the rotational friction coefficient with the circular handle 100 and to increase the rotational stress. Can be transmitted smoothly.
  • a plurality of tread grooves 43 extending in a direction orthogonal to the circumferential direction are formed on the outer peripheral surface of the rotary roller 40 at predetermined intervals around the circumference and come into contact with the circular handle 100. In some cases, the rotational stress can be accurately transmitted.
  • a tilt operation frame 14 is continuously provided at the lower part of the support frame 10 toward the diagonally rearward direction, and the support frame 10 is connected to the rear end of the tilt operation frame 14.
  • the middle part of the substantially U-shaped both side frames 15 pivotally connected to the lower end is pivotally connected.
  • the rear horizontal rods of the substantially U-shaped double-sided frames 15 are the foot rods 16 for the operator to step on and load the weight.
  • casters 17 and 17' are pivotally attached to both lower ends of the support frame 10, and the casters 17 and 17' fulfill a moving function when the rotation operation mechanism A is moved and stepped on the tilting operation frame 14. It is possible to fulfill the fulcrum function in the axle function during operation.
  • the support frame 10 is advanced, and as shown in FIGS. 9A and 10B, the rotating roller 40 is brought into contact with the lower side surface of the peripheral edge of the circular handle 100.
  • the rotating roller 40 on the front surface of the support frame 10 operates to push up the lower side surface 104 of the peripheral ring body of the circular handle 100. If the foot rod 16 is further stepped on as shown in FIGS. 9 (b) and 10 (c), the support frame 10 is further tilted rearward, and the rotating roller 40 is pressed more strongly on the lower side surface of the circular handle 100.
  • the stepping rod 16 in the tilting operation frame 14 projecting to the rear side of the support frame 10 is used as a force point portion for applying the stepping downward stress from the operator, and the caster at the lower end of the support frame 10.
  • 17 and 17' are used as fulcrum portions for touching the ground surface at a position substantially directly below the chow group 103 of the circular handle 100, and the rotating roller 40 projecting from the front side of the support frame 10 is the chow group of the circular handle 100.
  • a rotary operation main body 20 composed of a rotary roller 40, left and right side receiving rollers 50, 50', a drive case 31, and the like is movably supported.
  • the rotation operation main body 20 is vertically supported by the support frame 10 via the flange 12 of the auxiliary frame 11, and the flange 12 and the support frame are supported.
  • a spring 21 is interposed between the fixing bracket 18 fixed in the middle of 10.
  • the flange 12 has a flat plate shape and projects from the left, right, top and bottom of the front surface of the drive case 31 toward the front so that the plate surface faces in the vertical direction.
  • an insertion hole 12a is formed to penetrate in the vertical direction at a predetermined position on the plate surface of the flange 12, and the flange 12 is formed in the left and right support columns 10a and 10a'of the support frame 10 through the insertion hole 12a.
  • the rotation operation main body 20 can move up and down along the support frame 10.
  • the fixing bracket 18 is externally fitted and fixed to one of the left and right side support columns 10a and 10a'of the support frame 10.
  • the fixing bracket 18 is provided with a lock lever 18a for adjusting and fixing the fixing position with the support frame 10.
  • a spring 21 is loosely fitted and arranged at an upper position of the fixing bracket 18, and of four flanges 12 at a position further above the spring 21.
  • the upper flange 12 is loosely fitted and arranged.
  • the spring 21 between the fixing bracket 18 and the flange 12 can adjust the pressure contact force between the rotating operation main body 20, particularly the rotating roller 40 and the circular handle 100. Furthermore, it can also serve as a buffering function for overpressure.
  • the support frame 10 is advanced as shown in FIG. 10 (a), and the front rotating roller is moved as shown in FIGS. 9 (a) and 10 (b).
  • the upper peripheral surface 42 of the 40 is in contact with the lower side surface 104 of the peripheral ring body of the circular handle 100, and the weight of the operator is placed on the foot lever 16 at the lower part of the support frame 10 as shown in FIGS. 9 (b) and 10 (c).
  • the support frame 10 tilts backward and the rotary roller 40 rises due to the lever function.
  • the circular handle 100 promotes the rotational operation of the circular handle 100 via its pressure contact.
  • the eccentric moving load to the support frame 10 generated by the reaction force due to the rotation of the handle is regulated and diminished by the left and right side receiving rollers 50, 50'that are pressed against the left and right side surfaces 105 of the peripheral ring body of the circular handle 100.
  • a leveler frame 19 that can be adjusted so that the upper surface matches the height level of the lower side surface 104 of the peripheral ring body of the circular handle 100 is extended.
  • the leveler frame 19 has a substantially U-shape in a plan view, and both ends thereof are pivotally supported on the lower left and right sides of the arm support bracket 13 of the auxiliary frame 11 so as to surround the rotating roller 40 from the outside. It is configured to be inclined upward and to project the U-shaped central vertical side portion on the upper side and the front side of the rotating roller 40.
  • the rotation operation main body 20 By aligning the lower surface position of the circular handle 100 with the leveler frame 19, the rotation operation main body 20 is vertically moved along the support frame 10, and in this state, the support frame 10 is advanced to make the rotary roller 40 circular. The position is adjusted so as to abut the lower side surface 104 of the peripheral ring body of the handle 100.
  • the spring 21 between the fixing bracket 18 and the flange 12 of the rotation operation main body 20 functions to buffer the pressure contact force of the rotary roller 40 that is pressed against the lower surface of the circular handle 100, and avoids an excessive pressure contact state to avoid the circular handle.
  • the best pressure welding stress can be applied to obtain the driving force required for 100 rotations.
  • the rotating roller 40 is in a pressure contact form such that the lower side surface 104 of the peripheral ring body of the circular handle 100 is lifted. make.
  • the left and right side receiving rollers 50 and 50' are in a state of being pressed against the left and right side surfaces 105 of the peripheral ring body of the circular handle 100.
  • the left and right side receiving rollers 50 and 50 receive the rotational reaction force due to the eccentric load of the circular handle 100 by the rotary roller 40, and reduce the rotational reaction force as much as possible to smoothly rotate the circular handle 100. Do.
  • the rollers are reliably pressed against the outer peripheral edge of the circular handle by two types of rollers, the rotating roller and the left and right side receiving rollers, to obtain a sufficient frictional force. This has the effect of facilitating the rotation operation of the circular handle.
  • the rotating roller when performing the rotation operation of the circular handle, the rotating roller is made to face the lower position of the circular handle, and the tilting operation frame is stepped on to incline the support frame to the rear side.
  • the rotating roller is pressed against the lower side surface of the peripheral edge of the circular handle, and the left and right receiving rollers at the tips of the left and right arms are pressed against the outer peripheral side surface of the circular handle.
  • the rotational force of the rotary roller is transmitted from the lower side surface of the peripheral edge of the circular handle to rotationally drive the circular handle. It has the effect of opening and closing valves such as water gates.
  • Rotation operation mechanism 10 Support frame 11 Auxiliary frame 12 Flange 13 Arm support bracket 14 Tilt operation frame 15 Both sides frame 16 Foot pedal 17 Caster 18 Fixed bracket 19 Leveler frame 20 Rotation operation body 21 Spring 30 Roller drive mechanism 31 Drive case 40 Rotation roller 41 Motor output shaft 50, 50'Left right receiving roller 51, 51' Left right arm 52 Mediation frame 53 Approximately trapezoidal link mechanism

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Barrages (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Handcart (AREA)
PCT/JP2019/013264 2019-03-27 2019-03-27 円形ハンドルの回転操作機構 WO2020194586A1 (ja)

Priority Applications (2)

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JP2021508536A JP7220357B2 (ja) 2019-03-27 2019-03-27 円形ハンドルの回転操作機構
PCT/JP2019/013264 WO2020194586A1 (ja) 2019-03-27 2019-03-27 円形ハンドルの回転操作機構

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01120525U (enrdf_load_stackoverflow) * 1988-02-06 1989-08-15
JPH0874234A (ja) * 1994-08-31 1996-03-19 Ootsubo Tekko:Kk 制水用ゲートの扉体操作ハンドルの携帯式回転装置
JPH11229358A (ja) * 1998-02-12 1999-08-24 Hitachi Car Eng Co Ltd 水門開閉機の駆動装置
JP3067510U (ja) * 1999-09-17 2000-04-07 丸島産業株式会社 ハンドル車の駆動装置および開閉装置
JP2001115436A (ja) * 1999-10-15 2001-04-24 Nagaba Tekkosakusho:Kk 水門扉の開閉装置
JP3178752U (ja) * 2012-07-18 2012-09-27 株式会社豊国エンジニアリング 可搬式補助動力装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01120525U (enrdf_load_stackoverflow) * 1988-02-06 1989-08-15
JPH0874234A (ja) * 1994-08-31 1996-03-19 Ootsubo Tekko:Kk 制水用ゲートの扉体操作ハンドルの携帯式回転装置
JPH11229358A (ja) * 1998-02-12 1999-08-24 Hitachi Car Eng Co Ltd 水門開閉機の駆動装置
JP3067510U (ja) * 1999-09-17 2000-04-07 丸島産業株式会社 ハンドル車の駆動装置および開閉装置
JP2001115436A (ja) * 1999-10-15 2001-04-24 Nagaba Tekkosakusho:Kk 水門扉の開閉装置
JP3178752U (ja) * 2012-07-18 2012-09-27 株式会社豊国エンジニアリング 可搬式補助動力装置

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