CA2327298A1 - Device for arranging shaft covers - Google Patents
Device for arranging shaft covers Download PDFInfo
- Publication number
- CA2327298A1 CA2327298A1 CA002327298A CA2327298A CA2327298A1 CA 2327298 A1 CA2327298 A1 CA 2327298A1 CA 002327298 A CA002327298 A CA 002327298A CA 2327298 A CA2327298 A CA 2327298A CA 2327298 A1 CA2327298 A1 CA 2327298A1
- Authority
- CA
- Canada
- Prior art keywords
- ring
- anchoring
- frame part
- compensating
- rings
- 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.)
- Abandoned
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination
Abstract
The invention relates to a device for arranging shaft covers and similar, comprising an upper frame part (1) which is configured for receiving a cover, retaining elements for anchoring in the surrounding roadway covering (10, 11) being provided on said frame part (1), and a connecting part (40) which can move in relation to the upper frame part (1). The aim of the invention is to simplify the construction of the arrangement. To this end, an anchoring part (20) and optionally, one or more compensating rings (30) are provided between the connecting part (40) and the frame part (1). Said compensating rings (30) consist of an elastically deformable material and the anchoring part (20) and compensating rings (30) each have a ring-shaped groove (22, 32) into which the connecting part (40) can be introduced in order to provide a connection which allows for displacement.
Description
A device for arranging shaft covers The present invention relates to a device for arranging shaft covers in accordance with the preamble of claim 1.
Conventional shaft covers for conduit-type sewers or the like substantially consist of tubular elements to which an upper frame part is attached which is used for receiving the cover.
In the case of a storm sewer such a cover is perforated, whereas a substantially sealed cover is used for sewage drains. The shaft usually rests at its lower end on the generally horizontally extending sewer. It is unavoidable that horizontal and vertical movements occur as a result of fluctuations in temperature and, in particular, as a result of frost and other influences in the road foundation. Road traffic also constitutes a considerable burden. Conventional rigid shaft systems can follow these movements only inadequately or not at all. This leads both to damage to the individual components as well as to situations in which the cover is no longer flush with the road surface. This constitutes a serious obstacle and a hazard for road traffic.
The respective repairs and exchange work cause relatively high costs.
From WO 82/04276 an arrangement is known for a shaft cover in which a frame part for a shaft cover is anchored by a dome shaped holding section in an upper layer of the road foundation. At its lower side the frame part is provided with a downwardly projecting sleeve which encloses a shaft pipe with play, so that an axial movement is possible within a certain margin. Any changes in the soil level which are caused by frost can be partly compensated in this manner. If in addition to the changes in level there are displacements parallel to the road surface, such displacements cannot be compensated by this design. Moreover, the pipe that slides in the sleeve can get stuck, thus preventing the device from performing its intended purpose.
Furthermore, from GB 2 194 981 A a housing for a water shut-off valve is known which consists of a base plate, a grooved pipe and an upper section which carries a cover. In the case of this maintenance shaft, the grooved pipe mainly fulfills the task of improved anchoring in the soil in order to prevent any inadmissible load on the pipe. The upper part is provided to encompass the pipe. It is not connected with the pipe however which extends freely into said upper part. Although such a design may be suitable for maintenance shafts of water valves and the like, it is certainly not useful in a general manner for sewer covers. Moreover, there is always the problem in connection with a grooved plastic pipe, as is proposed in this document on the state of the art, that a sufficiently stiff pipe that can withstand the pressures of the soil is only insufficiently flexible in order to be able to absorb the occurring soil movements. If the pipe is provided with a sufficiently flexible design however to fulfil this task, the problem of lack of strength will arise, thus giving rise to fears that the shaft will collapse when subjected to road traffic.
Shaft covers are further known from SE 403 919 A and SE 384 238 A in which telescopically extendable elements are provided. Although it is possible with such telescopic guide means to compensate the changes in the level of the shaft cover with respect to the components that are fixedly anchored in the soil, radial displacements on the other hand will lead to problems. Moreover, it is not easily possible with such systems to achieve an inclined installation position in the case of inclines of roads and the like. Moreover, the threat of jamming of the telescopic guide means exists, which my lead to functional impairments.
It is the object of the present invention to avoid such disadvantages and to further develop a shaft cover in such a way that even in the case of strong fluctuations in temperature, frost, heavy road traffic and the like the flush position of the cover with the road surface is ensured at all times . The shaft cover shall be easy to make at low price and it is to be possible to provide a large number of different applications with a small number of different components. It is to be possible to compensate not only vertical displacements, but also displacements in the radial direction to a certain extent.
These objects are achieved in accordance with the invention by an arrangement according to the characterizing part of claim 1.
The relevant aspect in the invention is that not only a telescopic guidance of different components is provided, but also that said components are provided with a limited inner elasticity so as to enable the same to follow soil movements and crushing to a certain extent. The anchoring part and the compensating ring are preferably made of a suitable plastic material. The particular advantage of the invention is that depending on the required height of the system the number of compensating rings can be chosen in a suitable way. In the smallest possible variant the anchoring part is placed directly on the connecting part. If a larger height is to be overcome, compensating rings are inserted in the required number between the connecting part and the anchoring part. In this way only three different components need to be stored for the flexible section, thus simplifying handling and reducing manufacturing costs. As a result of the preferably elastic arrangement of the rings it is possible to compensate not only the displacement in the axial direction, but also to absorb and compensate displacements in other directions. The arrangement in accordance with the invention permits providing an angular displacement between the anchoring part and the connecting part in the case of an incline.
It is particularly favorable when the connecting part comprises at its upper end at least one holding claw which is intended to engage in a respective recess of the anchoring part or the compensating ring. Since it is possible in this way to connect in a captive manner the connecting part and the anchoring part located above the same or, optionally, the compensating ring, the mounting is simplified to a considerable extent. It is possible to produce the connection between the individual rings by latching. It is similarly possible to produce a connection by rotation in the manner of a bayonet catch.
It is provided in a particularly preferred embodiment that a plate-shaped, upwardly facing extension is provided integrally on the outer circumference of the anchoring part. In this way the anchoring part is securely embedded in the ambient soil and can follow the respective movements in an unobstructed way.
A particularly favorable connection of the compensating rings among one another or with the anchoring part is achieved in such a way that the compensating ring is provided in its upper area with two concentric grooves.
Solutions are known in which the frame part, i.e. the uppermost component in which the shaft cover is embedded, is provided with an anchoring ring which is provided with a ' design so as to be flush with the road surface. It has proved to be particularly more appropriate; however, when the anchoring ring is anchored slightly below the road surface and is thus encompassed on all sides by the road surfacing and is held by the same.
In order to enable the easiest possible raising of the shaft cover after the application of an additional road surfacing layer, it may be provided in particular that an intermediate ring is provided which is designated to be placed on the frame part and that the intermediate ring is provided with an outwardly extending anchoring ring. Within the terms of the invention it is possible that intermediate rings of different thickness can be provided. Depending on the thickness of the additionally applied road surfacing, one or several intermediate rings are inserted in order to raise the shaft cover accordingly.
The penetration of soil or stones into the mutually movable parts can securely be prevented by providing a bellows. The compensating rings can represent a reinforcement of the bellows in such a solution and support the same against the soil. It is also possible to reinforce the bellows per se by inserted steel rings. In another possible variant a foil encompassing the rings can form the protection against the penetration of foreign bodies.
The invention is now explained in closer detail by reference to the enclosed drawings, wherein:
Fig. 1 shows a sectional view of a device in accordance with the invention in the installed state;
Fig. 2 shows an exploded view of the individual components of the device in accordance with the invention;
Conventional shaft covers for conduit-type sewers or the like substantially consist of tubular elements to which an upper frame part is attached which is used for receiving the cover.
In the case of a storm sewer such a cover is perforated, whereas a substantially sealed cover is used for sewage drains. The shaft usually rests at its lower end on the generally horizontally extending sewer. It is unavoidable that horizontal and vertical movements occur as a result of fluctuations in temperature and, in particular, as a result of frost and other influences in the road foundation. Road traffic also constitutes a considerable burden. Conventional rigid shaft systems can follow these movements only inadequately or not at all. This leads both to damage to the individual components as well as to situations in which the cover is no longer flush with the road surface. This constitutes a serious obstacle and a hazard for road traffic.
The respective repairs and exchange work cause relatively high costs.
From WO 82/04276 an arrangement is known for a shaft cover in which a frame part for a shaft cover is anchored by a dome shaped holding section in an upper layer of the road foundation. At its lower side the frame part is provided with a downwardly projecting sleeve which encloses a shaft pipe with play, so that an axial movement is possible within a certain margin. Any changes in the soil level which are caused by frost can be partly compensated in this manner. If in addition to the changes in level there are displacements parallel to the road surface, such displacements cannot be compensated by this design. Moreover, the pipe that slides in the sleeve can get stuck, thus preventing the device from performing its intended purpose.
Furthermore, from GB 2 194 981 A a housing for a water shut-off valve is known which consists of a base plate, a grooved pipe and an upper section which carries a cover. In the case of this maintenance shaft, the grooved pipe mainly fulfills the task of improved anchoring in the soil in order to prevent any inadmissible load on the pipe. The upper part is provided to encompass the pipe. It is not connected with the pipe however which extends freely into said upper part. Although such a design may be suitable for maintenance shafts of water valves and the like, it is certainly not useful in a general manner for sewer covers. Moreover, there is always the problem in connection with a grooved plastic pipe, as is proposed in this document on the state of the art, that a sufficiently stiff pipe that can withstand the pressures of the soil is only insufficiently flexible in order to be able to absorb the occurring soil movements. If the pipe is provided with a sufficiently flexible design however to fulfil this task, the problem of lack of strength will arise, thus giving rise to fears that the shaft will collapse when subjected to road traffic.
Shaft covers are further known from SE 403 919 A and SE 384 238 A in which telescopically extendable elements are provided. Although it is possible with such telescopic guide means to compensate the changes in the level of the shaft cover with respect to the components that are fixedly anchored in the soil, radial displacements on the other hand will lead to problems. Moreover, it is not easily possible with such systems to achieve an inclined installation position in the case of inclines of roads and the like. Moreover, the threat of jamming of the telescopic guide means exists, which my lead to functional impairments.
It is the object of the present invention to avoid such disadvantages and to further develop a shaft cover in such a way that even in the case of strong fluctuations in temperature, frost, heavy road traffic and the like the flush position of the cover with the road surface is ensured at all times . The shaft cover shall be easy to make at low price and it is to be possible to provide a large number of different applications with a small number of different components. It is to be possible to compensate not only vertical displacements, but also displacements in the radial direction to a certain extent.
These objects are achieved in accordance with the invention by an arrangement according to the characterizing part of claim 1.
The relevant aspect in the invention is that not only a telescopic guidance of different components is provided, but also that said components are provided with a limited inner elasticity so as to enable the same to follow soil movements and crushing to a certain extent. The anchoring part and the compensating ring are preferably made of a suitable plastic material. The particular advantage of the invention is that depending on the required height of the system the number of compensating rings can be chosen in a suitable way. In the smallest possible variant the anchoring part is placed directly on the connecting part. If a larger height is to be overcome, compensating rings are inserted in the required number between the connecting part and the anchoring part. In this way only three different components need to be stored for the flexible section, thus simplifying handling and reducing manufacturing costs. As a result of the preferably elastic arrangement of the rings it is possible to compensate not only the displacement in the axial direction, but also to absorb and compensate displacements in other directions. The arrangement in accordance with the invention permits providing an angular displacement between the anchoring part and the connecting part in the case of an incline.
It is particularly favorable when the connecting part comprises at its upper end at least one holding claw which is intended to engage in a respective recess of the anchoring part or the compensating ring. Since it is possible in this way to connect in a captive manner the connecting part and the anchoring part located above the same or, optionally, the compensating ring, the mounting is simplified to a considerable extent. It is possible to produce the connection between the individual rings by latching. It is similarly possible to produce a connection by rotation in the manner of a bayonet catch.
It is provided in a particularly preferred embodiment that a plate-shaped, upwardly facing extension is provided integrally on the outer circumference of the anchoring part. In this way the anchoring part is securely embedded in the ambient soil and can follow the respective movements in an unobstructed way.
A particularly favorable connection of the compensating rings among one another or with the anchoring part is achieved in such a way that the compensating ring is provided in its upper area with two concentric grooves.
Solutions are known in which the frame part, i.e. the uppermost component in which the shaft cover is embedded, is provided with an anchoring ring which is provided with a ' design so as to be flush with the road surface. It has proved to be particularly more appropriate; however, when the anchoring ring is anchored slightly below the road surface and is thus encompassed on all sides by the road surfacing and is held by the same.
In order to enable the easiest possible raising of the shaft cover after the application of an additional road surfacing layer, it may be provided in particular that an intermediate ring is provided which is designated to be placed on the frame part and that the intermediate ring is provided with an outwardly extending anchoring ring. Within the terms of the invention it is possible that intermediate rings of different thickness can be provided. Depending on the thickness of the additionally applied road surfacing, one or several intermediate rings are inserted in order to raise the shaft cover accordingly.
The penetration of soil or stones into the mutually movable parts can securely be prevented by providing a bellows. The compensating rings can represent a reinforcement of the bellows in such a solution and support the same against the soil. It is also possible to reinforce the bellows per se by inserted steel rings. In another possible variant a foil encompassing the rings can form the protection against the penetration of foreign bodies.
The invention is now explained in closer detail by reference to the enclosed drawings, wherein:
Fig. 1 shows a sectional view of a device in accordance with the invention in the installed state;
Fig. 2 shows an exploded view of the individual components of the device in accordance with the invention;
Fig. 3 shows a view of an embodiment of an intermediate ring from above;
Fig. 4 shows a sectional view along line IV-IV in Fig.
3;
Fig. 5 shows a further embodiment of the invention in a sectional view;
Figs. 6 through 8 show sectional views which explain the function of the invention.
An upper frame part 1 is configured for receiving a cover not exhibited in Fig. 1. The frame part 1 rests on an anchoring part 20 which is provided with two concentric ring sections 21 between which a ring-shaped recess 22 is formed. A plate-shaped, radially outwardly facing extension 23 is used for supporting the anchoring part 20 against the ambient road foundation 10b, i.e. the subgrade. A compensating ring 30 is arranged below the anchoring part 20, which compensating ring is provided analogously with two ring sections 31 between which a ring-shaped recess 32 is formed. A ring section 41 of a connecting part 40 engages in said recess 32, which connecting part rests on a partly shown shaft ring 50.
In order to avoid deinstalling the frame part 1 during the application of an additional road surfacing 11, an intermediate ring 9 is provided which can be inserted into the frame part 1. If necessary, a second, thinner intermediate ring 9a can be inserted in addition so as to achieve a precise leveling with the road surface 51.
Fig. 2 shows the individual components of the device in accordance with the invention in an exploded view on an enlarged scale. The anchoring part 1 comprises an anchoring ring 15 approximately in the center of its outer _ 7 _ circumference, which anchoring ring is equipped with breakthroughs 16 and forms the retaining element within the terms of the present invention. This ensures a secure hold of the anchoring part 1 in the ambient road surfacing 10a.
Furthermore, Fig. 2 shows in the upper part next to the described intermediate rings 9 and 9a a further intermediate ring 9b of a different height. Since it is not possible due to the low height of the intermediate rings 9a and 9b to form the recess for the receiver of the cover as in ring 9, spacer rings 9aa and 9bb are provided which have the same height as rings 9a and 9b and which are placed on the rest for the sewer cover.
If the heights of the intermediate rings are chosen with 2, 3 and 7 cm for example it is possible to cover with merely two intermediate rings at distances of 1 cm any height of the additional road surfacing in the usual range of 2 cm to 10 cm or more. Despite the possibility of adaptation to all possible situations it is possible to minimize the required stock in store.
The connecting part 40 comprises a holding claw 42 at the upper end of its ring section 41. Claw 42 engages in a respective recess 34 in a ring section 31 of the compensating ring 30. In installation cases without the compensating ring 30 the claw 42 engages in a recess 24 of a ring section 21 of the anchoring part 20.
A centering ring 46 is attached in the lower region of the connecting part 40 in order to ensure a secure fit on the shaft ring 50. An outwardly projecting part 47 is used to receive the soil pressure in order to keep the connecting part 40 in its position.
_ g _ It is further shown in Fig. 2 that in the upper part of the compensating ring 30 there are recesses 35 in order to receive the ends of the ring sections 21 of the anchoring part 20.
Figs. 3 and 4 show an embodiment of an intermediate ring which is designated with 9a'. The difference to the intermediate ring 9a of Fig. 2 is that retaining projections 59 are provided on the outer circumference in order to improve the anchoring of the intermediate ring 9a'.
Fig. 5 shows an embodiment of the invention in which a bellows 4 is provided between the frame part 1 with a bearing ring 3 and a connecting part 6. The bellows 4 is composed of truncated sections which show a sequence in alternating orientation and are reinforced by steel rings 5. Compensating rings which are not shown in Fig. 5 can be provided within the bellows 4. The entry of foreign bodies can be securely prevented by the bellows 4. Reference numeral 2 indicates a shaft cover and numeral 7 indicates holding brackets.
Figs. 6 through 8 explain the mode of operation of the present invention. Fig. 6 shows the state of an arrangement consisting of an anchoring part 20, a compensating ring 30 and a connecting part 40 where said parts are pushed far into one another. The compensating ring 30 is fixedly held by the anchoring part 20 in such a way that a claw 36 of the compensating ring 30 rests on a stop 28 of the anchoring part 20, so that both parts 20 and 30 are rigidly connected with one another. The connecting part 40 is pushed far into the compensating ring 30 and claw 42 is distanced from a stop 38 of the compensating ring 30. Fig. 7 shows in a mirrored view the opposite situation in which the individual part are pulled as far apart as possible. In contrast to Fig. 6 the claw 42 of connecting part 40 rests on the stop 38 of the compensating ring 30.
Fig. 8 shows that an inclined position of the anchoring part 20 as compared with the connecting part 40 is possible. A
situation is shown in which no compensating ring is used. The left half of Fig. 8 shows that the anchoring part 20 is in a maximally lowered state, so that the same rests directly on the connecting part 40 in the lower zone of the stop 28. At the opposite side, however, claw 42 and the stop 28 are in engagement . In this way an inclination angle ~ of 5 ° and more can be achieved in the embodiment of Fig. 8.
The device in accordance with the invention allows producing a shaft frame at low cost which is always flush with the road surface. The device can be mounted quickly and cost-effectively and can be adjusted in a similarly quick and cost-effective manner to any new road surfacing level when a repair or renewal of the road surfacing is performed. The present invention is suitable both for the new construction as well as the improvement of existing shafts.
Since the actual frame part 1 is mounted only immediately before the application of the road surfacing, a simple compaction of the grading material is possible, with the anchoring part 20 being substantially flush with the surface of the road foundation. The operation of the respective vibrators or rollers is therefore practically not limited by the sewer holes. The device in accordance with the invention is waterproof, frost- and heat-resistant and is comparatively light in weight.
Fig. 4 shows a sectional view along line IV-IV in Fig.
3;
Fig. 5 shows a further embodiment of the invention in a sectional view;
Figs. 6 through 8 show sectional views which explain the function of the invention.
An upper frame part 1 is configured for receiving a cover not exhibited in Fig. 1. The frame part 1 rests on an anchoring part 20 which is provided with two concentric ring sections 21 between which a ring-shaped recess 22 is formed. A plate-shaped, radially outwardly facing extension 23 is used for supporting the anchoring part 20 against the ambient road foundation 10b, i.e. the subgrade. A compensating ring 30 is arranged below the anchoring part 20, which compensating ring is provided analogously with two ring sections 31 between which a ring-shaped recess 32 is formed. A ring section 41 of a connecting part 40 engages in said recess 32, which connecting part rests on a partly shown shaft ring 50.
In order to avoid deinstalling the frame part 1 during the application of an additional road surfacing 11, an intermediate ring 9 is provided which can be inserted into the frame part 1. If necessary, a second, thinner intermediate ring 9a can be inserted in addition so as to achieve a precise leveling with the road surface 51.
Fig. 2 shows the individual components of the device in accordance with the invention in an exploded view on an enlarged scale. The anchoring part 1 comprises an anchoring ring 15 approximately in the center of its outer _ 7 _ circumference, which anchoring ring is equipped with breakthroughs 16 and forms the retaining element within the terms of the present invention. This ensures a secure hold of the anchoring part 1 in the ambient road surfacing 10a.
Furthermore, Fig. 2 shows in the upper part next to the described intermediate rings 9 and 9a a further intermediate ring 9b of a different height. Since it is not possible due to the low height of the intermediate rings 9a and 9b to form the recess for the receiver of the cover as in ring 9, spacer rings 9aa and 9bb are provided which have the same height as rings 9a and 9b and which are placed on the rest for the sewer cover.
If the heights of the intermediate rings are chosen with 2, 3 and 7 cm for example it is possible to cover with merely two intermediate rings at distances of 1 cm any height of the additional road surfacing in the usual range of 2 cm to 10 cm or more. Despite the possibility of adaptation to all possible situations it is possible to minimize the required stock in store.
The connecting part 40 comprises a holding claw 42 at the upper end of its ring section 41. Claw 42 engages in a respective recess 34 in a ring section 31 of the compensating ring 30. In installation cases without the compensating ring 30 the claw 42 engages in a recess 24 of a ring section 21 of the anchoring part 20.
A centering ring 46 is attached in the lower region of the connecting part 40 in order to ensure a secure fit on the shaft ring 50. An outwardly projecting part 47 is used to receive the soil pressure in order to keep the connecting part 40 in its position.
_ g _ It is further shown in Fig. 2 that in the upper part of the compensating ring 30 there are recesses 35 in order to receive the ends of the ring sections 21 of the anchoring part 20.
Figs. 3 and 4 show an embodiment of an intermediate ring which is designated with 9a'. The difference to the intermediate ring 9a of Fig. 2 is that retaining projections 59 are provided on the outer circumference in order to improve the anchoring of the intermediate ring 9a'.
Fig. 5 shows an embodiment of the invention in which a bellows 4 is provided between the frame part 1 with a bearing ring 3 and a connecting part 6. The bellows 4 is composed of truncated sections which show a sequence in alternating orientation and are reinforced by steel rings 5. Compensating rings which are not shown in Fig. 5 can be provided within the bellows 4. The entry of foreign bodies can be securely prevented by the bellows 4. Reference numeral 2 indicates a shaft cover and numeral 7 indicates holding brackets.
Figs. 6 through 8 explain the mode of operation of the present invention. Fig. 6 shows the state of an arrangement consisting of an anchoring part 20, a compensating ring 30 and a connecting part 40 where said parts are pushed far into one another. The compensating ring 30 is fixedly held by the anchoring part 20 in such a way that a claw 36 of the compensating ring 30 rests on a stop 28 of the anchoring part 20, so that both parts 20 and 30 are rigidly connected with one another. The connecting part 40 is pushed far into the compensating ring 30 and claw 42 is distanced from a stop 38 of the compensating ring 30. Fig. 7 shows in a mirrored view the opposite situation in which the individual part are pulled as far apart as possible. In contrast to Fig. 6 the claw 42 of connecting part 40 rests on the stop 38 of the compensating ring 30.
Fig. 8 shows that an inclined position of the anchoring part 20 as compared with the connecting part 40 is possible. A
situation is shown in which no compensating ring is used. The left half of Fig. 8 shows that the anchoring part 20 is in a maximally lowered state, so that the same rests directly on the connecting part 40 in the lower zone of the stop 28. At the opposite side, however, claw 42 and the stop 28 are in engagement . In this way an inclination angle ~ of 5 ° and more can be achieved in the embodiment of Fig. 8.
The device in accordance with the invention allows producing a shaft frame at low cost which is always flush with the road surface. The device can be mounted quickly and cost-effectively and can be adjusted in a similarly quick and cost-effective manner to any new road surfacing level when a repair or renewal of the road surfacing is performed. The present invention is suitable both for the new construction as well as the improvement of existing shafts.
Since the actual frame part 1 is mounted only immediately before the application of the road surfacing, a simple compaction of the grading material is possible, with the anchoring part 20 being substantially flush with the surface of the road foundation. The operation of the respective vibrators or rollers is therefore practically not limited by the sewer holes. The device in accordance with the invention is waterproof, frost- and heat-resistant and is comparatively light in weight.
Claims (8)
1. A device for arranging shaft covers and the like, comprising an upper frame part (1) which is configured for receiving a cover, and with a connecting part (40) which is movable relative to the upper frame part (1), with an anchoring part (20) and one or several compensating rings (30) being inserted in the mounted state between the connecting part (40) and the frame part (1) and with the anchoring part (20) and the compensating ring (30) each being provided with a ring-shaped groove (22, 32) into which the respective adjacent part (20, 22, 32, 40) can be inserted in order to produce a connection which permits displacements, characterized in that retaining elements for anchoring in the surrounding roadway covering (10, 11) are provided on the frame part (1), the compensating rings (30) consist overall of an elastically deformable material and the connection between the anchoring part (20), the connecting part (40) and the compensating rings (30) is secured by holding claws (36, 42) which are designated to engage in respective recesses of the respectively adjacent part (20, 22, 32, 40) in such a way that said parts are captively connected with one another.
2. A device according to claim 1, characterized in that a preferably upwardly facing plate-like projection (23) is integrally attached to the outer circumference of the anchoring part (20).
3. A device according to one of the claims 1 or 2, characterized in that the compensating ring (30) is provided in its upper zone with two concentric grooves (35) and latching elements.
4. A device according to one of the claims 1 to 3, characterized in that the upper frame part (1) is provided with an outwardly extending anchoring ring (15) approximately in the center of its outer circumference.
5. A device according to one of the claims 1 to 4, characterized in that an intermediate ring (9, 9a, 9b) is provided which is designated to be placed on the frame part (1) and the intermediate ring (9, 9a, 9b) is provided with an outwardly extending anchoring ring (29).
6. A device according to one of the claims 1 to 5, characterized in that a flexible member in the form of a bellows (4) is provided between the connecting part (1) and the frame part (40), which bellows is preferably provided with reinforcements (5) in the circumferential direction.
7. A device as claimed in claim 6, characterized in that the bellows (4) is substantially composed of truncated sections which show a sequence in alternating orientation.
8. A device as claimed in one of the claims 6 or 7, characterized in that steel rings (5) are inserted for reinforcement in the zones of the largest diameter of the bellows (4).
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA623/98 | 1998-04-09 | ||
| AT62398A AT406277B (en) | 1998-04-09 | 1998-04-09 | DEVICE FOR THE STORAGE OF MANHOLE COVERS AND THE LIKE |
| ATA2108/98 | 1998-12-17 | ||
| AT210898A AT409149B (en) | 1998-12-17 | 1998-12-17 | Device for mounting manhole covers |
| PCT/AT1999/000089 WO1999053148A1 (en) | 1998-04-09 | 1999-04-08 | Device for arranging shaft covers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2327298A1 true CA2327298A1 (en) | 1999-10-21 |
Family
ID=25593381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002327298A Abandoned CA2327298A1 (en) | 1998-04-09 | 1999-04-08 | Device for arranging shaft covers |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1070176A1 (en) |
| JP (1) | JP2002511539A (en) |
| CN (1) | CN1296540A (en) |
| AU (1) | AU3126599A (en) |
| CA (1) | CA2327298A1 (en) |
| HU (1) | HUP0102591A3 (en) |
| TR (1) | TR200002836T2 (en) |
| WO (1) | WO1999053148A1 (en) |
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| CN106948461A (en) * | 2017-05-05 | 2017-07-14 | 王鲁平 | Integrated wellhead module device and modular multifunctional inspection shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT410110B (en) | 1999-04-23 | 2003-02-25 | Haar Egon Dipl Ing Dr | DILATION EQUALIZATION DEVICE FOR COMPENSATING RELATIVE HEIGHT SHIFTS BETWEEN A FLOOR AND A FRAME SHUTTER SHOCK AN INSTALLATION |
| AT409875B (en) * | 2000-10-31 | 2002-12-27 | Peter Hagen | DEVICE FOR COVERING SHAFTS |
| WO2004085750A1 (en) * | 2003-03-25 | 2004-10-07 | Aco Severin Ahlmann Gmbh & Co. Kg | Shaft cover and method for the assembly thereof |
| FR2907142B1 (en) * | 2006-10-13 | 2010-01-01 | Norinco | REHEARSABLE ROAD DEVICE |
| DE102016102555A1 (en) * | 2016-02-15 | 2017-08-17 | R-ways GmbH Ingenieurgesellschaft für Flughafenplanung | Road construction arrangement and method for producing a road construction arrangement |
| CN109056977B (en) * | 2018-09-05 | 2021-01-05 | 云南正浩建设工程有限公司 | Municipal square drainage device |
| JP7362106B2 (en) * | 2019-08-13 | 2023-10-17 | 吉佳エンジニアリング株式会社 | Manhole rehabilitation structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7414696L (en) * | 1974-11-22 | 1976-04-26 | Lundbergs Fab Ab N | PROCEDURE AND DEVICE FOR DESIGNATION OF GROUND OR PIPE WELLS SUBMITTED IN GROUND OR FLOOR |
| CH601582A5 (en) * | 1976-06-14 | 1978-07-14 | Hermann H Hausheer | Shaft top for drainage system |
| SE443822B (en) | 1981-05-29 | 1986-03-10 | Oscar Sven Arntyr | SETTING AND DEVICE AT DAYWATER AND DESTRUCTURING SOURCES TO LIMIT LOCAL VARIATIONS IN THE MARKNIVA WITH A SOURCE DESCRIPTION WITH A PLAN |
| GB2194981A (en) | 1986-09-06 | 1988-03-23 | Press Const Ltd | Service chamber for underground stopcock housing |
| US5044818A (en) * | 1990-07-24 | 1991-09-03 | Pritchard Phillip C | Adjustable manhole cover assembly |
-
1999
- 1999-04-08 AU AU31265/99A patent/AU3126599A/en not_active Abandoned
- 1999-04-08 WO PCT/AT1999/000089 patent/WO1999053148A1/en not_active Application Discontinuation
- 1999-04-08 CN CN99804874.7A patent/CN1296540A/en active Pending
- 1999-04-08 EP EP99912959A patent/EP1070176A1/en not_active Withdrawn
- 1999-04-08 TR TR2000/02836T patent/TR200002836T2/en unknown
- 1999-04-08 HU HU0102591A patent/HUP0102591A3/en unknown
- 1999-04-08 CA CA002327298A patent/CA2327298A1/en not_active Abandoned
- 1999-04-08 JP JP2000543686A patent/JP2002511539A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948461A (en) * | 2017-05-05 | 2017-07-14 | 王鲁平 | Integrated wellhead module device and modular multifunctional inspection shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| AU3126599A (en) | 1999-11-01 |
| JP2002511539A (en) | 2002-04-16 |
| CN1296540A (en) | 2001-05-23 |
| HUP0102591A2 (en) | 2002-01-28 |
| HUP0102591A3 (en) | 2002-02-28 |
| EP1070176A1 (en) | 2001-01-24 |
| TR200002836T2 (en) | 2001-02-21 |
| WO1999053148A1 (en) | 1999-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |