JPS6326224Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a steel sheet pile cleaning machine that can automatically remove mud firmly attached to steel sheet piles.

When the steel sheet piles are pulled out after the construction is completed,
Mud is firmly adhered to its surface and inside the joints, so it cannot be reused unless this is removed. Conventional steel sheet pile cleaning involves using a compressed air device to vibrate a tool called a chisel, which has a chisel attached to the end of a long iron rod, and then holding the chisel in your hand and moving the chisel along the outside surface of the steel sheet pile. The mud on the outside of the steel sheet piles was removed, and then the joints were hit with a hammer to remove the mud inside the joints. Therefore, the work of cleaning steel sheet piles is not only extremely hard work, time consuming and inefficient, but also involves the risk of contracting white wax disease since the work is carried out with a vibrating cleaning rod in hand.

Conventionally, while the scaffolding board was being transported by a chain, a group of steel wires of a rotating roll brush was raised by centrifugal force to knock off concrete debris from the scaffolding board (Japanese Patent Laid-Open No. 161876 While transporting steel sheet piles (refer to the official publication) and steel sheet piles on a conveyor, a spiral scraping plate or scraping arm scrapes the mud from the steel sheet piles, and a gear-shaped circular crushing blade crushes the mud in the slits (connecting ears). A device (see Japanese Patent Application Laid-Open No. 52-2071) has been proposed in which the mud is scraped off with a scraper.

However, with these conventional devices, some mud is left behind, and the scraped mud either falls directly to the ground or remains on the steel sheet pile after being scraped off. It is troublesome to dispose of mud that falls on the ground, and since steel sheet piles are long and heavy, they are kept lying down during transportation and storage, and are never erected, except when they are driven into the ground.
The mud remaining on the steel sheet piles will become attached again.

In this invention, the steel sheet piles are conveyed with the concave portion facing upward and downward from the front, and the mud peeled off from the bottom surface, side surface, or slit of the steel sheet piles falls directly onto the conveyor, and the mud peeled off from the inside of the steel sheet piles is transferred to the steel sheet piles. The mud that remains after falling onto the conveyor is carried out from the rear end of the steel sheet pile, and the remaining mud is washed by jet water and falls onto the conveyor along with the water. When the tip of the steel sheet pile passes the mud scraper, the mud scraper A steel sheet pile cleaning machine characterized in that the water jet device operates only while the steel sheet pile is passing through the water jet device,
Mud can be completely removed from steel sheet piles, and the mud and water can be collected in one place using a conveyor, making it easier to dispose of mud without polluting the environment. Furthermore, since the mud scraper and water jet device are operated only while the steel sheet piles are passing through them, the steel sheet piles can be cleaned efficiently without wasting power or water.

Embodiments of the present invention will be described below with reference to the drawings.
In the steel sheet pile P shown in Fig. 5, a is the inner bottom surface of the recess, b is the lower surface of the recess, c is the inner surface of the recess, d is the outer surface of the recess, e is the upper surface of the joint, f is the lower surface of the joint, and g is the side surface of the joint. , h is the slit, and i is the inside of the joint. 1 is a machine frame that is longer than twice the total length of the steel sheet pile and extends from side to side; 2 and 2a are wheel shafts to which two wheels are fixed with a wheel width narrower than the width of the inner bottom surface a of the recess of the steel sheet pile; 2, 2a are arranged in large numbers at appropriate intervals in the longitudinal direction (horizontal direction) of the machine frame 1, and a common tangent line (not shown) touching the wheels of these wheel axles 2, 2a is arranged downward to the left in FIG. It is sloping,
The steel sheet piles are designed so that they can be easily moved from right to left on the wheels. The wheel set 2a disposed in the center of the machine frame 1 is decelerated by a motor in the counterclockwise direction via a chain transmission mechanism, and the other wheel sets 2 are allowed to freely move. . Hereinafter, 2 will be referred to as an idle wheel axle, and 2a will be referred to as a driving wheel axle. 3
is a press wheel axle having the same shape as the drive wheel axle 2a and always pressed against the drive wheel axle 2a from above, and a suitable number of the press wheel axles 3, 3, . It is designed to be driven in the direction of the hour hand at the same speed as the drive wheel shaft 2a. The bearing 4 of the press wheel shaft 3 is supported by a frame member upright on the machine frame 1 so as to be able to slide vertically, and is always supported by a compression coil spring 5 interposed between the upper surface of the bearing 4 and the frame member. The sheet piles are urged downward, and the steel sheet piles are strongly sandwiched between the driving wheel axle 2a and the pressing wheel axle 3, so that they can be easily transferred to the left without slipping. Reference numeral 6 denotes a mud scraper having a large number of radially protruding claw rods 7, and small discs 9 are loosely fitted onto the shaft 8 to which the mud scraper 6 is fixed on both sides of the mud scraper 6. The shaft 8, like the press wheel shaft 3, is supported by a frame member upright on the machine frame so as to be able to slide up and down, and is supported by a bearing that is biased downward by a compression coil spring. It is rotated by a motor in the direction of the hour hand at a relatively high speed via a belt transmission mechanism. Since the small disk 9 is placed on the upper surface of the joint of the steel sheet pile passing through, the height of the mud scraper 6 is regulated based on the upper surface e of the joint where relatively little mud adheres. Therefore, the height relationship between the inner bottom surface a of the steel sheet pile recess and the tip of the pawl rod 7 is not affected by the thickness of mud adhering to the lower surface b of the steel sheet pile recess. In general, the diameter of the small disk 9 and the length of the pawl rod 7 should be designed so that a thickness of about 5 to 10 mm remains even after the mud on the inner bottom surface a of the recess is smeared by the pawl rod 7. is preferred. To the right of the leftmost drive wheel shaft 2a, from the right, a recess lower surface rough sliding tool 10 that roughly rubs the recess lower surface b of the steel sheet pile, a recess inner bottom surface rough sliding tool 11 that roughly slides the recess inner bottom surface a, A recess bottom surface finishing and rubbing tool 12 for finishing and rubbing the recess bottom surface b, a recess inner bottom surface finishing and rubbing tool 13 for finishing and rubbing the recess inner bottom surface a,
A rotating brush 14 that rubs the inner bottom surface a of the recess, a rough rubbing tool 15 for the inner surface of the recess that roughly rubs the inner bottom surface c of the recess,
A recess outer surface rough rubbing tool 16 that roughly rubs the recess outer surface d, a recess inner surface finisher 17 that performs finishing rubbing on the recess inner surface c, and a recess outer surface finisher that performs finishing rubbing on the recess outer surface d. A rubbing tool 18, a joint upper surface sliding tool 19 that rubs the upper surface e of the joint, a joint lower surface sliding tool 20 that rubs the lower surface f of the joint, a joint side surface sliding tool 21 that rubs the side surface g of the joint, a joint A slit dredging tool 22 for dredging the slit h in the section, and a water jet device 23 for jetting high-pressure water are provided in this order. As shown in FIG. 8, the concave lower surface roughening tool 10 has a brush body with bristles 10a made of spring steel wire, and when the steel sheet pile passes, the bristles 10a elastically curve in the transport direction of the steel sheet pile. It is attached to the arm member of the machine frame so as to rub against the lower surface b of the recess. Recess inner bottom surface rough rubbing tool 1
1 is a spring steel wire with brush bristles 1 as shown in Fig. 8.
The brush body 1a is attached to the arm member of the machine frame so that when the steel sheet pile passes, the brush bristles 11a elastically curve in the transport direction of the steel sheet pile and rub against the inner bottom surface a of the recess. . As shown in FIG. 9, the concave lower surface finishing and rubbing tool 12 has a spatula member 12b attached to a spring steel plate piece 12a, and the spring steel plate piece 12a elastically curves in the direction of transport of the steel sheet pile to form the spatula member 12b.
is attached to the arm member of the machine frame so as to rub against the lower surface b of the recess. The recess inner bottom surface finishing rubbing tool 13 is the ninth
As shown in the figure, a spatula member 1 is attached to a spring steel plate piece 13a.
3b is attached to the arm member of the machine frame so that the spring steel plate piece 13a elastically curves in the direction of transport of the steel sheet pile and the spatula member 13b slides against the inner bottom surface a of the recess. The rotating brush 14 is shown in FIGS. 10 to 12.
As shown in the figure, a concave groove 1 having a trapezoidal cross-section in the longitudinal direction is formed on the circumferential surface of a drum 14b fixed to a rotating shaft 14a.
4c is provided, and a large number of piano wires 14e each having a diameter of 3 mm are planted on a rod 14d having a trapezoidal cross section corresponding to the groove 14c, which is attached to the drum 14b.
Although not shown, it is rotated at high speed by a transmission mechanism similar to that of the mud scraper 6 described above. Recess inner surface rough rubbing tool 1
As shown in FIG. 13, the rough-sliding tool 5 and the recess outer surface rough-sliding tool 16 have the same structure as the rough-sliding tools 10 and 11 described above.
When the steel sheet pile passes, the brush bristles 15a, 16a
is elastically curved in the direction of transport of the steel sheet pile to form the inner surface c of the recess.
and the outer surface d of the recess, respectively, are attached to the arm members of the machine frame. Concave inner surface finish rubbing tool 17
As shown in FIG. 14, the concave outer surface finish-sliding tool 18 has the same structure as the above-mentioned finish-sliding tools 12 and 13, and the spring steel plate pieces 17a and 18a are elastically curved in the direction of transport of the steel sheet piles to form a spatula member. 17b and 18b are attached to the arm members of the machine frame so as to rub against the inner surface c of the recess and the outer surface d of the recess, respectively. The joint upper surface sliding tool 19 and the joint lower surface sliding tool 20 are shown in FIG. 15, and the joint side surface sliding tool 21 is shown in FIG. 16.
Both of them have the same configuration as the finishing rubbing tools 12 and 13 described above, and the spring steel plate pieces 19a, 20a, 21a are elastically curved in the direction of transport of the steel sheet piles, and the spatula members 19b, 20 are
b, 21b are attached to the arm members of the machine frame so as to rub against the upper surface e, lower surface f, and side surface g of the joint, respectively. As shown in FIG. 16, the slit dredging tool 22 is
One spring steel wire 22a or a plurality of spring steel wires lined up in the steel sheet pile transport direction is fixed at the lower end to an arm member of the machine frame, so that when the steel sheet pile passes, the spring steel wire 22a moves in the steel sheet pile transport direction. It is elastically curved to enter the slit h and dredge the slit h. As shown in FIG. 17, the water spray device 23 has a downward nozzle 23a that sprays water on the top surface of the steel sheet pile, a horizontal nozzle 23b that sprays water on the side surface, an upward nozzle 23c that sprays water on the bottom surface, and a slit that sprays water on the slit h. It is equipped with a nozzle 23d.

In FIG. 1, reference numeral 24 indicates a mud scraping limit switch that commands to start and stop the motor that rotates the mud scraper 6, and 25 and 26 indicate injection operation limit switches that command the start of operation of the water jet device 23 and commands to stop the injection. The injection stop limit switch 27 is a conveyor that carries out the removed mud.

The operation of the steel sheet pile cleaning machine configured as above will be described. Generally, the upper end of a steel sheet pile is exposed above the ground when it is driven into the ground, so there is almost no mud attached to the upper end when it is recovered.
In addition, a relatively large amount of mud adheres to the inside of the recess and the joint. First, lift the steel sheet pile to be cleaned onto the cleaning machine of the present invention using a crane or the like, and with the upper end facing the transfer direction (to the left in Figure 1) and the recess facing upward, place the sheet pile on the idler shaft on the right half of the machine frame. Drop it onto the circle of the group. Since the steel sheet pile is inclined slightly downward on the wheel, the steel sheet pile can be pushed to the left with a relatively small amount of human power. The steel sheet pile is moved to the left, and when the tip with almost no mud attached reaches the driving wheel shaft, the pressing wheel shaft 3 also acts on the driving wheel shaft, and the sheet pile is automatically transferred to the left. Since there is no need for the mud scraper 6 to act on the tip of the steel sheet pile, after the tip passes the mud scraper 6, it comes into contact with the mud scraper limit switch 24, and the mud scraper 6 is rotated to remove the mud in the recess. While the steel sheet pile is being scraped, the lower surface, inner bottom surface, inner surface, and outer surface of the recess are first roughly cleaned with each of the roughing tools 10, 11, 15, and 16, and then each of the finishing tools 12, 13 is used. , 17, and 18, the inner bottom surface of the recess is also finished with a rotating brush 14, the top, bottom, and side surfaces of the joint are cleaned with rubbing tools 19, 20, and 21, and the slit is dredged with a slit dredging tool 22. The tip of the steel sheet pile comes into contact with the limit switch 25 for injection operation, and the entire surface is washed with high-pressure water from the water jet device 23, which is activated. In particular, the high-pressure water jetted into the slit removes the mud inside the joint. is discharged. When the rear end of the steel sheet pile passes the mud scraping limit switch 24, the mud scraping tool stops.
The jet water stops when it passes the injection stop limit switch 26, and the steel sheet pile stops when it passes the leftmost driving wheel shaft 2a.

In addition, in the above embodiment, mud removal, rough rubbing, finish rubbing, and slit dredging are performed in order, and water is sprayed over the entire surface, but depending on the condition of the mud attached to the steel sheet piles, In other words, the inner bottom surface of the recess, the lower surface,
Do not use rough rubbing tools for the inner and outer surfaces, do not install mud scraping tools, disable all or part of the nozzles other than the slit nozzle, or do not use rough or finishing tools. A large number of these are provided overlappingly so that the same surface is rubbed repeatedly over and over again.

The steel sheet pile cleaning machine of the present invention is as explained above, and if the steel sheet piles are lowered onto the idle wheel shaft using a crane or the like,
Because it is sloped, the steel sheet piles can be moved toward the driving wheel shaft with light force, and mud can be completely removed from the steel sheet piles without wasting power or water, making it easy to dispose of the mud.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and Fig. 1 is a front explanatory view of the entire steel sheet pile cleaning machine, Fig. 2 is a front explanatory view showing the driving wheel shaft, pressing wheel shaft, and the drive system of the mud shovel, and Fig. 3 Fig. 4 is a front view of the driving wheel axle and pressing wheel axle, Fig. 5 is an end view of the steel sheet pile showing the relationship between the steel sheet piles and each sliding tool, and Fig. 6 is the front view of the mud shoveling tool. Fig. 7 is a side view of the same as above, Fig. 8 is a side view of a tool for roughing the inner bottom surface of the recess and a tool for roughing the lower surface of the recess, and Fig. 9 is a side view of the tool for finishing the inner bottom surface of the recess and a finishing tool for the lower surface of the recess. A side view of the tool, FIG. 10 is a perspective view of the rotating brush, FIG. 11 is a partial perspective view of the rotating brush, and FIG. 12 is a perspective view of the rotating brush.
Figure 13 is a side view of the rotating brush, Figure 13 is a side view of the inner surface roughening tool of the recess and the outer surface roughening tool of the recess, and Figure 14 is a side view of the rotating brush.
The figure is a side view of the recess inner surface finishing sliding tool and the recess outer surface finishing sliding tool, FIG. 15 is a side view of the joint top sliding tool and the joint bottom sliding tool, and FIG. 16 is the joint side sliding tool. A side view of the slit dredge, and FIG. 17 is a side view illustrating the water jet device. 1... Machine frame, 2... Idle wheel axle, 2a... Driving wheel axle, 3... Pressing wheel axle, 10
. . . Recess bottom surface roughening tool, 11 . . . Recess inner bottom surface rough sliding tool, 12 . . . . . . . .
... Rough rubbing tool for the inner surface of the recess, 16 ... Rough rubbing tool for the outer surface of the recess, 17 ... Finishing tool for rubbing the inner surface of the recess, 18...
. . . Concave outer surface finish rubbing tool, 19 . . . Joint top surface sliding tool, 20 . . . Joint bottom surface sliding tool, 21 . . . Joint side surface sliding tool, 22 . . . Slit dredging tool, 23 . . . Water jet device.

Claims (1)

[Scope of utility model registration request] In the central part, which roughly divides the total length of the machine frame into thirds, which extends from side to side for longer than twice the total length of the steel sheet pile, there are a large number of drive wheel axles 2a and each drive wheel axle 2a at appropriate intervals in the longitudinal direction of the machine frame. Pressure wheel shafts 3 are arranged so that they can be pressed down from above, and a large number of idler wheel shafts 2 are arranged on both left and right sides at appropriate intervals in the longitudinal direction of the machine frame. The common tangent line that touches each wheel of the wheel axle 2 and the drive wheel axle 2a is inclined downward toward the end of the machine frame, and the recess of the steel sheet pile with the recess facing upward is pressed between the drive wheel axle 2a and the pressing wheel axle 3. The steel sheet piles are transferred in the longitudinal direction by being moved, and a large number of pawl rods 7 are radially protruded from the central portion, which divides the entire length of the machine frame into approximately thirds, and are rotated by a motor. A mud scraper 6 is used to scrape mud from the inner bottom surface of the concave portion of the steel sheet pile, and a mud scraper 6 is used to remove mud from the inner bottom surface of the recess of the steel sheet pile, and a mud scraper 6 is used to remove mud from the inner bottom surface, lower surface, inner surface, outer surface of the steel sheet pile, and the upper surface, lower surface, and side surface of the joint. Each sliding tool is elastically curved to rub each surface, and the spring steel wire slit dredging tool is elastically curved in the transfer direction to enter the slit in the joint and the tip enters the slit to dredge the slit. 22, the top surface of the steel sheet pile,
A water injection device 23 equipped with each nozzle that sprays water on the side surface, the bottom surface, and the slit, respectively, is provided in order,
A limit switch 24 for mud scraping is provided at a position where the tip of the steel sheet pile has passed the mud scraper 6, and can start the motor of the mud scraper 6 when the steel sheet pile hits and stop it when the steel sheet pile leaves. A limit switch 25 for jetting operation that activates the water jetting device 23 when the tip of the sheet pile hits is provided in front of the water jetting device 23, and a limit switch 26 for stopping jetting that stops the water jetting device when the rear end of the steel sheet pile passes.
is provided after the water injection device 23, and the drive wheel shaft 2a
A steel sheet pile cleaning machine characterized in that a conveyor 27 for carrying out mud is provided below the idler wheel shaft 2.