Adjusting jig
By designing and adjusting fixtures, using the coordination of hooks and upper and lower adjustment parts, the horizontal position of the upper and lower precast columns is accurately adjusted, which solves the problem of insufficient alignment accuracy in traditional installation methods, improves installation accuracy and construction efficiency, and ensures the stability and safety of the building structure.
Patent Information
- Application Number
- CN202421907697.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-08-08
AI Technical Summary
In precast buildings, during the installation of traditional precast columns, the alignment accuracy of the upper and lower precast columns is insufficient, resulting in the stability, safety and aesthetics of the overall building structure being affected.
An adjustment fixture is designed, including the main body, the first adjustment member and the second adjustment member. The steel bars of the lower precast column are hooked by the hook, and combined with the movement of the upper and lower adjustment members, the horizontal position of the upper and lower precast columns is accurately adjusted to ensure alignment accuracy.
It improves the accuracy and construction efficiency of precast column installation, ensures the alignment of upper and lower precast columns, and improves the stability and safety of the building structure.
Smart Images
Figure CN223190079U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an adjusting jig, in particular to an adjusting jig which can be used to adjust the horizontal position of an upper precasting column relative to a lower precasting column. Background Art
[0002] The installation of precast columns in precast buildings requires installing the precast columns on top of the columns below (which can be another precast column or a column cast in situ with concrete and solidified), so the connection between the two must be precise to ensure the complete transfer of structural strength and the flatness of the overall outer surface of the column structure. During the conventional installation of precast columns, deviations may occur between the vertically stacked precast columns due to installation errors. If these deviations are not properly handled, they will affect the stability, safety and aesthetics of the overall building structure. Traditional alignment methods involve the use of a lot of manpower and simple mechanical tools, which is not only time-consuming and inefficient, but also has poor alignment accuracy. Utility Model Content
[0003] To this end, the utility model provides an adjustment jig to solve the above problem, accurately adjust the relative positions between the upper and lower prefabricated columns, and ensure that they can be correctly and smoothly aligned.
[0004] In some embodiments, the present invention provides an adjustment jig, which includes: a main body, a first adjustment member, and a second adjustment member. The main body is generally flat, and a hook portion is provided at its first end. The first adjustment member is provided on the upper surface of the main body, and is configured to be driven to move along the upper surface of the main body, and the first adjustment member has a first abutment plane at the end facing the hook portion of the main body. The second adjustment member is provided on the lower surface of the main body, and is configured to be driven to move along the lower surface of the main body, and the second adjustment member has a second abutment plane at the end facing the hook portion of the main body. Both sides of the first adjustment member each have an abutment portion extending downward from the main body of the first adjustment member to a predetermined distance below the lower surface of the main body.
[0005] In some embodiments, the present invention provides an adjustment jig for adjusting the horizontal position of an upper precast column relative to a lower precast column, wherein the upper surface of the lower precast column has a top portion of a plurality of steel bars protruding therefrom, and the adjustment jig comprises: a hook portion configured to hook the top portion of the steel bars protruding from the upper surface of the lower precast column; a lower adjustment member located at the lower side of the hook portion and configured to move relative to the hook portion to abut against the side surface of the lower precast column; an upper adjustment member located at the upper side of the hook portion and configured to move relative to the hook portion to abut against the side surface of the upper precast column, thereby pushing the upper precast column to move in a horizontal direction; wherein the side surface of the lower precast column is adjacent to the side surface of the upper precast column, and when the upper adjustment member and / or the lower adjustment member are moved to a position where the two are substantially aligned with each other, the lower adjustment member is configured to abut against the side surface of the lower precast column, and the upper adjustment member is configured to abut against the side surface of the lower precast column and the side surface of the upper precast column at the same time.
[0006] In some embodiments, the present invention provides a method for adjusting the horizontal position of an upper precast column relative to a lower precast column, wherein the upper surface of the lower precast column has a plurality of protruding top ends of steel bars, the method comprising: providing an adjustment jig; setting the hook portion of the narrow and long main body of the adjustment jig between the upper precast column and the lower precast column, and hooking the protruding top ends of the steel bars protruding from the upper surface of the lower precast column with the hook portion; moving the second adjustment member of the adjustment jig so that the second abutting plane of the second adjustment member abuts the side surface of the lower precast column; and moving the first adjustment member of the adjustment jig so that the first abutting plane of the first adjustment member abuts the side surface of the upper precast column, and thereby pushing the upper precast column to move in a horizontal direction; wherein, when the upper adjustment member of the adjustment jig is moved to be roughly aligned with the lower adjustment member, the two abutting portions on both sides of the first adjustment member simultaneously abut the side surfaces of the upper precast column and the side surfaces of the lower precast column.
[0007] In some embodiments, the adjustment jig disclosed in the present invention further includes: a first seat portion, which is fixed on the upper surface of the main body and has a through hole with an internal thread; a first screw rod, which passes through the through hole of the first seat portion, wherein the end of the first screw rod is connected to the first adjustment member, and the external thread of the first screw rod cooperates with the internal thread of the through hole of the first seat portion; a second seat portion, which is fixed on the lower surface of the main body and has a through hole with an internal thread; and a second screw rod, which passes through the through hole of the second seat portion, wherein the end of the second screw rod is connected to the second adjustment member, and the external thread of the second screw rod cooperates with the internal thread of the through hole of the second seat portion; wherein, when the first screw rod is rotated, the first adjustment member moves relative to the upper surface of the main body, and wherein, when the second screw rod is rotated, the second adjustment member moves relative to the lower surface of the main body.
[0008] In some embodiments, the adjustment jig disclosed in the present invention is characterized in that: when the first adjustment member and / or the second adjustment member are moved so that the two are roughly aligned with each other, the first abutment plane of the hook portion of the first adjustment member facing the main body and the second abutment plane of the hook portion of the second adjustment member facing the main body are roughly coplanar. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Aspects of the present invention will be more readily understood from the following detailed description, taken in conjunction with the accompanying drawings. It should be noted that, in accordance with standard industry practice, various features are not drawn to scale. In fact, the dimensions of various features may be arbitrarily enlarged or reduced for clarity of illustration.
[0010] Figure 1A It is a three-dimensional schematic diagram of an adjustment fixture according to an embodiment of the present utility model.
[0011] Figure 1B This is another perspective schematic diagram of the adjustment fixture of the above embodiment of the present invention.
[0012] Figure 2 It is a rear view schematic diagram of the adjustment fixture of the above embodiment of the present utility model.
[0013] Figure 3A This is a schematic diagram of an embodiment of a method for adjusting the horizontal position of an upper precast column relative to a lower precast column according to the present invention.
[0014] Figure 3B This is a schematic diagram of the above method embodiment of the utility model Figure 2 .
[0015] Figure 3C This is a third schematic diagram of the above method embodiment of the present utility model.
[0016] Figure 3D Schematic diagram 4 of the above method embodiment of the present invention.
[0017] Figure 3E for Figure 3D A partially enlarged schematic diagram of part A is shown in FIG.
[0018] Figure 3F This is a fifth schematic diagram of an embodiment of the method of the present invention.
[0019] Figure 3G for Figure 3F A partially enlarged schematic diagram of part B is shown in FIG.
[0020] Figure 3H Schematic diagram six of the above method embodiment of the present invention. DETAILED DESCRIPTION
[0021] The above has been a fairly broad overview of the technical features of the present invention so that the detailed description of the present invention below can be better understood. Other technical features that constitute the subject matter of the claims of the present invention will be described below. Those skilled in the art to which the present invention belongs should understand that the concepts and specific embodiments disclosed below can be readily utilized to modify or design other structures or processes to achieve the same purposes as the present invention. Those skilled in the art to which the present invention belongs should also understand that such equivalent constructions cannot depart from the spirit and scope of the present invention as defined by the appended claims.
[0022] The following disclosure provides many different embodiments or examples for implementing the different features of the provided themes. Specific examples of elements and arrangements will be described below to simplify the present invention. Of course, these are merely examples and are not intended to be limiting. For example, in the following description, "a first member is formed above or on a second member" may include embodiments in which the first and second members are in direct contact, and may also include embodiments in which additional members may be formed between the first and second members so that the first and second members may not be in direct contact. In addition, the present invention may repeat element symbols and / or letters in various examples. This repetition is intended to simplify and clarify and does not itself indicate the relationship between the various embodiments and / or configurations discussed.
[0023] Furthermore, for convenience of description, spatially relative terms (e.g., "below," "beneath," "below," "above," "upper," and the like) may be used herein to describe the relationship of one element or component to another element or component, as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may be interpreted accordingly.
[0024] As used herein, terms such as "first," "second," and "third" describe various elements, components, regions, layers, and / or sections, and these elements, components, regions, layers, and / or sections should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or section from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and "third" as used herein do not imply a sequence or order.
[0025] As used herein, the terms "substantially," "approximately," "substantially," and "about" are used to describe and explain small variations. When used in conjunction with an event or condition, the terms may relate to instances in which the event or condition occurred precisely as well as instances in which the event or condition occurred very approximately. For example, when used in conjunction with a numerical value, the terms may relate to a range of variation of less than or equal to ±10% of the numerical value, such as less than or equal to ±5%, less than or equal to ±4%, less than or equal to ±3%, less than or equal to ±2%, less than or equal to ±1%, less than or equal to ±0.5%, less than or equal to ±0.1%, or less than or equal to ±0.05%. For example, if the difference between two numerical values is less than or equal to ±10% of the average of the values (e.g., less than or equal to ±5%, less than or equal to ±4%, less than or equal to ±3%, less than or equal to ±2%, less than or equal to ±1%, less than or equal to ±0.5%, less than or equal to ±0.1%, or less than or equal to ±0.05%), then the values may be considered to be "substantially" the same or equal. For example, "substantially" parallel can involve an angular variation of less than or equal to ±10° relative to 0°, such as less than or equal to ±5°, less than or equal to ±4°, less than or equal to ±3°, less than or equal to ±2°, less than or equal to ±1°, less than or equal to ±0.5°, less than or equal to ±0.1°, or less than or equal to ±0.05°. For example, "substantially" perpendicular can involve an angular variation of less than or equal to ±10° relative to 90°, such as less than or equal to ±5°, less than or equal to ±4°, less than or equal to ±3°, less than or equal to ±2°, less than or equal to ±1°, less than or equal to ±0.5°, less than or equal to ±0.1°, or less than or equal to ±0.05°.
[0026] The utility model relates to an adjustment jig and an application method thereof. In an embodiment of the utility model, the adjustment jig is used to adjust the relative position of upper and lower precast columns in the horizontal direction to ensure that the upper and lower precast columns can be accurately aligned.
[0027] Figure 1A as well as Figure 1B The following are three-dimensional schematic diagrams of an adjustment jig 1 according to an embodiment of the present invention from two different perspectives. The adjustment jig 1 comprises a main body 11, an upper adjustment member 13, and a lower adjustment member 15. The main body 11 is generally flat and elongated so as to be easily placed between upper and lower precast columns stacked vertically on each other. The end of the main body 11 has a hook portion 110, which is configured to hook the vertically arranged column reinforcement of the upper or lower precast column, thereby allowing the adjustment jig 1 to be fixed between the upper and lower precast columns.
[0028] In operation, the upper adjustment member 13 is substantially disposed above the upper surface 111 of the main body 11 and is therefore substantially located above the hook portion 110 of the main body 11. The upper adjustment member 13 is configured to move relative to the main body 11. Figure 1A As shown, the seat 131 is also disposed on the upper surface 111 of the main body 11; the seat 131 on the upper surface 111 of the main body 11 is positioned away from the hook 110. The seat 131 has a through hole 1310, and the inner wall of the through hole 1310 is provided with an internal thread. The screw 133 is disposed through the through hole 1310 of the seat 131, and the external thread of the screw 133 cooperates with the internal thread of the through hole 1310, thereby threading the screw 133 and the seat 131 together. Please refer to Figure 1A The end of the screw rod 133 is connected to the upper adjustment member 13, so when the screw rod 133 is rotated so that the external thread of the screw rod 133 and the internal thread of the through hole 1310 of the seat 131 are engaged with each other and the screw rod 133 is driven to move relative to the seat 131, the upper adjustment member 13 can be driven by the screw rod 133 to move along the upper surface 111 of the main body 11. Figure 1B As shown, the upper adjustment member 13 has a generally flat abutting surface 130 that generally faces the hook portion 110, and the screw 133 generally extends along the length direction of the main body 11 and extends from the upper adjustment member 13 toward or away from the hook portion 110 of the main body 11. Therefore, when the screw 133 is rotated and moved relative to the seat 131, the abutting surface 130 of the upper adjustment member 13 can move along the length direction of the main body 11 toward or away from the hook portion 110.
[0029] See also Figure 1A and Figure 1BThe lower adjustment member 15 is generally disposed below the lower surface 112 of the main body 11, so the lower adjustment member 15 is generally disposed on the lower side of the hook portion 110 of the main body 11, and the lower adjustment member 15 is configured to move relative to the main body 11. In some embodiments of the present invention, the lower adjustment member 15 is generally rectangular. Figure 1B As shown, the seat 151 is disposed on the lower surface 112 of the main body 11; the seat 151 on the lower surface 112 of the main body 11 is positioned away from the hook 110. The seat 151 has a through hole 1510, and the inner wall of the through hole 1510 has an internal thread. The screw 153 is disposed through the through hole 1510 of the seat 151, and the external thread of the screw 153 cooperates with the internal thread of the through hole 1510, thereby threading the screw 153 and the seat 151 together. Figure 1B The end of the screw rod 153 is connected to the lower adjustment member 15, so that when the screw rod 153 is rotated so that the external thread of the screw rod 153 and the internal thread of the through hole 1510 of the seat 151 are matched with each other, when the screw rod 153 is driven to move relative to the seat 151, the lower adjustment member 15 can be driven by the screw rod 153 to move along the lower surface 112 of the main body 11. Figure 1B As shown, the lower adjustment member 15 has a substantially flat abutting surface 150 that substantially faces the hook portion 110, and the screw 153 extends from the lower adjustment member 15 toward the hook portion 110 away from the main body 11. Therefore, when the rotating screw 153 is rotated and moved relative to the seat 151, the abutting surface 150 of the lower adjustment member 15 can move toward or away from the hook portion 110 along the length direction of the main body 11.
[0030] like Figure 1A 、 Figure 1B and Figure 2 As shown, the upper adjustment member 13 has a main body 1301 located on the upper surface 111 of the main body 11 and two extending abutting portions 1302 disposed on two sides of the main body 1301. Figure 2 The two extending abutting portions 1302 extend downward from both sides of the body 1301 to a predetermined distance D below the lower surface 112 of the main body 11. In some embodiments of the present invention, the predetermined distance D is greater than the height of the lower adjustment member 15. Figure 2 As shown, the upper adjustment member 13 is generally in the shape of an inverted U. Therefore, when the adjustment jig 1 is fixed between the vertically stacked upper and lower precast columns to adjust their horizontal offset, the upper adjustment member 13's abutting surface 130 can simultaneously abut the outer surfaces of the upper and lower precast columns through its main body 1301 and two extended abutting portions 1302 disposed on either side of the main body 1301.
[0031] See also Figure 2The lower adjustment member 15 is disposed on the lower surface 112 of the main body 11, and its two sides are roughly surrounded by the extended abutting portions 1302 of the upper adjustment member 13. In some embodiments of the present invention, the lower adjustment member 15 is roughly rectangular, and it can cooperate with the upper adjustment member 13, which is roughly in an upside-down U-shape; in other words, in some embodiments of the present invention, the outer shape of the lower adjustment member 15 can cooperate with the inner shape of the upper adjustment member 13. Because the lower adjustment member 15 is disposed on the lower surface 112 of the main body 11, when the adjustment jig 1 is fixed between the upper and lower precast columns that are vertically stacked and is used to adjust the horizontal offset of the upper and lower precast columns, the abutting plane 150 of the lower adjustment member 15 can abut the outer surface of the lower precast column.
[0032] According to the above, it can be understood that when the adjustment jig 1 is fixed between the upper and lower precast columns that are adjusted to be stacked vertically, the user can move the upper adjustment member 13 along the main body 11 by rotating the screw 133, and can move the lower adjustment member 15 along the main body 11 by rotating the screw 153; and the abutting plane 130 of the upper adjustment member 13 can abut the upper and lower precast columns at the same time, and the abutting plane 150 of the lower adjustment member 15 only abuts the lower precast column. Therefore, when the upper and lower adjustment members 13 and 15 are moved so that the abutting plane 130 of the upper adjustment member 13 and the abutting plane 150 of the lower adjustment member 15 are coplanar with each other, the upper and lower adjustment members 13 and 15 of the adjustment jig 1 eliminate the horizontal offset between the upper and lower precast columns, and make the upper and lower precast columns vertically aligned with each other. Among them, because the abutting plane 130 of the upper adjusting member 13 is coplanar with the abutting plane 150 of the lower adjusting member 15, the abutting plane 130 of the adjusting member 13 can abut the upper and lower precast columns at the same time, thus ensuring that the upper and lower precast columns are vertically aligned with each other.
[0033] Figure 3A 、 Figure 3B 、 Figure 3C 、 Figure 3D 、 Figure 3E 、 Figure 3F 、 Figure 3G It is a schematic diagram of a method for adjusting the horizontal position of an upper precast column relative to a lower precast column.
[0034] like Figure 3A As shown, a lower precast column 2 is provided, wherein the lower precast column 2 has an upper surface 20 and a side surface 23 . The lower precast column 2 has a plurality of column reinforcement bars 21 protruding from the upper surface 20 .
[0035] like Figure 3B As shown, a plurality of adjustment jigs 1 are provided. Each hook portion 110 of the adjustment jig 1 hooks the outer periphery of the steel bar 21 protruding from the upper surface 20 of the lower precast column 2, so that the adjustment jig 1 is fixedly connected to the lower precast column 2. Figure 3BAs shown, during operation, the main body 11 of the adjustment jig 1 extends roughly from the steel bar 21 toward the side surface 23. After the adjustment jig 1 is fixedly connected to the lower precast column 2, the user can rotate the screw 153 of the adjustment jig 1 to move the lower adjustment member 15 so that the abutting plane 150 of the lower adjustment member 15 abuts the surface 23 of the lower precast column 2.
[0036] like Figure 3C As shown, an upper precast column 3 is provided. According to the present invention, after the upper and lower precast columns 2 and 3 are connected, the lower surface of the upper precast column 3 should be vertically stacked on the upper surface 20 of the lower precast column 2, and the upper precast column 3 has a side surface 33 that corresponds to the side surface 23 of the lower precast column 2.
[0037] like Figure 3D As shown, the upper precast column 3 is vertically stacked on the lower precast column 2, and multiple adjustment jigs 1 are arranged between the upper and lower precast columns 2 and 3, wherein the upper adjustment member 13 and the lower adjustment member 15 of the adjustment jig 1 are exposed on the side surface 33 of the upper precast column 3 and the side surface 23 of the lower precast column 2. Because there may be a horizontal deviation between the upper precast column 3 and the lower precast column 2 stacked on top of each other, the distance between the upper adjustment member 13 of the adjustment jig 1 and the side surface 33 of the upper precast column 3 may be different from the distance between the upper adjustment member 13 and the side surface 23 of the lower precast column 2. Figure 3E The lower adjusting member 15 of the adjusting jig 1 abuts against the side surface 23 of the lower precast column 2, while the upper adjusting member 13 of the adjusting jig 1 is still at a deviation distance P from the side surface 33 of the upper precast column 3 and the side surface 23 of the lower precast column 2.
[0038] like Figure 3F As shown, the user can then rotate the screw 133 of the adjustment jig 1 to drive the upper adjustment member 13 to move, and the upper adjustment member 13 can move to abut against the surface 33 of the upper precast column 3 and / or the surface 23 of the lower precast column 2; and when the upper adjustment member 13 abuts against the surface 33 of the upper precast column 3 and / or the surface 23 of the lower precast column 2, the user continues to rotate the screw 133, and the upper adjustment member 13 can then substantially horizontally push the upper precast column 3 and / or the lower precast column 2 (see FIG. Figure 3G When the upper adjustment member 13 is moved so that its abutting plane 130 is coplanar with the abutting plane 150 of the lower adjustment member 15, the side surface 33 of the upper precast column 3 and the side surface 23 of the lower precast column 2 are also substantially coplanar with each other. In this way, the adjustment jig 1 can eliminate the horizontal deviation P between the upper precast column 3 and the lower precast column 2 stacked up, so that the upper precast column 3 and the lower precast column 2 can be aligned with each other, as shown in FIG. Figure 3H shown.
[0039] In particular, the configuration of the upper adjustment member 13 of the adjustment jig 1 of the present invention can not only abut and / or push the upper precast column 3, but also abut and / or push the lower precast column 2; therefore, when the upper adjustment member 13 is moved so that its abutting plane 130 and the abutting plane 150 of the lower adjustment member 15 are coplanar with each other, the upper adjustment member 13 can simultaneously abut the side surface 33 of the upper precast column 3 and the side surface 23 of the lower precast column 2. Therefore, the use of the adjustment jig 1 of the present invention can more effectively align the upper precast column 3 and the lower precast column 2 with each other.
[0040] The adjustment jig of this utility model not only improves the installation accuracy of precast building elements, but also significantly enhances construction efficiency. Furthermore, the design of this jig allows for flexible application in various building environments. It is particularly suitable for large-scale construction projects, such as high-rise buildings or large-scale infrastructure projects, where the precise alignment of precast columns is crucial to the safety and stability of the overall structure.
[0041] The features of several embodiments have been summarized above so that those skilled in the art can better understand the aspects of the present invention. Those skilled in the art will appreciate that they can readily use this invention as a basis for designing or modifying other programs and structures to implement the same purposes and / or achieve the same advantages of the embodiments introduced herein. Those skilled in the art will also appreciate that such equivalent constructions do not depart from the spirit and scope of the present invention, and that they may make various changes, substitutions, and modifications thereto.
[0042] Explanation of symbols
[0043] 1 Adjust the fixture
[0044] 11 Subject
[0045] 110 Hook
[0046] 111 upper surface
[0047] 112 lower surface
[0048] 13 Upper adjustment piece
[0049] 130 plane
[0050] 1301 body
[0051] 1302 Extended top portion
[0052] 131 Seat
[0053] 1310 through hole
[0054] 133 screw
[0055] 15 Lower adjustment piece
[0056] 150 plane
[0057] 151 Seat
[0058] 1510 through hole
[0059] 153 screw
[0060] 2 Lower precast columns
[0061] 20 Upper surface
[0062] 21 column reinforcement
[0063] 23 side surface
[0064] 3 Upper precast columns
[0065] 33 side surface
[0066] D Predetermined distance
[0067] P Deviation distance.
Claims
1. An adjustment jig, characterized in that It includes: A flat, elongated body, wherein a hook portion is provided at a first end of the body; a first adjusting member disposed on the upper surface of the main body and configured to be driven to move along the upper surface of the main body, the first adjusting member having a first abutting surface at an end facing the hook portion of the main body; and a second adjusting member disposed on the lower surface of the main body and configured to be driven to move along the lower surface of the main body, the second adjusting member having a second abutting surface at an end facing the hook portion of the main body; The two sides of the first adjusting member each have an abutting portion extending downward from the body of the first adjusting member to a position lower than the lower surface of the main body by a predetermined distance.
2. The adjustment jig according to claim 1, characterized in that The first adjustment member is configured to move toward and / or away from the hook portion of the main body, and the second adjustment member is configured to move toward and / or away from the hook portion of the main body.
3. The adjustment jig according to claim 1, characterized in that The inner shape of the first adjusting member matches the outer shape of the second adjusting member.
4. The adjustment jig according to claim 1, characterized in that Further including: a first seat portion, which is fixed to the upper surface of the main body and has a through hole with an internal thread; a first screw rod passing through the through hole of the first seat portion, wherein an end portion of the first screw rod is connected to the first adjusting member, and an external thread of the first screw rod is matched with the internal thread of the through hole of the first seat portion; a second seat portion fixed to the lower surface of the main body and having a through hole with an internal thread; and a second screw rod passing through the through hole of the second seat portion, wherein an end portion of the second screw rod is connected to the second adjusting member, and an external thread of the second screw rod is matched with the internal thread of the through hole of the second seat portion; When the first screw is rotated, the first adjusting member moves relative to the upper surface of the main body, and when the second screw is rotated, the second adjusting member moves relative to the lower surface of the main body.
5. The adjustment jig according to claim 1, characterized in that: When the first adjusting member and / or the second adjusting member are moved to align with each other, the first abutting plane of the hook portion of the first adjusting member facing the main body is coplanar with the second abutting plane of the hook portion of the second adjusting member facing the main body.
6. The adjustment jig according to claim 5, characterized in that: When the first adjusting member and / or the second adjusting member are moved to be aligned with each other, the abutting portion of the first adjusting member abuts against two inner edges of the second adjusting member.
7. The adjustment jig according to claim 3, characterized in that The lower adjusting piece is rectangular, and the upper adjusting piece is in an inverted U shape.
8. An adjustment jig, characterized in that It is used to adjust the horizontal position of the upper precast column relative to the lower precast column. The upper surface of the lower precast column has a plurality of protruding steel bars. The adjustment jig includes: a hook portion configured to hook a top portion of a steel bar protruding from the upper surface of the lower precast column; a lower adjustment member located at a lower side of the hook portion and configured to move relative to the hook portion to abut against a side surface of the lower precast column; an upper adjusting member located on an upper side of the hook portion and configured to move relative to the hook portion to abut against a side surface of the upper precast column and thereby push the upper precast column to move in a horizontal direction; The side surface of the lower precast column is adjacent to the side surface of the upper precast column, and when the upper adjustment member and / or the lower adjustment member are moved to align with each other, the lower adjustment member is configured to abut the side surface of the lower precast column, and the upper adjustment member is configured to abut the side surface of the lower precast column and the side surface of the upper precast column at the same time.