Mechanical connection method and mechanical connection device for modular steel bar components
By using steel bar mechanical connection parts with inner joints, top rods, inner stop sleeves and outer U sleeves, the deviation and stability problems in the connection conditions of modular steel bar parts are solved, and efficient and accurate steel bar connections are achieved, which improves the Construction quality and efficiency.
Patent Information
- Application Number
- CN202411542494.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2024-12-06
AI Technical Summary
The traditional straight thread connection method cannot adapt to the connection conditions of modular reinforcement parts at the construction site, resulting in a deviation in length of longitudinal connection reinforcement, axial misalignment and instability, affecting the construction speed and quality.
The steel bar mechanical connection parts including inner joints, top rods, inner stop sleeves and outer U sleeves are adjusted and corrected through threaded connections and guide shafts to ensure the coaxiality and fixity of the connecting steel bars, and positioning and assembly with tied wires and temporary fixation to achieve accurate docking and firm connection of steel bars.
It improves the connection accuracy and construction efficiency of modular reinforced bar parts, ensures that the bearing capacity and deformation performance of the joints meet the design requirements, and reduces the construction cost and the use time of lifting machinery.
Smart Images
Figure CN119083662A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a mechanical connection method and a mechanical connection device for modular steel bar components. Background Art
[0002] At present, the connection of coarse steel bars in concrete structures mainly adopts mechanical connection, and the straight thread connection of steel bars is the most widely used method. In the past, the straight thread connection of steel bars was to connect the steel bars one by one, and then tie the stirrups and tension bars. A large number of steel bar connection and tying operations affected the speed of engineering construction. In the past decade, my country has vigorously developed new building industrialization. In buildings with high standardization and large repetition, such as urban residential buildings and municipal bridges, prefabricated concrete structures have been mainly developed, which have achieved good results in improving construction speed, construction quality, energy saving and consumption reduction. In recent years, the new direction of the industrial development of concrete structures is the componentization and modularization of steel bars. It prefabricates the steel skeleton at the construction site, hoists it to the installation site for connection, and then assembles the formwork and pours concrete. This componentization and modularization process of steel bars can effectively improve the on-site construction time of large concrete structures. Professional steel bar processing equipment, tooling systems, and factory management effectively ensure the accuracy and quality of modular steel bar component production. However, traditional straight thread connection products can no longer adapt to the connection conditions of modular steel bar components at construction sites. The biggest characteristics of the mechanical connection of modular steel bar components are: there are deviations in the lengths of different longitudinal connecting steel bars. After the longitudinal steel bars are tied and fixed with the transverse steel stirrups, the ends of the longitudinal connecting steel bars cannot be completely in the same plane. When the overall connection is made, it is impossible to ensure that the longitudinal connecting steel bars are all aligned with each other. There is a certain axial gap between most of the steel bar ends; the connecting steel bars at both ends are relatively fixed, and not only cannot rotate, but also cannot move axially; the longitudinal connecting steel bars of modular steel bar components will have position deviations during the prefabrication, hoisting and connection processes, especially when they are relatively static during hoisting, the modular steel bar components as a whole will also produce certain deformations, resulting in the steel bars to be connected cannot be completely aligned, and the axes of the longitudinal connecting steel bars at both ends cannot coincide. Summary of the invention
[0003] The present invention provides a mechanical connection method and a mechanical connection device for modular steel bar components, which improves construction efficiency. The coaxiality of the first connecting steel bar and the second connecting steel bar connected thereto reaches an optimal level. The joint performance is better due to the improved coaxial accuracy of the steel bars, ensuring that the bearing capacity and deformation performance of the joint meet the design and acceptance requirements, thereby improving the construction quality of the joint.
[0004] In order to achieve the above object, the technical solution adopted by the present invention is:
[0005] A method for mechanically connecting modular steel bar components, characterized in that it comprises the following steps:
[0006] Step 1, the modular steel bar component includes a first longitudinal connecting steel bar and a transverse connecting steel bar, the second longitudinal connecting steel bar to be connected to the modular steel bar component is a fixed steel bar, the second longitudinal connecting steel bars are also connected to each other by the transverse connecting steel bars, the bottom end of the first longitudinal connecting steel bar is processed into a first straight thread steel bar wire head, the top end of the second longitudinal connecting steel bar is processed into a second straight thread steel bar wire head, and the first straight thread steel bar wire head and the second straight thread steel bar wire head are connected and fixed by a steel bar mechanical connector;
[0007] Step 2: The first longitudinal connecting steel bars and the transverse connecting steel bars of the modular steel bar component are positioned, assembled and fixed by tying wires, and the second longitudinal connecting steel bars to be connected are also tied and fixed by the tying wires and the transverse connecting steel bars, and the tying wires include first tying wires and second tying wires, wherein the first tying wires are fixed, and the second tying wires are temporarily fixed, and the temporarily fixed transverse connecting steel bars can be tied to a part or all of the first longitudinal connecting steel bars or the second longitudinal connecting steel bars by the second tying wires;
[0008] Step 3, the steel bar connector includes an inner sleeve, a push rod, an inner stop sleeve and an outer U sleeve, the outer U sleeve is pre-sleeved on the inner stop sleeve, the inner stop sleeve is fixed to the first straight threaded steel bar wire head by threads, and is tightened and fixed according to a specified tightening torque, the push rod is arranged in the inner sleeve, and is connected with the inner sleeve by threads, the inner sleeve is fixed to the second straight threaded steel bar wire head by threads, and is tightened and fixed according to a specified tightening torque, and the connecting rod of the push rod is withdrawn into the inner sleeve; the inner stop sleeve pre-sleeved with the outer U sleeve can also be connected and fixed to the second straight threaded steel bar wire head by threads according to a specified tightening torque, and the inner sleeve is connected and fixed to the first straight threaded steel bar wire head by threads according to a specified tightening torque;
[0009] Step 4, move the assembled and fixed modular steel bar component to the installation station, that is, above the position of the steel bar skeleton composed of the fixed second longitudinal connecting steel bar and the transverse connecting steel bar, loosen the second binding wire of the temporarily fixed transverse connecting steel bar near the connection end, and move the transverse connecting steel bar to both ends respectively to leave a final fixed position, align the first longitudinal connecting steel bar of the modular steel bar component with the fixed second longitudinal connecting steel bar one by one, and adjust the longitudinal position of the modular steel bar component so that the distance between the end face of the inner stop sleeve and the end of the push rod is within the specified range;
[0010] Step 5, twist the push rod, and the push rod is pushed by the thread of the connecting rod in the inner sleeve, so that the push rod moves toward the inner sleeve until the guide shaft of the push rod is inserted into the small diameter center hole of the inner sleeve, and the support plate of the push rod is pressed against the end face of the inner sleeve, so that the inner sleeve is coaxial with the inner sleeve; when the eccentricity between the push rod and the axis of the inner sleeve is large, the axis of the first longitudinal connecting steel bar and the second longitudinal connecting steel bar on the outside of the steel bar connector can be adjusted and corrected, until the guide shaft can be inserted into the small diameter center hole by rotating the push rod, and the support plate is pressed against the end face of the inner sleeve;
[0011] Step 6, move the outer U sleeve toward the inner sleeve, connect the inner thread of the outer U sleeve with the outer thread of the inner sleeve, twist the outer U sleeve, the annular inner boss of the outer U sleeve is guided by the coaxial outer cone and sleeved on the outer diameter of the inlet end of the inner stopper sleeve, until the inner side surface of the annular inner boss of the outer U sleeve and the inner side surface of the annular outer boss of the inner stopper sleeve are pressed against each other, the outer U sleeve and the inner sleeve are tightened by thread connection, the tightening torque reaches the specified value, and repeat the above actions to connect and fix the remaining steel bar connectors respectively, and at the same time, the steel bar connectors are inspected for appearance quality and tightening torque as required;
[0012] Step 7, after the connection quality inspection of the steel bar connector is completed, the transverse connecting steel bars temporarily removed from the fixed steel bar skeleton of the modular steel bar component and its connection part are moved to the final fixed position, and the first longitudinal connecting steel bars, the second longitudinal connecting steel bars and the steel bar connector are respectively positioned, assembled and fixed to the transverse connecting steel bars with the first binding wire. At this point, the connection between the modular steel bar component and the steel bar skeleton fixed to the work station is completed.
[0013] A modular mechanical connection device for steel bar parts, characterized in that: the steel bar mechanical connection piece comprises an inner sleeve, a push rod, an inner stop sleeve and an outer U sleeve;
[0014] The inner hole of the inner sleeve is stepped, and the inner hole of the large diameter and the inner hole of the small diameter are respectively provided with threads, wherein a limiting shoulder is formed at the junction of the inner hole of the large diameter and the inner hole of the small diameter, and the inner hole of the large diameter is used for the first straight thread steel wire head or the second straight thread steel wire head to be inserted, connected and tightened, and the outer wall of the inner hole end of the small diameter is provided with a thread connected to the outer U sleeve;
[0015] The push rod is provided with a connecting rod, one end of which is provided with an external thread and is inserted into the small-diameter inner hole of the inner sleeve and connected to the inner sleeve by threads, and the other end of the connecting rod is provided with a supporting plate, and a guide shaft and a guiding cone surface are provided on the supporting plate;
[0016] The inner hole of the inner stop sleeve is also stepped, wherein a thread is arranged on the inner wall of the inner hole of the large diameter, and a limiting shoulder is arranged at the bottom of the hole for the second straight thread steel wire head or the first straight thread steel wire head to be inserted, connected and tightened, and a coaxial outer cone is arranged on the outer diameter of the inlet end, and the other end of the inner stop sleeve is a small diameter center hole coaxial with the inner hole of the large diameter, and the diameter of the small diameter center hole is the same as the diameter of the guide shaft of the push rod, for the guide shaft to be inserted to form a clearance fit connection, and an annular outer boss is arranged on the outer wall of the small diameter center hole end;
[0017] The outer U sleeve is sleeved on the inner stop sleeve, the inner wall of the outer U sleeve is provided with threads, the outer U sleeve is fixedly connected to the inner sleeve through the threads, and the other end of the outer U sleeve is provided with an annular inner boss, the inner side surface of the annular inner boss and the inner side surface of the annular outer boss of the inner stop sleeve are pressed against each other.
[0018] The beneficial effects of the present invention are as follows: the method temporarily moves the adjacent parts of the transverse connecting steel bars on both sides of the joint, reduces the difficulty of adjusting the radial deviation of the connecting steel bars of the modular steel bar parts, and the connected steel bar connectors can be completed by manual tools. All processes can be manually operated by operators, and the construction is not affected by the weather. When installing each modular steel bar component, multiple work teams can be used to simultaneously connect multiple joints, which greatly shortens the time that the modular steel bar components occupy the lifting machinery, improves the construction efficiency of the steel bar component installation and connection, improves the use efficiency of the lifting machinery, and reduces the construction cost of the structural engineering; the steel bar connector is provided with a guide bevel, and the top rod of the guide shaft provides guiding, coaxial correction and connection functions. The top rod also eliminates the axial gap between the fixed connecting parts by threaded connection and support plate tightening, so that the coaxiality of the first connecting steel bar and the second connecting steel bar connected by it is optimal, and the outer U sleeve and the inner sleeve single-sided thread are quickly connected. The annular boss of the outer U sleeve and the inner stop sleeve are tightly connected, which ensures that the bearing capacity of the joint meets the design requirements, and also ensures that the deformation performance of the joint meets the acceptance regulations, thereby improving the construction quality of the joint. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a structural diagram of modular reinforcement components.
[0020] Figure 2 This is the structural diagram of the steel bar mechanical connector in the separated state.
[0021] Figure 3 This is a structural diagram of the steel bar mechanical connector being installed on the connecting steel bars.
[0022] Figure 4 This is a structural diagram after the steel bar mechanical connectors are in contact with each other and coaxial.
[0023] Figure 5This is a structural diagram after the steel bar mechanical connectors are tightly connected and fixed to each other.
[0024] Figure 6 This is the structural diagram after the modular steel bar components are connected.
[0025] Figure 7 This is the structural diagram after the steel bar mechanical connectors are connected.
[0026] Explanation of the reference numerals: 1-the second longitudinal connecting steel bar; 11-the second straight threaded steel bar head; 2-steel bar mechanical connector; 21-inner sleeve; 210-limiting shoulder; 22-top rod; 220-connecting rod; 221-guide shaft; 222-support plate; 223-guide cone; 23-inner stop sleeve; 230-small diameter center hole; 231-coaxial outer cone; 232-limiting shoulder; 24-outer U sleeve; 6-the first longitudinal connecting steel bar; 61-the first straight threaded steel bar head; 7-final fixing position; 8-transverse connecting steel bar; 9-the first binding wire; 10-the second binding wire. DETAILED DESCRIPTION
[0027] like Figures 1 to 7 The modular mechanical connection device of steel bar components is characterized in that the steel bar mechanical connection piece 2 includes an inner sleeve 21, a push rod 22, an inner stop sleeve 23 and an outer U sleeve 24.
[0028] The inner hole of the inner sleeve 21 is stepped, and the large-diameter inner hole and the small-diameter inner hole are respectively provided with threads, wherein a limiting shoulder 210 is formed at the junction of the large-diameter inner hole and the small-diameter inner hole, and the large-diameter inner hole is used for inserting, connecting and tightening the first straight-threaded steel wire head 61 or the second straight-threaded steel wire head 11, and the outer wall of the small-diameter inner hole end is provided with a thread connected to the outer U sleeve 24.
[0029] The push rod 22 is provided with a connecting rod 220, one end of which is provided with an external thread and is inserted into the small-diameter inner hole of the internal sleeve 21, and is connected to the internal sleeve 21 by threads. The other end of the connecting rod 220 is provided with a supporting plate 222, and the supporting plate 222 is provided with a guide shaft 221 and a guiding cone surface 223.
[0030] The inner hole of the inner stop sleeve 23 is also stepped, wherein a thread is arranged on the inner wall of the inner hole of the large diameter, and a limiting shoulder 232 is arranged at the bottom of the hole for the second straight threaded steel wire head 11 or the first straight threaded steel wire head 61 to be inserted, connected and tightened, and a coaxial outer cone 231 is arranged on the outer diameter of the entrance end, and the other end of the inner stop sleeve 23 is a small diameter center hole 230 coaxial with the large diameter inner hole, and the diameter of the small diameter center hole 230 is the same as the diameter of the guide shaft 221 of the push rod 22, for the guide shaft 221 to be inserted to form a clearance fit connection, and an annular outer boss is arranged on the outer wall of the end of the small diameter center hole 230.
[0031] The outer U sleeve 24 is sleeved on the inner stop sleeve 23, and the inner wall of the outer U sleeve 24 is provided with threads. The outer U sleeve 24 is fixedly connected to the inner sleeve 21 through threads, and an annular inner boss is provided at the other end of the outer U sleeve 24, and the inner side surface of the annular inner boss is pressed against the inner side surface of the annular outer boss of the inner stop sleeve 23.
[0032] A method for mechanically connecting modular steel bar components, characterized in that it comprises the following steps:
[0033] Step 1, the modular steel bar component includes a first longitudinal connecting steel bar 6 and a transverse connecting steel bar 8, the second longitudinal connecting steel bar 1 to be connected to the modular steel bar component is a fixed steel bar, the second longitudinal connecting steel bars 1 are also connected to the transverse connecting steel bars 8, the bottom end of the first longitudinal connecting steel bar 6 is processed into a first straight thread steel bar wire head 61, and the top end of the second longitudinal connecting steel bar 1 is processed into a second straight thread steel bar wire head 11, and the first straight thread steel bar wire head 61 and the second straight thread steel bar wire head 11 are connected and fixed by the steel bar mechanical connector 2;
[0034] Step 2, the first longitudinal connecting steel bar 6 and the transverse connecting steel bar 8 of the modular steel bar component are positioned, assembled and fixed by tying wires, and the second longitudinal connecting steel bar 1 to be connected has also been tied and fixed to the transverse connecting steel bar 8 by the tying wires, and the tying wires include a first tying wire 9 and a second tying wire 10, wherein the first tying wire 9 is fixed, and the second tying wire 10 is temporarily fixed, and the temporarily fixed transverse connecting steel bar 8 can be tied to a part or all of the first longitudinal connecting steel bars 6 or the second longitudinal connecting steel bars 1 by the second tying wire 10;
[0035] Step 3, the steel bar connector 2 includes an inner sleeve 21, a push rod 22, an inner stop sleeve 23 and an outer U sleeve 24, the outer U sleeve 24 is pre-sleeved on the inner stop sleeve 23, the inner stop sleeve 23 is fixed to the first straight threaded steel bar wire head 61 by threads, and is tightened and fixed according to a specified tightening torque, the push rod 22 is arranged in the inner sleeve 21, and is connected with the inner sleeve 21 by threads, the inner sleeve 21 is fixed to the second straight threaded steel bar wire head 11 by threads, and is tightened and fixed according to a specified tightening torque, and the connecting rod 220 of the push rod 22 is withdrawn into the inner sleeve 21; the inner stop sleeve 23 with the outer U sleeve 24 pre-sleeved can also be connected and fixed to the second straight threaded steel bar wire head 11 by threads according to a specified tightening torque, and the inner sleeve 21 is connected and fixed to the first straight threaded steel bar wire head 61 by threads according to a specified tightening torque;
[0036] Step 4, move the assembled and fixed modular steel bar component to the installation station, that is, above the position of the steel bar skeleton composed of the fixed second longitudinal connecting steel bar 1 and the transverse connecting steel bar 8, loosen the second binding wire 10 of the temporarily fixed transverse connecting steel bar 8 near the connection end, and then move the transverse connecting steel bar 8 to both ends to leave the final fixed position 7, align the first longitudinal connecting steel bar 6 of the modular steel bar component with the fixed second longitudinal connecting steel bar 1 one by one, and adjust the longitudinal position of the modular steel bar component so that the distance between the end face of the inner stop sleeve 23 and the end of the push rod 22 is within the specified range;
[0037] Step 5, twist the push rod 22, and the push rod 22 is pushed by the thread in the inner sleeve 21 by the connecting rod 220, so that the push rod 22 moves toward the inner sleeve 23 until the guide shaft 221 of the push rod 22 is inserted into the small diameter center hole 230 of the inner sleeve 23, and the support plate 222 of the push rod 22 is pressed against the end face of the inner sleeve 23, so that the inner sleeve 21 and the inner sleeve 23 are coaxial; when the axis of the push rod 22 and the inner sleeve 23 are largely eccentric, the axis of the first longitudinal connecting steel bar 6 and the second longitudinal connecting steel bar 1 on the outside of the steel bar connector 2 can be adjusted and corrected, until the guide shaft 221 can be inserted into the small diameter center hole 230 by rotating the push rod 22, and the support plate 222 is pressed against the end face of the inner sleeve 23;
[0038] Step 6, move the outer U sleeve 24 toward the inner sleeve 21, connect the inner thread of the outer U sleeve 24 with the outer thread of the inner sleeve 21, twist the outer U sleeve 24, the annular inner boss of the outer U sleeve 24 is guided by the coaxial outer cone 231 and sleeved on the outer diameter of the inlet end of the inner stop sleeve 23, until the inner side surface of the annular inner boss of the outer U sleeve 24 and the inner side surface of the annular outer boss of the inner stop sleeve 23 are pressed against each other, the outer U sleeve 24 and the inner sleeve 21 are tightened by threaded connection, the tightening torque reaches the specified value, and repeat the above actions to connect and fix the remaining steel bar connectors 2 respectively, and at the same time, the steel bar connectors 2 are inspected for appearance quality and tightening torque as required;
[0039] Step 7, after the connection quality inspection of the steel bar connector 2 is completed, the transverse connecting steel bar (8) temporarily removed from the fixed steel bar skeleton of the modular steel bar component and its connection part is moved to the final fixed position 7, and the first longitudinal connecting steel bar 6, the second longitudinal connecting steel bar 1 and the steel bar connector 2 are respectively positioned, assembled and fixed with the transverse connecting steel bar 8 by the first binding wire 9. At this point, the modular steel bar component is connected to the steel bar skeleton fixed at the work station.
[0040] The above description is only illustrative rather than restrictive of the present invention. Those skilled in the art will understand that many modifications, changes or equivalents may be made without departing from the spirit and scope defined by the claims, but all will fall within the scope of protection of the present invention.
Claims
1. A method for mechanically connecting modular steel bar components, characterized in that: The following steps are involved: Step 1, the modular steel bar component comprises a first longitudinal connecting steel bar (6) and a transverse connecting steel bar (8), the second longitudinal connecting steel bar (1) to be connected to the modular steel bar component is a fixed steel bar, the second longitudinal connecting steel bars (1) are also connected by the transverse connecting steel bars (8), the bottom end of the first longitudinal connecting steel bar (6) is processed into a first straight thread steel bar thread head (61), and the top end of the second longitudinal connecting steel bar (1) is processed into a second straight thread steel bar thread head (11), and the first straight thread steel bar thread head (61) and the second straight thread steel bar thread head (11) are connected and fixed by the steel bar mechanical connector (2); Step 2: The first longitudinal connecting steel bar (6) and the transverse connecting steel bar (8) of the modular steel bar component are positioned, assembled and fixed by tying wires, and the second longitudinal connecting steel bar (1) to be connected has also been tied and fixed to the transverse connecting steel bar (8) by the tying wires, and the tying wires include first tying wires (9) and second tying wires (10), wherein the first tying wires (9) are fixed, and the second tying wires (10) are temporarily fixed, and the temporarily fixed transverse connecting steel bar (8) can be tied to a part or all of the first longitudinal connecting steel bars (6) or the second longitudinal connecting steel bars (1) by the second tying wires (10); Step 3, the steel bar connector (2) comprises an inner sleeve (21), a push rod (22), an inner stop sleeve (23) and an outer U sleeve (24), wherein the outer U sleeve (24) is pre-mounted on the inner stop sleeve (23), the inner stop sleeve (23) is fixed to the first straight thread steel bar head (61) by means of threads, and is tightened and fixed according to a prescribed tightening torque, the push rod (22) is arranged in the inner sleeve (21), and is connected to the inner sleeve (21) by means of threads, and the inner sleeve (21) is fixed to the first straight thread steel bar head (61) by means of threads. The threaded part is fixed on the second straight threaded steel wire head (11) and is tightened and fixed according to a specified tightening torque, and the connecting rod (220) of the push rod (22) is retracted into the inner sleeve (21); the inner stop sleeve (23) pre-covered with the outer U sleeve (24) can also be connected and fixed to the second straight threaded steel wire head (11) by threading according to a specified tightening torque, and the inner sleeve (21) is connected and fixed to the first straight threaded steel wire head (61) by threading according to a specified tightening torque; Step 4, move the assembled and fixed modular steel bar component to the installation station, that is, above the position of the steel bar skeleton composed of the fixed second longitudinal connecting steel bar (1) and the transverse connecting steel bar (8), loosen the second binding wire (10) of the temporarily fixed transverse connecting steel bar (8) near the connection end, and then move the transverse connecting steel bar (8) to both ends to leave a final fixed position (7), align the first longitudinal connecting steel bar (6) of the modular steel bar component with the fixed second longitudinal connecting steel bar (1) one by one, and adjust the longitudinal position of the modular steel bar component so that the distance between the end face of the inner stopper (23) and the end of the push rod (22) is within a specified range; Step 5: The push rod (22) is turned, and the push rod (22) is pushed by the thread of the connecting rod (220) in the inner sleeve (21), so that the push rod (22) moves toward the inner stop sleeve (23) until the guide shaft (221) of the push rod (22) is inserted into the small diameter center hole (230) of the inner stop sleeve (23), and the support plate (222) of the push rod (22) is pressed against the end surface of the inner stop sleeve (23), so that the inner sleeve (21) and the inner stop sleeve (23) are aligned. The inner stop sleeve (23) is coaxial; when the eccentricity between the push rod (22) and the axis of the inner stop sleeve (23) is large, the axes of the first longitudinal connecting steel bar (6) and the second longitudinal connecting steel bar (1) outside the steel bar connector (2) can be adjusted and corrected until the push rod (22) is rotated to allow the guide shaft (221) to be inserted into the small diameter center hole (230), and the support plate (222) is pressed against the end surface of the inner stop sleeve (23); Step 6, move the outer U sleeve (24) toward the inner sleeve (21) so that the inner thread of the outer U sleeve (24) is connected with the outer thread of the inner sleeve (21), and the outer U sleeve (24) is screwed, and the annular inner boss of the outer U sleeve (24) is guided by the coaxial outer cone (231) and sleeved on the outer diameter of the inlet end of the inner stop sleeve (23), until the inner side surface of the annular inner boss of the outer U sleeve (24) and the inner side surface of the annular outer boss of the inner stop sleeve (23) are pressed against each other, and the outer U sleeve (24) and the inner sleeve (21) are tightened by thread connection until the tightening torque reaches a specified value, and repeat the above steps to connect and fix the remaining steel bar connectors (2) respectively, and at the same time, the steel bar connectors (2) are inspected for appearance quality and tightening torque according to regulations; Step 7, after the connection quality inspection of the steel bar connector (2) is completed, the transverse connecting steel bar (8) temporarily removed from the fixed steel bar skeleton of the modular steel bar component and its connection position is moved to the final fixed position (7), and the first longitudinal connecting steel bar (6), the second longitudinal connecting steel bar (1) and the steel bar connector (2) are respectively positioned, assembled and fixed with the transverse connecting steel bar (8) using the first binding wire (9). At this point, the modular steel bar component is connected to the steel bar skeleton fixed at the work station.
2. A mechanical connection device for modular steel bar components, characterized in that: The steel bar mechanical connector (2) comprises an inner connecting sleeve (21), a top rod (22), an inner stop sleeve (23) and an outer U sleeve (24); The inner hole of the inner sleeve (21) is stepped, and the inner hole with a large diameter and the inner hole with a small diameter are respectively provided with threads, wherein a limiting shoulder (210) is formed at the junction of the inner hole with a large diameter and the inner hole with a small diameter, and the inner hole with a large diameter is used for inserting a first straight thread steel wire head (61) or a second straight thread steel wire head (11) for connection and tightening, and the outer wall of the inner hole end with a small diameter is provided with threads connected to the outer U sleeve (24); The push rod (22) is provided with a connecting rod (220), one end of the connecting rod (220) is provided with an external thread and is inserted into the small-diameter inner hole of the inner sleeve (21) and is connected to the inner sleeve (21) via a thread, and the other end of the connecting rod (220) is provided with a supporting plate (222), and the supporting plate (222) is provided with a guide shaft (221) and a guiding cone surface (223); The inner hole of the inner stopper sleeve (23) is also stepped, wherein a thread is arranged on the inner wall of the inner hole with a large diameter, and a limiting shoulder (232) is arranged at the bottom of the hole for the second straight threaded steel wire head (11) or the first straight threaded steel wire head (61) to be inserted, connected and tightened, and a coaxial outer cone (231) is arranged on the outer diameter of the entrance end, and the other end of the inner stopper sleeve (23) is a small diameter center hole (230) coaxial with the inner hole with a large diameter, and the diameter of the small diameter center hole (230) is the same as the diameter of the guide shaft (221) of the push rod (22), and the guide shaft (221) is inserted to form a clearance fit connection, and an annular outer boss is arranged on the outer wall of the end of the small diameter center hole (230); The outer U sleeve (24) is sleeved on the inner stop sleeve (23); a thread is provided on the inner wall of the outer U sleeve (24); the outer U sleeve (24) is fixedly connected to the inner sleeve (21) via the thread; an annular inner boss is provided at the other end of the outer U sleeve (24); the inner side surface of the annular inner boss and the inner side surface of the annular outer boss of the inner stop sleeve (23) are pressed against each other.