TWM503100U - Float line processing unit - Google Patents

Description

Float handling device New field

A device for processing a float line (for example, arranged on a deck) provided on one side of a fishing net during a net.

New background

The float processing device 80 according to the conventional example shown in Figs. 8 and 9(A) and (B) has a support post 82 that is rotatably driven to be mounted on a frame fixed to the hull 81; a support rod 83 and a main The rod 84 is respectively rotatably attached to different positions above and below the pillar 82; the front side frame 85 is rotatably coupled to the auxiliary rod 83 and the front portion of the main rod 84 arranged in parallel; the U-shaped support arm 86. The front side frame 85 is horizontally rotatably attached; the float wire feed mechanism 90 is provided with first and second winches 88 and 89 which are attached to the support arm 86 and are arranged to be rotatably driven in a tapered shape. Further, the front portion of the auxiliary lever 83 is rotatably attached to the front side frame 85 via the pin 83a, and the front portion of the main rod 84 is rotatably attached to the front side frame 85 via the pin 84a. Further, the base of the auxiliary rod 83 and the base of the main rod 84 are respectively attached to the pillars 82 in such a manner that the auxiliary rod 83 and the main rod 84 are always parallel to each other to form a parallel link, which is provided between the pillar 82 and the main rod 84. Forming the hydraulic cylinder 91 to perform the auxiliary rod 83 and The tilt of the main lever 84 and the posture of the support arm 86 to which the first and second winches 88, 89 are attached are also kept slightly horizontal in this case.

The float wire feed mechanism 90 having the first and second winches 88 and 89 is a V-shaped groove 93 in which the float wires 92 provided with the floats at a predetermined pitch are placed on the right and left first and second winches 88 and 89. The fishing net 95 connected to the float line 92 is guided toward the gap 94 between the left and right winches 88, 89. Further, the float line 92 provided on one side of the fishing net 95 of the net is pulled up toward the side of the ship by a net machine (for example, a power block) 97, and the float line 92 is induced by the float processing unit 80. The fishing net 95 is stacked on the deck 98 to enable the next spinning operation. Incidentally, in FIG. 9(B), 99 is a display guide member, and the float line feed mechanism 90 is described in detail in, for example, Patent Document 1, and the net machine 97 is described in Patent Document 2. Further, in Fig. 8, 97a is a main crane showing the support of the net machine 97.

Advanced technical literature Patent literature

Patent Document 1 Japanese Unexamined Patent Publication No. 5-63262

Patent Document 2 Japanese Patent Laid-Open No. Hei 8-80140

New summary

However, the net equipment including the net machine 97 and the float processing device 80 shown in Fig. 8 will be eagerly rolled up in the sky net in the sky, and the fishing net 95 which is hoisted by the net machine 97 is rushed by waves such as waves. Back to the situation. At this time, the netting machine 97 is reversed, and is descended from the netting machine 97 toward the float processing device 80 side. The float line 92 and the fishing net 95 are pulled up. At this time, if the first and second winches 88 and 89 of the float processing device 80 are caught or hooked by the fishing net 95 or the like, the float processing device 80 suddenly pops up. Affected by this, the auxiliary rod (tension rod) 83, which forms part of the crane, is strongly compressed, and in severe cases, it is broken due to buckling. In the case of damage, it is not only impossible to continue the work of the net, but there is also the problem of damage to the parts such as the pin.

The present invention is a new type of construction in view of related matters, and aims to provide a float processing apparatus that allows a float line disposed on one side of a fishing net to withstand a load pulled upward, or a float line that is subjected to an impulsive winding load. The impact load is moderated and will not easily break down.

The float processing apparatus according to the first aspect has: (1) a gantry (12) fixed to the hull (11), and (2) a pillar (13) rotatably mounted to the gantry (12); (3) The auxiliary rod (14) and the main rod (15) are respectively rotatably attached to different positions above the upper side of the pillar (13); (4) the front side frame (16) is rotatably coupled to The auxiliary rod (14) and the front portion of the main rod (15) maintain the main rod (15) and the auxiliary rod (14) in parallel; (5) the first hydraulic cylinder (17), and the pillar (13) and The main rod (15) is coupled to tilt the main rod (15); (6) the winch supporting means (37) has a support arm, a auxiliary member, and a second hydraulic cylinder, and the support arm (19) is horizontally rotatable. The front side frame body (16) is provided in a U-shape on the base side, and includes a long piece portion (32) and a short piece portion on the front side. (33) The auxiliary member (34) is horizontally rotatably provided in the short portion 33, and the second hydraulic cylinder (36) connects the short portion (33) and the auxiliary member (34) to perform the aforementioned Opening and closing of the auxiliary member (34); (7) the first and second winches (25, 26) having a truncated cone shape are rotatably disposed on the front side of the long piece portion (32) of the winch supporting means (37) a front side of the auxiliary member (34); and an axis of the second winch (26) inclined with respect to an axis of the first winch (25), and a taper of the first and second winches (25, 26) The surface (25a, 26a) is opposite to the float line (43a) provided on one side of the fishing net (43); in the float processing device (10), the auxiliary rod (14) is provided with a contraction mechanism (44) When the float line (43a) is wound, the auxiliary rod (14) is the longest length, and the main rod (15) and the auxiliary rod (14) form two sides of a parallelogram, and the float is In the emergency where the wire (43a) is pulled upward, the entire length of the auxiliary rod (14) is shortened to absorb the compression load that the auxiliary rod (14) receives.

In the float processing apparatus according to the second aspect of the invention, in the float processing apparatus according to the first aspect, the contraction mechanism (44) includes a first plate-shaped stick (45) provided in a part of the auxiliary lever (14), a pair of second plate-shaped sticks (46, 46a) sandwiching the first plate-shaped stick (45); and the first plate-shaped stick (45) is along the length of the first plate-shaped stick (45) Long holes (47) are provided in the direction, and horizontal pins (48, 48a) are attached to the pair of second plate-shaped bars (46, 46a), and the horizontal pins (48, 48a) are slidably moved to the aforementioned length. Hole (47).

The float processing apparatus according to the third aspect is the float processing apparatus according to the second aspect, wherein the horizontal pin (48, 48a) is the second The plate-shaped sticks (46, 46a) are provided with at least two gaps.

In the float processing apparatus according to the fourth aspect, in the float processing apparatus according to the first to third aspects, the shrinkage mechanism (44) is provided with a spring that biases the contraction mechanism (44) toward the maximum length. .

Then, in the float processing apparatus according to the fifth aspect, in the float processing apparatus according to the first to third aspects, a winding motor formed by a hydraulic reduction motor (21) is attached to the support post (13), and an output shaft thereof is provided. (22) Fixed to the aforementioned gantry (12).

The float processing device according to the first to fifth types is provided with a length reducing mechanism for the auxiliary rod. Although the auxiliary rod is the longest when the float line is normally wound, the auxiliary line is pulled upward when the float line is pulled upward. The total length of the rod is shortened and the compression load of the auxiliary rod is absorbed. Therefore, buckling and abnormal deformation of the auxiliary rod can be prevented.

In particular, in the float processing apparatus according to the second and third aspects, since the lengthening mechanism of the auxiliary lever has the structure of the first and second plate-shaped sticks and the cross pin, the operation is reliable, and the inspection and maintenance are also easy.

Further, the float processing device according to the fourth aspect can further reduce the load applied to the contraction mechanism in an emergency by the spring, and can prevent breakage of the contraction mechanism and the like.

10‧‧‧Float handling device

10a‧‧‧ Crane

11‧‧‧ hull

12‧‧‧ 台台

13‧‧‧ pillar

14‧‧‧Support rod

14a‧‧‧Long material

15‧‧‧ main pole

16‧‧‧ front side frame

17‧‧‧1st hydraulic cylinder

19‧‧‧Support arm

20‧‧‧Float line feeding mechanism

21‧‧‧Hydraulic gear motor

22‧‧‧ Output shaft

23‧‧‧Upper stage

24‧‧‧Lower gantry

25‧‧‧1st winch

26‧‧‧2nd winch

25a, 26a‧‧ ‧ conical surface

25b, 26b‧‧‧ conical guide

25c, 26c‧‧‧ front end cover

27‧‧‧Hydraulic motor

27a‧‧‧ Output shaft

28‧‧‧Angle

29, 30‧ ‧ bearing

31‧‧‧Installing metal fittings

32‧‧‧Long Film Department

33‧‧‧ Short Film Department

34‧‧‧Subsidy components

36‧‧‧2nd hydraulic cylinder

37‧‧‧ winch support means

38‧‧‧1st hydraulic motor

38a‧‧‧2nd hydraulic motor

39, 40‧‧‧ Guide members

41, 42‧‧‧Slip-stop

43‧‧‧ Fishing nets

43a‧‧‧Float line

43b‧‧‧Floating rope

43c‧‧‧Float

44‧‧‧Shrinking mechanism

45‧‧‧1st plate stick

46, 46a‧‧‧2nd plate stick

46c, 46d‧‧ ‧ pinhole

47‧‧‧ long hole

48, 48a‧‧‧ horizontal sales

48b‧‧‧Flange

48c‧‧‧Lock hole

48d‧‧‧Slip grease hole

49‧‧‧Installing metal fittings

49a‧‧ sales

50‧‧‧Installing metal fittings

50a‧‧ sales

51‧‧‧Installing metal fittings

51a, 52, 53‧ ‧ sales

80‧‧‧Float handling device

81‧‧‧ hull

82‧‧‧ pillar

83‧‧‧Support rod

83a‧‧ sales

84‧‧‧ main pole

84a‧‧ sales

85‧‧‧ Front side frame

86‧‧‧Support arm

88‧‧‧1st winch

89‧‧‧2nd winch

90‧‧‧Float line feeding mechanism

91‧‧‧Hydraulic cylinder

92‧‧‧Float line

93‧‧‧V-shaped groove

94‧‧‧ gap

95‧‧‧fishnet

97‧‧‧Yang network machine

97a‧‧‧Main crane

98‧‧‧Deck

99‧‧‧Guide members

K‧‧‧Upload

Fig. 1 (A) is a plan view of a float processing apparatus according to an embodiment of the present invention, and (B) is a front view of the same float processing apparatus.

[Fig. 2] (A) is a partially omitted plan view of the same float processing device, (B) is a front view in which a part of the same float processing device is omitted, and (C) is a side view of a cross pin used in the same float processing device.

Fig. 3 is a partially omitted plan view of the same float processing device.

Fig. 4 is a partially omitted plan view of the same float processing apparatus.

Fig. 5 is a side cross-sectional view showing a part of the same float processing apparatus.

Fig. 6 (A) and (B) are explanatory views of the operation of the same float processing device, respectively.

[Fig. 7] (A) and (B) are operation explanatory views of the same float processing device, respectively.

FIG. 8 is an operation explanatory diagram of a float processing device according to a conventional example.

[ Fig. 9] (A) is a partially omitted plan view of a float processing apparatus according to a conventional example, and (B) is a front view in which the same part is omitted.

Used to implement a new form

Next, an embodiment in which the present invention is embodied will be described with reference to the accompanying drawings.

As shown in Figs. 1(A) and (B) and Figs. 2(A) and 2(B), the float processing apparatus 10 according to an embodiment of the present invention has a gantry 12 which is standing at a predetermined position of the hull 11. The fixed arrangement; the support 13 is rotatably mounted on the gantry 12; the auxiliary rod 14 and the main rod 15 are respectively rotatably mounted on different positions above the upper side of the support 13; the front side frame 16 is rotatable The main rod 15 and the auxiliary rod 14 are arranged in parallel in the front part of the auxiliary rod 14 and the main rod 15 , and the first hydraulic cylinder 17 is connected to the pillar 13 and the main rod 15 to connect the main rod 15 tilting.

The support rod 13, the auxiliary rod 14, the main rod 15, the front side frame 16, and the first hydraulic cylinder 17 described above are formed as a crane 10a that moves the float line feeding mechanism 20 to a predetermined position (refer to FIG. 6(A)). The float wire feed mechanism 20 includes first and second winches 25 and 26 that are provided to the front side frame 16 through the winch support means 37.

Incidentally, the main rod 15 has the same length as the auxiliary rod 14 which is extended to the maximum length, and the interval between the main rod 15 and the base portion and the front portion of the auxiliary rod 14 is the same, irrespective of the inclination angle of the main rod 15, the front side frame 16 and the float line feed mechanism 20 always maintain the same posture.

As shown in FIG. 1(B), the support 13 of the crane 10a is rotatably provided to the gantry 12 in accordance with the shaft center. A winding motor formed by the hydraulic reduction motor 21 is fixed to the lower portion of the column 13, and the output shaft 22 is coupled to the upper frame 23 of the gantry 12. The gantry 12 has a flange coupling upper gantry 23 and a lower gantry 24, and the lower gantry 24 is fixed to the hull 11.

The base of the main lever 15 and the auxiliary lever 14 is rotatably coupled to the upper side of the support post 13, and the base of the first hydraulic cylinder 17 is rotatably coupled to the intermediate position of the support post 13, and the front portion of the first hydraulic cylinder 17 is rotatable. It is movably coupled to the vicinity of the base side of the main rod 15 (in the middle of the main rod 15). By stretching and contracting the first hydraulic cylinder 17, the main rod 15 and the auxiliary rod 14 are tilted while being parallel. Further, by rotating the hydraulic reduction motor 21, the float 13 having the first and second winches 25 and 26 is controlled by the support post 13, the main lever 15, the auxiliary lever 14, and the front front side frame 16 and the winch support means 37. The three-dimensional position of the line feed mechanism 20.

As shown in Fig. 2, a front side frame 16 is provided in a front portion of the main rod 15 and the auxiliary rod 14 arranged in parallel, and a hydraulic motor 27 with a speed reducer is attached to the front side frame in a slightly vertical state with the output shaft 27a facing downward. Body 16.

The lower side portion of the front side frame 16 is provided with a square surface which is machined on the side of the cylinder in the central portion in the axial direction of the cylinder and has four planes through the upper and lower bearings 29 and 30, and has a square arc shape at the cross-sectional point of view. Angular axis 28. Further, in the center of the angle shaft 28, the output shaft 27a of the hydraulic motor 27 is fitted in the vertical direction, and the angular shaft 28 can be rotated by the rotation of the hydraulic motor 27.

As shown in FIG. 3, the front side frame body 16 is provided with an angle shaft 28, and is provided with a winch support means 37 so as to be horizontally rotatable by a mounting metal fitting 31 fixed to the angle shaft 28. The winch support means 37 has a support arm 19 having a U-shaped base side in plan view, a long piece portion 32 and a short piece portion 33 on the front side, and a auxiliary member 34 which is horizontally rotatable (that is, openable and closable) In the short portion 33 and the second hydraulic cylinder 36, the short portion 33 is coupled to the auxiliary member 34 to open and close the auxiliary member 34. Further, on the front side of the U-shaped support arm 19, that is, on the front side of the long piece 32 and the auxiliary member 34, the first and second winches 25 and 26 of the truncated cone shape the conical surfaces 25a and 26a, respectively. Configuration. Incidentally, the first and second winches 25 and 26 may be rotated 90 degrees to the left and right with the corner shaft 28 of the front side frame 16 as the center.

In addition, as shown in FIG. 3 and FIG. 4, the winch supporting means 37 has the auxiliary member 34 attached to the short film portion 33 in a horizontal direction by attaching a metal fitting, and the base connecting short film portion 33 and the front connecting support are attached. In the second hydraulic cylinder 36 of the member 34, the second winch 26 is horizontally rotatable with respect to the first winch 25 in a standing state. Thereby, the floating on one side of the fishing net 43 can be made The sub-line 43a passes through the upper space of the first and second winches 25 and 26 (refer to Figs. 4 to 6).

As shown in Fig. 5, the first and second winches 25 and 26 are provided with a truncated cone portion, each having conical surfaces 25a and 26a arranged to match the axial center, and conical guide portions 25b and 26b disposed at the center thereof. The axial center of the second winch 26 is disposed to be inclined by θ (for example, 5 degrees) with respect to the axial center of the first winch 25. Further, conical front end covers 25c and 26c are provided on the front side of the conical guide portions 25b and 26b. Further, the first and second winches 25 and 26 are symmetrical with respect to the vertical axis of the center, and are inclined downward so that the lower sides of the first and second winches 25 and 26 are opened. Further, the upper ridgelines of the front end covers 25c and 26c are slightly parallel, and the fishing net 43 can be inserted therebetween so that the fishing net 43 does not get caught.

Incidentally, the above θ degree should be selected in the range of 3 to 10 degrees. Further, a round bar or the like may be provided around the conical surfaces 25a and 26a so that the fishing net 43 is not wrapped around the first and second winches 25 and 26.

In the conical surfaces 25a and 26a, a plurality of types of anti-slip portions 41 and 42 of a plurality of lengths and short lengths are provided in the radial direction. The first and second winches 25 and 26 are rotationally driven by the first and second hydraulic motors 38 and 38a provided on the front side of the long piece 32 and the auxiliary member 34, respectively. Guide members 39 and 40 are provided on the outer side in the radial direction of the first and second winches 25 and 26 to prevent the fishing net 43 from coming off.

As shown in Figs. 2(A) and (B), in the main rod 15 and the auxiliary rod 14 which hold the front side frame 16 at a predetermined angle, the auxiliary rod 14 has the entire body of the auxiliary rod 14 in an emergency situation on the front side. The shortening mechanism of the ground is shortened 44. The contraction mechanism 44 has a first plate-shaped stick 45 provided in one portion of the auxiliary lever 14, a pair of second plate-shaped sticks 46, 46a sandwiching the first plate-shaped stick 45, and a pair of second plates The sticks 46 and 46a are provided with pin holes 46c and 46d at different positions in the longitudinal direction. The long holes 47 having the same width as the diameter of the pin holes 46c and 46d are provided in the first plate-shaped stick 45 along the longitudinal direction of the first plate-shaped stick 45, and are inserted into the second plate-shaped sticks 46 and 46a, respectively. The cross pins 48, 48a of the pin holes 46c, 46d are slidably provided in the long holes 47. Here, the length of the long hole 47 is, for example, 2 to 3 times the interval between the pin holes 46c and 46d. Incidentally, as shown in FIG. 2(C), the cross pin 48 (the same as 48a) is provided with a flange (brake) 48b having an enlarged diameter on one side and a lock pin hole 48c on the other side. There is a grease pad 48d which is filled with a grease to the sliding portion of the cross pin 48. Further, the horizontal pins may be provided in three or more with a gap.

Further, the front side of the first plate-shaped wand 45 of the contraction mechanism 44 is rotatably attached to the front side frame 16 through the attachment metal fitting 49 and the pin 49a, and the base of the second plate-shaped sticks 46, 46a is through the mounting metal. The fitting 50 and the pin 50a are rotatably attached to the front portion of the long material 14a constituting the main portion of the auxiliary rod 14.

Incidentally, the front side of the main rod 15 is rotatably attached to the front side frame 16 through the mounting metal fitting 51 and the pin 51a. Here, the auxiliary rod 14 is formed by the contraction mechanism 44 and the long material 14a, and the length of the auxiliary rod 14 is the same as that of the main rod 15 in a state where the contraction mechanism 44 is extended.

Further, the distance between the pin 52, 53 of the support rod 13 and the base end portion of the main rod 15 which is rotatably attached to the support rod 14 and the pin 49a, 51a provided at the front end of the main rod 15 are Similarly, as shown in FIG. 6(A), the auxiliary rod 14 and the main rod 15 always form two opposite sides of the parallelogram.

Next, a description will be given of a method of using the float processing device 10 and action.

As shown in Fig. 6(A), the float processing device 10 has a rotatable strut 13, a main rod 15 and a support rod 14 that are tiltably attached to the strut 13, and a front side frame provided in front of the main rod 15 and the auxiliary rod 14. The body 16 is formed with a crane 10a that moves the float wire feeding mechanism 20 to a horizontal position while moving to an arbitrary position.

When the float processing device 10 is used, the float line feeding mechanism 20 is lowered to the vicinity of the deck when the float processing device 10 is operated, and the second hydraulic cylinder 36 is retracted as shown in Figs. 1 and 4, and the first and second winches 25 are pulled. , 26 opens in the horizontal direction. In this state, the float wire 43a is disposed on the inner side of the first and second winches 25 and 26, and the second hydraulic cylinder 36 is extended to close the first and second winches 25 and 26. This state is shown in FIG. 5 and FIG. 6(B), and the float wire 43b and the float 43c of the float wire 43a are above the conical surfaces 25a and 26a, and the fishing net 43 is the center part of the 1st and 2nd winch 25 and 26. The gap (the interval is, for example, 20 to 30 mm) hangs downward. This state is a state in which the operation is normal, and the contraction mechanism 44 is maximally extended.

Then, there is a situation in which the weather nets in the sky network are rapidly changing and the fishing nets 43 which are hoisted by the Yang net machine (refer to FIG. 8) are rushed back by the waves such as waves. In addition, there is a case where the net machine is reversed, the float line 43a coming down from the net machine, and the fishing net 43 being pulled up. At this time, when the fishing nets 43 and the like are caught in the first and second winches 25 and 26 of the float processing apparatus 10, the float line feeding mechanism 20 of the float processing apparatus 10 is received as shown in Fig. 7(A). The rush of rising load K.

At this time, the initial state is as shown in Fig. 7(A), the horizontal pin 48, The 48a moves in the long hole 47, and the entire length of the contraction mechanism 44 becomes short. Thereby, the load of the squid by the float line feeding mechanism 20 is alleviated, that is, the compression load is absorbed and the damage of the auxiliary rod 14 is not changed.

Incidentally, after that, as shown in Fig. 7(B), the auxiliary lever 14 is bent at a portion of the pin 50a, and the auxiliary lever 14 becomes shorter, and can absorb further punching.

In the above-described embodiment, the contraction mechanism 44 may be provided with a spring that imparts potential energy to the state in which the first plate-shaped wand 45 and the second plate-shaped wands 46 and 46a are extended to the maximum extent. In this case, a compression mechanism such as a compression spring that separates the pin 50a from the pin 49a may be provided. Thereby, the load generated on the auxiliary rod due to the rising load K can be more moderated. In addition, a shock absorber may be provided instead of the spring described above.

The present invention is not limited to the above-described embodiments, and the configuration can be changed without changing the scope of the present invention.

10‧‧‧Float handling device

10a‧‧‧ Crane

11‧‧‧ hull

12‧‧‧ 台台

13‧‧‧ pillar

14‧‧‧Support rod

15‧‧‧ main pole

16‧‧‧ front side frame

17‧‧‧1st hydraulic cylinder

20‧‧‧Float line feeding mechanism

21‧‧‧Hydraulic gear motor

22‧‧‧ Output shaft

23‧‧‧Upper stage

24‧‧‧Lower gantry

25‧‧‧1st winch

26‧‧‧2nd winch

27‧‧‧Hydraulic motor

31‧‧‧Installing metal fittings

36‧‧‧2nd hydraulic cylinder

37‧‧‧ winch support means

44‧‧‧Shrinking mechanism

49a‧‧ sales

51a‧‧ sales

52‧‧ ‧ sales

53‧‧ ‧ sales

Claims (5)

A float processing device, comprising: a gantry fixed to a hull; a pillar rotatably mounted to the gantry; a support rod and a main rod, the base being rotatably mounted to the pillar a different position on the upper side; the front side frame is rotatably coupled to the auxiliary rod and the front portion of the main rod to maintain the main rod and the auxiliary rod in parallel; the first hydraulic cylinder, the pillar and the main rod The main rod is tilted by the connection; the winch supporting means includes a support arm, a auxiliary member, and a second hydraulic cylinder. The support arm is horizontally rotatably driven on the front side frame, and the base side is U-shaped and provided on the front side. a long piece portion and a short piece portion, wherein the auxiliary member is horizontally rotatably provided in the short piece portion, and the second hydraulic cylinder connects the short piece portion to the auxiliary member to open and close the auxiliary member; 1. The second winch is rotatably driven on the front side of the long piece portion of the winch support means and the front side of the auxiliary member; and the axial center of the second winch is opposite The axis of the first winch is inclined, and the cones of the first and second winches face each other and the float wire is disposed on one side of the fishing net; the float processing device is characterized by: The auxiliary rod is provided with a length reducing mechanism. When the float line is wound, the auxiliary rod has a maximum length, and the main rod and the auxiliary rod form two sides of a parallelogram, and the float line is pulled upward. In an emergency, the total length of the auxiliary rod is shortened to absorb the compression load that the auxiliary rod receives. The float processing apparatus according to claim 1, wherein the shrinking mechanism has a first plate-shaped stick provided in one of the auxiliary levers, and a pair of second plate-shaped sticks sandwiching the first plate-shaped stick; The plate-shaped stick is provided with a long hole along the longitudinal direction of the first plate-shaped stick, and a horizontal pin is attached to the pair of second plate-shaped sticks, and the horizontal pin is slidably provided in the long hole. In the float processing device of claim 2, the horizontal pin is disposed in at least two of the second plate-shaped wands. A float processing apparatus according to any one of claims 1 to 3, wherein the shrinking mechanism is provided with a spring for imparting potential energy to the maximum length of the length reducing mechanism. A float processing apparatus according to any one of claims 1 to 3, wherein a spiral motor formed by a hydraulic reduction motor is attached to said pillar, and an output shaft thereof is fixed to said frame.