A different diameter pile limit protection device

Abstract

This application relates to the field of pile foundation construction technology and discloses a limiting protection device for piles of different diameters, including an annular support plate, a support frame, a first optical axis, a first support block, a second optical axis, a third optical axis, a second support block, a fourth optical axis, and clamping plates. During construction, controlling the sliding of multiple second optical axes can cause multiple clamping plates connected to them to clamp the cylindrical frame. Then, controlling the sliding of multiple first optical axes can cause the cylindrical frame to descend once. After descending once, controlling the sliding of multiple fourth optical axes can cause multiple clamping plates connected to them to clamp the cylindrical frame. At this time, controlling the reset of multiple second optical axes can cause the multiple clamping plates connected to them to release the cylindrical frame. Subsequently, controlling the sliding of multiple third optical axes can cause the cylindrical frame to descend again, thus completing one descent cycle. Therefore, cyclic control allows the cylindrical frame to descend continuously without being limited by the length of the steel casing and the cylindrical frame, reducing the space occupied by the device.

Description

Technical Field

[0001] The present application relates to the technical field of pile foundation construction, for example, to a position limiting protection device for piles of different diameters. Background Art

[0002] The related art (Announcement No.: CN114197473B) discloses a position limiting protection device for different-diameter piles on a water platform. It includes a protection device body hung upside down in a steel casing and an auxiliary support mechanism fixed to the top of the steel casing. The auxiliary support mechanism includes a load-bearing component and a positioning component. The positioning component is used to clamp and position the protection device body. The load-bearing component includes a supporting rib, a fastening bolt, an annular base, a sleeve, a clamping plate, an adjustment threaded rod, a rotating handle, a lifting rod and a buffer spring.

[0003] In the process of implementing the above embodiments, it is found that there are at least the following problems in the related art:

[0004] During the construction of the water platform different-diameter pile limit protection device, the positioning component is used to align the protection device body with the steel casing, and the lifting rod of the load-bearing component is used to make the protection device body slowly descend at a uniform speed to avoid collision with the steel casing. However, due to the structure and stroke limitations of the lifting rod, when the protection device body and the steel casing are longer, the lifting rod needs to have a longer size. Therefore, the structural size of the device will be larger, which will occupy a larger space and is not convenient for installation and transfer.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0006] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical elements or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0007] The disclosed embodiment provides a position limiting protection device for piles of different diameters to reduce space occupation.

[0008] In some embodiments, the different-diameter pile limit protection device is used to insert the barrel frame into the steel casing, including: an annular support plate, which is detachably mounted on the outer wall of the steel casing; a support frame, which is mounted on the top surface of the annular support plate and is evenly distributed around the steel casing; a first optical axis, which is slidably penetrated through part of the support frame along the height direction of the steel casing; a first support block, which is respectively mounted on the top of a plurality of the first optical axes; a second optical axis, which is slidably penetrated through a plurality of the first support blocks along the radial direction of the steel casing; a third optical axis, which is slidably penetrated through the third optical axis along the height direction of the steel casing The plurality of first optical axes and the plurality of second optical axes are slidably mounted on the top ends of the plurality of third optical axes; the fourth optical axes are slidably mounted on the plurality of second support blocks along the radial direction of the steel casing; the clamping plates are respectively mounted on one end of the plurality of first optical axes and the second optical axes facing the steel casing, and are used to abut against the tube-type frame; wherein the plurality of first optical axes and the third optical axes can be controlled to slide so as to respectively drive the plurality of clamping plates to rise or fall at the same time, and the plurality of second optical axes and the plurality of fourth optical axes can be controlled to slide so as to respectively drive the plurality of clamping plates to move closer to or separate from each other.

[0009] Optionally, it also includes: a first annular plate, which is sleeved on the steel casing, connected to the bottom ends of the plurality of first optical axes, and located on the inner sides of the plurality of support frames; a first hydraulic cylinder, which is installed between the first annular plate and the annular support plate along the height direction of the steel casing.

[0010] Optionally, it also includes: a second annular plate, which is sleeved on the steel casing, connected to the bottom ends of the plurality of third optical axes, and located on the inner sides of the plurality of support frames; a second hydraulic cylinder, which is installed between the second annular plate and the annular support plate along the height direction of the steel casing; wherein the first annular plate includes a plurality of first protrusions located on its inner side surface, and the second annular plate includes a plurality of second protrusions located on its outer side surface, and the plurality of first protrusions and the plurality of second protrusions are staggered.

[0011] Optionally, it also includes: a first guide block, which is respectively installed on one end of the plurality of second optical axes away from the steel casing, and the plurality of first guide blocks all include a first guide groove opened along the height direction of the steel casing; a first cam bearing, which is respectively slidably installed inside the plurality of first guide grooves; a first triangular plate, one corner of the first triangular plate is respectively connected to the plurality of first cam bearings; a first support seat, which is respectively rotatably connected to the other corner of the plurality of first triangular plates, and is respectively installed on the top surface of the annular support plate, and the plurality of first support seats are located on the outside of the plurality of support frames; a first support rod, one end of the first support rod is respectively rotatably connected to another corner of the plurality of first triangular plates; a third annular plate, which is sleeved on the steel casing, rotatably connected to the other end of the plurality of first support rods, and is located on the outside of the plurality of first support seats; a third hydraulic cylinder, which is installed between the third annular plate and the annular support plate along the height direction of the steel casing.

[0012] Optionally, it also includes: a second guide block, which is respectively installed at one end of the plurality of fourth optical axes away from the steel casing, and the plurality of second support blocks all include a second guide groove opened along the height direction of the steel casing; a second cam bearing, which is respectively slidably installed inside the plurality of second guide grooves; a second triangular plate, one corner of the second triangular plate is respectively connected to the plurality of second cam bearings; a second support seat, which is respectively rotatably connected to the other corner of the plurality of second triangular plates, and is all installed on the top surface of the annular support plate, and the plurality of second support seats are located on the outside of the plurality of support frames; a second support rod, one end of the second support rod is respectively rotatably connected to another corner of the plurality of second triangular plates; a fourth annular plate, which is sleeved on the steel casing, rotatably connected to the other end of the plurality of second support rods, and is located on the outside of the plurality of second support seats; a fourth hydraulic cylinder, which is installed between the fourth annular plate and the annular support plate along the height direction of the steel casing; wherein the third annular plate includes a plurality of third protrusions located on its inner side surface, the fourth annular plate includes a plurality of fourth protrusions located on its outer side surface, and the plurality of the third protrusions and the plurality of the fourth protrusions are staggered.

[0013] Optionally, it also includes: a fifth optical axis, which is respectively installed on the third annular plate and the fourth annular plate along the height direction of the steel casing; a guide cylinder, which is slidably mounted on multiple fifth optical axes and installed on the annular support plate.

[0014] Optionally, it also includes: a support tube, which is sleeved on the steel casing and connected to the bottom surface of the annular support plate; a fifth hydraulic cylinder, which is respectively installed on the opposite side walls of the steel casing along the radial direction of the steel casing, and the moving ends of the fifth hydraulic cylinders on both sides are directly opposite to each other; clamping blocks, which are respectively installed on the moving ends of the fifth hydraulic cylinders on both sides, are both located inside the support tube, and are both used to resist the outer wall of the steel casing.

[0015] Optionally, it also includes: a rotating shaft, which is rotatably installed on the side wall of the support tube along the radial direction of the steel casing, and the axial direction of the rotating shaft is perpendicular to the movement direction of the moving end of the fifth hydraulic cylinder on both sides; a gear, which is installed on the rotating shaft and is located inside the support tube; a first rack, which is installed on one of the clamping blocks on both sides along the movement direction of the moving end of the fifth hydraulic cylinder on both sides, and is meshed with the gear; a second rack, which is installed on the other of the clamping blocks on both sides along the movement direction of the moving end of the fifth hydraulic cylinder on both sides, and is meshed with the gear; wherein, along the radial direction of the gear, the first rack and the second rack are located on both sides of the gear.

[0016] Optionally, it also includes: a sixth optical axis, which is slidably arranged on the opposite side walls of the steel casing along the movement direction of the moving end of the fifth hydraulic cylinder on both sides, and the sixth optical axis on both sides is respectively connected to the clamping blocks on both sides.

[0017] The embodiment of the present disclosure provides a different-diameter pile position limiting protection device, which can achieve the following technical effects:

[0018] The embodiment of the present disclosure provides a position limiting protection device for different-diameter piles, which is used to insert a cylindrical frame into a steel casing, and includes an annular support plate, a support frame, a first optical axis, a first support block, a second optical axis, a third optical axis, a second support block, a fourth optical axis, and a clamping plate. The annular support plate is detachably mounted on the outer wall of the steel casing. After the annular support plate is mounted on the outer wall of the steel casing, the two are coaxially distributed. The support frame is mounted on the top surface of the annular support plate and evenly distributed around the steel casing, and is respectively used to support and install the slidable first optical axis and the second optical axis. The first optical axis is slidably arranged in part of the support frame along the height direction of the steel casing, and can slide along the height direction of the steel casing. The first support blocks are respectively mounted on the top ends of multiple first optical axes, and are respectively used to support and install the slidable second optical axis. The second optical axis is slidably arranged in multiple first support blocks along the radial direction of the steel casing, and can slide along the radial direction of the steel casing. The third optical axis is slidably arranged in the remaining support frames along the height direction of the steel casing, and can slide along the height direction of the steel casing. The second support blocks are respectively installed on the top ends of the multiple third optical axes, and are respectively used to support and install the slidable fourth optical axes. The fourth optical axes are respectively slidably arranged in the multiple second support blocks along the radial direction of the steel casing, and can slide along the radial direction of the steel casing. The clamping plates are respectively installed on the ends of the multiple first optical axes and the second optical axes facing the steel casing, and are both used to abut against the barrel frame, so as to clamp or loosen the barrel frame respectively. Among them, the multiple first optical axes and the third optical axes can be controlled to slide, so as to drive the multiple clamping plates to rise or fall at the same time, and the multiple second optical axes and the multiple fourth optical axes can be controlled to slide, so as to drive the multiple clamping plates to move closer to or separate from each other.

[0019] During construction, it can be pre-assembled on the top of the outer wall of the steel casing. After the steel casing is sunk, the barrel frame can be lifted between multiple clamping plates by a crane or the like. Then, driven by external force, when multiple first optical axes and third optical axes slide, multiple clamping plates can be driven to rise or fall simultaneously. When multiple second optical axes and multiple fourth optical axes slide, multiple clamping plates can be driven to move closer to or separate from each other. Therefore, by controlling the sliding of multiple second optical axes, multiple clamping plates connected thereto can be driven to clamp the barrel frame. Then, by controlling the sliding of multiple first optical axes, the barrel frame can be driven to descend once. After descending once, by controlling the sliding of multiple fourth optical axes, multiple clamping plates connected thereto can be driven to clamp the barrel frame. At this time, by controlling the reset of multiple second optical axes, multiple clamping plates connected thereto can be driven to release the barrel frame. Subsequently, by controlling the sliding of multiple third optical axes, the barrel frame can be driven to descend again. In the process of descending again, by controlling the reset of multiple first optical axes, multiple clamping plates connected thereto can be moved to the initial height, thereby completing a descending cycle. Therefore, by cyclically controlling the sliding of the first optical axis, the second optical axis, the third optical axis and the fourth optical axis, the cylindrical frame can be continuously lowered until it reaches the inner bottom of the steel casing. Compared with the method of lowering by using a lifting rod, it is not limited by the length of the steel casing and the cylindrical frame. The space occupied by the device is reduced, which makes it easy to install it on the outer wall of the steel casing and to carry and transfer the device.

[0020] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0022] Figure 1 It is a schematic diagram of the main structure of a position limiting protection device for piles of different diameters provided by an embodiment of the present disclosure;

[0023] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure at AA in the middle;

[0024] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0025] Figure 4 It is a schematic cross-sectional structure diagram of a position limiting protection device for piles of different diameters provided in an embodiment of the present disclosure;

[0026] Figure 5 yes Figure 4Schematic diagram of the enlarged structure at C in the middle;

[0027] Figure 6 yes Figure 4 Schematic diagram of the enlarged structure at D in the middle;

[0028] Figure 7 It is a schematic diagram of a top view of a position limiting protection device for piles of different diameters provided in an embodiment of the present disclosure;

[0029] Figure 8 yes Figure 7 Schematic diagram of the enlarged structure at E in the middle;

[0030] Fig. 9 It is a structural schematic diagram of a different-diameter pile limit protection device provided by an embodiment of the present disclosure when a cylindrical frame is inserted into a steel casing.

[0031] Reference numerals:

[0032] 1: cylindrical frame; 2: steel casing; 3: annular support plate; 4: support frame; 5: first optical axis; 6: first support block; 7: second optical axis; 8: third optical axis; 9: second support block; 10: fourth optical axis; 11: clamping plate; 12: first annular plate; 13: first hydraulic cylinder; 14: second annular plate; 15: second hydraulic cylinder; 16: first guide block; 17: first triangular plate; 18: first support seat; 19: first support rod; 20: third annular plate; 21: third hydraulic cylinder; 22: second guide block; 23: second triangular plate; 24: second support seat; 25: second support rod; 26: fourth annular plate; 27: fourth hydraulic cylinder; 28: fifth optical axis; 29: guide cylinder; 30: support cylinder; 31: fifth hydraulic cylinder; 32: clamping block; 33: rotating shaft; 34: gear; 35: first rack; 36: second rack; 37: sixth optical axis. DETAILED DESCRIPTION

[0033] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0034] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0035] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0036] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0037] Unless otherwise stated, the term "plurality" means two or more.

[0038] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0039] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0040] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0041] Combination Figures 1 to 9As shown, the disclosed embodiment provides a different-diameter pile position limiting protection device, which is used to insert the cylindrical frame 1 into the steel casing 2, and includes an annular support plate 3, a support frame 4, a first optical axis 5, a first support block 6, a second optical axis 7, a third optical axis 8, a second support block 9, a fourth optical axis 10 and a clamping plate 11. The annular support plate 3 is detachably mounted on the outer wall of the steel casing 2. After the annular support plate 3 is mounted on the outer wall of the steel casing 2, the two are distributed on the same center line. The support frame 4 is mounted on the top surface of the annular support plate 3 and is evenly distributed around the steel casing 2, and is respectively used to support and install the slidable first optical axis 5 and the second optical axis 7. The first optical axis 5 is slidably penetrated in part of the support frame 4 along the height direction of the steel casing 2, and can slide along the height direction of the steel casing 2. The first support blocks 6 are respectively mounted on the top ends of multiple first optical axes 5, and are respectively used to support and install the slidable second optical axis 7. The second optical axis 7 is slidably provided in the plurality of first support blocks 6 along the radial direction of the steel casing 2, and can slide in the radial direction of the steel casing 2. The third optical axis 8 is slidably provided in the remaining support frames 4 along the height direction of the steel casing 2, and can slide in the height direction of the steel casing 2. The second support blocks 9 are respectively installed on the top ends of the plurality of third optical axes 8, and are respectively used to support and install the slidable fourth optical axis 10. The fourth optical axis 10 is slidably provided in the plurality of second support blocks 9 along the radial direction of the steel casing 2, and can slide in the radial direction of the steel casing 2. The clamping plates 11 are respectively installed on the ends of the plurality of first optical axes 5 and the second optical axes 7 facing the steel casing 2, and are both used to abut against the cylindrical frame 1, so as to clamp or loosen the cylindrical frame 1, respectively. Among them, multiple first optical axes 5 and multiple third optical axes 8 can all be controlled to slide, so as to drive multiple clamping plates 11 to rise or fall simultaneously, and multiple second optical axes 7 and multiple fourth optical axes 10 can all be controlled to slide, so as to drive multiple clamping plates 11 to move closer to or separate from each other.

[0042] A different-diameter pile position limiting protection device provided by the embodiment of the present disclosure can be pre-assembled on the top of the outer wall of the steel casing 2 during construction. After the steel casing 2 is sunk, the barrel frame 1 can be lifted between multiple clamping plates 11 by a crane or the like. Then, driven by an external force, when multiple first optical axes 5 and third optical axes 8 slide, multiple clamping plates 11 can be driven to rise or fall simultaneously. When multiple second optical axes 7 and multiple fourth optical axes 10 slide, multiple clamping plates 11 can be driven to move closer to or separate from each other. Therefore, by controlling the sliding of multiple second optical axes 7, multiple clamping plates 11 connected thereto can be driven to clamp the barrel frame 1. Then, by controlling the sliding of multiple first optical axes 5, the barrel frame 1 can be driven to descend once. After descending once, by controlling the sliding of multiple fourth optical axes 10, multiple clamping plates 11 connected thereto can be driven to clamp the barrel frame 1. At this time, by controlling the reset of multiple second optical axes 7, multiple clamping plates 11 connected thereto can be driven to release the barrel frame 1. Subsequently, the multiple third optical axes 8 are controlled to slide, so that the barrel-type frame 1 can be driven to descend again. During the process of descending again, the multiple first optical axes 5 are controlled to reset, so that the multiple clamping plates 11 connected to the multiple second optical axes 7 can be moved to the initial height, thereby completing a descending cycle. Therefore, by cyclically controlling the sliding of the multiple first optical axes 5 and the second optical axes 7, the multiple third optical axes 8 and the fourth optical axis 10, the barrel-type frame 1 can be continuously descended until it reaches the inner bottom end of the steel casing 2. Compared with the method of using a lifting rod to achieve descent, it is not limited by the length of the steel casing 2 and the barrel-type frame 1. The space occupation of the device is reduced, which can facilitate its installation on the outer wall of the steel casing 2 and facilitate the transportation and transfer of the device.

[0043] Optionally, combined Figure 4 and Figure 7 As shown, it also includes a first linear bearing which is slidably mounted on the first optical axes 5 and the third optical axes 8 and is installed on the support frames 4 .

[0044] In the disclosed embodiment, multiple first linear bearings are used to reduce the friction between multiple support frames 4 and multiple first optical axes 5 and third optical axes 8, and to improve the accuracy of sliding between multiple first optical axes 5 and third optical axes 8 relative to multiple support frames 4.

[0045] Optionally, combined Figure 1 , Figure 4 and Figure 7 As shown, the second linear bearing is also included. The second linear bearing is slidably mounted on the second optical axes 7 and the fourth optical axis 10, and is installed on the first support blocks 6 and the second support blocks 9.

[0046] In the embodiment of the present disclosure, multiple second linear bearings are used to reduce the friction between the multiple second optical axes 7 and the fourth optical axis 10 and the multiple first support blocks 6 and the second support blocks 9, and to improve the accuracy of the sliding between the multiple second optical axes 7 and the fourth optical axis 10 relative to the multiple first support blocks 6 and the second support blocks 9.

[0047] Optionally, combined Figure 1 , Figure 4 and Figure 7 As shown, it also includes a first annular plate 12 and a first hydraulic cylinder 13. The first annular plate 12 is sleeved on the steel casing 2, connected to the bottom ends of the plurality of first optical axes 5, and located on the inner side of the plurality of support frames 4, and is used to drive the plurality of first optical axes 5 to move synchronously. The first hydraulic cylinder 13 is installed between the first annular plate 12 and the annular support plate 3 along the height direction of the steel casing 2, and is used to provide a driving force.

[0048] In the disclosed embodiment, the first hydraulic cylinder 13 is controlled to work, so as to drive the first annular plate 12 to move along the height direction of the steel casing 2, thereby driving the plurality of first optical axes 5 to slide. Through the design of the plurality of first annular plates 12, the plurality of clamping plates 11 connected to the plurality of second optical axes 7 can be simultaneously raised or lowered under the drive of the first hydraulic cylinder 13, thereby ensuring the stability of the barrel frame 1 when it is lowered.

[0049] Optionally, combined Figure 1 , Figure 4 and Figure 7 As shown, it also includes a second annular plate 14 and a second hydraulic cylinder 15. The second annular plate 14 is sleeved on the steel casing 2, connected to the bottom ends of the plurality of third optical axes 8, and located on the inner side of the plurality of support frames 4, and is used to drive the plurality of third optical axes 8 to move synchronously. The second hydraulic cylinder 15 is installed between the second annular plate 14 and the annular support plate 3 along the height direction of the steel casing 2, and is used to provide a driving force. Among them, the first annular plate 12 includes a plurality of first protrusions located on its inner side surface, and the second annular plate 14 includes a plurality of second protrusions located on its outer side surface, and the plurality of first protrusions and the plurality of second protrusions are staggered.

[0050] In the disclosed embodiment, the second hydraulic cylinder 15 is controlled to work, so that the second annular plate 14 can be driven to move along the height direction of the steel casing 2, thereby driving the plurality of third optical axes 8 to slide. Through the design of the plurality of second annular plates 14, the plurality of clamping plates 11 connected to the plurality of fourth optical axes 10 can be simultaneously raised or lowered under the drive of the second hydraulic cylinder 15, thereby ensuring the stability of the barrel frame 1 when it is lowered. In addition, the design of the staggered distribution of the plurality of first protrusions of the first annular plate 12 and the plurality of second protrusions of the second annular plate 14 can avoid mutual interference between the two during movement, and can also improve the compactness of the relevant parts of the device.

[0051] Optionally, combined Figure 1 and Figure 4 As shown, it also includes a first guide block 16, a first cam bearing, a first triangular plate 17, a first support seat 18, a first support rod 19, a third annular plate 20 and a third hydraulic cylinder 21. The first guide blocks 16 are respectively installed at one end of the plurality of second optical axes 7 away from the steel casing 2, and are respectively used to drive the plurality of second optical axes 7 to slide. The plurality of first guide blocks 16 all include a first guide groove opened along the height direction of the steel casing 2, and the plurality of first guide grooves are respectively used to accommodate the plurality of first cam bearings and the first triangular plates 17. The first cam bearings are respectively slidably installed inside the plurality of first guide grooves, and can slide relative to the plurality of first guide grooves along the height direction of the steel casing 2. One corner of the first triangular plate 17 is respectively connected to the plurality of first cam bearings, so that the plurality of first triangular plates 17 can slide and rotate relative to the plurality of first guide blocks 16. In addition, when the plurality of first triangular plates 17 drive the plurality of first guide blocks 16 to move closer to or separate from each other, the plurality of first guide blocks 16 can rise or fall at the same time. The first support seats 18 are rotatably connected to the other corners of the multiple first triangular plates 17, and are all installed on the top surface of the annular support plate 3. The multiple first support seats 18 are located on the outside of the multiple support frames 4, and are used to determine the positions of the multiple first triangular plates 17 relative to the annular support plate 3. One end of the first support rod 19 is rotatably connected to another corner of the multiple first triangular plates 17, and is used to drive the multiple first triangular plates 17 to move. The third annular plate 20 is sleeved on the steel casing 2, and is rotatably connected to the other end of the multiple first support rods 19, and is located on the outside of the multiple first support seats 18, and is used to drive the multiple first support rods 19 to move. The third hydraulic cylinder 21 is installed between the third annular plate 20 and the annular support plate 3 along the height direction of the steel casing 2, and is used to provide a driving force.

[0052] In the disclosed embodiment, the third hydraulic cylinder 21 is controlled to work, so as to drive the third annular plate 20 to move along the height direction of the steel casing 2. Under the pull or push of the multiple first support rods 19, the multiple first triangular plates 17 can rotate relative to the multiple first support seats 18 respectively. Then the multiple second optical axes 7 are driven to interact along the radial direction of the steel casing 2 respectively, and finally the multiple clamping plates 11 connected thereto are driven to move closer to or separate from each other. In addition, through the design of the multiple first guide blocks 16, the first cam bearings, the first triangular plates 17, the first support seats 18, the first support rods 19 and the third annular plate 20, the third hydraulic cylinder 21 can achieve horizontal movement through vertical installation, thereby reducing the space occupied by the device.

[0053] Optionally, combined Figure 1 , Figure 4 , Figure 5 , Figure 7 and Figure 8As shown, it also includes a second guide block 22, a second cam bearing, a second triangular plate 23, a second support seat 24, a second support rod 25, a fourth annular plate 26 and a fourth hydraulic cylinder 27. The second guide blocks 22 are respectively installed at one end of the plurality of fourth optical axes 10 away from the steel casing 2, and are respectively used to drive the plurality of fourth optical axes 10 to slide. The plurality of second support blocks 9 all include a second guide groove opened along the height direction of the steel casing 2, and the plurality of second guide grooves are respectively used to accommodate the plurality of second cam bearings and the second triangular plates 23. The second cam bearings are respectively slidably installed inside the plurality of second guide grooves, and can slide relative to the plurality of second guide grooves along the height direction of the steel casing 2. One corner of the second triangular plate 23 is respectively connected to the plurality of second cam bearings, so that the plurality of second triangular plates 23 can slide and rotate relative to the plurality of second guide blocks 22. In addition, when the plurality of second triangular plates 23 drive the plurality of second guide blocks 22 to move closer to or separate from each other, the plurality of second guide blocks 22 can rise or fall at the same time. The second support seats 24 are rotatably connected to the other corners of the plurality of second triangular plates 23, and are all installed on the top surface of the annular support plate 3. The plurality of second support seats 24 are located on the outside of the plurality of support frames 4, and are used to determine the positions of the plurality of second triangular plates 23 relative to the annular support plate 3. One end of the second support rod 25 is rotatably connected to another corner of the plurality of second triangular plates 23, and is used to drive the plurality of second triangular plates 23 to move. The fourth annular plate 26 is sleeved on the steel casing 2, and is rotatably connected to the other end of the plurality of second support rods 25, and is located on the outside of the plurality of second support seats 24, and is used to drive the plurality of second support rods 25 to move. The fourth hydraulic cylinder 27 is installed between the fourth annular plate 26 and the annular support plate 3 along the height direction of the steel casing 2, and is used to provide a driving force. Among them, the third annular plate 20 includes a plurality of third protrusions located on its inner side surface, and the fourth annular plate 26 includes a plurality of fourth protrusions located on its outer side surface, and the plurality of third protrusions and the plurality of fourth protrusions are staggered.

[0054] In the disclosed embodiment, the fourth hydraulic cylinder 27 is controlled to work, so that the fourth annular plate 26 can be driven to move along the height direction of the steel casing 2. Under the pull or push of the plurality of second support rods 25, the plurality of second triangular plates 23 can rotate relative to the plurality of second support seats 24 respectively. Then the plurality of fourth optical axes 10 are driven to interact along the radial direction of the steel casing 2 respectively, and finally the plurality of clamping plates 11 connected thereto are driven to move closer to or separate from each other. In addition, through the design of the plurality of second guide blocks 22, the second cam bearings, the second triangular plates 23, the second support seats 24, the second support rods 25 and the fourth annular plate 26, the fourth hydraulic cylinder 27 can realize horizontal movement through vertical installation, thereby reducing the space occupied by the device. In addition, the design of the staggered distribution of the plurality of third protrusions of the third annular plate 20 and the plurality of fourth protrusions of the fourth annular plate 26 can avoid mutual interference between the two during movement, and can also improve the compactness of the relevant parts of the device.

[0055] Optionally, combined Figure 1 , Figure 4 and Figure 6 As shown, it also includes a fifth optical axis 28 and a guide cylinder 29. The fifth optical axis 28 is respectively installed on the third annular plate 20 and the fourth annular plate 26 along the height direction of the steel casing 2. The guide cylinder 29 is respectively slidably mounted on multiple fifth optical axes 28 and installed on the annular support plate 3.

[0056] In the embodiment disclosed herein, multiple fifth optical axes 28 and guide cylinders 29 are used to serve as guide supports to improve the stability of the third annular plate 20 and the fourth annular plate 26 when they move along the height direction of the steel casing 2, and to reduce the radial force exerted on the moving ends of the third hydraulic cylinder 21 and the fourth hydraulic cylinder 27.

[0057] Optionally, combined Figure 1 , Figure 4 and Figure 6 As shown, a third linear bearing is also included. The third linear bearings are slidably mounted on the plurality of fifth optical axes 28 and are respectively installed on the plurality of guide cylinders 29.

[0058] In the disclosed embodiment, the third linear bearings are used to reduce the friction between the fifth optical axes 28 and the guide cylinders 29 and to improve the sliding precision of the fifth optical axes 28 relative to the guide cylinders 29 .

[0059] Optionally, combined Figure 2 and Figure 4 As shown, it also includes a support cylinder 30, a fifth hydraulic cylinder 31 and a clamping block 32. The support cylinder 30 is sleeved on the steel casing 2 and connected to the bottom surface of the annular support plate 3, and is used to support and install the fifth hydraulic cylinder 31. The fifth hydraulic cylinder 31 is respectively installed on the opposite side walls of the steel casing 2 along the radial direction of the steel casing 2, and the moving ends of the fifth hydraulic cylinders 31 on both sides are distributed opposite to each other, and are used to provide driving force. The clamping blocks 32 are respectively installed on the moving ends of the fifth hydraulic cylinders 31 on both sides, and are both located inside the support cylinder 30, and are both used to abut against the outer wall of the steel casing 2 to tighten or loosen the steel casing 2.

[0060] In the embodiment disclosed in the present invention, by controlling the operation of the fifth hydraulic cylinders 31 on both sides, the clamping blocks 32 on both sides can be driven to move toward or in opposite directions, thereby clamping or loosening the steel casing 2. When the clamping blocks 32 on both sides clamp the steel casing 2, the device can be fixed to the outer wall of the steel casing 2. When the clamping blocks 32 on both sides loosen the steel casing 2, the device can be removed from the outer wall of the steel casing 2.

[0061] Optionally, combined Figures 2 to 4As shown, it also includes a rotating shaft 33, a gear 34, a first rack 35 and a second rack 36. The rotating shaft 33 is rotatably installed on the side wall of the support tube 30 along the radial direction of the steel casing 2, and can rotate relative to the support tube 30. The axial direction of the rotating shaft 33 is perpendicular to the movement direction of the moving end of the fifth hydraulic cylinder 31 on both sides, and is used to support and install the gear 34. The gear 34 is installed on the rotating shaft 33 and is located inside the support tube 30. With the support of the rotating shaft 33, it can rotate. The first rack 35 is installed on one of the clamping blocks 32 on both sides along the movement direction of the moving end of the fifth hydraulic cylinder 31 on both sides, and meshes with the gear 34 to transmit the driving force. The second rack 36 is installed on the other of the clamping blocks 32 on both sides along the movement direction of the moving end of the fifth hydraulic cylinder 31 on both sides, and meshes with the gear 34 to transmit the driving force. In the radial direction of the gear 34 , the first rack 35 and the second rack 36 are located on both sides of the gear 34 . Under the action of meshing between the teeth, the second racks 36 on both sides can only move towards or in opposite directions.

[0062] In the disclosed embodiment, the fifth hydraulic cylinders 31 on both sides are controlled to work, so as to drive the clamping blocks 32 on both sides to move toward or in the opposite direction, thereby clamping or releasing the steel casing 2. Because the second racks 36 on both sides can only move toward or in the opposite direction under the drive of the gear 34, the clamping blocks 32 on both sides will clamp or release the steel casing 2 at the same time, thereby playing a role in centripetal positioning. The steel casing 2 is placed in the center of the device, thereby ensuring the position accuracy of the barrel frame 1.

[0063] Optionally, combined Figure 1 , Figure 2 and Figure 4 As shown, it also includes a sixth optical axis 37. The sixth optical axis 37 is slidably arranged on the opposite side walls of the steel casing 2 along the moving direction of the moving end of the fifth hydraulic cylinder 31 on both sides, and the sixth optical axis 37 on both sides is connected to the clamping blocks 32 on both sides respectively.

[0064] In the disclosed embodiment, the sixth optical axes 37 on both sides are used to serve as guide supports to improve the stability of the clamping blocks 32 on both sides when moving along the radial direction of the steel casing 2, and to reduce the radial force exerted on the moving ends of the fifth hydraulic cylinders 31 on both sides.

[0065] Optionally, combined Figure 1 , Figure 2 and Figure 4 As shown, the fourth linear bearing is also included. The fourth linear bearings are respectively slidably mounted on the sixth optical axis 37 on both sides and are both installed on the support tube 30.

[0066] In the disclosed embodiment, the fourth linear bearings on both sides are used to reduce the friction between the sixth optical axes 37 on both sides and the multiple support tubes 30 , and to improve the accuracy of the sixth optical axes 37 on both sides when sliding relative to the support tubes 30 .

[0067] Optionally, combined Figures 1 to 4 As shown, it also includes a bearing seat and a bearing. The bearing is installed on the side wall of the support cylinder 30 and is sleeved on the rotating shaft 33. The bearing is installed between the bearing seat and the rotating shaft 33.

[0068] Optionally, combined Fig. 9 As shown, the cylindrical frame 1 includes an annular steel plate and a support column. The annular steel plates are sequentially distributed from top to bottom along the height direction of the steel casing 2, and the center lines of multiple annular steel plates overlap each other. The support columns are installed on the inner side surfaces of multiple annular steel plates along the height direction of the steel casing 2, and are evenly distributed around the center lines of multiple annular steel plates. Among them, each clamping plate 11 includes a first arc plate and a second arc plate connected to each other, each first arc plate can be used to abut against the outer side surface of any annular steel plate, and each second arc plate is used to abut against the bottom side surface of any annular steel plate.

[0069] In the disclosed embodiment, the multiple support columns of the cylindrical frame 1 are used to determine the relative positions of the multiple annular steel plates, and the multiple annular steel plates of the cylindrical frame 1 are used to subject the steel casing 2 to the extrusion force from the outside. Thereby, the structural strength of the steel casing 2 is improved, and the steel casing 2 is prevented from being deformed due to excessive external pressure. The first arc plate of each clamping plate 11 can be used to abut against the outer side surface of any annular steel plate to clamp and position the cylindrical frame 1. The second arc plate of each clamping plate 11 is used to abut against the bottom side surface of any annular steel plate to axially limit the cylindrical frame 1. The two work together to improve the clamping and fixing effect of the cylindrical frame 1.

[0070] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A different diameter pile limit protection device, used for inserting a cylindrical frame into a steel casing, characterized in that: include: An annular support plate, detachably mounted on the outer wall of the steel casing; A support frame is installed on the top surface of the annular support plate and is evenly distributed around the steel casing; The first optical axis is slidably disposed in part of the support frame along the height direction of the steel casing; first support blocks, respectively mounted on top ends of the plurality of first optical axes; A second optical axis is slidably disposed in the plurality of first support blocks along the radial direction of the steel casing; The third optical axis is slidably disposed in the remaining support frames along the height direction of the steel casing; second support blocks, respectively mounted on top ends of the plurality of third optical axes; A fourth optical axis is slidably disposed in the plurality of second support blocks along the radial direction of the steel casing; Clamping plates are respectively installed on the ends of the first optical axes and the second optical axes facing the steel casing, and are used to abut against the barrel frame; A first annular plate, sleeved on the steel casing, connected to the bottom ends of the plurality of first optical axes, and located on the inner sides of the plurality of support frames, wherein the first annular plate includes a plurality of first protrusions located on the inner side thereof; A first hydraulic cylinder is installed between the first annular plate and the annular support plate along the height direction of the steel casing; A second annular plate, sleeved on the steel casing, connected to the bottom ends of the plurality of third optical axes, and located on the inner sides of the plurality of support frames, the second annular plate comprising a plurality of second protrusions located on the outer side thereof, the plurality of first protrusions and the plurality of second protrusions being staggered; A second hydraulic cylinder is installed between the second annular plate and the annular support plate along the height direction of the steel casing; First guide blocks are respectively installed at one end of the plurality of second optical axes away from the steel casing, and the plurality of first guide blocks each include a first guide groove opened along the height direction of the steel casing; first cam bearings, slidably mounted inside the plurality of first guide grooves; a first triangular plate, wherein a corner of the first triangular plate is respectively connected to the first cam bearings; First support seats are rotatably connected to the other corners of the first triangular plates and are installed on the top surface of the annular support plate. The first support seats are located outside the support frames. A first support rod, one end of which is rotatably connected to one corner of each of the first triangular plates; A third annular plate, sleeved on the steel casing, rotatably connected to the other ends of the plurality of first support rods, and located outside the plurality of first support seats, the third annular plate comprising a plurality of third protrusions located on its inner side surface; A third hydraulic cylinder is installed between the third annular plate and the annular support plate along the height direction of the steel casing; Second guide blocks are respectively installed at one end of the plurality of fourth optical axes away from the steel casing, and the plurality of second support blocks each include a second guide groove opened along the height direction of the steel casing; Second cam bearings are slidably mounted inside the plurality of second guide grooves; a second triangular plate, wherein a corner of the second triangular plate is respectively connected to a plurality of the second cam bearings; Second support seats are rotatably connected to the other corners of the plurality of second triangular plates, and are all mounted on the top surface of the annular support plate, and the plurality of second support seats are located outside the plurality of support frames; A second support rod, one end of which is rotatably connected to a corner of each of the second triangular plates; a fourth annular plate, sleeved on the steel casing, rotatably connected to the other ends of the plurality of second support rods, and located outside the plurality of second support seats, the fourth annular plate comprising a plurality of fourth protrusions located on the outer side thereof, and the plurality of third protrusions and the plurality of fourth protrusions being staggered; a fourth hydraulic cylinder, installed between the fourth annular plate and the annular support plate along the height direction of the steel casing; Among them, multiple first optical axes and multiple third optical axes can all be controlled to slide, so as to drive multiple clamping plates to rise or fall simultaneously, and multiple second optical axes and multiple fourth optical axes can all be controlled to slide, so as to drive multiple clamping plates to move closer to or apart from each other.

2. A different diameter pile position limiting protection device according to claim 1, characterized in that: Also includes: A fifth optical axis is respectively mounted on the third annular plate and the fourth annular plate along the height direction of the steel casing; The guide cylinders are slidably mounted on the plurality of fifth optical axes and are installed on the annular support plate.

3. A different diameter pile position limiting protection device according to any one of claims 1 to 2, characterized in that: Also includes: A support tube, sleeved on the steel casing and connected to the bottom surface of the annular support plate; The fifth hydraulic cylinder is respectively installed on two opposite side walls of the steel casing along the radial direction of the steel casing, and the moving ends of the fifth hydraulic cylinders on both sides are arranged opposite to each other; The clamping blocks are respectively installed on the moving ends of the fifth hydraulic cylinders on both sides, are both located inside the support tube, and are used to abut against the outer wall of the steel casing.

4. A different diameter pile position limiting protection device according to claim 3, characterized in that: Also includes: A rotating shaft is rotatably mounted on the side wall of the support tube along the radial direction of the steel casing, and the axial direction of the rotating shaft is perpendicular to the movement direction of the moving ends of the fifth hydraulic cylinders on both sides; A gear, mounted on the rotating shaft and located inside the supporting cylinder; A first rack, mounted on one of the clamping blocks on both sides along the moving direction of the moving end of the fifth hydraulic cylinder on both sides, and meshing with the gear; A second rack is installed on the other of the clamping blocks on both sides along the moving direction of the moving end of the fifth hydraulic cylinder on both sides, and is meshed with the gear; Wherein, along the radial direction of the gear, the first rack and the second rack are located on both sides of the gear.

5. A different diameter pile position limiting protection device according to claim 4, characterized in that: Also includes: The sixth optical axis is slidably disposed on the two opposite side walls of the steel casing along the movement direction of the moving end of the fifth hydraulic cylinder on both sides, and the sixth optical axis on both sides is connected to the clamping blocks on both sides respectively.

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