Auxiliary assembly device and construction method for through-type steel truss beams

Abstract

The present application relates to an auxiliary assembly device and construction method for a bottom-supported steel truss bridge, and relates to the technical field of steel truss assembly, including a machine base, a positioning assembly, and a conveying mechanism. The conveying mechanism includes: a moving seat, which is slidably arranged on the machine base; a driving assembly, which is arranged on the machine base and is used to drive the moving seat to move; a lifting seat, which is slidably arranged on the moving seat; a clamping assembly, which is arranged on the lifting seat and is used to clamp the steel truss member; and a lifting assembly, which is used to drive the lifting seat to move. The present application places the steel truss member on the lifting seat, and the clamping assembly clamps and positions the steel truss member, and then the driving assembly is started to drive the steel truss member to move; then the steel truss member is placed and conveyed, so that two steel truss members are fixed together, and then the driving assembly is started to drive the steel truss member to move, thereby completing the splicing of multiple steel truss members, thereby improving the construction quality and construction efficiency of the steel truss.

Description

Technical Field

[0001] The present application relates to the technical field of steel truss assembly, and in particular to an auxiliary assembly device and construction method for bottom-supported steel truss beams. Background Art

[0002] The bottom-supported steel truss beam has the advantages of low beam height, light weight, large load-bearing capacity, smooth and comfortable travel, and short construction period. It is widely used in the bridge field. The bridge that uses the bottom-supported steel truss as the load-bearing structure has a rectangular frame structure.

[0003] The steel truss beam is made up of multiple steel truss components. During the construction of the steel truss beam, temporary supports are first installed on the roadbed on both sides of the river, and then multiple steel truss components are installed and spliced ​​on the upper surface of the temporary supports. At the same time, the temporary supports are arranged in two rows at intervals and work together to support the steel truss components. However, the installation and transportation of the steel truss components are carried out by crane, so that the position during the assembly process cannot be accurately positioned. The error in the splicing process of the steel truss components is too large, and the transportation process is not stable enough, which reduces the construction quality of the steel truss beam. At the same time, the transportation and splicing are carried out by crane, which results in a long time spent on the splicing and transportation process, thereby reducing the construction efficiency of the steel truss beam. Summary of the Invention

[0004] In order to improve the construction quality and efficiency of steel truss beams, the present application provides a bottom-supported steel truss beam auxiliary assembly device and a construction method.

[0005] In the first aspect, the auxiliary assembly device for through-type steel truss beams provided in this application adopts the following technical solutions:

[0006] The auxiliary assembly device for a through-type steel truss beam comprises a machine base located on a roadbed between two temporary supports, a positioning assembly provided on the machine base and plugged into the two temporary supports for positioning, and a conveying mechanism provided on the machine base for conveying steel truss members, the conveying mechanism comprising:

[0007] A movable seat, the movable seat being slidably arranged on the machine base along the splicing direction of the steel truss members;

[0008] A driving assembly, the driving assembly being arranged on the machine base and being used to drive the movable base to move alone or together with the machine base;

[0009] A lifting seat, which slides up and down on the moving seat and cooperates with the temporary support to place the steel truss members;

[0010] A clamping assembly, which is arranged on the lifting seat and is used to clamp and position two adjacent steel truss members;

[0011] The lifting assembly is arranged on the machine base and is used to drive the lifting base to move.

[0012] By adopting the above technical solution, the driving assembly starts to drive the movable base and the machine base to move together, so that the entire structure is moved between the temporary supports. At the same time, the positioning assembly starts to be inserted and installed on the two temporary supports for positioning. At this time, the entire structure is located at the starting point of the splicing of the steel truss members; the lifting assembly starts to drive the lifting seat to move flush with the upper surfaces of the two temporary supports, and then the steel truss member is placed on the lifting seat and the two temporary supports. Then, the clamping assembly starts to clamp and position the steel truss member. Then, the driving assembly starts to drive the movable base to move alone, so that the movable base and the steel truss member move together, thereby realizing the transportation of the steel truss member.

[0013] Then the clamping assembly starts to release the clamping of the steel truss member, the lifting seat starts to drive the clamping assembly to move under the steel truss member, and then the driving assembly starts to drive the moving seat back to the starting point of the steel truss member splicing, and then the lifting assembly starts to drive the lifting seat to move upward, and then continue to place the steel truss member, and then the clamping assembly is used to clamp the two adjacent steel truss members, so that the two steel truss members are spliced ​​together. At the same time, the staff can fix the two steel truss members, and then the driving assembly continues to start to drive the two steel truss members to move at the same time, and then repeat to complete the splicing, fixation and transportation of multiple steel truss members, thereby improving the construction quality and efficiency of the steel truss.

[0014] After the last steel truss member is placed, the lifting seat supports the last two steel truss members, and the clamping assembly is used to clamp and position the two steel truss members, and then continues to fix the last two steel truss members. Then, when the temporary support needs to be removed, the positioning assembly starts and disengages from the two temporary supports, and the lifting seat supports the steel truss member, and then construction can form a permanent support. Then the lifting assembly starts to drive the lifting seat downward, so that the clamping assembly moves to the bottom of the steel truss member, and finally the driving assembly starts to drive the moving seat and the machine base to move to the outside of the steel truss member, thereby further improving the construction efficiency of the steel truss.

[0015] Optionally, at least two positioning assemblies are provided and connected to two temporary supports, and the positioning assemblies include:

[0016] A positioning oil cylinder, wherein the positioning oil cylinder is arranged on the machine base;

[0017] A positioning plate, which is arranged on the piston rod of the positioning cylinder and abuts against the temporary support for positioning;

[0018] The plug-in rod is arranged on the positioning plate and plugged into the temporary support for positioning.

[0019] By adopting the above technical solution, the movement of the machine base drives the two positioning plates to rest against the two temporary supports for positioning, so that the entire structure is moved into place, and then the positioning cylinder is started to drive the connecting rod and the positioning plate to move, and the two positioning plates are pressed against the side walls on the opposite side of the two temporary supports for positioning, and the two connecting rods are plugged into and installed on the two temporary supports for positioning, thereby realizing the positioning of the entire structure.

[0020] Optionally, the clamping assemblies are arranged in two groups at intervals and are arranged corresponding to two adjacent steel truss members, each group of the clamping assemblies is provided with four and are respectively located on the four sides of the steel truss member and on the inner side of the steel truss member, and a limiting groove is provided on the lifting seat and at each clamping assembly, and the clamping assembly includes:

[0021] A clamping block, wherein the clamping block is arranged on the limiting groove in an inclined and sliding manner;

[0022] A pressing block, the pressing block being arranged on the clamping block;

[0023] The clamping spring is arranged on the pressing block and connected to the limit groove, so that before the steel truss member is placed on the lifting seat, the upper surface of the pressing block extends above the lifting seat; when the steel truss member is placed on the lifting seat, the pressing block is pushed downward, so that the four clamping blocks are close to and pressed against the four side walls of the steel truss member for positioning.

[0024] By adopting the above technical solution, when the steel truss member is placed on the lifting seat, the pressing block moves downward and approaches the steel truss member, and at the same time, the clamping block also moves downward and approaches the steel truss member, so that the four clamping blocks press against the four side walls of the steel truss member for positioning, thereby clamping and positioning the steel truss member; and when the lifting assembly is started, the lifting seat and the clamping assembly are driven downward, so that the pressing block moves downward and away from the steel truss member. Therefore, the clamping block is moved away from the steel truss member under the action of the clamping spring, thereby releasing the lock on the steel truss member;

[0025] Therefore, when the lifting seat is moved up to be flush with the upper surface of the temporary support, the four clamping blocks extend above the lifting seat. When the steel truss member is placed downward, the four clamping blocks are located on the inner side of the steel truss member. The four clamping blocks clamp on the steel truss member to position it, so that the two steel truss members are spliced ​​together, thereby further improving the convenience and position accuracy of the steel truss member splicing.

[0026] At the same time, the clamping block is located on the inner side of the steel truss member for clamping, so the steel truss member is clamped by its own gravity, which eliminates the need for a power mechanism and a control mechanism, and also reduces the complexity of the structure when using a power mechanism and a control mechanism, thereby improving the stability during operation and the cost of the structure, and improving the construction efficiency and construction cost.

[0027] Optionally, the lifting assembly includes:

[0028] A lifting cylinder, the lifting cylinder being arranged on the machine base and connected to the lifting base;

[0029] The magnet sheet is arranged on the pressing block and is adsorbed on the steel truss member for positioning.

[0030] By adopting the above technical solution, the lifting cylinder is started to drive the lifting seat and the magnet piece to move upward. When the steel truss member is placed on the lifting seat, the magnet piece is adsorbed on the steel truss member for positioning. When the lifting cylinder is started to drive the lifting seat to move downward, the magnet piece is adsorbed on the steel truss member, and the downward movement of the lifting seat will generate an upward pulling force on the pressing block, so that the pressing block and the clamping block move upward and away from the steel truss member under the combined action of this pulling force and the clamping spring, reducing the probability that the pressing block and the clamping block will not automatically move back due to insufficient elastic force of the supporting spring, thereby further improving the stability of construction, and improving construction efficiency and quality.

[0031] Optionally, the driving component includes:

[0032] Support wheels and guide wheels, which are rotatably mounted on the machine base and the lower surface of the movable base respectively and roll on the roadbed;

[0033] A driving motor, which is arranged on the moving base and is used to drive the guide wheel to rotate;

[0034] The electromagnet is arranged on the machine base and is adsorbed on the movable base after being energized and is used to connect the movable base and the machine base together.

[0035] By adopting the above technical solution, the electromagnet is adsorbed on the movable base after being energized, so that the movable base and the machine base are connected together. Therefore, the drive motor starts to drive the guide wheel to rotate, and the rotation of the guide wheel drives the machine base and the movable base to move together. After the electromagnet is powered off, the drive motor starts to realize the movement of the movable base alone.

[0036] Optionally, a supporting mechanism is further included, which is used to support and position the steel truss member and to prevent the steel truss member from turning downward after moving to the outside of the temporary support.

[0037] By adopting the above technical solution, multiple steel truss members are spliced ​​together and move together with the thrust. When the steel truss members move to the outside of the temporary support and cross the river, they tend to fall downward. The supporting mechanism is used to support the steel truss members, thereby improving the convenience and stability of the steel truss members when splicing them, and improving the construction quality and efficiency.

[0038] Optionally, the support mechanism is provided on an end of the temporary support close to the river, and the support mechanism includes:

[0039] Two support seats, which are spliced ​​together and then rest against a temporary support for positioning;

[0040] Two electric push rods, the two electric push rods are respectively arranged on two supporting seats;

[0041] Two plug-in blocks, which are respectively arranged on the piston rods of the two electric push rods and are plugged and installed on the temporary support for positioning;

[0042] The limiting plate is arranged on the support seat and contacts the upper surface of the steel truss member for positioning.

[0043] By adopting the above technical solution, the two support seats are placed on the roadbed and spliced ​​together. At the same time, the support seat is located at the end of the temporary support close to the river. The two electric push rods are started to drive the two plug-in blocks to move, so that the two plug-in blocks are plugged into and installed on the two temporary supports for positioning. The limit plate extends above the steel truss member and rests on the upper surface of the steel truss member for positioning, thereby reducing the probability of danger caused by overturning of the steel truss member and improving construction efficiency and quality.

[0044] During disassembly, the two electric push rods are started to drive the two plug-in blocks to disengage from the two temporary supports, and then the two support seats can be removed, thereby further improving construction efficiency. In addition, the structure is simple, transportation is stable, construction costs are reduced, and construction efficiency is improved.

[0045] Optionally, the support mechanism and the conveying mechanism are respectively located on both sides of the river, and the support mechanism includes:

[0046] A mounting seat, the mounting seat being detachably mounted on the temporary support;

[0047] A winding reel, the winding reel being rotatably mounted on a mounting base;

[0048] A winding motor, which is arranged on a mounting base and connected to a winding reel;

[0049] a steel rope, the steel rope being wound on a winding drum and being detachably connected to the steel truss member;

[0050] A tensioning assembly is provided on the mounting seat and is used to detect the tensioning force of the steel rope and is electrically connected to the winding motor.

[0051] By adopting the above technical solution, the steel rope is passed through the river and connected to the steel truss member closest to the supporting mechanism. The tensioning assembly is used to detect the tensioning force of the supporting steel rope, and the collection motor drives the reel to rotate according to the tensioning force. The rotation of the reel is used to reel in the steel rope, so that the steel rope is in a tensioned state. Therefore, after the steel truss member is moved to the outside of the temporary support, the steel rope pulls the steel truss member for support, thereby preventing the steel truss member from flipping over, thereby improving the stability during the construction process, and improving the construction efficiency and quality.

[0052] Moreover, the steel ropes continuously support the entire installation process of the steel truss members, thereby improving the supporting effect of the steel truss members, improving the stability during the construction process, and improving the construction efficiency and quality. At the same time, when the steel truss members are erected on temporary supports after crossing the river, the steel ropes and the steel truss members are disassembled, and then the supporting mechanism can be disassembled and removed, thereby improving the convenience during construction and further improving the construction efficiency and quality.

[0053] At the same time, the steel rope pulls the steel truss components to move, thereby reducing the force required for the conveying mechanism to push, improving the stability when conveying the steel truss components, and further improving construction efficiency.

[0054] Optionally, the tensioning assembly includes:

[0055] A tensioning rod, the tensioning rod being slidably disposed on the mounting seat;

[0056] A tensioning spring, the tensioning spring being sleeved on the tensioning rod and connected to the mounting seat and the tensioning rod;

[0057] A tensioning wheel, the tensioning wheel is rotatably mounted on the tensioning rod and presses against the steel rope;

[0058] A pressure sensor is provided on the mounting seat and is electrically connected to the winding motor. The tensioning rod is pressed against the pressure sensor. The tensioning spring is used to offset part of the pressure of the steel rope on the tensioning rod.

[0059] By adopting the above technical solution, the steel rope passes around the tensioning wheel, and the movement of the steel rope drives the tensioning wheel to rotate, while also making the tensioning rod approach and press against the pressure sensor. The tensioning spring is used to offset part of the pressure of the tensioning rod on the pressure sensor, reducing the probability of the pressure sensor being damaged by excessive pressure. The pressure sensor detects the pressure of the tensioning rod on the pressure sensor, and the winding motor is started and stopped according to the size of the tensioning force, thereby further improving construction efficiency and quality.

[0060] Secondly, the construction method of the through steel truss beam provided by this application adopts the following technical solution:

[0061] The construction method of through steel truss beam includes the following construction steps:

[0062] The conveying mechanism is in place, and is moved between two temporary supports and located at the starting point of the steel truss member splicing, and the positioning assembly is started for positioning;

[0063] Install the support mechanism to support the steel truss members;

[0064] The steel truss members are transported and placed on the transport mechanism. The transport mechanism transports the steel truss members forward, and then the steel truss members are continuously placed so that two steel truss members are spliced ​​together. The two steel truss members are then fixed together. The transport mechanism then continues to transport the steel truss members forward, and this process is repeated until multiple steel truss members are connected. At the same time, when the steel truss members are moved to the outside of the temporary support, the support mechanism supports and positions the steel truss members.

[0065] Dismantle the supporting mechanism after the steel truss members are moved and erected on the temporary supports on the other side of the river or after the steel truss members are spliced;

[0066] Remove the conveyor mechanism.

[0067] By adopting the above technical solution, the conveying mechanism moves into position, and then the steel truss member is placed. The conveying mechanism starts to convey forward, and then the steel truss member continues to be placed, so that two steel truss members are spliced ​​together, and then the two steel truss members are fixed together. Then, the steel truss members are repeatedly placed and conveyed until multiple steel truss members are spliced ​​together. At the same time, the support mechanism supports and positions the steel truss member when it moves. Finally, the support mechanism is disassembled and the conveying mechanism is removed, thereby improving the construction quality and efficiency of the steel truss beam.

[0068] In summary, this application includes at least one of the following beneficial technical effects:

[0069] By placing the steel truss member on the lifting seat, the clamping assembly clamps and positions the steel truss member, and then the driving assembly starts to drive the steel truss member to move; then the clamping assembly starts to release the clamping of the steel truss member, the lifting seat starts to drive the clamping assembly to move under the steel truss member, and then the driving assembly starts to drive the moving seat to move back, and then the lifting assembly starts to drive the lifting seat to move upward, and then the steel truss member continues to be placed, and then the clamping assembly is used to clamp two adjacent steel truss members, so that the two steel truss members are fixed and spliced ​​together, and then the driving assembly continues to start to drive the two steel truss members to move at the same time, and then repeat to complete the splicing, fixation and transportation of multiple steel truss members, thereby improving the construction quality and construction efficiency of the steel truss. BRIEF DESCRIPTION OF THE DRAWINGS

[0070] Figure 1 is a schematic diagram of the three-dimensional structure of Example 1 in this application;

[0071] Figure 2 It is a structural diagram of the conveying mechanism in Example 1 of the present application;

[0072] Figure 3 1 is a schematic structural diagram of the clamping assembly in Example 1 of the present application, wherein the side wall of the lifting seat is cut away;

[0073] Figure 4 is a schematic structural diagram of the support mechanism in Example 1 of the present application;

[0074] Figure 5 is a schematic diagram of the three-dimensional structure of Example 2 of the present application;

[0075] Figure 6 It is a structural diagram of the support mechanism in Example 2 of the present application.

[0076] Figure numerals: 1. Steel truss member; 11. Temporary support; 12. Machine base; 13. Mounting groove; 14. Mounting plate; 15. First bearing plate; 16. Second bearing plate; 17. Tensioning seat; 18. Starting end; 2. Positioning assembly; 21. Positioning cylinder; 22. Positioning plate; 23. Connecting rod; 24. Mounting portion; 25. Positioning portion; 3. Conveying mechanism; 31. Moving seat; 32. Lifting seat; 33. Sliding rod; 34. Limiting groove; 35. Accommodating groove; 36. Limiting plate; 4. Driving assembly; 41. Support wheel; 42. Guide wheel; 43. Driving motor; 44. Electromagnet; 5. Clamping assembly; 51. Clamping block; 52. Pressing block; 53. Clamping spring ;54. Groove;55. Limit block;6. Lifting assembly;61. Lifting cylinder;62. Magnet;7. Support mechanism;71. Support seat;711. Connecting section;712. Mounting section;72. Electric push rod;73. Connecting block;74. Limit plate;75. Vertical portion;76. Limit portion;81. Mounting seat;811. Abutment plate;812. Clamping block;82. Winding reel;83. Winding motor;84. Steel rope;85. Support plate;86. Connecting ring;87. Connecting plate;871. Connecting screw;872. Connecting nut;88. Connecting block;9. Tensioning assembly;91. Tensioning rod;92. Tensioning spring;93. Tensioning wheel;94. Pressure sensor. DETAILED DESCRIPTION

[0077] The following is combined with Figure 1-6 This application is described in further detail.

[0078] The present application discloses a bottom-through steel truss beam auxiliary assembly device.

[0079] Example 1

[0080] Reference Figure 1In this application, the steel truss member 1 is a rectangular frame structure, and the temporary support 11 is fixedly installed on the roadbed on both sides of the river, and the length direction of the temporary support 11 is parallel to the length direction of the steel truss beam and parallel to the splicing direction of multiple steel truss members 1. The temporary support 11 is arranged in two rows perpendicular to the length direction of the temporary support 11 and supports the steel truss member 1 at the same time. Each row of temporary supports 11 has multiple spliced ​​end to end along the length direction of the temporary support 11. The temporary support 11 is a frame structure and has multiple plug holes evenly formed thereon. After multiple steel truss members 1 are spliced ​​and fixedly installed, the temporary support 11 is dismantled and replaced with a permanent support. Finally, the permanent support is fixedly connected to the steel truss member 1 to complete the construction of the steel truss beam.

[0081] The bottom-supported steel truss beam auxiliary assembly device includes a machine base 12 located on the roadbed between two temporary supports 11, a positioning component 2 arranged on the machine base 12 and plugged into and installed on the two temporary supports 11 for positioning, and a conveying mechanism 3 arranged on the machine base 12 and used to convey the steel truss member 1. It also includes a support mechanism 7, which is used to support and position the steel truss member 1, so as to prevent the steel truss member 1 from flipping downward after moving to the outside of the temporary support 11.

[0082] The base 12 is located between the two temporary supports 11 , and the distances between the opposite side walls of the base 12 and the opposite side walls of the two temporary supports 11 are the same. There are at least two positioning assemblies 2 connected to the two temporary supports 11 .

[0083] Reference Figure 1 and Figure 2 The positioning assembly 2 includes a positioning cylinder 21, a positioning plate 22 and a connecting rod 23. The ends of the two temporary supports 11 away from the river are both the starting ends 18, and the machine base 12 is located at the starting end 18 and is the starting point for splicing the steel truss member 1; the positioning cylinder 21 is fixedly installed on the side wall of the machine base 12 close to the starting end 18, and the piston rod of the positioning cylinder 21 extends horizontally to the position close to the starting end 18, and at the same time, the axis of the piston rod of the positioning cylinder 21 is perpendicular to the length direction of the temporary support 11.

[0084] The positioning plate 22 includes an integral mounting portion 24 and a positioning portion 25. The mounting portion 24 is fixedly mounted on the piston rod of the positioning cylinder 21 and extends horizontally to the outside of the starting end 18. The positioning portion 25 is located on the side of the mounting portion 24 close to the starting end 18, and both positioning portions 25 abut against the starting end 18 for positioning. When the machine base 12 moves between the two temporary supports 11, the two positioning portions 25 abut against the starting end 18 and then stop moving, thereby performing preliminary positioning. The plug-in rod 23 is fixedly mounted on the side wall of the mounting portion 24 close to the starting end 18. When the piston rod of the positioning cylinder 21 is extended, the plug-in rod 23 is plugged into the plug hole for positioning, and the mounting portion 24 also presses against the starting end 18 for positioning.

[0085] Reference Figure 1 and Figure 2 The conveying mechanism 3 includes a moving seat 31, a driving assembly 4, and a lifting seat 32. A mounting plate 14 is installed on the side wall of the machine base 12 away from the positioning cylinder 21, and two mounting plates 14 are arranged at intervals perpendicular to the length direction of the temporary support 11; the moving seat 31 is slidably installed on the side wall on the opposite side of the two mounting plates 14, and the sliding direction of the moving seat 31 is perpendicular to the length direction of the temporary support 11 and parallel to the splicing direction of the steel truss member 1; the driving assembly 4 is arranged on the machine base 12 and is used to drive the moving seat 31 to move, and the upper surfaces of the moving seat 31 and the machine base 12 are flush.

[0086] Reference Figure 2 The driving assembly 4 includes a supporting wheel 41, a guide wheel 42, a driving motor 43, and an electromagnet 44. The supporting wheel 41 is rotatably mounted on the lower surface of the machine base 12, and the guide wheel 42 is rotatably mounted on the lower surface of the moving base 31. At the same time, the supporting wheel 41 and the guide wheel 42 both roll on the roadbed, and two supporting wheels 41 and two guide wheels 42 are arranged at intervals; the driving motor 43 is fixedly mounted on the lower surface of the moving base 31, and the output shaft of the driving motor 43 is connected to the guide wheel 42; the driving motor 43 is started to drive the guide wheel 42 to rotate, thereby realizing the movement of the moving base 31.

[0087] A mounting groove 13 is provided on the side wall of the base 12 close to the movable base 31, and the electromagnet 44 is fixedly mounted on the mounting groove 13. A control box for controlling the power on and off of the electromagnet 44 is fixedly mounted on the base 12. At the same time, the movable base 31 is in contact with the base 12 in the initial state. At the same time, the control box controls the electromagnet 44 to be energized and adsorbed on the movable base 31, so that the movable base 31 and the base 12 are connected together. Therefore, after the drive motor 43 is started, the movable base 31 and the base 12 move together; and when the movable base 31 needs to move alone, the control box controls the electromagnet 44 to be de-energized, so that the movable base 31 can move freely.

[0088] Reference Figure 1 and Figure 2The lifting seat 32 is vertically slidably installed on the upper surface of the moving seat 31 through the sliding rod 33. The sliding rod 33 is fixedly installed on the lower surface of the lifting seat 32 and vertically slidably installed on the upper surface of the moving seat 31. The lifting seat 32 stops moving after moving up. At this time, the lifting seat 32 is flush with the upper surfaces of the two temporary supports 11; the clamping assembly 5 is arranged on the lifting seat 32 and two groups are arranged at intervals. The two groups of clamping assemblies 5 are respectively used to clamp and position two adjacent steel truss members 1. Each group of clamping assemblies 5 is arranged at intervals of four and are respectively located at the four sides of the steel truss member 1. The four clamping assemblies 5 are all located on the inner side of the steel truss member 1 and are arranged opposite to each other in pairs. The four clamping assemblies 5 are respectively clamped on the four inner side walls of the steel truss member 1 for positioning.

[0089] Reference Figure 1 and Figure 2 The conveying mechanism 3 also includes a clamping assembly 5 and a lifting assembly 6. An inclined limiting groove 34 is provided on the upper surface of the lifting seat 32 and at each clamping assembly 5, and the limiting groove 34 is tilted downward. The clamping assembly 5 includes a clamping block 51, a pressing block 52, and a clamping spring 53. The clamping block 51 is tilted and slidably mounted on the limiting groove 34, so that the clamping block 51 moves vertically toward or away from the steel truss member 1. When the clamping block 51 moves downward, it moves toward the steel truss member 1, and vice versa. The pressing block 52 is fixedly mounted on the side wall of the clamping block 51 near the bottom of the limiting groove 34. The pressing block 52 is located near the bottom end of the clamping block 51. At the same time, the two pressing blocks 52 in the two opposing clamping assemblies 5 are located on the opposite side walls of the two clamping blocks 51.

[0090] The upper surface of the pressing block 52 is horizontal, and the side wall of the pressing block 52 close to the bottom of the limiting groove 34 is inclined and parallel to the bottom of the limiting groove 34. The clamping spring 53 is fixedly installed on the side wall of the pressing block 52 close to the bottom of the limiting groove 34, and the clamping spring 53 presses on the bottom of the limiting groove 34 for positioning; a limiting block 55 is fixedly installed on the side wall of the clamping block 51 away from the pressing block 52, and a limiting plate 36 is fixedly installed at the notch of the limiting groove 34 and on the side of the clamping block 51 away from the pressing block 52 by screws, and the limiting block 55 is located below the limiting plate 36.

[0091] In the initial state, that is, when the truss member 1 is not placed, the limit block 55 is pressed against the lower surface of the limit plate 36 for positioning under the action of the clamping spring 53, and the upper surface of the pressing block 52 extends above the lifting seat 32, and the clamping block 51 is in a disengaged state from the steel truss member 1; when the steel truss member 1 is placed downward on the two temporary supports 11, the steel truss member 1 presses the pressing block 52 downward, so that the clamping block 51 approaches and presses against the steel truss member 1 for positioning, so that the four clamping blocks 51 press against the four side walls of the steel truss member 1 for positioning.

[0092] Receiving grooves 35 are provided on the upper surface of the movable seat 31 and on both sides of the sliding rod 33. The lifting assembly 6 is provided on the movable seat 31 and is used to drive the lifting seat 32 to move vertically. The lifting assembly 6 includes a lifting cylinder 61 and a magnet piece 62. Two lifting cylinders 61 are provided and are fixedly installed on the two receiving grooves 35 respectively. The piston rod of the lifting cylinder 61 extends vertically upward to the outside of the receiving groove 35 and is fixedly connected to the lower surface of the lifting seat 32; an embedding groove 54 is provided on the upper surface of the pressure block 52, and the magnet piece 62 is fixedly installed on the embedding groove 54, and the upper surfaces of the magnet piece 62 and the pressure block 52 are flush, and the magnet piece 62 is adsorbed on the steel truss member 1 for positioning.

[0093] Reference Figure 1 、 Figure 2 and Figure 3 , the machine base 12 and the movable base 31 are moved together to between the two temporary supports 11, the positioning assembly 2 is started for positioning, and then the lifting cylinder 61 is started to drive the lifting base 32 to move up, so that the upper surfaces of the lifting base 32 and the temporary support 11 are flush, and then the steel truss member 1 is hoisted and placed, and when placed, the four clamping blocks 51 are located on the inner side of the steel truss member 1, and then the steel truss member 1 is moved down and placed on the lifting base 32 and the temporary support 11, and the steel truss member 1 is squeezed so that the four clamping blocks 51 are It approaches and presses against the four side walls of the steel truss member 1 for positioning, and then the driving motor 43 is started to drive the movable seat 31 and the steel truss member 1 to move forward. After moving into position, the driving motor 43 stops running, and the lifting cylinder 61 is started to drive the lifting seat 32 to move downward. The clamping block 51 is pushed away from the steel truss member 1 by the clamping spring 53 and the pulling force of the magnet sheet 62, so that the clamping assembly 5 moves to the bottom of the steel truss member 1, and then the driving motor 43 is started to drive the movable seat 31 back to its original position.

[0094] The lifting cylinder 61 continues to start and drives the lifting seat 32 to continue to move upward. One of the clamping components 5 clamps and positions the moved steel truss member 1, and then continues to place the steel truss member 1. The other clamping component 5 clamps and positions the just placed steel truss member 1, so as to achieve the clamping and positioning of the two adjacent steel truss members 1, and also make the two steel truss members 1 spliced ​​together. Then the staff can fix the two adjacent steel truss members 1 by bolts and nuts or welding, and then start the drive motor 43 to continue to push the steel truss member 1 for transportation, thereby realizing the splicing of multiple steel truss members 1, improving the convenience and position accuracy of the splicing of the steel truss members 1, and improving the construction quality and efficiency of the steel truss beams.

[0095] When multiple steel truss members 1 are spliced ​​and the temporary support 11 needs to be removed, the lifting seat 32 moves up to support the two adjacent steel truss members 1, and the two clamping assemblies 5 are used to clamp and position the two adjacent steel truss members 1, and then the positioning cylinder 21 is started to drive the positioning plate 22 and the connecting rod 23 to separate from the two temporary supports 11, and then the temporary support 11 is removed to make a permanent support. After the construction is completed, the lifting seat 32 moves down to drive the two clamping assemblies 5 to move down to the bottom of the steel truss member 1, and then the control box controls the electromagnet 44 to energize so that the moving seat 31 and the machine base 12 are connected together, and finally the drive motor 43 is started to drive the conveying mechanism 3 to move to the outside of the steel truss member 1.

[0096] Reference Figure 1 、 Figure 4 The support mechanism 7 is arranged on the end of the temporary support 11 close to the river. The support mechanism 7 includes two support seats 71, two electric push rods 72, two plug-in blocks 73, and two limit plates 74. The length direction of the support seat 71 is perpendicular to the length of the temporary support 11. The support seat 71 includes a connecting section 711 and an installation section 712 that are integrally arranged together. The two connecting sections 711 are spliced ​​together at opposite ends and spliced ​​together through the support block. The support block is fixedly mounted on one of the connecting sections 711 and plugged into the other connecting section 711 for positioning. At the same time, the opposite ends of the two connecting sections 711 are in contact with the side walls on the opposite side of the two temporary supports 11 for positioning; the two installation sections 712 are located on the opposite ends of the two connecting sections 711, and the two installation sections 712 are against the ends of the two temporary supports 11 close to the river for positioning. At the same time, the opposite ends of the two installation sections 712 extend to the outside of the two temporary supports 11 respectively.

[0097] The two electric push rods 72 are fixedly mounted on the upper surfaces of the two connecting sections 711, and the two plug-in blocks 73 are fixedly mounted on the piston rods of the two electric push rods 72, and the two plug-in blocks 73 are plugged into the plug-in holes for positioning under the action of the electric push rods 72; the two limit plates 74 are located on the opposite ends of the two mounting sections 712, and the limit plates 74 include a vertical portion 75 and a limit portion 76 connected together, and the vertical portion 75 is fixedly mounted on the upper surface of the mounting section 712, and the vertical portion 75 extends vertically to above the steel truss member 1.

[0098] The limiting portion 76 is fixedly mounted on the top of the vertical portion 75, and the limiting portion 76 extends horizontally to above the steel truss member 1. The limiting portion 76 abuts against the upper surface of the steel truss member 1 for limiting its position, so as to support the steel truss member 1 after it is moved to the outside of the temporary support 11, thereby preventing the steel truss member 1 from falling downward; when the steel truss member 1 is pushed to move to the temporary support 11 on the other side of the river, the electric push rod 72 is started to drive the two plug-in blocks 73 to disengage from the two temporary supports 11, and then the two support seats 71 can be disassembled, thereby realizing the disassembly of the support mechanism 7.

[0099] The working principle of the embodiment of this application is as follows:

[0100] Splice the two support seats 71 together, and then press the installation section 712 against the two temporary supports 11, so that the two connecting sections 711 touch the side walls on the opposite side of the two temporary supports 11 for positioning, and then start the electric push rod 72 to drive the plug-in block 73 to be plugged into the plug-in hole for positioning, so as to fix the two limit plates 74; install the limit plate 74 and at the same time drive the motor 43 to start and drive the machine base 12 and the movable seat 31 to move between the two temporary supports 11, so that the positioning part 25 presses against the temporary support 11 for positioning, and then start the positioning cylinder 21 to drive the plug-in rod 23 to be plugged into the plug-in hole, so as to fix the conveying mechanism 3.

[0101] The lifting cylinder 61 is started to drive the lifting seat 32 to move upward, and then the steel truss member 1 is placed on the lifting seat 32 and the two temporary supports 11, and the four clamping blocks 51 are pressed against the steel truss member 1 for positioning. Then the electromagnet 44 is powered off, and the drive motor 43 is started to drive the moving seat 31 and the steel truss member 1 to move together. After the movement is completed, the steel truss member 1 is placed on the two temporary supports 11, and the lifting cylinder 61 is started to drive the clamping blocks 51 to move to the bottom of the steel truss member 1.

[0102] The driving motor 43 starts to drive the moving seat 31 back to its original position, and then the lifting cylinder 61 starts to drive the lifting seat 32 to move upward. One group of four clamping blocks 51 continues to clamp and position the steel truss member 1 that has been moved, and then continues to place the steel truss member 1, so that two groups of clamping components 5 can clamp and position two adjacent steel truss members 1, and then the two adjacent steel truss members 1 can be fixed, and then multiple steel truss members 1 can be repeatedly spliced. At the same time, when the steel truss member 1 moves to the two temporary supports 11 close to one end of the river, the two limit plates 74 contact the upper surface of the steel truss member 1 for support and limitation, thereby improving the convenience and quality of splicing the steel truss members 1, and improving the construction quality and efficiency of the steel truss beams.

[0103] When the last steel truss member 1 is spliced, the lifting seat 32 and the clamping assembly 5 continue to support and position the two adjacent steel truss members 1, and then the temporary support 11 can be removed and the permanent support can be completed. Then the lifting seat 32 drives the clamping block 51 to move to the bottom of the steel truss member 1. At the same time, the electromagnet 44 is energized to connect the movable seat 31 and the machine base 12 together, and then the drive motor 43 can be started to drive the entire structure to the outside of the steel truss member 1, thereby improving the convenience and accuracy during construction and improving the construction quality and efficiency of the steel truss beam.

[0104] Example 2

[0105] Reference Figure 5 and Figure 6 The difference between this embodiment and embodiment 1 is that the support mechanism 7 and the conveying mechanism 3 are respectively located on both sides of the river. The support mechanism 7 includes a mounting seat 81, a winding disk 82, a winding motor 83, a steel rope 84 and a tensioning assembly 9. A supporting plate 811 is fixedly installed on the side wall of the mounting seat 81. The mounting seat 81 abuts against the side wall on the opposite side of the two temporary supports 11 for positioning, and the supporting plate 811 abuts against the end of the two temporary supports 11 away from the river for positioning. At the same time, a clamping block 812 that is plugged into the temporary support 11 is fixedly installed on the two abutting plates 811, so as to realize the detachable installation of the mounting seat 81 and the two temporary supports 11.

[0106] The winding drum 82 is rotatably mounted on the upper surface of the mounting seat 81, and the axis of the winding drum 82 is perpendicular to the length direction of the temporary support 11; the winding motor 83 is fixedly mounted on the upper surface of the mounting seat 81, and the output shaft of the winding motor 83 is connected to the winding drum 82, and a control panel for controlling the start and stop of the winding motor 83 is fixedly mounted on the mounting seat 81. The steel rope 84 is wound on the winding drum 82, and after passing through the river, the steel rope 84 is connected to the steel truss member 1 on the side closest to the winding drum 82.

[0107] A support plate 85 is detachably mounted on the steel truss member 1 by means of screws, and a connecting ring 86 is fixedly mounted on the support plate 85. After the steel rope 84 passes through the connecting ring 86, it abuts against the steel rope 84 and is fixed by two connecting plates 87. One end of the two connecting plates 87 is fixedly mounted with a connecting screw 871 and the other end is provided with a connecting hole. Connecting blocks 88 are fixedly mounted on the side walls on the opposite sides of the two connecting plates 87. The connecting block 88 is provided with two connecting grooves that fit with the steel rope 84. A connecting nut 872 is threadedly connected to the connecting screw 871. Therefore, after the connecting screw 871 on one of the connecting plates 87 passes through the connecting hole, the connecting nut 872 is threadedly connected to the connecting screw 871, so that the connecting nut 872 abuts against the connecting plate 87 for positioning, so that the two connecting blocks 88 cooperate to clamp the two sections of steel rope 84 abutting together.

[0108] A vertical first bearing plate 15 is fixedly installed on the upper surface of the mounting seat 81 and on the side of the winding drum 82 close to the steel truss member 1, and a horizontal second bearing plate 16 is fixedly installed on the side wall of the first bearing plate 15. The tensioning assembly 9 is arranged on the first bearing plate 15 and the second bearing plate 16, and the tensioning assembly 9 is used to detect the tensioning force of the steel rope 84 and is electrically connected to the winding motor 83; the tensioning assembly 9 includes a tensioning rod 91, a tensioning spring 92, a tensioning wheel 93 and a pressure sensor 94, the tensioning rod 91 vertically slides through the upper surface of the second bearing plate 16, and a tensioning seat 17 is fixedly installed on the top of the tensioning rod 91, the tensioning spring 92 is sleeved on the tensioning rod 91 and the two ends are pressed against the second bearing plate 16 and the tensioning seat 17.

[0109] The tensioning wheel 93 is rotatably mounted on the top of the tensioning seat 17, and the steel rope 84 passes around the tensioning wheel 93, and a tensioning groove is coaxially opened on the tensioning wheel 93 for limiting the steel rope 84. The steel rope 84 pulls the tensioning wheel 93 and the tensioning rod 91 to maintain a downward movement trend, and the tensioning spring 92 is used to offset part of the pressure of the steel rope 84; the pressure sensor 94 is fixedly mounted on the side wall of the first bearing plate 15, and the pressure sensor 94 is located below the tensioning rod 91. At the same time, the tensioning rod 91 is pressed against the pressure sensor 94 under the tension of the steel rope 84. The pressure sensor 94 is used to detect the tensioning force of the steel rope 84 and is electrically connected to the control board, so as to control the start and stop of the winding motor 83 according to the pressure value of the pressure sensor 94, so that the steel rope 84 maintains a certain tension, thereby pulling the steel truss member 1 for support, thereby preventing the steel truss member 1 from falling downward after moving outside the temporary support 11.

[0110] The working principle of the embodiment of this application is as follows:

[0111] The steel rope 84 is passed through the river and connected to the nearest steel truss member 1, and the pressure sensor 94 is used to detect the tension of the steel rope 84. Therefore, when the steel truss member 1 moves, the winding motor 83 is started to drive the winding disk 82 to rotate and wind up the steel rope 84, so that the steel rope 84 maintains a certain tension, thereby supporting the steel truss member 1. When the steel truss member 1 is moved from one side of the river to the other side and erected on the temporary support 11, the support plate 85 is disassembled from the steel truss member 1 to achieve the disassembly of the steel rope 84 and the steel truss member 1, and then the mounting base 81 is removed from the temporary support 11, thereby improving the construction quality and efficiency of the steel truss beam.

[0112] The embodiments of the present application disclose a method for constructing a through steel truss beam.

[0113] Reference Figure 1 and Figure 2 The auxiliary assembly construction method of the through-type steel truss beam includes the following construction steps:

[0114] The conveying mechanism 3 is in place, and is moved between the two temporary supports 11 and is located at the starting point of the splicing of the steel truss member 1, and the positioning component 2 is started to perform positioning;

[0115] Install the support mechanism 7 to support the steel truss member 1;

[0116] The steel truss member 1 is transported and placed on the transport mechanism 3. The transport mechanism 3 transports the steel truss member 1 forward, and then the steel truss member 1 is continuously placed so that two steel truss members 1 are spliced ​​together. The two steel truss members 1 are then fixed together. The transport mechanism 3 then continues to transport the steel truss member 1 forward, and this process is repeated until multiple steel truss members 1 are connected. At the same time, when the steel truss member 1 is moved to the outside of the temporary support 11, the support mechanism 7 supports and positions the steel truss member 1.

[0117] Dismantle the support mechanism 7 after the steel truss member 1 is moved and erected on the temporary support 11 on the other side of the river or after the steel truss member 1 is spliced;

[0118] The conveying mechanism 3 is moved to the outside of the two temporary supports 11 .

[0119] The working principle of the embodiment of this application is as follows:

[0120] The conveying mechanism 3 moves into position, and then places the steel truss member 1. The conveying mechanism 3 starts to convey forward, and then continues to place the steel truss member 1, so that two steel truss members 1 are spliced ​​together, and then the two steel truss members 1 are fixedly connected together. Then the steel truss members 1 are repeatedly placed and conveyed until multiple steel truss members 1 are spliced ​​together. At the same time, the support mechanism 7 supports and positions the steel truss member 1 when it moves. Finally, the support mechanism 7 is disassembled and the conveying mechanism 3 is removed, thereby improving the construction quality and efficiency of the steel truss beam.

[0121] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A through steel truss beam auxiliary assembly device, characterized by: The invention comprises a machine base (12) located on a roadbed between two rows of temporary supports (11), a positioning assembly (2) arranged on the machine base (12) and plugged and installed on the two temporary supports (11) for positioning, and a conveying mechanism (3) arranged on the machine base (12) and used for conveying steel truss members (1), wherein the conveying mechanism (3) comprises: A movable seat (31), the movable seat (31) being slidably arranged on the machine base (12) along the splicing direction of the steel truss member (1); A drive assembly (4), the drive assembly (4) being arranged on the machine base (12) and being used to drive the movable base (31) to move alone or together with the machine base (12); A lifting seat (32), the lifting seat (32) is arranged on the movable seat (31) and slides up and down and cooperates with the temporary support (11) to place the steel truss member (1); A clamping assembly (5), the clamping assembly (5) being arranged on the lifting seat (32) and being used to clamp and position two adjacent steel truss members (1); A lifting assembly (6), the lifting assembly (6) being arranged on the machine base (12) and being used to drive the lifting base (32) to move; The clamping assemblies (5) are arranged in two groups at intervals and are arranged corresponding to two adjacent steel truss members (1). Each group of the clamping assemblies (5) is provided with four and are respectively located on the four sides of the steel truss member (1) and on the inner side of the steel truss member (1). A limiting groove (34) is provided on the lifting seat (32) and at each clamping assembly (5). The clamping assembly (5) includes: A clamping block (51), wherein the clamping block (51) is tilted and slidably arranged on the limiting groove (34); A pressing block (52), wherein the pressing block (52) is arranged on the clamping block (51); A clamping spring (53) is provided on the pressing block (52) and is connected to the limiting groove (34), so that when the steel truss member (1) is placed in front of the lifting seat (32), the upper surface of the pressing block (52) extends above the lifting seat (32); when the steel truss member (1) is placed on the lifting seat (32), the pressing block (52) is pushed downward, so that the four clamping blocks (51) are close to and pressed against the four side walls of the steel truss member (1) for positioning.

2. The through steel truss beam auxiliary assembly device according to claim 1, characterized in that: At least two positioning assemblies (2) are provided and connected to two temporary supports (11). The positioning assemblies (2) include: A positioning oil cylinder (21), wherein the positioning oil cylinder (21) is arranged on the machine base (12); A positioning plate (22), the positioning plate (22) being arranged on the piston rod of the positioning oil cylinder (21) and abutting against the temporary support (11) for positioning; A plug-in rod (23) is provided on the positioning plate (22) and is plugged into the temporary support (11) for positioning.

3. The through steel truss beam auxiliary assembly device according to claim 1, characterized in that: The lifting assembly (6) comprises: A lifting oil cylinder (61), the lifting oil cylinder (61) is arranged on the machine base (12) and connected to the lifting base (32); A magnet sheet (62) is provided on the pressing block (52) and is adsorbed on the steel truss member (1) for positioning.

4. The through steel truss beam auxiliary assembly device according to claim 1, characterized in that: The driving assembly (4) comprises: A support wheel (41) and a guide wheel (42), wherein the support wheel (41) and the guide wheel (42) are rotatably mounted on the machine base (12) and the lower surface of the movable base (31) respectively and both roll on the roadbed; A driving motor (43), the driving motor (43) being arranged on the movable seat (31) and being used to drive the guide wheel (42) to rotate; The electromagnet (44) is arranged on the machine base (12) and is adsorbed on the movable base (31) after being energized and is used to connect the movable base (31) and the machine base (12) together.

5. The through steel truss beam auxiliary assembly device according to claim 1, characterized in that: It also includes a support mechanism (7), which is used to support and position the steel truss member (1) and to prevent the steel truss member (1) from turning downward after moving to the outside of the temporary support (11).

6. The through steel truss beam auxiliary assembly device according to claim 5, characterized in that: The support mechanism (7) is arranged on one end of the temporary support (11) close to the river, and the support mechanism (7) comprises: Two support seats (71), the two support seats (71) being spliced ​​together and resting against a temporary support (11) for positioning; Two electric push rods (72), the two electric push rods (72) are respectively arranged on two support seats (71); Two plug-in blocks (73), the two plug-in blocks (73) are respectively arranged on the piston rods of the two electric push rods (72) and are plugged and installed on the temporary support (11) for positioning; A limiting plate (74) is provided on the support seat (71) and contacts the upper surface of the steel truss member (1) for positioning.

7. The through steel truss beam auxiliary assembly device according to claim 5, characterized in that: The support mechanism (7) and the conveying mechanism (3) are respectively located on both sides of the river, and the support mechanism (7) comprises: A mounting seat (81), wherein the mounting seat (81) is detachably arranged on the temporary support (11); A winding disk (82), wherein the winding disk (82) is rotatably mounted on the mounting seat (81); a winding motor (83), the winding motor (83) being arranged on the mounting seat (81) and connected to the winding reel (82); a steel rope (84), the steel rope (84) being wound on a winding drum (82) and being detachably connected to the steel truss member (1); A tensioning assembly (9) is provided on the mounting seat (81) and is used to detect the tensioning force of the steel rope (84) and is electrically connected to the winding motor (83).

8. The through steel truss beam auxiliary assembly device according to claim 7, characterized in that: The tensioning assembly (9) comprises: A tensioning rod (91), wherein the tensioning rod (91) is slidably disposed on the mounting seat (81); a tensioning spring (92), the tensioning spring (92) being sleeved on the tensioning rod (91) and connected to the mounting seat (81) and the tensioning rod (91); A tensioning wheel (93) is rotatably mounted on the tensioning rod (91) and presses against the steel rope (84); A pressure sensor (94) is provided on the mounting seat (81) and is electrically connected to the winding motor (83); the tensioning rod (91) is pressed against the pressure sensor (94); and the tensioning spring (92) is used to offset part of the pressure of the steel rope (84) on the tensioning rod (91).

9. A method for constructing a through steel truss beam using the assembly device according to any one of claims 1 to 8, characterized in that: The construction steps include: The conveying mechanism (3) is in place, the conveying mechanism (3) is moved between the two temporary supports (11) and is located at the starting point of the splicing of the steel truss member (1), and the positioning component (2) is started to perform positioning; Installing a support mechanism (7) to support the steel truss member (1); Conveying the steel truss member (1), placing the steel truss member (1) on the conveying mechanism (3), the conveying mechanism (3) conveying the steel truss member (1) forward, then continuing to place the steel truss member (1) so that two steel truss members (1) are spliced, then fixing the two steel truss members (1) together, and then the conveying mechanism (3) continuing to convey the steel truss member (1) forward, repeating this process until multiple steel truss members (1) are connected, and when the steel truss member (1) moves to the outside of the temporary support (11), the supporting mechanism (7) supports and positions the steel truss member (1); disassembling the support mechanism (7), after the steel truss member (1) is moved and erected on the temporary support (11) on the other side of the river or after the steel truss member (1) is spliced, disassembling the support mechanism (7); Remove the conveying mechanism (3).

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