JPS6360890A - Panel clamping device - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a panel clamp device used to grip a panel member such as a floor panel and lift it using a crane or the like.

(Prior art and its problems) For example, when a panel is hoisted up and down by a crane at a construction site, a clamp device is used to grip and tighten the panel. has been done.

Needless to say, from a safety standpoint, the first requirement for this type of clamping device is that it be highly reliable and able to securely grip the panel so that it does not fall midway through.
At the same time, in order to work efficiently, it is important to be able to easily and quickly grip a panel with a clamp device, and conversely release a panel that has been gripped.

However, until now, there has been no inexpensive lamp device that fully satisfies the above-mentioned problems.

The present invention has been proposed in view of the above points, and is a simple and inexpensive panel clamp device that can easily and quickly grip and release an article to be hung by simply rotating a handle. The purpose is to provide the following.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a clamping device for grasping and lifting a panel, which includes a pair of clampers slidably fitted to each other, and a clamper of the second pair. and a lashing belt that connects the clamp part of each clamper and the retraction member and transmits the clamping force to each clamp part, and the tightening member includes: The present invention is characterized in that an operating handle for tightening the lashing belt via a ratchet mechanism is attached, and a ratchet release mechanism is provided for releasing the ratchet mechanism by rotating the operating handle in a release direction.

(Example) Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

1 to 6 show one embodiment of the present invention, and numeral 1 in the figures indicates a panel clamp device according to the present embodiment.

The panel clamp device 1 includes a pair of clampers 2.2, a clamping member 3 that clamps the pair of clampers 2 in a direction close to each other, and a clamping portion 4 of each clamper 2 and the clamping member 3 connected to each other. and a pair of lashing belts 5 that transmit tightening force to each clamp portion 4.

A pair of clampers 2 includes the clamp section 4 and the arm section 6.
The pair of arm portions 6 are fitted to each other so as to be slidable in the left-right direction in the figure via a clamper holder 7 disposed at the center in FIG.
4 can be arbitrarily set within the size range of the arm portion 6.

The clamp part 4 has an abbreviated shape, and has a clamp claw 8 rotatably supported at its tip, so that the clamp claw 8 bites into a panel member 9 such as a floor panel when tightening the panel, which will be described later. It has become.

In this embodiment, the tightening member 3 includes an operating handle IO;
A ratchet mechanism 11 is provided.

Further, the tightening member 3 has a winding shaft 12 around which an end 51a of a tightening lashing belt 51 whose length varies as described later among the pair of lashing belts 5, and one end of the other fixed lashing belt 52. 52a is fixedly attached to the fixed shaft 13.

A slit 14 of a predetermined length is formed in the winding shaft 12 in the axial direction, and as shown in FIGS. 3 and 6, the end 51a of the tightening lashing belt 51 passes through the slit 14. It is designed to be wrapped.

Further, the end portions of the operating handle lo are also pivotally supported on the winding shaft in a bifurcated shape.

In this embodiment, the ratchet mechanism 11 includes a ratchet wheel 15 fixed to one end of the winding shaft, and a tightening pawl 17 and a lock pawl 18 that mesh with teeth 16 formed on the circumferential surface of the ratchet wheel 15. It is equipped with

The tightening pawl 17 is pivotally supported on the operating handle 10 by a shaft 19, and is pressed against the teeth 1 of the ratchet wheel 15 by a pressing member 20 fixed to the operating handle IO.
It is directed in the direction of engagement with 6.

That is, the pressing member 20 includes a pressing pin 21 and a compression spring 22, and the pressing force of the spring 22 causes the pressing pin 21 to press against the clamping claw 17.
By constantly pressing the pressing piece 23, the pawl 17a meshes with the tooth 16.

Further, the lock pawl 18 is pivotally supported on the tightening member main body by a rotation shaft 24, and is moved in the direction of meshing with the ratchet wheel teeth 16 by a spring 25 as a biasing means attached to the rotation shaft. Always energized.

Furthermore, in this embodiment, a release piece 26 formed to protrude from one end of the lock claw 18 and a protrusion 27 provided at one end of the tightening claw 17 constitute a lock release mechanism.

As shown in FIGS. 1 and 2, one end of the stainless steel wire 29, 29 is fixed to the upper part of the pair of clamp parts 4 via the connecting hardware 28, and the other end is attached to the latch hook 30. The latch hooks 30 are respectively hooked to metal fittings 32 and 32 attached to the tie bars 31.

Furthermore, one end of a stainless wire 34.34 is fixed to a hardware 33.33 of the tie bar 31, and the other end is fixed to a round hook 35 for securing to a lifting means such as a crane.

In addition, as shown in FIG. 2, in this embodiment, two sets of clamp devices are arranged before and after the panel 9.

Hereinafter, the procedure for hoisting the wooden panel 9 using the clamp device 1 configured as described above will be explained.

First, the length of the tightening lashing belt 51 is adjusted in advance to a predetermined length according to the length of the panel 9 to be suspended as shown in FIG. 6(b).

Next, the clamp portions 4 of the pair of clampers 2 are placed on both sides of the panel 9 so that the clamp claws 8 at the tips thereof come into contact with the end of the panel.

Next, when the operating handle lO is rotated in the tightening direction (clockwise in FIG. 4), the tightening pawl 17 pivotally supported by the handle lO meshes with the teeth 16 of the ratchet wheel 15, so that the ratchet The wheel 15 and the winding shaft 12 rotate together and wind the tightening lashing belt 51, thereby drawing the pair of clampers 2.2 together.

If the setting is made so that the tightening is completed at the position of the operating handle lO shown in FIG. Therefore, the tightened state can be maintained reliably.

Therefore, the clamp claws 8 of the pair of clampers 2 are connected to the panel 9.
In this way, a pair of clamp devices 1 are provided at the front and rear of the panel 9, which can bite into the wood end surface and tighten and grip the panel 9.
．． 1, by hanging a hook (not shown) of a lifting means such as a crane on the round ring 35, the panel 9 can be lifted together with the clamp device and moved to a predetermined position.

On the other hand, when removing the clamp device 1 from the panel 9 after hanging, rotate the operating handle lO in the opposite release direction (counterclockwise in Fig. 4) and move it to the position shown in Fig. 5. When the rotation occurs, the protrusion 27 of the tightening pawl 17
engages with the release piece 26 of the lock pawl 18 to push and rotate the lock pawl 18, and the lock pawl 18 and ratchet wheel 15
Since the engagement with the teeth 16 is released, the clamping device l can be easily removed from the panel 9 by loosening the tightening lashing belt.

As described above, the clamping device Ftl according to this embodiment is highly reliable as it can securely grip the panel 9 to prevent it from falling, and the panel 9 can be gripped and released by rotating the operating handle 10 in the opposite direction. Since it can be done only by manual operation, it can be done either by lifting or lifting, which can improve work efficiency.

Furthermore, the structure is simple and can be manufactured at low cost.

(Effects of the Invention) Since the present invention is configured as described in section 2, it is possible to grip and release an article only by rotating the operating handle in the forward and reverse directions. Therefore, the lifting work can be carried out simply and quickly, and the work efficiency can be improved.

Further, since it has a simple structure consisting of a pair of clampers, a lashing belt, and a tightening member, it can be manufactured at low cost, and has various useful effects.

[Brief explanation of the drawing]

1 to 6 show one embodiment of the present invention. FIG. 1 is a front view of the main parts of the entire device including the lifting device, FIG. 2 is a side view of FIG. 1, and FIG. 4 is a side view of FIG. 3, FIG. 5 is an explanatory diagram showing a released state, and FIG. 6 is an explanatory diagram showing a tightening lashing belt in a wrapped state. . l... Panel clamp device, 2... Clamper, 3... Tightening member, 4...
・Clamp part, 5... Lashing belt, 6.
...Arm part, 8...Clamp claw, 9...
Panel, lO...operation handle, 11...
・Ratchet mechanism, 12... Winding shaft, 15... Ratchet wheel, 16... Teeth, 17... Tightening claw, 1
B-...Lock claw, 26...Release piece, 27-
··protrusion.

Claims (7)

[Claims] (1) In a clamping device for gripping and lifting a panel, a pair of clampers are slidably fitted to each other;
The clamping member includes a tightening member that tightens the pair of clampers in a direction close to each other, and a lashing belt that connects the clamping portion of each clamper and the tightening member and transmits a tightening force to each clamping portion. A panel characterized in that the member is equipped with an operating handle that tightens the lashing belt via a ratchet mechanism, and is also provided with a ratchet release mechanism that releases the ratchet mechanism by rotating the operating handle in a release direction. clamping device. (2) The tightening member has a winding shaft around which one end of the pair of lashing belts is wound, and a fixed shaft around which an end of the other lashing belt is fixed. The panel clamp device according to item 1. (3) The panel clamp device according to claim 2, wherein the operating handle has a base end pivotally supported by the winding shaft. (4) The ratchet mechanism includes a ratchet wheel fixed to the end of the winding shaft, and a tightening claw and a locking claw that mesh with the teeth of the ratchet wheel. Panel clamp device as described in section. (5) The tightening pawl is pivotally supported by the operating handle and is biased in the direction of meshing with the teeth of the ratchet wheel by a pressing member fixed to the operating handle. The panel clamp device according to items 1 to 4. (6) The panel clamp device according to any one of claims 1 to 5, wherein the lock pawl is always urged in a direction in which it engages with the ratchet wheel by an urging means. (7) The lock release mechanism includes a release piece protruding from one end of the lock claw and a protrusion provided at one end of the tightening claw, and when the operating handle is rotated in the release direction, the protrusion is released. 7. The panel clamp device according to claim 1, wherein the release piece is pressed and rotated to release the engagement between the lock pawl and the teeth of the ratchet wheel.