EP3774183A1 - Eindrehschlüssel für die einbringung eines gewindestabs in einen untergrund - Google Patents
Eindrehschlüssel für die einbringung eines gewindestabs in einen untergrundInfo
- Publication number
- EP3774183A1 EP3774183A1 EP19708809.9A EP19708809A EP3774183A1 EP 3774183 A1 EP3774183 A1 EP 3774183A1 EP 19708809 A EP19708809 A EP 19708809A EP 3774183 A1 EP3774183 A1 EP 3774183A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- threaded rod
- rollers
- roller
- key
- housing
- 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
- 230000033001 locomotion Effects 0.000 claims abstract description 26
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
- B25B23/103—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means for gripping threaded studs
Definitions
- a threaded rod Under a threaded rod is understood in the following application, a rod made of steel, which has at its periphery inclined ribs which are formed like a thread. Such a threaded rod is used for example for
- the oblique ribs extend helically in a helix about the cylindrical wall of the threaded rod.
- the "notch" of these bevel ribs is referred to as a thread.
- the bevel ribs allow in
- the introduction of the threaded rod in the ground depends on the morphological nature of the substrate and can be done either by a pre-drilling in the intended depth and inclination, or without pre-drilling, in which the external thread of the threaded rod takes over the function of a drill thread and so under vertical pressure or train into the ground (anchored) or dissolves it ..
- a threaded rod is merely a rod with an external thread and can be difficult to move with conventional tools. For this reason, so-called Einreh Anlagenl be used as a tool to the
- Screw threaded rod into the substrate in a form-fitting manner Screw threaded rod into the substrate in a form-fitting manner.
- Insertion keys convert a rotary movement into a longitudinal movement in order to position the threaded rod.
- Such a tool is disclosed for example in EP 1685338 B1 and is designed as a roller screw drive, in which a spindle nut is rotatably arranged as a tool on a threaded spindle.
- Roller screw drives convert a relative rotational movement between the threaded spindle and the tool into a translational movement of the threaded spindle. For this, the tool is rotated and the inside of the tool obliquely arranged rollers, which are located on the
- a disadvantage of this tool is the cost-intensive production, as must always be paid to an exact inclination of the roles, so that they can engage in the thread flanks. If this tool is used to insert threaded rods into the soil, the mechanics will be dirty inside the tool and it will therefore require frequent cleaning. In addition, the stress on the mechanism inside the tool can result in high internal friction, coupled with extreme heat build-up, either alone or in combination with the insertion process
- the present invention is therefore based on the object to enable a safe and cost-effective screwing threaded rods in a substrate, with a simple, low-wear and assembly time
- Essential feature is that as a tool a box-like
- a nut is understood to be a hollow arbitrarily shaped body, which is formed with at least one internal thread, which is in threaded engagement with the external thread of the threaded rod.
- the profiling of the threaded rod has a key surface, which allows a positive engagement of the Einfan finallyls.
- the drive-in key has profiled rollers mounted on the inner circumference, which are matched to the wrench surface of the threaded rod.
- the rollers Similar to a wrench, the wrench size, the rollers have a hereinafter also referred to as key width profiling, which receives the formed by the key surfaces drive profile of the lateral surface of the threaded rod in itself to transmit to the threaded rod a rotational movement of the rotatably driven inner housing.
- the profiling of the respective roll is provided in a preferred embodiment, similar to a spanner, with two parallel or at an angle opposite surfaces that receive the threaded rod with a corresponding "key width" in itself. These surfaces, hereafter referred to as roll collars, have a figurative sense Key dimension between them, which coincides with the profile shape of the threaded rod and thus fulfill a key function.
- rollers can on both sides comprise the drive profile of the threaded rod and transmit a force acting on the screwdriver rotation on the threaded rod.
- the present invention is not limited to the use of a pair of rollers on a plane.
- a plurality of roller pairs is claimed, as well as the arrangement of three or more rollers that allow an attack on a plane at the key area.
- rollers are arranged on each side of the threaded rod, which form a row of rollers.
- the invention is not limited thereto. Also, the use of only one roll per side or more than two rolls per side is claimed with the present invention.
- the rollers face each other on each side of the threaded rod.
- an offset roller arrangement is used in order to achieve differently sized threaded rods with a constant roller size
- the distance between the two rows of rollers, which receive the threaded rod between them, is variable and can be adjusted via an adjusting device on
- Screwdrivers are adapted to the different diameters of threaded rods.
- Threaded rod on an element with a threaded bore, such as a nut the thread-like profiling of the threaded rod comes into engagement with the thread of the threaded bore of the element, wherein the internal thread of the threaded bore has the same pitch as the threaded rod.
- Threaded rod transfers. Due to the rotatable mounting of the rollers, an axial movement of the threaded rod is possible. Will then the
- Insertion key connected to the nut i. when the screwdriver stands on the nut, the threaded rod is moved through the nut.
- the use of rotatably mounted rollers creates less friction compared to the known devices according to the prior art.
- this invention results in less frictional resistance as in the known devices, which have a high
- Threaded nut moved through is that a nut is arranged with a thread between the screwdriver and the ground, which rotatably the rotational movement of the Eintax finallyls in a translational
- Movement of the threaded rod converts. Another advantage is that the rollers have a profiling that ensure a positive engagement on the lateral surface of the threaded rod.
- threaded rod is axially slidably received in the drive-in between the rotatably mounted there rollers and that the rotatably driven drive-in key is mounted in a fixed housing.
- roller coasters has, between which a recessed Rollenl is surface, which rolls on the thread-side surface of the threaded rod.
- Another advantage is that the threaded rod is guided between at least one pair of rollers.
- Another advantage is that the threaded rod is guided displaceably in the roller gap of a plurality of roller pairs arranged axially one behind the other.
- the inner housing of the rotatably driven Eintax finallyls consists of two mutually complementary housing halves and that the roller pairs are rotatably mounted in the inner housing.
- Another advantage is that by a machine or a tool, a torque about the axis of rotation of the Einf finallyls on the inner housing is transferable.
- the subject invention of the present innovation is not only the subject of the individual claims, but also from the combination of individual protection claims with each other.
- Figure 1 different views of the threaded rod
- Figure 2 top view profile shape threaded rod
- Figure 3 top view profile shape threaded rod
- FIG. 5 side view of the roll
- FIG. 8 A top view of a pair of rollers with a threaded rod guided between them.
- FIG. 9 A view of a rolling adapter with three pairs of rollers
- FIG. 10 perspective view of a turning key without rollers
- FIG. 11 a perspective view of a turning key with rollers
- FIG. 12 perspective view of a turning key in a sleeve
- FIG. 13 Top view of roller arrangement with three-sided threaded rod
- FIG. 14 Top view of roller arrangement with three-sided threaded rod
- FIG. 15 Top view of roller arrangement with two-sided threaded rod
- FIG. 16 Roller with roller running surface
- FIG. 17 Tool attack on housing with integrated insertion key
- Figure 1 shows various views of the threaded rod 1 used in the preferred embodiment. According to Figure 1, the threaded rod is in
- the threaded rod 1 can be rotated about a centrally extending in the axial direction through the threaded rod axis of rotation 18 in the direction of rotation 19.
- Threaded rod has at certain sections on its outer circumference Thread 2, which despite interruptions in the axial direction, has a continuous helix. Outside these sections, the threaded rod has the wrench flats 23, which form the drive profile, which can be seen in FIG.
- Figure 3 shows the threaded rod 1 with a special profile shape, which is modeled on a triangle.
- three surfaces 23 form a key surface and the thread of the threaded rod is located at the vertices of the triangular shaped threaded rod.
- FIG 4 and Figure 5 shows the roller 3 used, which consists of two roller collars 4a, 4b, which are arranged spaced apart in the axial direction at a distance of the so-called. Key Width 25. Between the roller collars 4a, 4b, a roller tread 5 is recessed. The roller tread is bounded by two flanks 26 which extend in the radial direction of the roller 3. The flanks 26 form the spacing surface between the surface of the roller collars 4a, 4b and the roller tread 5.
- the roller 3 has in the embodiment shown here an inner sleeve 33, which extends axially through the roller and protrudes from the roller body. On this inner sleeve 33, the roller 3 is rotatably mounted. Such a rotation is made possible, for example, by a ball, slide or rolling bearing between inner sleeve 33 and roller 3.
- the roller 3 is fixed in the inner housing 37 via a screw 28 screwed in the axial direction. In the formed by the flanks 26 and the roller tread 5
- Receiving space 6 is received in about half of the threaded rod 1.
- the fleas of the flank 26 must therefore be approximately half the radius of the
- Threaded rods 1 correspond.
- the receiving space 6 of the individual rollers 3 is formed by the
- roller cuffs 4a and 4b and the roller tread 5.
- roller 3 upon rotation about the roller
- FIG. 6 shows a further embodiment of the roller 3 with the two roller collars 4a and 4b, which define the receiving space 6 between them.
- the receiving space 6 becomes radially inwardly through the steps 41 and 42
- the receiving space is first reduced to the distance 44 of the opposing steps 41 and then further to the distance 43 of the parallel steps 42.
- the resulting reduced receiving space is now suitable for receiving
- Threaded rods with a small diameter These can be received in the receiving space formed by the steps 42 and the rolling surface 5, wherein the steps 42 form-fitting manner to the surfaces 23 of a threaded rod, since the distance 43 corresponds approximately to the distance of the surfaces 23 to each other.
- the roll shown is also suitable for receiving threaded rods with a larger diameter whose surfaces 23 are approximately at a distance of 44 apart. This slightly larger
- Threaded rods are then on the front of the steps 42nd
- Such a threaded rod 1a is shown in FIG. With the rollers shown, it is also possible to take a threaded rod and rotate, the surfaces 23 is a distance greater than the distance 44 apart. Such a threaded rod 1 b is shown in FIG. These threaded rods are then on the front of the steps 41st formed roller treads 5b and are held laterally by the two parallel edges 26 of the roller collars 4a, 4b.
- Threaded rods 1 a, b extend at a distance from each other are changed to be adapted to the different size of the threaded rods 1 a, b.
- Such an adjustment mechanism is from the outside of the
- FIG. 9 shows the insertion key 14, which consists of the rollers 3 a and 3 b, which are rotatably mounted in the roll-off adapter 9.
- rollers 3a, 3b When carrying out a threaded rod 1 in the direction of arrow 22, the rollers 3a, 3b roll with their roller treads 5a, 5b (not shown) on the threaded rod 1 from.
- the drive-in key 14 is in this case rotatably mounted in a housing 20 and is rotated by an outside of the housing 20 engaging, shown in Figure 17 tool about the axis of rotation 18 in the direction of rotation 19.
- the collar 11 is profiled, for example, with a hexagonal shape, designed to allow a positive engagement of a tool.
- a hex nut as a nut 12 with an internal thread, which receives the threaded rod 1 in itself.
- a nut 12 can
- the housing 20 is frontally with the collar 46 on the nut 12.
- the collar 46 has for this purpose a support surface 48 which is in surface contact with the nut 12.
- the invention is not limited thereto. Also a form-fitting
- connection between the housing 20 and the nut 12 is possible, so for example, the nut 12 may be attached to the housing 20.
- the thread 21 of the nut 12 has the same thread pitch as the thread 2 of the threaded rod. 1
- the insertion key 14 engages due to the profiled rollers 3a, b
- the threaded rod 1 can be screwed into a substrate 32.
- the driving key 14 thus causes only the rotation of the threaded rod 1
- FIG. 10 shows one housing half 34a of the screw-in key housing 37 of the internally mounted and axially displaceable insertion key 14, without fitted rollers.
- the rollers are mounted by means of axial thrust bearings 17 in the inner housing, which ensure a low-friction rolling of the rollers depending on the direction of rotation.
- Inner housing according to Figure 10 holes 36 through which the screws 28 are performed.
- a collar 40 protruding from the inner sleeve 33 of the roller engages with a circular depression 39 arranged around the bores 36 in the housing bottom 35 of the housing half 34a. This ensures that the surface of the roller 33 is arranged around the inner sleeve 33 Rolling body not in contact with the
- the recess 39 is preferably milled into the housing bottom 35.
- Figure 11 shows the Abrolladapter 9 according to the invention, with which the recording of the roller pairs 3 inside the Einwind finallyls 14 is designated.
- the recording of the roller pairs 3 inside the Einwind finallyls 14 is designated.
- three pairs of rollers are arranged, each of which can receive the threaded rod 1 in pairs.
- Housing half 34 a attached and are thus rotatably mounted respectively about the axis of rotation 8.
- the housing half 34a has at its upper end a collar 11, which may for example have a hexagonal shape. At the lower end, the housing half 34 has another collar 10 on which a bearing can be mounted.
- the housing half 37 forms with another housing half the
- Inner housing 37 in which the roll-off adapter 9 is received.
- FIG. 12 shows the housing half 34a described in FIG. 11, which is accommodated in the housing jacket 20.
- the housing half 34 is composed with the housing half 34b to form an inner housing, which forms the Einwindmaschinel 14 together with the rollers.
- Inner housing is rotatably supported in the housing shell 20 via the bearings 15a and 15b.
- the housing jacket 20 has a collar 40 in the axial direction, which has a frontal support surface 48.
- the housing shell 20 On the side opposite the collar 40, the housing shell 20 has a flange 47, which serves for mounting the individual housing shell parts.
- FIG. 13 shows a further embodiment of the invention.
- a profiled in triangular threaded rod 1 engage 31 profiled rollers 30 at the corners, which have a corresponding to the edges 31 profiling.
- the threaded rod can be rotated about the axis of rotation 18 in the direction of rotation 19.
- FIG. 14 shows an embodiment modified from FIG. 13, wherein rollers 29 with a straight support surface act on a keyway 23 profiled in a triangular shape on the key surfaces 23 between the corner points.
- Rotary axis is rotated in the direction of rotation 19.
- the threaded rod 1 fills the receiving space 6a of the roller 3a and the receiving space 6b of the roller 3b almost completely. This is up To ensure a tolerance range in order to introduce rusty or dirty rods in the receiving spaces 6a, 6b can.
- the keyway 25 between the roller collars 4a, 4b corresponds approximately to the distance 24 of the surfaces 23 of Figure 2.
- the threaded rod 1 can be positively received between the rollers 3a, 3b be, since the distance and the profile shape of the roller collars 4a and 4b is adapted to the profile shape of the threaded rod 1.
- Roller collars 4a, 4b high and the roller tread 5 formed deep, so that similar to a spanner, the threaded rod between this role can be added in half.
- the rollers 3a and 3b can touch each other at the contact point 7, but it is ensured that the rollers roll over the axes 8a and 8b. Also, a minimal distance between the frets of the individual roles is possible.
- FIG. 16 shows the housing 20 in which the driving key is rotatably mounted.
- the screwdriver is driven in rotation about the collar 11, wherein the collar 11 is a hexagonal sleeve in the example shown here.
- To this Hexagonal sleeve engages a motor-driven tool 45 and transmits a rotary motion to the drive-in key.
- the nut 12 on which the sleeve 20 rests with its support surface 48.
- the rotatably driven in the sleeve 20 threaded rod 1 comes into contact with the nut 12, wherein the thread 2 of the rod engages in the internal thread of the nut 12 and the rod moves in the direction of arrow 22.
- FIG. 17 shows a tool 45 which rotatably drives the driving-in key rotatably mounted in a housing 20.
- the tool 45 transmits its generated rotational movements on the collar 11 of the
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202018101838.8U DE202018101838U1 (de) | 2018-04-05 | 2018-04-05 | Eindrehschlüssel für die Einbringung eines Gewindestabs in einen Untergrund |
PCT/EP2019/054812 WO2019192781A1 (de) | 2018-04-05 | 2019-02-27 | Eindrehschlüssel für die einbringung eines gewindestabs in einen untergrund |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3774183A1 true EP3774183A1 (de) | 2021-02-17 |
EP3774183B1 EP3774183B1 (de) | 2024-10-16 |
Family
ID=65657448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19708809.9A Active EP3774183B1 (de) | 2018-04-05 | 2019-02-27 | Eindrehschlüssel für die einbringung eines gewindestabs in einen untergrund |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3774183B1 (de) |
DE (1) | DE202018101838U1 (de) |
WO (1) | WO2019192781A1 (de) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2069527A (en) * | 1935-02-08 | 1937-02-02 | Arthur I Kirkland | Chuck adapted for stud driver or the like |
US2408335A (en) * | 1943-05-21 | 1946-09-24 | Pesco Products Co | Torque wrench |
GB2122933A (en) * | 1982-07-02 | 1984-01-25 | Upat Max Langensiepen Kg | Setting tool for driving in a threaded rod |
DE4301582A1 (en) * | 1992-01-21 | 1993-07-22 | Koken Tool Co | Bolt driver - has three clamping rollers at 120 deg which ride on six lobed inner cam surface of socket to grip bolt head |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10354064A1 (de) | 2003-11-19 | 2005-06-02 | Ina-Schaeffler Kg | Rollengewindetrieb |
-
2018
- 2018-04-05 DE DE202018101838.8U patent/DE202018101838U1/de active Active
-
2019
- 2019-02-27 EP EP19708809.9A patent/EP3774183B1/de active Active
- 2019-02-27 WO PCT/EP2019/054812 patent/WO2019192781A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2069527A (en) * | 1935-02-08 | 1937-02-02 | Arthur I Kirkland | Chuck adapted for stud driver or the like |
US2408335A (en) * | 1943-05-21 | 1946-09-24 | Pesco Products Co | Torque wrench |
GB2122933A (en) * | 1982-07-02 | 1984-01-25 | Upat Max Langensiepen Kg | Setting tool for driving in a threaded rod |
DE4301582A1 (en) * | 1992-01-21 | 1993-07-22 | Koken Tool Co | Bolt driver - has three clamping rollers at 120 deg which ride on six lobed inner cam surface of socket to grip bolt head |
Non-Patent Citations (1)
Title |
---|
See also references of WO2019192781A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE202018101838U1 (de) | 2019-07-12 |
EP3774183B1 (de) | 2024-10-16 |
WO2019192781A1 (de) | 2019-10-10 |
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