CN223017629U - Device suitable for cast-in-situ construction of hard geological open caisson - Google Patents

Abstract

The utility model provides a device suitable for cast-in-place construction of hard geological caissons, including a hopper arranged at the top of the caisson and a template unit arranged inside the caisson, a mobile unit is arranged at the bottom of the hopper, the mobile unit is slidably connected to the top of the caisson, the template unit includes a side plate and an inclined plate, the side plate, the inclined plate and the geological side wall cooperate to form a casting space of the caisson, and the hopper completes the filling of the casting space through a discharge pipe. The utility model is cleverly designed, and the position of the hopper can be flexibly changed according to the needs during the construction process to ensure the safety and efficiency of casting, and at the same time, the hopper is stably installed, which is convenient for timely replenishment of concrete.

Description

Device suitable for cast-in-situ construction of hard geological open caisson

Technical Field

The utility model relates to the technical field of working well construction, in particular to a device suitable for cast-in-situ construction of a hard geological open caisson.

Background

The cast-in-situ open caisson construction is a common construction method for deep foundations, and is mainly used for engineering projects such as bridges, hydraulic buildings, underground structures and the like which need deep foundations. The open caisson construction needs to be adjusted according to the change of construction environment, and to the construction of the hard soil of address, the process of adopting the pre-compaction open caisson becomes very difficult, is restricted by geological structure, and the open caisson dead weight effect is very difficult to sink, and is different from conventional open caisson pouring order, needs from the top down to pour, along with the increase of working well degree of depth, angle and the degree of depth of hopper need adjust, and crane handling hopper in-process risk is very big, and the construction has the potential safety hazard.

Chinese patent CN 213772982U describes a self-opening type collecting hopper device for open caisson, but the working position of the hopper cannot be changed according to the requirement, chinese patent CN 111021358A describes a 360-degree rotating chute for open caisson concrete pouring, but the hopper needs to be provided with a fixed scaffold matched with the diameter of the well mouth of the open caisson, the construction is inconvenient, the installation and the disassembly are troublesome, and the use has defects and needs to be improved.

Disclosure of utility model

The utility model provides a device suitable for cast-in-situ construction of a hard geological open caisson, which solves the problem that as the tunneling depth of a working well increases, the cast-in-situ of a hopper is lifted by a crane to have great safety risk.

In order to solve the technical problems, the technical scheme is that the device suitable for the cast-in-situ construction of the hard geological open caisson comprises a hopper arranged at the top of the open caisson and a template unit arranged at the inner side of the open caisson, wherein a moving unit is arranged at the bottom of the hopper and is in sliding connection with the top of the open caisson, the template unit comprises a side plate and an inclined plate, the side plate, the inclined plate and the geological side wall are matched to form a casting space of the open caisson, and the hopper is filled with the casting space through a discharging pipe.

In the preferred scheme, the open caisson comprises a plurality of cast-in-situ layer rings arranged from top to bottom, wherein the top of the cast-in-situ layer ring at the uppermost side is provided with a crown beam, and the inner side of the cast-in-situ layer ring is provided with an inclined plane.

In a preferred scheme, the mobile unit comprises a base, a plurality of first rollers are arranged at the bottom of the base, and the first rollers are in sliding connection with the crown beam.

In the preferred scheme, the base top is equipped with first through-hole, is equipped with the mounting bracket on the first gyro wheel, and the mounting bracket wears to establish in first through-hole, and the mounting bracket passes through nut and pedestal connection.

In the preferred scheme, the outside symmetry sliding connection of base has the slide, and the downside of slide is equipped with the second gyro wheel, second gyro wheel and crown roof beam lateral wall sliding connection.

In the preferred scheme, the parallel run through is equipped with fourth through-hole and fifth through-hole on the slide, and the second gyro wheel passes through the mounting bracket and wears to establish in the fifth through-hole, wears to be equipped with the bolt in the fourth through-hole, and the base lateral wall is equipped with the spout, and mounting bracket and bolt are located the spout respectively, and synchronous plate cover is established on mounting bracket and bolt, and bolt and mounting bracket pass through the nut and are connected with synchronous plate.

In the preferred scheme, the base top equipartition has a plurality of sleeves, and the second through-hole runs through and sets up in sleeve and base, adjusts the rotatable setting of pole in the sleeve, and slide upper portion is equipped with the second screw hole, adjusts pole and second screw hole threaded connection, and the slide laminating is in the base outside.

In the preferred scheme, the second through hole downside is equipped with the counter bore, and the symmetry is equipped with first screw hole on the sleeve, and regulation pole is close to limit plate one side and is equipped with the annular, and locking pin and first screw hole threaded connection, locking pin tip support and lean on the annular lateral wall.

In the preferred scheme, adjust the pole top and be equipped with the sixth through-hole, the inserted bar wears to establish in the sixth through-hole, and inserted bar one end is equipped with the holding rod, and holding rod top is equipped with the footwall.

In the preferred scheme, the hopper passes through the bearing platform and is connected with mobile unit, and the base top is equipped with a plurality of third through-holes, and the bearing platform lower part is equipped with a plurality of landing legs, and the landing leg bottom is equipped with the round bar, and the round bar wears to establish in the third through-hole.

The utility model has the beneficial effects that the movable unit is arranged on the crown beam of the open caisson, the movable unit supports the bearing table, the hopper is arranged on the bearing table, the discharging pipe is arranged on one side of the hopper, the length of the discharging pipe is adjusted along with the downward tunneling depth of the working well, the hopper can be used for carrying out omnibearing feeding around the open caisson, meanwhile, the convenience of concrete loading at the open caisson port is ensured, the whole construction is safe and convenient, the top of the open caisson port is ensured to be completely in an open state, the field of view of the whole construction is ensured, meanwhile, the pressure for pressing other members on the soil near the open caisson port is avoided, the use is more stable, the height of the second roller can be conveniently changed by adjusting the position of the slide plate on the base, and the angle of the first roller can be changed as required, so that the whole can smoothly rotate around the open caisson is ensured, the side plate of the template unit is matched with the inclined plate, the side wall of the soil body is matched to form a casting space, the stable and reliable template support is provided for the construction of a cast-in situ layer ring, meanwhile, the side plate is convenient to be fixed, and the construction efficiency is ensured.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a construction schematic of the present utility model;

FIG. 2 is a schematic diagram of the front view of FIG. 1;

FIG. 3 is a schematic top view of FIG. 1;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is a B-B cross-sectional view of FIG. 3;

FIG. 6 is a diagram of the hopper and mobile unit mounting structure of the present invention;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a schematic diagram of an exploded view of the mobile unit of FIG. 7;

FIG. 9 is a schematic diagram of an explosion structure of the mobile unit of FIG. 7;

fig. 10 is an enlarged schematic view at C of fig. 9.

In the drawing, a sunk well 1, a cast-in-situ layer ring 101, a crown beam 102, an inclined plane 103, a hopper 2, a bearing table 3, a supporting leg 301, a round rod 302, a moving unit 4, a base 401, a sliding plate 402, a first through hole 403, a sleeve 404, a second through hole 405, a counter bore 406, a sliding groove 407, a groove 408, a first threaded hole 409, a third through hole 410, a second threaded hole 411, a fourth through hole 412, a fifth through hole 413, an adjusting rod 414, a ring groove 415, a limiting disc 416, a locking nail 417, a sixth through hole 418, a holding rod 419, an inserting rod 420, a top disc 421, a bolt 422, a synchronizing plate 423, a template unit 5, a side plate 501, a sloping plate 502, a supporting rod 503, a first ejector rod 504, a second ejector rod 505, an inserting rod 506, a first hinging seat 507, a second hinging seat 508, a bottom plate 509, a third threaded hole 510, a kidney hole 511, a screw 512, a discharging pipe 6, a first roller 7, a second roller 8, a nut 9 and a mounting frame 10.

Detailed Description

1-5, A device suitable for cast-in-situ construction of hard geological open caisson comprises a hopper 2 arranged at the top of the open caisson 1 and a template unit 5 arranged at the inner side of the open caisson 1, wherein a moving unit 4 is arranged at the bottom of the hopper 2, the moving unit 4 is in sliding connection with the top of the open caisson 1, the template unit 5 comprises a side plate 501 and a sloping plate 502, the side plate 501, the sloping plate 502 and geological side walls are matched to form a pouring space of the open caisson 1, and the hopper 2 completes filling of the pouring space through a discharging pipe 6.

The swash plate 502 sets up at curb plate 501 top, and curb plate 501 articulates through second articulated seat 508 and bottom plate 509, is equipped with vaulting pole 503 on the bottom plate 509, and the telescoping first ejector pin 504 that is equipped with in the vaulting pole 503, first ejector pin 504 articulates through first articulated seat 507 and curb plate 501, and bottom plate 509 is fixed through a plurality of inserted borers 506 and ground, still articulates on the second articulated seat 508 has second ejector pin 505, is equipped with waist round hole 511 on the second ejector pin 505, is equipped with a plurality of third screw holes 510 on the first ejector pin 504, and screw 512 wears to establish in waist round hole 511 and third screw hole 510.

The inclined plate 502 is obliquely arranged to one side of the center of the open caisson 1, so that a sufficient opening is formed during casting, the discharge pipe 6 of the hopper 2 is guaranteed to be capable of well filling a casting space, meanwhile, the side plate 501 is obliquely arranged to one side of the center of the open caisson 1, through the arrangement, the inclined plane 103 of the cast-in-situ layer ring 101 can be formed after casting is completed, the cast-in-situ layer ring 101 of the upper layer is matched with the side plate 501 and the inclined plate 502, a sufficient casting channel can be provided for a construction process, and the stability of construction is guaranteed. The construction area is very hard in geology, therefore, the conventional method of applying precompression on the top of the cast-in-situ layer ring to sink is not suitable for project construction, the cast-in-situ layer by layer is required to be excavated from top to bottom, namely, the cast-in-situ position is increased along with the increase of the depth of the open caisson, the hopper 2 is lifted by a crane in the conventional method, and then the hopper 2 is lowered to the position to be poured, so that the space in the open caisson can be occupied, the problem is completely avoided due to incomplete fixation during lifting, and a large safety risk exists.

In the preferred scheme, the open caisson 1 comprises a plurality of cast-in-situ layer rings 101 arranged from top to bottom, a crown beam 102 is arranged at the top of the cast-in-situ layer ring 101 at the uppermost side, and an inclined plane 103 is arranged at the inner side of the cast-in-situ layer ring 101.

The crown beam 102 provides a good supporting foundation for the mobile unit, limits the moving range, is more convenient for installing the mobile unit 4, and correspondingly increases the number of the cast-in-situ layer rings 101 along with the increase of the depth of the open caisson 1, and the inclined plane 103 of the cast-in-situ layer ring 101 on the upper layer is matched with the template unit 5 to provide a large casting opening.

In a preferred embodiment, as shown in fig. 6-7, the mobile unit 4 comprises a base 401, and a plurality of first rollers 7 are arranged at the bottom of the base 401, and the first rollers 7 are slidably connected with the crown beam 102.

By changing the angle of the first rollers 7, the first rollers 7 are matched with each other, and the crown beam 102 rotates smoothly around the axis of the open caisson 1.

In a preferred embodiment, as shown in fig. 8-9, a first through hole 403 is formed at the top of the base 401, a mounting frame 10 is arranged on the first roller 7, the mounting frame 10 is arranged in the first through hole 403 in a penetrating manner, and the mounting frame 10 is connected with the base 401 through a nut 9.

The position of the first roller 7 can be changed by adjusting the tightness of the mounting frame 10 and the nut 9.

In a preferred scheme, the outer side of the base 401 is symmetrically and slidingly connected with a sliding plate 402, the lower side of the sliding plate 402 is provided with a second roller 8, and the second roller 8 is slidingly connected with the side wall of the crown beam 102.

The top of Yu Guanliang 102 is slightly higher to the both sides board of base 401, and the whole installation is convenient, then adjusts slide 402 to the low point, and the inside and outside lateral wall laminating of second gyro wheel 8 and crown beam 102 plays the guard action to base 401, adjusts to the suitable position back and carries out the locking, guarantees that the axis of rolling of second gyro wheel 8 is parallel with the axis of open caisson 1, and it is more smooth and easy to remove.

In a preferred scheme as shown in fig. 10, a fourth through hole 412 and a fifth through hole 413 are formed in parallel on the sliding plate 402, the second roller 8 is arranged in the fifth through hole 413 in a penetrating manner through the mounting frame 10, a bolt 422 is arranged in the fourth through hole 412 in a penetrating manner, a sliding groove 407 is formed in the side wall of the base 401, the mounting frame 10 and the bolt 422 are respectively located in the sliding groove 407, the synchronous plate 423 is sleeved on the mounting frame 10 and the bolt 422, and the bolt 422 and the mounting frame 10 are connected with the synchronous plate 423 through nuts 9. The inner side of the chute 407 is provided with a groove 408, and the synchronous plate 423 is attached to the inner side of the groove 408.

The moving range of the bolt 422 on the sliding plate 402 is smaller than the height of the sliding groove 407, the accuracy of the relative movement of the sliding plate 402 and the base 401 is guaranteed, the adjustment is only carried out in the vertical direction, meanwhile, the position installation of the second roller 8 can be guaranteed to be firm through the synchronous plate 423, the moving process is more stable, the synchronous plate 423 is attached to the inner side of the groove 408, the space utilization rate of the lower portion of the base 401 is higher, and the effect is better.

In the preferred scheme, a plurality of sleeves 404 are uniformly distributed on the top of the base 401, second through holes 405 penetrate through the sleeves 404 and the base 401, an adjusting rod 414 is rotatably arranged in the sleeves 404, a second threaded hole 411 is formed in the upper portion of the sliding plate 402, the adjusting rod 414 is in threaded connection with the second threaded hole 411, and the sliding plate 402 is attached to the outer side of the base 401.

The sleeve 404 is used for limiting the freedom degree of the adjusting rod 414, meanwhile, high precision in rotation is guaranteed, and the position of the sliding plate 402 is conveniently and flexibly changed by changing the rotation angle of the adjusting rod 414, so that the sliding plate is convenient to use.

In a preferred scheme, the lower side of the second through hole 405 is provided with a counter bore 406, the sleeve 404 is symmetrically provided with a first threaded hole 409, one side of the adjusting rod 414 close to the limiting disc 416 is provided with a ring groove 415, the locking nail 417 is in threaded connection with the first threaded hole 409, and the end part of the locking nail 417 abuts against the side wall of the ring groove 415.

The locking nails 417 and the limiting discs 416 are mutually matched, so that the stability of the self position of the adjusting rod 414 is ensured, and meanwhile, the adjusting rod can rotate smoothly and conveniently.

In a preferred scheme, a sixth through hole 418 is arranged at the top of the adjusting rod 414, a plug rod 420 is arranged in the sixth through hole 418 in a penetrating mode, a holding rod 419 is arranged at one end of the plug rod 420, and a top disc 421 is arranged at the top of the holding rod 419.

The handle bar 419 is convenient for an operator to hold, so that the adjusting bar 414 is driven to rotate, the inserted bar 420 can play a role of a lever, the adjusting efficiency is improved, and the use is more convenient.

In the preferred scheme, hopper 2 is connected through bearing platform 3 and mobile unit 4, and the base 401 top is equipped with a plurality of third through-holes 410, and bearing platform 3 lower part is equipped with a plurality of landing legs 301, and landing leg 301 bottom is equipped with round bar 302, and round bar 302 wears to establish in third through-holes 410, and round bar 302 passes through nut 9 and base 401 to be fixed, round bar 302 and nut 9 threaded connection.

The supporting table 3 and the moving unit 4 are convenient to assemble and disassemble, the locking is stable, the gravity center of the hopper 2 is guaranteed to be approximately coplanar with the gravity center of the moving unit 4, and therefore unbalanced stability of single-side stress is avoided, and the use effect is better.

The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims (10)

1. The device suitable for the cast-in-situ construction of the hard geological open caisson is characterized by comprising a hopper (2) arranged at the top of the open caisson (1) and a template unit (5) arranged at the inner side of the open caisson (1), wherein a moving unit (4) is arranged at the bottom of the hopper (2), the moving unit (4) is in sliding connection with the top of the open caisson (1), the template unit (5) comprises a side plate (501) and a sloping plate (502), the side plate (501), the sloping plate (502) and geological side walls are matched to form a casting space of the open caisson (1), and the hopper (2) is filled with the casting space through a discharging pipe (6).

2. The device for the cast-in-situ construction of the hard geological open caisson according to claim 1, wherein the open caisson (1) comprises a plurality of cast-in-situ layer rings (101) arranged from top to bottom, a crown beam (102) is arranged at the top of the uppermost cast-in-situ layer ring (101), and an inclined plane (103) is arranged on the inner side of the cast-in-situ layer ring (101).

3. The device for cast-in-situ construction of a hard geological open caisson according to claim 2, wherein the moving unit (4) comprises a base (401), a plurality of first rollers (7) are arranged at the bottom of the base (401), and the first rollers (7) are in sliding connection with the crown beam (102).

4. The device for cast-in-situ construction of the hard geological open caisson according to claim 3, wherein the top of the base (401) is provided with a first through hole (403), the first roller (7) is provided with a mounting frame (10), the mounting frame (10) is arranged in the first through hole (403) in a penetrating way, and the mounting frame (10) is connected with the base (401) through a nut (9).

5. The device for the cast-in-situ construction of the hard geological open caisson according to claim 3, wherein the outer side of the base (401) is symmetrically and slidingly connected with a sliding plate (402), the lower side of the sliding plate (402) is provided with a second roller (8), and the second roller (8) is slidingly connected with the side wall of the crown beam (102).

6. The device for the cast-in-situ construction of the hard geological open caisson according to claim 5, wherein the sliding plate (402) is provided with a fourth through hole (412) and a fifth through hole (413) in parallel in a penetrating manner, the second roller (8) is arranged in the fifth through hole (413) in a penetrating manner through the mounting frame (10), the fourth through hole (412) is internally provided with a bolt (422) in a penetrating manner, the side wall of the base (401) is provided with a sliding groove (407), the mounting frame (10) and the bolt (422) are respectively positioned in the sliding groove (407), the synchronous plate (423) is sleeved on the mounting frame (10) and the bolt (422), and the bolt (422) and the mounting frame (10) are connected with the synchronous plate (423) through nuts (9).

7. The device for the cast-in-situ construction of the hard geological open caisson according to claim 5, wherein a plurality of sleeves (404) are uniformly distributed on the top of the base (401), the second through holes (405) are penetratingly formed in the sleeves (404) and the base (401), the adjusting rods (414) are rotatably arranged in the sleeves (404), the second threaded holes (411) are formed in the upper portions of the sliding plates (402), the adjusting rods (414) are in threaded connection with the second threaded holes (411), and the sliding plates (402) are attached to the outer sides of the base (401).

8. The device for the cast-in-situ construction of the hard geological open caisson according to claim 7, wherein the lower side of the second through hole (405) is provided with a counter bore (406), the sleeve (404) is symmetrically provided with a first threaded hole (409), one side of the adjusting rod (414) close to the limiting disc (416) is provided with a ring groove (415), the locking nail (417) is in threaded connection with the first threaded hole (409), and the end part of the locking nail (417) is abutted against the side wall of the ring groove (415).

9. The device for cast-in-situ construction of the hard geological open caisson according to claim 8, wherein a sixth through hole (418) is formed in the top of the adjusting rod (414), the inserting rod (420) is arranged in the sixth through hole (418) in a penetrating mode, a holding rod (419) is arranged at one end of the inserting rod (420), and a top disc (421) is arranged at the top of the holding rod (419).

10. The device for the cast-in-situ construction of the hard geological open caisson according to claim 3, wherein the hopper (2) is connected with the moving unit (4) through the bearing table (3), a plurality of third through holes (410) are formed in the top of the base (401), a plurality of supporting legs (301) are arranged at the lower parts of the bearing table (3), round rods (302) are arranged at the bottoms of the supporting legs (301), and the round rods (302) are arranged in the third through holes (410) in a penetrating mode.