WO2014067175A1 - 一种变截面绕绳轮及其悬吊器 - Google Patents

一种变截面绕绳轮及其悬吊器 Download PDF

Info

Publication number
WO2014067175A1
WO2014067175A1 PCT/CN2012/084525 CN2012084525W WO2014067175A1 WO 2014067175 A1 WO2014067175 A1 WO 2014067175A1 CN 2012084525 W CN2012084525 W CN 2012084525W WO 2014067175 A1 WO2014067175 A1 WO 2014067175A1
Authority
WO
WIPO (PCT)
Prior art keywords
rope
wheel
section
groove
handle
Prior art date
Application number
PCT/CN2012/084525
Other languages
English (en)
French (fr)
Inventor
何少敦
Original Assignee
He Shaodun
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 He Shaodun filed Critical He Shaodun
Publication of WO2014067175A1 publication Critical patent/WO2014067175A1/zh

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00Devices for lowering persons from buildings or the like
    • A62B1/06Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/14Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brakes sliding on the rope
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00Portable or mobile lifting or hauling appliances
    • B66D3/02Manually-operated, e.g. lever-actuated, devices operating on ropes, cables, or chains for hauling in a mainly horizontal direction

Definitions

  • the present invention relates to a suspension, and more particularly to a rope reel and a suspension thereof that are manually controlled by gravity of the human body. Background technique
  • Today's 8-word ring hangers are characterized by simple structure and easy operation. Therefore, they are widely used in rock climbing, caving, aerial work, and high-altitude ropes.
  • the disadvantage of the existing 8-word ring hanger is self-locking. It is difficult to apply a constant pulling force to the free end of the working rope to control the descending speed. If it is necessary to hover in the air for a long time, the free end of the working rope must be fixed; therefore, due to inconvenience in operation, For those who have no professional training, there is a certain safety hazard when using the existing 8-word ring hanger.
  • the invention provides a variable section roping wheel, comprising a wheel body and a mounting hole, wherein the rope wheel is provided with a variable section rope groove, and when the rope is wound around different parts of the rope wheel groove, the rope and the rope The friction between the grooves of the sheave is also different.
  • the present invention also proposes a suspension device with a variable section reeling wheel, and a U-shaped stringing member is arranged on the hanging body of the suspension device, and the U-shaped opening of the U-shaped stringing member and the hanging body constitute a stringing rope.
  • a hole a variable-section rope-retaining wheel is arranged on the hanging body, and a hanging hole for carrying the weight of the human body is disposed at a position biased to one side, and a control handle for controlling the deflection of the suspension device is further disposed on the other side of the hanging hole, and the working handle is used when working.
  • the rope passes through the stringing hole and is wound on the variable section winding sheave.
  • the fixed end of the working rope is fixed at a high position, the free end of the working rope is drooped to a low position, and the human body is fixedly connected with the hanging hole; when the human body is separately suspended by the hanging hole When the working rope fixed end and the free end of the working rope are pressed against each other to prevent the working rope from sliding, the human body hovering at a high position, the suspension is in a self-locking state; when the human body applies the suspension device to the suspension device through the control handle When pulling, the suspension deflects so that the pressure between the fixed end of the working rope and the free end of the working rope is reduced, or the two are separated, the rope starts to slide, the human body descends, and the manual control variable section is rotated around the rope wheel, Adjusting the rope wheel The frictional force between the rope so as to control the rate of decline.
  • variable cross-section reeling wheel which comprises a variable-section reeling wheel, comprising a wheel body and a mounting hole, wherein the wheel body is provided with a variable-section rope groove, the rope
  • the cross-sectional shape of the groove changes along the circumferential direction.
  • the wheel body is fixed by the mounting hole and can be rotated around the mounting hole.
  • the cross-sectional shape of the groove contacting the rope changes, resulting in a rope and the wheel body.
  • the friction also changes.
  • the present invention proposes a preferred embodiment of the variable section reeling wheel, wherein the rope groove has a V-shaped cross section, and the depth and the angle of the V-shaped groove change in the circumferential direction.
  • the present invention proposes a preferred embodiment of the variable section reeling wheel, wherein the rope groove has a V-shaped cross section and the groove bottom is rounded, and the depth and the included angle of the V-shaped groove change in the circumferential direction.
  • the invention proposes a preferred embodiment of the variable section reeling wheel, wherein the rope groove has a V-shaped cross section and the groove bottom is flat, and the depth and the angle of the V-shaped groove change in the circumferential direction.
  • the invention proposes a preferred embodiment of the variable section reeling wheel, wherein the cross section of the rope groove has a partial elliptical structure, and the depth of the elliptical groove changes along the circumferential direction.
  • the invention proposes a preferred embodiment of the variable section reeling wheel, wherein the two sides of the wheel body are provided with a slinging plate, and the slinging plate serves to restrain the rope in the groove.
  • the wheel body is of a unitary structure.
  • the wheel body is a fixed structure formed by laminating a left wheel piece and a right wheel piece, and the left wheel piece and the right wheel piece are fixedly attached to form a variable-section rope groove.
  • the cross-section of the rope groove is in other curved configurations and the depth and/or width of the groove varies in the circumferential direction.
  • the invention provides a suspension device with a variable section reeling wheel.
  • the suspension device is composed of a hanging body with a hanging hole and a U-shaped stringing member provided on the hanging body, and the U-shaped stringing member
  • the U-shaped opening and the hanging body constitute a stringing hole
  • the hanging hole is disposed at a position biased to one side
  • the hanging body control handle for controlling the deflection of the hanger is further disposed on the other side of the hanging body, and is disposed on the hanging body
  • the wheel body fixing device, the wheel body fixing device mainly comprises a fixing seat, a fixed shaft, a rotating bearing, a rope wheel operating handle, a positioning member and a clamping member, wherein the fixing shaft is fixedly mounted on the fixing seat, the fixing seat Fixed on the hanging body, the mounting hole of the variable section winding sheave cooperates with the rotating bearing and is fixed and fixed by the fixed shaft, so that the roping wheel can be rotated around the fixed shaft, and the roping wheel control handle is fixed on
  • the human hand can rotate the reel by an angle by applying a force to the roping control handle, and the positioning member is fixed on the reel, the clamping member is fixed on the hanging body, and the reel is restrained when the positioning member contacts the clamping member. Rotate and wind the sheave Staying in the set position, the roping wheel will stay at the set position when the hand releases the operation of the roulette handle.
  • the working rope passes through the stringing hole and is wound around the rope groove around the rope wheel.
  • the fixed end of the working rope is fixed at a high position through the stringing hole, and the free end of the working rope is drooped to a low position through the stringing hole.
  • the human body is fixedly connected to the hanging hole through the connecting member. When the human body is separately suspended by the hanging hole, the working rope fixing end in the threading hole and the free end of the working rope are in contact with each other and pressed to prevent the working rope from sliding.
  • the human body is in a hovering state, and when the human body applies a pulling force to the suspension through the lifting handle of the hanging body, the suspension is deflected, so that the pressure between the fixed end of the working rope in the stringing hole and the free end of the working rope is reduced, Or separating the two, and, when the human body applies a pulling force to the roulette handle and rotates the wheel through an angle, the depth and angle of the groove in contact with the rope are changed, so that the rope and the reel are The frictional force also changes, thereby adjusting the descending speed of the human body.
  • the reel will rotate and stay at the set position, and the speed of the human body will slow down. Stopped declining.
  • the preferred embodiment of the present invention is: the u-shaped stringing member is formed by bending a circular steel material, the hanging body is provided with a fixing insertion hole, and two pins of the U-shaped stringing member are respectively inserted into the fixing insertion hole The holes are fixed by welding.
  • the preferred embodiment of the present invention is: the hanging handle is a folding structure, and the hanging body is further provided with a handle rotating shaft and a handle fixing member, and the hanging body operating handle is mounted on the hanging body through the handle rotating shaft In the body, when folded or opened, the hanging handle can be rotated around the handle shaft, and the handle fixing member acts as a limit on the hanging handle.
  • the utility model has the beneficial effects that the suspension device provided by the invention has the self-locking function of the suspension device, which can ensure the safety of the user, by providing a steering handle biased to one side lifting hole and operating the suspension deflection; When descending, it is only necessary to apply tension to the suspension through the control handle, so that the suspension can be deflected to release the self-locking and lower the human body, and the operation is simple and convenient; and, due to the use of the variable-section winding sheave, the human hand can operate The rotation of the rope wheel changes the friction between the rope and the rope pulley, thereby achieving a controllable speed of the human body.
  • Figure 1, Figure 2, Figure 3 are schematic diagrams of the structure of the existing 8-word ring suspension;
  • Figure 1 is a schematic view of the three-dimensional structure,
  • Figure 2 is a schematic view of the planar structure, and
  • Figure 3 is a schematic view of the structure in use.
  • FIG. 4, FIG. 5, FIG. 6, FIG. 7, FIG. 8, and FIG. 9 are schematic structural views of a first embodiment of a variable-section reel;
  • FIG. 4 is a front view
  • FIG. 5 is a left view
  • FIG. FIG. 9 is a perspective view of FIG. 7
  • FIG. 8 is a structural view of the rope wound around the reel, wherein FIG. 8 is a structural diagram of FIG. 7 after the reel is rotated by an angle.
  • FIG. 10, FIG. 11, FIG. 12, FIG. 13 are schematic structural views of a second embodiment of a variable-section reel; FIG. 10 is a front view, FIG. 11 is a left side view, and FIG. 12 is a cross-sectional view of a KK position. Fig. 13 is a perspective view.
  • Figure 14 is a schematic view showing the structure of a third embodiment of a variable section reel.
  • Figure 15 is a schematic view showing the structure of a fourth embodiment of a variable section reel.
  • Figure 16 is a schematic view showing the structure of a fifth embodiment of a variable section reel.
  • Figure 17 is a schematic view showing the structure of a sixth embodiment of a variable section reel.
  • Figure 18 is a schematic view showing the structure of a seventh embodiment of a variable section reel.
  • FIG. 19, FIG. 20, FIG. 21, and FIG. 22 are schematic structural views of an eighth embodiment of a variable-section reeling wheel, wherein FIG. 19 is a front view, FIG. 20 is a left side view, and FIG. 21 is a cross-sectional view of the LL position. Fig. 22 is a perspective view.
  • FIG. 23 is a front view
  • FIG. 24 is a left side view
  • FIG. 25 is a cross-sectional view of the MM position (a groove bottom section).
  • Fig. 26 is a perspective view.
  • Fig. 27, Fig. 28, Fig. 29, Fig. 30, Fig. 31, Fig. 32, Fig. 33 are schematic views showing the structure of a first embodiment of a suspension using a variable section reel. 27, 28, and 29 are partial parts views; Fig. 30 and Fig. 31 are schematic views of the overall structure; Fig. 32 and Fig. 33 are schematic structural views during use, wherein 32 is a schematic structural view at the time of hovering, and Fig. 33 is a descending view. Schematic diagram of the time.
  • Figures 34 and 35 are structural views of a second embodiment of a suspension employing a variable section reel.
  • Figure 36 is a schematic view showing the structure of a third embodiment of a suspension using a variable section reel.
  • 37 and 38 are structural views of a fourth embodiment of a suspension using a variable section reel.
  • the human body 5. 1, 5. 2 people;
  • variable section winding wheel wheel body 6. 1A V-shaped groove, 6. 1AA deepest groove, 6. 1AB shallowest groove, 6. 1A1 rounded corner, 6. 1A2 plane, 6. 1B Elliptical groove, 6. 2 mounting holes, 6. 3A, 6. 3B retaining rope, 6-1 left wheel, 6-2 right wheel;
  • Figure 1, Figure 2, Figure 3 are schematic diagrams of the structure of the existing 8-word ring suspension;
  • Figure 1 is a schematic view of the three-dimensional structure,
  • Figure 2 is a schematic view of the planar structure, and
  • Figure 3 is a schematic view of the structure in use.
  • the existing 8-word ring hanger is composed of a hanging body 1 having a stringing hole 1.1 and a hanging hole 1.
  • Figure 1 5 ⁇ The rope 5 is fixed in a high position, the free end of the working rope 3. 2 through the stringing hole 1. 1 drooping to the lower part, the human body 5 is connected and fixed by the connecting member 4 and the hanging hole 1.2.
  • the user In use, due to the difficulty of self-locking of the existing 8-ring ring hanger, the user must apply a continuous pulling force to the free end of the working rope 3.2 to control the descent speed if the user needs to hover for a long time.
  • the free end of the working rope must be fixed. Therefore, due to the inconvenience of operation, there is a certain safety hazard for the personnel who are not professionally trained.
  • FIG. 4, FIG. 5, FIG. 6, FIG. 7, FIG. 8, and FIG. 9 are schematic structural views of a first embodiment of a variable-section reel;
  • FIG. 4 is a front view
  • FIG. 5 is a left side view
  • FIG. Fig. 9 is a perspective view of Fig. 7.
  • Fig. 7 and Fig. 8 are schematic views showing the structure of the rope wound around the reel
  • Fig. 8 is a structural view of Fig. 7 after the reel is rotated through an angle.
  • the rope groove is the shallowest, the angle is the largest, the working rope 3 and the wheel body 6. 1 The friction between them will be minimal.
  • the friction between the rope and the wheel body can be controlled, thereby adjusting the speed at which the human body descends.
  • the wheel body 6.1 is a Body structure.
  • Fig. 6 shows that, in the present embodiment, only one deepest groove 6. 1AA and one shallowest groove 6. 1AB appear in one circumferential direction.
  • the present invention suggests that in other embodiments, a plurality of deepest grooves and a plurality of shallowest grooves may occur along one circumferential direction.
  • the wheel body has a circular structure, and the present invention suggests that in other embodiments, the wheel body can be modified to an elliptical structure, provided that the rotation of the wheel body is not affected.
  • FIG. 10, FIG. 11, FIG. 12, FIG. 13 are schematic structural views of a second embodiment of a variable-section reel;
  • FIG. 10 is a front view
  • FIG. 11 is a left side view
  • FIG. 12 is a cross-sectional view of a KK position.
  • Fig. 13 is a perspective view. The figure shows that, unlike the first embodiment, in the present embodiment, the shallowest groove 6.61 has a depth of 0 and an angle of 180 degrees, that is, the winding wheel is smooth here. Cylindrical structure (no groove).
  • variable section reel has a smooth cylindrical surface (no groove) at only one point in one circumferential direction; the present invention suggests that in other embodiments, the variable section reel is along a circumferential direction It can be a smooth cylindrical surface (without grooves) at an angle.
  • Figure 14 is a schematic view showing the structure of a third embodiment of a variable section reel.
  • the first embodiment of the present invention has a cross-section of a groove having a V-shaped structure and a grooved bottom having a rounded corner.
  • the depth and angle of the V-shaped groove 6. 1A vary in the circumferential direction.
  • Figure 15 is a schematic view showing the structure of a fourth embodiment of a variable section reel. 1A2, V ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
  • Figure 16 is a schematic view showing the structure of a fifth embodiment of a variable section reel.
  • the figure shows that, unlike the first embodiment, in the present embodiment, the cross section of the rope groove has a partially elliptical structure, and the depth of the elliptical groove 6.1B varies in the circumferential direction.
  • Figure 17 is a schematic view showing the structure of a sixth embodiment of a variable section reel.
  • the slats are provided with a retaining plate 6. 3A, 6. 3B, a retaining plate 6. 3A, 6.
  • the role of 3B is to confine the rope to the rope groove.
  • Figure 18 is a schematic view showing the structure of a seventh embodiment of a variable section reel.
  • the present invention is different from the first embodiment in that, in this embodiment, the wheel body 6.1 is a fixed structure formed by attaching and fixing the left wheel piece 6-1 and the right wheel piece 6-2. 1A ⁇
  • the reel groove is a V-shaped groove 6. 1A.
  • FIG. 19, FIG. 20, FIG. 21, and FIG. 22 are schematic structural views of an eighth embodiment of a variable-section reeling wheel, wherein FIG. 19 is a front view, FIG. 20 is a left side view, and FIG. 21 is a cross-sectional view of the LL position.
  • FIG. 24 is a left side view
  • FIG. 25 is a cross-sectional view of the MM position (a groove bottom section).
  • Fig. 26 is a perspective view. The figure shows that, in the present embodiment, the wheel body 6.1 has a circular structure; in the cross-sectional view of FIG. 25, the groove bottom of the rope groove has an elliptical structure. 1AB ⁇ The two shallowest grooves 6. 1AB, the two shallowest grooves 6. 1AB.
  • the cross section of the rope groove may have other arcuate configurations and the depth and/or width of the groove may vary in the circumferential direction.
  • Fig. 27, Fig. 28, Fig. 29, Fig. 30, Fig. 31, Fig. 32, Fig. 33 are schematic views showing the structure of a first embodiment of a suspension using a variable section reel. 27, 28, and 29 are partial parts views; Fig. 30 and Fig. 31 are schematic views of the overall structure; Fig. 32 and Fig. 33 are schematic structural views during use, wherein 32 is a schematic structural view at the time of hovering, and Fig. 33 is a descending view. Schematic diagram of the time.
  • the suspension is composed of a hanging body 1 having a hanging hole 1.2 and a U-shaped stringing member 2 disposed on the hanging body, the U-shaped stringing member 2
  • the lifting body is provided with a fixing jack 1. 5. 1, 1. 5. 2, the two pins of the U-shaped stringing device 2. 1, 2. 2 are respectively inserted into the fixing jack 1 5.
  • the setting of the hanging hole 1. 2 is set in the middle of the U-shaped opening of the U-shaped stringing member 2 and the hanging body. 4,
  • the wheel body fixing device 7 is further disposed on the hanging body 1 .
  • the hanging body control device 7 is further disposed on the hanging body 1 .
  • the wheel body fixing device 7 mainly includes a fixed seat 7.1, a fixed shaft 7.2, a rotating bearing 7.5, a reeling handle 7.6, in this embodiment
  • the fixed end of the fixed seat 7.1 is fixed to the mounting body 7.1.
  • the fixed seat 7.1 is fixed to the hanging body 1 by the nut 7. 3A, 7. 3B.
  • the rotation of the reeling wheel can be adjusted by the fixed shaft 7.2.
  • the rotation of the reel can be rotated around the fixed shaft 7.2. 7A, Similarly, in the fixed shaft 7. 7. 7A, in the same way, in the fixed shaft 7.
  • the other end of the 2, bearing 7.5 and the fixed seat 7.1 are also provided with bearing pads.
  • the limit is limited to the contact with the fixed seat 7.1, and the fixed seat and the retaining member are the same member.
  • the rotator and the rotator are operated by the handle 7.6.
  • the reeling wheel will stay in the set position when the hand is 5.2 to release the operation of the reel control handle 7.6.
  • the wheel body fixing device 7 can be fixed to the hanging body 1 by the following fixing manner: a fixing hole is provided in the fixing seat 7.1 and fixed by a fastener (bolt, rivet, etc.); The fixing seat 7.1 is directly welded to the hanging body 1 by welding.
  • the reel control handle 7.6 can be fixed to the wheel body 61 by welding.
  • 32 and 33 are schematic views showing the structure at the time of use, 32 is a schematic structural view at the time of hovering, and Fig. 33 is a schematic structural view at the time of descending.
  • the fixed rope 3 is inserted through the rope hole and the winding of the rope.
  • the rope groove that is in contact with the rope is the deepest groove.
  • the groove is the deepest, the angle is the smallest, and the friction between the working rope and the wheel body will be the maximum.
  • the human body The rate of decline will slow down or stop falling.
  • Figure 33 shows the fixed end of the working cord in the stringing hole 1.
  • the gripping arm is deflected when the tension is applied to the hanger. 1 ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
  • Figures 34 and 35 are structural views of a second embodiment of a suspension employing a variable section reel.
  • the end of the fixed shaft 7.2 has a threaded structure, the other end has a threaded structure, the fixed shaft 7.2 passes through the end. 5 ⁇ 7.
  • the cap 7. 7A, the nut 7. 3B is fixed on the fixed seat 7.1.
  • Figure 36 is a schematic view showing the structure of a third embodiment of a suspension using a variable section reel.
  • the locating member 7 is provided on the suspension body 1.
  • the locating member 7 is provided on the suspension body 1. 8; When the positioning member 7.7 is in contact with the latching member 7.8, the rotation of the reel is restricted and the reel is stopped at the set position.
  • FIG. 37, 38, and 39 are structural views of a fourth embodiment of the suspension.
  • Figure 4 is a folded structure, in the embodiment of the present invention, in the embodiment of the present invention, in the embodiment of the present invention, in the embodiment of the present invention, The lifting body 1 is also provided with a handle shaft 1. 4A, the handle fixing member 1. 4B, the lifting body control handle 1. 4 through the handle shaft 1. 4A is mounted on the hanging body 1, when folded or opened, the hanging body manipulation handle 1 Figure 4, Figure 38 shows the structure of the handle after folding; Figure 39 is a structural view of the handle when it is opened, the figure shows that when the handle needs to be opened, the handle 1.4 is rotated The position of the handle is 1. 4B, the handle is fixed.
  • the suspension can be controlled by providing a drawstring on the other side of the hanger, and the object of the present invention can be achieved as long as the manipulation of the suspension deflection can be controlled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)
  • Ropes Or Cables (AREA)

Abstract

一种变截面绕绳轮,包括轮体(6.1)和安装孔(6.2),绕绳轮上设置有变截面绳索凹槽,当绳索缠绕在绕绳轮凹槽的不同部位时,绳索与绳轮凹槽之间的摩擦力也不同。一种采用该变截面绕绳轮的悬吊器,在悬吊器的吊体(1)上设置U形穿绳件(2),U形穿绳件(2)的U形口与吊体构成穿绳孔(1.1),在吊体上设置变截面绕绳轮,将承载人体重量的吊孔(1.2)设置在偏向一侧的位置,在吊孔另一侧还设置有控制悬吊器偏转的吊体操控手柄(1.4),使用时,工作绳从穿绳孔穿过并缠绕在变截面绕绳轮上,工作绳一端固定另一端下垂至低处,人体与吊孔连接固定;当人体单独由吊孔承吊时,工作绳固定端与工作绳自由端两者之间由于相互压紧、悬吊器处于自锁状态;当人体通过操控手柄对悬吊器施加拉力时,悬吊器发生偏转,绳子开始滑行,人手控制变截面绕绳轮转动,可以调节绕绳轮与绳索之间的摩擦力以便控制下降速度,该装置解决了现今8字环式悬吊器自锁有困难的问题。

Description

一种变截面绕绳轮及其悬吊器
技术领域
本发明涉及一种悬吊器, 尤其涉及一种以人体自身重量为重力、 通过手工控制的绕绳轮及其悬吊器。 背景技术
现今 8字环式悬吊器的特点是结构简单, 操作简便, 因此在攀岩、 探洞、 高空作业、 高空绳索下降等 都有广泛应用, 现有 8字环式悬吊器的缺点是自锁有困难, 使用时人们必须对工作绳自由端施加持续的拉 力才能控制下降速度, 如果需要长时间在空中说悬停, 必须将工作绳自由端进行固定处理; 因此, 由于操作 上的不方便, 对于没有受过专业训练的人员来讲, 使用现有 8字环式悬吊器存在一定的安全隐患。
发明内容 书
为了解决现今 8字环式悬吊器自锁有困难、 使用时存在一定安全隐患的缺点。 本发明提出一种变截面 绕绳轮, 包括轮体和安装孔, 其特征是, 绕绳轮上设置有变截面绳索凹槽, 当绳索缠绕在绕绳轮凹槽的不 同部位时,绳索与绳轮凹槽之间的摩擦力也不同。 同时,本发明还提出的一种采用变截面绕绳轮的悬吊器, 在悬吊器的吊体上设置 U形穿绳件, U形穿绳件的 U形口与吊体构成穿绳孔, 在吊体上设置变截面绕绳轮, 将承载人体重量的吊孔设置在偏向一侧的位置, 在吊孔另一侧还设置有控制悬吊器偏转的操控手柄, 使用 时, 工作绳从穿绳孔穿过、缠绕在变截面绕绳轮上, 工作绳固定端固定在高处, 工作绳自由端下垂至低处, 人体与吊孔连接固定; 当人体单独由吊孔承吊时, 工作绳固定端与工作绳自由端两者之间由于相互压紧、 阻止工作绳滑行, 人体悬停在高处、 悬吊器处于自锁状态; 当人体通过操控手柄对悬吊器施加拉力时, 悬 吊器发生偏转使工作绳固定端与工作绳自由端两者之间的压力减小、 或使两者分离, 绳子开始滑行、 人体 下降, 人手控制变截面绕绳轮转动, 可以调节绕绳轮与绳索之间的摩擦力以便控制下降速度。
本发明提出一种变截面绕绳轮的技术方案是, 一种变截面绕绳轮, 包括轮体和安装孔, 其特征是, 所 述轮体上设置有变截面绳索凹槽, 所述绳索凹槽的截面形状沿圆周方向变化, 所述轮体通过安装孔安装固 定并可以绕安装孔转动, 当轮体转动时, 与绳索接触的凹槽截面形状发生变化, 导致绳索与轮体之间的摩 擦力也随之发生变化。
本发明提出一种变截面绕绳轮的优选方案是, 所述绳索凹槽的截面呈 V形结构, V形凹槽的深度和夹 角沿圆周方向发生变化。
本发明提出一种变截面绕绳轮的优选方案是, 所述绳索凹槽的截面呈 V形结构并且槽底为圆角, V形 凹槽的深度和夹角沿圆周方向发生变化。
本发明提出一种变截面绕绳轮的优选方案是, 所述绳索凹槽的截面呈 V形结构并且槽底为平面, V形 凹槽的深度和夹角沿圆周方向发生变化。 本发明提出一种变截面绕绳轮的优选方案是, 所述绳索凹槽的截面呈局部椭圆形结构, 椭圆形凹槽的 深度沿圆周方向发生变化。
本发明提出一种变截面绕绳轮的优选方案是, 所述轮体的两个侧面设置有护绳板, 护绳板的作用是将 绳索限制在凹槽中。
本发明的优选方案是: 所述轮体为一体式结构。
本发明的优选方案是: 所述轮体由左轮片、 右轮片贴合固定而成的给合式结构, 左轮片、 右轮片贴合 固定之后构成变截面绳索凹槽。
本发明的其它优选方案是: 所述绳索凹槽的截面呈其它弧形结构并且凹槽的深度和 /或宽度沿圆周方 向发生变化。
本发明提出一种采用变截面绕绳轮的悬吊器, 其技术方案是, 悬吊器由具有吊孔的吊体以及设置在吊 体上的 U形穿绳件构成, U形穿绳件的 U形口与吊体构成穿绳孔, 所述吊孔设置在偏向一侧的位置, 在吊 体的另一侧还设置有控制悬吊器偏转的吊体操控手柄, 在吊体上设置轮体固定装置, 轮体固定装置主要包 括固定座、 固定轴、 转动轴承、 绕绳轮操控手柄、 定位件、 卡位件, 所述固定轴安装固定在所述固定座上, 所述固定座固定在吊体上, 变截面绕绳轮的安装孔与所述转动轴承配合并通过所述固定轴安装固定使绕绳 轮可以绕固轴转动, 绕绳轮操控手柄固定在绕绳轮上, 人手通过对绕绳轮操控手柄施加作用力可以使绕绳 轮转过一个角度, 定位件固定在绕绳轮上, 卡位件固定在吊体上, 定位件与卡位件接触时限制绕绳轮转动 并使绕绳轮停留在设定位置, 人手松开对绕绳轮操控手柄的操作时绕绳轮将停留在设定位置上;
使用时, 工作绳从穿绳孔穿过并绕过绕绳轮缠绕在绳索凹槽上, 工作绳固定端经穿绳孔固定在高处, 工作绳自由端经穿绳孔下垂至低处, 人体通过连接件与吊孔连接固定, 当人体单独由吊孔承吊时, 穿绳孔 中的工作绳固定端与工作绳自由端两者之间互相接触并压紧, 阻止工作绳滑行, 使人体处于悬停状态, 当 人体通过吊体操控手柄对悬吊器施加拉力时悬吊器发生偏转, 使穿绳孔中的工作绳固定端与工作绳自由端 两者之间的压力减小、 或使两者分离, 而且, 当人体通过对绕绳轮操控手柄施加拉力并使轮体转过一个角 度, 此时与绳索接触的凹槽深度和角度发生改变, 使绳索与绕绳轮之间的摩擦力也发生变化, 由此调节人 体下降速度, 当人体松开对绕绳轮操控手柄的操作时绕绳轮将回转并停留在设定位置上, 此时人体下降的 速度将减慢或停止下降。
本发明的优选方案是: 所述 u形穿绳件为圆形钢材弯曲而成, 所述吊体上设置有固定插孔, 所述 U形 穿绳件的两个插脚分别插入所述固定插孔当中并焊接固定。
本发明的优选方案是: 所述吊体操控手柄为折叠式结构, 在所述吊体上还设置有手柄转轴、 手柄固定 件, 所述吊体操控手柄通过所述手柄转轴安装在所述吊体上, 折叠或打开时, 吊体操控手柄可以绕手柄转 轴转动, 手柄固定件对吊体操控手柄起限位作用。 本发明的有益效果是, 本发明提出的悬吊器, 由于设置偏向一侧吊孔和操作悬吊器偏转的操控手柄, 使悬吊器具有自锁功能, 能确保使用者的安全; 当需要下降时, 只需通过操控手柄对悬吊器施加拉力, 使 悬吊器发生偏转即可解除自锁并使人体下降, 操作简单方便; 并且, 由于采用了变截面绕绳轮, 人手可以 通过操作绕绳轮转动使绳索与绕绳轮之间的摩擦力发生变化, 由此实现人体下降速度可控。
附图说明
图 1、 图 2、 图 3为现有 8字环式悬吊器的结构示意图; 其中图 1为立体结构示意图、 图 2为平面结 构示意图, 图 3为使用时的结构示意图。
图 4、 图 5、 图 6、 图 7、 图 8、 图 9为变截面绕绳轮第一个实施例的结构示意图; 其中图 4为主视图、 图 5为左视图, 图 6为 I-I位置的剖视图 (槽底剖面图), 图 9为立体图; 图 7、 图 8为绳索缠绕在绕绳轮 上的结构示意图, 其中图 8为图 7在绕绳轮转过一个角度后的结构示意图
图 10、 图 11、 图 12、 图 13为变截面绕绳轮第二个实施例的结构示意图; 其中图 10为主视图、 图 11 为左视图, 图 12为 K-K位置的剖视图 (槽底剖面图), 图 13为立体图。
图 14为变截面绕绳轮第三个实施例的结构示意图。
图 15为变截面绕绳轮第四个实施例的结构示意图。
图 16为变截面绕绳轮第五个实施例的结构示意图。
图 17为变截面绕绳轮第六个实施例的结构示意图。
图 18为变截面绕绳轮第七个实施例的结构示意图。
图 19、 图 20、 图 21、 图 22为变截面绕绳轮第八个实施例的结构示意图, 其中图 19为主视图、 图 20 为左视图, 图 21为 L-L位置的剖视图 (槽底剖面图), 图 22为立体图。
图 23、 图 24、 图 25、 图 26为变截面绕绳轮第九个实施例的结构示意图, 其中图 23为主视图、 图 24 为左视图, 图 25为 M-M位置的剖视图 (槽底剖面图), 图 26为立体图。
图 27、 图 28、 图 29、 图 30、 图 31、 图 32、 图 33为采用变截面绕绳轮的悬吊器第一个实施例的结构 示意图。 其中图 27、 图 28、 图 29为局部零件图; 图 30、 图 31为整体结构示意图; 图 32、 图 33为使用 时的结构示意图, 其中 32为悬停时的结构示意图, 图 33为下降时的结构示意图。
图 34、 图 35为采用变截面绕绳轮的悬吊器第二个实施例的结构示意图。
图 36为采用变截面绕绳轮的悬吊器第三个实施例的结构示意图。
图 37、 图 38为采用变截面绕绳轮的悬吊器第四个实施例的结构示意图。
图中:
1.吊体, 1. 1穿绳孔, 1. 2吊孔, 1. 3腰部, 1. 4吊体操控手柄, 1. 4A手柄转轴, 手柄固定件 1. 4B, 1. 5. 1、 1. 5. 2固定插孔;
2. U形穿绳件, 2. 1、 2. 2插脚;
3. 工作绳, 3. 1工作绳固定端, 3. 2工作绳自由端;
4.连接件;
5.人体, 5. 1、 5. 2人手;
6. 1变截面绕绳轮轮体, 6. 1A V形凹槽, 6. 1AA最深处凹槽, 6. 1AB最浅处凹槽, 6. 1A1圆角, 6. 1A2 平面, 6. 1B椭圆形凹槽, 6. 2安装孔, 6. 3A、 6. 3B护绳板, 6-1 左轮片, 6-2 右轮片;
7轮体固定装置, 7. 1固定座, 7. 2固定轴, 7. 2A端帽, 7. 3A、 7. 3B螺母, 7. 4A轴承垫片, 7. 5轴承, 7. 6绕绳轮操控手柄, 定位件 7. 7, 卡位件 7. 8。
具体实施方式
图 1、 图 2、 图 3为现有 8字环式悬吊器的结构示意图; 其中图 1为立体结构示意图、 图 2平面结构 示意图, 图 3为使用时的结构示意图。
图 1、 图 2中显示, 现有 8字环式悬吊器由具有穿绳孔 1. 1、 吊孔 1. 2的吊体 1构成。
图 3为使用时的结构示意图,图 3中显示,使用时,工作绳从穿绳孔 1. 1中穿过并套接在吊体腰部 1. 3 上, 工作绳固定端 3. 1经穿绳孔 1. 1固定在高处, 工作绳自由端 3. 2经穿绳孔 1. 1下垂至低处, 人体 5通 过连接件 4与吊孔 1. 2连接固定。 使用时, 由于现有 8字环式悬吊器自锁有困难, 因此使用者在下降过程 中, 必须对工作绳自由端 3. 2施加持续的拉力才能控制下降速度, 如果需要长时间悬停, 必须将工作绳自 由端进行固定处理, 因此, 由于操作上的不方便, 对于没有受过专业训练的人员来讲, 使用时存在一定的 安全隐患。
图 4、 图 5、 图 6、 图 7、 图 8、 图 9为变截面绕绳轮第一个实施例的结构示意图; 其中图 4为主视图, 图 5为左视图, 图 6为 I-I位置的剖视图 (槽底剖面图), 图 9为立体图; 图 7、 图 8为绳索缠绕在绕绳轮 上的结构示意图, 其中图 8为图 7在绕绳轮转过一个角度后的结构示意图。
图 4、 图 5、 图 6、 图 9显示, 在本实施例中, 变截面绕绳轮包括轮体 6. 1和安装孔 6. 2, 其特征是, 轮体 6. 1上设置有变截面绳索凹槽, 所述绳索凹槽的截面沿圆周方向变化, 绳索凹槽呈 V形结构, 沿圆周 方向 V形凹槽 6. 1A的深度和夹角发生变化, 所述轮体 6. 1通过安装孔 6. 2安装固定并可以绕安装孔转动。 图 7、 图 8显示, 当处于图 7位置时, 工作绳 3与最深处凹槽 6. 1M接触, 此时的绳索凹槽最深, 夹角最 小, 工作绳 3与轮体 6. 1之间的摩擦力将最大。 当轮体 6. 1转动至处于图 8位置时, 工作绳 3与最浅处凹 槽 6. 1AB接触, 此时的绳索凹槽最浅, 夹角最大, 工作绳 3与轮体 6. 1之间的摩擦力将最小。 通过操作轮 体 6. 1转动可以控制绳索与轮体之间的摩擦力, 由此调节人体下降的速度。 在本实施例中, 轮体 6. 1为一 体式结构。
图 6显示, 在本实施例中, 沿一个圆周方向只出现一个最深处凹槽 6. 1AA、 一个最浅处凹槽 6. 1AB。 本发明提示, 在其它实施例中, 沿一个圆周方向可以出现多个最深处凹槽和多个最浅处凹槽。
在本实施例中, 轮体为圆形结构, 本发明提示, 在其它实施例中, 也可以将轮体改进为椭圆形结构, 前提是确保轮体的转动不受影响。
图 10、 图 11、 图 12、 图 13为变截面绕绳轮第二个实施例的结构示意图; 其中图 10为主视图、 图 11 为左视图, 图 12为 K-K位置的剖视图 (槽底剖面图), 图 13为立体图。 图中显示, 与第一个实施例不同 的是, 在本实施例中, 最浅处凹槽 6. 1AB深度为 0, 夹角为 180度, 也就是说, 绕绳轮在此处呈光滑圆柱 面结构 (不存在凹槽)。 在本实施例中, 变截面绕绳轮沿一个圆周方向只在一个点处呈光滑圆柱面 (不存 在凹槽); 本发明提示, 在其它实施例中, 变截面绕绳轮沿一个圆周方向可以在一个角度内呈光滑圆柱面 (不存在凹槽)。
图 14为变截面绕绳轮第三个实施例的结构示意图。 图中显示, 与第一个实施例不同的是, 在本实施 例中, 所述绳索凹槽的截面呈 V形结构并且槽底为圆角, 绳索凹槽槽底具有圆角 6. 1A1, V形凹槽 6. 1A的 深度和夹角沿圆周方向发生变化。
图 15为变截面绕绳轮第四个实施例的结构示意图。 图中显示, 与第一个实施例不同的是, 在本实施 例中, 所述绳索凹槽的截面呈 V形结构并且槽底为平面, 绳索凹槽槽底具有平面 6. 1A2, V形凹槽 6. 1A的 深度和夹角沿圆周方向发生变化。
图 16为变截面绕绳轮第五个实施例的结构示意图。 图中显示, 与第一个实施例不同的是, 在本实施 例中, 所述绳索凹槽的截面呈局部椭圆形结构, 椭圆形凹槽 6. 1B的深度沿圆周方向发生变化。
图 17为变截面绕绳轮第六个实施例的结构示意图。 图中显示, 与第一个实施例不同的是, 在本实施 例中, 所述轮件的两个侧面设置有护绳板 6. 3A、 6. 3B, 护绳板 6. 3A、 6. 3B的作用是将绳索限制在绳索凹 槽中。
图 18为变截面绕绳轮第七个实施例的结构示意图。 图中显示, 与第一个实施例不同的是, 在本实施 例中, 所述轮体 6. 1由左轮片 6-1、 右轮片 6-2贴合固定而成的给合式结构, 左轮片 6-1、 右轮片 6-2贴 合固定之后构成变截面绳索凹槽, 在本实施例中, 所构成的绳索凹槽为 V形凹槽 6. 1A。
图 19、 图 20、 图 21、 图 22为变截面绕绳轮第八个实施例的结构示意图, 其中图 19为主视图、 图 20 为左视图, 图 21为 L-L位置的剖视图 (槽底剖面图), 图 22为立体图。 图中显示, 与第一个实施例不同 的是, 在本实施例中, 轮体 6. 1呈椭圆形结构; 在图 21 的剖视图中显示, 绳索凹槽的槽底剖面呈圆形结 构, 绳索凹槽 6. 1A的截面沿圆周方向变化, 绳索凹槽 6. 1A在一个圆周里出现两个最深处凹槽 6. 1AA、 两 个最浅处凹槽 6. 1AB。 图 23、 图 24、 图 25、 图 26为变截面绕绳轮第九个实施例的结构示意图, 其中图 23为主视图、 图 24 为左视图, 图 25为 M-M位置的剖视图 (槽底剖面图), 图 26为立体图。 图中显示, 与第一个实施例不同 的是, 在本实施例中, 轮体 6. 1呈圆形结构; 在图 25的剖视图中显示, 绳索凹槽的槽底剖面呈椭圆形结 构, 绳索凹槽 6. 1A的截面沿圆周方向变化, 绳索凹槽 6. 1A在一个圆周里出现两个最深处凹槽 6. 1AA、 两 个最浅处凹槽 6. 1AB。
本发明提示, 在其它实施例中, 所述绳索凹槽的截面可以呈其它弧形结构并且凹槽的深度和 /或宽度沿 圆周方向发生变化。
图 27、 图 28、 图 29、 图 30、 图 31、 图 32、 图 33为采用变截面绕绳轮的悬吊器第一个实施例的结构 示意图。 其中图 27、 图 28、 图 29为局部零件图; 图 30、 图 31为整体结构示意图; 图 32、 图 33为使用 时的结构示意图, 其中 32为悬停时的结构示意图, 图 33为下降时的结构示意图。
在图 30、 图 31中显示, 在本实施例中, 悬吊器由具有吊孔 1. 2的吊体 1以及设置在吊体上的 U形穿 绳件 2构成, U形穿绳件 2为圆形钢材弯曲而成, 吊体上设置有固定插孔 1. 5. 1、 1. 5. 2, U形穿绳件的两 个插脚 2. 1、 2. 2分别插入固定插孔 1. 5. 1、 1. 5. 2当中并焊接固定在吊体 1上, U形穿绳件 2的 U形口与 吊体之间构成穿绳孔 1. 1, 吊孔 1. 2设置在偏向一侧的位置, 在吊体 1的另一侧还设置有控制悬吊器偏转 的吊体操控手柄 1. 4, 在吊体 1上还设置轮体固定装置 7。
在图 27、 图 28、 图 29中显示, 轮体固定装置 7主要包括固定座 7. 1、 固定轴 7. 2、 转动轴承 7. 5、 绕 绳轮操控手柄 7. 6, 在本实施例中, 固定轴 7. 2的两个端头为螺紋结构, 固定轴 7. 2通过螺母 7. 3A、 7. 3B 固定在固定座 7. 1上, 固定座 7. 1固定在吊体 1上, 变截面绕绳轮的安装孔 6. 2与所述转动轴承 7. 5配合 并通过所述固定轴 7. 2安装固定使绕绳轮可以绕固轴 7. 2转动, 绕绳轮操控手柄 7. 6固定在轮体 6. 1上, 在固定轴 7. 2的一端, 轴承 7. 5与固定座 7. 1之间设置有轴承垫片 7. 4A, 同理, 在固定轴 7. 2的另一端, 轴承 7. 5与固定座 7. 1之间也设置有轴承垫片。
在本实施例中, 绕绳轮操控手柄 7. 6与定位件是同一个构件, 固定座与卡位件是同一件构件, 绕绳轮 操控手柄 7. 6与固定座 7. 1接触时限制绕绳轮转动并使绕绳轮停留在设定位置, 在此设定位置上, 与绳索 接触的绳索凹槽是最深处凹槽; 当人手 5. 2通过对绕绳轮操控手柄 7. 6施加拉力可以使绕绳轮转过一个角 度, 当人手 5. 2松开对绕绳轮操控手柄 7. 6的操作时绕绳轮将停留在设定位置上。
在本实施施例, 轮体固定装置 7可以采用以下固定方式与吊体 1固定: 在固定座 7. 1上设置固定孔并 通过紧固件(螺栓、 铆钉等) 进行固定; 另外, 也可以采用焊接的方式将固定座 7. 1直接与吊体 1焊接固 定。
在本实施施例, 绕绳轮操控手柄 7. 6可以采用焊接的方式固定在轮体 6. 1上。
图 32、 图 33为使用时的结构示意图, 32为悬停时的结构示意图, 图 33为下降时的结构示意图。 图 32显示, 使用时, 工作绳 3从穿绳孔穿过并绕过变截面绕绳轮轮体 6. 1缠绕在绳索凹槽上, 工作绳固定端 3. 1经穿绳孔 1. 1固定在高处, 工作绳自由端 3. 2经穿绳孔 1. 1下垂至低处, 人体 5通过连接件 4与吊孔 1. 2连接固定; 当人体 5单独由吊孔 1. 2承吊时, 穿绳孔中的工作绳固定端 3. 1与工作绳自由端 3. 2两者 之间互相接触并压紧, 阻止工作绳滑行, 使人体 5处于悬停状态; 在图 32中, 由于人体重力的作用, 工 作绳与轮体 6. 1之间产生摩擦力导致轮体 6. 1转动, 当绕绳轮操控手柄 7. 6与固定座 7. 1接触时绕绳轮将 停留在设定位置, 此时与绳索接触的绳索凹槽是最深处凹槽, 凹槽最深, 夹角最小, 工作绳与轮体之间的 摩擦力将最大; 当绕绳轮处于此位置时, 人体下降的速度将减慢或停止下降。
图 33显示, 当需要下降时, 人手 5. 1通过吊体操控手柄 1. 4对悬吊器施加拉力时悬吊器将发生偏转, 使穿绳孔 1. 1中的工作绳固定端 3. 1与工作绳自由端 3. 2两者之间的压力减小、 或使两者分离; 另外, 当 人手 5. 2通过对绕绳轮操控手柄 7. 6施加拉力并使轮体 6. 1转过一个角度, 此时与绳索接触的凹槽深度和 角度发生改变, 使绳索与绕绳轮之间的摩擦力也发生变化, 由此调节人体下降速度。 当人手 5. 2松开对绕 绳轮操控手柄 7. 6的操作时绕绳轮将回转并停留在图 32中所示的位置上, 此时人体下降的速度将减慢或 停止下降。
图 34、 图 35为采用变截面绕绳轮的悬吊器第二个实施例的结构示意图。 图中显示, 与悬吊器第一个 实施例不同的是, 在本实施例中, 固定轴 7. 2的一端具有端帽 7. 2A、 另一端具有螺紋结构, 固定轴 7. 2通 过端帽 7. 2A、 螺母 7. 3B固定在固定座 7. 1上。
图 36为采用变截面绕绳轮的悬吊器第三个实施例的结构示意图。 图中显示, 与悬吊器第一个实施例 不同的是, 在本实施例中, 在轮体 6. 1上设置有定位件 7. 7, 在吊体 1上设置有卡位件 7. 8 ; 当定位件 7. 7 与卡位件 7. 8接触时限制绕绳轮转动并使绕绳轮停留在设定位置上。
图 37、 图 38、 图 39为悬吊器第四个实施例的结构示意图。 其中图 37为正面结构示意图, 图 38、 图 39为背面结构示意图, 图中显示, 与第一个实施例不同的是, 在本实施例中, 吊体操控手柄 1. 4为折叠结 构,在吊体 1上还设置有手柄转轴 1. 4A、 手柄固定件 1. 4B, 吊体操控手柄 1. 4通过手柄转轴 1. 4A安装在吊 体 1上, 折叠或打开时, 吊体操控手柄 1. 4可以绕手柄转轴 1. 4A转动; 图 37、 图 38显手柄折叠后的结构 示意图; 图 39为手柄打开时的结构示图, 图中显示, 需要打开手柄时, 将手柄 1. 4转动至碰到手柄固定 件 1. 4B位置, 手柄固定件 1. 4B对吊体操控手柄 1. 4起限位作用。
本发明提示, 在其它实施例中, 可以采用在吊孔的另一侧设置拉绳的方式来控制悬吊器偏转, 只要能 够控制悬吊器偏转的操控方式就可以实现本发明的目的。

Claims

权 利 要 求 书
1. 一种变截面绕绳轮, 包括轮体和安装孔, 其特征是, 所述轮体上设置有变截面绳索凹槽, 所述绳索凹 槽的截面形状沿圆周方向变化, 所述轮体通过安装孔安装固定并可以绕安装孔转动, 当轮体转动时, 与绳 索接触的凹槽截面形状发生变化, 导致绳索与轮体之间的摩擦力也随之发生变化。
2. 根据权利要求 1所述的变截面绕绳轮, 其特征是, 所述绳索凹槽的截面呈 V形结构, V形凹槽的深度 和夹角沿圆周方向发生变化。
3. 根据权利要求 2所述的变截面绕绳轮, 其特征是, 所述绳索凹槽的截面呈 V形结构并且槽底为圆角, V形凹槽的深度和夹角沿圆周方向发生变化。
4. 根据权利要求 2所述的变截面绕绳轮, 其特征是, 所述绳索凹槽的截面呈 V形结构并且槽底为平面, V形凹槽的深度和夹角沿圆周方向发生变化。
5. 根据权利要求 1所述的变截面绕绳轮, 其特征是, 所述绳索凹槽的截面呈局部椭圆形结构, 椭圆形凹 槽的深度沿圆周方向发生变化。
6. 根据权利要求 1所述的变截面绕绳轮, 其特征是, 所述轮体的两个侧面设置有护绳板, 护绳板的作用 是将绳索限制在凹槽中。
7. 根据权利要求 1所述的变截面绕绳轮, 其特征是, 所述轮体由左轮片、 右轮片贴合固定而成的给合式 结构, 左轮片、 右轮片贴合固定之后构成变截面绳索凹槽。
8. 一种采用第 1至第 7任何一项权利要求所述变截面绕绳轮的悬吊器, 其特征是, 悬吊器由具有吊孔的 吊体以及设置在吊体上的 u形穿绳件构成, U形穿绳件的 U形口与吊体构成穿绳孔, 所述吊孔设置在偏向 一侧的位置, 在吊体的另一侧还设置有控制悬吊器偏转的吊体操控手柄, 在吊体上设置轮体固定装置, 轮 体固定装置主要包括固定座、 固定轴、 转动轴承、 绕绳轮操控手柄、 定位件、 卡位件, 所述固定轴安装固 定在所述固定座上, 所述固定座固定在吊体上, 变截面绕绳轮的安装孔与所述转动轴承配合并通过所述固 定轴安装固定使绕绳轮可以绕固轴转动, 绕绳轮操控手柄固定在绕绳轮上, 人手通过对绕绳轮操控手柄施 加作用力可以使绕绳轮转过一个角度, 定位件固定在绕绳轮上, 卡位件固定在吊体上, 定位件与卡位件接 触时限制绕绳轮转动并使绕绳轮停留在设定位置, 人手松开对绕绳轮操控手柄的操作时绕绳轮将停留在设 定位置上;
使用时, 工作绳从穿绳孔穿过并绕过绕绳轮缠绕在绳索凹槽上, 工作绳固定端经穿绳孔固定在高处, 工作绳自由端经穿绳孔下垂至低处, 人体通过连接件与吊孔连接固定, 当人体单独由吊孔承吊时, 穿绳孔 中的工作绳固定端与工作绳自由端两者之间互相接触并压紧, 阻止工作绳滑行, 使人体处于悬停状态, 当 人体通过吊体操控手柄对悬吊器施加拉力时悬吊器发生偏转, 使穿绳孔中的工作绳固定端与工作绳自由端 两者之间的压力减小、 或使两者分离, 而且, 当人体通过对绕绳轮操控手柄施加拉力并使轮体转过一个角 度, 此时与绳索接触的凹槽深度和角度发生改变, 使绳索与绕绳轮之间的摩擦力也发生变化, 由此调节人 体下降速度, 当人体松开对绕绳轮操控手柄的操作时绕绳轮将回转并停留在设定位置上, 此时人体下降的 速度将减慢或停止下降。
9. 根据权利要求 8所述的悬吊器, 其特征是, 所述 U形穿绳件为圆形钢材弯曲而成, 所述吊体上设置有 固定插孔, 所述 U形穿绳件的两个插脚分别插入所述固定插孔当中并焊接固定。
10. 根据权利要求 8所述的悬吊器, 其特征是, 所述吊体操控手柄为折叠式结构, 在所述吊体上还设置有 手柄转轴、 手柄固定件, 所述吊体操控手柄通过所述手柄转轴安装在所述吊体上, 折叠或打开时, 吊体操 控手柄可以绕手柄转轴转动, 手柄固定件对吊体操控手柄起限位作用。
PCT/CN2012/084525 2012-10-31 2012-11-13 一种变截面绕绳轮及其悬吊器 WO2014067175A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210427424.7 2012-10-31
CN201210427424.7A CN103785119B (zh) 2012-10-31 2012-10-31 一种悬吊器

Publications (1)

Publication Number Publication Date
WO2014067175A1 true WO2014067175A1 (zh) 2014-05-08

Family

ID=50626376

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/084525 WO2014067175A1 (zh) 2012-10-31 2012-11-13 一种变截面绕绳轮及其悬吊器

Country Status (2)

Country Link
CN (1) CN103785119B (zh)
WO (1) WO2014067175A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SI25029A (sl) * 2015-07-24 2017-01-31 Samo Goljevšček Vrvna zavorna naprava
CN107181204B (zh) * 2017-04-27 2018-11-30 东阳市光明电力建设有限公司 高压带电紧线保护器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2439678A1 (de) * 1974-08-19 1976-03-04 Wolfgang Siersch Vorrichtung zum bremsen von seilen, insbesondere von textilseilen
FR2554102A1 (fr) * 1983-10-27 1985-05-03 Petzl Fernand Dispositif autobloquant mixte de descente et de remontee le long d'une corde verticale
US5850893A (en) * 1995-11-28 1998-12-22 Zedel Self-locking descender for a rope with an operating lever
CN202236936U (zh) * 2011-08-31 2012-05-30 何少敦 一种绳索缓降器的绕绳轮
CN202844415U (zh) * 2012-10-26 2013-04-03 何少敦 一种变截面绕绳轮及其悬吊器
CN202892706U (zh) * 2012-10-31 2013-04-24 何少敦 一种变截面绕绳轮及其悬吊器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE62139T1 (de) * 1987-08-12 1991-04-15 Boris Rogelja Abseilgeraet.
CN1024257C (zh) * 1989-04-29 1994-04-20 洪启发 爬绳器
GB2290852A (en) * 1994-06-28 1996-01-10 Gemini Plastics Machinery Ltd Manually operable braking device for a line
DE19516645C1 (de) * 1995-05-05 1996-09-12 Miroslav Dipl Ing Pejcinovic Selbstblockierende Seilbremse zur Selbstsicherung beim Klettern
CN201216823Y (zh) * 2007-05-21 2009-04-08 施云宝 高楼安全自救绳索求生器
US20090120720A1 (en) * 2007-11-13 2009-05-14 Johnny Wayne Arms Frictionless descender for abseiling along a rope
CN101766873B (zh) * 2010-01-22 2011-12-21 北京龙灵科技有限公司 一种绳索传动的自动制动装置
CN102716554B (zh) * 2012-06-05 2015-07-22 何少敦 一种悬吊器
CN103785122A (zh) * 2012-10-26 2014-05-14 何少敦 一种变截面绕绳轮及其悬吊器
CN103785120A (zh) * 2012-10-26 2014-05-14 何少敦 一种变截面绕绳轮及其悬吊器
CN103785121B (zh) * 2012-10-26 2016-03-16 何少敦 一种采用变截面绕绳轮的悬吊器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2439678A1 (de) * 1974-08-19 1976-03-04 Wolfgang Siersch Vorrichtung zum bremsen von seilen, insbesondere von textilseilen
FR2554102A1 (fr) * 1983-10-27 1985-05-03 Petzl Fernand Dispositif autobloquant mixte de descente et de remontee le long d'une corde verticale
US5850893A (en) * 1995-11-28 1998-12-22 Zedel Self-locking descender for a rope with an operating lever
CN202236936U (zh) * 2011-08-31 2012-05-30 何少敦 一种绳索缓降器的绕绳轮
CN202844415U (zh) * 2012-10-26 2013-04-03 何少敦 一种变截面绕绳轮及其悬吊器
CN202892706U (zh) * 2012-10-31 2013-04-24 何少敦 一种变截面绕绳轮及其悬吊器

Also Published As

Publication number Publication date
CN103785119B (zh) 2016-12-21
CN103785119A (zh) 2014-05-14

Similar Documents

Publication Publication Date Title
WO2013166846A1 (zh) 一种悬吊器
WO2013181868A1 (zh) 一种悬吊器
CN101920075B (zh) 高楼逃生器
WO2013163825A1 (zh) 一种悬吊器
CN105148418B (zh) 恒速缓降器
CN202844415U (zh) 一种变截面绕绳轮及其悬吊器
CN202892706U (zh) 一种变截面绕绳轮及其悬吊器
WO2014067175A1 (zh) 一种变截面绕绳轮及其悬吊器
CN202933409U (zh) 一种变截面绕绳轮及其悬吊器
CN105833437B (zh) 一种绳索下降器
WO2014063385A1 (zh) 一种变截面绕绳轮及其悬吊器
WO2014063429A1 (zh) 一种变截面绕绳轮及其悬吊器
WO2014063423A1 (zh) 一种变截面绕绳轮及其悬吊器
CN207871291U (zh) 下降器
WO2014063428A1 (zh) 一种变截面绕绳轮及其悬吊器
CN108517664A (zh) 一种具有逃生功能的晾衣架
CN110639135B (zh) 扭绳式缓降器
WO2014059696A1 (zh) 一种悬吊器
WO2014040331A1 (zh) 一种悬吊器
CN105056416A (zh) 一种可控升降保护器
WO2014043948A1 (zh) 一种悬吊器
CN110975178B (zh) 高楼逃生缓降器
WO2014019273A1 (zh) 一种悬吊器
CN206730410U (zh) 一种新型绳索攀爬器
WO2013152517A1 (zh) 一种下降器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12887595

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12887595

Country of ref document: EP

Kind code of ref document: A1