JP4096079B2 - PC cable plate with crimp grip - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a PC cable plate with a crimping grip that can be attached to a PC cable with a crimping grip and also used as a pressure bearing plate or a spacer.
[0002]
[Prior art]
As load-bearing structures for protective fences such as rock sheds and snow sheds, synthetic structures are known in which hard bodies such as concrete are filled in pipes such as steel pipes.
In the composite load-bearing structure, a PC cable is disposed in the tube, the PC cable is supported by an anchor plate so that the initial tension is almost zero, and the tube is filled with a hardener. Accordingly, there is a configuration in which higher rigidity can be obtained as compared with a synthetic structure including only a tubular body and a hardening material.
Grips for supporting the PC cable on the anchor plate are provided at both ends of the PC cable constituting the load-bearing structure.
In this case, as a means for reliably providing a grip on the PC cable, it is known to use a PC cable with a crimping grip in which a crimping grip is previously attached in the PC cable manufacturing stage.
[0003]
[Problems to be solved by the invention]
In the load-bearing structure in which the above-described conventional PC cable with a crimping grip is inserted, there are the following problems to be solved.
<A> When a crimping grip is used for supporting the anchor plate, the PC cable cannot be inserted into the anchor plate at the site because the crimping grip is provided at the time of manufacturing the PC cable.
Further, in order to attach the crimping grip to the PC cable, a special machine is required, and it is difficult to attach the crimping grip to the end of the PC cable in the field.
<B> When a crimping grip is provided on a PC cable, it is conceivable to insert the anchor plate in advance and crimp the grip. However, in consideration of economy and difficulty in transporting after mounting, it is not realistic.
[0004]
OBJECT OF THE INVENTION
The present invention has been made in view of the above points, and the object of the present invention is that it can be retrofitted to a PC cable with a crimping grip, has good setability to the PC cable, and is economical. Another object is to provide a PC cable plate with a crimping grip.
[0005]
[Means for Solving the Problems]
The invention according to claim 1 is a plate used for supporting or fixing a PC cable in which a crimping grip is provided at both ends in advance. The plate includes a laminated body of two plates, and the one plate is an outer plate that can accommodate the PC cable. With a crimping grip, characterized in that a facing groove is formed, the other plate forms an inward groove that can accommodate a PC cable, and the PC material is enclosed between the grooves of the two plates. This is a PC cable plate.
The invention according to claim 2 is the PC cable plate with crimping grip according to claim 1, wherein the two plates are in an annular shape.
The invention according to claim 3 is the PC cable plate with crimping grip according to claim 1, wherein the two plates are arc-shaped.
According to a fourth aspect of the present invention, in the PC cable plate with a crimping grip according to any one of the first to third aspects, the PC with the crimping grip is characterized in that the two plates brought into close contact with each other are bolted. This is a cable plate.
According to a fifth aspect of the present invention, in the PC cable plate with a crimping grip according to any one of the first to fourth aspects, the two plates are arranged apart from each other, and are connected between the plates via a separation connector. This is a PC cable plate with a crimping grip.
[0006]
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1
A PC cable plate with a crimping grip according to the present invention will be described below with reference to the drawings.
The embodiment of the present invention will be described with respect to an example in which a PC cable plate with a crimping grip is attached to an end portion of a PC material as an anchor plate.
[0007]
<A> Overall Configuration As shown in FIG. 1, a PC cable plate 1 with a crimping grip includes a first plate 11, a second plate 12, and a pressing plate 2.
The PC cable plate 1 with a crimping grip is constructed by combining the first plate 11 and the second plate 12 together, and disposing the pressing plate 2 on the integrally combined plates 11 and 12.
The PC cable plate 1 with a crimping grip is disposed on a known tube body 4 constituting a load-bearing structure or the like in a state of being attached to a PC cable with a crimping grip (hereinafter referred to as “PC cable”) 3.
[0008]
<B> First Plate The first plate 11 has an annular shape having an opening 112 having a diameter at least larger than the cross-sectional diameter of the PC cable in the base body 111. An orientation groove 113 is formed.
To attach the first plate 11 to the PC cable 3, the PC cable 3 is first inserted into the opening 112 of the base 111, and then the PC cable 3 is fitted into a predetermined outward groove 113 and accommodated.
At this time, as shown in FIG. 2, since the crimping grip 31 is attached to the end of the PC cable 3 in advance, the crimping grip 31 is first passed through the opening 112 having a diameter larger than the sectional diameter of the PC cable 3.
Thereby, the main body portion of the PC cable 3 can be fitted into the groove 113 of the first plate 11 and accommodated, and the first plate 11 can be attached to the PC cable 3.
The outward groove 113 of the base 111 is formed by appropriately selecting various settings such as the number, size, formation position, and the like according to the use of the load-bearing structure to be manufactured.
The opening 112 has a good filling property when filling the tube body 4 with concrete in order to construct a load-bearing structure, in addition to inserting the crimping grip.
[0009]
<C> Second plate The second plate 12 is a disk-shaped plate body in which an inward groove 123 into which the PC cable 3 is inserted is formed in the base 121 from the peripheral edge 122 of the base 121.
The second plate 12 is attached to the PC cable 3 by positioning the PC cable 3 on the peripheral edge 122 side of the base 121 and fitting the PC cable 3 into each inward groove 123.
At this time, as shown in FIG. 2, the second plate 12 is attached to the PC cable 3 regardless of the presence or absence of the crimping grip 31 only by fitting the main body portion of the PC cable 3 from the peripheral edge portion 122 of the base 121. Is possible.
The inward groove 123 of the base 121 is formed by appropriately selecting various settings such as the number, size, formation position and the like according to the use of the load bearing structure to be manufactured and the first plate 11 described above.
In addition, an opening 124 is opened in the second plate 12 in consideration of the filling property of concrete or the like to be filled in the tube body 4 in order to construct a load-bearing structure at a position that does not interfere with the inward groove 123, as shown in the figure. An annular shape is also possible.
[0010]
<D> Pressing plate The pressing plate 2 is a member for restraining the crimping grip 31 of the PC cable 3 to which the first plate 11 and the second plate 12 are attached.
After the first plate 11 and the second plate 12 are attached to the PC cable 3, the pressing plate 2 is attached to the plates 11 and 12 by a known fastening means such as a bolt so as to sandwich the crimping grip 31.
[0011]
[Action]
Hereinafter, the mounting of a PC cable plate with a crimping grip as an anchor plate will be described by taking a PC material having a fixing tool at an end as an example.
[0012]
<A> Mounting the first plate In mounting the PC cable plate with the crimping grip on the PC cable, the first plate, which is one constituent member of the PC cable plate with the crimping grip, is first mounted.
In the first plate, an opening having a diameter larger than that of the PC cable is formed in the base, and a crimp grip of the PC cable is inserted therethrough.
The PC cable inserted through the opening of the base accommodates the main body portion having a diameter smaller than that of the crimping grip by being fitted into the outward groove.
At this time, the PC cable does not come off because the crimping grip is locked by the base.
[0013]
<B> Mounting the second plate Following the first plate, the second plate is mounted on the PC cable.
Since the inward groove is formed in the peripheral portion of the base body, the second plate has the PC cable positioned in the peripheral portion of the base body and is fitted into the inward groove and accommodated.
Further, the second plate is moved and combined with the first plate.
By combining the first plate and the second plate integrally, the groove portion of each plate and the plate body overlap, and only the space that enables the PC cable to be opened is opened. It is possible to function as an anchor plate without reducing the bearing area.
[0014]
<C> Mounting the pressure plate After combining the first plate and the second plate, the pressure plate for restraining the crimp grip of the PC cable is mounted.
The pressing plate is attached to the anchor plate by known connecting means such as bolting.
[0015]
Second Embodiment of the Invention
The first embodiment of the invention describes an example in which a PC cable plate with a crimping grip is attached as an anchor plate to the end of a PC cable.
On the other hand, it is possible to arrange | position the plate for PC cables with a crimping grip as a spacer which supports the middle of PC cable.
[0016]
In this case, the first plate and the second plate may be combined so as to be integrated so as to be attached to the end portion of the PC cable, and may be used in the middle of the PC cable.
Further, when the first plate and the second plate are used as spacers, it is conceivable to provide a predetermined interval between the two plates, which will be described in detail below.
[0017]
As shown in FIG. 3, the PC cable plate 13 with a crimping grip is designed to sufficiently support the PC cable 3 when the first plate 11 and the second plate 12 function as spacers of the PC cable 3. By separating the combination interval between the first plate 11 and the second plate 12, the support interval of the PC cable 3 by the spacer may be increased.
The first plate 11 and the second plate 12 are configured to be spaced apart by interposing a connecting tool 5 such as a known bolt material between the first plate 11 and the second plate 12.
With the above configuration, the PC cable 3 can be supported at two locations, the first plate 11 portion and the second plate 12 portion.
[0018]
Embodiment 3 of the Invention
In Embodiment 1 and 2 of invention, the example which exhibited the annular | circular plate as a plate which comprises the plate for PC cables with a crimping | compression-bonding grip is demonstrated.
On the other hand, it is also possible to make the plate arc-shaped with only the portions necessary for PC cable arrangement.
[0019]
Embodiment 4 of the Invention
In each of the embodiments of the present invention described above, a spacer combined anchor plate is constructed by attaching to the PC cable in the order of the first plate in which the groove is formed from the opening of the base and the second plate in which the groove is formed from the outer peripheral edge of the base. An example of this is described.
On the other hand, it is also possible to attach to the PC cable prior to the second plate.
That is, if the groove formed in each forms a space for inserting a PC cable by combining the first plate and the second plate, whichever plate is attached to the PC cable may precede.
[0020]
【The invention's effect】
Since the present invention is as described above, the following effects can be obtained.
<B> Even with PC materials pre-attached with a crimping grip as a fixing tool, the fixing tool interferes with the crimping blip by fitting the PC cable body part horizontally into the inward or outward groove of each plate. It is possible to easily fix the PC cable plate with a crimping grip, which is a bearing plate.
<B> PC cable plate with crimping grip is a plate that is placed on a PC cable that has been fitted with a crimping grip in advance, and considering the filling properties of concrete, etc. that fills the tube when manufacturing a load-bearing structure. By forming the opening in the center and combining the remaining annular portions with the groove directions of the two plates being different from each other, the remaining bearing area is not impaired.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of an anchor plate for a PC cable with a crimping grip according to the present invention. FIG. 2 is an explanatory diagram of an anchor plate for a PC cable with a crimping grip according to a first embodiment of the invention. Explanatory drawing of anchor plate for PC cable with crimp grip according to Form 2 [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Anchor plate for PC cables with a crimping grip 11 First plate 111 Base 112 Opening 113 Outward groove 12 Second plate 121 Base 122 Peripheral portion 123 Inward groove 124 Opening 13 Anchor plate for PC cable with crimping grip 2 Press plate 3 PC Cable 31 Fixing tool 4 Tube 5 Connecting tool

Claims (5)

In the plate used for supporting or fixing the PC cable, which is provided with crimp grips at both ends in advance,
It consists of a laminate of two plates,
The one plate forms an outward groove that can accommodate a PC cable;
The other plate forms an inward groove that can accommodate the PC cable,
It is characterized in that the PC material is surrounded and accommodated between the grooves of both plates,
PC cable plate with crimp grip. The PC cable plate with a crimping grip according to claim 1, wherein the two plates are ring-shaped. The PC cable plate with a crimping grip according to claim 1, wherein the two plates are arc-shaped. The PC cable plate with a crimping grip according to any one of claims 1 to 3, wherein the two plates that are brought into close contact with each other are bolted together. 5. The PC cable plate with a crimping grip according to claim 1, wherein the two plates are arranged apart from each other, and connected between the plates via a separation connector. PC cable plate with crimp grip.

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