JP2021075373A - Hanging-up device - Google Patents

Abstract

To operate the opening/closing of a hanging member for hanging a body to be lifted in an interlocking manner with the vertical motion of a wire body without using electricity.SOLUTION: A hanging-up device includes: a seat body 20 that is used by being mounted on a lower end of a wire body 11 which is vertically moved by being wound/rewound by a winding/rewinding device when lifting a body 40 to be lifted, and is seated on an upper part of the body 40 to be lifted by the downward motion of the wire body 11; a hanging member 23 mounted on the seat body 20 to be openable/closable and engaged with and disengaged from an engagement part 41 included in the body 40 to be lifted by the opening/closing movement; a movable body 30 that is mounted to be vertically moved relative to the seat body 20, operates the hanging member 23 in a direction of an engaging position with the engagement part 41 when the movable body is moved upward relative to the seat body 20, and operates the hanging member 23 in a direction of a disengaging position when the movable body is moved downward relative to the seat body 20; and a locking/unlocking mechanism 30L.SELECTED DRAWING: Figure 1

Description

The present invention relates to a lifting device.
More specifically, when suspending a suspended body such as luggage, it is unwound by a hoisting hoisting device such as a crane (for example, a hoist crane), and is attached to the lower end of a wire to be wound (for example, a wire rope). The present invention relates to a lifting device that operates by interlocking the opening and closing of a hanging member (hook, claw, etc.) that suspends a suspended body with the vertical movement of a wire rope.

The conventional suspension method will be described with reference to FIGS. 22 (a) to 22 (d).
FIG. 22A is a plan view and a front view of the stem 40, which is an example of the suspended body.
The stem 40 is provided with a hanging metal fitting 41 as an engaging portion for hanging.
FIG. 22B is a view showing a state in which the product B is put in the stem 40 and the hook 42 is inserted in the place of the hanging metal fitting 41 on the upper part of the stem 40.
FIG. 22C shows a state diagram in which the product B is put in the stem 40 and stacked in two layers, and the hook 42 is in a high position, so that it is difficult to remove the hook 42 from the stem 40.
As shown in FIG. 22D, there is a problem that it is difficult to remove the hook 42 from the stem 40 when the product (not shown) put in the stem 40 is put in the drying oven C, for example. Also, working with the Wylope R for slinging is a very dangerous work.

Conventionally, as a crane for suspending a suspended body, for example, a hoist crane as shown in FIG. 1 of Patent Document 1 has been used, and it is attached to the lower end of a wire body (for example, a wire rope) that is wound down and wound up by the crane. An electric type is known as a lifting device to be used.

However, the electric type has a drawback that the electric cord may be wound around the wire rope of the hoist because an electric cord is required.

Japanese Unexamined Patent Publication No. 2013-018619

An object to be solved by the present invention is to provide a lifting device capable of operating the opening and closing of a hanging member for suspending a suspended body in conjunction with the vertical movement of the wire without using electricity.

In order to solve the above problems, the lifting device of the present invention
It is a lifting device that is used by being attached to the lower end of a wire that moves up and down by being unwound by a hoisting and hoisting device when the suspended body is hung.
A seated body that sits on the upper part of the suspended body due to the downward movement of the wire body,
A hanging member that is attached to the seating body so that it can be opened and closed, and that engages and disengages with the engaging portion of the suspended body by the opening and closing operation.
It is attached so as to be able to move up and down relative to the seated body, and when it moves up relative to the seated body, the hanging member is operated in the direction of engagement with the engaging portion to the seated body. A movable body that operates the suspension member in the direction of the disengagement position when it moves relatively downward,
A cam rotor that is rotatably provided around a vertical axis in the seated body and has cam surfaces on the upper and lower surfaces, and a cam rotor that is provided above and below the cam rotor in the movable body and hits the cam surface of the cam rotor. By contacting, the range of vertical movement of the movable body is defined, and the upper and lower actuators that rotate the cam rotor at predetermined pitch intervals and the upper and lower actuators provided on the cam rotor and above the lower cam surface of the lower actuator are provided. A lock / unlock mechanism with a lower actuator receiving groove that allows movement to
(1) Initial state (locked state) in which the lower actuator is brought into contact with the lower cam surface to prevent the movable body from moving upward with respect to the seated body and hold the suspension member in the disengaged position.
(2) By the downward movement of the movable body with respect to the seated body after the seated body is seated on the suspended body by the downward movement of the wire body, the upper actuator is brought into contact with the upper cam surface to rotate the cam rotor. , Unlocked state that allows the lower actuator to move upward into the lower actuator receiving groove of the cam rotor (unlocked state)
(3) When the wire body moves upward, the movable body moves upward so that the lower actuator enters the lower actuator receiving groove, and the suspending member is moved to the engaging position. Lifting state away from (4) After the seated body is seated on the suspended body by the downward movement of the wire, the movable body moves downward so that the lower actuator comes out of the lower actuator receiving groove, and the upper actuator moves downward. In contact with the upper cam surface, the cam rotor rotates, the lower actuator receiving groove shifts from the lower actuator in the rotational direction, and the suspending member moves to the disengaged position (5). A lock / unlock mechanism that repeats the return operation to the initial state of (1) by moving the wire upward, and
It is characterized by having.

This hanging device is used by being attached to the lower end of a wire body that moves up and down by being unwound and hoisted by a hoisting and hoisting device (hereinafter, also referred to as a crane), and operates as follows.

(1) The lower actuator is brought into contact with the lower cam surface of the cam rotor to prevent the movable body from moving upward with respect to the seated body, and the suspension member is held in the disengaged position in the initial state.
When this hanging device (hereinafter, also referred to as this device) is in the initial state, the moving body is prevented from moving downward with respect to the seated body, so that the hanging member is locked.

(2) By operating the crane, the device is moved above the suspended body, the wire is moved downward to lower the device, the seated body is seated on the suspended body, and then the wire is further moved. Move down to move the movable body down with respect to the seated body.
Then, the upper actuator abuts on the upper cam surface of the cam rotor to rotate the cam rotor, and the cam rotor can move upward of the lower actuator toward the lower actuator receiving groove. It becomes the unlocked state (unlocked state).

(3) When the wire is moved upward by the operation of the crane, the movable body moves upward so that the lower actuator enters the lower actuator receiving groove of the cam rotor, whereby the suspension member is moved to the suspended body. When it moves to the engagement position with the engaging part and can be lifted, and when the wire is further moved upward, the seated body is separated from the suspended body and the hanging member is engaged with the engaging part of the suspended body. In addition, the suspended body is in a suspended state.

(4) When the suspended body is transported to a predetermined position by the operation of the crane and the wire body is moved downward, the lower actuator is pulled out of the lower actuator receiving groove after the seated body is seated on the suspended body. The movable body moves down.
As a result, the suspending member is disengaged from the engaging portion of the suspended body and is opened (disengaged position), and the upper actuator comes into contact with the upper cam surface of the cam rotor to rotate the cam rotor. Then, the lower actuator receiving groove is displaced from the lower actuator in the rotational direction, so that the subsequent upward movement of the movable body with respect to the seated body is restricted, and the hanging member is held in the disengaged position (locked state). The suspended body is released.

(5) When the wire is moved upward by the operation of the crane, the lower actuator comes into contact with the lower cam surface of the cam rotor and returns to the initial state of (1).

As described above, according to this lifting device, the opening and closing of the hanging member that suspends the suspended body can be operated in conjunction with the vertical movement of the wire without using electricity.

Further, in order to solve the above problems, the lifting device of the present invention is used.
It is a lifting device that is used by being attached to the lower end of a wire that moves up and down by being unwound by a hoisting and hoisting device when the suspended body is hung.
A seated body that sits on the upper part of the suspended body due to the downward movement of the wire body,
A hanging member that is attached to the seating body so that it can be opened and closed, and that engages and disengages with the engaging portion of the suspended body by the opening and closing operation.
It is attached so as to be able to move up and down relative to the seated body, and when it moves up relative to the seated body, the hanging member is operated in the direction of engagement with the engaging portion to the seated body. A movable body that operates the suspension member in the direction of the disengagement position when it moves relatively downward,
A cam rotor that is rotatably provided around a vertical axis in the movable body and has cam surfaces on the upper and lower surfaces, and a cam rotor that is provided above and below the cam rotor in the seated body and hits the cam surface of the cam rotor. by contacting the upper and lower operating element for rotating the cam rotor at predetermined pitches with defining a range of vertical movement of the movable member 30, provided on the cam rotor 33, from the upper cam face of the upper actuator even in the locking and unlocking mechanism having an actuator receiving groove on to allow the movement to the lower side,
(1) By abut on actuator above the cam surface, the initial state to hold the hanging member by preventing movement on the movable member in disengaged position relative to the seating member (locked)
(2) seating bodies under movement of the wire body is under movement of the movable body relative to the seating body after sitting on the hanging member rotates the cam rotor is abutted against the lower actuator below the cam surface , unlocked condition to allow movement of the relative bottom side of the upper actuator towards the actuator receiving groove on the cam rotor (unlocked state)
(3) When the wire body moves upward , the movable body moves upward so that the upper actuator enters the upper actuator receiving groove, and the suspending member is moved to the engaging position. under dynamic lifting state (4) line body spaced from, after the seating member is seated onto the hanging member, a movable member such upper actuator disengages from the upper actuator receiving groove is moved downward, the lower actuator In contact with the lower cam surface , the cam rotor rotates, the upper actuator receiving groove shifts from the upper actuator in the rotational direction, and the suspending member moves to the disengaged position (5). A lock / unlock mechanism that repeats the return operation to the initial state of (1) by moving the wire upward, and
It is characterized by having.

With this lifting device, the opening and closing of the hanging member that suspends the suspended body can be operated in conjunction with the vertical movement of the wire without using electricity.

In this lifting device,
The cam rotor can be configured to rotate at a pitch of 45 degrees.
With this configuration, the structure of the cam rotor can be simplified.

In this lifting device,
The upper and lower cam surfaces of the cam rotor are each composed of continuous chevron-shaped inclined surfaces, and the upper actuator or lower actuator receiving groove may be formed in the valley portion of the cam rotor in a row on the inclined surface. ..
With this configuration, smooth operation of the cam rotor and the upper and lower actuators can be obtained.

In this lifting device,
A hole formed in the engaging portion is provided in the center of the upper part of the suspended body.
The seated body may be provided with a tapered hanging body that is inserted into a hole in the suspended body.
With this configuration, when the seated body is seated on the upper part of the suspended body, the hanging body of the seated body is inserted into the hole of the suspended body, so that the seated body can be easily aligned with the suspended body. Can be done.

The front view which mainly shows the embodiment of the lifting device which concerns on this invention. The perspective view which shows the embodiment of the lifting device which concerns on this invention. Similarly, (a) is a side sectional view, and (b) is a sectional view taken along line BB in FIG. (A). Similarly, (a) is a partially omitted plan view, and (b) is a partially cut front view. A view showing a cam rotor, (a) is a plan view, (b) is a front view, (c) is a sectional view taken along line cc in FIG. (A), and (d) is a perspective view. The perspective view which shows the use state. In the operation explanatory view, (a) is a front view, (b) is a partial plan view, and (c) is a view showing a cam rotor expanded by 180 degrees. In the operation explanatory view, (a) is a front view, (b1) and (b2) are partial plan views, and (c1) and (c2) are views showing the cam rotor expanded by 180 degrees. In the operation explanatory view, (a) is a front view, (b) is a partial plan view, and (c) is a view showing a cam rotor expanded by 180 degrees. Operation explanation front view. In the operation explanatory view, (a) is a front view, (b1) and (b2) are partial plan views, and (c1) and (c2) are views showing the cam rotor expanded by 180 degrees. Partial cut front view showing another embodiment. Also a perspective view. The perspective view of the claw opening / closing metal fitting 67. The perspective view which shows the use state. In the operation explanatory view, the front view, the view showing the cam rotor expanded by 180 degrees, and the view showing the suspension member together. In the operation explanatory view, the front view, the view showing the cam rotor expanded by 180 degrees, and the view showing the suspension member together. In the operation explanatory view, the front view, the view showing the cam rotor expanded by 180 degrees, and the view showing the suspension member together. In the operation explanatory view, the front view, the view showing the cam rotor expanded by 180 degrees, and the view showing the suspension member together. In the operation explanatory view, the front view, the view showing the cam rotor expanded by 180 degrees, and the view showing the suspension member together. In the operation explanatory view, the front view, the view showing the cam rotor expanded by 180 degrees, and the view showing the suspension member together. (A) to (d) are explanatory views of the prior art.

Hereinafter, embodiments of the lifting device according to the present invention will be described with reference to the drawings. In each figure, the same parts or corresponding parts are designated by the same reference numerals.

As shown in FIGS. 1 to 4, the lifting device 10 of this embodiment is
When the suspended body 40 is hung, it is a lifting device used by being attached to the lower end of a wire body 11 which is wound up by a hoisting and hoisting device (a crane or the like (not shown)) and which moves up and down by being wound up.

The lifting device 10 includes a seating body 20, a hanging member 23, a movable body 30, and a lock / unlock mechanism 30L.

The seating body 20 is seated on the upper part of the suspended body 40 by the downward movement of the line body 11 (FIG. 1). It should be noted that the upward movement of the wire 11 separates it from the upper part of the suspended body 40.

The suspending member 23 is attached to the seating body 20 so as to be openable and closable, and engages with and disengages from the engaging portion 41 included in the suspended body 40 by the opening and closing operation.

The movable body 30 is attached so as to be able to move up and down relative to the seated body 20, and when the movable body 30 moves upward relative to the seated body 20, the suspending member 23 is engaged with the engaging portion 41 in the engaging position direction (FIG. It is operated in the R1 direction of 4), and when it moves downward relative to the seated body 20, the suspension member 23 is operated in the disengagement position direction (R2 direction in FIG. 4).

The lock / unlock mechanism 30L includes a cam rotor 33 and upper and lower actuators 31 and 32.

The cam rotor 33 is rotatably provided around the vertical axis in the seating body 20, and has cam surfaces 33a and 33b on the upper surface and the lower surface.

The upper and lower actuators 31 and 32 are provided above and below the cam rotor 33 in the movable body 30, and come into contact with the cam surfaces 33a and 33b of the cam rotor 33 to adjust the range of vertical movement of the movable body 30. As specified, the cam rotor 33 is rotated at predetermined pitch intervals.

The cam rotor 33 is provided with a lower actuator receiving groove 33c that allows the lower actuator 32 to move above the lower cam surface 33b.

The lock / unlock mechanism 30L repeats the following states (1) to (5).

(1) An initial stage in which the lower actuator 32 is brought into contact with the lower cam surface 33b to prevent the movable body 30 from moving upward with respect to the seated body 20 and hold the suspension member 23 in the disengaged position (see FIG. 7). State (locked state)

(2) The upper actuator 31 is brought into contact with the upper cam surface 33a by the lower movement of the movable body 30 with respect to the seated body 20 after the seated body 20 is seated on the suspended body 40 by the lower movement of the wire body 11. An unlocked state (unlocked state) that allows the cam rotor 33 to rotate and move the lower actuator 32 upward toward the lower actuator receiving groove 33c of the cam rotor 33 (FIGS. 8 and 8). 9)

(3) With the upward movement of the wire body 11, the movable body 30 moves upward so that the lower actuator 32 enters the lower actuator receiving groove 33c, and the suspending member 23 is moved to the engaging position (FIG. 9). (See) and the lifted state in which the seated body 20 is separated from the suspended body 40 (see FIG. 10).

(4) After the seated body 20 is seated on the suspended body 40 by the downward movement of the wire body 11, the movable body 30 is moved downward so that the lower actuator 32 comes out of the lower actuator receiving groove 33c (FIG. 11). (B1) (see (c1)), when the upper actuator 31 comes into contact with the upper cam surface 33a, the cam rotor 33 rotates and the lower actuator receiving groove 33c shifts from the lower actuator 32 in the rotational direction and is suspended. Suspended body 40 released state in which the member 23 moves to the disengagement position (see FIGS. 11 (a) and 11 (b2) and (c2)).

(5) By moving the wire 11 upward, the operation of returning to the initial state (FIG. 7) of (1)

The lifting device 10 of this embodiment will be described in more detail with reference to FIGS. 1 to 4 and the like.
In FIG. 1, reference numeral 43 denotes a hook that is lifted and lowered by a crane or the like (not shown), and the lifting device 10 of the present embodiment is suspended by the hook 43 via a hanging metal fitting 12 and a pair of wire bodies 11 and 11.

The seating body 20 is fixed to the frame 21 and the central connecting portion 21c provided at the upper center of the frame 21 with nuts 22b, and is erected with the shaft 22 and the stopper (movable) provided at the upper end of the shaft 22. A nut 22a as a stopper that defines the upward movement range of the body 30, a seating plate 13 provided at the lower center of the frame 21, and a tapered hanging that protrudes downward from the seating plate 13 at the lower center of the frame 21. It includes a body 14 and a cam rotor 33 rotatably attached to the shaft 22.

The suspension member 23 is a pair of arms having a hook portion 23a at the lower end and an engaging pin 25 at the upper end, and an intermediate portion in the vertical direction is rotatably attached to the frame 21 by a pin 24.

The movable body 30 includes a tubular casing 26 movably attached to the shaft 22 of the seating body 20, a pair of arms with cam holes fixed to the outer peripheral portion of the casing 26, and a cam hole thereof. It has a (long hole) 27b and upper and lower actuators 31 and 32 provided above and below the inner peripheral surface of the casing 26, and a connecting metal fitting (shackle or the like) is provided in the hole 27a provided in the arm 27 with a cam hole. The above-mentioned wire body (wire rope or the like) 11 is connected and lifted via 15.

The casing 26 is provided with upper and lower lids 26b and 26c.
The upper part of the suspension member 23 has a bifurcated shape in a side view (see FIG. 2), and the engaging pin 25 erected so as to straddle the bifurcated portion is a cam hole (long hole) of the arm 27 with a cam hole. It is movable in 27b. The cam hole 27b has a C-shape and is widened in the front view (FIG. 1).

Therefore, when the movable body 30 (hence, the casing 26 and the arm with cam holes 27) moves downward relative to the seating body 20 (hence, the hanging member 23), as shown by the solid line in FIG. 4 (b), When the hanging member 23 rotates in the direction in which the hook portions 23 open (in the direction of arrow R2) and moves relatively upward, the hanging member 23 hooks as shown by a virtual line in FIG. 4 (b). The portions 23 rotate in the direction of arrow R1 so as to close each other.

As shown in FIG. 3, the shaft 22 has a small diameter portion 22b and a large diameter portion 22c, and the cam rotor 33 is rotatably attached to the small diameter portion 22b via a bearing 34.

As shown in FIG. 5, the upper and lower cam surfaces 33a and 33b of the cam rotor 33 have continuous chevron (corrugated) inclined surfaces 33d and 33e, respectively, and every other cam surface 33b has a valley portion 33g. The receiving groove 33c of the lower actuator 32 is formed so as to be connected to the inclined surface 33e.

Eight inclined surfaces 33d of the upper cam surface 33a are provided at a pitch of 45 degrees, and eight inclined surfaces 33e of the lower cam surface 33b are also provided at a pitch of 45 degrees.
Therefore, when the upper actuator 31 abuts on the inclined surface 33d of the upper cam surface 33a and presses the inclined surface 33d, the cam rotor 33 rotates 45 degrees, and the lower actuator 32 is placed on the inclined surface 33e of the lower cam surface 33b. When the inclined surface 33e is pressed upward by contact with the cam rotor 33, the cam rotor 33 also rotates 45 degrees.

As shown in FIGS. 3 and 4, the upper and lower actuators 31 and 32 are provided so as to be located above and below the cam rotor 33 in the movable body 30, and correspond to the cam surfaces 33a and 33b of the cam rotor 33. By contacting, the range of vertical movement of the movable body 30 is defined, and the cam rotor 33 is rotated at a pitch of 45 degrees.

A pair (two) of upper actuators 31 are provided in a point-symmetrical manner in a plan view.
The lower actuators 32 are also provided in pairs (two) in a point-symmetrical manner in a plan view.

The upper and lower actuators 31 and 32 are plate-shaped (key-shaped) and are fixed by bolts 31b and 32b also shown in FIG.

The upper and lower actuators 31 and 32 have different lengths in the radial direction, and the upper actuator 31 is longer.
Therefore, the lower actuator 32 can enter the receiving groove 33c from below, but the upper actuator 31 comes into contact with the valley portion 33f of the upper cam surface 33a at the upper end of the receiving groove 33c, and enters the receiving groove 33c. It is not possible to enter.

The above-mentioned suspension device 10 is used by being attached to the lower end of a wire body 11 that moves up and down by being unwound and hoisted by a hoisting and hoisting device (hereinafter, also referred to as a crane), and operates as follows. ..

(1) As shown in FIG. 7, the lower cam surface 33b of the cam rotor 33 is brought into contact with the lower actuator 32, and the suspension member 23 is prevented from moving upward with respect to the seated body 20. It is in the initial state of being held in the disengaged position.
When the suspending device (hereinafter, also referred to as the present device) 10 is in the initial state, the movable body 30 is prevented from moving upward with respect to the seated body 20, so that the suspending member 23 is locked.

(2) By operating the crane, as shown in FIGS. 7 to 8, the device 10 is moved above the suspended body 40, the wire 11 is moved downward, the device 10 is lowered, and the seating body 20 is moved. After the (seat plate 13) is seated on the suspended body 40, the wire body 11 is further moved downward (FIG. 8), and the movable body 30 is moved downward with respect to the seated body 20.
Then, from the state shown in FIG. 7 (a), as shown in FIGS. 8 (c1) and 8 (c2), the upper actuator 31 comes into contact with the upper cam surface 33a of the cam rotor 33 and causes the cam rotor 33 to rotate 45 degrees. When rotated, the cam rotor 33 is in an unlocked state (unlocked state) that allows the lower actuator 32 to move upward toward the lower actuator receiving groove 33c (FIG. 8 (c2)). ).

(3) As shown in FIG. 9, when the wire body 11 is moved upward by the operation of the crane, the movable body 30 moves upward so that the lower actuator 32 enters the lower actuator receiving groove 33c of the cam rotor 33. As a result, the pin 25 of the suspending member 23 is guided by the elongated hole 27b, the suspending member 23 moves to the engaging position with the engaging portion 41 of the suspended body 40, and can be lifted. As shown in FIG. 10, the seating body 20 (seat plate 13) is separated from the suspended body 40, and the suspending member 23 is engaged with the engaging portion 41 of the suspended body 40. , The suspended body 40 is lifted.

(4) When the suspended body 40 is transported to a predetermined position (not shown) by the operation of the crane and the wire body 11 is moved downward at the predetermined position, the seating body 20 (seat plate) is as shown in FIG. After 13) is seated on the suspended body 40, the movable body 30 moves downward so that the lower actuator 32 comes out of the lower actuator receiving groove 33c.
As a result, the pin 25 of the hanging member 23 is guided by the elongated hole 27b, the hanging member 23 rotates, and the hook portion 23a is disengaged from the engaging portion 41 of the suspended body 40 and is in an open state (disengagement). It will be in the correct position).
Further, as shown in FIGS. 11 (c1) and 11 (c2), when the upper actuator 31 comes into contact with the upper cam surface 33a of the cam rotor 33, the cam rotor 33 rotates 45 degrees and the lower actuator receiving groove. When the 33c is displaced from the lower actuator 32 in the rotational direction, the subsequent upward movement of the movable body 30 with respect to the seated body 20 is restricted (see FIG. 7), and the suspension member 23 is held in the disengaged position (locked state). Next), the suspended body 40 is released.

(5) When the wire 11 is moved upward by the operation of the crane, as shown in FIG. 7, the lower actuator 32 is in contact with the lower cam surface 33b of the cam rotor 33, and the initial stage of (1) is set. Return to the state.

As described above, according to the lifting device 10, the opening and closing of the hanging member 23 that suspends the suspended body 40 can be operated in conjunction with the vertical movement of the wire 11 without using electricity.
In addition, the following effects can be obtained.

Since the cam rotor 33 is configured to rotate at a pitch of 45 degrees, the structure of the cam rotor can be simplified.
The rotation pitch of the cam rotor can be, for example, a 22.5 degree pitch.
However, in that case, the number of ridges on the cam surface increases and the structure becomes complicated.
On the other hand, in this embodiment, the cam rotor 33 is configured to rotate at a pitch of 45 degrees, so that the structure of the cam rotor can be simplified.

The upper and lower cam surfaces 33a and 33b of the cam rotor 33 are formed of continuous chevron inclined surfaces, and the receiving groove 33c of the lower actuator 32 is formed in the valley portion of the lower cam surface 33b so as to be continuous with the inclined surface. , The cam rotor 33 and the upper and lower actuators 31 and 32 can be smoothly operated.

A hole 40h formed by the engaging portion 41 (see FIGS. 3, 6 and the like) is provided in the upper center of the suspended body 40, and the seated body 20 is inserted into the hole 40h of the suspended body 40. Since the tapered hanging body 14 is provided, when the seating body 20 is seated on the upper part of the suspended body 40 (see FIGS. 7 and 8), the hanging body 14 of the seating body 20 is inserted into the hole 40h of the suspended body 40. By inserting the above, the seating body 20 can be easily aligned with the suspended body 40.

Next, other embodiments will be described with reference to FIGS. 12 to 21.
The main difference between the lifting device of this embodiment and the lifting device described above is that the lifting member is engaged and disengaged from the inside with respect to the engaging portion of the suspended body, and therefore, the seating device is seated. The relative working relationship between the body and the movable body is reversed. Further, the cam rotor 33 is used upside down.
Further, as shown in FIG. 13, the engaging portion 45 of the suspended body 44 suspended by the lifting device 10'of this embodiment has a ring shape.
The details will be described below.

The lifting device 10'of this embodiment includes a member 63 (a, b, c), a movable body 70, and a lock / unlock mechanism 70L.

The seating body 60 is seated on the upper part of the suspended body 44 by the downward movement of the line body 51 (FIG. 12). It should be noted that the upward movement of the wire body 51 separates it from the upper part of the suspended body 44.

The suspending member 63 is attached to the seating body 60 so as to be openable and closable, and engages with and disengages from the engaging portion 45 included in the suspended body 44 by the opening and closing operation.

The movable body 70 is attached so as to be able to move up and down relative to the seated body 60, and when the movable body 70 moves upward relative to the seated body 60, the suspension member 63 is engaged with the engaging portion 45 in the direction of the engaging position (FIG. It is operated in the R1 direction of 12), and when it moves downward relative to the seating body 60, the suspension member 63 is operated in the disengagement position direction (R2 direction in FIG. 12).

The lock / unlock mechanism 70L includes a cam rotor (the cam rotor 33 is turned upside down) 73, and upper and lower actuators 61 and 62.

The cam rotor 73 is rotatably provided around the vertical axis in the movable body 70, and has cam surfaces 73a (33b) and 73b (33a) (see FIG. 16) on the upper surface and the lower surface.

The upper and lower actuators 61 and 62 are provided above and below the cam rotor 73 in the seated body 60, and come into contact with the cam surfaces 73a and 73b of the cam rotor 73 to increase the range of vertical movement of the movable body 70. As specified, the cam rotor 73 is rotated at predetermined pitch intervals.

The cam rotor 73 is provided with an upper actuator receiving groove 73c (FIG. 20) that allows the upper actuator 61 to move relative to the lower side of the upper cam surface 73a.

The lock / unlock mechanism 70L repeats the following states (1) to (5).

(1) By abut on actuator 61 on the cam surface 73a, disengaged position hanging member 63 to prevent relative upper movement of the movable member 70 against the seating member 60 (FIGS. 16, 17) Initial state to hold in (locked state)

(2) The lower actuator 62 is brought into contact with the lower cam surface 73b by the lower movement of the movable body 70 with respect to the seated body 60 after the seated body 60 is seated on the suspended body 44 by the lower movement of the wire body 51. rotates the cam rotor 73 (FIG. 17), the unlocked state (en where the movement of the relative bottom side of upper actuator 61 toward the upper operating element receiving groove 73c of the cam rotor 73 Locked state) (see Fig. 19)

(3) With the upward movement of the wire body 51, the movable body 70 moves upward so that the upper actuator 61 enters the upper actuator receiving groove 73c , and the suspending member 63 is moved to the engaging position (FIG. 20). ) And the seated body 60 are separated from the suspended body 44 (FIG. 21).

(4) After the seating body 60 is seated on the suspended body 44 by the downward movement of the wire body 51, the movable body 70 is moved downward so that the upper actuator 61 comes out of the upper actuator receiving groove 73c , and the lower operation is performed. When the child 62 comes into contact with the lower cam surface 73b , the cam rotor 73 rotates, the upper actuator receiving groove 73c shifts from the upper actuator 61 in the rotational direction, and the suspension member 63 moves to the disengagement position. Suspended body 44 released state (see FIG. 16)

(5) By moving the wire 51 upward, the operation of returning to the initial state of (1)

The lifting device 10'of this embodiment will be described in more detail with reference to FIGS. 12 to 15 and the like.
In FIG. 12, 54 is an eye nut, and the lifting device 10'of the present embodiment is suspended through the eye nut 54.

The seating body 60 includes a landing plate 52, a tubular casing 66 fixed to the center of the landing plate 52, and three claws fixed to the outer periphery of the landing plate 52 and the casing 66 at the center of the landing plate 52. As a hanging member rotatably attached to the mounting plate 55, the upper and lower actuators 61 and 62 provided above and below the inner peripheral surface of the casing 66, and the lower parts of the three claw mounting plates 55 by pins 64, respectively. It includes claws 63 (a, b, c) and a guide plate 53 as a tapered hanging body fixed to the lower ends of the three claw mounting plates 55 with bolts 53a.
The casing 66 is provided with upper and lower lids 66b and 66c.

The movable body 70 is fixed to the shaft 72 rotatably inserted into the casing 66 of the seating body 60, the cam rotor 73 rotatably attached to the shaft 72 in the casing 66, and the lower end of the shaft 72. A nut 62a as a stopper, a claw opening / closing metal fitting guide rod 69 hanging integrally at the lower end of the shaft 72, and a claw opening / closing metal fitting 67 (see FIG. 14) inserted through the claw opening / closing metal fitting guide rod 69. At the lower part of the claw opening / closing metal fitting 67, the claw opening / closing metal fitting guide rod 69 is screwed to the claw opening / closing metal fitting guide rod 69, and between the stopper (nut 62a) and the claw opening / closing metal fitting 67, the claw opening / closing metal fitting guide rod 69 It is equipped with a spring 68, which is attached and urges the claw opening / closing metal fitting 69 downward.

As shown in FIG. 14, the claw opening / closing metal fitting 67 is provided with three pairs of guide plates 37f radially from the central boss portion 67d, and each guide plate 37 is provided with a guide slot 67a.

On the other hand, pins 65 are provided on both sides of the lower ends of the claws 63 (a, b, c), and the pins 65 are inserted into the guide elongated holes 67a of the guide plate 37.

Therefore, when the moving body 70 (hence, the claw opening / closing metal fitting 67) moves upward relative to the seated body 60, the pin 65 moves along the guide slot 67 toward the inner end portion 67b of the guide slot 67 and the claw 63. (See FIGS. 15 and 20), and conversely, when the moving body 70 (and therefore the claw opening / closing metal fitting 67) moves downward relative to the seating body 60, the pin 65 moves out along the guide slot 67. The claw 63 is closed by moving toward the end portion 67c (see FIGS. 13 and 16).
In FIG. 12 and the like, 63d is a stopper that defines the opening range of the claw 63.

As shown in FIG. 12, the shaft 72 has a small diameter portion 72b and a large diameter portion 72c, and the cam rotor 73 is rotatably attached to the small diameter portion 72b via a bearing.

The configuration of the cam rotor 73 and the upper and lower actuators 61 and 62 is the same as that of the above-described embodiment, but the length of the upper and lower actuators 61 and 62 in the radial direction is shorter for the upper actuator 61. The lower actuator 62 is longer.

Therefore, the upper actuator 61 can enter the receiving groove 73c from above, but the lower actuator 62 abuts on the valley of the lower cam surface 73b at the lower end of the receiving groove 73c and enters the receiving groove 73c. It is not possible.

The suspending device 10'as described above is used by being attached to the lower end of the wire body 51 that moves up and down by being wound up and wound up by the winding down and winding device, and operates as follows.

(1) As shown in FIG. 16, the upper actuator 61 is brought into contact with the upper cam surface of the cam rotor 73, the lowering of the seating body 60 with respect to the movable body 70 is prevented, and the suspension member 63 is removed. It is in the initial state of holding in the engaging position.
When the suspending device 10'is in the initial state, the movable body 70 is prevented from moving upward with respect to the seated body 60, so that the suspending member 63 is locked.

(2) By operating the crane, as shown in FIGS. 16 to 17, the device 10'is moved above the suspended body 44, the wire body 51 is moved downward, the device 10'is lowered, and the device is seated. After the body 60 (seat plate 52) is seated on the suspended body 44, the wire body 51 is further moved downward (FIG. 17), and the movable body 70 is moved downward with respect to the seated body 60.
Then, from the state shown in FIG. 17, as shown in FIG. 18, the lower actuator 62 abuts on the lower cam surface 73b of the cam rotor 73 to rotate the cam rotor 73 by 45 degrees, and the cam rotor 73 rotates. In addition, the upper actuator 61 is in an unlocked state (unlocked state) that enables the relative downward movement of the upper actuator 61 toward the actuator receiving groove 73c (FIG. 18).

(3) As shown in FIGS. 19 to 20 by operating the crane, when the wire body 51 is moved upward, the movable body 70 is inserted so that the upper actuator 61 enters the upper actuator receiving groove 73c of the cam rotor 73. Is moved upward, whereby the pin 65 of the hanging member 63 is guided by the elongated hole 67a of the claw opening / closing metal fitting 67, and the hanging member 63 moves to the engaging position of the suspended body 44 with the engaging portion 45 and is lifted. When the wire body 51 is further moved upward in the enabled state, the seating body 60 (seat plate 52) is separated from the suspended body 44, and the hanging member 63 is engaged with the suspended body 44, as shown in FIG. It engages with the joint portion 45 to lift the suspended body 44.

(4) When the suspended body 44 is transported to a predetermined position (not shown) by the operation of the crane and the wire body 51 is moved downward at the predetermined position, the seated body 60 (seat plate 52) is moved to the suspended body 44. After sitting on, the movable body 70 moves downward so that the upper actuator 61 comes out of the lower actuator receiving groove 73c.
As a result, the pin 65 of the hanging member 63 is guided by the elongated hole 67a of the claw opening / closing metal fitting 67, and the hanging member 63 rotates to be disengaged from the engaging portion 45 of the suspended body 44 and is closed (disengaged). It becomes the engagement position).
Further, when the lower actuator 62 comes into contact with the lower cam surface 73b of the cam rotor 73, the cam rotor 73 rotates 45 degrees and the upper actuator receiving groove 73c deviates from the upper actuator 71 in the rotational direction. After that, the upward movement of the movable body 70 with respect to the seated body 60 is restricted, the hanging member 63 is held in the disengaged position (locked state), and the suspended body 44 is released.

(5) When the wire body 51 is moved upward by the operation of the crane, as shown in FIG. 16, the upper actuator 61 is in contact with the upper cam surface 73a of the cam rotor 73, and the initial stage of (1) is set. Return to the state.

As described above, according to the lifting device 10', the opening and closing of the hanging member 63 that suspends the suspended body 44 can be operated in conjunction with the vertical movement of the wire body 51 without using electricity.
In addition, the following effects can be obtained.

Since the cam rotor 73 is configured to rotate at a pitch of 45 degrees, the structure of the cam rotor can be simplified.

The upper and lower cam surfaces 73a and 73b of the cam rotor 73 are formed of continuous chevron inclined surfaces, and the receiving groove 73c of the upper actuator 61 is formed in the valley portion of the upper cam surface 73a so as to be continuous with the inclined surface. , The cam rotor 73 and the upper and lower actuators 61 and 62 can be smoothly operated.

A hole 40h (see FIG. 13 and the like) formed by the engaging portion 45 is provided in the center of the upper part of the suspended body 44, and the seating body 60 is tapered to be inserted into the hole 40h of the suspended body 44. Since the body 53 is provided, when the seated body 60 is seated on the upper part of the suspended body 44 (see FIGS. 13 and 15), the hanging body 53 of the seated body 60 is inserted into the hole 40h of the suspended body 44. As a result, the seating body 60 can be easily aligned with the suspended body 44.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be appropriately modified within the scope of the gist of the present invention. For example

In the above embodiment, the cam rotating body is provided on the shaft and the upper and lower actuators are provided on the inner surface of the casing. On the contrary, the cam rotating body is provided on the inner surface of the casing and the upper and lower actuators are provided on the outer peripheral surface of the shaft. You may.

10, 10': Lifting device 11,51: Wire body 14,53: Hanging body 20,60: Seating body 23,63 (a, b, c): Lifting member 30L, 70L: Lock / unlock mechanism 30,70 : Movable body 31,61: Upper actuator 32,62: Lower actuator 33,73: Cam rotor 33a, 33b, 73a, 73b: Cam surface 33c, 73c: Receiving groove 40,44: Suspended body 41,45 : Engagement part

Claims (5)

A lifting device used by being attached to the lower end of a wire body (11) that moves up and down by being unwound by a hoisting and hoisting device when the suspended body (40) is hung.
A seating body (20) that sits on the upper part of the suspended body (40) by the downward movement of the wire body (11),
A hanging member (23) that is attached to the seating body (20) so as to be openable and closable, and engages with and disengages from the engaging portion (41) included in the suspended body (40) by the opening and closing operation.
It is attached so as to be relatively movable up and down with respect to the seated body (20), and when it moves upward relative to the seated body (20), the hanging member (23) is engaged with the engaging portion (41). A movable body (30) that operates in the mating position direction and operates the suspension member (23) in the disengagement position direction when it moves downward relative to the seated body (20).
A cam rotor (33) rotatably provided around the vertical axis in the seated body (20) and having cam surfaces (33a, 33b) on the upper and lower surfaces, and the cam rotor in the movable body (30). By being provided above and below the (33) and in contact with the cam surface of the cam rotor (33), the range of vertical movement of the movable body (30) is defined and the cam rotor (33) is rotated at predetermined pitch intervals. Lower actuator receiving groove provided on the upper and lower actuators (31, 32) and the cam rotor (33) to allow the lower actuator (32) to move upward from the lower cam surface (33b). A lock / unlock mechanism (30L) having (33c) and
(1) By bringing the lower actuator (32) into contact with the lower cam surface (33b), the movable body (30) is prevented from moving upward with respect to the seated body (20), and the suspension member (23) is disengaged. Initial state to hold in position (locked state)
(2) The lower movement of the movable body (30) with respect to the seated body (20) after the seated body (20) is seated on the suspended body (40) by the lower movement of the wire body (11), and the upper actuator ( 30) is brought into contact with the upper cam surface (33a) to rotate the cam rotor (33), and the lower actuator (32) is directed toward the lower actuator receiving groove (33c) of the cam rotor (33). Unlocked state (unlocked state) that allows you to move upwards
(3) By the upward movement of the wire body (11), the movable body (30) moves upward so that the lower actuator (32) enters the lower actuator receiving groove (33c), and the suspension member (23) is engaged. The seated body (20) is moved to the position by the lifting state (20) and the seated body (20) is separated from the suspended body (40) by the downward movement of the wire body (11). ) After sitting on, the movable body (30) moves downward so that the lower actuator (32) comes out of the lower actuator receiving groove (33c), and the upper actuator (31) moves to the upper cam surface (33a). Upon contact, the cam rotor (33) rotates, the lower actuator receiving groove (33c) shifts from the lower actuator (32) in the rotational direction, and the suspension member (23) moves to the disengagement position. The lock / unlock mechanism (30L) that repeats the return operation to the initial state of (1) by the upward movement of the suspension body release state (5) wire body (11), and
A lifting device characterized by being equipped with. A lifting device used by being attached to the lower end of a wire body (51) that moves up and down by being unwound by a hoisting and hoisting device when the suspended body (44) is hung.
A seating body (60) that sits on the upper part of the suspended body (44) by the downward movement of the wire body (51),
A hanging member (63) that is attached to the seating body (60) so as to be openable and closable, and engages with and disengages from the engaging portion (45) included in the suspended body (44) by the opening and closing operation.
It is attached so as to be relatively movable up and down with respect to the seated body (60), and when it moves upward relative to the seated body (60), the hanging member (63) is engaged with the engaging portion (45). A movable body (70) that operates in the mating position direction and operates the suspension member (63) in the disengagement position direction when it moves downward relative to the seated body (60).
A cam rotor (73) rotatably provided around the vertical axis in the movable body (70) and having cam surfaces (73a, 73b) on the upper surface and the lower surface, and the cam rotor in the seated body (60) . By being provided above and below the cam rotor (73) and in contact with the cam surface of the cam rotor (73), the range of vertical movement of the movable body (70) is defined and the cam rotor (73) is rotated at predetermined pitch intervals. upper and lower actuator (61, 62) to the provided cam rotor (73), wherein the operating element receiving on to allow downward movement direction than the cam surface (73a) of the upper actuator (61) A lock / unlock mechanism (70L) having a groove (73c).
(1) By bringing the upper actuator (61) into contact with the upper cam surface (73a) , the movable body (70) is prevented from moving upward with respect to the seated body (60), and the suspension member (63) is disengaged. Initial state to hold in position (locked state)
(2) The lower move of the movable body (70) with respect to the seated body (60) after the seated body (60) is seated on the suspended body (44) by the lower movement of the wire body (51), and the lower actuator ( 62) was in contact with the lower cam surface (73b) to rotate the cam rotor (73) with the relative upper actuator toward the upper operating element receiving grooves of the cam rotor (73) (73c) 61 unlocked state where the movement of the down sides of the (unlocked)
(3) By the upward movement of the wire body (51), the movable body (70) moves upward so that the upper actuator 61 enters the upper actuator receiving groove 73c , and the suspension member (63) is moved to the engaging position. The seated body (60) is seated on the suspended body (44) by the downward movement of the liftable state and the lifted state (4) the wire body (51) in which the seated body (60) is separated from the suspended body (44). After that, the movable body (70) moves downward so that the upper actuator (61) comes out of the upper actuator receiving groove (73c) , and the lower actuator (62) comes into contact with the lower cam surface (73b). The suspended body released state in which the cam rotor (73) rotates, the upper actuator receiving groove (73c) shifts from the upper actuator (61) in the rotational direction, and the suspending member (63) moves to the disengagement position. (5) A lock / unlock mechanism (70L) that repeats the return operation to the initial state of (1) by moving the wire body (51) upward, and
A lifting device characterized by being equipped with. In claim 1 or
A lifting device characterized in that the cam rotor rotates at a pitch of 45 degrees. In any one of claims 1 to 3,
The upper and lower cam surfaces of the cam rotor are each composed of continuous chevron-shaped inclined surfaces, and the upper actuator or lower actuator receiving groove is formed in the valley portion of the cam rotor in a row on the inclined surface. apparatus. In any one of claims 1 to 4,
A hole formed in the engaging portion is provided in the center of the upper part of the suspended body.
A lifting device characterized in that the seated body is provided with a tapered hanging body that is inserted into a hole in the suspended body.

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