Embedded part supporting and protecting device

Abstract

The utility model discloses an embedded part supporting and protecting device which comprises a column frame supported on the construction ground, a platform plate and a supporting frame located in the middle are arranged on the top of the column frame, a cover plate matched with the platform plate is arranged on the supporting frame, and the platform plate and the cover plate are matched to form a pouring platform. The lower part of the column frame is connected with a positioning seat pressed on the construction ground through a connecting and positioning mechanism, a pile casing capable of keeping a vertical state is arranged in the center of the positioning seat in a penetrating manner, the lower part of the pile casing is arranged in a preset hole in a penetrating manner, a set part of the pile casing is exposed out of the ground, and the distance between the top of the pile casing and the ground is set as a fixed value; a long penetrating bar and two transverse penetrating bars which are used for positioning the reinforcement cage are further installed on the column frame in a penetrating mode, the long penetrating bar and the transverse penetrating bars are arranged in a crossed mode, and the long penetrating bar is located below the transverse penetrating bars. And by arranging structures such as the connecting positioning mechanism and the positioning seat, the problem that the reinforcement cage and the guide pipe are easy to deviate when being placed is solved, the accuracy of the pile forming depth is ensured, and the working efficiency and the pile forming quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pile foundation construction technical field, concretely relates to a preformed embedded part support protection device. BACKGROUND

[0002] In engineering construction, bored pile is a kind of pile commonly used, is formed pile hole through the mechanical drilling on the ground, and is made into the pile after placing reinforcement cage in pile hole and pouring concrete.In construction, usually adopt the auxiliary work of casing and other preformed embedded parts, play the role of fixed pile position, guide drilling direction, isolate surface water, stabilize hole wall, prevent hole collapse and protect hole mouth original ground etc.;But in actual working process, first, because of geological difference or mechanical vibration etc. reasons, preformed embedded part is easy to sink, lead to unable to guarantee the pile depth, influence the pile quality, and, preformed embedded part sinks seriously and is easy to drop into the pile hole, salvage difficult, seriously influence the project progress and the pile quality, then, reinforcement cage and guide pipe are placed and cannot be positioned, pour concrete into the pile hole, reinforcement cage and guide pipe are easy to offset, lead to poor quality even low rate of completion, need to repair or re-drill, influence construction progress, in addition, mud is easy to overflow from the top of pile hole, personnel usually directly tread in the mud, lead to the scene is messy, construction environment is poor, and safety is not high, and because there is no protective measures, it is easy to drop into the sundries in the pouring hole, influence the quality of pile hole, therefore, the construction site needs the device of preformed embedded part support protection.

[0003] At present, there are separate positioning casing and reinforcement cage hoisting positioning devices in the prior art, such as patent No. 2020210243458, entitled "Anti-slip positioning steel casing for mechanical hole-forming cast-in-place pile", which adopts an annular flange plate to uniformly disperse the complex load at the hole opening of the cast-in-place pile, effectively protecting the hole opening ground and reducing or avoiding the time loss and economic loss caused by the slip of the positioning steel casing. However, this patent cannot guarantee the accuracy of the pile depth, resulting in the quality of the pile hole not meeting the requirements, and the ground around the pile hole is muddy, the environment is poor after the construction personnel tread, and it cannot meet the environmental protection requirements; for example, patent No. "202322622114.7", entitled "Pile reinforcement cage hoisting positioning device", by arranging multiple elastic positioning columns on the circular ring, the elastic positioning columns position the pile reinforcement cage on one side, and on the other side, during the lowering process of the pile reinforcement cage, when the pile reinforcement cage deviates and presses the elastic positioning columns in the radial direction of the pile hole, the elastic positioning columns can be appropriately compressed to play an elastic role to protect the pile reinforcement cage and avoid damaging the pile reinforcement cage protection layer. However, the elastic element of the elastic positioning column adopts a spring or a rubber pad or an elastic support. When a spring is used, the state of each spring is inconsistent due to different forces, and in long-term use, the springs that are subjected to more force are prone to failure, and cannot play their elastic role when placing the reinforcement cage, causing the reinforcement cage to deviate. When a rubber pad or an elastic support is used, it is easy to wear or deform, and cannot avoid deviation when placing the reinforcement cage. Therefore, the two structures described above need to be positioned separately and are prone to inaccurate positioning, which cannot avoid the deviation of the reinforcement cage and the guide pipe during placement, affecting the construction progress and the quality of the pile hole. Practical new type content

[0004] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present application is to provide a pre-embedded part supporting and protecting device, which solves the problem of easy deviation of the reinforcement cage and the guide pipe during placement, guarantees the accuracy of the pile depth, and improves the work efficiency and the pile quality.

[0005] To solve the above technical problems, the present application comprises a column frame supported on the construction ground, characterized in that a platform plate and a support frame located in the middle are arranged at the top of the column frame, a cover plate cooperating with the platform plate is arranged on the support frame, and the platform plate and the cover plate cooperate to form a pouring platform; a positioning seat pressed on the construction ground is connected to the lower part of the column frame through a connecting positioning mechanism, a casing capable of maintaining a vertical state is arranged in the center of the positioning seat, the lower part of the casing is arranged in a pre-set hole and a certain part is exposed to the ground, and the distance between the top of the casing and the ground is a constant value; a long penetrating rod and two transverse rods for positioning the reinforcement cage are also arranged on the column frame, the long penetrating rod and the transverse rod are arranged in a cross shape, and the long penetrating rod is located below the transverse rod.

[0006] After the above structure, first, according to the required pile depth in the pre-construction foundation hole of the corresponding aperture is set, adjust the distance between the top of the casing to the positioning seat, casing set in the positioning seat outside, through the connecting positioning mechanism is connected with the positioning seat and column frame, the casing is kept in vertical state, and the distance between the top of the casing and the bottom of the column frame (i.e. the distance between the top of the casing and the ground) is ensured, so that the column frame, positioning seat and casing become a whole, that is, the support protection device is formed;Then, the rotary digging machine is used to move the support protection device to the preset hole, the casing is inserted into the preset hole, the bottom of the column frame and the bottom of the positioning seat are pressed on the construction ground, so as to protect the upper end of the pile hole, make the ground stress uniform, at the same time, ensure the distance between the upper end of the casing and the ground to meet the set value, at this time, the positioning seat and the bottom of the column frame are pressed on the periphery of the preset hole, so as to make the stress uniform, prevent the casing from sinking or falling, avoid the pile hole collapse, ensure the flatness of the construction ground, meet the environmental protection requirements, improve the quality of the pile hole;Finally, the reinforcement cage is placed in the embedded part through the center of the platform plate, at the same time, the two cross bars are respectively installed on the column frame after being installed on the reinforcement cage, the reinforcement cage is initially positioned to avoid falling, the guide pipe is placed in the reinforcement cage, so that the center line of the guide pipe and the center line of the reinforcement cage are on the same straight line, at this time, the two ends of the long cross bar are connected to the reinforcement cage, the reinforcement cage is positioned, and the reinforcement cage and the guide pipe are coaxial with the embedded part to avoid offset. The utility model discloses a connecting positioning mechanism is arranged between the column frame and the positioning seat outside the casing, so that the column frame and the positioning seat outside the casing are connected as a whole, which facilitates hoisting and transportation during construction;The positioning seat is arranged to keep the casing in vertical state and prevent the casing from sinking, which facilitates the staff to step on and improves safety, at the same time, the distance between the positioning seat and the top of the casing is set as a constant value, which ensures the accuracy of the pile depth and the quality of the pile hole;In addition, since the positioning seat is pressed on the periphery of the preset hole end, foreign matters are prevented from falling into the pile hole, mud is prevented from overflowing from the top of the preset hole, the on-site construction environment is good, the environmental protection requirements are met, and the engineering progress positioning seat is ensured;The two cross bars and the long cross bar are arranged in cross to position the reinforcement cage and avoid offset;The utility model solves the problem that the reinforcement cage and the guide pipe are easily offset when placed, ensures the accuracy of the pile depth, and improves work efficiency and pile quality.

[0007] Preferably, the connecting positioning mechanism comprises two positioning sleeves arranged outside the casing and oppositely arranged, the two positioning sleeves surround the positioning cylinder matched with the casing, each of the positioning sleeves is provided with a stepped sleeve positioning groove, the large diameter section of the two sleeve positioning grooves is matched with the positioning seat and the small diameter section is matched with the part of the casing above the ground, the two ends and the side of the positioning sleeve are connected with the column frame through the fixing structure; the two positioning sleeves are arranged in pairs, which facilitates installation; the stepped sleeve positioning groove is matched with the casing and the supporting device respectively, the casing and the positioning seat are connected by spot welding or other ways to form an integral whole, which increases the strength and facilitates hoisting.

[0008] Preferably, the column frame comprises two parallel arranged lower wide beams and two parallel arranged lower long beams, the cross beams are arranged between two opposite lower wide beams and are located on both sides of the center line of the two lower wide beams, and the long beams are arranged between the center line of the two lower long beams; the triangular positioning mode is adopted to ensure that the center of the reinforcement cage is consistent with the casing and avoids deviation.

[0009] Preferably, the long beams and the cross beams are arranged vertically; the reinforcement cage is located at the center of the casing, which is kept vertical with the casing and avoids deviation.

[0010] Preferably, the lower support beams are arranged between the two ends of the two lower long beams, the top surface of the lower support beam has a spacing with the top surface of the lower wide beam, and the two ends of each cross beam are respectively pressed on the top surface of the corresponding lower support beam; the spacing between the top surface of the support beam and the top surface of the lower wide beam provides space for the cross beam and the support frame; the lower support beam provides auxiliary support for the cross beam.

[0011] Preferably, the center of the cover plate is provided with an opening, the support frame further comprises two oppositely arranged upper wide beams and two oppositely arranged upper long beams which are pressed on the lower support beams, two parallel arranged middle cross beams are connected between the two upper long beams, each middle cross beam is hingedly connected with a shutter which passes through the opening and can be opened and closed, each shutter is provided with a semicircular groove, and the two grooves are oppositely arranged and form a pouring port; the shutter provides support and entrance for pouring concrete, prevents parts such as pouring machinery from falling into the pile hole, and ensures the safety of personnel.

[0012] Preferably, the casing is further connected with the positioning seat through the adjusting device, the adjusting device comprises at least two guide plates arranged on the outer surface of the casing and extending along the vertical direction of the casing, the two guide plates are symmetrically arranged, and the guide plates have a plurality of pre-positioning mechanisms for pre-positioning the positioning seat in the length direction; a plurality of support points are arranged on the casing, the position of the positioning seat is set as needed, and the use is facilitated.

[0013] Preferably, a plurality of adjusting limiting holes are arranged on each guide plate and extend along the vertical direction of the casing, the adjusting limiting holes on the guide plates are arranged correspondingly, the pre-positioning mechanism comprises a plurality of pre-positioning seats arranged in the corresponding adjusting limiting holes, an adjusting positioning hole is arranged on the pre-positioning seat along the radial direction of the casing, a supporting block is inserted into the adjusting positioning hole, and the bottom of the pre-positioning seat is pressed on the supporting block; the stability of the pre-positioning seat is ensured, and the safety is guaranteed.

[0014] Preferably, the connecting and positioning mechanism further comprises a supporting cylinder sleeved outside the supporting vertical plate, the bottom surface of the supporting cylinder is arranged in alignment with the bottom surface of the positioning seat, a plurality of positioning plates capable of being clamped on the column frame are arranged on the cylinder wall of the supporting cylinder, and the end of the positioning plate towards the column frame is provided with an open slot capable of being clamped on the corresponding column frame; the open slot is matched with the column frame to connect the supporting cylinder with the column frame, and the clamped supporting cylinder is fixed by spot welding or the like, thereby facilitating use.

[0015] Preferably, a plurality of positioning blocks capable of abutting against the casing are arranged on the cylinder wall of the supporting cylinder, the positioning blocks are arranged on the circumference of the casing, and the end surface of the positioning block is provided with an arc-shaped structure matched with the casing; the smooth matching is ensured, the contact area is increased, and the safety and stability are ensured.

[0016] The utility model discloses a connecting positioning mechanism is set up, and the positioning seat is connected to the column frame and the outer portion of the casing, ensures that it becomes a whole, and the hoisting and transfer in the construction process are convenient, through setting up the positioning seat, the casing sinking is prevented, and the staff treading is facilitated, and the safety is improved, in addition, since the positioning seat is pressed and is established in the end of the preset hole circle, makes the stress even, also avoided the foreign matter drop into the pile hole, avoided the mud from the preset hole top end overflow, makes the on -the -spot construction environment good, satisfies the environmental protection requirement, ensures the project progress, through the distance between the positioning seat and the casing top surface is set as the fixed value, and can be adjusted according to the pile depth, is applicable to different pile depth, ensures the precision of the pile depth, guarantees the pile hole quality, through setting up the connecting positioning mechanism, makes it with the perfusion platform match, ensures that the casing always keeps the vertical state, guarantees the pile hole quality, through setting up the adjusting device, the position adjustment of the positioning seat in the vertical direction is facilitated, can adjust the distance between the casing top end surface and the support cover plate located in the upper portion according to the pile hole requirement, is applicable to different requirement's pile hole, ensures the pile depth precision, through setting up the lower support beam between the both ends of two opposite lower long beams, and the outer side of two lower support beams is on the inner side of the lower wide beam, and the distance between the lower support beam top surface and the lower wide beam top surface has the interval, to provide space for the cross bar, to assist the support, through the two cross bars that are set up between two lower wide beams and are symmetric and set up the long cross bar between two lower long beams, the reinforcement cage is positioned, makes it with the center of the embedded part coincide, avoids the influence of the pile effect due to the offset, through the vertical setting cross bar and long cross bar, and the cross bar and long cross bar pass through the reinforcement cage, and its both ends are installed between two lower wide beams and two lower long beams, ensure that the reinforcement cage and the center of the casing coincide, prevent the catheter and the reinforcement cage from offsetting, avoid the catheter from being stuck on the reinforcement cage, and avoid the problem of burying the catheter, through setting up the platform plate and the cover plate that cooperate with each other on the top of the frame, avoid the pouring of the foreign matter, improve the construction safety. The structure can integrate the lower reinforcement cage, hoist the reinforcement cage, lower the catheter and pour the concrete, improve the work efficiency, can provide the work platform for the staff, avoid the offset when placing the reinforcement cage and position it, improve the pile quality and work safety. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings constituting a part of this application are used to provide further understanding of the application, so that other features, objects and advantages of the application become more obvious. The illustrative embodiment drawings of the application and their explanations are used to explain the application, and do not constitute undue limitation on the application. In the drawings:

[0018] Figure 1 It is the structural schematic diagram of an embodiment of the utility model;

[0019] Figure 2 It is the structural schematic diagram of the utility model main view;

[0020] Figure 3 is a structural schematic view of A-A of figure 1; Figure 2

[0021] Figure 4 is a structural schematic view of B-B of figure 1; Figure 2

[0022] Figure 5 is a structural schematic view of the three-dimensional connection positioning mechanism of the utility model;

[0023] Figure 6 is a structural schematic view of the three-dimensional connection positioning mechanism of the utility model in another direction; Figure 5

[0024] Figure 7 is a structural schematic view of another embodiment of the connection positioning mechanism of the utility model;

[0025] Figure 8 is a structural schematic view of another embodiment of the connection positioning mechanism of the utility model;

[0026] Figure 9 is a structural schematic view of the three-dimensional structure between the column frame and the support frame of the utility model;

[0027] Figure 10 is a structural schematic view of the bottom view of figure 1; Figure 9

[0028] Figure 11 is a structural schematic view of the three-dimensional structure except the platform plate and the cover plate of figure 1; Figure 9

[0029] is a structural schematic view of the three-dimensional structure of the utility model embedded part; Figure 12

[0030] Figure 13 is a structural schematic view of the front view of figure 1; Figure 12

[0031] is a structural schematic view of C-C of figure 1; Figure 14 Figure 12 is a structural schematic view of the adjustment device in figure 1;

[0032] Figure 15 Figure 13 is a structural schematic view of the adjustment device in figure 1;

[0033] Figure 16 is a structural schematic view of the enlarged adjustment device in figure 1. Figure 15

[0034] ​​​​​​​​In the figure: 1-column frame, 101-pole, 1011-cross pole, 1012-long pole, 102-platform plate, 103-lower wide beam, 104-lower long beam, 105-lower support beam, 106-stand, 2-support frame, 201-cover plate, 202-baffle, 203-upper wide beam, 204-upper long beam, 205-middle cross beam, 3-embedded part structure, 301-protecting cylinder, 302-positioning seat, 3021-support cover plate, 3022-support vertical plate, 3023-support radial plate, 4-connection positioning mechanism, 401-positioning sleeve, 402-sleeve positioning groove, 403-positioning piece, 404-positioning key, 405-support cylinder, 406-positioning plate, 407-positioning block, 408-fixing sleeve, 5-adjusting device, 501-guide plate, 502-pre-positioning seat, 503-support block. DETAILED DESCRIPTION

[0035] In order to enable personnel in the technical field to better understand the scheme of the present application, the following will be combined with the accompanying drawings to describe in detail the technical scheme in the embodiments of the present application. Figures 1-16 The technical scheme in the embodiments of the present application is clearly and completely described.

[0036] The above scheme will be described in detail in an embodiment, for the convenience of description, the up-down direction of the above and below is set as the vertical direction, the upper side is set as up, and the lower side is set as down. Figure 2

[0037] The utility model provides a kind of embedded part support protection device, including the column frame 1 supported on construction ground, pole 101 for being positioned to reinforcing cage is provided on column frame 1, top is provided with support frame 2, and lower part is connected with embedded part structure 3 by connection positioning mechanism 4, support frame 2 is covered with cover plate 201, and the center of cover plate 201 is provided with open mouth, support frame 2 is provided with baffle 202 passing through open mouth and can be opened and closed, and baffle 202 center has pouring port, to pour concrete;Platform plate 102 matched with cover plate 201 is also provided on the top of column frame 1, and cover plate 201 cooperates with platform plate 102 to form pouring platform, to facilitate staff to tread, while avoiding sundries to drop into pouring port;Platform plate 102 can be set as split type, and also can be set as integral type structure with through hole in middle part, and support frame 2 is located at through hole, preferably, to describe in detail with split type platform plate 102, i.e. the number of platform plate 102 is set as two, two platform plate 102 are arranged at interval and support frame 2 is located on column frame 1 between two platform plate 102, and two platform plate 102 are symmetrically arranged, to ensure that support frame 2 is located in middle part, to ensure that cover plate 201 is located in middle part, i.e. pouring port on it is located in middle part, to ensure that pouring is poured from center, to guarantee pouring quality, to facilitate staff to tread, also avoid sundries to drop into pile hole.

[0038] ​The outer shape of the column 1 can adopt various structural forms, for example, it can adopt a cylindrical shape or a square shape or a cuboid shape, etc., and the square column 1 is described in detail; the column 1 includes two pairs of oppositely arranged cross beams, four cross beams are connected end to end to form a frame, the above-mentioned cross beams 101 are provided with cross beams 1011 and long cross beams 1012, and the above-mentioned cross beams are provided with two oppositely arranged lower wide beams 103 and two oppositely arranged lower long beams 104; that is, the column 1 includes two parallel lower wide beams 103 and two parallel lower long beams 104, the lower wide beams 103 and the lower long beams 104 can be rectangular steel pipes, preferably, the two lower wide beams 103 and the two lower long beams 104 are equal in length and connected end to end to form a square frame structure, so as to fully utilize the space and ensure that the column 1 is stable and the center of the cross beam 101 is located at the center of the rack, avoiding offset, unless the space is limited, only other structures such as cuboids can be used; two above-mentioned cross beams 1011 are installed between two opposite lower wide beams 103, two cross beams 1011 are respectively located on both sides of the center line of two opposite lower wide beams 103, that is, symmetrically arranged, the long cross beam 1012 is installed between the centers of two opposite lower long beams 104, the long cross beam 1012 and the cross beam 1011 are perpendicular to each other, and the long cross beam 1012 is located below the cross beam 1011. Among them, the lower support beams 105 are arranged between the two ends of the two opposite lower long beams 104, the top surface of the lower support beam 105 and the top surface of the lower wide beam 103 have a spacing to accommodate two cross beams 1011, the two ends of each cross beam 1011 are respectively pressed on the top surface of the corresponding lower support beam 105, the outer side surface of the two lower support beams 105 is pressed on the inner side surface of the lower wide beam 103, the square frame structure formed by the above-mentioned lower wide beam 103 and lower long beam 104 is strengthened, and support is provided for the two cross beams 1011, ensuring the stable positioning of the reinforcement cage.

[0039] The support frame 2 comprises two opposite upper wide beams 203 and two opposite upper long beams 204, the two upper wide beams 203 and the two upper long beams 204 are connected end to end to form a rectangular body-shaped support body, which is arranged on the two opposite lower support beams 105 to support the support body, ensure its stability, and avoid its falling; the support body is covered with the cover plate 201, which cooperates with the two platform plates 102 to form the pouring platform, facilitating the staff to step on, and avoiding sundries from falling into the pouring port; two parallel middle cross beams 205 are connected between the two opposite upper long beams 204, and the opposite sides of each middle cross beam 205 are respectively hinged with the above-mentioned baffle 202, which cooperates with the opening, the number of baffles 202 is two, and the two baffles 202 have a gap therebetween to facilitate opening and closing, avoid opening difficulty caused by factors such as deformation, adhesion of concrete, and the like, and a pull rod is arranged on each baffle 202 to facilitate opening, each baffle 202 has a semicircular groove, and the two grooves are oppositely arranged to form the pouring port, which is matched with the pouring machine. The column frame 1 further comprises a plurality of columns 106 arranged at the bottom of the two lower long beams 104, i.e. at the two ends of the bottom of the corresponding lower long beam 104, and a lower beam is connected between adjacent two columns 106, each lower beam is located at the lower part of the adjacent two columns 106 to ensure the stability of the structure, and the four lower beams and the four columns 106 form a square frame structure, i.e. a square frame, in which two opposite inner sides are provided with positioning grooves, and the other two opposite sides are provided with positioning holes, so as to facilitate the cooperation and connection of the above-mentioned connecting and positioning mechanism 4 with the positioning grooves and the positioning holes.

[0040] The embedded part structure 3 comprises an embedded part sleeved in a preset hole, the embedded part is a casing 301, a set part of the casing 301 is exposed to the ground, a lower end of the casing 301 is connected with multiple cylinder bodies, so as to meet the needs of different pile depths. A positioning seat 302 is sleeved on an outer surface of the casing 301, that is, the positioning seat 302 is vertically sleeved with the casing 301 at the center, so as to ensure that the casing 301 remains vertical, the positioning seat 302 is pressed on a top end surface of the preset hole, that is, is pressed on the ground, uniformly bears force, makes the ground flat, the positioning seat 302 is aligned with the bottom of the column frame 1, a distance between the positioning seat 302 and the top surface of the casing 301 is a, the interval a is a fixed value, which is calculated by a designer according to specific pile hole requirements, such as pile hole depth requirements, so as to facilitate calculation of the sinking depth when the casing 301 sinks during construction, and then calculation of the pile hole depth, that is, the distance between the top surface of the casing 301 and the ground is a fixed value, and the value is adjusted according to the pile hole requirements, for example, a is set to 70 mm, so as to ensure that the value of a is constant, so as to facilitate calculation of the sinking depth and the pile depth, that is, when the casing 301 sinks, the pile depth can be calculated by measuring the sinking depth of the casing 301; the bottom of the positioning seat 302 is pressed on the ground, so as to prevent the casing 301 from sinking or falling, ensure the accuracy of the pile depth, improve the pile quality, protect the pile hole sealing flat, uniformly bear force, prevent foreign matters from easily falling into the pile hole, if the casing 301 sinks, the positioning seat 302 can be pulled to salvage the casing 301; the positioning seat 302 can adopt a whole structure, can be entirely sleeved outside the casing 301, or can adopt a split structure and be installed outside the casing 301 in parts, the positioning seat 302 can be solid or hollow, is determined according to the weight requirements, and the weight is reduced as much as possible under the condition of ensuring the strength, so as to facilitate hoisting, the structure state can adopt a disc shape, a square shape, a cuboid shape or other structure forms, preferably a symmetrical structure, so as to ensure that the casing 301 is located at the center and facilitate hoisting and use; preferably, the positioning seat 302 adopts a hollow disc structure, which can meet the strength requirements, reduce the weight, save the cost, and facilitate hoisting.The positioning seat 302 is a disc-shaped structure, which comprises two support cover plates 3021 arranged outside the casing 301 and spaced apart along the vertical direction of the casing 301. The center of each support cover plate 3021 is provided with a through hole for the casing 301 to pass through. The distance between the uppermost support cover plate 3021 and the top of the casing 301 can be adjusted as needed. The two support cover plates 3021 are spaced apart and have a certain spacing therebetween, which can be determined according to the required distance between the upper support cover plate 3021 and the top of the casing 301. The support cover plates 3021 are connected with support vertical plates 3022 around the circumference. In use, the lower support cover plate 3021 is pressed on the ground to protect the end of the pile hole and prevent the casing 301 from sinking or falling. The spacing a is the distance between the upper support cover plate 3021 and the top surface of the casing 301. For a pile hole with the same diameter and depth, this distance is a constant value. The spacing a needs to be adjusted according to the requirements of the pile hole to facilitate the calculation of the pile depth based on the sinking depth and ensure the accuracy and quality of the pile depth. The support vertical plates 3022 are cylindrical and arranged radially around the casing 301. A plurality of support radial plates 3023 are arranged between the inner surface of the support vertical plates 3022 and the casing 301. The support radial plates 3023 are arranged between the inner surface of the support vertical plates 3022 and the outer surface of the casing 301 to strengthen the support vertical plates 3022 and ensure that the casing 301 is uniformly supported and stable. The positioning seat 302 has a flat upper surface, which is convenient for workers to step on and improves safety. In addition, the positioning seat 302 is arranged around the end of the pre-set hole to prevent foreign matter from falling into the pile hole and to prevent mud from overflowing from the top of the pre-set hole, which improves the construction environment and meets environmental protection requirements. The positioning seat 302 further comprises an inner support plate arranged on the outer surface of the casing 301. The inner support plate is coaxially arranged with the support vertical plates 3022 and forms a ring structure. The support radial plates 3023 are connected between the inner support plate and the support vertical plates 3022 to increase the strength. The two support cover plates 3021 are arranged on the two end surfaces of the ring structure to form a whole positioning seat 302, which can be adjusted in distance from the top surface of the casing 301 and can form a support platform without foreign matter falling into the ring structure. The positioning seat 302 can be installed in a split manner or as a whole to increase the strength of the whole structure and facilitate the adjustment of the distance from the top surface of the casing 301, which ensures the accuracy of the pile depth and improves the quality of the pile.The square hole is arranged on the casing 301 below the positioning seat 302, the end is radially penetrated with a lifting hole for lifting the casing 301, and the end outer surface of the casing 301 is further sleeved with a sleeve for reinforcing the end of the casing 301. The sleeve is provided with a penetrating hole corresponding to the lifting hole, so as to facilitate lifting the casing 301 and ensure the strength thereof.

[0041] The connecting and positioning mechanism 4 can adopt various structural forms, as long as it can ensure the positioning and connection between the casing 301 and the column frame 1. The following structure is adopted for illustration, with reference to Figures 4-6 The connecting and positioning mechanism 4 includes two positioning sleeves 401 which are sleeved outside the casing 301 and oppositely arranged, and the two positioning sleeves 401 are surrounded to form a cylindrical positioning cylinder. Each positioning sleeve 401 has a stepped sleeve positioning groove 402. The sleeve positioning groove 402 is provided in a stepped structure. The corresponding larger groove depth sections of the two sleeve positioning grooves 402 are surrounded to form large diameter sections, which cooperate with the support vertical plate 3022 of the positioning seat 302. The corresponding smaller groove depth sections of the two sleeve positioning grooves 402 are surrounded to form small diameter sections, which cooperate with the part of the casing 301 above the ground, so that the casing 301 is stably connected with the positioning sleeve 401, and the casing 301 is kept in a vertical state. The two ends and the side of the positioning sleeve 401 are connected to the column frame 1 through a fixing structure, which is a positioning key 404 or a positioning piece 403. That is, the two ends of the positioning sleeve 401 are provided with the above-mentioned positioning piece 403, and the side is provided with the above-mentioned positioning key 404. The positioning piece 403 is inserted into the corresponding positioning hole, and the positioning key 404 is inserted into the positioning groove, so as to position the position between the casing 301 and the column frame 1. When the casing 301 is connected with the column frame 1, first, keep the casing 301 in a vertical state, and the column frame 1 is sleeved outside the casing 301. Adjust the distance between the top of the casing 301 and the bottom of the column frame 1, and the end faces of the small diameter sections of the two positioning sleeves 401 abut against the support cover plate 3021 on the upper part of the positioning seat 302. The positioning piece 403 of the two positioning sleeves 401 is inserted into the corresponding positioning hole, and the positioning key 404 is inserted into the positioning groove. Here, the positioning piece 403 and the positioning key 404 can be directly welded or installed according to the requirement. Then, the positioning sleeve 401 is connected with the casing 301 and the positioning seat 302 through spot welding, fastening piece, or other fixing connection modes, so as to stably connect them and keep the vertical position of the casing 301, and ensure the distance between the top of the casing 301 and the bottom of the column frame 1.

[0042] Another structure is adopted for illustration, with reference to Figure 7The connecting positioning mechanism 4 comprises a supporting cylinder 405 sleeved outside the supporting vertical plate 3022, the bottom surface of the supporting cylinder 405 is arranged in alignment with the bottom surface of the positioning seat 302, a plurality of positioning plates 406 capable of being clamped on the column frame 1 are arranged on the cylinder wall of the supporting cylinder 405, the positioning plates 406 are provided with open grooves towards the end of the lower beam of the column frame 1, the open grooves are clamped on the corresponding lower beam to ensure that the open grooves cooperate with the lower beam of the column frame 1, and the plurality of positioning plates 406 are arranged on the circumference of the supporting cylinder 405; a plurality of positioning blocks 407 capable of abutting or being close to the protective cylinder 301 are arranged on the cylinder wall of the supporting cylinder 405, the plurality of positioning blocks 407 are arranged on the circumference of the protective cylinder 301, the end surface of the positioning block 407 is arranged in an arc-shaped structure matched with the protective cylinder 301, the protective cylinder 301 is further limited, the vertical state of the protective cylinder 301 is ensured, and the pile forming quality is improved, wherein, if it is convenient to install, a hinge or other connecting structure can be arranged at the connection between the positioning block 407 and the protective cylinder 301, the positioning block 407 is first moved upward before the supporting cylinder 405 is sleeved on the protective cylinder 301, the sleeving is facilitated, in addition, the positioning block 407 is preferably close to the protective cylinder 301, that is, a gap is arranged between the end of the positioning block 407 and the outer wall of the protective cylinder 301 in the radial direction, and the positioning block 407 can be directly sleeved outside the protective cylinder 301 along with the supporting cylinder 405 during installation. The arrangement of the connecting positioning mechanism 4 not only positions the protective cylinder 301 to connect the protective cylinder 301 with the column frame 1, but also ensures that the protective cylinder 301 maintains a vertical state, so as to facilitate the installation of the reinforcement cage and the casing pipe, maintain the vertical state of the reinforcement cage and the casing pipe, facilitate the pouring of concrete, and ensure the pile forming quality. Further, in order to adjust the position of the positioning seat 302 according to the requirements of the pile hole specification, a plurality of installation parts are arranged on the outer surface of the protective cylinder 301 and are arranged at intervals along the length direction of the protective cylinder 301, each installation part is capable of installing a corresponding positioning seat 302, and the position of the installation positioning seat 302 is adjusted according to the requirements of the pile hole; another structure can also be used, that is, the protective cylinder 301 is provided with a positioning seat 302 capable of moving along the vertical direction of the protective cylinder 301 through an adjusting device 5, the adjusting device 5 is pre-adjusted, the position of the positioning seat 302 is adjusted, and then the positioning seat 302 is fixed on the protective cylinder 301 by welding or other fastening methods; the adjusting device 5 comprises at least two guide plates 501 arranged on the outer surface of the protective cylinder 301 and extending along the vertical direction of the protective cylinder 301, the two guide plates 501 are symmetrically arranged, the guide plates 501 are provided with a plurality of pre-positioning mechanisms for pre-positioning the positioning seat 302 in the length direction of the guide plates 501, the pre-positioning mechanisms are used for preliminarily limiting and positioning the positioning seat 302, the pre-positioning mechanisms can be adjusted, can be arranged as a stepless adjusting device, and can be parked at any position as required.Preferably, each of the guide plates 501 is provided with a plurality of adjustment limiting holes arranged at intervals and extending along the vertical direction of the casing 301, the adjustment limiting holes on each guide plate 501 are arranged correspondingly to ensure that the action of the positioning seat 302 always remains vertical and coaxial with the casing 301, the pre-positioning mechanism comprises a plurality of pre-positioning seats 502 inserted into the corresponding adjustment limiting holes, in use, the pre-positioning seats 502 can not be removed to prevent soil from entering the hole, the pre-positioning seat 502 is provided with an adjustment limiting hole along the radial direction of the casing 301, the adjustment limiting hole is inserted with a support block 503, and the end of the adjustment limiting hole is further provided with a cover plate 201 which can be opened and closed to prevent soil from entering the limiting hole and affecting the insertion of the support block 503. In adjustment, the positioning seat 302 is sleeved on the casing 301, the position thereof is pre-set according to the need, the support block 503 is inserted into the adjustment limiting hole of the corresponding pre-positioning seat 502, the support cover plate 3021 at the lower part of the positioning seat 302 is pressed on the support block 503, and after the position is determined, spot welding is performed for fixation, after the position is adjusted, the positioning seat 302 is connected with the casing 301 to determine the position of the positioning seat 302; the adjustment device 5 can adjust the position of the installed positioning seat 302 according to the pile depth, and can be applied to different pile depths.

[0043] Another structure is described, referring to Figure 8 The above connecting positioning mechanism 4 comprises two fixed sleeves 408 sleeved outside the support vertical plate 3022, the two fixed sleeves 408 are arranged oppositely, each fixed sleeve 408 is arranged at the opposite corners of the lower part of the column frame 1 oppositely, each fixed sleeve 408 is provided with a fixed key outside, each fixed key is inserted into the corresponding positioning groove or positioning hole of the vertical column 106 to connect the fixed sleeve 408 on the vertical column 106, so that the connection is stable, the vertical position of the casing 301 is maintained, and the distance between the top of the casing 301 and the bottom of the column frame 1 is ensured; the cross section of the fixed sleeve 408 is arc-shaped to facilitate installation.

[0044] In use, first, according to the required pile depth, a pre-set hole with a corresponding hole diameter is dug on the pre-construction foundation, the distance between the top of the casing 301 and the positioning seat 302 is adjusted, the column support 1 is sleeved outside the positioning seat 302, the positioning seat 302 and the column support 1 are connected through the connecting positioning mechanism 4, the casing 301 is kept in a vertical state, and the distance between the top of the casing 301 and the bottom of the column support 1 (i.e. the distance between the top of the casing 301 and the ground) is ensured, that is, the end faces of the small diameter sections of the two positioning sleeves 401 abut on the support cover plate 3021 on the upper part of the positioning seat 302, the positioning members 403 of the two positioning sleeves 401 are inserted into the corresponding positioning holes, the positioning keys 404 are inserted into the positioning grooves, and the positioning keys 404 and the positioning members 403 are directly spot welded according to requirements; the positioning sleeve 401 is connected with the positioning seat 302 of the casing 301 through spot welding, so that the connection is stable and the vertical position of the casing 301 is maintained, and the distance between the top of the casing 301 and the bottom of the column support 1 is ensured, so that the two become an integral whole, that is, a support protection device is formed; then, the support protection device is moved to the pre-set hole by a rotary digging machine, the casing 301 is inserted into the pre-set hole, and the bottom of the column support 1 is pressed against the construction ground, so that the ground is uniformly stressed, the upper end of the pile hole is protected, collapse is avoided, the distance between the upper end face of the casing 301 and the ground is ensured to meet the set value, at the same time, the positioning seat 302 and the column support 1 are uniformly arranged on the periphery of the pre-set hole, the casing 301 is prevented from sinking or falling, pile hole collapse is avoided, the flatness of the construction ground is ensured, environmental protection requirements are met, and the quality of the pile hole is improved; finally, the reinforcement cage is placed in the embedded part through the top of the column support 1, at the same time, the two ends of the long cross rod 1012 are respectively inserted into the reinforcement cage and installed on the corresponding lower long beams 104, the reinforcement cage is initially positioned to avoid falling, at this time, the support body of the support frame 2 is arranged on the two opposite lower support beams 105, the guide pipe is arranged in the reinforcement cage to be coaxial with the reinforcement cage, that is, to ensure that the center lines are on the same straight line, at this time, the two cross rods 1011 are respectively inserted into the reinforcement cage and connected between the two lower cross beams 103 to position the reinforcement cage, ensure that the reinforcement cage and the guide pipe are coaxial with the embedded part, and avoid offset, then, the pouring platform is formed by covering the platform plate 102 and the cover plate 201, etc., to facilitate the staff to step on and pour concrete into the guide pipe through the pouring port.

[0045] The utility model discloses a connecting positioning mechanism 4 is set up, connects the positioning seat 302 outside of the column frame 1 and the casing 301, ensures that it becomes a whole, facilitates hoisting and transfer in the construction process, makes the casing 301 keep vertical state and prevents the casing 301 from sinking, facilitates the staff treading, and the safety improves, simultaneously, the distance between the positioning seat 302 and the casing 301 top surface is set as a constant value, guarantees the precision of pile depth and pile hole quality, the positioning seat 302 is set up, prevents the casing 301 from sinking, facilitates the staff treading, and the safety improves, in addition, since the positioning seat 302 is pressed in the preset hole end peripheral circle, also avoids the foreign matter dropping into the pile hole, avoids the mud from spilling from the preset hole top end, makes the on-site construction environment good, satisfies the environmental protection requirement, ensures the engineering progress, the distance between the positioning seat 302 and the casing 301 top surface is set as a constant value, and can be adjusted according to the pile hole requirement, is applicable to the pile hole of different requirements, guarantees the precision of pile depth, guarantees the pile hole quality, the connecting positioning mechanism 4 is set up, makes the casing 301 and the column frame 1 match, ensures that the casing 301 always keeps vertical state, guarantees the pile hole quality, the adjusting device 5 is set up, facilitates the position adjustment of the positioning seat 302 in the vertical direction, can adjust the distance between the casing 301 top end and the support cover plate 3021 located in the upper portion according to the pile hole requirement, is applicable to the pile hole of different requirements, guarantees the pile depth precision, the lower support beam 105 is set up between the both ends of two opposite lower long beams 104, and the outer side of the two lower support beams 105 abuts on the inner side of the lower wide beam 103, and the lower support beam 105 top surface and the lower wide beam 103 top surface have spacing, to provide support for the cross bar 1011 and the lower support frame 105, the two cross bars 1011 are set up between the two lower wide beams 103 and are symmetrically set up, and the long cross bar 1012 is set up between the two lower long beams 104, and the reinforcement cage is positioned, so that the center of the reinforcement cage coincides with the embedded part, avoiding affecting the pile effect due to offset, the cross bar 1011 and the long cross bar 1012 are vertically set up, the cross bar 1011 and the long cross bar 1012 pass through the reinforcement cage, and the two ends are respectively installed between the two lower wide beams 103 and the two lower long beams 104, ensuring that the center of the reinforcement cage coincides with the casing 301, preventing the catheter and the reinforcement cage from offsetting, avoiding the catheter from being stuck on the reinforcement cage, and avoiding the problem of buried catheter, the platform plate and the cover plate 201 that cooperate with each other are set up on the top of the rack, avoiding pouring sundries into, and improving the construction safety. The structure can integrate the lower reinforcement cage, hoisting reinforcement cage, lower catheter and pouring concrete, improve work efficiency, and can provide a work platform for the staff, avoid offsetting when placing the reinforcement cage and positioning, improve pile quality and work safety.

[0046] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the utility model, which shall belong to the protection scope of the utility model.

Claims

1. A pre-embedded support protection device comprising a column (1) supported on the construction ground, characterized in that, The column frame (1) is provided with a platform plate (102) at the top and a support frame (2) in the middle, the support frame (2) is provided with a cover plate (201) matched with the platform plate (102), and the platform plate (102) and the cover plate (201) are matched to form a pouring platform capable of being stepped on by workers; the lower part of the column frame (1) is connected with a positioning seat (302) arranged on the construction ground through a connecting positioning mechanism (4), a casing (301) capable of keeping vertical is arranged at the center of the positioning seat (302), the lower part of the casing (301) is arranged in a pre-set hole and is arranged to be partially exposed to the ground, and the distance between the top of the casing (301) and the ground is a constant value; the column frame is further provided with a long penetrating rod (1012) for positioning the steel reinforcement cage and two transverse rods (1011), the long penetrating rod (1012) and the transverse rod (1011) are arranged in a cross manner, and the long penetrating rod (1012) is arranged below the transverse rod (1011).

2. The embedment support protection device of claim 1, wherein, The connecting positioning mechanism (4) comprises two positioning sleeves (401) arranged in a sleeving manner outside the casing (301) and arranged oppositely, the two positioning sleeves (401) are arranged to form a positioning cylinder matched with the casing (301), each positioning sleeve (401) is provided with a stepped sleeve positioning groove (402), the large-diameter sections of the two sleeve positioning grooves (402) are matched with the positioning seat (302), and the small-diameter sections are matched with the part of the casing (301) above the ground, and the two ends and the side of the positioning sleeve (401) are connected to the column frame (1) through a fixing structure.

3. The embedment support protection device of claim 1, wherein, The column frame (1) comprises two lower wide beams (103) arranged in parallel and two lower long beams (104) arranged in parallel, the two transverse rods (1011) are arranged between two opposite lower wide beams (103) and are arranged on both sides of the center line of the two lower wide beams (103), and the long penetrating rod (1012) is arranged between the center line of the two lower long beams (104).

4. The device of claim 3, wherein, The long penetrating rod (1012) and the transverse rod (1011) are arranged vertically.

5. The device of claim 3, wherein the device is configured to be attached to the embedded part by a plurality of fasteners. The two lower long beams (104) are provided with a lower support beam (105) between the two ends, and the top surface of the lower support beam (105) has a spacing with the top surface of the lower wide beam (103), and the two ends of each transverse rod (1011) are respectively abutted on the top surface of the corresponding lower support beam (105).

6. The device of claim 5, wherein, The center of the cover plate (201) is provided with an opening, and the support frame (2) further comprises two opposite upper wide beams (203) abutting on the lower support beam (105) and two opposite upper long beams (204), the two upper long beams (204) are connected with two parallel middle cross beams (205), each middle cross beam (205) is hinged with a shutter (202) capable of being opened and closed and penetrating through the opening on the opposite side surfaces, each shutter (202) is provided with a semicircular groove, and the two grooves are arranged oppositely and form a pouring opening.

7. The pre-embedded part support protection device according to claim 5, wherein The protecting cylinder (301) is also connected with the positioning base (302) through the adjusting device (5), the adjusting device comprises at least two guide plates (501) arranged on the outer surface of the protecting cylinder (301) and extending along the vertical direction of the protecting cylinder (301), the two guide plates (501) are symmetrically arranged, and the guide plates (501) are provided with a plurality of pre-positioning mechanisms for pre-positioning the positioning base (302) in the length direction.

8. The device of claim 7, wherein, A plurality of adjusting limiting holes are arranged on each guide plate (501) and extend along the vertical direction of the protecting cylinder (301), the adjusting limiting holes on the guide plates (501) are correspondingly arranged, the pre-positioning mechanisms comprise a plurality of pre-positioning bases (502) arranged in the corresponding adjusting limiting holes, the pre-positioning bases (502) are provided with adjusting positioning holes in the radial direction of the protecting cylinder (301), supporting blocks (503) are inserted into the adjusting positioning holes, and the bottom of the positioning base (302) is pressed on the supporting blocks (503).

9. The embedment support protection apparatus of claim 1, wherein, The connecting positioning mechanism (4) further comprises a supporting cylinder (405) sleeved outside the supporting vertical plate (3022), the bottom surface of the supporting cylinder (405) is arranged in alignment with the bottom surface of the positioning base (302), a plurality of positioning plates (406) capable of being clamped on the column frame (1) are arranged on the cylinder wall of the supporting cylinder (405), and the end of the positioning plate (406) towards the column frame (1) is provided with an open slot capable of being clamped on the corresponding column frame (1).

10. The device of claim 9, wherein, A plurality of positioning blocks (407) capable of abutting against the protecting cylinder (301) are arranged on the cylinder wall of the supporting cylinder (405), the plurality of positioning blocks (407) are arranged on the circumference of the protecting cylinder (301), and the end surface of the positioning block (407) is provided with an arc-shaped structure matched with the protecting cylinder (301).

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