Concrete prefabricated beam column elevation adjusting device

Abstract

The invention discloses a concrete prefabricated beam column elevation adjusting device, and relates to the technical field of building construction, the concrete prefabricated beam column elevation adjusting device comprises a base, a supporting table and an adjusting assembly; a cavity is formed in the base; a through hole is formed in the bottom of the base; the supporting table is arranged in the cavity and can move relative to the base; a threaded rod is arranged at the bottom of the supporting table; the adjusting assembly comprises an adjusting wheel and an adjusting rod; the adjusting wheel is rotationally arranged at the bottom of the base, and the adjusting wheel and the threaded rod are matched in a sleeving mode and in a threaded mode; the adjusting rod is rotationally arranged at the bottom of the base, and the adjusting rod is located on the outer side of the adjusting wheel and is in threaded fit with the adjusting wheel; the adjusting rod rotates to drive the adjusting wheel to rotate, and the adjusting wheel rotates to drive the supporting table to move. The prefabricated beam column can conveniently reach the expected height in the construction process, and meanwhile the safety and stability of the overall structure can be effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of building construction, and in particular to a device for adjusting the elevation of prefabricated concrete beams and columns. Background Art

[0002] At present, in the construction industry, in order to ensure the overall quality and safety performance of the building, there are strict standards for the installation of precast concrete components (such as precast beams and columns). Especially in the construction of high-rise buildings and bridges, the precise installation of precast beams and columns is particularly important.

[0003] In traditional construction of prefabricated beams and columns, the final height of the prefabricated beams and columns after installation is estimated in advance during the hoisting process. After measuring the size of the prefabricated beams and columns, pads of different thicknesses are placed at the bottom of the prefabricated beams and columns so that the prefabricated beams and columns can reach the expected height after being placed on the pads.

[0004] Although traditional construction methods are simple and easy, due to the complex and changeable conditions on the construction site, it is difficult to achieve accurate height positioning in one go during the actual installation of prefabricated beams and columns using traditional construction methods, and later adjustments are often required. This not only increases the difficulty of construction and prolongs the construction period, but may also affect the safety and stability of the overall structure. Summary of the invention

[0005] The present application provides a device for adjusting the elevation of a precast concrete beam and column, which can facilitate the precast concrete beam and column to reach a desired height during the construction process, and can effectively improve the safety and stability of the overall structure.

[0006] The present application provides a device for adjusting the elevation of a prefabricated concrete beam column, which adopts the following technical solution: A prefabricated concrete beam-column elevation adjustment device comprises a base, a support platform and an adjustment component; The base has a cavity inside, and the cavity forms an opening at the top of the base; the bottom of the base has a through hole, and the through hole is connected to the cavity; The support platform is arranged in the cavity, forms a seal in the cavity, and can move relative to the base in a vertical direction; the bottom of the support platform has a threaded rod that can penetrate into the inside of the base below the base, and the threaded rod is kept passing through the through hole; The adjustment assembly includes an adjustment wheel and an adjustment rod; the adjustment wheel is rotatably arranged at the bottom of the base, the rotation axis of the adjustment wheel is vertical, and the adjustment wheel is sleeved and matched with the threaded rod and threadedly matched; the adjustment rod is rotatably arranged at the bottom of the base, the rotation axis of the adjustment rod is perpendicular to the rotation axis of the adjustment wheel, the adjustment rod is located at the outside of the adjustment wheel and threadedly matched with the adjustment wheel; the rotation of the adjustment rod can drive the adjustment wheel to rotate, and the rotation of the adjustment wheel can drive the support platform to move.

[0007] By adopting the above technical solution, threading the threaded rod into the base can facilitate construction workers to determine the installation position of the prefabricated beams and columns. After the prefabricated beams and columns are placed on the support platform, the height position of the prefabricated beams and columns can be adjusted by controlling the movement of the support platform through the adjustment component, so that the prefabricated beams and columns can reach the expected height during the construction process. At the same time, it can facilitate construction workers to reinforce the structure between the prefabricated beams and columns and the base, thereby effectively improving the safety and stability of the overall structure.

[0008] Optionally, a locking assembly is further included, and the locking assembly is arranged on the supporting platform; The locking assembly includes a plurality of locking members and a plurality of control members; the locking members are movably arranged on the top of the support platform and can move in the horizontal direction, and the plurality of locking members can enclose to form a positioning space for locking the bottom of the prefabricated beam column; the control member is rotatably connected to the support platform, and the rotation axis is horizontal; the plurality of control members can control the movement of the plurality of locking members, and the peripheral side of the base is provided with a plurality of clearance openings for exposing the plurality of control members.

[0009] By adopting the above technical solution, the position stability of the prefabricated beams and columns after being placed on the support platform can be improved, and it can also be convenient for construction workers to adjust the horizontal position of the prefabricated beams and columns placed on the support platform.

[0010] Optionally, the locking assembly includes four locking members and two control members, and the base is provided with two corresponding clearance openings; The control member corresponds to the two locking members, the corresponding two locking members are symmetrically distributed and their movable directions are parallel to each other, and the movable directions of the two non-corresponding locking members are perpendicular to each other; the rotation axis of the control member is parallel to the movable direction of the corresponding locking member, and the control member is simultaneously threadedly matched with the corresponding two locking members and the thread matching directions are opposite.

[0011] By adopting the above technical solution, the process of position adjustment and position locking of prefabricated beams and columns on the support platform can be made more convenient for construction workers, and the prefabricated beams and columns can be conveniently placed in the center of the support platform.

[0012] Optionally, during the movement of the support platform relative to the base, the cavity can communicate with the outside through the two clearance openings.

[0013] By adopting the above technical solution, it is possible to facilitate the process of reinforcing the structure between the prefabricated beams and the matrix, and concrete can fill the cavity through the concession opening, thereby effectively improving the structural strength of the structure between the prefabricated beams and the matrix after reinforcement.

[0014] Optionally, the bottom of the prefabricated beam column has a plurality of embedded parts extending outward, and the support platform is provided with a plurality of positioning openings for inserting the embedded parts, the plurality of positioning openings are all connected to the positioning space, and the embedded parts can pass through the positioning openings into the cavity.

[0015] By adopting the above technical solution, it is possible to facilitate the initial positioning and placement of prefabricated beams and columns on the support platform, and at the same time, the reinforcement effect of the structure between the prefabricated beams and columns and the matrix after the cavity is filled with concrete can be further improved.

[0016] Optionally, a plurality of first through holes are opened inside the threaded rod, and the first through holes penetrate through both ends of the threaded rod in the length direction to form openings.

[0017] By adopting the above technical solution, after the cavity is filled with concrete, the concrete can enter the interior of the matrix through the first through hole, thereby further improving the effect of reinforcing the structure between the prefabricated beam column and the matrix.

[0018] Optionally, four positioning rods are also included; The positioning rod is arranged on the base, part of which is located below the base and can penetrate into the base body along the vertical direction; four positioning rods are distributed in a circular array with the axis of the through hole as the axis.

[0019] By adopting the above technical solution, the positioning accuracy of the base on the base can be further improved, and the position stability of the base relative to the base can be further improved.

[0020] Optionally, the positioning rod is partially located in the cavity, and the positioning rod has a clamping portion at one end close to the cavity; the positioning rod can move in a vertical direction relative to the base and can rotate around its own vertical axis, and when the support platform moves downward to an extreme position, the positioning rod can be clamped and cooperated with the adjacent embedded part through the clamping portion, and the clamped positioning rod can move with the support platform.

[0021] By adopting the above technical solution, after the positioning rod is engaged with the embedded part and the cavity is filled with concrete, the structural strength of the structure between the prefabricated beam column and the matrix can be further improved.

[0022] Optionally, it further comprises four limiting members and four elastic members, and the four limiting members and the four elastic members are distributed in one-to-one correspondence with the four positioning rods; The limiting member is arranged on one side corresponding to the clamping portion to limit the rotation of the positioning rod; the two ends of the elastic member are respectively connected to the base and the clamping portion, and have a tendency to drive the positioning rod to rotate in a direction close to the corresponding limiting member; When the support platform moves downward to the extreme position, several of the embedded parts can contact the four limiting parts respectively and release the rotation restriction on the four positioning rods. The positioning rods rotate under the action of the corresponding elastic parts, so that the clamping parts are clamped and matched with the adjacent embedded parts.

[0023] By adopting the above technical solution, the process of realizing the snap-fitting cooperation between the positioning rod and the embedded component can be made more convenient and quick, thereby effectively improving the reliability and stability of the snap-fitting cooperation between the positioning rod and the embedded component.

[0024] Optionally, a second through hole is opened inside the positioning rod, and the second through hole passes through both ends of the threaded rod in the length direction to form an opening.

[0025] By adopting the above technical solution, after the cavity is filled with concrete, the concrete can enter the interior of the matrix through the second through hole, thereby further improving the effect of reinforcing the structure between the prefabricated beam column and the matrix.

[0026] In summary, the present application includes at least one of the following beneficial effects: 1. It is convenient for construction workers to adjust the height of prefabricated beams and columns, so that the prefabricated beams and columns can reach the expected height, reduce the difficulty of operation, and shorten the construction time; 2. It can effectively improve the position accuracy of prefabricated beam and column construction, thereby effectively improving the construction quality of prefabricated beam and column; 3. It can facilitate the construction workers to reinforce the structure at the bottom of the prefabricated beams and columns, thereby effectively improving the safety and stability of the overall structure; 4. It is convenient for construction workers to reinforce the structure at the bottom of the prefabricated beams and columns by pouring concrete, effectively improving the connection strength between the device and the matrix and the prefabricated beams and columns, so as to further improve the safety and stability of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic structural diagram of a prefabricated concrete beam-column elevation adjustment device before adjusting the height of the prefabricated beam-column according to an embodiment of the present application; Figure 2 This is a structural schematic diagram of a prefabricated concrete beam-column elevation adjustment device according to an embodiment of the present application when adjusting the height of a prefabricated beam-column; Figure 3 It is a cross-sectional view of a prefabricated concrete beam-column elevation adjustment device according to an embodiment of the present application when adjusting the height of a prefabricated beam-column; Figure 4 It is a cross-sectional view of a prefabricated concrete beam-column elevation adjustment device before adjusting the height of the prefabricated beam-column according to an embodiment of the present application; Figure 5 It is a schematic diagram of the structure inside the base before a prefabricated concrete beam-column elevation adjustment device according to an embodiment of the present application adjusts the height of the prefabricated beam-column; Figure 6 It is a structural schematic diagram when the construction of prefabricated beams and columns in the embodiment of the present application is completed.

[0028] Explanation of the accompanying drawings: 1. base; 11. cavity; 12. perforation; 13. clearance opening; 2. support platform; 21. threaded rod; 211. first through hole; 22. positioning opening; 3. adjustment assembly; 31. adjustment wheel; 32. adjustment rod; 4. locking assembly; 41. locking member; 42. control member; 5. positioning rod; 51. clamping part; 52. second through hole; 6. prefabricated beam and column; 61. embedded part; 7. base; 8. positioning space; 9. limit member; 10. elastic member. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-6 This application is described in further detail.

[0030] Reference Figure 1 and Figure 2 The embodiment of the present application discloses a device for adjusting the elevation of a precast concrete beam and column, which is used to adjust the height position of the precast concrete beam and column 6 during the construction process of the precast concrete beam and column 6, so that the precast concrete beam and column 6 can meet the expected height requirements after installation, and at the same time can improve the structural strength of the bottom structure of the precast concrete beam and column 6, so as to improve the safety and stability of the overall structure.

[0031] Reference Figure 1 and Figure 3 The elevation adjustment device for prefabricated concrete beams and columns comprises a base 1, a support platform 2, an adjustment component 3, a locking component 4 and four positioning rods 5. The base 1 is used for the device to determine the installation position on the base 7, so as to facilitate the determination of the installation position of the prefabricated beams and columns 6 on the base 7; the support platform 2 is used to support the prefabricated beams and columns 6, so that the device and the prefabricated beams and columns 6 are connected; the adjustment component 3 is used to adjust the height position of the prefabricated beams and columns 6; the locking component 4 is used to fix the prefabricated beams and columns 6 on the support platform 2; the positioning rods 5 are used to facilitate the installation and positioning of the base 1 on the base 7, and improve the position accuracy of the base 1 installed on the base 7. In this embodiment, the prefabricated beams and columns 6 are preferably rectangular structures with a square cross-section; and the base 7 is preferably a concrete structure with a horizontal top, and drilling construction is convenient on the base 7.

[0032] The base 1 is a rectangular parallelepiped structure with a square cross section. It has a cavity 11 inside. The cavity 11 passes through one side along its height direction to form an opening. The base 1 is installed and positioned on the base 7 with the opening of the cavity 11 facing vertically upward.

[0033] The support platform 2 is a square plate-shaped structure as a whole. The support platform 2 is installed in the cavity 11. The side walls around it are respectively fitted with the groove walls around the cavity 11 and can move relative to the base 1 in a direction parallel to the opening direction of the cavity 11.

[0034] Reference Figure 3 and Figure 4 , the support platform 2 is limited in its movement relative to the base 1 in the cavity 11. When the support platform 2 moves upward to the limit position, the support platform 2 is still located in the cavity 11, and the end surface of the top of the support platform 2 will be flush with the end surface of the top of the base 1; when the support platform 2 moves downward to the limit position, a certain distance is maintained between the support platform 2 and the inner wall of the bottom of the cavity 11.

[0035] A threaded rod 21 extends downward from the bottom of the support platform 2 along the direction of its own vertical center line. The threaded rod 21 is an overall cylindrical structure, and the axis of the threaded rod 21 coincides with the vertical center line of the support platform 2. A through hole 12 is provided at the bottom of the base 1 for the threaded rod 21 to pass through, and the axis of the through hole 12 coincides with the axis of the threaded rod 21. When the support platform 2 moves relative to the base 1, the threaded rod 21 remains through the through hole 12.

[0036] Reference Figure 1 and Figure 3 The adjustment component 3 is installed at the bottom of the base 1 and includes an adjustment wheel 31 and an adjustment rod 32.

[0037] Among them, the adjusting wheel 31 is annular in structure as a whole, which is rotatably installed on the base 1 and located in the through hole 12, and its rotation axis coincides with its own axis and the axis of the through hole 12; the threaded rod 21 passes through the through hole 12 and cooperates with the adjusting wheel 31 at the same time, and cooperates with the thread of the adjusting wheel 31.

[0038] The adjusting rod 32 is a cylindrical structure as a whole, which is rotatably mounted on the base 1 and is located on one side of the radial direction of the adjusting wheel 31, and its rotation axis is perpendicular to the rotation axis of the adjusting wheel 31; the adjusting rod 32 and the adjusting wheel 31 are also threadedly matched, and the adjusting wheel 31 can be driven to rotate relative to the base 1 by controlling the rotation of the adjusting rod 32 relative to the base 1. In this embodiment, the rotation axis of the adjusting rod 32 is preferably parallel to the side length of the square cross-section of the base 1; the driving between the adjusting wheel 31 and the adjusting rod 32 is preferably realized by the principle of a worm gear structure; and one end of the adjusting rod 32 in the axial direction is preferably provided with a structure that is convenient for construction personnel to control its rotation, and the structure is exposed to the outside in the form of a countersunk head; since the worm gear structure is a common prior art, the driving principle between the adjusting rod 32 and the adjusting wheel 31 is not described in detail here, and the structures of the two are only briefly shown in the attached drawings.

[0039] By controlling the adjusting rod 32 to rotate relative to the base 1 , the adjusting wheel 31 can be driven to rotate relative to the base 1 , thereby driving the threaded rod 21 to move along its own axial direction, thereby achieving the effect of the support platform 2 moving relative to the base 1 .

[0040] Reference Figure 2 and Figure 3 When the base 1 is just installed and positioned on the base 7, the support platform 2 will be in a state of moving downward to the limit position relative to the base 1; before the base 1 is installed and positioned on the base 7, the construction personnel first determine the construction position of the prefabricated beam column 6 on the base 7, drill holes on the base 7 to obtain holes for the threaded rod 21 to penetrate, and then preliminarily determine the installation position of the base 1 on the base 7 by matching the portion of the threaded rod 21 located below the base 1 with the hole. In this embodiment, it is preferred that the radial size of the hole is larger than the radial size of the threaded rod 21.

[0041] Reference Figure 1 and Figure 3 The locking assembly 4 is installed on the top of the support platform 2, and includes four locking members 41 and two control members 42, and each control member 42 corresponds to two locking members 41. The locking members 41 are used to contact the bottom structure of the prefabricated beam column 6 to lock and position it; the control member 42 is used for the construction personnel to control the corresponding two locking members 41 to lock and position the bottom structure of the prefabricated beam column 6.

[0042] The locking member 41 is a rectangular sheet structure as a whole. The locking member 41 is movably mounted on the top of the support platform 2 and is located above the support platform 2 as a whole. The four locking members 41 are distributed in a circular array on the support platform 2 with the vertical center line of the support platform 2 as the axis, and the movement directions of the four locking members 41 are perpendicular to the vertical center line of the support platform 2 and are respectively perpendicular to the length direction of the adjacent sides on the support platform 2. The locking member 41 is aligned with another corresponding locking member 41 along its own movement direction. At this time, the four locking members 41 are enclosed together above the support platform 2 to form a positioning space 8 for fixing the bottom structure of the prefabricated beam column 6 in the horizontal direction, and the size of the positioning space 8 changes with the movement of the four locking members 41.

[0043] The control member 42 is a cylindrical rod-shaped structure as a whole. The control member 42 is rotatably connected to the support platform 2. The rotation axis of the control member 42 coincides with its own axis and is parallel to the movement direction of the corresponding locking member 41. The control member 42 is also fitted with the corresponding two locking members 41 located inside the support platform 2 and threaded, and the threaded matching directions of the control member 42 and the corresponding two locking members 41 are opposite. At this time, the rotation of the control member 42 can drive the corresponding two locking members 41 to move synchronously in the opposite direction relative to the support platform 2, and the corresponding two locking members 41 will maintain a symmetrical distribution relative to the support platform 2 during the movement. In this embodiment, it is preferred that one end of the control member 42 in the axial direction has a structure that is convenient for construction personnel to control its rotation, and the structure is exposed to the outside in the form of a countersunk head, and the two control members 42 are misaligned in the upper and lower positions inside the support platform 2; since the principle of the control member 42 controlling the movement of the corresponding two locking members 41 (i.e., screw transmission) is a common prior art, it is not described here, and it is only briefly represented in the attached drawings.

[0044] To facilitate construction workers to operate the locking assembly 4 when the support platform 2 is adjusted to any position relative to the base 1, two clearance openings 13 are preferably provided on the circumferential side of the base 1 for exposing one end of the control member 42 to facilitate construction workers to control its rotation.

[0045] The clearance opening 13 extends along the height direction of the base 1, and the two clearance openings 13 are respectively located on two adjacent circumferential sides of the base 1; when the support platform 2 is movably adjusted to any position relative to the base 1, the space below the support platform 2 in the cavity 11 can communicate with the outside world through the two clearance openings 13.

[0046] Reference Figure 3 and Figure 4Furthermore, in order to facilitate the construction workers to initially position the prefabricated beam column 6 above the support platform 2, it is preferred that a plurality of positioning openings 22 are opened on the support platform 2 in the vertical direction, and a plurality of embedded parts 61 that can pass through the positioning openings 22 are extended outward from the bottom of the prefabricated beam column 6 along its own length direction, and the plurality of positioning openings 22 correspond to the plurality of embedded parts 61 one by one. In this embodiment, it is preferred that a total of four positioning openings 22 are opened on the support platform 2, and the four positioning openings 22 are distributed in a circular array on the support platform 2 with the vertical center line of the support platform 2 as the axis, and the distribution pattern is the same as the distribution pattern of the four locking members 41; and it is preferred that a total of four embedded parts 61 are provided at the bottom of the prefabricated beam column 6, and the size of the positioning openings 22 is larger than the size of the embedded parts 61.

[0047] The two ends of the positioning opening 22 are respectively connected with the positioning space 8 and the space below the support platform 2 in the cavity 11. When the four embedded parts 61 of the prefabricated beam column 6 pass through the corresponding four positioning openings 22 and their bottoms are in contact with the top of the support platform 2, the prefabricated beam column 6 is initially positioned above the support platform 2, and the embedded parts 61 will be partially located in the space below the support platform 2 in the cavity 11, and the bottom structure of the prefabricated beam column 6 will fall into the positioning space 8. In the subsequent process of locking and positioning the bottom structure of the prefabricated beam column 6 by the locking assembly 4, not only can the prefabricated beam column 6 be positioned in the horizontal direction, but also the prefabricated beam column 6 can be centered relative to the support platform 2, thereby improving the position accuracy of the construction of the prefabricated beam column 6.

[0048] The positioning rod 5 is an overall cylindrical rod-shaped structure. The positioning rod 5 passes through the bottom of the base 1, and its axial direction is parallel to the height direction of the base 1. The positioning rod 5 can move relative to the base 1 along its own axial direction, and can rotate relative to the base 1 with its own axis as the axis.

[0049] Reference Figure 3 and Figure 5 The four positioning rods 5 are distributed in a circular array on the base 1 with the axis of the through hole 12 as the axis. The distribution pattern of the four positioning rods 5 on the base 1 is the same as the distribution pattern of the four positioning holes 22 on the support platform 2, and the connecting line of the positions of the two positioning holes 22 close to the two sides of the base 1 is parallel or perpendicular to the side length of the square cross-section of the base 1.

[0050] The two ends of the positioning rod 5 in the axial direction are respectively located below the base 1 and in the cavity 11 below the support platform 2. One end of the positioning rod 5 close to the cavity 11 extends outward in a direction perpendicular to its own axis with a clamping portion 51, which can form a clamping fit with the embedded part 61 and can limit the positioning rod 5 from moving away from the base 1. In this embodiment, the structure of the embedded part 61 exposed to the outside is preferably U-shaped, and the space inside it is for the clamping portion 51 to enter and form a clamping fit.

[0051] The base 1 is provided with four limiters 9 and four elastic members 10 in the cavity 11 corresponding to the four positioning rods 5. The limiters 9 are used to limit the position of the corresponding positioning rods 5 relative to the base 1; the elastic members 10 are used to drive the positioning rods 5 to rotate to the desired position after the limit is released.

[0052] The stopper 9 is elastic and fixedly mounted on the inner wall of the bottom of the cavity 11 and is located on the side of the corresponding positioning rod 5 close to the through hole 12; the clamping portion 51 contacts and abuts against the stopper 9, and the extending direction of the clamping portion 51 is parallel to the side adjacent to it in the square cross section of the base 1; and the four stoppers 9 are respectively aligned with the four positioning openings 22 on the support platform 2 in the vertical direction. In this embodiment, the stopper 9 is preferably made of rubber material.

[0053] The elastic member 10 is fixedly mounted on the side of the corresponding stopper 9 away from the through hole 12, one end of the elastic member 10 is fixedly connected to the inner wall of the cavity 11, and the other end can abut against the clamping portion 51 of the corresponding positioning rod 5 or the corresponding stopper 9. In this embodiment, the elastic member 10 is preferably a spring.

[0054] Reference Figure 3 and Figure 5 , when the base 1 is just installed and positioned on the base 7, the support platform 2 is in a state of moving downward to the limit position relative to the base 1, and the four positioning rods 5 are in a state of moving downward to the limit position relative to the base 1, and the clamping parts 51 of the positioning rods 5 are fixed between the corresponding elastic parts 10 and the limiting parts 9; before the base 1 is installed and positioned on the base 7, the construction personnel also first determine the construction position of the prefabricated beams and columns 6 on the base 7, and then drill holes on the base 7 to obtain holes for the four positioning rods 5 to penetrate, and then further determine the installation position of the base 1 on the base 7 by respectively cooperating the parts of the four positioning rods 5 located below the base 1 with the four holes. In this embodiment, it is also preferred that the radial size of the above-mentioned holes is larger than the radial size of the positioning rods 5.

[0055] Reference Figure 3 and Figure 4After the base 1 is installed on the base 7, when the prefabricated beam column 6 is placed on the support platform 2, the embedded part 61 passing through the positioning opening 22 will contact the corresponding limiting part 9, and at the same time drive the limiting part 9 to elastically deform until the limiting of the clamping part 51 of the adjacent positioning rod 5 is released. At this time, the positioning rod 5 will rotate relative to the base 1 under the action of the corresponding elastic member 10, so that the corresponding clamping part 51 rotates and snaps into the internal space of the embedded part 61 to form a snap fit; in the subsequent process of the support platform 2 moving relative to the base 1, the four positioning rods 5 will move together, and the positioning rods 5 still remain partially located below the base 1 during the movement. In this embodiment, it is preferred that the rotation process of the positioning rod 5 relative to the base 1 is limited; when the positioning rod 5 rotates to the extreme position in the direction close to the through hole 12, the extension direction of the clamping part 51 is toward the through hole 12; when the positioning rod 5 rotates to the extreme position in the direction away from the through hole 12, the extension direction of the clamping part 51 is parallel to the adjacent side length of the square cross section of the base 1.

[0056] Reference Figure 1 and Figure 6 When the support platform 2 is movable and adjusted relative to the base 1 and the precast beam column 6 is locked and positioned on the support platform 2 by the locking assembly 4, the installation position of the precast beam column 6 is determined; in order to improve the structural strength of the bottom structure of the precast beam column 6, it is necessary to build a template around the bottom structure of the precast beam column 6 on the base 7 and pour concrete, so that the structure at the bottom of the precast beam column 6 is wrapped by concrete. After the concrete solidifies, the overall safety and stability of the precast beam column 6 will be improved.

[0057] Reference Figure 1 and Figure 3 A plurality of first through holes 211 for concrete circulation are provided on the threaded rod 21, and the plurality of first through holes 211 are distributed in a circular array on the threaded rod 21 with the axis of the threaded rod 21 as the axis; the first through holes 211 extend along the axis of the threaded rod 21 as a whole, and one end of the first through hole 211 close to the support platform 2 penetrates the threaded rod 21 along the radial direction of the threaded rod 21 to form an opening, and the end of the first through hole 211 away from the support platform 2 penetrates the bottom of the threaded rod 21 to form an opening.

[0058] A second through hole 52 for concrete to flow is also formed inside the positioning rod 5 . One end of the second through hole 52 passes through the bottom of the positioning rod 5 to form an opening, and the other end passes through the end of the clamping portion 51 to form an opening.

[0059] During the pouring of concrete, the concrete will enter the space below the support platform 2 in the cavity 11 through the two clearance openings 13. After the concrete fills the space below the support platform 2 in the cavity 11, the concrete will be able to flow into the five holes correspondingly drilled on the base 7 through the first through holes 211 and the four second through holes 52, and fill the five holes.

[0060] When the concrete pouring is completed and solidified, a new connection relationship will be formed between the device and the base 7 and between the prefabricated beam column 6 and the device through the solidified concrete, thereby effectively improving the structural strength of the bottom structure of the prefabricated beam column 6 after construction.

[0061] The implementation principle of the elevation adjustment device for precast concrete beams and columns in the present application is as follows: First, holes are drilled on the base 7 to obtain holes for the threaded rod 21 and the four positioning rods 5 to penetrate, and then the base 1 is installed and positioned on the base 7 by fitting the threaded rod 21 with the corresponding holes and the four positioning rods 5 with the corresponding holes; then the prefabricated beam column 6 is hoisted and placed on the support platform 2, so that the four embedded parts 61 at the bottom of the prefabricated beam column 6 pass through the corresponding four positioning holes 22 on the support platform 2 respectively, and after the embedded parts 61 pass through the positioning holes 22, they will drive the limiter 9 to contact the rotation limit of the corresponding positioning rod 5, so that the positioning rod 5 is The corresponding elastic member 10 rotates under the action of the clamping part 51 to realize the clamping fit between the clamping part 51 and the corresponding embedded part 61; then the bottom of the prefabricated beam column 6 is locked and positioned in the positioning space 8 by the locking component 4, and then the support platform 2 is controlled to move relative to the base 1 by the adjustment component 3, so that the height position of the top of the prefabricated beam column 6 meets the requirements; then a template is built around the base 1 on the base 7, and then concrete is poured in the template so that the concrete fills the interior of the device and wraps the entire device; after the concrete solidifies, the construction of the prefabricated beam column 6 is completed.

[0062] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A device for adjusting the elevation of a prefabricated concrete beam column, characterized in that: It comprises a base (1), a support platform (2) and an adjustment component (3); The base (1) has a cavity (11) inside, and the cavity (11) forms an opening at the top of the base (1); a through hole (12) is formed at the bottom of the base (1), and the through hole (12) is communicated with the cavity (11); The support platform (2) is arranged in the cavity (11), forms a seal in the cavity (11), and is movable relative to the base (1) in a vertical direction; the bottom of the support platform (2) has a threaded rod (21) that can penetrate into the interior of the base (7) below the base (1), and the threaded rod (21) is kept passing through the through hole (12); The adjustment assembly (3) comprises an adjustment wheel (31) and an adjustment rod (32); the adjustment wheel (31) is rotatably arranged at the bottom of the base (1), the rotation axis of the adjustment wheel (31) is vertical, and the adjustment wheel (31) is sleeved and matched with the threaded rod (21) and threadedly matched; the adjustment rod (32) is rotatably arranged at the bottom of the base (1), the rotation axis of the adjustment rod (32) is perpendicular to the rotation axis of the adjustment wheel (31), the adjustment rod (32) is located outside the adjustment wheel (31) and threadedly matched with the adjustment wheel (31); the rotation of the adjustment rod (32) can drive the adjustment wheel (31) to rotate, and the rotation of the adjustment wheel (31) can drive the support platform (2) to move.

2. The elevation adjustment device for precast concrete beams and columns according to claim 1, characterized in that: It also includes a locking assembly (4), and the locking assembly (4) is arranged on the support platform (2); The locking assembly (4) comprises a plurality of locking members (41) and a plurality of control members (42); the locking members (41) are movably arranged on the top of the support platform (2) and are movable in the horizontal direction, and the plurality of locking members (41) are capable of enclosing a positioning space (8) for locking the bottom of the prefabricated beam column (6); the control member (42) is rotatably connected to the support platform (2), and the rotation axis is horizontal; the plurality of control members (42) are capable of controlling the movement of the plurality of locking members (41), and the peripheral side of the base (1) is provided with a plurality of clearance openings (13) for exposing the plurality of control members (42).

3. The device for adjusting the elevation of a precast concrete beam according to claim 2, characterized in that: The locking assembly (4) comprises four locking members (41) and two control members (42), and the base (1) is provided with two corresponding clearance openings (13); The control member (42) corresponds to the two locking members (41); the two corresponding locking members (41) are symmetrically distributed and their movable directions are parallel to each other, and the movable directions of the two non-corresponding locking members (41) are perpendicular to each other; the rotation axis of the control member (42) is parallel to the movable direction of the corresponding locking member (41); the control member (42) is simultaneously threadedly matched with the two corresponding locking members (41) and the threaded matching directions are opposite.

4. The device for adjusting the elevation of a precast concrete beam column according to claim 3, characterized in that: During the movement of the support platform (2) relative to the base (1), the cavity (11) can communicate with the outside through the two clearance openings (13).

5. The device for adjusting the elevation of a precast concrete beam according to claim 4, characterized in that: The bottom of the prefabricated beam column (6) has a plurality of embedded parts (61) extending outwards, and the support platform (2) is provided with a plurality of positioning openings (22) for inserting the embedded parts (61), the plurality of positioning openings (22) are all in communication with the positioning space (8), and the embedded parts (61) can pass through the positioning openings (22) and enter the cavity (11).

6. The device for adjusting the elevation of a precast concrete beam according to claim 4, characterized in that: A plurality of first through holes (211) are provided inside the threaded rod (21), and the first through holes (211) penetrate through both ends of the threaded rod (21) in the length direction to form openings.

7. The device for adjusting the elevation of a precast concrete beam according to claim 5, characterized in that: Also includes four positioning rods (5); The positioning rod (5) is arranged on the base (1), partly located below the base (1), and can penetrate the base (7) in a vertical direction; the four positioning rods (5) are distributed in a circular array with the axis of the through hole (12) as the axis.

8. The device for adjusting the elevation of a precast concrete beam according to claim 7, characterized in that: The positioning rod (5) is partially located in the cavity (11), and one end of the positioning rod (5) close to the cavity (11) has a clamping portion (51); the positioning rod (5) can move in a vertical direction relative to the base (1) and can rotate around its own vertical axis; when the support platform (2) moves downward to an extreme position, the positioning rod (5) can be clamped and matched with the adjacent embedded part (61) through the clamping portion (51), and the clamped positioning rod (5) can move along with the movement of the support platform (2).

9. The device for adjusting the elevation of a precast concrete beam column according to claim 8, characterized in that: It also includes four limiting members (9) and four elastic members (10), and the four limiting members (9) and the four elastic members (10) are distributed in one-to-one correspondence with the four positioning rods (5); The limiting member (9) is arranged on a side corresponding to the clamping portion (51) to limit the rotation of the positioning rod (5); the two ends of the elastic member (10) are respectively connected to the base (1) and the clamping portion (51) to have a tendency to drive the positioning rod (5) to rotate in a direction close to the corresponding limiting member (9); When the support platform (2) moves downward to the extreme position, the plurality of embedded parts (61) can respectively contact the four limiting parts (9) and release the rotation restriction on the four positioning rods (5), and the positioning rods (5) rotate under the action of the corresponding elastic parts (10), so that the clamping parts (51) are clamped and matched with the adjacent embedded parts (61).

10. The device for adjusting the elevation of a precast concrete beam column according to claim 8, characterized in that: A second through hole (52) is provided inside the positioning rod (5), and the second through hole (52) passes through both ends of the threaded rod (21) in the length direction to form an opening.

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