Height adjusting device and method for strip-shaped foundation of old community building

By designing a strip foundation height adjustment device, and utilizing the cooperation of a transmission rack and pinion and an arc-shaped gear plate, the height of the strip foundation can be precisely adjusted, solving the problems of high construction difficulty and inflexible adjustment in the existing technology, and improving the convenience and safety of adjustment.

CN120990179APending Publication Date: 2025-11-21CHINA UNITED NORTHWEST INST FOR ENG DESIGN & RES
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Patent Information

Application Number
CN202511389752.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-26
Publication Date
2025-11-21

AI Technical Summary

Technical Problem

When using existing hydraulic jacking machines or mechanical jacking devices to adjust the height of strip foundations in the renovation of old residential areas, the construction is difficult and cannot be adjusted flexibly, affecting the building's safety and functionality.

Method used

A height adjustment device for strip foundations of old residential buildings was designed. Through the strip foundation connecting seat and height adjustment component, the device uses the cooperation of transmission rack, arc-shaped gear plate and guide platform, and the counterweight drives the transmission component to adjust the height of the strip foundation, so as to achieve precise adjustment.

Benefits of technology

Reduce construction difficulty, improve the convenience and flexibility of adjustment, ensure the stability and safety of building structure, and adapt to the needs of settlement or elevation adjustment during long-term use.

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Abstract

The invention provides a height adjusting device and method for a strip-shaped foundation of an old community building. The height adjusting device comprises a strip-shaped foundation connecting base wrapping the strip-shaped foundation, and a height adjusting piece is arranged at the position, below the strip-shaped foundation, of the strip-shaped foundation connecting base; the height adjusting piece comprises a stress base connected with the strip base connecting base, and a guide piece is arranged on the side of the stress base. The end face of the end, away from the strip-shaped foundation, of the stress base is connected with a transmission rack, the end, away from the stress base, of the transmission rack is installed in a track pipe and connected with a transmission piece installed in the track pipe, and the end, away from the transmission rack, of the transmission piece is connected with a balance weight piece. According to the height adjusting device, the strip-shaped foundation is wrapped by the strip-shaped foundation connecting base, the height adjusting piece is arranged at the bottom of the strip-shaped foundation connecting base, a worker controls the number of the balancing weights at the far end, the height of the strip-shaped foundation is adjusted, and the convenience and reliability of height adjustment of the strip-shaped foundation are improved.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of auxiliary equipment for old building reconstruction, in particular to a height adjusting device for a strip foundation of an old community building. BACKGROUND

[0002] In the process of building construction, in order to improve the bearing capacity and deformation requirements of the foundation to the wall, a strip foundation is usually arranged on the foundation to laterally expand the load of the wall or column to the soil layer where the foundation is located. In the process of reconstruction of an old community, in order to prevent the strip foundation from producing uneven deformation due to foundation settlement, soil creep or load change, resulting in wall cracking, structure tilting and other conditions, which seriously affect the safety of the building and the use function; in order to prevent the strip foundation from producing uneven deformation, an adjusting device is usually arranged below the strip foundation; the strip foundation is supported and the height is adjusted by the adjusting device, so that the height of the strip foundation is within the error range of the preset height.

[0003] At present, the commonly used adjusting device for adjusting the strip foundation is a hydraulic jacking machine or a mechanical jacking device; during the adjusting process, the staff needs to operate in the narrow space at the bottom of the building, which is difficult to construct and has stability risk, not only affecting the normal life of residents, but also difficult to realize the later fine adjustment, and cannot be flexibly adjusted during the long-term use of the building. SUMMARY

[0004] In order to solve the problems that the existing hydraulic jacking machine or mechanical jacking device is used to adjust the height of the strip foundation in the reconstruction of the old community, the construction is difficult, and the strip foundation cannot be flexibly adjusted during the long-term use of the building, the application provides a height adjusting device for a strip foundation of an old community building and a adjusting method.

[0005] To achieve the above purpose, the application provides the following technical scheme: The application provides a height adjusting device for a strip foundation of an old community building, which comprises a strip foundation connecting seat wrapped on the strip foundation, and a height adjusting member arranged below the strip foundation on the strip foundation connecting seat; The height adjusting member comprises a stress base connected with the strip foundation connecting seat, and a guide member arranged on the side of the stress base; A transmission rack is connected to the end face of one end of the stress base away from the strip foundation, the transmission rack is installed in a rail pipe at one end away from the stress base, and the transmission rack is connected with a transmission member installed in the rail pipe at one end away from the transmission rack, and a counterweight is connected to one end of the transmission member away from the transmission rack.

[0006] Preferably, the transmission member comprises a plurality of arc-shaped toothed discs and a plurality of guide tables installed in the rail pipe, and one of the arc-shaped toothed discs is engaged with the transmission rack. A reversing fitting strip corresponding to the arc-shaped toothed disc is slidably installed on each guide platform, and a rack is arranged on the reversing fitting strip and engaged with the corresponding arc-shaped toothed disc; The counterweight is connected to one of the arc-shaped toothed discs away from the driving rack in the track pipe.

[0007] Preferably, the guide platform comprises a first guide platform, a second guide platform and a third guide platform arranged in sequence from the driving rack to the counterweight; the first guide platform, the second guide platform and the third guide platform are arranged in the track pipe; A first reversing fitting strip is slidably installed on the first guide platform, a second reversing fitting strip is slidably installed on the second guide platform, and a third reversing fitting strip is slidably installed on the third guide platform; a rack is arranged on each of the first reversing fitting strip, the second reversing fitting strip and the third reversing fitting strip; a length adjusting strip is connected between the end of the second reversing fitting strip away from the first reversing fitting strip and the end of the third reversing fitting strip away from the counterweight; The arc-shaped toothed disc comprises a first arc-shaped toothed disc, a second arc-shaped toothed disc and a third arc-shaped toothed disc; The first arc-shaped toothed disc is rotatably installed in the track pipe at a position opposite to the first reversing fitting strip and the driving rack, and the first arc-shaped toothed disc is engaged with the rack on the first reversing fitting strip and the driving rack, respectively; The second arc-shaped toothed disc is installed in the track pipe at a position opposite to the first reversing fitting strip and the second reversing fitting strip, and the second arc-shaped toothed disc is engaged with the racks on the first reversing fitting strip and the second reversing fitting strip, respectively; The third arc-shaped toothed disc is installed in the track pipe, and the third arc-shaped toothed disc is engaged with the rack on the third reversing fitting strip, and the third arc-shaped toothed disc is connected to the counterweight.

[0008] Preferably, the length adjusting strip comprises a plurality of length adjusting blocks connected by hinges, wherein the length adjusting block at one end of the length adjusting strip is connected to the second reversing fitting strip by a hinge, and the length adjusting block at the other end of the length adjusting strip is connected to the third reversing fitting strip by a hinge.

[0009] Preferably, the counterweight comprises a remote control well fixed at a position away from the force receiving base in the track pipe, and the inside of the remote control well is in communication with the inside of the track pipe; The fourth guide table is fixed in the well, and a fourth reversing matching strip is slidably connected to the fourth guide table; a rack is arranged on the outer wall of the fourth reversing matching strip and close to the position of the track pipe; and the rack of the fourth reversing matching strip is engaged with the third arc-shaped tooth disc. A plurality of counterweights are arranged on the end of the fourth reversing matching strip away from the third arc-shaped tooth disc.

[0010] Preferably, a connecting table is arranged on the fourth reversing matching strip, and a buffer is arranged on the connecting table.

[0011] Preferably, the guide comprises first and second guide rail columns arranged in parallel, and a track groove is arranged on each of the first and second guide rail columns along the height direction thereof; a sliding block is arranged in the track groove of the first guide rail column, and a first support steel beam fixed to the stress base is connected to the sliding block. A track plate is arranged on the first support steel beam, a dovetail groove is arranged in the track plate, a dovetail table is slidably arranged in the dovetail groove, and the dovetail table is slidably arranged in the track groove arranged on the second guide rail column.

[0012] Preferably, a connecting plate is arranged on the first support steel beam, a first connecting shaft is arranged on the end of the connecting plate away from the first guide rail column, a first arc-shaped fence is connected to the first connecting shaft, a second connecting shaft is arranged on the bottom end surface of the first arc-shaped fence, and a second arc-shaped fence is arranged on the second connecting shaft.

[0013] Preferably, a first telescopic plate is arranged in the track groove of the first guide rail column, one end of the first telescopic plate is fixed to the sliding block, and the other end of the first telescopic plate is fixed to one side end of the track groove. A second telescopic plate is arranged in the track groove of the second guide rail column, one end of the second telescopic plate is fixed to the dovetail table, and the other end of the second telescopic plate is fixed to one side end of the track groove. A baffle is arranged on the stress base, and one side end surface of the baffle is attached to the side end surface of the first support steel beam located at one side end of the dovetail groove.

[0014] The application provides a height adjusting method for a building strip foundation, and uses the height adjusting device for the building strip foundation. The weight of the counterweight is set, the counterweight drives the transmission member to slide in the track pipe, the transmission member drives the transmission rack in the height adjusting member to move, the transmission rack drives the stress base to rise or fall, and the height of the strip foundation connecting base and the strip foundation in the strip foundation connecting base is adjusted.

[0015] Compared with the prior art, the application has the following beneficial technical effects: The old community building strip foundation height adjusting device provided by the present application is characterized in that a strip base connecting seat is used to cover the strip foundation, the bottom of the strip base connecting seat is provided with a height adjusting piece, the weight of a counterweight piece is controlled by a remote control worker to adjust the strip foundation, without the need of complex large equipment, the installation operation is simple, the construction difficulty and labor cost are reduced, meanwhile, with the cooperation of the transmission piece and the transmission rack and the assistance of the counterweight piece, the device can be used for a long time in the building, according to the settlement or elevation adjustment requirement of the strip foundation, the transmission rack is flexibly driven to drive the stress base and the strip foundation to lift or lower, the precise height adjustment is realized, the guiding piece ensures the stability during the adjustment process, the foundation deviation is avoided, the safety of the building structure is ensured, and the convenience, flexibility and reliability of the strip foundation height adjustment are significantly improved.

[0016] Further, the transmission piece in the height adjusting device cooperates with multiple arc-shaped toothed discs and multiple guiding tables to form a stable transmission chain, the force of the counterweight piece is accurately transmitted to drive the transmission rack to lift or lower, the fine adjustment of the height of the strip foundation is realized, and during the force transmission process, the load is dispersed by multiple components to avoid the damage of components caused by excessive stress at a single point, and the durability of the device is improved.

[0017] Further, the length adjusting piece in the height adjusting device connects multiple length adjusting blocks through the hinge piece to adapt to the angle change of the track pipe, avoid rigid connection, and avoid the transmission jamming of the transmission piece or the damage of components, so that the smooth operation of the transmission chain of the arc-shaped toothed disc and the reversing cooperation strip is ensured; meanwhile, the multiple length adjusting blocks can be flexibly adjusted in length according to the installation spacing of the transmission components in the track pipe, adapt to the requirements of different specifications of the device or construction scenes, do not need additional customized components, and reduce the use cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of the old community building strip foundation height adjusting device provided by the present application is shown in the figure; Figure 2 The side view of the old community building strip foundation height adjusting device provided by the present application is shown in the figure; Figure 3 The connection diagram of the transmission piece and the transmission rack in the old community building strip foundation height adjusting device provided by the present application is shown in the figure; Figure 4 The connection diagram of the transmission rack, the stress base and the connecting reinforcing table in the old community building strip foundation height adjusting device provided by the present application is shown in the figure; Figure 5 The connection diagram of the transmission piece and the counterweight piece in the old community building strip foundation height adjusting device provided by the present application is shown in the figure; Figure 6 Another perspective connection diagram of the transmission member and the counterweight member in the height adjusting device of the strip foundation of the old community building provided by the application; Figure 7 The connection diagram of the first guide rail column and the first support steel beam in the height adjusting device of the strip foundation of the old community building provided by the application; Figure 8 The connection diagram of the second guide rail column and the first support steel beam in the height adjusting device of the strip foundation of the old community building provided by the application; In the drawings: 1, strip base connecting seat; 2, stress base; 3, lower lining plate; 4, first guide rail column; 5, second guide rail column; 6, remote control well; 7, baffle; 8, first support rib; 9, second support rib; 10, first guide pipe; 11, first arc-shaped fence; 12, second arc-shaped fence; 13, connecting plate; 14, first connecting shaft; 15, second connecting shaft; 16, second guide pipe; 17, third guide pipe; 18, fourth guide pipe; 19, first support steel beam; 20, adjusting pipe sleeve; 21, transmission rack; 22, first clamping plate; 23, first limiting plate; 24, first arc-shaped tooth disc; 25, second arc-shaped tooth disc; 26, first guide table; 27, first reversing matching strip; 28, first sliding plate; 29, second limiting plate; 30, second clamping plate; 31, second guide table; 32, second sliding plate; 33, length adjusting block; 34, hinged member; 35, third guide table; 36, connecting reinforcing table; 37, third reversing matching strip; 38, third arc-shaped tooth disc; 39, fourth reversing matching strip; 40, counterweight block; 41, third sliding plate; 42, buffer member; 43, connecting table; 44, fourth guide table; 45, sliding block; 46, first telescopic plate; 47, second telescopic plate; 48, track plate; 49, second reversing matching strip. DETAILED DESCRIPTION

[0019] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0020] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0021] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection, or communication; it can be directly connected, or indirectly connected through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "above" and "on" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "under" and "under" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0024] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0025] The present application provides a height adjusting device for old residential building strip foundation, as shown in Figures 1-8As shown, the height adjustment device comprises a strip base connecting seat 1 wrapped around the strip base, and the strip base connecting seat 1 is a U-shaped structure wrapped around the bottom end face of the strip base and the length direction of the long side of the strip base. A height adjustment member is arranged on the bottom end face of the strip base connecting seat 1 and is located below the strip base. The height adjustment member comprises a force receiving base 2 connected to the bottom end face of the strip base connecting seat 1, and a guide member is arranged on the side of the force receiving base 2. The movement direction of the force receiving base 2 is limited by the guide member, so that the force receiving base 2 slides along the preset track. A transmission rack 21 is connected to the end face of the force receiving base 2 away from the strip base, that is, the transmission rack 21 is arranged on the bottom end face of the force receiving base 2, and the extension direction of the transmission rack 21 is perpendicular to the bottom end face of the force receiving base 2. One end of the transmission rack 21 away from the force receiving base 2 is installed in the track pipe and is connected to a transmission member installed in the track pipe. One end of the transmission member away from the transmission rack 21 is connected to a counterweight. The height adjustment device adjusts the height of the strip base by changing the total weight of the counterweight. The counterweight drives the transmission member to adjust the transmission rack 21 to rise or fall. The transmission rack 21 pushes or pulls the strip base connecting seat 1 to rise or fall, thereby adjusting the height of the strip base. During the adjustment process, the worker at the far end can adjust the height of the strip base by controlling the weight of the counterweight. The adjustment is convenient and safe.

[0026] Preferably, a connecting reinforcing table 36 is arranged on the top end of the transmission rack 21. The top end face of the connecting reinforcing table 36 is fixed to the bottom end face of the force receiving base 2. The connecting reinforcing table 36 increases the connection stability and strength of the transmission rack 21 and the force receiving base 2, thereby improving the stability of the height adjustment device.

[0027] As shown in Figures 1-3 , Figure 5 and Figure 6 , the transmission member comprises a plurality of arc-shaped toothed discs and a plurality of guide tables installed in the track pipe. One of the arc-shaped toothed discs is engaged with the transmission rack 21. The track pipe comprises a first guide pipe 10, a second guide pipe 16, a third guide pipe 17 and a fourth guide pipe 18. The first guide pipe 10, the second guide pipe 16, the third guide pipe 17 and the fourth guide pipe 18 are sequentially connected end to end to form a track pipe in communication. One end of the first guide pipe 10 away from the second guide pipe 16 is connected to one end of an adjusting pipe sleeve 20. The other end of the adjusting pipe sleeve 20 is fixed to the bottom end face of the force receiving base 2. The transmission rack 21 is installed in the adjusting pipe sleeve 20. When the height of the force receiving base 2 is raised, the adjusting pipe sleeve 20 is elongated. When the height of the force receiving base 2 is lowered, the adjusting pipe sleeve 20 is shortened. The counterweight is connected to the end of the fourth guide pipe 18 away from the third guide pipe 17. The first guide pipe 10, the second guide pipe 16, the third guide pipe 17 and the fourth guide pipe 18 can prevent the soil from entering the inside of the track pipe, avoiding affecting the work of the guide platform.

[0028] The guide platform is slidably installed with a reversing matching strip corresponding to the arc-shaped toothed disc, the reversing matching strip is provided with a rack, and the rack is engaged with the corresponding arc-shaped toothed disc; the arc-shaped toothed disc away from the transmission rack 21 in the track pipe is connected with a counterweight, when it is necessary to raise the height of the strip-shaped foundation, the weight of the counterweight is increased, so that the counterweight drives the arc-shaped toothed disc engaged with the counterweight to rotate, the arc-shaped toothed disc drives a reversing matching strip to move in the track pipe, the reversing matching strip drives another arc-shaped toothed disc to rotate, and the power is sequentially transmitted to the arc-shaped toothed disc close to the transmission rack 21 in the track pipe, so that the arc-shaped toothed disc rotates, the arc-shaped toothed disc drives the transmission rack 21 to move, and then the transmission rack 21 drives the stress base 2 to move, the stress base 2 drives the strip-shaped foundation to be lifted, and the height adjustment of the strip-shaped foundation is realized; when it is necessary to lower the height of the strip-shaped foundation, the weight of the counterweight is reduced, and the strip-shaped foundation and the stress base 2 drive the transmission rack 21 to move downward under the action of gravity, the transmission rack 21 drives the corresponding arc-shaped toothed disc to rotate, the arc-shaped toothed disc drives a reversing matching strip to move in the track pipe, the reversing matching strip drives another arc-shaped toothed disc to rotate, and the power is sequentially transmitted to the counterweight, so that the height of the strip-shaped foundation is lowered, and the height of the counterweight is increased.

[0029] Preferably, the bottom end face of the third guide pipe 17 is provided with a lower lining plate 3, the top end face of the lower lining plate 3 and the bottom end face of the second guide pipe 16 are provided with a first supporting rib 8, and the top end face of the lower lining plate 3 and the bottom end face of the fourth guide pipe 18 are provided with a second supporting rib 9; the stability of the connection of the second guide pipe 16 and the fourth guide pipe 18 on the lower lining plate 3 is increased through the first supporting rib 8 and the second supporting rib 9, and the stability of the track pipe is further increased, so that the transmission member can stably operate in the track pipe.

[0030] Preferably, the first guide pipe 10 is provided with a first limiting plate 23, and the outer wall of the transmission rack 21 is provided with a first clamping plate 22 close to the bottom end of the transmission rack 21; when the height of the stress base 2 is lowered to the limit position, the bottom end face of the first clamping plate 22 is attached to the top end face of the first limiting plate 23, and the lowering height of the stress base 2 is limited.

[0031] As Figure 3 and Figure 5As shown, the guide table includes a first guide table 26, a second guide table 31 and a third guide table 35; the first guide table 26, the second guide table 31 and the third guide table 35 are sequentially arranged in the rail pipe along the direction of the transmission rack 21 to the counterweight; that is, the first guide table 26 is arranged along the length direction of the second guide pipe 16 and is fixed in the second guide pipe 16, the second guide table 31 is arranged along the length direction of the third guide pipe 17 and is fixed in the third guide pipe 17, and the third guide table 35 is arranged along the length direction of the fourth guide pipe 18 and is fixed in the fourth guide pipe 18.

[0032] As shown in Figure 3 and Figure 5 As shown, the first guide table 26, the second guide table 31 and the third guide table 35 are all slidably connected with the first sliding plate 28, the first sliding plate 28 slidably installed on the first guide table 26 is installed with the first reversing cooperation strip 27, the first reversing cooperation strip 27 is parallel to the first guide table 26, the first sliding plate 28 slidably installed on the second guide table 31 is installed with the second reversing cooperation strip 49, the second reversing cooperation strip 49 is parallel to the second guide table 31, the first sliding plate 28 slidably installed on the third guide table 35 is installed with the third reversing cooperation strip 37, the third reversing cooperation strip 37 is parallel to the third guide table 35; the first reversing cooperation strip 27, the second reversing cooperation strip 49 and the third reversing cooperation strip 37 are all provided with racks; the end of the second reversing cooperation strip 49 away from the first reversing cooperation strip 27 and the end of the third reversing cooperation strip 37 away from the counterweight are connected with a length adjusting strip, the second reversing cooperation strip 49 and the third reversing cooperation strip 37 are connected through the length adjusting strip; in the embodiment, the first guide table 26, the second guide table 31 and the third guide table 35 all include guide edge plates, the guide edge plates are provided with guide columns, and the guide edge plates are fixed on the inner wall of the rail pipe.

[0033] The arc-shaped toothed discs include a first arc-shaped toothed disc 24, a second arc-shaped toothed disc 25 and a third arc-shaped toothed disc 38; The first arc-shaped toothed disc 24 is rotatably installed in the rail pipe at the position opposite to the first reversing cooperation strip 27 and the transmission rack 21, that is, at the connection position of the first guide pipe 10 and the second guide pipe 16, the first arc-shaped toothed disc 24 is engaged with the racks on the first reversing cooperation strip 27 and the transmission rack 21 respectively, so as to realize the power transmission between the first reversing cooperation strip 27 and the transmission rack 21; The second arc-shaped toothed disc 25 is installed in the rail pipe at the position opposite to the first reversing cooperation strip 27 and the second reversing cooperation strip 49, that is, at the connection position of the second guide pipe 16 and the third guide pipe 17, the second arc-shaped toothed disc 25 is engaged with the racks on the first reversing cooperation strip 27 and the second reversing cooperation strip 49 respectively, so as to realize the power transmission between the first reversing cooperation strip 27 and the second reversing cooperation strip 49; The third arc-shaped tooth disc 38 is installed at the position opposite to the third reversing matching strip 37 and the counterweight, i.e., the position where the fourth guide pipe 18 is connected with the counterweight, and the third arc-shaped tooth disc 38 is engaged with the toothed strip on the third reversing matching strip 37 and connected with the counterweight, so as to realize power transmission between the counterweight and the third reversing matching strip 37.

[0034] Preferably, a second limiting plate 29 is arranged on the inner wall of the third guide pipe 17 at a position close to the second guide pipe 16, and a second clamping plate 30 is arranged on the outer wall of the second reversing matching strip 49. When the second reversing matching strip 49 moves to the limit position along the second guide table 31 in the direction of the second guide pipe 16, one side end surface of the second clamping plate 30 is in contact with one side end surface of the second limiting plate 29, so that the second reversing matching strip 49 stops moving, thereby limiting the lifting height of the force-receiving base 2, avoiding the force-receiving base 2 being lifted too high, and affecting the stability of the strip foundation on the force-receiving base 2 supporting the wall.

[0035] As shown in Figure 3 and Figure 5 , the length adjusting strip includes a plurality of length adjusting blocks 33 connected by the hinge 34, i.e., in adjacent two length adjusting blocks 33, one side end surface of one length adjusting block 33 is provided with a first hinge joint, and one side end surface of the other length adjusting block 33 is provided with a second hinge joint, and the second hinge joint is connected with the first hinge joint through a rotating shaft, thereby connecting the plurality of length adjusting blocks 33 together and installing them at the opposite end positions between the third reversing matching strip 37 and the second reversing matching strip 49. The bottom end surface of each length adjusting block 33 is provided with a second sliding plate 32, and the second sliding plate 32 is slidingly installed on the second guide table 31 or the third guide table 35. The length adjusting block 33 at one end of the length adjusting strip is connected with the second reversing matching strip 49 through the hinge 34, and the length adjusting block 33 at the other end of the length adjusting strip is connected with the third reversing matching strip 37 through the hinge 34, and the distance between the third reversing matching strip 37 and the second arc-shaped tooth disc 25 can be adjusted through the length adjusting strip. In the embodiment, the second sliding plate 32 is an arc-shaped plate matched with the guide column.

[0036] As shown in Figure 1 , Figure 2 , Figure 5 and Figure 6 , the counterweight includes a remote control well 6 fixed in the track pipe at a position away from the force-receiving base 2, and the extension direction of the remote control well 6 is parallel to the extension direction of the transmission toothed strip 21, and the inside of the remote control well 6 is communicated with the inside of the track pipe, i.e., the remote control well 6 is communicated with the fourth guide pipe 18. The third arc-shaped tooth disc 38 is installed at the connecting position of the remote control well 6 and the fourth guide pipe 18, and one side end surface of the second support rib 9 is fixed on the outer wall of the remote control well 6. The fourth guide table 44 is fixed along the height direction of the remote control well 6, the first sliding plate 28 is slidingly installed on the fourth guide table 44, the fourth reversing matching strip 39 is installed on the first sliding plate 28, the fourth reversing matching strip 39 is arranged along the length direction of the fourth guide table 44, the rack is arranged on the outer wall of the fourth reversing matching strip 39 and close to the position of the fourth guide pipe 18, the rack of the fourth reversing matching strip 39 is engaged with the third arc-shaped toothed disc 38, and the power transmission between the fourth reversing matching strip 39 and the third reversing matching strip 37 is realized; a plurality of counterweight blocks 40 are arranged on the end of the fourth reversing matching strip 39 away from the third arc-shaped toothed disc 38, and the counterweight blocks 40 are connected with the fourth guide table 44 through the third sliding plate 41; the weight of a single counterweight block 40 is constant, and the weight of the counterweight block is adjusted by increasing or decreasing the number of the counterweight blocks 40. In the embodiment, the first sliding plate 28 and the third sliding plate 41 are arc-shaped plates matched with the guide columns. The fourth guide table 44 includes a guide ridge plate, the guide columns are arranged on the guide ridge plate, the guide ridge plate is fixed on the inner wall of the remote control well 6, and the guide columns are matched with the first sliding plate 28.

[0037] Preferably, the top port of the remote control well 6 is flush with the outdoor ground level, and the cover plate arranged at the top port of the remote control well 6 prevents people from falling.

[0038] As shown in Figure 5 and Figure 6 , the connecting table 43 is arranged on the outer wall of the fourth reversing matching strip 39 away from the counterweight block 40, the buffer 42 is arranged on the connecting table 43, the buffer 42 is arranged along the height direction of the remote control well 6, and in the embodiment, the buffer 42 is a damper. The bottom end of the damper is fixed on the bottom end face of the remote control well 6. In the process of adjusting the height of the strip-shaped foundation, the damper slows down the adjusting speed of the strip-shaped foundation, so that the speed of the strip-shaped foundation rising or falling is not too fast, and the stability of the strip-shaped foundation on the wall body is affected.

[0039] As shown in Figure 1 , Figure 2 , Figure 7 and Figure 8 , the guide includes the first guide rail column 4 and the second guide rail column 5 arranged in parallel, the bottom end faces of the first guide rail column 4 and the second guide rail column 5 are fixed on the upper end face of the lower lining plate 3, the track grooves are arranged on the first guide rail column 4 and the second guide rail column 5 along the length direction thereof, the sliding block 45 is slidingly installed in the track groove arranged on the first guide rail column 4, the first support steel beam 19 is connected to the outer side end face of the sliding block 45, and the first support steel beam 19 is fixed on the end face of the force receiving base 2 relative to the end face of the strip-shaped foundation; the second support steel beam is arranged between the two first support steel beams 19, the top ends of the first support steel beam 19 and the second support steel beam are coplanar and form a rectangular fixed frame, and the force receiving base 2 is fixed on the upper end of the fixed frame.

[0040] AsFigure 7 and Figure 8 As shown in

[0041] As shown in Figure 7 and Figure 8 As shown in

[0042] As shown in Figure 7 and Figure 8 As shown in

[0043] As shown in Figure 1 and Figure 2 As shown in

[0044] The application further provides a height adjusting method of the building strip foundation, which uses the height adjusting device of the building strip foundation and comprises the following steps: The weight of the counterweight is set, the counterweight drives the transmission member to slide in the track pipe, the transmission member drives the transmission rack 21 in the height adjusting member to move, the transmission rack 21 drives the force receiving base 2 to rise or fall, and the height of the adjusting strip base connecting seat 1 and the strip-shaped foundation in the strip base connecting seat 1 is adjusted.

[0045] Specifically, when the force receiving base 2 needs to be lifted, the number of counterweights 40 is increased on the end of the fourth reversing cooperation strip 39 in the remote control well 6 away from the third arc-shaped tooth disc 38, then the fourth reversing cooperation strip 39 slowly moves toward the bottom end surface of the remote control well 6 under the guidance of the first sliding plate 28 and the fourth guide table 44, cooperates with the buffer 42, and the fourth reversing cooperation strip 39 drives the third arc-shaped tooth disc 38 to rotate. When the third arc-shaped tooth disc 38 rotates, the third reversing cooperation strip 37 moves along the fourth guide pipe 18 toward the second guide pipe 16 under the guidance of the first sliding plate 28 and the third guide table 35, the third reversing cooperation strip 37 drives the second reversing cooperation strip 49 to move along the second guide table 31 toward the second guide pipe 16 through the length adjusting strip, the second reversing cooperation strip 49 drives the second arc-shaped tooth disc 25 to rotate, and the second arc-shaped tooth disc 25 drives the first reversing cooperation strip 27 to move along the first guide table 26 toward the first guide pipe 10 in the process of rotating the second arc-shaped tooth disc 25, the first reversing cooperation strip 27 drives the first arc-shaped tooth disc 24 to rotate, and the first arc-shaped tooth disc 24 drives the transmission rack 21 to move upward along the first guide pipe 10 in the process of rotating the first arc-shaped tooth disc 24, the transmission rack 21 drives the connecting reinforcing table 36 and the force receiving base 2 on the connecting reinforcing table 36 to rise synchronously, the adjusting pipe sleeve 20 is stretched, and the force receiving base 2 drives the strip base connecting seat 1 arranged above and the strip-shaped foundation in the strip base connecting seat 1 to rise by a certain height; and in the process of rising of the force receiving base 2, the first support steel beam 19 connected at the end thereof also moves upward, the sliding block 45 connected at the end of the first support steel beam 19 slides in the track groove arranged on the first guide column 4, and the dovetail table connected on the track plate 48 slides in the track groove arranged on the second guide column 5, and in the process of upward movement of the sliding block 45, the first expansion plate 46 arranged above is compressed, the first expansion plate 46 arranged below is stretched, the second expansion plate 47 arranged above the dovetail table is also compressed, and the second expansion plate 47 arranged below is stretched.

[0046] When the force base 2 needs to be reduced in height, the number of counterweights 40 on the end of the fourth reversing matching strip 39 away from the third arc-shaped tooth disc 38 in the remote control well 6 is reduced, the strip foundation and the strip base connecting seat 1 are under the action of gravity, the height of the strip base connecting seat 1 is reduced, and the height of the force base 2 is also reduced, the force base 2 pushes the transmission rack 21 to move downward, and the adjusting pipe sleeve 20 is compressed, in the process of reducing the height of the force base 2, the first support steel beam 19 connected at the end thereof also moves downward, the first support steel beam 19 drives the sliding block 45 connected at the end thereof to slide in the track groove provided on the first guide column 4, the first support steel beam 19 drives the dovetail table connected to the track plate 48 to slide in the track groove provided on the second guide column 5, and in the process of moving the sliding block 45 downward, the first expansion plate 46 provided above is stretched, the first expansion plate 46 provided below is compressed, the dovetail table also stretches the second expansion plate 47 provided above, and the second expansion plate 47 provided below is compressed; the transmission rack 21 pushes the first arc-shaped tooth disc 24 to rotate, in the process of rotating the first arc-shaped tooth disc 24, the first arc-shaped tooth disc 24 pushes the first reversing matching strip 27 to move along the first guide table 26 toward the third guide pipe 17, the first reversing matching strip 27 pushes the second arc-shaped tooth disc 25 to rotate, in the process of rotating the second arc-shaped tooth disc 25, the second arc-shaped tooth disc 25 pushes the second reversing matching strip 49 to move along the second guide table 31 toward the remote control well 6, the second reversing matching strip 49 pushes the third reversing matching strip 37 to move along the third guide table 35 toward the remote control well 6 through the length adjusting strip, the third reversing matching strip 37 pushes the third arc-shaped tooth disc 38 to rotate, when the third arc-shaped tooth disc 38 rotates, the third arc-shaped tooth disc 38 pushes the fourth reversing matching strip 39 to slowly move toward the position of the top port of the remote control well 6 under the guidance of the first sliding plate 28 and the fourth guide table 44, and the buffer 42 is pulled up.

[0047] The basic principles and main features of the present application and the advantages of the present application are shown and described above, and it is obvious for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0048] Furthermore, it should be understood that although the specification is described in terms of embodiments, each of which contains only one independent technical solution, the specification is described in this way only for the sake of clarity, and the skilled person should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that the skilled person can understand. The above is only to illustrate the technical idea of the present application, and cannot limit the protection scope of the present application. Any modification made on the basis of the technical solutions according to the technical idea of the present application falls within the protection scope of the claims of the present application.

Claims

1. A height adjustment device for strip foundations of old residential buildings, characterized in that, Includes a strip base connecting seat (1) covering the strip base, and a height adjustment component is provided on the strip base connecting seat (1) below the strip base; The height adjustment component includes a force-bearing base (2) connected to the strip base connecting seat (1), and a guide is provided on the side of the force-bearing base (2); A transmission rack (21) is connected to one end face away from the strip foundation on the force-bearing base (2). One end of the transmission rack (21) away from the force-bearing base (2) is installed inside the track tube and connected to the transmission component installed inside the track tube. A counterweight is connected to one end of the transmission component away from the transmission rack (21).

2. The height adjustment device for strip foundations of old residential buildings according to claim 1, characterized in that, The transmission component includes multiple arc-shaped toothed discs and multiple guide platforms installed inside the track tube, wherein one of the arc-shaped toothed discs meshes with the transmission rack (21); Each of the guide plates is slidably mounted with a reversing engagement strip corresponding to the arc-shaped toothed disk. The reversing engagement strip is provided with a rack, which meshes with the corresponding arc-shaped toothed disk. The counterweight is connected to an arc-shaped gear plate inside the track tube, away from the transmission rack (21).

3. The height adjustment device for strip foundations of old residential buildings according to claim 2, characterized in that, The guide platform includes a first guide platform (26), a second guide platform (31), and a third guide platform (35) arranged sequentially from the transmission rack (21) to the counterweight; the first guide platform (26), the second guide platform (31), and the third guide platform (35) are inside the guide tube; A first reversing mating strip (27) is slidably mounted on the first guide platform (26), a second reversing mating strip (49) is slidably mounted on the second guide platform (31), and a third reversing mating strip (37) is slidably mounted on the third guide platform (35); a rack is provided on the first reversing mating strip (27), the second reversing mating strip (49), and the third reversing mating strip (37); a length adjustment strip is connected between the end of the second reversing mating strip (49) away from the first reversing mating strip (27) and the end of the third reversing mating strip (37) away from the counterweight; The arc-shaped toothed disk includes a first arc-shaped toothed disk (24), a second arc-shaped toothed disk (25), and a third arc-shaped toothed disk (38). The first arc-shaped toothed disc (24) is rotatably installed inside the track tube at the opposite end position between the first reversing mating bar (27) and the transmission rack (21). The first arc-shaped toothed disc (24) meshes with the rack on the first reversing mating bar (27) and the transmission rack (21) respectively. The second arc-shaped toothed disc (25) is installed inside the track tube at the opposite end position between the first reversing mating bar (27) and the second reversing mating bar (49). The second arc-shaped toothed disc (25) meshes with the racks on the first reversing mating bar (27) and the second reversing mating bar (49) respectively. The third arc-shaped toothed disc (38) is installed inside the track tube. The third arc-shaped toothed disc (38) meshes with the rack on the third reversing mating strip (37). The third arc-shaped toothed disc (38) is connected to the counterweight.

4. The height adjustment device for strip foundations of old residential buildings according to claim 3, characterized in that, The length adjustment bar includes a plurality of length adjustment blocks (33) connected in series by hinges (34), wherein the length adjustment block (33) located at one end of the length adjustment bar is connected to the second reversing mating bar (49) by hinges (34), and the length adjustment block (33) located at the other end of the length adjustment bar is connected to the third reversing mating bar (37) by hinges (34).

5. The height adjustment device for strip foundations of old residential buildings according to claim 3, characterized in that, The counterweight includes a remote control well (6), which is fixed inside the track tube at a position away from the force-bearing base (2), and the interior of the remote control well (6) is in communication with the interior of the track tube; The remote control well (6) is fixed with a fourth guide platform (44), and a fourth reversing mating strip (39) is slidably connected on the fourth guide platform (44). A rack is provided on the outer wall of the fourth reversing mating strip (39) near the track tube. The rack of the fourth reversing mating strip (39) meshes with the third arc-shaped toothed disc (38). Multiple counterweights (40) are provided on the end of the fourth reversing mating bar (39) away from the third arc-shaped toothed disc (38).

6. The height adjustment device for strip foundations of old residential buildings according to claim 5, characterized in that, The fourth reversing mating bar (39) is provided with a connecting platform (43), and the connecting platform (43) is provided with a buffer (42).

7. The height adjustment device for strip foundations of old residential buildings according to claim 1, characterized in that, The guide includes a first guide post (4) and a second guide post (5) arranged in parallel. Both the first guide post (4) and the second guide post (5) are provided with a track groove. A slider (45) is installed in the track groove provided on the first guide post (4). A first support steel beam (19) fixed on the force-bearing base (2) is connected to the slider (45). A track plate (48) is provided on the first supporting steel beam (19). A dovetail groove is provided in the track plate (48). A dovetail platform is slidably installed in the dovetail groove. The dovetail platform is slidably installed in the track groove provided on the second guide rail column (5).

8. The height adjustment device for strip foundations of old residential buildings according to claim 7, characterized in that, A connecting plate (13) is provided on the first supporting steel beam (19). A first connecting shaft (14) is provided on the end of the connecting plate (13) away from the first guide rail column (4). A first arc-shaped fence (11) is connected to the first connecting shaft (14). A second connecting shaft (15) is provided on the bottom end face of the first arc-shaped fence (11). A second arc-shaped fence (12) is provided on the second connecting shaft (15).

9. The height adjustment device for strip foundations of old residential buildings according to claim 7, characterized in that, A first telescopic plate (46) is installed in the track groove of the first guide post (4). One end of the first telescopic plate (46) is fixed on the slider (45), and the other end of the first telescopic plate (46) is fixed on one side end of the track groove. A second telescopic plate (47) is installed in the track groove of the second guide post (5). One end of the second telescopic plate (47) is fixed on the dovetail platform, and the other end of the second telescopic plate (47) is fixed on one side end of the track groove. A baffle (7) is provided on the force-bearing base (2), and one side end face of the baffle (7) is in contact with one side end face of the first supporting steel beam (19) located in the dovetail groove.

10. A method for adjusting the height of strip foundations of old residential buildings, using the height adjustment device for strip foundations of old residential buildings according to any one of claims 1 to 9, characterized in that, include: The weight of the counterweight is set, and the counterweight drives the transmission component to slide in the track tube. The transmission component drives the transmission rack (21) in the height adjustment component to move. The transmission rack (21) drives the force-bearing base (2) to rise or fall, and adjusts the height of the strip base connecting seat (1) and the strip base inside the strip base connecting seat (1).