JPH08218303A - Manually operated flat board type compactor - Google Patents

Abstract

PURPOSE: To check weakening of compaction force caused by reaction of impact, and to make moving easy by a method wherein a flat board, with its bottom formed in a V shape section, is fixed at the tip of a tamping part of an impact device, and the upper face of the flat board is connected to a compactor main body with springs. CONSTITUTION: Main body-side connecting parts 12A, 12A are provided at the main body of a universally used impact device 1 incorporating an impact mechanism and having an impacting part 11. An impacting part-connecting member 35 and flat board-side connecting parts 36A, 36A are fixed by welding or one-piece molding to the upper face of a flat board 30A, for which the bottom 31A is formed in a V shape section with slopes 32, 33 provided, and the tip of the impacting part 11 is fixed by shrinkage fitting or fitting to a connecting hole 34 of the tamping part-connecting member 35. Extension springs 51, 51 of a jump- restraining part 50A are connected at their upper ends with the main body-side connecting parts 12A, 12A and at their lower ends with the flat board-side connecting parts 36A, 36A. The extension springs 51 of the jump-restraining part 50 check weakening of compaction force caused by jumping of the flat board 30 arising from reaction of impact force. With the main body 10 tilted toward the direction of moving, the direction of repulsive force working from the surface of compaction can be tilted too, and component of force is produced in the direction of movement.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat plate compactor for manual work which is used for compacting crushed stones that are rough enough to be laid on railroad tracks, and mainly for repairing railroad tracks.

[0002]

2. Description of the Related Art Conventional flat plate compactors for manual work include a general compactor (commonly known as rammer and vibration compactor) and a machine using a large impact tool (commonly known as concrete hammer).

The former general compactor is composed of a main body containing a vibration or shock generating mechanism, a vibration or shock transmitting portion, and a flat plate attached to the transmitting portion.

The latter one using a larger impact tool is composed of a main body having a built-in impact generating mechanism section, a shock transmitting section, and an accessory flat plate attached to the tip of the transmitting section.

[0005]

In the compaction work of crushed stones between railroad sleepers, a compactor is moved between sleepers, and reciprocation is repeated along the sleepers. It is manually compacted and compacted. In performing these operations, the conventional manual flat plate compactor has the following drawbacks.

[0006] In the conventional general compaction machine, (1) it is heavy and held by one person, and it is extremely difficult to carry it by hand over the sleepers. Normally, the ends of the sleepers are detoured for transportation. Therefore, work efficiency is poor. (2) It is designed on the assumption that it moves forward and moves, and when it is retracted, it is performed by operating the direction switching device or by changing the direction of the entire compaction machine, but both are immediately retracted. Work efficiency is poor.

In the conventional one using a large impact tool, (3) the body of the impact tool is flipped up against the flat plate by the reaction of the impact force generated in the impact tool during the compaction work, and the compaction force is weakened. Therefore, in order to compensate for this, it is necessary for an operator to perform compaction work while applying weight to the impact tool and holding it down. (4) Since the bottom surface of the flat plate is flat and perpendicular to the impact force,
Since the repulsive force from the crushed stone acts only vertically, the worker forcibly pushes and pulls the impact tool during movement during compaction.

In view of the above-mentioned conventional drawbacks, the present invention has been made.
Uses an impact tool that can be lifted and carried by one person, and provides the necessary compaction force even with rough crushed stone that is laid on railroad tracks without weighting, and that can easily and immediately reciprocate It is an object of the present invention to provide a flat plate compacting machine for manual work.

[0009]

In a general impact tool having a main body that can be carried by one person by hand and has an impact generating mechanism and a striking portion that transmits impact, the impact tool is connected to the main body side provided on the main body. Portion, a flat plate formed by attaching an upper surface side to the tip of the striking portion, and a bottom surface formed by an inclined surface arranged to face the V shape, a flat plate side connecting portion provided on the flat plate, the main body side connecting portion, and the flat plate. A function that can be mounted between the side connecting part and can suppress the jumping up of the main body with respect to the flat plate such as a spring or a stopper that can arbitrarily set the contact position within the stroke range of the striking part. And a bounce-up restraining part having the above are attached to form a flat-plate compacting machine for manual work.

[0010]

With the flat plate compactor for manual work constructed as described above, the body tends to bounce up against the flat plate due to the reaction of the impact force generated in the body of the impact tool during compaction work. The splash-up suppressing portion acts to suppress the main body from jumping up with respect to the flat plate and to alleviate the weakening of the compaction force.

When the flat plate compactor for manual work constructed as described above is tilted in the moving direction, the direction of repulsive force received from the compacting surface is also tilted to generate a component force in the moving direction to move the compactor. It acts to let you.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 5, reference numeral 1 is a general manual impact tool whose power is electric, pneumatic, engine, etc. and has a weight of about 10 to 20 kgf.
Reference numeral 0 denotes a main body having a built-in impact mechanism, and 11 denotes a striking portion for transmitting an impact.

Reference numeral 12A is a main body side connecting portion which is fixed to the main body 10, and is a connecting member 13 whose inner diameter is fitted to the main body 10.
A and a pair of connecting projections 14 provided on the connecting member 13A.
A, 14A and the connecting holes 15A, 15A provided in the connecting protrusions 14A, 14A, and the slot 16A, the screw hole 17A, the bolt hole 18A provided in the connecting member 13A, and the bolt hole 1
Fixing bolt 19 penetrating 8A and screwing into screw hole 17A
It consists of. The main body side connecting portion 12A is fixed to the main body 10 by fitting the connecting member 13A into the main body and tightening the fixing bolt 19.

Reference numeral 30A is a flat plate to be attached to the tip of the striking portion 11, the side dimension is between the sleepers, and the thickness dimension of the end is between the rail and the crushed stone, and the bottom surface 31A is V.
A striking portion connecting member 35 and a pair of flat plate side connecting portions 36 which are formed in a character shape by a pair of inclined surfaces 32 and 33, and which have a connection hole 34 on the upper surface for shrink-fitting or fitting and fixing the tip of the striking portion 11.
A and 36A are welded or integrally formed.

The flat plate side connecting portions 36A and 36A are flat plates 30A.
37A, 37 welded or integrally formed on the upper surface of the
A and a connecting hole 38A provided in the connecting member 37A, 37A,
38A.

50A is a connecting projection 1 of the main body side connecting portion 12A.
4A and 14A and the flat plate-side connecting portions 36A and 36A, which are a pair of bounce restraining parts assembled to each other.
The tension springs 51, 51 constituting A, 50A have one end with the connecting hole 15 of the connecting protrusion 14A, 14A of the main body side connecting portion 12A.
The other end of A15A is attached to the connection holes 38A and 38A of the connection members 37A and 37A of the flat plate side connection portions 36A and 36A.

The flat plate compaction machine for manual work having the above construction is
As shown in FIG. 4, a flat plate 30A is placed between sleepers, and the impact tool 1 is driven and used for compaction work. Impact tool 1
The main body 10 is flat plate 3 due to the reaction of the impact force generated in the main body of
Bounce up against 0A, but bounce up restraint unit 50
The springs 51, 51 of A and 50A act to suppress the main body 10 from jumping up with respect to the flat plate 30A and to alleviate the weakening of the compaction force.

In the flat-plate compacting machine for manual work having the above-mentioned construction, by tilting the main body 10 in the moving direction, as shown in FIG. 5, the direction of the repulsive force received from the compacting surface also produces a component force in the tilting moving direction. , Acts to move the compactor.

[0020]

Different Embodiments of the Present Invention Next, different embodiments of the present invention shown in FIGS. 6 to 9 will be described. In the description of this different embodiment of the present invention, the same components as those of the first embodiment of the present invention will be designated by the same reference numerals and redundant description will be omitted.

The second embodiment of the present invention shown in FIGS. 6 to 7 is mainly different from the first embodiment of the present invention in that the main body side connecting portion 12B is connected to the connecting member 13B and the pair of connecting projecting pieces 1 is used.
4B, 14B and connecting holes 15B, 15B, and a pair of flat plate side connecting portions 36B, 36B welded or integrally formed on the upper surface of the flat plate 30B by connecting members 37B, 37B and connecting holes 38B, 38B. Bounce control unit 5
A pair of connecting rods 56 and 56 having 0B and 50B penetrating through the connecting holes 15B and 15B and a lower end fixed to the connecting holes 38B and 38B by shrink fitting or welding, and a stopper 57 integrally formed on the upper ends of the connecting rods 56 and 56. , 57 and stopper 57,
And a cushioning member 58 fixed to the lower surface of 57,
The lengths of the connecting rods 56, 56 are not limited to the cushioning members 58, 58 on the upper surfaces of the connecting protrusions 14B, 14B within the stroke range of the striking portion 11 if the fixing position of the main body side connecting portion 12B is changed in the axial direction of the impact tool. That is, the lower surface of can be applied.

In use, the main body side connecting portion 12B is shifted to a position corresponding to the compaction force which differs depending on the type of crushed stone, and the fixing bolt 19 is tightened to fix the main body 10. Even if the bounce-up suppressing portions 50B and 50B configured as described above are used, the same operation as that of the first embodiment of the present invention can be obtained.

The third embodiment of the present invention shown in FIG. 8 is mainly different from the first embodiment of the present invention in that the bottom surface 31C of the flat plate 30C is modified to have a flat surface. Even with such a configuration, the same effect as that of the first embodiment of the present invention can be obtained with respect to suppressing the jumping up of the main body 10.

In the fourth embodiment of the present invention shown in FIG. 9, the main difference from the first embodiment of the present invention is that the main body side connecting portion 1 is provided.
2A and the flat plate side connecting portions 36A, 36A and the jump-up suppressing portions 50A, 50A are not provided. Even with this structure, the same operation as that of the first embodiment of the present invention can be obtained with respect to the movement of the impact tool 1.

[0025]

As is apparent from the above description, the following effects can be obtained in the present invention.

(1) In a general impact tool having a main body which can be carried by one person by hand and has an impact generating mechanism and a striking portion for transmitting an impact, the impact tool is provided with a main body side connecting portion provided in the main body. A flat plate formed by attaching an upper surface side to the tip of the striking portion and forming a bottom surface with a sloped surface facing the V-shape;
A flat plate side connecting portion provided on the flat plate and a spring or a contacting position which is attached between the main body side connecting portion and the flat plate side connecting portion so that a tensile force is constantly applied within the stroke range of the striking portion. Is installed on a railroad track, because a plate-type compactor for manual work is configured by attaching a bounce-up suppressing part having a function of suppressing the body from bouncing up with respect to the flat plate such as a stopper that can be arbitrarily set. The required compaction force can be obtained without compacting a crushed stone as rough as a crushed stone and applying the weight to a manual flat plate compactor.

(2) According to the above (1), even one person can lift and carry by hand, so that it is possible to easily move between sleepers.

(3) According to the above (1), the flat plate compactor for manual work can be moved in the horizontal direction during the compacting work by simply tilting the plate compactor for manual work in the desired direction. For example, compaction can be repeated while simply moving forward and backward along the sleeper.

(4) According to the above (1), since a commercially available general impact tool can be used, a flat plate compactor for manual work can be economically realized.

(5) According to a second aspect of the present invention, in a general impact tool that can be carried by one person and has a main body having a built-in impact generation mechanism and a striking portion for transmitting a shock, the impact tool is provided on the main body. A main body side connecting portion, a flat plate having a flat bottom surface with the upper surface side attached to the tip of the striking portion, a flat plate side connecting portion provided on the flat plate, the main body side connecting portion and the flat plate side connecting portion. Bounce suppression having a function of suppressing the bounce of the main body with respect to the flat plate such as a spring or a stopper capable of arbitrarily setting a contact position, which is installed between the striking parts and within a stroke range of the striking part. Since the flat plate compaction machine for manual work is configured by attaching the parts and the parts, the same effects as the above (1), (2) and (4) can be obtained.

(6) According to a third aspect of the present invention, there is provided a general impact tool having a main body which can be carried by one person and has a shock generating mechanism and a striking portion for transmitting a shock. The impact tool is provided on the main body. A flat plate compactor for manual work is constructed by attaching a main body side connecting portion and a flat plate formed by attaching an upper surface side to the tip of the striking portion and a bottom surface which is arranged to face the V shape. Therefore, the same effects as the above (2) to (4) can be obtained.

[Brief description of drawings]

FIG. 1 is a front view of a first embodiment of the present invention.

FIG. 2 is a side view of the first embodiment of the present invention.

FIG. 3 is a sectional view taken along line AA of the first embodiment of the present invention.

FIG. 4 is an explanatory view of a usage state of the first embodiment of the present invention.

FIG. 5 is an explanatory view of the operation of the first embodiment of the present invention.

FIG. 6 is a front view of the second embodiment of the present invention.

FIG. 7 is a sectional view taken along line BB of the second embodiment of the present invention.

FIG. 8 is a front view of the third embodiment of the present invention.

FIG. 9 is a front view of the fourth embodiment of the present invention.

[Explanation of symbols]

 1 Impact Tool 10 Main Body 11 Strike Part 12A, 12B Main Body Side Connection Part 13A, 13B Connection Member 14A, 14B Connection Projection Piece 15A, 15B Connection Hole 16A, 16B Slot 17A, 17B Screw Hole 18A, 18B Bolt Hole 19 Fixing Bolt 30A , 30B, 30C, 30D Flat plate 31A, 31C Bottom surface 32 Slope surface 33 Slope surface 34 Connection hole 35 Strike part connection member 36A, 36B Flat plate side connection portion 37A, 37B Connection member 38A, 38B Connection hole 50A, 50B Bounce suppression portion 51 Tension spring 56 Connection rod 57 Stopper 58 Buffer member

Claims (3)

[Claims] 1. A general impact tool having a body capable of being carried by one person and having a built-in impact generation mechanism and a striking portion for transmitting a shock, wherein the impact tool includes a main body side connecting portion provided on the main body, and An upper surface side is attached to the tip of the striking portion, and a flat plate formed by an inclined surface having a bottom surface arranged to face the V shape, a flat plate side connecting portion provided on the flat plate, the main body side connecting portion, and the flat plate side connecting portion. Bounce suppression having a function of suppressing the bounce of the main body with respect to the flat plate such as a spring or a stopper capable of arbitrarily setting a contact position, which is installed between the striking parts and within a stroke range of the striking part. A flat plate compaction machine for manual work that is configured by attaching parts and parts. 2. A general impact tool having a body capable of being carried by one person and having a built-in impact generating mechanism and a striking portion for transmitting a shock, wherein the impact tool includes a main body side connecting portion provided on the main body, The upper surface is attached to the tip of the striking portion, the flat plate having a flat bottom surface, the flat plate side connecting portion provided on the flat plate, the main body side connecting portion and the flat plate side connecting portion, and the striking portion. Within the stroke range, a spring which always applies a tensile force and a spring-up prevention portion having a function of suppressing the spring-up of the main body with respect to the flat plate such as a stopper capable of arbitrarily setting a contact position are configured by being attached. Flat plate compaction machine for manual work. 3. A general impact tool having a main body that can be carried by one person by hand and has an impact generating mechanism and a striking section for transmitting impact, wherein the impact tool includes a main body side connecting section provided on the main body, A flat plate compacting machine for manual work, in which a top surface side is attached to the tip of the striking portion, and a flat plate formed by a sloped surface whose bottom surface is opposed to the V shape is attached.