Pile foundation reinforcement cage supporting device
Through the precise coordination of the central shaft, large gear, small gear, threaded column and transmission sleeve, combined with the design of polygonal guide rod and guide sleeve, the problem of insufficient adaptability and fixing reliability of traditional pile foundation steel cage support devices is solved, realizing fast and reliable locking and disassembly, significantly improving construction efficiency and equipment life.
Patent Information
- Application Number
- CN202520167208.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Traditional pile foundation steel cage support devices have rigid designs, making it difficult to adapt to steel cages of different sizes. Furthermore, the fixing methods are complex, resulting in low construction efficiency, unstable quality, high equipment costs, and short service life.
The precise coordination of the central shaft, large gear, small gear, threaded column, and transmission sleeve, combined with the design of polygonal guide rod and guide sleeve, enables precise adjustment of the support plate; the locking mechanism achieves fast and reliable locking through the ingenious coordination of mounting sleeve, sliding rod, locking block, locking groove, and tension spring; the quick-release mechanism achieves rapid release of the locked state through the coordination of abutment block, sliding groove, sliding sleeve, push plate, and rotating sleeve.
The support device achieves high adaptability to steel cages of different sizes, improves construction efficiency and quality, ensures the stability of locking and the convenience of operation, and extends the service life of the equipment.
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Figure CN223880322U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to modern building engineering technical field more specifically, it relates to a pile foundation reinforcement cage support device. BACKGROUND
[0002] In modern building engineering, pile foundation construction is the key link to ensure the stability and safety of buildings, with the continuous expansion of building scale and the increasing complexity of structure, the size and shape of pile foundation reinforcement cage also show the trend of diversification, however, the traditional pile foundation reinforcement cage support device is often designed rigidly, it is difficult to adapt to different size reinforcement cage, this limitation not only increases the construction difficulty, also may affect the quality and stability of pile foundation, construction personnel often need to prepare multiple sets of support device for different specifications of reinforcement cage, this not only increases the equipment cost, also reduces the construction efficiency.
[0003] In the tense progress of pile foundation construction, the rapid fixing and dismounting of reinforcement cage is crucial to improve work efficiency, however, the existing support device usually adopts complex fixing mode, needs to use special tool and longer operation time, this not only prolongs the construction period, may lead to unstable support or firm fixing, affects the construction quality and safety, in the frequent installation and dismounting process, the components of traditional device are easy to be worn, reduces the service life of equipment. UTILITY MODEL CONTENTS
[0004] (I) technical problem solved
[0005] In view of the problems in the prior art, the utility model provides a pile foundation reinforcement cage support device to solve the technical problem that the existing support device in the background art usually adopts complex fixing mode, needs to use special tool and longer operation time, this not only prolongs the construction period, may lead to unstable support or firm fixing.
[0006] (II) technical scheme
[0007] To achieve the above object, the utility model provides the following technical scheme: A pile foundation reinforcement cage support device, including the center block, be provided with expansion mechanism on the center block, expansion mechanism includes center axis, big gear, pinion, threaded column, transmission sleeve and support plate, center axis rotation is installed in the center block, big gear is installed in the bottom of center block and is connected with center axis, pinion is provided with a plurality of rotation installations in the outer wall of center block, threaded block is installed in the outside of a plurality of pinions, transmission sleeve is connected in the outer wall of a plurality of threaded columns with thread, support plate is installed in the top of a plurality of transmission sleeves, the top of center block is provided with locking mechanism, locking mechanism includes installation sleeve, slide rod, clamping block, slot, connecting plate, tension spring and quick release mechanism, installation sleeve is installed in the top of center block, slide rod is provided with a plurality of sliding in the outer wall of installation sleeve, clamping block is installed in the bottom of a plurality of slide rods, slot is set in the outer wall of center rod, connecting plate is installed in the top of a plurality of slide rods, tension spring is provided with a plurality of respectively installed in the inner side of a plurality of connecting plates and is connected with the outer wall of installation sleeve.
[0008] The utility model further sets up, the outer wall of center block is equipped with guide rod, the guide rod is provided with a plurality of, a plurality of transmission sleeve inner wall are equipped with guide sleeve, a plurality of threaded column are all set up slide hole, a plurality of guide sleeve are respectively slid in a plurality of slide hole and are connected with guide rod sliding, this design is through the cooperation of guide rod, guide sleeve and slide hole, ensure the stability and accuracy of transmission sleeve in the moving process, prevent the deviation or rotation of transmission sleeve, also strengthen the rigidity of whole expansion mechanism, improve the reliability and durability of support device.
[0009] The utility model further sets up, a plurality of guide rods are all set up as polygon and are connected with guide sleeve sliding, and the guide rod of polygon design further strengthens the anti-rotation ability of guide system, ensures that transmission sleeve can only move along the predetermined straight line path, improves the accuracy and stability of support plate adjustment, also reduces the wear and tear of guide system, prolongs the service life of whole device.
[0010] The utility model further sets up, the top of center axis is equipped with handle, and the design of handle makes operation more convenient, and operating personnel can easily adjust the position of support plate by manual rotation handle, need not extra tool, improves the operation efficiency, also increases the accuracy of adjustment, makes support device more applicable to various field conditions.
[0011] The utility model further sets up, a plurality of slide rods are all set up as polygon and are connected with installation sleeve sliding, and the slide rod of polygon design ensures that slide rod can only carry out linear motion in installation sleeve and will not rotate, and this design strengthens the stability and reliability of locking mechanism, prevents accidental rotation of clamping block, thereby improves the safety and service life of whole support device.
[0012] The utility model further sets up, be equipped with the partition strip in the card block, the partition strip is provided with multiple groups, the design of partition strip increases the contact area between card block and the card groove, has improved the locking force, has dispersed the stress also, has reduced the local wear and tear, has prolonged the service life of card block and the card groove, has further strengthened the reliability and durability of whole locking mechanism.
[0013] The utility model further sets up, the quick release mechanism includes the block, the sliding slot, the sliding sleeve, the push board and the rotation sleeve, the block is installed on multiple groups card block top surface, the sliding slot is provided with multiple groups distribution in the installation sleeve outer wall, the sliding sleeve slides in multiple groups the sliding slot, the push board is provided with multiple groups installation in the sliding sleeve bottom surface, the rotation sleeve rotation is installed in the sliding sleeve bottom surface and is connected with the installation sleeve outer wall screw thread, the design of this quick release mechanism realizes the quick release of locking state, moves through the rotation of rotation sleeve sliding sleeve, further through the push board push block, makes card block separate from the card groove, whole process operation is simple, and the force transmission efficiency is high, has improved the dismounting efficiency and convenience of support device greatly.
[0014] The utility model further sets up, multiple groups the block top end and push board bottom end all are provided with inclined plane, and the block top end and push board bottom end of inclined plane design reduce the force required for pushing, make the unlocking process more smooth and relaxed, also reduce the abrasion between parts, prolong the service life of quick release mechanism, further improve the operation convenience and durability of whole support device.
[0015] (Three) beneficial effects
[0016] Compared with the prior art, the utility model provides a pile foundation reinforcement cage support device, has the following beneficial effects:
[0017] 1, the design of extension mechanism solves the problem that the traditional pile foundation reinforcement cage support device is difficult to adapt to different size reinforcement cage, through the precise cooperation of central shaft, gear, pinion, threaded column and transmission sleeve, the accurate adjustment of support plate is realized, the operator only needs to rotate the central shaft through the handle, can drive threaded column rotation through gear transmission system, and then drives transmission sleeve and support plate to move stably, the design of multiple guide rods and guide sleeves ensures the stability and accuracy of transmission sleeve movement, and the design of polygonal guide rod effectively prevents the rotation of transmission sleeve, further improves the accuracy of adjustment, this design not only can adapt to various size reinforcement cage, but also greatly improves the efficiency and precision of adjustment, significantly improves the construction quality and efficiency.
[0018] 2、The lock mechanism solves the problem of inconvenient fixation of the traditional support device through the ingenious cooperation of the mounting sleeve, the slide rod, the clamping block, the clamping groove, the connecting plate and the tension spring, and when the support plate is adjusted to the appropriate position, a plurality of slide rods are automatically moved inward under the action of the tension spring, so that the clamping block is tightly clamped with the clamping groove on the outer wall of the center rod, the stable sliding between the slide rod and the mounting sleeve is ensured by the polygonal design of the slide rod, the rotation of the clamping block is effectively prevented, a plurality of separation strips arranged in the clamping block increase the contact area with the clamping groove, the reliability of the locking is significantly improved, the synchronous movement of the plurality of slide rods is ensured by the design of the connecting plate, and the stability of the locking is further enhanced, the design not only realizes quick and reliable locking, but also greatly reduces the operation difficulty and the risk of failure, and improves the construction efficiency and safety.
[0019] 3、The quick release mechanism greatly improves the operation convenience of the entire support device, and through the precise cooperation of the abutting block, the sliding groove, the sliding sleeve, the push plate and the rotating sleeve, the quick release of the locked state is realized, the operator only needs to rotate the rotating sleeve, so as to drive the sliding sleeve to move through threaded transmission, and then drive the abutting block to move through the push plate, so that the clamping block is separated from the clamping groove, and the slope design of the top end of the abutting block and the bottom end of the push plate not only reduces the required operation force, but also ensures the stability of the unlocking action, the design makes the entire support device not only realize stable locking, but also be convenient for quick disassembly, perfectly meets the high requirements of modern pile foundation construction on efficiency and flexibility, significantly improves the construction efficiency and equipment service life, and in general, the design of the pile reinforcement cage support device fully solves the shortcomings of the traditional device in adaptability, fixation reliability and operation convenience, and provides an efficient, safe and flexible solution for pile foundation construction. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole structure schematic view of a pile reinforcement cage support device in the utility model;
[0021] Figure 2 It is a sectional structure schematic view of a transmission sleeve in the utility model;
[0022] Figure 3 It is a structure schematic view of a guide rod in the utility model;
[0023] Figure 4 It is a sectional structure schematic view of a lock mechanism in the utility model;
[0024] Figure 5 It is a structure schematic view of a clamping groove and a clamping block.
[0025] In the figure: 1, the center block; 2, the center shaft; 3, the large gear; 4, the pinion; 5, the threaded column; 6, the transmission sleeve; 7, the support plate; 8, the mounting sleeve; 9, the sliding rod; 10, the clamping block; 11, the clamping groove; 12, the connecting plate; 13, the tension spring; 14, the guide rod; 15, the guide sleeve; 16, the sliding hole; 17, the handle; 18, the partition strip; 19, the abutting block; 20, the sliding groove; 21, the sliding sleeve; 22, the push plate; 23, the rotating sleeve. DETAILED DESCRIPTION
[0026] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0028] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.
[0029] Please refer to Figures 1-5 A pile foundation reinforcement cage supporting device, including a center block 1, the center block 1 is provided with an expansion mechanism, the expansion mechanism includes a center shaft 2, a large gear 3, a pinion 4, a threaded column 5, a transmission sleeve 6 and a support plate 7, the center shaft 2 is rotatably installed in the center block 1, the large gear 3 is installed at the bottom end of the center block 1 and is connected with the center shaft 2, the pinion 4 is provided with a plurality of groups of rotatingly installed on the outer wall of the center block 1, the threaded block is installed outside the plurality of pinions 4, the transmission sleeve 6 is threadedly connected to the outer wall of the plurality of threaded columns 5, the support plate 7 is installed at the top end of the plurality of transmission sleeves 6, the top end of the center block 1 is provided with a locking mechanism, the locking mechanism includes a mounting sleeve 8, a sliding rod 9, a clamping block 10, a clamping groove 11, a connecting plate 12, a tension spring 13 and a quick release mechanism, the mounting sleeve 8 is installed at the top end of the center block 1, the sliding rod 9 is provided with a plurality of groups of sliding on the outer wall of the mounting sleeve 8, the clamping block 10 is installed at the bottom end of the plurality of sliding rods 9, the clamping groove 11 is arranged on the outer wall of the center rod, the connecting plate 12 is installed at the top end of the plurality of sliding rods 9, the tension spring 13 is provided with a plurality of groups of respectively installed on the inner side of the plurality of connecting plates 12 and connected with the outer wall of the mounting sleeve 8.
[0030] The outer wall of the center block 1 is provided with guide rods 14, the guide rods 14 are provided in multiple groups, the inner wall of each group of transmission sleeves 6 is provided with a guide sleeve 15, a sliding hole 16 is formed in the inner wall of each group of threaded columns 5, and the guide sleeves 15 are respectively slidably connected in the sliding holes 16 and the guide rods 14. The principle of this design is that the guide rods 14 and the guide sleeves 15 cooperate to realize accurate guidance and limiting of the transmission sleeves 6 during movement. Meanwhile, the sliding holes 16 allow the guide sleeves 15 to slide freely in the threaded columns 5, ensuring smooth movement of the transmission sleeves 6 and preventing deviation or shaking of the transmission sleeves 6 during movement, thereby improving the stability and accuracy of the entire expansion mechanism.
[0031] Each group of guide rods 14 is provided in a polygonal shape and is slidably connected with the guide sleeves 15. The polygonal guide rods 14 prevent rotation by utilizing geometric shapes, ensuring that the guide sleeves 15 can only slide along the axial direction of the guide rods 14 and cannot rotate. This design further enhances the stability and accuracy of the movement of the transmission sleeves 6, simplifies the structure of the guide system, and improves the reliability of the entire device.
[0032] The top end of the center shaft 2 is provided with a handle 17. The handle 17 provides a user-friendly interface for easy operation. By manually rotating the handle 17, the operator can directly control the rotation of the center shaft 2, thereby driving the entire expansion mechanism. This design simplifies the operation process and improves the accuracy and efficiency of adjustment.
[0033] Each group of sliding rods 9 is provided in a polygonal shape and is slidably connected with the mounting sleeve 8. The polygonal sliding rods 9 limit the degree of freedom of movement by utilizing geometric shapes, ensuring that the sliding rods 9 can only move linearly in the mounting sleeve 8 and cannot rotate. This design enhances the stability of the locking mechanism, prevents accidental rotation of the clamping block 10, and improves the reliability of the locking mechanism.
[0034] The clamping block 10 is provided with a partition strip 18. The partition strip 18 is provided in multiple groups. The design principle of the partition strip 18 is to increase the contact area and disperse stress. The multiple partition strips 18 form multiple small cavities in the clamping block 10, increasing the contact area with the clamping groove 11 and dispersing the stress during locking, thereby improving the locking strength, reducing local wear and tear, and prolonging the service life of the clamping block 10 and the clamping groove 11.
[0035] In this embodiment, when the reinforcement cage needs to be supported, the position of the support plate 7 is adjusted, the position of the plurality of clamping blocks 10 is limited by unlocking the mechanism, the operator rotates the central shaft 2 by rotating the handle 17, the rotation of the central shaft 2 drives the rotation of the large gear 3 at the bottom, the large gear 3 is engaged with the plurality of small gears 4, which drives the synchronous rotation of the small gears 4, the rotation of the small gears 4 drives the rotation of the threaded column 5 outside, since the transmission sleeve 6 is threadedly connected with the threaded column 5, the rotation of the threaded column 5 drives the movement of the transmission sleeve 6 along the threaded direction, the movement of the transmission sleeve 6 directly drives the outward expansion of the support plate 7 at the top to support the inner wall of the reinforcement cage, in this process, the cooperation of the guide rod 14 and the guide sleeve 15 ensures the stability of the movement trajectory of the transmission sleeve 6, the polygonal guide rod 14 design prevents the rotation of the transmission sleeve 6, and ensures the stable movement of the support plate 7, when the support plate 7 is adjusted to the appropriate position, the plurality of clamping blocks 10 are released from the limitation of the quick release mechanism, the plurality of slide rods 9 maintain the tendency to move inward under the action of the tension spring 13, so that the clamping blocks 10 at the bottom of the slide rod 9 are engaged with the clamping grooves 11 on the outer wall of the central rod, the polygonal design of the slide rod 9 ensures the stable sliding between the slide rod 9 and the mounting sleeve 8, prevents the rotation of the clamping block 10, and the plurality of partition strips 18 in the clamping block 10 increase the contact area with the clamping groove 11, improving the reliability of the locking.
[0036] Please refer to Figure 4 , as an embodiment of the quick release mechanism: the quick release mechanism includes a block 19, a sliding groove 20, a sliding sleeve 21, a push plate 22 and a rotating sleeve 23, the block 19 is installed on the top surface of the plurality of clamping blocks 10, the sliding groove 20 is provided with a plurality of groups distributed on the outer wall of the mounting sleeve 8, the sliding sleeve 21 slides in the plurality of sliding grooves 20, the push plate 22 is provided with a plurality of groups installed on the bottom surface of the sliding sleeve 21, and the rotating sleeve 23 is rotatably installed on the bottom surface of the sliding sleeve 21 and is threadedly connected with the outer wall of the mounting sleeve 8.
[0037] The top end of the plurality of blocks 19 and the bottom end of the push plate 22 are provided with inclined surfaces, the principle of the inclined surface design is to utilize the mechanical properties of the inclined surface, when the push plate 22 moves, the bottom inclined surface interacts with the inclined surface at the top end of the block 19, generates an outward force, makes the block 19 more easily pushed, thereby reducing the force required for unlocking, making the whole quick release process more easy and smooth.
[0038] More specifically, when the locking needs to be released, the operator rotates the rotating sleeve 23, the thread connection between the rotating sleeve 23 and the mounting sleeve 8 makes the sliding sleeve 21 move in the sliding groove 20, the push plate 22 at the bottom surface of the sliding sleeve 21 moves accordingly, the inclined surface at the bottom end of the push plate 22 cooperates with the inclined surface at the top end of the block 19, in the relative movement process, the push plate 22 pushes the block 19 outward, drives the clamping block 10 to disengage from the clamping groove 11, thereby releasing the locking state.
[0039] In summary, when the device is in use or operation: when the reinforcement cage needs to be supported, the position of the support plate 7 is adjusted, the position of the plurality of clamping blocks 10 is limited by the unlocking mechanism, the operator rotates the central shaft 2 by rotating the handle 17, the rotation of the central shaft 2 drives the rotation of the large gear 3 at the bottom, the large gear 3 is engaged with the plurality of small gears 4, which drives the small gears 4 to rotate synchronously, the rotation of the small gears 4 drives the rotation of the threaded column 5 outside, since the transmission sleeve 6 is threadedly connected with the threaded column 5, the rotation of the threaded column 5 drives the transmission sleeve 6 to move along the threaded direction, the movement of the transmission sleeve 6 directly drives the support plate 7 at the top to expand outwardly to support the inner wall of the reinforcement cage, in this process, the cooperation of the guide rod 14 and the guide sleeve 15 ensures the stability of the movement trajectory of the transmission sleeve 6, the polygonal guide rod 14 prevents the rotation of the transmission sleeve 6, and ensures the stable movement of the support plate 7, when the support plate 7 is adjusted to the appropriate position, the plurality of clamping blocks 10 are released from the limitation of the quick-release mechanism, the plurality of slide rods 9 maintain the tendency to move inwardly under the action of the tension spring 13, so that the clamping blocks 10 at the bottom of the slide rods 9 are engaged with the clamping grooves 11 on the outer wall of the central rod, the polygonal slide rods 9 ensure the stable sliding between the slide rods 9 and the mounting sleeve 8, and prevent the rotation of the clamping blocks 10, the plurality of partition strips 18 in the clamping blocks 10 increase the contact area with the clamping grooves 11, and improve the reliability of the locking.
[0040] When the locking needs to be released, the operator rotates the rotating sleeve 23, the threaded connection between the rotating sleeve 23 and the mounting sleeve 8 drives the sliding sleeve 21 to move in the sliding groove 20, the push plate 22 at the bottom of the sliding sleeve 21 moves accordingly, the inclined surface at the bottom end of the push plate 22 cooperates with the inclined surface at the top end of the abutting block 19, in the relative movement process, the push plate 22 pushes the abutting block 19 outwardly, which drives the clamping blocks 10 to disengage from the clamping grooves 11, so as to release the locking state.
[0041] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described one by one, and the welding is preferred for the fixed connection mentioned above, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A pile cage support apparatus comprising a central block (1) characterised in that: The center block (1) is provided with an expansion mechanism, the expansion mechanism comprises a center shaft (2), a large gear (3), a pinion (4), a threaded column (5), a transmission sleeve (6) and a support plate (7), the center shaft (2) is rotatably installed in the center block (1), the large gear (3) is installed at the bottom end of the center block (1) and is connected with the center shaft (2), the pinion (4) is provided with a plurality of groups rotatably installed on the outer wall of the center block (1), the threaded block is installed outside the plurality of pinions (4), the transmission sleeve (6) is threadedly connected to the outer wall of the plurality of threaded columns (5), and the support plate (7) is installed at the top end of the plurality of transmission sleeves (6), the top end of the center block (1) is provided with a locking mechanism, the locking mechanism comprises a mounting sleeve (8), a slide rod (9), a clamping block (10), a clamping groove (11), a connecting plate (12), a tension spring (13) and a quick release mechanism, the mounting sleeve (8) is installed at the top end of the center block (1), the slide rod (9) is provided with a plurality of groups sliding on the outer wall of the mounting sleeve (8), the clamping block (10) is installed at the bottom end of the plurality of slide rods (9), the clamping groove (11) is arranged on the outer wall of the center rod, the connecting plate (12) is installed at the top end of the plurality of slide rods (9), and the tension spring (13) is provided with a plurality of groups respectively installed on the inner side of the plurality of connecting plates (12) and connected with the outer wall of the mounting sleeve (8).
2. A pile reinforcement cage support apparatus according to claim 1, characterised in that: The outer wall of the center block (1) is provided with a guide rod (14), the guide rod (14) is provided with a plurality of groups, the inner wall of the plurality of transmission sleeves (6) is provided with a guide sleeve (15), the plurality of threaded columns (5) are provided with a sliding hole (16), and the plurality of guide sleeves (15) are respectively slidingly arranged in the plurality of sliding holes (16) and are slidingly connected with the guide rod (14).
3. A pile reinforcement cage support apparatus according to claim 2, characterised in that the plurality of sets of The guide rod (14) is provided with a plurality of polygons and is slidingly connected with the guide sleeve (15).
4. A pile reinforcement cage support apparatus according to claim 3, characterised in that: The top end of the center shaft (2) is provided with a handle (17).
5. A pile reinforcement cage support apparatus according to claim 4, characterised in that: The plurality of slide rods (9) are provided with a plurality of polygons and are slidingly connected with the mounting sleeve (8).
6. A pile reinforcement cage support apparatus according to claim 5, characterised in that: The clamping block (10) is provided with a partition strip (18), and the partition strip (18) is provided with a plurality of groups.
7. A pile reinforcement cage support apparatus according to claim 6, characterised in that: The quick release mechanism comprises a resisting block (19), a sliding groove (20), a sliding sleeve (21), a push plate (22) and a rotating sleeve (23), the resisting block (19) is installed on the top surface of the plurality of clamping blocks (10), the sliding groove (20) is provided with a plurality of groups distributed on the outer wall of the mounting sleeve (8), the sliding sleeve (21) is slidingly arranged in the plurality of sliding grooves (20), the push plate (22) is provided with a plurality of groups installed on the bottom surface of the sliding sleeve (21), and the rotating sleeve (23) is rotatably installed on the bottom surface of the sliding sleeve (21) and is threadedly connected with the outer wall of the mounting sleeve (8).
8. A pile reinforcement cage support apparatus according to claim 7, characterised in that the plurality of sets of The top end of the resisting block (19) and the bottom end of the push plate (22) are provided with inclined surfaces.