Foundation pit leveling device, leveling method and elevator system

Abstract

The application provides a pit leveling device, a leveling method and an elevator system for an elevator. The pit leveling device comprises a base having a supporting part and a plurality of supporting legs, the plurality of supporting legs being detachably arranged below the supporting part; a plurality of lifting devices arranged below the supporting part and lifting the supporting part away from at least part of the supporting legs during the lifting movement; and a height compensation member detachably arranged at the gap between the supporting part and at least part of the supporting legs lifted away by the lifting devices. Such an arrangement can make corresponding adjustments according to the actual levelness of the pit at the elevator installation site, thereby ensuring the levelness of the pit and further providing a horizontal and reliable installation foundation for the entire shaft frame assumed on the pit.

Description

Technical Field

[0001] This application relates to the field of elevators, and more specifically, to a pit leveling device and a leveling method for an elevator system. Background Technology

[0002] Passenger transport devices are common in daily life as tools to improve passenger movement between floors or shorten walking distances. As an example, elevators, often used in residential buildings between floors of commercial buildings, are particularly prevalent.

[0003] For buildings equipped with elevator systems, dedicated shafts and pits are typically installed during the initial construction phase, with elevator components fabricated and assembled on-site later in the construction process. In addition, a modular elevator has been proposed, where most components can be fabricated and pre-assembled in a factory, requiring only minor on-site fabrication for installation. A typical application scenario for this type of modular elevator is the retrofitting of elevators into older residential buildings. Since these residential areas are already completed, using conventional on-site elevator fabrication and assembly processes can cause significant inconvenience for users. Modular elevators can greatly alleviate this problem.

[0004] In the application of modular elevators, the assembly of multiple modules needs to be completed on-site. This on-site stacking and assembly of multiple elevator modules, ensuring they remain perpendicular to the horizontal plane, lays the foundation for the stability of the elevator system and also places high demands on the installers. Summary of the Invention

[0005] This application aims to provide a pit leveling device to improve the levelness of elevators assembled on site.

[0006] To achieve at least one objective of this application, according to one aspect of this application, a pit leveling device for an elevator is provided, comprising: a base having a support portion and a plurality of legs, the plurality of legs being detachably disposed below the support portion; a plurality of lifting devices disposed below the support portion and, during upward movement, jacking the support portion away from at least a portion of the legs; and a height compensation member detachably disposed at the gap between the lifting devices jacking the support portion away from at least a portion of the legs.

[0007] In addition to one or more of the features described above, or as an alternative, in another embodiment, the support includes a plurality of peripheral edges forming its outer periphery, with each of the legs arranged at the intersection of adjacent peripheral edges.

[0008] In addition to one or more of the features described above, or as an alternative, in another embodiment, each of the lifting devices is disposed near the foot below the outer peripheral edge of the support.

[0009] In addition to one or more of the features described above, or as an alternative, in another embodiment, each of the lifting devices is disposed below the non-adjacent outer peripheral edge, and the lifting devices are disposed close to the two legs supporting the outer peripheral edge.

[0010] In addition to one or more of the features described above, or as an alternative, in another embodiment, the support portion is configured as a rectangle; wherein, a pair of lifting devices are respectively provided below the two mutually symmetrical outer peripheral edges of the rectangle, and the pair of lifting devices are respectively provided close to the two legs supporting the outer peripheral edges.

[0011] In addition to one or more of the features described above, or as an alternative, in another embodiment, each of the lifting devices is disposed at the midpoint between adjacent legs below the outer peripheral edge of the support.

[0012] In addition to one or more of the features described above, or as an alternative, in another embodiment, the support is configured as a frame, with each beam of the frame forming the outer peripheral edge.

[0013] In addition to one or more of the features described above, or as an alternative, in another embodiment, the combined movement of the plurality of lifting devices is used to push the support upward along a point formed by one of the legs; to push the support upward along a line formed by the plurality of legs; or to push the support upward along a surface formed by all the legs.

[0014] In addition to one or more of the features described above, or as an alternative, in another embodiment, the pit leveling device further includes a leveling device disposed on the support portion of the base for indicating the levelness of the support portion.

[0015] In addition to one or more of the features described above, or as an alternative, in another embodiment, the leveling device includes a level ruler having a horizontal hollow chamber containing liquid and air bubbles.

[0016] In addition to one or more of the features described above, or as an alternative, in another embodiment, the height compensation element includes a plurality of shims.

[0017] In addition to one or more of the features described above, or as an alternative, in another embodiment, the support portion and the leg are detachably connected by a connector, and the gasket is further provided with a clearance notch for accommodating the connector; wherein the gasket is detachably disposed at the gap between the support portion and the leg via the cooperation of the clearance notch with the connector.

[0018] In addition to one or more of the features described above, or as an alternative, in another embodiment, the lifting device includes a hydraulic drive and a quadrilateral hinged linkage mechanism, wherein the quadrilateral hinged linkage mechanism includes supports disposed at a first set of opposite corners and a screw passing through a second set of opposite corners; wherein the supports support the support portion, and the rotational motion of the screw is converted into the lifting motion of the quadrilateral hinged linkage mechanism.

[0019] To achieve at least another objective of this application, according to one aspect of this application, an elevator system is provided, comprising: a pit leveling device as described above; and a modular shaft frame mounted above the leveled pit leveling device.

[0020] To achieve at least one of the objectives of this application, according to one aspect of this application, a leveling method for a pit leveling device is provided, wherein the pit leveling device includes: a base having a support portion and a plurality of legs; a plurality of lifting devices disposed below the support portion; and a height compensation member, wherein the leveling method includes: placing the legs and the support portion in a state where relative movement is possible; using the lifting devices to push the support portion away from at least a portion of the legs; and arranging the height compensation member at the gap between the support portion and the legs.

[0021] In addition to one or more of the features described above, or as an alternative, in another embodiment, the support portion includes multiple peripheral edges forming its outer periphery, with each of the legs arranged at the intersection of adjacent peripheral edges. The leveling method further includes: when adjusting the single-point level of the pit leveling device, using the lifting device to lift the support portion away from a single leg and arranging the height compensation element in the gap between the support portion and the single leg; when adjusting the linear level of the pit leveling device, using the lifting device to lift the support portion away from multiple legs and arranging the height compensation element in the gap between the support portion and the multiple legs; or when adjusting the overall height of the pit leveling device, using the lifting device to lift the support portion away from all the legs and arranging the height compensation element in the gap between the support portion and all the legs.

[0022] According to the pit leveling device, leveling method, and elevator system of this application, a base with components capable of relative movement is provided, and a lifting device drives the relative movement between the components of the base, followed by the addition of height compensation components for compensation. This arrangement allows for adjustments to be made at the elevator installation site based on the actual levelness of the pit, thereby ensuring the levelness of the pit and providing a level and reliable installation foundation for the entire hoistway frame assumed on the pit. This arrangement is particularly advantageous for modular elevators or elevator retrofits. In such cases, the levelness of the entire elevator system is extremely important for its structural stability, thus the simple and efficient leveling operation provided by the pit leveling device is of even greater significance. Attached Figure Description

[0023] Figure 1 This is a perspective view of one embodiment of a pit leveling device for an elevator system.

[0024] Figure 2 yes Figure 1 The diagram shows a perspective view of one embodiment of the lifting device of the pit leveling device.

[0025] Figure 3 yes Figure 1 The diagram shows a perspective view of an embodiment of the arrangement of the height compensation components of the pit leveling device.

[0026] Figure 4 This is a schematic diagram of one embodiment of a pit leveling device applied to an elevator system. Detailed Implementation

[0027] The present application will now be described in detail with reference to exemplary embodiments shown in the accompanying drawings. However, it should be understood that the present application may be implemented in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided herein to make the disclosure of the present application more complete and similar, and to fully convey the concept of the present application to those skilled in the art.

[0028] Furthermore, for any single technical feature described or implied in the embodiments mentioned herein, or any single technical feature shown or implied in the various figures, this application still allows for any combination or deletion of these technical features (or their equivalents) without any technical obstacle, thereby obtaining more other embodiments of this application that may not be directly mentioned herein.

[0029] This application is hereby combined with the appendix Figure 1-4 This example illustrates the pit leveling device and its application scenarios within elevator systems. Specifically, Figures 1 to 3 The structure and construction of the pit leveling device are shown in either an overall schematic diagram or a partial schematic diagram. Figure 4 This roughly illustrates its application scenarios in elevator systems. The details will be explained below.

[0030] See Figures 1 to 3 The pit leveling device 100 is applied within the pit layout of an elevator system and generally comprises three parts: a base 110, a lifting device 120, and a height compensation component 130. The base 110 has a support portion 111 and multiple legs 112, and is positioned within the pit in the application scenario. The support portion 111 of the base 110 supports the modular hoistway frame to be erected on it, while the multiple legs 112 are detachably supported between the support portion 111 and the pit, serving as the objects for height adjustment.

[0031] Multiple lifting devices 120 can be configured, all of which are located below the support portion 111. Thus, by driving the lifting movement of one or more of them, the leveling of the support portion at different angles, orientations, and degrees can be achieved. Specifically, each lifting device 120 can function when the support leg 112 and the support portion 111 are in a detachable state where relative movement is possible, so as to push the corresponding support leg 112 away from the support portion 111.

[0032] The height compensation component 130 exists as a separately configured part. In the initial state, the support portion 111 of the base and the multiple legs 112 can be securely connected to each other, and the height compensation component 130 is not required at this time. However, in actual application scenarios, when the level needs to be adjusted due to factors such as the inclination of the site, the height compensation component 130 can be inserted into these gaps after partially or completely disassembling the assembly of the support portion 111 and the multiple legs 112, and then using a lifting device to raise them to a position where there is a certain gap between them. This allows the entire structure to re-establish a stable and reliable connection.

[0033] According to the pit leveling device of this application, a base with components capable of relative movement is provided, and a lifting device drives the relative movement between the components of the base, followed by the addition of height compensation components for compensation. This arrangement allows for adjustments to be made at the elevator installation site based on the actual levelness of the pit, thereby ensuring the levelness of the pit and providing a level and reliable installation foundation for the entire hoistway frame assumed on the pit. This arrangement is particularly advantageous for modular elevators or elevator retrofits. In such cases, the levelness of the entire elevator system is extremely important for its structural stability, thus the simple and efficient leveling operation provided by the pit leveling device is of even greater significance.

[0034] The following section will continue to describe the structure and connection relationships of the various components of the pit leveling device. Furthermore, for further improvements in reliability, practicality, economy, or other aspects, additional components may be added, as illustrated below.

[0035] For example, the support portion 111 includes multiple outer peripheral edges forming its outer peripheral contour, and each leg 112 is arranged at the intersection of adjacent outer peripheral edges. Figure 1 For example, in this case, the support 111 is configured as a rectangular frame 111, and the four beams 111a, 111b, 111c, and 111d of the frame 111 are the outer peripheral edges, which together form the outer perimeter of the rectangular frame 111. The four legs 112a, 112b, 112c, and 112d are detachably mounted on each corner of the rectangular frame 111. At this time, by adjusting the legs 112 to be movably connected to the rectangular frame 111, for example by tightening bolts to create a space between them, and then pushing the rectangular frame 111 with a lifting device, the adjustment of the rectangular frame 111 can be achieved.

[0036] In application, it is typically desirable to be able to adjust the rectangular frame 111 at points, lines, or surfaces. Specifically, point adjustment of the frame can be achieved by combining the movements of multiple lifting devices 120 to push the support portion 111 upward along a point formed by a single support leg 112. Line adjustment of the frame can be achieved by combining the movements of multiple lifting devices 120 to push the support portion 111 upward along a line formed by multiple support legs 112. Alternatively, surface adjustment of the frame can be achieved by combining the movements of multiple lifting devices 120 to push the support portion 111 upward along a surface formed by all the support legs 112. With this arrangement, various levelsing techniques can be performed on the rectangular frame.

[0037] To achieve the aforementioned different leveling functions, several exemplary lifting device arrangements are provided below.

[0038] For example, see Figure 1 Below the two mutually symmetrical beams 111a and 111c of the rectangular frame 111, a pair of lifting devices 120a, 120b, 120c, and 120d are respectively provided. Among them, the pair of lifting devices 120a and 120b are respectively located near the two supports 112a and 112b supporting the beam 111a, and the pair of lifting devices 120c and 120d are respectively located near the two supports 112c and 112d supporting the beam 111c.

[0039] At this time, if only one corner of the rectangular frame 111 is below the horizontal plane, for example, the intersection of beam 111a and beam 111d is below the horizontal plane, the corner of the frame 111 can be lifted away from the support leg 112a by driving the lifting device 120a until the entire frame is in a horizontal state. Then, a height compensation component is arranged in the gap between the support leg 112a and the corner of the frame 111 so that the frame is stably kept at the horizontal level.

[0040] If one side of the rectangular frame 111 is below the horizontal plane, for example, the entire beam 111a is below the horizontal plane, the lifting devices 120a and 120b can be used to lift the entire beam 111a of the frame 111 away from the supports 112a and 112b until the entire frame is in a horizontal state. Then, height compensation components are arranged in the gaps between the supports 112a and 112b and the beam 111a of the frame 111 to keep the frame stably at that level.

[0041] Furthermore, if two sides of the rectangular frame 111 are below the horizontal plane, for example, beams 111a and 111b are below the horizontal plane, the lifting devices 120a, 120b and 120c can be used to lift the two beams 111a and 111b of the frame 111 away from the supports 112a, 112b and 112c until the entire frame is in a horizontal state. Then, height compensation components are arranged in the gaps between the supports 112a, 112b and 112c and the beams 111a and 111b of the frame 111 to keep the frame stably at the horizontal level.

[0042] Alternatively, when the entire rectangular frame 111 is below the set height in the pit, all beams 111a, 111b, 111c, and 111d of the frame 111 can be lifted away from all supports 112a, 112b, 112c, and 112d by simultaneously driving all lifting devices 120a, 120b, 120c, and 120d until the entire frame is at the preset height and reaches a horizontal state. Then, height compensation components are arranged at the gaps between the supports 112a, 112b, 112c, and 112d and the beams 111a, 111b, 111c, and 111d of the frame 111, so that the frame is stably maintained at that height and level.

[0043] Furthermore, as an embodiment not shown in the figures, there are several modifications to the lifting device. For example, each lifting device can be positioned near the support leg under the beam of the supporting portion. For instance, lifting device 120a remains positioned near the support leg 112a under the beam 111a, while lifting device 120b is positioned near the support leg 112a under the beam 111b. This achieves a similar leveling effect.

[0044] For example, when the support has an asymmetrical outer periphery or an outer periphery with more than four outer periphery edges, in order to achieve a similar leveling effect, each lifting device can be set below the non-adjacent outer periphery edges of the support, and the lifting devices can also be set close to the two legs of the outer periphery of the support.

[0045] Alternatively, the lifting devices can be modified to be positioned in the middle between adjacent support legs, below the outer edge of the support. This achieves a similar leveling effect.

[0046] It should be understood that the foregoing embodiments are provided for illustrative purposes and not for limiting purposes. For example, although the foregoing embodiments with reference to the accompanying drawings all use rectangular frames as examples, they are only provided for ease of fabrication and to accommodate elevator shaft outlines. Those skilled in the art will understand that the aforementioned support portion is neither necessarily limited to a rectangle nor necessarily limited to a frame structure. Even with structural modifications, as long as it does not conflict with the arrangement of the lifting device proposed herein, the leveling purpose can still be achieved.

[0047] On the other hand, the pit leveling device may also be equipped with a leveling device 140 to indicate the levelness of the support 111. See also Figure 1 As an example, the leveling device may be a level 140 mounted on the support 111 of the base 110, having a horizontal hollow chamber containing liquid and air bubbles. The levelness of the support 111 can be confirmed by observing the position of the air bubbles within the horizontal hollow chamber during adjustment.

[0048] See also Figure 2 As an example, the lifting device 120 includes a hydraulic drive and a quadrilateral hinged linkage mechanism 121. The quadrilateral hinged linkage mechanism 121 includes supports 122 disposed at a first set of opposite corners and a screw 123 passing through a second set of opposite corners. The supports 122 abut against and support the support portion 111, and the rotational motion of the screw 123 is converted into the lifting motion of the quadrilateral hinged linkage mechanism 121.

[0049] Furthermore, see Figure 3 As an example of a height compensation component, it can be configured as multiple shims 130 for insertion when there is a gap between the support 111 and the leg 112. More specifically, considering that the support 111 and the leg 112 are detachably connected by a connector 150 such as a bolt, a clearance notch 131 for accommodating the connector 150 can also be provided on the shim 130. In this case, when there is a gap between the support 111 and the leg 112, the clearance notch 131 can engage with the connector 150 during the insertion of the shim 130 into the gap, thereby achieving a more stable arrangement of the shim in the gap.

[0050] See Figure 4An embodiment of an elevator system is also provided herein. This elevator system includes the pit leveling device 100 from any of the foregoing embodiments or combinations thereof, and therefore also possesses the corresponding technical effects, which will not be elaborated further here. Furthermore, the elevator system also includes a modular shaft frame 210 mounted above the leveled pit leveling device 100. In this case, the levelness of the entire elevator system is extremely important to its structural stability; therefore, the simple and efficient leveling operation provided by the pit leveling device is of even greater significance.

[0051] Furthermore, although not shown in the figures, a leveling method for the pit leveling device is also provided, thereby enabling efficient and convenient application of the pit leveling device in any of the foregoing embodiments or combinations thereof. Specifically, the method includes: placing the support leg and the support portion in a state where relative movement is possible; using a lifting device to push the support portion away from at least a portion of the support leg; and arranging a height compensation member at the gap between the support portion and the support leg.

[0052] More specifically, the method further includes: when adjusting the single-point levelness of the pit leveling device, using a lifting device to lift the support part away from a single support leg, and arranging a height compensation component in the gap between the support part and the single support leg; when adjusting the linear levelness of the pit leveling device, using a lifting device to lift the support part away from multiple support legs, and arranging a height compensation component in the gap between the support part and multiple support legs; or when adjusting the overall height of the pit leveling device, using a lifting device to lift the support part away from all support legs, and arranging a height compensation component in the gap between the support part and all support legs. By combining this pit leveling device and leveling method, leveling of the pit leveling device at different angles, ranges, and degrees can be achieved.

[0053] The above examples primarily illustrate the pit leveling device, leveling method, and elevator system of this application. Although only some embodiments of this application have been described, those skilled in the art should understand that this application can be implemented in many other forms without departing from its spirit and scope. Therefore, the examples and embodiments shown are intended to be illustrative rather than restrictive, and various modifications and substitutions may be made without departing from the spirit and scope of this application as defined by the appended claims.

Claims

1. A pit leveling device for an elevator, characterized in that, include: The base has a support portion and a plurality of legs, the plurality of legs being detachably disposed below the support portion; Multiple lifting devices are arranged below the support portion and, during the upward movement, push the support portion away from at least a portion of the legs to form a gap therebetween. as well as A height compensation component is detachably disposed at the gap between at least a portion of the legs where the lifting device pushes the support portion away from the support portion, so as to support the support portion together with the legs, thereby keeping the support portion in a horizontal state.

2. The pit leveling device of claim 1, wherein, The support includes multiple peripheral edges forming its outer periphery, with each of the legs arranged at the intersection of adjacent peripheral edges.

3. The pit leveling device of claim 2, wherein, Each of the lifting devices is located near the support leg and below the outer peripheral edge of the support portion.

4. The pit leveling device of claim 3, wherein, Each of the lifting devices is respectively located below the non-adjacent outer peripheral edge, and the lifting devices are respectively located close to the two legs supporting the outer peripheral edge.

5. The pit leveling device according to claim 4, characterized in that, The support portion is configured as a rectangle; wherein, a pair of lifting devices are respectively provided below the two mutually symmetrical outer peripheral edges of the rectangle, and the pair of lifting devices are respectively provided close to the two legs supporting the outer peripheral edges.

6. The pit leveling device according to claim 2, characterized in that, Each of the lifting devices is located at the midpoint between adjacent legs, below the outer peripheral edge of the support portion.

7. The pit leveling device according to claim 2, characterized in that, The support is configured as a frame, with each beam of the frame forming the outer peripheral edge.

8. The pit leveling device according to any one of claims 1 to 7, characterized in that, The combined movement of the plurality of lifting devices is used to push the support upward along a point formed by one of the legs; to push the support upward along a line formed by the plurality of legs; or to push the support upward along a surface formed by all the legs.

9. The pit leveling device according to any one of claims 1 to 7, characterized in that, Also includes: A leveling device is provided on the support portion of the base to indicate the levelness of the support portion.

10. The pit leveling device according to claim 9, characterized in that, The level calibration device includes a level ruler having a horizontal hollow chamber containing liquid and air bubbles.

11. The pit leveling device according to any one of claims 1 to 7, characterized in that, The height compensation component includes multiple shims.

12. The pit leveling device according to claim 11, characterized in that, The support portion and the leg are detachably connected by a connector, and the gasket is also provided with a clearance notch for accommodating the connector; wherein the gasket is detachably disposed in the gap between the support portion and the leg through the cooperation of the clearance notch and the connector.

13. The pit leveling device according to any one of claims 1 to 7, characterized in that, The lifting device includes a hydraulic drive component and a quadrilateral hinged linkage mechanism. The quadrilateral hinged linkage mechanism includes supports disposed at a first set of opposite corners and a screw passing through a second set of opposite corners. The supports support the support portion, and the rotational motion of the screw is converted into the lifting motion of the quadrilateral hinged linkage mechanism.

14. An elevator system, characterized in that, include: The pit leveling device as described in any one of claims 1 to 13; as well as A modular shaft frame is erected above the already leveled pit leveling device.

15. A leveling method for a pit leveling device, wherein, The pit leveling device includes: a base having a support portion and multiple legs; multiple lifting devices disposed below the support portion; and a height compensation component, characterized in that the leveling method includes: The support leg and the supporting part are positioned in a state where they can move relative to each other. The lifting device pushes the support portion away from at least a portion of the legs, creating a gap therebetween; and The height compensation member is arranged at the gap between the support portion and the support leg to support the support portion together with the support leg, thereby keeping the support portion in a horizontal state.

16. The leveling method according to claim 15, wherein, The support portion includes multiple outer peripheral edges forming its outer periphery, and each of the legs is arranged at the intersection of adjacent outer peripheral edges. The leveling method further includes: When adjusting the single-point levelness of the pit leveling device, the lifting device is used to push the support part away from the single support leg, and the height compensation component is arranged in the gap between the support part and the single support leg. When adjusting the levelness of the pit leveling device, the lifting device is used to push the support part away from the multiple support legs, and the height compensation component is arranged in the gap between the support part and the multiple support legs; or When adjusting the overall height of the pit leveling device, the lifting device is used to push the support part away from all the legs, and the height compensation component is arranged in the gap between the support part and all the legs.

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