WO1991011574A1 - Dispositif de nivelage de surfaces en beton - Google Patents
Dispositif de nivelage de surfaces en beton Download PDFInfo
- Publication number
- WO1991011574A1 WO1991011574A1 PCT/JP1990/000832 JP9000832W WO9111574A1 WO 1991011574 A1 WO1991011574 A1 WO 1991011574A1 JP 9000832 W JP9000832 W JP 9000832W WO 9111574 A1 WO9111574 A1 WO 9111574A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- concrete
- leveling
- rail
- screw
- concrete leveling
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
- E01C19/40—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers
- E01C19/405—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers with spreading-out, levelling or smoothing means other than the tamping or vibrating means for compacting or smoothing, e.g. with screws for spreading-out the previously dumped material, with non-vibratory lengthwise reciprocated smoothing beam
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/004—Devices for guiding or controlling the machines along a predetermined path
- E01C19/006—Devices for guiding or controlling the machines along a predetermined path by laser or ultrasound
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/10—Devices for levelling, e.g. templates or boards
Definitions
- the present invention relates to a concrete leveling device for leveling a concrete casting surface when constructing a concrete floor or the like.
- the leveling portion of the concrete is placed on the left and right rails. It is supported on a traveling body that is mounted on a traveling beam that travels in a horizontal direction, and the leveling part is composed of a screw, and the leveling work is performed in the air without leaving any trace on the concrete casting surface. It can be done dynamically.
- Another object of the present invention is to form the above-mentioned screw with a main screw and an auxiliary screw so that surplus concrete can be satisfactorily discharged to the next leveling area.
- a diaphragm or a diaphragm and a bag are attached to the screen so that the leveling marks of the screen can be finely vibrated and finely finished.
- the height of the leveling part is automatically adjusted so that the leveling operation can be performed properly on a horizontal or slope.
- the traveling beam rail has a self-extruding structure, eliminating the need for rail laying.
- FIG. 1 is a front view showing an embodiment of the present invention
- Fig. 2 is a side view of a traveling beam
- Fig. 3 is an enlarged front view of a pillar portion in Fig. 2
- Fig. 4 is a concrete uniformity.
- 5 is a cross-sectional view taken along line AA of FIG. 1
- FIG. 6 is a configuration diagram of the control system
- FIG. 7 is an enlarged side view of the leveling portion in FIG. 1
- FIG. Is a side view showing another embodiment of the iron plate in FIG. 7
- FIG. 9 is a front view of a main part showing another embodiment
- FIG. 10 and FIG. 11 show a procedure of leveling work.
- FIG. 13 is the side view
- Fig. 14 is a block diagram of the control system
- Figs. Fig. 16 is a front view showing another embodiment of the present invention
- Fig. 17 is an enlarged sectional view of a leg portion in Fig. 16, and Figs. 18 (A) to 18 (H) are FIG.
- the concrete leveling device 1 is composed of a traveling beam 2 and a concrete leveling portion 3 as shown in FIG. 1, and the traveling direction 2 is provided with driving portions 4 and 4 for self-propelling. .
- the traveling beam 2 has traveling legs 6, 6 provided corresponding to the rails 5, 5 laid on both sides of the concrete placing surface C. It consists of a beam part 7 extending over the upper part between the running legs 6 and 6.
- the running leg 6 extends between the lower cross member 8 provided in parallel with the rail 5 and the upper cross member 9 which is formed slightly shorter than the lower cross member 8, by connecting the pillars 10 and 10 and the reinforcing member. It is fixed to 1 1 and 1 1 and is formed in a trapezoidal shape. Rollers 12 and 12 for moving the running beam 2 on the rail 5 are provided at both ends of the lower cross member 8 It is provided in.
- the beam 7 is composed of cross beams 13, 13 provided on the upper cross members 9, 9 of the traveling legs 6, 6 and both ends of the cross beams 13, 13 at right angles in the horizontal direction. Provided, fixed between cross beams 1 3 and 1 3 It is provided at right angles to the horizontal direction, and is formed in a rectangular shape with the lower chord members 14, 14 fixed between the cross beams 13, 13, and diagonally from both ends of the cross beams 13, 13, End pillars 15, 15, 15, 15, 15 formed in a triangular shape are provided upward.
- An upper chord member 16 is fixed between the ⁇ points of the triangles formed by the end columns 15, 15, 15, 15, 15 in parallel with the lower chord members 14, 14. Between the 16a, there are provided oblique columns 17, 17, 17, 17, 17 for fixing the lower chords 14, 14 and the upper chord 16.
- the driving parts 4 and 4 of the traveling beam 2 are provided on the upper portions of the lower cross members 8 and 8, respectively.
- the drive unit 4 has the pulleys fitted on the shaft of the rollers 12 of the lower cross member 8 by fitting the burries 21 on the shaft of the gear train 20 mounted on the upper part of the lower cross member 8. It is depicted by winding a belt 23 between it and 22.
- the concrete leveling section 3 is composed of traveling bodies 24, 24 running on the lower chords 14, 14 as guide rails, and traveling bodies 24 via lifting jacks 25, 25 serving as a vertical movement and level adjustment mechanism. Screw 26 supported by, 24 and A moving plate 27 is provided.
- the running body 24 is provided with frames 28, 28 so as to sandwich the lower chord members 14, 14 from both sides, and the connecting members 29 are provided at right angles to the frames 28, 28.
- Frames 28, 28 are a pair of upper roller 30 and lower roller 31 sandwiching lower chords 14, 14 from above and below.
- Elevating jacks 25, 25 are provided vertically at both ends of the connecting member 2 ′ 9, and a frame 33 is connected to the end of the lifting jacks 25, 25.
- a screw 26 is supported on the shaft.
- One set of lifting jacks 25, 25 combines a vertical adjustment mechanism and a level adjustment mechanism.Height adjustment is performed by operating the lifting jacks 25, 25 in synchronism. Lifting jack 25. This operation is performed by alternately operating 25.
- the screw 26 is formed by winding a screw blade 35 around the outer periphery of a screw shaft 34 in two sections.
- the screw 26 is covered by a cover 36 from the upper first half to the lower rear of the screw 26. I have.
- a motor 37 for driving the rotation of the screw 26 is mounted on the frame 33, and the motor 37 is connected to the frame 33 via a chain 38. The rotation is transmitted to screw 26.
- reference numeral 39 denotes a chain cover.
- a diaphragm 27 is supported on the rear side of the frame 33 via arms 40, 40 in a horizontal posture.
- the vibrating plate 27 has substantially the same length as the screw 26, and a vibrating mechanism 41 is mounted at the center of the vibrating plate 26.
- the lower surface of the diaphragm 27 is a flat leveling surface 42, and the leveling surface 42 is located at substantially the same height as the lower end of the screw blade 35 of the screw 26.
- a laser receiver 43 for receiving a laser beam ⁇ transmitted from a laser receiver (not shown) at a planned level.
- an inclination angle detector 44 is provided at the center of 3, at the center of 3, an inclination angle detector 44 is provided.
- FIG. 6 shows a control system for keeping the height and level of the concrete leveling section 3 during leveling work constant.
- the laser beam emitted from the laser oscillator at the planned height is received by the laser receiver 43 and the height of the concrete leveling section 3 is detected.
- the tilt angle detector 44 detects the level of the concrete leveling unit 3 and inputs the detected symbols to the control device 45. .
- the control device 45 compares the input values of the height and the inclination angle with the preset values, and based on the calculation result, issues a telescopic operation command to the lifting jacks 25, 25. give. Next, the operation of the above embodiment will be described.
- the screw 26 is driven and the screw 37 is activated to apply rotation to the screw 26 and, at the same time, the vibrating mechanism 41 is actuated to move the concrete leveling section 3 along the traveling beam.
- the concrete surface is flattened in a horizontal plane by the screw 26 and the vibrating plate 27 by running on the upper surface 2.
- the geared motors 20 and 20 are started, the traveling beam 2 travels a predetermined distance in the direction indicated by the white arrow, and stops.
- the leveling operation is performed in the same manner as above while running the leveling section 3. At this time, the excess concrete is discharged to the left in FIG. 4 or the left (leveling) in FIG. 5 by the action of the screw blade 35.
- the concrete surface is flattened by the screen 26 by the fine vibration in the vertical direction of the diaphragm 27, and the leveling trace by the screw 26 is eliminated, and the surface is completely smoothed. If you want to discharge excess concrete to the right in Fig. 5 due to the construction plan, you can turn the screw to the left in Fig. 4.
- the height and level of the concrete leveling section 3 are always detected by the laser receiver 43 and the tilt angle detector 44, and the converted signal is input to the control device 45, and the The control device 45 compares the value with a preset value, and when a difference between them exceeds a permissible range, the controller 45 immediately gives an operation command to the lifting jacks 25, 25.
- the up-and-down movement mechanism may be based on mechanical means such as a link mechanism instead of the lifting jack.
- a pulley and a belt are used for the drive unit of the traveling beam
- a sprocket and a chain may be used, and rollers and guide rails are used for driving the concrete leveling unit.
- a rack may be formed on the lower chord material, and a combination of the rack and the binion may be used.
- the present invention is not limited to these.
- the concrete leveling portion is provided.
- the traveling wheels do not travel directly on top, and therefore do not disturb the leveling surface of the concrete or damage the reinforcing bars on the concrete casting surface.
- the leveling of the concrete leveling part can be kept uniform by the rails laid on both sides of the concrete casting surface.
- the height and level of the leveling part are detected. If a mechanism is provided to automatically take out and detect this, an accurate leveling surface can be obtained.
- Figures 7 and 8 show that the concrete casting surface can be leveled and the aggregate can be settled to obtain a flat surface without disturbing the concrete surface level and surface. This is an example.
- a trowel 46 is attached to the rear side of the diaphragm 27 in the traveling direction.
- This ⁇ ⁇ 46 is made of an elastic plate material such as hard rubber, and its base 46 a is attached to the rear side surface of the diaphragm 27 with screws 47 or the like as shown in FIG. 6
- the lower surface on the b side is the tip 4 6b lower surface from the concrete leveling surface C even if the diaphragm 27 vibrates up and down so that the lower surface on the b side is elastically in contact with the set level of the concrete leveling surface C.
- the height is set so that it does not separate.
- the elasticity providing means of the plate 46 depends not only on the elasticity of the constituent material itself as described above, but also as shown in FIG.
- the base of this ⁇ ⁇ 46 is attached to the rear of the diaphragm 27 so as to be able to swing up and down by means of a hinge 48, and is urged downward by a panel 49 to push the tip 4 of the iron plate 46. 6
- the lower surface on the b side may always be in contact with the concrete leveling surface C.
- An eccentric motor or the like is used as the vibrating mechanism 41 (the concrete surface after being equalized by the screw is equalized by the fine vibration of the diaphragm 27 in the vertical direction).
- the surface c is hit, and the aggregate that has emerged on the surface sinks.
- the iron plate 46 is constantly pressed against the concrete leveling surface C due to its elasticity and rubs, so that the surface of the concrete disturbed by the striking of the diaphragm 27 is finished smoothly and neatly. . Therefore, the leveling marks of the screw are leveled by the vertical vibration of the diaphragm, and the aggregate is submerged at the same time, and then the iron is leveled by the iron ⁇ . Sinking and leveling of the surface, smoothing the surface disturbed by the diaphragm and eliminating the need for a special finisher.
- Fig. 9 to Fig. 11 show that in the conventional leveling and concealment, while running the leveling operation, the work is performed in parallel to the next leveling target area on one side by human power or other means. Work is performed to provide a certain height (a height that is higher than the average height), but since the leveling of this work has conventionally been performed according to the worker's intuition, it is necessary to move to the next leveling target area. In many cases, the amount of concrete to be poured is excessive or inadequate, and this often hinders leveling work to achieve a uniform level.
- a main screw 52 for leveling concrete is axially mounted between left and right support legs 50, 51 of a frame 33 supported by the traveling body 24.
- An auxiliary screw 53 is journaled outside the support leg 51.
- 37 is a main screw drive motor, and 37 'is an auxiliary screw drive motor.
- the main screw 52 and the auxiliary screw 53 are the same, the diameter of the auxiliary screw 53 is smaller than the diameter of the main screw 52-, and the main screw 52 and the auxiliary screw 53 are the same.
- a difference ⁇ (5 to 30 ⁇ ) is given to the average height with the auxiliary screw 53.
- the diameter of the auxiliary screw 53 is made equal to or different from that of the main screw 52, and the position of the shaft attached to the support leg 51 is made different from the axis of the main screw 52, so that the leveling is performed.
- a difference in height may be provided.
- the traveling body 24 when reaching the end in the direction of the arrow ⁇ ⁇ , the traveling body 24 is lifted from the concrete leveling surface, and is returned to the start position as shown by the arrow A ′ in FIG. If it is moved to the next leveling target area P 'side (left side in FIG. 11) by the axial length of the screw 52, and the traveling body 24 is moved in the direction of arrow B as described above, The concrete supplied to this area P 'is leveled together with the leveling plane P' already leveled by the persimmon screw 53 as described above, and the excess concrete is replaced with the auxiliary screen. It is leveled within the target area for next leveling by Ref 53.
- auxiliary screw 53 be provided so as to protrude outside the support leg 51 because the excess concrete does not accumulate inside the support leg 51.
- Auxiliary screw 53 should be located inside support leg 51 for use when the amount of REIT is relatively small You can also.
- the auxiliary screw 53 can be removed, it can be used by replacing it with another diameter auxiliary screw, and the leveling of the main screw 52 to the wall can be done. can do.
- the auxiliary screw 53 can be provided so as to be shifted forward or backward with respect to the axis of the main screw 52.
- the work of supplying concrete to the next leveling countermeasure area can be performed using the level of the leveling surface by the auxiliary screw as a guide.
- the amount of the supplied parts can be adjusted without any excess and shortage, and the leveling work can be performed quickly and well. Also, since excess concrete does not accumulate at the end of the main screw, the excess concrete does not collapse on the surface leveled by the main screw and disturbs the leveling.
- FIGS. 12 to 15 show an embodiment in which the level of the apparatus can be automatically controlled even when the work is performed on a slope, and a laser is provided at an end of the frame 33.
- a laser receiver 43 is provided for receiving a laser beam oscillated at a predetermined height from an oscillator (not shown), and a tilt angle detector 44 is provided at the center of the frame 33. ing. -The laser receiver 43 is raised and lowered by a vertical movement mechanism 54 as shown in FIGS. 12 and 13. The vertical movement mechanism 54 is attached to the upper end of a column 55 standing on the frame 33 and hangs below the laser receiver 43. A rack bar 56 is inserted and supported vertically, and a binion 58 rotated by a motor 57 is combined with the rack bar 56. The laser receiver 4 is driven by the motor 57. 3 is to be moved up and down. The motor 57 is provided with an encoder 59 as a detector for detecting the vertical amount.
- FIG. 14 shows a control system for keeping the height and level of the concrete leveling section 3 during leveling work constant.
- the laser light emitted from the laser oscillator 60 at the planned height is received by the laser receiver 43 to detect the height of the concrete leveling section 3, while the level control is performed.
- the level of the concrete leveling unit 3 is detected by the oblique angle detector 4 4, and each detection signal is input to the leveling unit controller 61.
- the travel distance is detected by the travel distance detector (encoder 59) and input to the receiver control unit 62, which is compared with the set slope value to calculate the vertical displacement of the laser receiver 43.
- the laser receiver 43 is moved up and down by operating the receiver vertical movement mechanism 54. '
- the control device 61 compares the input values of the height and the inclination angle with the preset values, and based on the result of the calculation, sends a command to the lifting / lowering jacks 25, 25 to perform the expansion and contraction operation. give.
- the drive motor 37 of the screw 26 is activated to apply rotation to the screw 26, and at the same time, the concrete is activated while the vibration mechanism 41 is activated.
- the concrete surface is flattened in a horizontal plane by the screw 26 and the diaphragm 27 by running the flattening part 3 on the running beam 2.
- the subsequent concrete surface is leveled by flat micro-vibration of diaphragm 27 to leveling surface C, so that the leveling trace by screw 26 is eliminated and leveled to a completely smooth surface.
- the travel amount (moving distance) of the concrete leveling unit 3 is detected by the encoder 59 serving as a travel amount detector, and at the same time, the concrete is controlled by the receiver control device 62.
- Laser receiving based on the fixed line amount of the leveling section 3 and the preset slope value The vertical movement S of the optical device 43 is calculated, and the laser receiver 43 moves up and down according to the calculated value.
- the laser receiver 43 moves up and down, the point at which the laser light oscillated at a predetermined height is received by the laser receiver 43 shifts (Fig. 15).
- the position equalizing unit controller 61 compares the value detected by the laser receiver 43 with a preset value, and based on the result, the vertical adjustment mechanism
- the lifting jacks 25, 25 are operated, and the concrete leveling section 3 is positioned so that the laser receiver 43 is always at a constant height (FIG. 15 (D)).
- Appearance of concrete leveling section 3 The power of the concrete leveling section 3 detected by the tilt angle detector 4 4 and the preset value Are calculated, and based on the result, the lifting jacks 25, 25 are operated as a level adjusting mechanism and adjusted.
- leveling work can be performed according to the gradient value, and highly accurate leveling of the concrete on the inclined surface can be automatically performed.
- FIGS. 16 to 18 show an embodiment in which rails for moving the concrete leveling device are sequentially extracted and used.
- the rails 5, 5 for running the traveling beam 2 are previously laid on both sides of the concrete casting C and over the entire length thereof. Five parts and their surroundings produce a leveling force ⁇ Inevitable. Therefore, the leveling of the rails had to depend on manual work by work ⁇ ⁇ later.
- the traveling beam 10 has the same configuration as that of the above-described embodiment, and two legs 70, 70 are suspended from both ends of the beam 7 at both ends, and a seat plate 7 at the lower end thereof is provided. With 0a and 70a, it is possible to stably ground the concrete on the concrete C.
- upper rollers 71, 71 are axially mounted on both side ends of the traveling beam 10 as rail feeding means, and the lower legs 70, 70 are attached to the lower rollers.
- the lower rollers 72, 72 are pivotally supported.
- the lower rollers 72, 72 have lengths that are long and vertically opened on the left and right side walls 73, 73 of the leg 70. L
- the shaft 72 a of the lower roller 72 is inserted through 74, 74 so as to be movable up and down, and a block at the end of the shaft 72 a
- Springs 7 7 and 7 7 having a tension action are hung between the fixed blocks 76 and 76 above the legs 75 and 75 and the legs 70, and constantly urge the lower roller 72 upward.
- the rail 78 is sandwiched between the upper and lower rollers 71 and 72.
- This rail 7 8 has one upper pipe and two lower pipes 7 9,
- the pipes 80, 80 are assembled in an isosceles triangle shape as viewed from the end face and fixed by support-holding plates 8 1 8 1 ′ .
- the upper pipe 79 is a groove in the circumferential direction of the upper roller 71 and the lower
- the pipes 80, 80 are arranged to fit between the flanges 72b, 72b of the lower roller 72.
- jacks 82, 82 are attached vertically as legs, and at the lower ends of the rams 83, 83 of the jacks 82, 82 are seat plates 83a, 83a. It is provided and is stably grounded. In the jacks 82, 82, the rams 83, 83 are expanded and contracted by pond pressure or electric power.
- the upper roller 71 has a chain as a transmission mechanism between a sprocket 84 fixed to an end of the shaft 71 a and a drive sprocket 86 of a motor 85 mounted on the traveling beam 10.
- the motor 87 is rotated so that rotation is given by driving the motor 85.
- This transmission mechanism is a chain Gears other than 87 may be used.
- the upper and lower rollers 7 1 and 7 2 as the feeding means are not the rollers as shown but are binions, and a rack is formed on the rail 78 side so that the rail 78 can be held and fed.
- the delivery means may be a cylinder, a chain, or the like.
- the concrete leveling section 3 includes a screw 26 shown in FIG. 9 and also lowers the diaphragm 27.
- FIG. 16 the same components as those in FIG. 5 are denoted by the same reference numerals, and description thereof will be omitted.
- the jacks 82, 82 of the rail 78 are shortened, and the legs 70, 70 of the traveling beam 10 are grounded.
- lift jacks 25, 25 as a vertical adjustment mechanism and a level adjustment mechanism are made so that the concrete leveling section 3 has the correct height and posture at the leveling start point. Move and adjust.
- the concrete leveling section 3 is driven to travel from one end to the other end of the traveling beam 10 to level the concrete placing surface C (see FIG. 18 (A)).
- the action of the concrete leveling unit 3 is as follows.
- the concrete surface is flattened in a horizontal plane by the screws 52, 53 and the vibrating plate 27 by moving the concrete leveling section 3 on the traveling beam 10 while doing so.
- excess concrete is discharged to the left (leveling direction) in Fig. 16 by the action of the screw blades.
- the concrete surface is flattened by the fine vibration of the diaphragm 34 in the vertical direction. .
- the legs 70, 70 of the traveling beam 10 may be used as jacks, and the jacks 82, 82 of the rails 78 may be replaced with legs that do not expand and contract.
- the rail removal work conventionally required is no longer necessary, and the labor-saving effect of the mechanized construction can be maximized, and the rail laying work on the day before the construction is not required.
- work efficiency can be improved.
- the length of the concrete casting surface is 100 m, only two 50-meter rails, which used to require about 50 m in the past, need be used. Transportation costs are greatly reduced.
- the concrete leveling device can be used to level the floor of a Takasu building, the rooftop, the floor of an athletic facility, the outdoor ground, and other concrete wide casting areas. It can be used for
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- Civil Engineering (AREA)
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69022227T DE69022227T2 (de) | 1990-01-26 | 1990-06-27 | Vorrichtung zur nivellierung einer betonoberfläche. |
KR1019910701182A KR0171420B1 (ko) | 1990-01-26 | 1990-06-27 | 콘크리트 고르게 하는 장치 |
EP90909844A EP0465654B1 (en) | 1990-01-26 | 1990-06-27 | Device for leveling concreted surface |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990006879U JP2504787Y2 (ja) | 1990-01-26 | 1990-01-26 | コンクリ―ト均し機 |
JP2/6880U | 1990-01-26 | ||
JP2/6879U | 1990-01-26 | ||
JP688090U JPH0752891Y2 (ja) | 1990-01-26 | 1990-01-26 | コンクリート均し装置 |
JP14895090A JP2831440B2 (ja) | 1990-06-07 | 1990-06-07 | コンクリート均し機のレール自走装置 |
JP2/148950 | 1990-06-07 | ||
JP2/64753U | 1990-06-19 | ||
JP6475390U JP2517259Y2 (ja) | 1990-06-19 | 1990-06-19 | コンクリート均し装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991011574A1 true WO1991011574A1 (fr) | 1991-08-08 |
Family
ID=27454591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1990/000832 WO1991011574A1 (fr) | 1990-01-26 | 1990-06-27 | Dispositif de nivelage de surfaces en beton |
Country Status (6)
Country | Link |
---|---|
US (1) | US5190396A (ja) |
EP (1) | EP0465654B1 (ja) |
KR (1) | KR0171420B1 (ja) |
CA (1) | CA2049349A1 (ja) |
DE (1) | DE69022227T2 (ja) |
WO (1) | WO1991011574A1 (ja) |
Families Citing this family (15)
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US5288166A (en) * | 1992-06-26 | 1994-02-22 | Allen Engineering Corporation | Laser operated automatic grade control system for concrete finishing |
DE19541000C2 (de) * | 1995-11-03 | 1999-06-10 | Babcock Bsh Gmbh | Vorrichtung zum Glätten von durchlaufenden Gipsfaserplatten |
DE19909967C1 (de) * | 1999-03-06 | 2000-06-08 | Babcock Bsh Gmbh | Vorrichtung zum Glätten von Oberflächen von durchlaufenden abgebundenen Gips- oder Gipsfaserplatten, sowie Handgerät zum Glätten von Oberflächen |
KR200205907Y1 (ko) * | 2000-07-03 | 2000-12-01 | 김광식 | 바닥면 수평 설정장치 |
US20050260035A1 (en) * | 2004-05-21 | 2005-11-24 | Dabramo Tony F | Concrete finishing apparatus and method for finishing freshly poured or partially cured concrete |
US7559719B2 (en) * | 2007-05-09 | 2009-07-14 | Nasby Victor B | Screed attachment for skid steer vehicle |
KR100816001B1 (ko) * | 2007-12-10 | 2008-03-24 | 손강국 | 콘크리트 바닥 시공용 평탄 작업장치 |
KR100836856B1 (ko) * | 2008-02-26 | 2008-06-11 | (주)삼우아이엠씨 | 마무리 작업모듈을 이용한 콘크리트 경사면의 보수공법 |
CA2746681A1 (en) | 2011-07-11 | 2013-01-11 | Andrzej R. Biernacki | Screed system and method |
US9903076B2 (en) * | 2016-04-14 | 2018-02-27 | Dan Mohr | Paver extension bracket device |
US10100537B1 (en) | 2017-06-20 | 2018-10-16 | Allen Engineering Corporation | Ventilated high capacity hydraulic riding trowel |
CN109610843B (zh) * | 2018-12-29 | 2020-10-13 | 重庆华硕建设有限公司 | 用于楼板浇注混凝土的整平装置 |
US11702803B2 (en) * | 2020-01-24 | 2023-07-18 | Gomaco Corporation | High-production truss-mounted screed assembly |
CN113250458B (zh) * | 2021-06-29 | 2022-07-01 | 张会娟 | 一种基于智能计算机的施工模板用找平仪 |
CN113774769B (zh) * | 2021-10-15 | 2022-08-30 | 河南宏盛工程监理有限公司 | 一种沥青路面混合料摊铺均匀性的检测系统 |
Citations (6)
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JPS4923420A (ja) * | 1972-06-26 | 1974-03-01 | ||
JPS5489822U (ja) * | 1977-12-06 | 1979-06-25 | ||
JPS6255375A (ja) * | 1985-09-04 | 1987-03-11 | 株式会社竹中工務店 | コンクリ−ト均し装置 |
JPS62101703A (ja) * | 1985-10-30 | 1987-05-12 | 新キャタピラー三菱株式会社 | 路盤レベル制御装置 |
JPS63233163A (ja) * | 1987-03-19 | 1988-09-28 | 株式会社竹中工務店 | コンクリ−ト均し機の制御方法 |
JPH01239267A (ja) * | 1988-03-22 | 1989-09-25 | Shimizu Corp | コンクリート均し装置 |
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1990
- 1990-06-27 US US07/768,576 patent/US5190396A/en not_active Expired - Fee Related
- 1990-06-27 CA CA002049349A patent/CA2049349A1/en not_active Abandoned
- 1990-06-27 DE DE69022227T patent/DE69022227T2/de not_active Expired - Fee Related
- 1990-06-27 EP EP90909844A patent/EP0465654B1/en not_active Expired - Lifetime
- 1990-06-27 WO PCT/JP1990/000832 patent/WO1991011574A1/ja active IP Right Grant
- 1990-06-27 KR KR1019910701182A patent/KR0171420B1/ko not_active IP Right Cessation
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JPS4923420A (ja) * | 1972-06-26 | 1974-03-01 | ||
JPS5489822U (ja) * | 1977-12-06 | 1979-06-25 | ||
JPS6255375A (ja) * | 1985-09-04 | 1987-03-11 | 株式会社竹中工務店 | コンクリ−ト均し装置 |
JPS62101703A (ja) * | 1985-10-30 | 1987-05-12 | 新キャタピラー三菱株式会社 | 路盤レベル制御装置 |
JPS63233163A (ja) * | 1987-03-19 | 1988-09-28 | 株式会社竹中工務店 | コンクリ−ト均し機の制御方法 |
JPH01239267A (ja) * | 1988-03-22 | 1989-09-25 | Shimizu Corp | コンクリート均し装置 |
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Title |
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See also references of EP0465654A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP0465654A1 (en) | 1992-01-15 |
CA2049349A1 (en) | 1991-07-27 |
US5190396A (en) | 1993-03-02 |
EP0465654A4 (en) | 1992-06-17 |
DE69022227T2 (de) | 1996-05-02 |
DE69022227D1 (de) | 1995-10-12 |
KR0171420B1 (ko) | 1999-02-18 |
EP0465654B1 (en) | 1995-09-06 |
KR920701600A (ko) | 1992-08-12 |
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