JP2012002030A - Temporary scaffold for slope face and installation method of the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a temporary scaffold for a slope face and a installation method thereof which allow an operator's burden in work at a slope face of a site, a mountain and the like to be reduced relatively easily and at low cost.SOLUTION: A body frame 4 is formed by connecting a horizontal member 3 with a pair of inclined supports 2 arranged in parallel. One end of a floor board 5 is rotatably pivoted to the body frame 4, and support means 7 is provided to support the floor board 5 at any angle with respect to the inclined supports 2. A front end of the body frame 4 is provided with a locking piece 15 to lock cord-like bodies A for lifting and lowering the body frame suspended from above the slope face, while front and rear ends of the body frame 4 are provided with fixing means 16 to support and fix the body frame 4 to the slope face. This structure allows installation of a temporary scaffold 1 for a slope face which is simply structured and easy-to-handle, and useful for reducing an operator's burden relatively easily and at low cost.

Description

  The present invention is intended for use as a temporary storage place for working tools, materials, etc. when performing work on a slope such as a construction site or mountain, for example, construction of a residential land, construction of a highway, construction of a forestry project, etc. The present invention relates to a temporary scaffold and its installation method.

  Conventionally, when civil engineering workers etc. work on the slope formed when cultivating mountains etc. and constructing residential land or constructing highways etc., for example, with a wire rope etc. of an appropriate length from above the slope The worker is suspended and supported, and the operator moves along the wire rope in that state, or moves the wire rope with a winch or the like to move it to a desired position along the slope to perform various operations. In any case, such work on the slope is dangerous because the scaffolding is unstable, and there are places where materials and equipment used for the work are temporarily deposited. It was difficult to secure, so the work efficiency was poor, and it imposed a heavy burden on the workers.

  On the other hand, in order to reduce such a burden on the operator, for example, in Patent Document 1 (Japanese Patent Laid-Open No. 9-72087), a slope constructed by assembling a frame, a scaffolding plate, and the like along the slope. A temporary scaffold for work is disclosed. If working from such a temporary scaffold, the worker can secure a stable scaffold, work relatively safely, can also be used as a resting place, and temporarily store materials and equipment. Therefore, it is considered that the work efficiency is excellent and the burden on the worker can be reduced.

Japanese Patent Laid-Open No. 9-72087

  By the way, when installing the temporary scaffolding as described above on the slope, it is necessary to work on unstable feet, and it is necessary to sequentially assemble or disassemble a large number of frames and scaffolding plates from the lower end side of the slope. Therefore, it seems that it requires a certain amount of labor and cost, and it is expected that it may be difficult to employ, for example, when a relatively small work is performed.

  In view of the above points, the present invention provides a temporary scaffold for a slope and a method for installing the same that can reduce the burden on a worker on a slope such as a construction site or a mountain relatively easily and at low cost. It is an issue to provide.

  In order to solve the above-mentioned problem, the temporary scaffold for slope according to claim 1 according to the present invention is a temporary scaffold for slope installed on a slope such as a construction site or a mountain, and is a pair arranged in parallel. Inclined struts are connected with a horizontal frame to form a main body frame. One end of the floor plate is pivotally attached to the main body frame, and the floor plate is supported at an arbitrary angle with respect to the inclined strut. And a front end of the main body frame is provided with a locking piece for locking a rope for lifting the main body frame suspended from above the slope, while the front and rear ends of the main body frame are provided with a main body. A fixing means for fixing the frame to the slope is provided.

  In the temporary scaffold for slope according to claim 2, the fixing means includes an insertion hole for inserting a fixed anchor at the front and rear end portions of the main body frame, and the fixed anchor is driven into the slope through the insertion hole. It is characterized by comprising so that it can fix by.

  Moreover, in the temporary scaffold for slope according to claim 3, the fixing means includes a locking bracket at front and rear ends of the main body frame, and locks the locking bracket on a steel pipe installed on the slope. It is characterized by being configured to be fixable.

  According to a fourth aspect of the present invention, there is provided a method for installing a temporary slope scaffold for slopes installed on a slope such as a construction site or a mountain. It is connected with a frame to form a main body frame, and one end of a floor plate is pivotally attached to the main body frame, and the floor plate can be supported at an arbitrary angle with respect to an inclined column, The main body frame elevating cable-like body suspended from above the slope is locked to the main body frame, and the main body frame is raised and lowered along the slope according to the feeding and lifting operation of the rope-like body, and then the desired position The main body frame that is moved up and down is fixed to the slope by the fixing means, while the floor board is rotated according to the slope of the slope and supported substantially horizontally.

  According to the temporary scaffold for slope according to claim 1 of the present invention, a temporary scaffold for slope installed on a slope such as a construction site or a mountain, wherein a pair of inclined struts arranged in parallel is a horizontal member The main body frame includes a support means for pivotally attaching one end of the floor board to the main body frame, and supporting the floor board at an arbitrary angle with respect to the inclined column. The front end of the main body frame is provided with a locking piece for locking the cable body for lifting the main body frame suspended from above the normal surface, and the main body frame is fixed to the normal surface at the front and rear end portions of the main body frame. Since the fixing means is provided, the structure is simple and easy to handle, and it is possible to install a temporary scaffold for a slope that is relatively easy and low in cost and useful for reducing the burden on workers.

  Further, according to the temporary scaffold for slope according to claim 2, the fixing means includes an insertion hole for inserting a fixed anchor at the front and rear end portions of the main body frame, and the fixed anchor is attached to the slope through the insertion hole. Because it is constructed so that it can be fixed by driving, the structure is simple and easy to handle, and it is possible to install temporary scaffolds for slopes that are relatively easy and low in cost and useful for reducing the burden on workers. It becomes.

  Further, according to the temporary scaffold for slope according to claim 3, the fixing means includes locking metal fittings at front and rear end portions of the main body frame, and locks the locking metal fittings to a steel pipe installed on the slope. Because it is structured so that it can be fixed, the structure is simple and easy to handle, and it is possible to install a temporary scaffold for slopes that is relatively easy and low in cost and useful for reducing the burden on workers. Become.

  Further, according to the method for installing a temporary scaffold for slope according to claim 4, a method for installing a temporary scaffold for slope installed on a slope such as a construction site or a mountain, wherein the pair of inclined struts are arranged in parallel. Are connected to a horizontal frame to form a main body frame. One end of the floor plate is pivotally attached to the main body frame, and the floor plate can be supported at an arbitrary angle with respect to the inclined column. Then, after locking the cable body for lifting the body frame suspended from above the slope surface to the body frame, extending the cable body and raising and lowering the body frame along the slope according to the lifting operation, The main body frame that has been raised and lowered to the desired position is fixed to the slope by the fixing means, while the floor plate is rotated and supported substantially horizontally according to the slope of the slope, so the structure is also easy to handle Easy, relatively easy and low cost, useful for reducing the burden on workers It is possible to install a temporary scaffolding for the surface.

It is a front view of one Example of the temporary scaffold for slopes which concerns on this invention. It is a partially cutaway top view of FIG. It is a front view of the temporary scaffold for slopes which shows an installation state. It is a description perspective view of the example of installation of the temporary scaffold for slopes. It is a figure equivalent to FIG. 3 of another Example. It is a figure equivalent to FIG. 4 of another Example.

  According to the temporary scaffold for slope according to the present invention, a pair of inclined struts arranged in parallel is connected by a horizontal member to form a main body frame, and one end of a floor plate is pivotally pivoted on the main body frame. A support means for wearing and supporting the floor board at an arbitrary angle is provided, and a cable such as a wire rope for lifting the main body frame suspended from above the slope is provided at the front end of the main body frame. On the other hand, the front and rear end portions of the main body frame are provided with insertion holes for driving fixed anchors, for example, as fixing means for fixing and supporting the main body frame on the slope.

  When installing the above-mentioned temporary scaffold for slopes on a slope such as a construction site or a mountain, first, one end of a cable-like body such as a wire rope is fixed above the slope, The end portion is locked and fixed to the locking piece of the main body frame. Next, in this state, the main body frame is arranged on the slope, and the cord-like body is manually extended or pulled up using a winch or the like, and the main body frame is moved up and down along the slope to a desired position. Move. Then, after fixing anchors to the slope through the insertion holes provided in the front and rear end portions of the main body frame, the main body frame is securely fixed on the slope, and then the floor plate according to the slope of the slope Rotating is made to be approximately horizontal and fixed and supported by the support means, and the installation work of the temporary scaffold for slope is completed by installing a handrail around the floor plate as necessary.

  Then, the worker can get on the horizontal floor board of the temporary scaffold for slope fixedly supported on the slope and perform various work while ensuring safety, and use it as a resting place between work, Alternatively, it can be used effectively as a place to temporarily store bulky materials and equipment.

  In addition, when the installation location of the temporary scaffold for the slope is changed according to the progress of the work, or when it is removed and recovered from the slope at the end of the construction, the main body frame is attached by the cable-like body. Pull out the fixed anchor while lifting and supporting it, and then release the fixed.Then, the cord-like body is extended and pulled up as appropriate to raise and lower the main body frame along the slope, move it to the next work location, and then move the fixed anchor again. It is driven in and fixed to the slope, and is re-installed, or it is moved up and down to the upper end or lower end of the slope to recover.

  In this way, the equipment structure is simple, installation / removal work is easy and easy to handle, it can be operated relatively easily and at low cost, and it can be used without difficulty in small-scale work sites, etc. Can be effectively reduced.

  Embodiments of the present invention will be described below with reference to the drawings.

  Reference numeral 1 in the figure denotes a temporary scaffold for a slope installed on a slope such as a construction site or a mountain, and a pair of inclined struts 2 arranged in parallel are connected by a horizontal member 3 to form a main body frame 4. In addition, the front end portion of the floor plate 5 is pivotally attached to the main body frame 4 by the shaft body 6, and the floor plate 5 can be supported at an arbitrary angle with respect to the inclined column 2. Support means 7 is provided.

  The floor plate 5 is a rectangular plate material, and is appropriately wide enough for an operator to get on the work, for example, or to temporarily store various materials and equipment required for the work. It is formed, and when it is installed on the slope, it is adjusted to be horizontal by rotating according to the slope of the slope, etc., and then fixed and supported by the support means 7, while on the main body frame 4 side during transportation and storage It is folded so that it is in close contact with the main body frame 4 so as not to be bulky.

  The supporting means 7 can assume various forms, for example, in the present embodiment, a long hole 8 for adjusting the angle is formed in the side surface of the inclined column 2 along the longitudinal direction. A bolt fixing plate 9 having round holes formed at predetermined intervals in a long hole having the same shape as the long hole 8 is overlapped and fixed to the long hole 8, and the large-diameter portion 11 of the fastening bolt 10 is fixed. A plurality of recesses 12 to be fitted are formed along the long holes 8.

  Further, one end of a support member 13 for supporting the floor plate 5 to the inclined column 2 is pivotally attached to the bottom surface portion of the floor plate 5 by a shaft body 14, while the other end of the support member 13 is attached to the bottom surface portion. By screwing the fastening bolt 10 inserted into the long hole 8, tightening and loosening the fastening bolt 10, and appropriately changing the recess 12 into which the large-diameter portion 11 of the fastening bolt 10 is fitted The floor plate 5 can be easily adjusted to an arbitrary angle with respect to the inclined column 2.

  The front end of the body frame 4 is provided with locking pieces 15 for lifting the body frame A, such as a wire rope, for lifting the body frame. A fixing means 16 for stably fixing and supporting the frame 4 with respect to the slope is provided.

  As the fixing means 16, for example, as shown in FIGS. 1 to 4, support pieces 17 protrude from the sides of the four corners of the main body frame 4, and fixed anchors are inserted at substantially the center of the support pieces 17. The main body frame 4 can be firmly fixed and supported on the slope by drilling a common insertion hole 18 and driving a fixed anchor B into the slope through the insertion hole 18.

  5 to 6 show another embodiment of the fixing means 16, which is provided with locking metal fittings 19 such as clamps at both ends of the inclined column 2 of the main body frame 4, while having a predetermined on the slope. The main body frame 4 is configured to be able to be fixed and supported firmly and easily to the slope by locking the locking metal fitting 19 to the steel pipe C installed at intervals.

  A handrail material 20 is detachably installed around the floor plate 5 to ensure the safety of workers. The main parts of the main body frame 4 such as the inclined column 2, the horizontal member 3, the floor board 5, and the handrail material 20 are made of aluminum, so that they can be easily carried by manpower and can be easily lifted and lowered on the slope. We are trying to reduce the weight so that we can do it.

  And when installing the slope temporary scaffold 1 having the above-mentioned configuration on a slope such as a construction site or a mountain, first, one end portion of a cord-like body A such as a wire rope is fixed above the slope, A locking hook or the like fixed to the other end portion of the body A is locked to the locking piece 15 at the front end portion of the main body frame 4 and fixed. Next, in this state, the main body frame 4 is placed on the slope, and the cord-like body A is lifted up and down along the slope by manually extending or pulling up the cord-like body A using a winch or the like. To move to the desired position. And after fixing anchor B to each insertion hole 18 of support piece 17 which is fixing means 16 with which the front-and-rear end part of body frame 4 was equipped, and making body frame 4 fix and support on a slope certainly, The floor plate 5 is rotated and adjusted to be substantially horizontal according to the slope or undulation of the slope, and is fixedly supported by the support means 7. And the handrail material 20 stands up around the floor board 5 as needed, and the installation work of the temporary scaffold 1 for slopes is completed.

  On the other hand, when the slope temporary scaffold 1 is moved according to the progress of construction work, or when the slope temporary scaffold 1 is removed from the slope and collected at the end of the construction, While the main body frame 4 is suspended and supported by the cord-like body A suspended from the upper surface of the slope, the fixing anchor B driven into the insertion holes 18 at the front and rear ends of the body frame 4 is once extracted and fixed to the slope. After the release, the cord A is appropriately extended and lifted as described above to move the main body frame 4 up and down along the slope and move it to a desired location, and then the fixed anchor B is driven into the insertion hole 18 again. Then, it is fixedly supported on the slope or moved up and down to the upper end or lower end of the slope, and then the handrail material 20 is removed and the floor board 5 is folded and collected.

  As described above, the slope temporary scaffold 1 according to the present invention has a simple and lightweight device structure, can be carried by human power, can be easily installed and removed, is easy to handle, is relatively easy and low-cost. For example, it can be employed without difficulty even when performing a small-scale work site or a work with a level of simple maintenance. When installing on a slope, an operator rides on the floor plate 5 adjusted to the level of the temporary scaffold 1 for slope while ensuring safety, and uses it as a resting place between work. Or can be effectively used as a place for temporarily depositing materials and equipment required for work, etc., and it is possible to effectively reduce the burden on the field workers on the slope.

  In the present embodiment, an example in which only one temporary suspension scaffold 1 is installed on the slope, but for example, two or more temporary scaffolds 1 for slopes are installed on the slope. It may be arranged in the horizontal direction to secure a wide working space and use it as a working stage, or as a temporary passage for moving in the width direction of the slope.

DESCRIPTION OF SYMBOLS 1 ... Temporary scaffold for slopes 2 ... Inclined support | pillar 3 ... Horizontal material 4 ... Main body frame 5 ... Floor board 7 ... Support means 15 ... Locking piece 16 ... Fixing means 18 ... Insertion hole A ... Cord-like body B ... Fixed anchor

Claims (4)

  A temporary scaffold for slopes installed on the slope of a construction site or mountain, etc., and a pair of inclined struts arranged in parallel are connected by horizontal members to form a main body frame, and the main body frame has a floor plate One end of the body frame is pivotally mounted, and supporting means for supporting the floor board at an arbitrary angle with respect to the inclined column is provided. A temporary scaffold for a slope, comprising a locking piece for locking the cable-like body for use, and a fixing means for fixing the body frame to the slope on the front and rear ends of the body frame.   The fixing means includes insertion holes for inserting fixed anchors at the front and rear end portions of the main body frame, and is configured to be fixed by driving fixed anchors into a slope through the insertion holes. The temporary scaffold for a slope according to claim 1.   The fixing means includes a locking metal fitting at front and rear end portions of the main body frame, and is configured to be fixed by locking the locking metal fitting to a steel pipe installed on a slope. The temporary scaffold for a slope according to claim 1.   It is a method of installing a temporary scaffold for slopes to be installed on a slope such as a construction site or a mountain, and a pair of inclined struts arranged in parallel is connected by a horizontal member to form a main body frame. Is configured to pivotally support one end of the floor plate, and to be able to support the floor plate at an arbitrary angle with respect to the inclined support column. While the main body frame is locked to the main body frame, the main body frame is moved up and down along the slope according to the feeding and lifting operation of the cord-like body, and then the main body frame lifted to a desired position is fixed to the slope by the fixing means. An installation method for a temporary scaffold for a slope, wherein the floor plate is rotated and supported substantially horizontally according to the slope of the slope.

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