An assembled caisson convenient for construction

Abstract

The present invention relates to the technical field of assembled caissons, and specifically to an assembled caisson that is easy to construct, comprising a blade foot, a splicing structure, an assembly structure, a locking structure, a guide structure and a protective structure; a multi-layer annular well is installed through the splicing structure, and the splicing seams of the multi-layer annular wells are staggered, thereby improving the pressure-bearing effect of the annular wells; the stability of the connection between the annular wells and the blade foot, and between the annular wells, is improved through the assembly structure, thereby improving the assembly effect of the annular wells; two adjacent well plates are locked through the locking structure, and the guide structure is convenient to be installed on the locking structure on site, which is convenient for guiding the well plate to be installed, thereby improving the assembly efficiency of the well plate; the protective structure is used to block the backflowing soil, thereby preventing the soil from flowing into the well or onto the water stop groove when the annular well sinks, thereby avoiding the subsequent secondary throwing out or cleaning of the backflowing soil, thereby improving the assembly effect.

Description

Technical Field

[0001] The invention relates to the technical field of assembled caissons, in particular to an assembled caisson which is easy to construct. Background Art

[0002] A caisson is a structural facility used for operations underwater or in mud. It can provide a stable working platform, allowing workers to work in an underwater environment. The caisson is mainly a cast structure. During the construction process, steel pipes are first used to build a rack as a support system for the formwork. After the formwork is supported, concrete is poured. After the concrete is formed, the caisson is excavated and sunk into place after the concrete reaches a certain strength. However, its construction period is long, and the process is relatively complicated. The construction efficiency is low and the construction quality is difficult to guarantee. In addition, some caissons use prefabricated assembly structures. During the construction process, the prefabricated well pieces are assembled together, and the construction efficiency is relatively improved, that is, prefabricated caissons.

[0003] However, when installing the traditional assembled caisson, the pin plate is inserted on each layer of the well plate so that the upper and lower layers of the annular well can be stably connected. After the upper and lower layers of the annular well are assembled, the grouting holes on the pin plate need to be opened, and grouting is injected into the grouting holes through a grouting machine to improve the connection stability of the connection between the pin plate and the well plate. During grouting, since the pin plate is only plugged into the well plate and is mostly a simple arc structure, excessive grouting can easily cause the pin plate to be supported externally, and the connection firmness becomes poor. At the same time, after the direct grouting is completed, the grouting port is directly blocked with a wooden plug. , the wooden plug is easily pushed down by the filled slurry, causing the slurry to flow out and the wooden plug seal is unstable; when the caisson is assembled, the well plate is large in size, and when a single well plate falls, it is easy to deviate, and it needs to be constantly positioned and calibrated, and the construction efficiency is low; after each layer of the annular well is assembled, the soil in the well needs to be dug out to make the blade foot and the assembled annular well sink. When sinking, the soil on the outside of the annular well is easy to flow back into the well, and the secondary cleaning is time-consuming and labor-intensive. At the same time, the soil is easy to scatter on the water stop groove of the annular well or the blade foot, and the subsequent cleaning is more troublesome. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides an assembled caisson which is easy to construct.

[0005] The technical solution adopted by the present invention to solve the technical problem is: an assembled caisson that is easy to construct, comprising a blade foot with a trapezoidal cross-section at the bottom end, a splicing structure installed on the blade foot, an assembly structure provided on the blade foot and the splicing structure, a locking structure installed on the splicing structure, a guide structure installed on the locking structure, and a protective structure installed on the splicing structure;

[0006] The splicing structure includes an annular well formed by splicing blocks of well plates and a lifting ring, an annular well formed by splicing multiple blocks of the well plates is installed on the blade foot, multiple lifting rings are fixedly connected to the blade foot and the well plate, the bottom end of the well plate is provided with multiple and first positioning grooves, the lifting ring on the blade foot is plugged into the first positioning groove at the bottom end of the well plate, the lifting ring at the top end of the annular well formed by splicing multiple blocks of the well plates on the first layer is plugged into the first positioning groove at the bottom end of the annular well formed by splicing multiple blocks of the well plates on the second layer, and the splicing seams of the annular wells on the first layer are offset from the splicing seams of the annular wells on the second layer;

[0007] The assembly structure includes a slot and a pin plate. The blade foot and the well plate are both provided with a plurality of slots, and the slots are plugged with pin plates. The pin plates plugged on the blade foot are plugged into the slots at the bottom ends of the well plates of the first layer, and the pin plates plugged into the slots at the top ends of the well plates of the first layer are plugged into the slots at the bottom ends of the well plates of the second layer. The cross-sections of the slots and the pin plates are both "cross" shaped structures.

[0008] Specifically, the blade foot and the top of the well plate are both provided with a water stop groove, and sealing rings are installed inside the water stop grooves. The annular well of the first layer conflicts with the sealing ring installed on the blade foot, and the annular well of the second layer conflicts with the sealing ring installed on the annular well of the first layer.

[0009] Specifically, the sealing ring is provided with a plurality of mounting holes, and the hanging ring is plugged into the mounting holes.

[0010] Specifically, the pin plate is symmetrically provided with two grouting holes, the interior of the grouting hole is fixedly connected with a prefabricated sleeve, the interior of the prefabricated sleeve is provided with a grouting channel, the prefabricated sleeve is fixedly connected with an internal threaded ring, the internal threaded ring is threadedly connected with a screw block, the screw block is fixedly connected with a sealing plug, and the sealing plug blocks the grouting channel.

[0011] Specifically, the locking structure includes prefabricated grooves and prefabricated channels. The well plate is provided with a plurality of prefabricated grooves and prefabricated channels. The same steel wire rope runs through two prefabricated channels on two adjacent well plates and at the same height. Both ends of the steel wire rope are fixedly connected with locking heads. A gasket is provided on the outside of the locking head, and a locking nut is threadedly connected to the locking head.

[0012] Specifically, the aperture of the prefabricated groove is larger than the aperture of the prefabricated channel, the outer diameter of the gasket is larger than the aperture of the prefabricated channel, the gasket is in conflict with the well plate, and the locking nut is in conflict with the gasket.

[0013] Specifically, the guide structure includes a sleeve and a bolt. The sleeve is inserted in the prefabricated groove, and the sleeve is threaded with a bolt. The end of the bolt facing away from the sleeve is fixedly connected to the connecting plate. A guide wheel is installed on the connecting plate, and the guide wheel abuts against the well plate. The sleeve is provided with a hole, which is connected to the locking nut.

[0014] Specifically, two pressing blocks are slidably connected to the socket, and a connecting strip is fixedly connected to the pressing block. The connecting strip is slidably connected to the socket, and a clamping block with a cross-section is fixedly connected to the connecting strip. The gasket is provided with a clamping groove with an L-shaped cross-section, and the clamping block is engaged with the clamping groove. A first spring is fixedly connected between the connecting strip and the socket, and a guide shaft passes through the interior of the first spring. Both ends of the guide shaft are fixedly connected to the interior of the socket, and the connecting strip is slidably connected to the guide shaft.

[0015] Specifically, the protective structure includes an annular protective plate and a plurality of second positioning grooves arranged at the bottom end of the annular protective plate. An annular protective plate is provided at the top of the well plate. The second positioning groove is plugged into a lifting ring. A plurality of buckle rods are slidably connected to the annular protective plate. The buckle rods are engaged with the lifting rings. An anti-slip block is fixedly connected to the end of the buckle rod. The anti-slip block is slidably connected to the protective plate. A second spring is clamped between the anti-slip block and the protective plate.

[0016] Specifically, the cross section of the buckle rod is a U-shaped structure, and the cross section of the bottom end of the buckle rod is a trapezoidal structure.

[0017] The beneficial effects of the present invention are:

[0018] (1) The present invention discloses an assembled caisson which is easy to construct. A splicing structure is installed on the blade foot, and an assembly structure is provided on the splicing structure. Multi-layer annular wells are installed through the splicing structure. The splicing seams of the multi-layer annular wells are staggered, thereby improving the pressure-bearing effect of the annular wells. The assembly structure improves the stability of the connection between the annular wells and the blade foot, and between the annular wells, thereby improving the assembly effect of the annular wells.

[0019] (2) The present invention provides an assembled caisson that is easy to construct, wherein a locking structure is provided between two adjacent well plates, and a guide structure is installed on the locking structure. The two adjacent well plates are locked by the locking structure, and the guide structure can be easily installed on the locking structure on site, thereby facilitating the guidance of the well plate to be installed, thereby improving the assembly efficiency of the well plate.

[0020] (3) The present invention provides an assembled caisson that is easy to construct, and a protective structure is installed on the caisson plate. The protective structure is used to shield the backflowing soil, thereby preventing the soil from flowing into the caisson or onto the water stop groove when the annular caisson sinks, thereby avoiding the subsequent secondary throwing out or cleaning of the backflowing soil, and improving the assembly effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 A schematic diagram of the overall structure of a preferred embodiment of an assembled caisson that is easy to construct provided by the present invention;

[0023] Figure 2 It is a schematic diagram of the connection structure between the blade foot and the pin plate of the present invention;

[0024] Figure 3 for Figure 2 An enlarged schematic diagram of the structure of section A is shown;

[0025] Figure 4 for Figure 2 An enlarged schematic diagram of the structure of part B is shown;

[0026] Figure 5 It is a schematic diagram of the connection structure between the water stop groove and the sealing ring of the present invention;

[0027] Figure 6 for Figure 5 An enlarged schematic diagram of the C-section structure is shown;

[0028] Figure 7 It is a schematic diagram of the connection structure between the protective plate and the second positioning groove of the present invention;

[0029] Figure 8 for Figure 7 An enlarged schematic diagram of the D-section structure is shown;

[0030] Fig. 9 It is a schematic diagram of the connection structure between the well plate and the pin plate of the present invention;

[0031] Fig.10 for Fig. 9 An enlarged schematic diagram of the structure of part E is shown;

[0032] Fig.11 It is a schematic diagram of the connection structure between the pin plate and the prefabricated sleeve of the present invention;

[0033] Fig.12 for Fig.11 The enlarged schematic diagram of the F part structure is shown;

[0034] Fig.13 It is a schematic diagram of the connection structure between the lock head and the lock nut of the present invention;

[0035] Fig.14 It is a schematic diagram of the connection structure between the socket and the bolt of the present invention;

[0036] Fig.15 for Fig.14 The enlarged schematic diagram of the G-section structure shown;

[0037] Fig.16 It is a schematic diagram of the connection structure between the plug sleeve and the locking nut of the present invention;

[0038] Fig.17 It is a schematic diagram of the connection structure between the plug sleeve and the pressing block of the present invention.

[0039] In the figure: 1. blade foot; 2. splicing structure; 201. well plate; 202. lifting ring; 203. first positioning groove; 204. water stop groove; 205. sealing ring; 206. mounting hole; 3. assembly structure; 301. slot; 302. pin plate; 303. grouting hole; 304. prefabricated sleeve; 305. grouting channel; 306. internal thread ring; 307. screw block; 308. sealing plug; 4. locking structure; 401. prefabricated groove; 402. prefabricated channel; 403. wire rope ; 404, gasket; 405, lock head; 406, locking nut; 5, guide structure; 501, sleeve; 502, bolt; 503, connecting plate; 504, guide wheel; 505, socket; 506, pressing block; 507, connecting strip; 508, block; 509, slot; 510, guide shaft; 511, first spring; 6, protection structure; 601, protection plate; 602, second positioning slot; 603, buckle rod; 604, anti-slip block; 605, second spring. DETAILED DESCRIPTION

[0040] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0041] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Fig. 9 , Fig.10 , Fig.11 and Fig.12 As shown, the present invention provides an assembled caisson that is easy to construct, comprising a blade foot 1 with a trapezoidal cross section at the bottom end, a splicing structure 2 installed on the blade foot 1, an assembly structure 3 provided on the blade foot 1 and the splicing structure 2, a locking structure 4 installed on the splicing structure 2, a guide structure 5 installed on the locking structure 4, and a protective structure 6 installed on the splicing structure 2;

[0042] The splicing structure 2 includes an annular well formed by splicing blocks of well plates 201 and a lifting ring 202. An annular well formed by splicing multiple blocks of the well plates 201 is installed on the blade foot 1. Multiple lifting rings 202 are fixedly connected to the blade foot 1 and the well plate 201. The bottom end of the well plate 201 is provided with multiple and first positioning grooves 203. The lifting ring 202 on the blade foot 1 is plugged into the first positioning groove 203 at the bottom end of the well plate 201. The lifting ring 202 at the top of the annular well formed by splicing multiple blocks of the well plates 201 on the first layer is plugged into the first positioning groove 203 at the bottom end of the annular well formed by splicing multiple blocks of the well plates 201 on the second layer, and the splicing seams of the annular wells on the first layer are misaligned with the splicing seams of the annular wells on the second layer.

[0043] The assembly structure 3 includes a slot 301 and a pin plate 302. The blade foot 1 and the well plate 201 are both provided with a plurality of slots 301, and the slots 301 are plugged with pin plates 302. The pin plates 302 plugged on the blade foot 1 are plugged with the slots 301 at the bottom of the plurality of well plates 201 of the first layer, and the pin plates 302 plugged in the slots 301 at the top of the plurality of well plates 201 of the first layer are plugged with the slots 301 at the bottom of the plurality of well plates 201 of the second layer. The cross-sections of the slots 301 and the pin plates 302 are both "cross" shaped structures.

[0044] The blade foot 1 and the top of the well plate 201 are both provided with a water stop groove 204, and a sealing ring 205 is installed inside the water stop groove 204. The annular well of the first layer conflicts with the sealing ring 205 installed on the blade foot 1, and the annular well of the second layer conflicts with the sealing ring 205 installed on the annular well of the first layer; a plurality of mounting holes 206 are opened on the sealing ring 205, and the lifting ring 202 is plugged into the mounting hole 206; two grouting holes 303 are symmetrically provided on the pin plate 302, and a prefabricated sleeve 304 is fixedly connected inside the grouting hole 303, and a grouting channel 305 is provided inside the prefabricated sleeve 304, and an internal threaded ring 306 is fixedly connected to the prefabricated sleeve 304, and a screw block 307 is threadedly connected to the internal threaded ring 306, and a sealing plug 308 is fixedly connected to the screw block 307, and the sealing plug 308 blocks the grouting channel 305;When the annular well needs to be assembled, the address is selected first, and then the blade foot 1 is hoisted to the designated position by the hoisting equipment. The bottom cross-section of the blade foot 1 is a trapezoidal structure, which improves the ground-breaking ability of the blade foot 1. Then, the multiple mounting holes 206 on the sealing ring 205 are aligned with the multiple lifting rings 202 on the blade foot 1, and then the sealing ring 205 is assembled in the water stop groove 204, and then the well plate 201 is installed. Before installation, the pin plate 302 is first inserted into the slot 301 on the blade foot 1. When installing the well plate 201, the slot 301 at the bottom of the well plate 201 is aligned with the blade foot 1. The pin plate 302 on the foot 1 is inserted, and the protruding part at the bottom of the well plate 201 is engaged with the water stop groove 204 on the blade foot 1, which improves the sealing of the caisson. Then, multiple well plates 201 are installed, and multiple well plates 201 are spliced ​​into an annular well. The convex part and the concave part between two adjacent well plates 201 are engaged, which improves the tight connection. When multiple well plates 201 are installed on the blade foot 1, grouting is performed in turn at the connection between the multiple pin plates 302 and the well plate 201 and the blade foot 1. During grouting, the screw block 307 on the pin plate 302 is rotated, and the screw block 307 is then separated from the internal thread ring 306. At this time, the sealing plug 308 on the screw block 307 no longer blocks the grouting channel 305. The grouting pipe of the grouting machine is inserted into the prefabricated sleeve 304 located below the same pin plate 302. The slurry enters the grouting hole 303 from the grouting channel 305 and finally stays in the gap between the pin plate 302 and the well plate 201 and the blade foot 1. When the slurry is injected too much, it will flow out from the grouting hole 303 above. At this time, the grouting is stopped. The prefabricated sleeve 304 can be put in when the pin plate 302 is poured, and the pin plate 302 is connected with the pin plate 302. 02 is formed together, which improves the tightness of the connection between the pin plate 302 and the prefabricated sleeve 304. After the well plates 201 of one layer are fixed on the blade foot 1 through the pin plate 302 and locked together into an annular well through the locking structure 4, the soil in the well is dug out by the digging device. After digging to a certain extent, the blade foot 1 and the first layer of the annular well sink. When sinking, the protective structure 6 is used to prevent the soil from flowing back. Then, the annular wells of the actual number of layers required are assembled according to the same assembly method. The joints between the multiple layers of annular wells are staggered, which improves the stability of the overall caisson. ;

[0045] Specifically, Figure 1 , Figure 6 , Fig.10 , Fig.13 , Fig.14 , Fig.15 , Fig.16 and Fig.17As shown, the locking structure 4 includes a prefabricated groove 401 and a prefabricated channel 402. A plurality of prefabricated grooves 401 and prefabricated channels 402 are provided on the well plate 201. The same steel wire 403 runs through two prefabricated channels 402 on two adjacent well plates 201 and at the same height. Both ends of the steel wire 403 are fixedly connected with a locking head 405. A gasket 404 is sleeved on the outside of the locking head 405. A locking nut 406 is threadedly connected to the locking head 405. The aperture of the prefabricated groove 401 is larger than the aperture of the prefabricated channel 402. The outer diameter of the gasket 404 is larger than the aperture of the prefabricated channel 402. The gasket 404 conflicts with the well plate 201, and the locking nut 406 conflicts with the gasket 404.

[0046] The guide structure 5 includes a sleeve 501 and a bolt 502. The sleeve 501 is inserted into the prefabricated groove 401. The sleeve 501 is threadedly connected with the bolt 502. The end of the bolt 502 away from the sleeve 501 is fixedly connected to the connecting plate 503. A guide wheel 504 is installed on the connecting plate 503. The guide wheel 504 contacts the well plate 201. The sleeve 501 is provided with a socket 505, and the socket 505 is plugged with the locking nut 406. Two pressing blocks 506 are slidably connected to the sleeve 501. The pressing blocks 506 A connecting strip 507 is fixedly connected on the upper part, and the connecting strip 507 is slidably connected to the plug sleeve 501. A block 508 with a cross section is fixedly connected to the connecting strip 507. A slot 509 with an L-shaped cross section is provided on the gasket 404. The block 508 is engaged with the slot 509. A first spring 511 is fixedly connected between the connecting strip 507 and the plug sleeve 501. A guide shaft 510 runs through the interior of the first spring 511. Both ends of the guide shaft 510 are fixedly connected to the interior of the plug sleeve 501. The connecting strip 507 is slidably connected to the guide shaft 510.When locking two adjacent well plates 201, a matching gasket 404 is installed on one end of the steel wire 403, and then a locking nut 406 is locked on the locking head 405, and then the other end of the steel wire 403 is passed through the adjacent prefabricated grooves 401 and prefabricated channels 402 at the same height, and then a gasket 404 is installed on another locking head 405, and then a locking nut 406 is installed, and the locking nut 406 is continuously locked, and then the two adjacent well plates are tightened by the steel wire 403, thereby improving the stability of the connection between the well plates 201. When the well plates 201 of the annular well of one layer are locked by the locking structure 4, the second layer of annular wells is installed. When the well is welled, the sleeve 501 can be inserted into the prefabricated groove 401, and the socket 505 on the sleeve 501 is plugged with the locking nut 406. At the same time, the block 508 on the sleeve 501 is a trapezoidal structure, so it will conflict with the gasket 404. Continuing to push the sleeve 501 will make the two blocks 508 slide towards each other, drive the connecting strip 507 to slide, and the first spring 511 is compressed. When the block 508 is inserted into the inside of the gasket 404, the first spring 511 is reset and then drives the connecting strip 507 and the block 508 to reset. The block 508 is then engaged with the slot 509 on the gasket 404, so that the sleeve 501 is fixedly installed. The bolts 502 and the connecting plate 503 can be installed on the plug sleeve 501 between the prefabricated grooves 401 installed on the well plate 201. Therefore, after the plug sleeve 501 is installed on the well plate 201, the connecting plate 503 is not necessarily in a vertical state. At this time, the connecting plate 503 can be slightly rotated to loosen or tighten the bolts 502 slightly, and then the connecting plate 503 is rotated to make the connecting plate 503 in a vertical state. Two connecting plates 503 are installed at the joint of the two well plates 201. When the hoisting equipment hoists the well plate 201 on a higher level, the installation position can be quickly determined according to the connecting plate 503, and at the same time, it is guided by the guide wheel 504 to reduce friction. The force makes the calibration and installation of the well plate 201 faster, and the well plate 201 of the second layer can be quickly plugged into the pin plate 302 installed at the top of the well plate 201 of the first layer. The setting of the guide shaft 510 improves the sliding stability of the connecting strip 507 and prevents the first spring 511 from running off. When the connecting plate 503 needs to be disassembled, it is only necessary to press the two pressing blocks 506 to slide the two connecting strips 507 and the clamping block 508. After the clamping block 508 is not engaged with the clamping groove 509, the plug sleeve 501 can be pulled out, and then the plug sleeve 501 can be installed at the next station where the well plate 201 is to be hoisted. The operation is convenient and the assembly efficiency of the well plate 201 is improved. ;

[0047] Specifically, Figure 1 , Figure 2 , Figure 4 , Figure 7 and Figure 8As shown, the protective structure 6 includes an annular protective plate 601 and a plurality of second positioning grooves 602 provided at the bottom end of the annular protective plate 601. The top end of the well plate 201 is provided with an annular protective plate 601. The second positioning grooves 602 are plugged with the lifting ring 202. A plurality of buckle rods 603 are slidably connected to the annular protective plate 601. The buckle rods 603 are engaged with the lifting ring 202. The ends of the buckle rods 603 are fixedly connected with anti-dropping blocks 604. The anti-dropping blocks 604 are fixedly connected to the ends of the buckle rods 603. 04 is slidably connected with the protective plate 601, and a second spring 605 is clamped between the anti-drop block 604 and the protective plate 601; the cross-section of the buckle rod 603 is a U-shaped structure, and the cross-section of the bottom end of the buckle rod 603 is a trapezoidal structure; when the soil inside the annular well is hollowed out, the protective plate 601 can be plugged into the lifting ring 202 at the top of the annular well, so that the second positioning groove 602 at the top of the protective plate 601 is plugged into the lifting ring 202, and the lifting ring 202 will resist the buckle rod 603, and the buckle The cross section of the bottom end of the rod 603 is a trapezoidal structure. Therefore, the buckle rod 603 will slide outward, driving the anti-dropping block 604 to slide outward, and the second spring 605 will be compressed. When the lifting ring 202 passes over the buckle rod 603, the second spring 605 will reset, thereby driving the anti-dropping block 604 and the buckle rod 603 to reset, so that the buckle rod 603 is inserted into the hole of the lifting ring 202, and then the protective plate 601 is installed. When the blade foot 1 and the annular well sink, the protective plate 601 will be driven to sink together, and the outer The soil is blocked by the protective plate 601, thereby preventing the excavated soil from flowing back. When the protective plate 601 needs to be removed to install the next layer of the annular well, the buckle rod 603 can be pulled, and then the protective plate 601 can be slightly lifted to make the end of the buckle rod 603 contact the lifting ring 202, and then continue to follow the same operation to make the ends of other buckle rods 603 contact the lifting ring 202, and then lift the protective plate 601 upwards, and then remove the protective plate 601, thereby improving the assembly efficiency of the annular well.

[0048] When the present invention is used, first, when it is necessary to assemble the annular well, the address is selected first, and then the blade foot 1 is hoisted to the designated position by the hoisting equipment. The bottom end cross section of the blade foot 1 is a trapezoidal structure, which improves the ground-breaking ability of the blade foot 1. Then, the multiple mounting holes 206 on the sealing ring 205 are aligned with the multiple lifting rings 202 on the blade foot 1, and then the sealing ring 205 is assembled in the water stop groove 204, and then the well plate 201 is installed. Before installation, the pin plate 302 is first inserted into the slot 301 on the blade foot 1. When installing the well plate 201, the bottom end of the well plate 201 is aligned with the bottom end of the well plate 201. The slot 301 is aligned with the pin plate 302 on the blade foot 1 and inserted, and the protruding part at the bottom of the well plate 201 is engaged with the water stop groove 204 on the blade foot 1, thereby improving the sealing of the caisson. Then, multiple well plates 201 are installed, and multiple well plates 201 are spliced ​​into an annular well. The convex part and the concave part between two adjacent well plates 201 are engaged, thereby improving the tight connection. After multiple well plates 201 are installed on the blade foot 1, grouting is sequentially performed on the connection between the multiple pin plates 302 and the well plate 201 and the blade foot 1. During grouting, the screw block 304 on the pin plate 302 is rotated. 07, the screw block 307 is then separated from the internal thread ring 306. At this time, the sealing plug 308 on the screw block 307 no longer blocks the grouting channel 305. The grouting pipe of the grouting machine is inserted into the prefabricated sleeve 304 located below the same pin plate 302. The slurry enters the grouting hole 303 from the grouting channel 305 and finally stays in the gap between the pin plate 302 and the well plate 201 and the blade foot 1. When too much slurry is injected, it will flow out from the grouting hole 303 above. At this time, the grouting is stopped. The prefabricated sleeve 304 can be put in when the pin plate 302 is poured. The pin plate 302 is formed together, which improves the tightness of the connection between the pin plate 302 and the prefabricated sleeve 304. After the well plates 201 of a layer are fixed on the blade foot 1 through the pin plate 302 and locked to each other into an annular well through the locking structure 4, the soil in the well is dug out by the digging device. After digging to a certain extent, the blade foot 1 and the first layer of the annular well sink. When sinking, the protective structure 6 is used to prevent the soil from flowing back. Then, the annular wells of the actual number of layers required are assembled according to the same assembly method. The joints between the multiple layers of annular wells are staggered, which improves the stability of the overall caisson.

[0049] Then, when locking two adjacent well plates 201, a matching gasket 404 is installed on one end of the steel wire rope 403, and then a locking nut 406 is locked on the locking head 405, and then the other end of the steel wire rope 403 is passed through the adjacent prefabricated groove 401 and the prefabricated channel 402 at the same height, and then a gasket 404 is installed on another locking head 405, and then a locking nut 406 is installed, and the locking nut 406 is continuously locked, and then the two adjacent well plates are tightened by the steel wire rope 403, thereby improving the stability of the connection between the well plates 201. When the well plates 201 of the annular well of one layer are locked by the locking structure 4, the second layer is installed. When the annular well is formed, the sleeve 501 can be inserted into the prefabricated groove 401, and the socket 505 on the sleeve 501 is plugged with the locking nut 406. At the same time, the block 508 on the sleeve 501 is a trapezoidal structure, so it will conflict with the gasket 404. Continue to push the sleeve 501, so that the two blocks 508 slide toward each other, drive the connecting strip 507 to slide, and the first spring 511 is compressed. When the block 508 is inserted into the inside of the gasket 404, the first spring 511 is reset and then drives the connecting strip 507 and the block 508 to reset. The block 508 is then engaged with the slot 509 on the gasket 404, so that the sleeve 501 is fixedly installed. 1 is installed between the prefabricated grooves 401 on the well plate 201, and the bolts 502 and the connecting plate 503 can be installed on the plug sleeve 501 first. Therefore, after the plug sleeve 501 is installed on the well plate 201, the connecting plate 503 is not necessarily in a vertical state. At this time, the connecting plate 503 can be slightly rotated to loosen or tighten the bolts 502 slightly, and then the connecting plate 503 is rotated to make the connecting plate 503 in a vertical state. Two connecting plates 503 are installed at the joint of two well plates 201. When the hoisting equipment hoists the well plate 201 on a higher level, the installation position can be quickly determined according to the connecting plate 503, and at the same time, it is guided by the guide wheel 504 to reduce friction. The friction makes the calibration and installation of the well plate 201 faster, and the well plate 201 of the second layer can be quickly plugged into the pin plate 302 installed at the top of the well plate 201 of the first layer. The setting of the guide shaft 510 improves the sliding stability of the connecting strip 507 and avoids the deviation of the first spring 511. When the connecting plate 503 needs to be disassembled, it is only necessary to press the two pressing blocks 506 to make the two connecting strips 507 slide with the clamping block 508. After the clamping block 508 is not engaged with the clamping groove 509, the plug sleeve 501 can be pulled out, and then the plug sleeve 501 can be installed at the next station where the well plate 201 is to be hoisted. The operation is convenient and the assembly efficiency of the well plate 201 is improved.

[0050] Finally, when the soil inside the annular well is hollowed out, the protective plate 601 can be plugged into the lifting ring 202 at the top of the annular well, so that the second positioning groove 602 at the top of the protective plate 601 is plugged into the lifting ring 202, and the lifting ring 202 will resist the buckle rod 603. The cross-section of the bottom end of the buckle rod 603 is a trapezoidal structure. Therefore, the buckle rod 603 will slide outward, driving the anti-slip block 604 to slide outward, and the second spring 605 is compressed. When the lifting ring 202 passes over the buckle rod 603, the second spring 605 is reset, thereby driving the anti-slip block 604 and the buckle rod 603 to reset, and then the buckle rod 603 is inserted into the hole of the lifting ring 202. A protective plate 601 is installed in the hole. When the blade foot 1 and the annular well sink, the protective plate 601 will be driven to sink together. The outer soil is blocked by the protective plate 601, thereby preventing the excavated soil from flowing back. When the protective plate 601 needs to be removed to install the next layer of the annular well, the buckle rod 603 can be pulled, and then the protective plate 601 is slightly lifted to make the end of the buckle rod 603 contact the lifting ring 202, and then continue to follow the same operation to make the ends of other buckle rods 603 contact the lifting ring 202, and then lift the protective plate 601 upwards, and then remove the protective plate 601, thereby improving the assembly efficiency of the annular well.

[0051] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0052] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An assembled caisson that is easy to construct, characterized in that: It comprises a blade foot (1) with a trapezoidal bottom cross-section, a splicing structure (2) mounted on the blade foot (1), an assembly structure (3) provided on the blade foot (1) and the splicing structure (2), a locking structure (4) mounted on the splicing structure (2), a guiding structure (5) mounted on the locking structure (4), and a protective structure (6) mounted on the splicing structure (2); The splicing structure (2) comprises an annular well formed by splicing blocks of well plates (201) and a lifting ring (202); an annular well formed by splicing blocks of well plates (201) is installed on the blade foot (1); the blade foot (1) and the well plate (201) are both fixedly connected with a plurality of lifting rings (202); a plurality of first positioning grooves (203) are provided at the bottom end of the well plate (201); the lifting ring (202) on the blade foot (1) is plugged into the first positioning groove (203) at the bottom end of the well plate (201); the lifting ring (202) at the top end of the annular well formed by splicing blocks of the well plates (201) of the first layer is plugged into the first positioning groove (203) at the bottom end of the annular well formed by splicing blocks of the well plates (201) of the second layer; and the splicing seams of the annular wells of the first layer are offset from the splicing seams of the annular wells of the second layer; The assembly structure (3) comprises a slot (301) and a pin plate (302); the blade foot (1) and the well plate (201) are both provided with a plurality of slots (301); the slots (301) are plugged with pin plates (302); the pin plates (302) plugged into the blade foot (1) are plugged into the slots (301) at the bottom ends of the plurality of well plates (201) in the first layer; the pin plates (302) plugged into the slots (301) at the top ends of the plurality of well plates (201) in the first layer are plugged into the slots (301) at the bottom ends of the plurality of well plates (201) in the second layer; and the cross-sections of the slots (301) and the pin plates (302) are both "cross" shaped structures; The locking structure (4) comprises a prefabricated groove (401) and a prefabricated channel (402), the well plate (201) is provided with a plurality of prefabricated grooves (401) and prefabricated channels (402), two prefabricated channels (402) on two adjacent well plates (201) and at the same height are penetrated by a same steel wire rope (403), both ends of the steel wire rope (403) are fixedly connected with a locking head (405), a gasket (404) is sleeved on the outside of the locking head (405), and a locking nut (406) is threadedly connected to the locking head (405); The guide structure (5) comprises a sleeve (501) and a bolt (502); the sleeve (501) is inserted into the prefabricated groove (401); the sleeve (501) is threadedly connected to the bolt (502); one end of the bolt (502) facing away from the sleeve (501) is fixedly connected to a connecting plate (503); a guide wheel (504) is installed on the connecting plate (503); the guide wheel (504) contacts the well plate (201); a socket (505) is provided on the sleeve (501); the socket (505) is plugged into a locking nut (406); Two pressing blocks (506) are slidably connected to the plug sleeve (501), a connecting strip (507) is fixedly connected to the pressing block (506), the connecting strip (507) is slidably connected to the plug sleeve (501), a clamping block (508) with a cross section is fixedly connected to the connecting strip (507), a clamping groove (509) with an L-shaped cross section is provided on the gasket (404), the clamping block (508) is engaged with the clamping groove (509), a first spring (511) is fixedly connected between the connecting strip (507) and the plug sleeve (501), a guide shaft (510) passes through the interior of the first spring (511), two ends of the guide shaft (510) are fixedly connected to the interior of the plug sleeve (501), and the connecting strip (507) is slidably connected to the guide shaft (510).

2. The assembled caisson that is easy to construct according to claim 1 is characterized in that: The blade foot (1) and the top of the well plate (201) are both provided with a water stop groove (204), and a sealing ring (205) is installed inside the water stop groove (204). The annular well of the first layer abuts against the sealing ring (205) installed on the blade foot (1), and the annular well of the second layer abuts against the sealing ring (205) installed on the annular well of the first layer.

3. The assembled caisson that is easy to construct according to claim 2 is characterized by: The sealing ring (205) is provided with a plurality of mounting holes (206), and the hanging ring (202) is plugged into the mounting holes (206).

4. The assembled caisson that is easy to construct according to claim 1 is characterized in that: Two grouting holes (303) are symmetrically arranged on the pin plate (302); a prefabricated sleeve (304) is fixedly connected inside the grouting hole (303); a grouting channel (305) is arranged inside the prefabricated sleeve (304); an internal threaded ring (306) is fixedly connected to the prefabricated sleeve (304); a screw block (307) is threadedly connected to the internal threaded ring (306); a sealing plug (308) is fixedly connected to the screw block (307); and the sealing plug (308) blocks the grouting channel (305).

5. The assembled caisson that is easy to construct according to claim 1 is characterized in that: The aperture of the prefabricated groove (401) is larger than the aperture of the prefabricated channel (402), the outer diameter of the gasket (404) is larger than the aperture of the prefabricated channel (402), the gasket (404) is in conflict with the well plate (201), and the locking nut (406) is in conflict with the gasket (404).

6. The assembled caisson that is easy to construct according to claim 1 is characterized by: The protective structure (6) comprises an annular protective plate (601) and a plurality of second positioning grooves (602) arranged at the bottom end of the annular protective plate (601); an annular protective plate (601) is arranged at the top end of the well plate (201); the second positioning grooves (602) are plugged into the lifting ring (202); a plurality of buckle rods (603) are slidably connected to the annular protective plate (601); the buckle rods (603) are engaged with the lifting ring (202); an anti-slip block (604) is fixedly connected to the end of the buckle rod (603); the anti-slip block (604) is slidably connected to the protective plate (601); a second spring (605) is clamped between the anti-slip block (604) and the protective plate (601).

7. The assembled caisson that is easy to construct according to claim 6 is characterized by: The cross section of the buckle rod (603) is a U-shaped structure, and the cross section of the bottom end of the buckle rod (603) is a trapezoidal structure.

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