JP4388682B2 - Extension tube clamp device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an extension cylinder clamping device, and more particularly to a novel improvement for simultaneously clamping / unclamping a plurality of extension cylinders by a pair of longitudinal pressing members.
[0002]
[Prior art]
Conventionally, this type of extension cylinder clamping device includes the configurations shown in FIGS. 5 to 9.
That is, the box-shaped main body 1 shown in FIGS. 5 and 6 is provided with a plurality of (six in this embodiment, six as shown in FIG. 7) launch tubes 2, and each launch tube 2 is shown in FIG. As shown in the drawing, there are three in the horizontal direction and two in the vertical direction perpendicular to the horizontal direction.
[0003]
Each launcher 2 is configured such that the extension tube 4 can be clamped / unclamped via the clamping means 3, and the first flange 5 provided on the side of each launcher 2 has a spacing A second flange 7 is disposed opposite to the pin 6.
[0004]
The launcher flange 2a formed at the end of each launcher 2 faces the extension cylinder flange 4a formed at the end portion of the base side of the extension tube 4 are joined, the flanges 2a, 4a is It is forcibly pressed and held by a plurality of pressing members 8 located on the outer periphery and having a concave cross section.
Each pressing member 8 is provided with an Ω-shaped steel belt 9 which is located on the outer periphery of each pressing member 8 and to which each pressing member 8 is attached.
A handle 11 is rotatably provided on the second flange 7 via a pin 10 as shown by a solid line and a dotted line in FIG. 8. The steel belt 9 is connected to the handle 11 via a link 12. It is connected to one end.
By the rotation of the handle 11, the steel belt 9 is tightened at the solid line position, and the steel belt 9 is loosened at the dotted line position.
The clamping means 3 is constituted by the flanges 5 and 7, a pressing member 8, a steel belt 9, a handle 11 and a link 12.
[0005]
Therefore, in the above-described configuration, first, the necessary extension cylinders 4 are disposed in the respective launch cylinders 2 with the handle 11 being rotated to the position indicated by the dotted line, and the flanges 2a and 4a are joined. When the handle 11 is rotated from the dotted line to the position indicated by the solid line, one end of the steel belt 9 is drawn through the link 12, and the diameter of the steel belt 9 is reduced. 4 a is firmly joined, and the extension cylinder 4 is integrally coupled to the launch cylinder 2.
Further, by returning the handle 11 to the position indicated by the dotted line from the solid line again, the tightening of the steel belt 9 is released, and the extension cylinder 4 can be detached from the launch cylinder 2, and the firing cylinder by the clamp means 3 by the above-described operation. The clamping / unclamping action of the extension cylinder 4 with respect to 2 can be achieved.
[0006]
[Problems to be solved by the invention]
Since the conventional extension cylinder clamp apparatus was comprised as mentioned above, the following subjects existed.
That is, since the above-described clamping means is provided for each launch tube, the handle must be operated for each connection of the extension tube, and the number of times (6 to 12) of this extension tube is required, The process was complicated.
[0007]
The present invention has been made to solve the above-described problems, and in particular, an extension cylinder clamping device in which a plurality of extension cylinders are simultaneously clamped / unclamped by a pair of longitudinal pressing members. The purpose is to provide.
[0008]
[Means for Solving the Problems]
The extension cylinder clamping device according to the present invention is a main body in which a plurality of firing tubes are arranged side by side with an interval, and an extension cylinder clamping device in which an extension tube is connected to each of the firing tubes via a clamping means. The clamp means is supported by the first and second longitudinal pressing members disposed opposite to each other so as to sandwich the extension tubes at the same time, a base plate fixed to the firing tube side, and rotatably supported by the base plate. And first and second connecting rods that are connected to both ends of the lever via first and second shaft support portions and are held so as to be directly movable by first and second guide members provided on the base plate. And a first connecting pin for pivotally supporting the first longitudinal pressing member and the first connecting rod, and a second connecting pin for pivotally supporting the second longitudinal pressing member and the second connecting rod. The above The connecting pins are disposed at different positions along the longitudinal direction of the respective longitudinal pressing members, and the extension cylinders are clamped / unclamped via the respective longitudinal pressing members by the rotation of the lever. A plurality of the firing tubes are arranged along the longitudinal direction of the connecting rods, and the longitudinal pressing members have a concave cross-sectional shape, and The portion corresponding to the extension cylinder has an arcuate portion formed in an arc shape along the outer periphery of the extension cylinder.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of an extension cylinder clamping device according to the invention will be described with reference to the drawings. Note that the same or equivalent parts as those in the conventional example will be described using the same reference numerals.
First, the box-shaped main body 1 shown in FIGS. 3 and 4 is provided with a plurality of (six in this embodiment, six as shown in FIG. 1) launch tubes 2, and each launch tube 2 is shown in FIG. As shown in the drawing, there are three in the horizontal direction and two in the vertical direction perpendicular to the horizontal direction.
[0010]
Each of the firing cylinders 2 is configured so that the extension cylinder 4 can be clamped / unclamped via the clamping means 3, and the clamping means 3 is configured as shown in FIGS. 1 and 2. Yes.
That is, on the side of the launch tube 2, the base plate 20 is disposed so as to have a plane direction orthogonal to the axial direction of the launch tube 2 while being integrally held by all the launch tubes 2, and this base plate A pair of guide members 21 each having a semi-cylindrical shape are provided at an upper end and a lower end of 20 at intervals.
[0011]
Each guide member 21 is disposed so as to be positioned between the respective firing tubes 2, and a lever shaft support portion 22 is provided at a central position in the lateral direction in FIG. 1 of the base plate 20. A longitudinal lever 11 is provided on the lever shaft support 22 so as to be reciprocally rotatable along the direction of arrow A.
[0012]
First and second connecting rods 25 and 26 are operatively connected to both end positions of the lever 11 via first and second shaft support portions 23 and 24, and each of the connecting rods 25 and 26 has four pieces. The guide rod 21 penetrates the guide member 21 and is held so as to be movable in the vertical direction. As the lever 11 rotates, the connecting rods 25 and 26 move up and down in different directions.
[0013]
The launch tube flange 2a formed at the end of each launch tube 2 is joined to the extension tube flange 4a formed at the end of the extension tube 4 on the base side, and the flanges 2a and 4a are joined to each other. As shown in FIG. 4, it is forcibly pressed and held by first and second longitudinal pressing members 8 and 8a which are located on the outer periphery and have a concave cross section.
[0014]
As shown in FIG. 1, each of the longitudinal pressing members 8 and 8a can sandwich a plurality of (three in this embodiment) firing cylinders 2 and extension cylinders 4 arranged side by side in the vertical direction. The first connecting rod 25 and the first longitudinal pressing member 8 are connected to each other via a first connecting pin 30 so that the second connecting rod 26 and the second longitudinal pressing member 8a are connected to each other. The second connection pins 31 are connected so as to be interlocked. In the plane the connecting pins 30 and 31 as viewed from the top of FIG. 1, along with being located in different thousand bird feet with each other in a state sandwiching the firing tube 2 and the extended cylinder 4, the longitudinal pressing member 8, They are provided at different positions along the longitudinal direction of 8a.
[0015]
Each longitudinal pressing member 8, 8 a is provided with arc-shaped portions 32 formed in an arc shape along the outer circumference of each firing tube 2 and extension tube 4, that is, each flange 2 a, 4 a along the longitudinal direction thereof. ing.
Accordingly, by rotating the lever 11 upward along the arrow A, each first longitudinal pressing member 8 is biased downward and each second longitudinal pressing member 8a is biased upward. The flanges 2a and 4a of the cylinders 2 and 4 are clamped by the longitudinal pressing members 8 and 8a, and the longitudinal pressing members 8 and 8a are turned downward by rotating the lever 11 downward. Is opened, and the clamps of the flanges 2a and 4a are released to enter an unclamped state.
The clamping means 3 described above includes the lever 11, the base plate 20, the connecting rods 25 and 26, the guide member 21, and the longitudinal pressing members 8 and 8a.
[0016]
Next, the operation will be described. First, the extension cylinder flange 4a of each extension cylinder 4 is joined to the launcher flange 2a of each launch cylinder 2 in a state where the lever 11 is pushed downward to open each longitudinal pressing member 8, 8a to be unclamped. When the lever 11 is pushed upward, the longitudinal pressing members 8 and 8a are closed and are in a clamped state, the flanges 2a and 4a are clamped, and the connection of each extension cylinder 4 to each firing cylinder 2 is performed once. Achieved by the operation of In the above-described embodiment, the case of six launch tubes 2 has been described, but it goes without saying that the number can be six or less.
[0017]
【The invention's effect】
Since the extension cylinder clamp apparatus by this invention is comprised as mentioned above, the following effects can be acquired.
In other words, each extension cylinder can be clamped or unclamped simultaneously by each longitudinal pressing member interlocked with the vertical rotation of one lever, and a number of extension cylinders can be clamped / unclamped with only one lever operation. Therefore, the work on the ship can be greatly facilitated and the safety of the work can be greatly improved.
[Brief description of the drawings]
FIG. 1 is a configuration diagram showing an extension cylinder clamping device according to the present invention.
FIG. 2 is an enlarged view of a main part of FIG.
FIG. 3 is a plan view of FIG. 1;
FIG. 4 is a right side view of FIG.
FIG. 5 is a partially cutaway plan view showing a conventional extension cylinder clamping device.
6 is a bottom view of FIG. 5. FIG.
FIG. 7 is a front view of a conventional extension cylinder clamping device.
8 is an enlarged front view of the main part of FIG.
9 is a cross-sectional view showing a joining / clamping state of each cylinder in the state of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Main body 2 Firing cylinder 3 Clamping means 4 Extension cylinder 8, 8a 1st, 2nd longitudinal pressing member 11 Lever 20 Base plate 23, 24 1st, 2nd axial support part 25, 26 1st, 2nd connecting rod 30, 31 1st 1, 2nd connecting pin 32 Arc-shaped part

Claims (3)

  A main body (1) in which a plurality of firing tubes (2) are arranged side by side with an interval therebetween, and an extension tube (4) is connected to each of the firing tubes (2) via a clamping means (3). In the extension cylinder clamping device, the clamping means (3) includes first and second longitudinal pressing members (8, 8a) arranged to face each other so as to sandwich the extension cylinders (4) simultaneously, and the firing cylinder. (2) A base plate (20) fixed to the side, a lever (11) rotatably supported by the base plate (20), and first and second shaft support portions (both ends of the lever (11)) 23, 24) and the first and second connecting rods (25, 26) which are connected to each other by first and second guide members (21, 21a) provided on the base plate (20). A first connecting pin (30) for pivotally supporting the first longitudinal pressing member (8) and the first connecting rod (25), the second longitudinal pressing member (8a) and the second connecting For pivotally supporting the rod (26) A second connecting pin (31), and the connecting pins (30, 31) are disposed at different positions along the longitudinal direction of the longitudinal pressing members (8, 8a), and the lever (11) The extension cylinder clamping device is configured to clamp / unclamp each extension cylinder (4) via each longitudinal pressing member (8, 8a) by rotating the lens.   The extension cylinder clamping device according to claim 1, wherein a plurality of the firing cylinders (2) are arranged along a longitudinal direction of each of the connecting rods (25, 26).   Each longitudinal pressing member (8, 8a) has a concave cross-sectional shape, and a portion corresponding to each extension tube (4) is an arc-shaped portion formed in an arc shape along the outer periphery of the extension tube (4). The extension cylinder clamping device according to claim 1 or 2, further comprising (32).

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