JPS6028972B2 - Punching method and device for underground horizontal members - Google Patents

Description

[Detailed description of the invention] The method of pushing underground horizontal members into the ground is to use a propulsion jack from the rear of the horizontal member using a conventional propulsion method, or to use a method exclusively for punching horizontal members using a large-scale punching machine. The former method is still in its infancy and the extension of construction capacity is limited, and the latter method is currently not very effective due to the high costs due to the large-scale expansion of machinery and equipment. It's almost unused.

The object of the present invention is to eliminate the drawbacks of the above two construction methods, and to provide a method and device for punching out underground horizontal members, which uses a simple device and is excellent in construction method, construction ability, and economy.

That is, the present invention fixes a group of small locking members at appropriate intervals to both sides of a horizontal member that is hemmed at a predetermined position, and has a melon in front of it at a position near the front of the ground into which it is to be pushed. The movable propulsion jack equipment pivotally attached to the jack receiving and moving plywood at the rear via the jack mounting plate is fixed to another object, and the gourds of the movable jack equipment are locked from both sides to the small locking members of the horizontal member. In this method, the movable propulsion jack is used to push in the propulsion (in the case of extraction, the movable propulsion jack is turned in the opposite direction and pulled out), and unlike the conventional propulsion method, the horizontal member is inserted from the rear using the intermediate push village as an intermediary. Since it is possible to propel the horizontal member from both sides while advancing the locking point of the horizontal member sequentially from the front without propelling it, it is possible to reduce the moment and bending deformation of the horizontal member like the push-in method that pushes from the rear of the slender horizontal member. It has many other advantages, such as being able to push the horizontal member into the ground from the front without giving any pressure, has excellent directionality, and can extend the pushing length. It is smaller and lighter in comparison, and eliminates many of the drawbacks caused by the gripping and propulsion mechanism at the rear end of the horizontal member, which is inevitably adopted even in conventional large punching machines.

To explain one example of this construction method, firstly, the horizontal area village 1
The small locking members 1' are firmly attached at appropriate intervals on both sides of the ground, and are installed in the front part of the ground E or the front part of the front shaft wall 9 in the vertical direction.

Next, a movable jack propulsion equipment consisting of a movable propulsion jack 2 having a melon 3 with an arm 3 attached to the front and a jack receiving movable plywood 6 which is pivotally mounted 53 via a jack mounting plate 4 attached to the rear of the movable jack propulsion equipment is installed on the ground. It is installed on both sides of the horizontal member 1 at a position close to the front of the entrance of the mountain B or the front of the front mine wall 9, and the gourd 3' at the front end of the movable propulsion jack 2 is locked to the small locking member 1' of the horizontal member 1. They are arranged and configured so that the

The horizontal member 1 is hemmed with a separate horizontal member fixture 101 shown in FIG. Further, a jack movable plywood 6 to which the jack mounting plate 4 at the rear of the movable propulsion jack 2 is pivotally attached 5 is firmly attached to the jack reaction force receiving member 7 shown in each figure at the attachment/detachment mark with bolts 6. In addition, the jack reaction force receiving member 7 is fixed to the rear shaft wall 9' via the reaction force mediating section 8 when the horizontal member 1 is to be propelled, and when the horizontal member 1 is to be pulled out, the jack reaction force receiving member 7 is fixed to the tip of the ground B or It is directly fixed to the front surface of the front mine wall 9 to absorb the reaction force when the horizontal section 1 is extracted. With the above configuration, as shown in FIGS. 4 and 5, the gourd 3' at the front end of the movable propulsion jack 2 is locked to the locking parts 1' on both sides of the horizontal part 1. When the arm 3 is retracted after being propelled one stroke forward using the arm 3 as an intermediary, the propulsion jack 2 rotates outward around the pivot portion 5 of the rear jack mounting plate, as shown by the dotted line in the figure. When the shortening of the arm 3 is completed, the front end of the arm 3 is hooked again to the adjacent rear small locking part village 1', and the same process as above is carried out. The horizontal member 1 is advanced into the ground by jack operation. When the horizontal members 1 have penetrated into the ground one after another in this way, the fixing bolts 6' of the jack moving plywood 6 and the jack reaction force receiving member 7 are removed and the adjacent horizontal members 1 are moved forward. Move to position and fix both 6 and 7 with bolts.

By sequentially repeating the above operations, the group of horizontal members can be easily propelled into the ground in a horizontal direction or in an oblique direction.

The advantages of this construction method are listed below: The method of the present invention uses supporting points in front of both sides of the horizontal member and pushes it into the ground one by one, without propelling the horizontal member from the rear as in the anchor method. Therefore, all the major drawbacks such as an increase in propulsion resistance due to bending due to the bending moment of the horizontal member and a miniaturization of the propulsion extension due to bending, which are generated when propelling the rear end of the horizontal member using the anchor propulsion method, are eliminated. .

That is, in this method, a fulcrum is set in front of the horizontal village, and a long horizontal member can be easily advanced into the ground in the correct direction from the front without bending moment or bending resistance.

(2) Furthermore, when pulling out the horizontal member, the position of the movable propulsion jack equipment of the present invention is reversed, and the reaction force is applied to the front surface of the earth, thereby making it easier to pull out the horizontal member.

(3) This construction method uses small and lightweight equipment to easily push horizontal members with large extensions into the ground, which is impossible with large-scale machines, without noise. 4. Lightweight, easy to handle, The advantages such as cost reduction are great.

'41 A construction method in which a conventional propulsion jack is used to push the rear of the horizontal member and an intermediate pusher is added in between, or a jack is moved forward and a new jack reaction force receiving member is created at the rear. Compared to the construction method, with the movable propulsion jack of this method, the position of the jack remains unchanged until one horizontal member is pushed to its full extent, and there is no need for intermediate pushers or reaction force equipment that are required with conventional construction methods. This method not only reduces the cost of the intermediate beams, but also reduces the length of the construction process compared to the conventional construction method, which was limited by the extension of the intermediate beams and the bending moment and bending resistance of the horizontal section. It is capable of punching out horizontal members with a larger extension, and is superior in terms of construction method and ability.

As described above, this construction method is superior to the potted construction method in terms of technology, construction method, ability, efficiency, economy, and environmental hygiene.

Next, one embodiment of an apparatus for carrying out the method of the present invention will be described. A small locking member 1' fixed at a predetermined interval on both sides of the horizontal member 1 to be pushed into the ground, and a ground E to be pushed in in front of both sides of the horizontal member 1.
Alternatively, at a position near the front shaft wall 9, as shown in FIGS. 4 and 5, there is a front end of the arm 3 3' in front of it, and a jack movable plywood 6 is mounted at the rear thereof via a jack mounting plate 4. A movable jack punching equipment consisting of a movable propulsion jack 2 attached to the movable jack 2 is provided, and the foundation is prepared so that the gourd 3' at the front end of the movable jack 2 is locked to the small locking member 1' of the horizontal member 1. .

The jack movable plywood 6 is firmly attached to the rear jack reaction force receiving member 7 with bolts 6 at the attachment/detachment point, and the jack reaction force receiving member 7 is connected to the rear mine wall 9 via the reaction force mediating member 8.
′ to form a reaction mechanism. Thus, as described above in the method of the present invention, the movable jack 2 is pushed in one stroke at a time and moved forward repeatedly so that the small locking portions 1' on both sides of the horizontal member 1 are locked with the gourds 3' of the horizontal member 1. When pushing in the full extension of one of the jack reaction force receiving members 7 and the jack moving plywood 6 is completed, remove the removal bolts 6' of the jack reaction force receiving member 7 and the jack moving plywood 6, move them to the adjacent positions, fix them with the removal bolts 6', and repeat the same operation. A group of horizontal members installed vertically or horizontally are successively pushed into the ground.

In addition, when pulling out the horizontal member 1, the movable jack pushing equipment is turned in the opposite direction, the jack reaction force receiving member 7 is installed on the front of the front mine wall 9 or the end of the ground E, and the movable jack is moved by the method described above. The horizontal member is pulled out by hooking it onto the locking members 1' on both sides of the horizontal member 1 with the melon 3' of the jack 2 and sequentially pulling it out in the opposite direction (rearward).

This device is a device for carrying out the method according to claim 1, and is small, lightweight, easy to handle, has great performance, and is inexpensive and economical in order to carry out the excellent effects and advantages of the method of the present invention. It's an excellent device.

[Brief explanation of the drawing]

1 and 2 are a plan view and a side view showing one embodiment of the present invention, and FIG. 3 is a sectional view taken along the line X--X in FIGS. 1, 2, and 2. Figure 4 is a detailed view of the place A in Figure 1. FIG. 5 shows a detailed side view of the part B in FIG. 2. 1... Horizontal village, 1'.
...Locking member, 2...Movable propulsion jack, 3...Jack arm, 3'...Melon, 4...
・Jack mounting plate, 5... Pivot, 6...
Jack receiving plywood, 6'...Detachable vault, 7...
...Reaction force receiving member, 8...Reaction force mediating member, 9...
...Front vertical shaft wall, 9' ... Rear vertical shaft wall, 18
...Horizontal member, support member. 3 spears with an O-shaped spear 2 spears with a 5-sized spear

Claims (1)

[Scope of Claims] 1. Near the front of the ground where the horizontal member is to be pushed or pulled out on both sides of the horizontal member, which has a group of small locking members fixed at appropriate intervals on both sides of the horizontal member, A movable propulsion jack device is provided in front thereof, which has a claw that can be detachably locked to the locking member, and has a jack receiving moving base plate at the rear, which is pivotally connected via a jack mounting plate, and A method for pushing out an underground horizontal member, characterized in that the melon in front of the jack is hooked to the small locking members from both sides, and the horizontal member is sequentially advanced or pulled out of the ground using a movable propulsion jack. 2. A horizontal member having small locking members fixed at appropriate intervals on both sides, with the small locking members in front on both sides of the horizontal member near the ground surface where the horizontal member is to be penetrated or pulled out. Punching of an underground horizontal member characterized by a movable propulsion jack equipment having a gourd for locking a stop member and a jack receiving moving table plate pivotally attached at the rear via a jack mounting plate. Device.