EP3274147A1 - Führungswagen für eine wandsäge - Google Patents
Führungswagen für eine wandsägeInfo
- Publication number
- EP3274147A1 EP3274147A1 EP16713757.9A EP16713757A EP3274147A1 EP 3274147 A1 EP3274147 A1 EP 3274147A1 EP 16713757 A EP16713757 A EP 16713757A EP 3274147 A1 EP3274147 A1 EP 3274147A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide
- carriage
- gear
- saw
- guide carriage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/047—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with the work mounted on a carriage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/044—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs the saw blade being movable on slide ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/045—Sawing grooves in walls; sawing stones from rocks; sawing machines movable on the stones to be cut
Definitions
- the present invention relates to a guide carriage for a wall saw according to the preamble of claim 1.
- close-fitting wall saw systems which comprise a wall saw and a guide rail.
- the guide rail is fastened directly or via rail feet to the substrate to be worked, whereby walls, ceilings and floors can be processed.
- the wall saw consists of a saw head with an adjustable saw arm on which a saw blade is mounted and driven about a rotation axis, and a motor feed unit with a guide carriage and a feed motor.
- the wall saw is placed with the guide carriage on the guide rail.
- the guide carriage has a gear, which is connected to the feed motor and torque-transmitting, and a plurality of guide elements;
- the guide rail has a rack and a plurality of guide surfaces, wherein the geometry of the guide surfaces is adapted to the geometry of the guide elements.
- the gear of the guide carriage engages in the rack of the guide rail and the guide carriage is moved by the feed motor along the guide rail.
- the guide elements which are guided along the guide surfaces of the guide rail, there is a linear guide of the wall saw.
- the guide elements can be designed as roller elements or as sliding elements.
- floor saws are known, which are provided for the processing of soils.
- Saws are saws that are not guided on a guide rail but are moved over a carriage with at least three wheels. Smaller floor saws often have manual lowering and feed devices, with larger floor saws the lowering and feed devices are controlled by a motor.
- the disadvantage is that the floor saws are suitable for the processing of soils and for the processing of walls and ceilings another saw is required.
- the device manufacturer Diamond Products offers a guide carriage for its seemingly close-knit model CC1600 wall saw, which turns the wall saw into a floor saw.
- the guide carriage consists of a base frame with a receiving plate on which the wall saw is placed and secured, a guide frame with a handle and a chassis, which is arranged on the underside of the base frame.
- the chassis comprises a, designed as a front axle, first axle with two front wheels and, designed as a rear axle, second axle with two rear wheels.
- the disadvantage is that the carriage with the wall saw must be moved by the operator on the ground to be machined in the feed movement without motor support. Presentation of the invention
- the object of the present invention is to develop a carriage for a wall saw, which provides a small amount of equipment a motor support for the operator in the feed motion.
- the guide carriage is characterized in that at least one wheel of the chassis by means of a connecting device force and torque transmitting formed with the gear of the guide carriage connectable.
- a connection device which connects a wheel of the chassis with the gear of the guide carriage in a force-transmitting and torque-transmitting manner, has the advantage that the feed motor can be used as a drive motor for the guide carriage.
- the motor support of the operator during the feed motion of the carriage can be realize parativen effort, since the feed motor is present in a wall saw and can be omitted an additional drive motor for the carriage.
- the connecting device has at least one toothed wheel which can be connected with the gear of the guide carriage in a force-transmitting and torque-transmitting manner.
- a trained as a gear transmission connection between the wall saw and the carriage can be easily realized.
- the wall saw is placed on the receiving plate of the carriage and locked on the receiving plate. In the locked state, the gear of the guide carriage engages in the gear of the connecting device and closes the force and torque transmission from the guide carriage to the guide carriage.
- the connecting device has a first gear and a second gear, wherein the first or second gear with the gear of the guide carriage force and is transmitted to transmit torque.
- the saw blade is attached to an adjustable saw arm and offset from a median plane of the saw head.
- left and right arrangement In order to create edge cuts on opposite sides of the floor, it is necessary to place the wall saw in two different arrangements on the carriage, which are referred to as left and right arrangement.
- the saw arm with the saw blade is arranged on the left-hand side of the guide carriage, wherein the side of the guide carriage which faces the guide frame on the left hand of the operator is defined as the left side.
- the right arrangement of the wall saw is the arrangement in which the saw arm is arranged on the right side of the guide carriage.
- a coupling device with two gears makes it possible for the wall saw in the left and right arrangement to be connectable to the guide carriage.
- the first gear of the connecting device in the left or right arrangement of the wall saw with the gear of the guide carriage is engaged and the second gear of the connecting device is in the opposite arrangement, i. the right or left arrangement, with the gear of the guide carriage in engagement.
- a transmission device which is arranged between the first or second toothed wheel of the connecting device and the first axle and / or the second axle in a force-transmitting and torque-transmitting manner.
- the transmission device connects the toothed wheel of the connecting device, which is in engagement with the gear of the guide carriage, in a force-transmitting and torque-transmitting manner with the drive axle of the guide carriage. Since the creation of SAgeschlitzen often cooling water is required and very much dust and dirt accumulates, a chain transmission is suitable as a transmission device. Chain gears are due to the open chain links for dirty machining conditions better than, for example, belt transmissions with a closed belt.
- a coupling device which is adjustable between a coupled state and a disengaged state, wherein the gear of the connecting device in the coupled state force and torque transmitting connected to the at least one wheel and in the disengaged state, the force and torque transmission from the gear of Connecting device is interrupted for at least one wheel.
- the gearbox for the feed motor is self-locking for safety reasons. If the wall saw is mounted on a wall, it must be ensured that the wall saw does not make an uncontrolled feed movement in the event of a power interruption.
- the self-locking gearbox for the feed motor means that the guide carriage can only be moved with the wall saw mounted when power is supplied.
- a coupling device which interrupts the transmission of force and torque to the drive axle, allows the guide carriage can be moved with mounted wall saw without power.
- the coupling device is adjustable via a foot switch between the engaged state and the disengaged state.
- the design of the actuating element for the coupling device as a foot switch has the advantage that the operator can operate the coupling device when both hands engage around the handle of the guide frame.
- the receiving plate has at least one holding element, which can be brought into engagement with at least one guide element of the guide carriage.
- the guide elements of the guide carriage interact with a rail-guided wall saw system with the guide surfaces of the guide rail and are part of the linear guide. Via a holding element which can be brought into engagement with at least one guide element of the guide carriage, the linear guide (sliding movement or rolling movement) is prevented and the guide carriage is held in an intended position on the receiving plate.
- the receiving plate on a plurality of holding elements, which can be brought into engagement with the guide elements of the guide carriage.
- the holding elements are arranged diagonally opposite each other, so that the wall saw is held both in the left arrangement and in the right arrangement on the carriage.
- a holding element provided on the receiving plate. The position of the guide carriage on the receiving plate is also very stable in the sawing operation, when each guide element can be brought into engagement with a suitable holding element.
- At least one balance weight is provided on the carriage, which is fastened to the support frame.
- the balance weight consists of one or more weight elements which can be mounted and dismounted on the support frame; the balance weight is attachable to a socket pin or other suitable fastener that can accommodate one or more weight elements.
- the weight distribution of the wall saw on the carriage influences the sawing operation. In order to achieve a uniform progress of the saw blade, the drive wheels must have good traction and the saw blade must be kept in the ground.
- a balance weight which is arranged in the region of the drive axle, improves the traction of the drive axle. When the drive axle is loaded with a balance weight, the drive wheels have good contact with the ground and slippage of the drive wheels is avoided.
- a first balance weight and a second balance weight are provided on the guide carriage, wherein the first balance weight in the region of the first axis and the second balance weight in the region of the second axis are arranged.
- the maneuverability of the LM block is influenced by the weight distribution of the wall saw on the LM block.
- the weight distribution of the wall saw changes in a saw head with a pivotable saw arm with the tilt angle and the pivoting direction of the saw arm.
- the arrangement of the wall saw on the guide carriage influences the weight distribution;
- the right-hand arrangement of the wall saw may have a different weight distribution than the left-hand arrangement of the wall saw.
- the first balance weight is provided in the region of the first axis and the second balance weight is provided in the region of the second axis.
- at least one first locking pin and at least one second locking pin are provided on the support frame, wherein the first balance weight on the first locking pin and the second balance weight on the second locking pin can be fastened.
- the locking pins allow for easy assembly and disassembly of weight elements, so that the balance weights can be adapted to the weight distribution of the wall saw on the guide carriage and the task.
- the first balance weight consists of one or more weight elements which are placed on the first socket pins.
- the second balance weight consists of one or more weight elements, which are plugged onto the second locking pin.
- the weight elements can have the same mass and different balance weights are realized by the number of weight elements or weight elements with different masses are used.
- the carriage comprises a set of several weight elements of different mass.
- two wheels of the chassis which are arranged on a common drive shaft of the first or second axis, connected to the gear and the guide carriage so as to be connectable in terms of force and torque, wherein a wheel can be decoupled from the drive shaft. If both drive wheels are coupled to the drive shaft, the maneuverability of the guide carriage is limited without motor feed movement.
- the decoupling of a drive wheel from the drive shaft causes the two drive wheels can roll independently on the ground and steering movements are facilitated with the carriage for the operator.
- the wheel which can be decoupled from the drive shaft is decoupled from the drive shaft in the disengaged state of the clutch device.
- the coupling device is required to interrupt the transmission of power and torque to the drive axle if the guide carriage is to be moved without a power supply when the wall saw is mounted. Since the decoupling of the two drive wheels is required when the guide carriage is moved without motor assistance, the combination of decoupling the drive wheel from the drive shaft and disengaging the clutch device is useful. The combination of the equipment can be reduced and the ease of use for the operator can be increased. The operator only has to actuate the actuating element of the coupling device. embodiments
- FIGS. 1A, B show a known wall sawing system with a guide rail and a wall saw consisting of a saw head and a motorized feed unit (FIG.1A), wherein the wall saw can be moved along the guide rail by means of a guide carriage (FIG.1B);
- FIGS. 2A, B show a guide carriage according to the invention comprising a base frame, a guide frame and a chassis in the unfolded state (FIG 2A) and with a wall saw arranged on the carriage (FIG 2B).
- FIG. 3 the carriage according to the invention of FIG. 2A in the folded state in a three-dimensional view
- FIGS. 4A, B, the base frame of the guide carriage according to the invention of FIG. 2A is a top view (FIG. 4A) and a bottom view of the carriage of the carriage with coupling means (FIG. 4B);
- FIGS. 5A, B show the chassis (FIG. 5A) and the driven rear axle (FIG. 5B) of the guide carriage according to the invention of FIG. 2A with the coupling device in the engaged state;
- FIGS. 6A, B show the chassis (FIG. 6A) and the driven rear axle (FIG. 6B) of the guide carriage according to the invention of FIG. 2A with the coupling device in the disengaged state;
- FIGS. 7A, B show the wall saw of FIG. 2B, with the guide carriage according to the invention of FIG. 2A is formed as a floor saw (FIG.7A) and forms a wall saw system with a guide rail (FIG.7B);
- FIGS. 8A, B show an alternative embodiment of a drive axle with a clutch device in the engaged state (FIG. 8A) and in the disengaged state (FIG. 8B).
- FIG. 1A shows a known wall sawing system 10 with a guide rail 11, a wall saw 12 displaceably arranged on the guide rail 11, and a remote control 13.
- the wall saw 12 comprises a machining unit 14 and a motorized feed unit 15.
- the machining unit is designed as a saw head 14 and comprises a saw blade 16 which is fixed to a saw arm 17 and is driven by a drive motor 18 about a rotation axis 19.
- the saw blade 16 is surrounded by a blade guard 21, which is fastened to the saw arm 17 by means of a blade guard.
- the saw arm 17 is formed by a pivot motor 22 about a pivot axis 23 pivotally.
- the swivel angle of the saw arm 17 determines, with a saw blade diameter of the saw blade 16, how deeply the saw blade 16 dips into a workpiece 24 to be machined.
- the drive motor 18 and the pivot motor 22 are arranged in a device housing 25.
- As an alternative to the pivoting movement of the saw arm 17 about the pivot axis 23 of the saw arm 17 can be adjusted, for example by means of a linear drive or other drive means.
- the motor-driven feed unit 15 comprises a guide carriage 26 and a feed motor 27, which is likewise arranged in the device housing 25 in the exemplary embodiment.
- the saw head 14 is mounted on the guide carriage 26 and slidably formed on the feed motor 27 along the guide rail 1 1 in a feed direction 28.
- a control unit 29 for controlling the saw head 14 and the motor feed unit 15 is arranged in addition to the motors 19, 22, 27.
- the guide spout 26 and the saw head 14 may be formed in one piece or the guide carriage 26 is formed as a separate component to which the saw head 14 is attached.
- the remote control 13 comprises a device housing 31, an input device 32, a display device 33 and a control unit 34, which is arranged in the interior of the device housing 31.
- the control unit 34 converts the inputs of the input device 32 into control commands and data, which are transmitted to the wall saw 12 via a first communication link.
- the first communication connection is designed as a wireless and wireless communication connection 35 or as a communication cable 36.
- the wireless and wireless communication link 35 may be in the form of a wireless, infrared, Bluetooth, WLAN or Wi-Fi connection.
- FIG. 1B shows the structure of the guide carriage 26 and the connection between the guide carriage 26 and the guide rail 1 1.
- the guide carriage 26 is formed as a separate component; the saw head 14 is inserted into guides 41 and fastened to the guide carriage 26.
- the guide rail 1 1 is formed as a hollow profile and has a rack 42 and two guide surfaces 43.1, 43.2. Under the term
- the guide carriage 26 comprises a main body 44, a gear 45 and four guide elements 46.1, 46.2, 47.1, 47.2.
- the gear is designed as a spur gear 45 and mounted on an axle 48.
- the guide elements are formed in the exemplary embodiment as guide rollers 46.1, 46.2, 47.1, 47.2, which perform a rolling movement along the guide surfaces 43.1, 43.2.
- the guide rollers 46.1, 46.2 are designed as fixed guide rollers and the guide rollers 47.1, 47.2 as pivotable guide rollers.
- FIGS. 2A, B show a guide carriage 50 according to the invention consisting of a base frame 51, a guide frame 52 and a chassis 53.
- FIG. 2A the guide carriage 50 in the unfolded state
- FIG. 2B the guide carriage 50 with a mounted on the carriage 50 wall saw 54.
- the wall saw 54 corresponds in construction to the in FIG. 1A wall saw 12 with the saw head 14 and the motor feed unit 15th
- the base frame 51 is formed as a supporting frame construction and comprises a support frame 55 and a receiving plate 56, via which the wall saw 54 is connected to the guide carriage 50.
- the support frame 55 is connected to the underside facing the floor to be machined with the chassis 53 and at the top with the receiving plate 56.
- the guide frame 52 is formed as a U-shaped frame 57 which is connected at the closed end with a handle 58 for guiding the guide carriage 50 and at the open end to the support frame 55.
- the handle 58 includes a right handle member 59.1 and a left handle member 59.2, which are rigidly connected in the embodiment with the frame 57; Alternatively, the handle elements may be designed to the frame 57 adjustable.
- a holder 61 is additionally provided, which can accommodate the remote control 13 of the wall saw 54.
- the guide frame 52 is about a pivot axis 62 relative to the support frame 55 adjustable. By adjusting the pivot angle between the support frame 55 and the guide frame 52, the height of the handle 58 and the distance to the saw head 14 can be changed.
- the chassis 53 comprises a first axle 64 designed as a rear axle with two wheels 65 and a second axle 66 with two wheels 67 designed as a front axle; the wheels arranged on the front axle 66 are referred to as front wheels 67 and the wheels arranged on the rear axle 64 as rear wheels 65.
- the rear axle 64 is driven and the front axle 66 is unpowered;
- the front axle can be driven and the rear axle is unpowered or the front and rear axles are driven together.
- the guide carriage 50 has a cutting indicator 68, which is provided on the front side of the support frame 55 facing away from the guide frame 52.
- the cut display device 68 is pivotable about a pivot axis 69 and comprises a frame element 71, a support wheel 72 and a display element 73.
- the wall saw 54 is arranged in the exemplary embodiment such that the saw blade 16 and the blade guard 21, viewed from the operator, on the left side of the carriage 50 are arranged; this arrangement of the wall saw 54 is referred to as a left-hand arrangement.
- the left end of the display element 73 shows the operator the position of the saw blade 16 and thus the cutting process.
- the rear and front wheels 65, 67 are formed in the embodiment not steerable.
- the carriage 50 In order to still maneuver the carriage 50 with the wall saw 54, the carriage 50 is tilted by the operator on the guide frame 52 to the rear and moved on the rear wheels 65.
- the maneuverability of the guide carriage 50 is influenced by the weight distribution of the wall saw 54 on the guide carriage 50.
- the weight distribution of the wall saw 54 varies in a saw head 14 with pivotable saw arm 17 with the pivot angle and the pivoting direction of the saw arm 17.
- the arrangement of the wall saw 54 on the carriage 50 affects the weight distribution;
- the right-hand arrangement of the wall saw 54 may have a different weight distribution than the left-hand arrangement of the wall saw 54.
- a first counterweight 74 is provided in the region of the rear axle 64 and a second counterweight 75 is in the Area of the front axle 66 is provided.
- the first and second balance weights 74, 75 are attached to the support frame 55.
- 55 first socket pin 76 and second pin 77 are provided on the support frame, can be pushed onto the weight elements 78.1, 78.2, 79.
- the first balancing weight 74 consists of the two weighting elements 78.1, 78.2, which are plugged onto the first locking pins 76 and stacked one above the other.
- the second balance weight 75 consists of the weight element 79, which is attached to the second locking pin 77.
- the weight elements 78.1, 78.2, 79 are equally heavy; Alternatively, the same heavy weight elements can be used with a different mass or weight elements are used with different masses.
- the socket pins 76, 77 allow easy assembly and disassembly of the weight elements 78.1, 78.2, 79, so that the balance weights 74, 75 can be adapted to the weight distribution of the wall saw 54 on the guide carriage 50.
- the guide carriage 50 comprises a set of several weight elements of different mass, which can be plugged onto the socket pins 76, 77 as needed.
- the weight distribution of the wall saw 54 on the carriage 50 also affects the sawing operation.
- the drive wheels In order to achieve a uniform progress of the saw blade 16, the drive wheels must have a good traction and the saw blade 16 must be kept in the substrate to be processed.
- the first balance weight 74 is disposed on the rear axle 64 to improve the traction of the rear axle 64. When the drive shaft 64 is loaded with a balance weight, the drive wheels 65 have good contact with the ground and slippage of the drive wheels 65 is avoided.
- the second balance weight 75 is disposed in the region of the front axle 64 to hold the saw blade 16 in the ground and to prevent upward movement of the saw blade 16.
- FIG. 3 shows the guide carriage 50 according to the invention of FIG. 2A in the folded state in a three-dimensional view.
- the carriage 50 can be folded up and stowed away as a compact unit. The folding of the carriage 50 is carried out starting from the in FIG. 2A unfolded state shown.
- the cut display device 68 and the frame 57 of the guide frame 52 are formed pivotable about pivot axes parallel to the axis of rotation of the rear axle, the cut display device 68 is pivotable about the pivot axis 69 and the frame 57 about the pivot axis 62.
- the cut display device 68 is first pivoted about 180 ° about the pivot axis 69; in this position, the support wheel 72 is located on the support frame 55.
- a screw is released and the frame 57 pivoted about 90 ° about the pivot axis 62; then the screw is tightened.
- FIGS. 4A, B show the base frame 51 of the guide carriage 50 according to the invention of FIG. 2A is a top view of the receiving plate 56 (FIGURE 4A) and a bottom view of the chassis 53 (FIGURE 4B).
- the wall saw 54 In order to transform the wall saw 54 by means of the guide carriage 50 in a floor saw with motor feed motion, the wall saw 54 must be securely fixed on the carriage 50 and on the other hand, the feed motor 27 of the wall saw 54 must be connected to the rear axle 64 to transmit power and torque ,
- the wall saw 54 is placed with the guide carriage 26 on the receiving plate 56.
- the receiving plate 56 has four holding elements 81.1, 81.2, 81.3, 81.4, which can be brought into engagement with the guide elements 46.1, 46.2, 47.1, 47.2 of the guide carriage 26.
- the holding elements 81 .1 -81.4 ensure that the guide elements 46.1, 46.2, 47.1, 47.2 formed, guide elements of the guide carriage 26 do not perform a rolling movement.
- the movement of the feed motor 27 is transmitted via the associated gear to the gear 45 of the guide carriage 26.
- the rotational movement of the gear 45 is transmitted via a connecting device 82 and, designed as a chain gear 83, transmission means on the rear axle 64.
- the connecting device 82 forms with the gear 45 of the guide carriage 26 a positive gear transmission.
- the connecting device 82 comprises in the embodiment of FIG. 4A, B two gears 84.1, 84.2, which are connected to the gear wheel 50 of the guide carriage 26 and torque-tübertragend connectable.
- the first gear 84.1 of the connecting device 82 is engaged with the gear 45 of the guide carriage 26 when the wall saw 54 in the lin- ken arrangement is arranged on the carriage 50.
- the second gear 84.2 of the connecting device 82 is engaged with the gear 45 of the guide carriage 26 when the wall saw 54 is arranged in the right-hand arrangement on the guide carriage 50.
- a gear is sufficient to connect the guide carriage 26 in the right and left arrangement with the guide carriage 50.
- the transmission device is designed as a chain drive 83 and comprises a chain 85, a tensioning roller 86 and a sprocket 87, which is mounted on the rear axle 64.
- the chain 85 transmits the rotation of the first or second gear 84.1, 84.2 of the connecting device 82 to the sprocket 87.
- the tension roller 86 ensures a uniform feed movement and reduces jerking movement of the guide carriage in the sawing operation.
- the chain transmission 83 is less susceptible to soiling than, for example, a belted belt with a closed belt due to the open chain links. In a belt transmission, the dirt can settle on the closed belt, whereas dirt in open chain links harder to set and can fall through the chain links.
- the gearbox for the swing motor 22 and the feed motor 27 for safety reasons are self-locking.
- the wall saw 12, 54 is mounted on a wall, it must be ensured that the wall saw 12, 54 does not perform an uncontrolled feed movement in the event of a power interruption and the saw arm 17 does not move around the pivot axis 23 in an uncontrolled manner.
- the self-locking gear for the feed motor 27 results in that the guide carriage 50 can only be moved when power is supplied with the wall saw 54 mounted.
- the transmission device 83 has a coupling device 88 which is operable via a, designed as a foot switch 89, actuator.
- FIGS. 5A, B show the chassis 53 of the guide carriage 50 according to the invention and the driven rear axle 64 in the engaged state of the coupling device 88.
- FIG. 5A shows the coupling device 88, which connects the rear axle 64 to the feed motor 27 in a force-transmitting and torque-transmitting manner
- FIG. 5B the rear axle 64 in a section.
- the rear axle 64 with the two rear wheels 65 via the feed motor 27, the feed motor 27 associated gear, the gear transmission 45, 82 (gear 45 and Gear 84.1, 84.2 of the connecting device 82) and the chain drive 83 is driven.
- the rear wheels 65 are arranged on a drive shaft 91 and torsionally rigidly connected to the drive shaft 91.
- the drive shaft 91 is mounted via a first and second pillow block 92.1, 92.2, which are fixed to the underside of the support frame 55.
- the coupling device 88 comprises a bearing 93, a toothed hub 94, a toothed sleeve 95, an actuating ring 96 and a compression spring 97.
- the sprocket 87 of the chain transmission 83 is mounted with the bearing 93 on the drive shaft 91 and rotatably connected to the toothed hub 94.
- the sprocket 87 and the gear hub 94 are formed in the embodiment as separate parts which are bolted together; Alternatively, the sprocket 87 and the gear hub 94 may be integrally formed.
- the toothed sleeve 95 is mounted against rotation on the drive shaft 91 and formed on the actuating ring 96 along the drive shaft 91 slidably.
- the actuating ring 96 is connected via a lever 98 which is rotatably mounted about an axis of rotation 99, with the foot switch 89 and is displaced along the drive shaft 91 during the movement of the foot switch 89.
- the foot switch 89 is adjustable between a first and second position, wherein the in FIG. 5A position of the foot switch 89 is defined as the first position.
- the toothed sleeve 95 engages in the toothed hub 94.
- the toothed hub 94 has an inner geometry 101, which is formed as internal toothing, and the toothed sleeve 95 has a complementary outer geometry 102 which is formed as an external toothing.
- FIGS. 6A, B show the chassis 53 of the guide carriage 50 according to the invention and the driven rear axle 64 in the disengaged state of the coupling device 88, the disengaged state corresponding to the second position of the foot switch 89.
- FIG. 6A shows the coupling device 88, which interrupts the transmission of force and torque from the feed motor 27 to the rear axle 64
- FIG. 6B shows the rear axle 64 in a section.
- the toothed sleeve 95 which is connected to the actuating ring 96, is displaced from the toothed hub 94 and the positive connection between the internal toothing 101 of the toothed hub 94 and the external toothing 102 of the toothed sleeve 95 is canceled. Without a positive connection between the gear hub 94 and toothed sleeve 95, the force and torque transmission from the guide carriage 26 is interrupted on the drive shaft 91. By interrupting the power and torque transmission, the drive wheels 65 can be rolled on the drive shaft 64 with mounted wall saw 54 without power over the ground.
- FIGS. 7A, B show the wall saw 54 of FIG. 2B, which with the guide carriage 50 of the invention.
- 2A is formed as a floor saw (FIG.7A) and forms with a guide rail 111 a rail guided wall sawing system (FIG.7B).
- the wall saw 54 includes the saw head 14 with the saw arm 17, on which the saw blade 16 is fixed, and the guide carriage 26.
- the wall saw 54 is fixed by means of the guide carriage 26 on the guide carriage 50 and on the guide rail 101.
- the guide carriage 26 includes in the embodiment of FIG. 2B two fixed guide rollers 46.1, 46.2 and two movable guide rollers 47.1, 47.2.
- the fixed guide rollers 46.1, 46.2 are located on the saw arm 17 facing side of the saw head 14 and the movable guide rollers 47.1, 47.2 on the side facing away from the saw arm 17, the saw head 14th
- FIG. FIG. 7A shows the wall saw 54, which is fastened on the guide carriage 50 and forms a floor saw with the guide carriage 50.
- the wall saw 54 is placed with the guide carriage 26 on the receiving plate 56 of the guide carriage 50, that the fixed guide rollers 46.1, 46.2 of the guide carriage 26 abut against the holding elements 81.3, 81.4 of the receiving plate 56.
- the movable guide rollers 47.1, 47.2 of the guide carriage 26 are pivoted by means of the handle until the movable guide rollers 47.1, 47.2 rest on the holding elements 81.1, 81 .2 of the receiving plate 56.
- FIG. 7B shows the wall saw 54, which is fastened on the guide rail 101 and forms with the guide rail 101 a rail-guided wall saw system.
- the guide rail 1 1 1 is attached via rail feet 112 on the substrate to be processed, which may be formed as a wall, floor or ceiling.
- the guide rail 101 comprises a round tube 113 as the main body, a rack 114 and two V-shaped guide surfaces 115.1, 115.2, wherein the geometry of the guide surfaces 1 15.1, 1 15.2 is adapted to the geometry of the guide rollers 46.1, 46.2, 47.1, 47.2 of the guide carriage 26 ,
- the wall saw 54 is placed with the guide carriage 26 on the guide rail 1 1 1, that the fixed guide rollers 46.1, 46.2 of the guide carriage 26 abut against the first guide surface 1 15.1. Subsequently, the movable guide rollers 47.1, 47.2 of the guide carriage 26 are pivoted by means of the handle until the movable guide rollers 47.1, 47.2 rest against the second guide surface 15.2.
- the wall saw 54 is fixed to the guide rail 1 1 1, engages the gear 45 of the guide carriage 26 in the rack 1 14 of the guide rail and the rotational movement of the feed motor 27 is in a translational movement along the rack gear 45 and toothed rack the guide rail 1 1 1 converted.
- FIGS. 8A, B show an alternative embodiment of a drive axle 121 for the guide carriage 50 according to the invention with a coupling device 122 in the engaged state (FIG. 8A), in which the drive axle 121 is connected with the feed motor 27 of the wall saw 54 in a force-transmitting and torque-transmitting manner and disengaged Condition (FIG 8B), in which the power and torque transmission is interrupted and the drive wheels 123, 124 are decoupled from each other.
- the drive axle 121 can replace the driven rear axle 64 in the guide carriage 50 or be used instead of the non-driven front axle 66.
- the drive wheels 123, 124 are arranged on a drive shaft 125, wherein the first drive wheel 123 is rotationally rigidly coupled to the drive shaft 125 and the second drive wheel 124 is formed by the drive shaft 125 decoupled.
- the drive shaft 125 is mounted via a first and second pillow block 126.1, 126.2, which are fastened to the underside of the support frame 55.
- the coupling device 122 is analogous to the coupling device 88 of FIG. 5 and 6 is formed and is operated via the foot switch 89.
- the coupling device 122 comprises the toothed hub 94, which is non-rotatably connected to the sprocket 87 of the chain transmission 83, and the toothed sleeve 95, which is mounted against rotation on the drive shaft 125 and slidably formed via the actuating ring 96 along the drive shaft 125.
- the coupling device 122 differs from the coupling device 88 in that the toothed sleeve 95 on the end facing away from the external toothing 102 with a Connecting rod 127 is connected, which is slidably disposed in the drive shaft 125.
- the second drive wheel 124 is mounted on the drive shaft 125 and decoupled via a toothed gear 128 of the drive shaft 125.
- the toothed gear 128 comprises a toothed disk 129 with an external toothing 131 which can form a positive connection with an internal toothing 132.
- the external teeth 131 is positively connected to the internal teeth 132 and the second drive wheel 124 is rotatably connected to the drive shaft 125.
- the outer teeth 131 and the inner teeth 132 are not positively connected and the second drive wheel 124 is decoupled from the drive shaft 125.
- the decoupling of the second drive wheel 124 from the drive shaft 125 is combined with disengaging the clutch device 122. Since the decoupling of the two drive wheels 123, 124 is required when the guide carriage 50 is moved without motor assistance, the combination of decoupling and disengaging offers itself. The combination of the equipment can be reduced and the ease of use for the operator can be increased. The operator only has to move the foot switch 89 between the first position and the second position.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15160319.8A EP3072655A1 (de) | 2015-03-23 | 2015-03-23 | Führungswagen für eine wandsäge |
| PCT/EP2016/055640 WO2016150784A1 (de) | 2015-03-23 | 2016-03-16 | Führungswagen für eine wandsäge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3274147A1 true EP3274147A1 (de) | 2018-01-31 |
| EP3274147B1 EP3274147B1 (de) | 2022-08-17 |
Family
ID=52692558
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15160319.8A Withdrawn EP3072655A1 (de) | 2015-03-23 | 2015-03-23 | Führungswagen für eine wandsäge |
| EP16713757.9A Active EP3274147B1 (de) | 2015-03-23 | 2016-03-16 | Führungswagen für eine wandsäge |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15160319.8A Withdrawn EP3072655A1 (de) | 2015-03-23 | 2015-03-23 | Führungswagen für eine wandsäge |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10369723B2 (de) |
| EP (2) | EP3072655A1 (de) |
| WO (1) | WO2016150784A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2993015A1 (de) * | 2014-09-08 | 2016-03-09 | HILTI Aktiengesellschaft | Verfahren zur Steuerung eines Wandsägesystems beim Erstellen eines Trennschnittes |
| EP4538146A3 (de) | 2018-07-17 | 2025-09-10 | Milwaukee Electric Tool Corporation | Sägewagen |
| WO2020077417A1 (en) * | 2018-10-18 | 2020-04-23 | Nathan Bowie | A cut-off saw guide |
| EP3827953A1 (de) * | 2019-11-29 | 2021-06-02 | EURODIMA GmbH & Co KG | Wandsäge mit permanentmagnetmotor |
| EP3865238A1 (de) * | 2020-02-11 | 2021-08-18 | Hilti Aktiengesellschaft | Vorrichtung und system zum abdecken eines mit einem werkzeuggerät erzeugbaren schnittspalts, sowie verfahren zum absaugen von staub aus einem arbeitsbereich eines werkzeuggeräts |
| EP4245487A1 (de) * | 2022-03-09 | 2023-09-20 | Milwaukee Electric Tool Corporation | Sägewagen |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736311A (en) * | 1952-01-02 | 1956-02-28 | Concrete Saw Company | Track mounted cutter for concrete slabs and the like |
| US4938201B1 (en) * | 1986-03-25 | 1994-10-18 | Edward Chiuminatta | Saw for cutting uncured concrete |
| US5305729A (en) * | 1992-02-14 | 1994-04-26 | Chiuminatta Edward R | Method and apparatus for cutting wet concrete |
| US5724956A (en) * | 1996-03-06 | 1998-03-10 | Diamond Products Joint Venture | Riding saw for cutting concrete and similar materials |
| FR2771318B1 (fr) * | 1997-11-27 | 2000-01-21 | Turripinoise De Mecanique Stum | Tronconneuse de rail |
| US6427677B1 (en) * | 1998-11-02 | 2002-08-06 | Black & Decker Inc. | Tile saw |
| US6349712B1 (en) * | 2001-01-19 | 2002-02-26 | David Halstead | Saw extension |
| JP2002343745A (ja) * | 2001-05-14 | 2002-11-29 | Tokyo Seimitsu Co Ltd | ダイシング装置 |
| US20060201492A1 (en) * | 2002-03-18 | 2006-09-14 | Anthony Baratta | Methods and apparatus for movable machining tools including for wall saws |
| US7469694B2 (en) * | 2003-02-03 | 2008-12-30 | Husqvarna Outdoor Products Inc. | Height mechanism for equipment, including concrete saws |
| US7007686B1 (en) * | 2004-02-17 | 2006-03-07 | Zuzelo Edward A | Repair assembly for a worn skid plate of a circular saw |
| US7163010B2 (en) * | 2004-06-03 | 2007-01-16 | Soff-Cut International, Inc. | Skid plate for concrete saw |
| US7198042B2 (en) * | 2004-06-03 | 2007-04-03 | Harris K Michael | Apparatus for cutting a mitered edge in stone |
| US7909410B2 (en) * | 2006-11-21 | 2011-03-22 | Collister Kenneth F | Roofing saw |
| US9027542B2 (en) * | 2013-02-14 | 2015-05-12 | Perfect Trac Opco, Llc | Powered saw including dust capture apparatus |
| US9808961B2 (en) * | 2015-01-30 | 2017-11-07 | Tim Jenkins | Electric dust free saw |
-
2015
- 2015-03-23 EP EP15160319.8A patent/EP3072655A1/de not_active Withdrawn
-
2016
- 2016-03-16 WO PCT/EP2016/055640 patent/WO2016150784A1/de not_active Ceased
- 2016-03-16 US US15/559,479 patent/US10369723B2/en active Active
- 2016-03-16 EP EP16713757.9A patent/EP3274147B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20180104851A1 (en) | 2018-04-19 |
| EP3072655A1 (de) | 2016-09-28 |
| WO2016150784A1 (de) | 2016-09-29 |
| EP3274147B1 (de) | 2022-08-17 |
| US10369723B2 (en) | 2019-08-06 |
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