Heavy instrument auxiliary supporting device for building construction and application method of heavy instrument auxiliary supporting device

Abstract

The invention discloses a heavy instrument auxiliary supporting device for building construction and an application method thereof.The auxiliary supporting device comprises a supporting column assembly, a supporting arm assembly hinged to the top end of the supporting column assembly, an adjustable plate assembly connected between the supporting column assembly and the supporting arm assembly and a mounting plate assembly arranged at one end of the top of the supporting arm assembly; the universal joint assembly is arranged at one end of the bottom of the supporting arm assembly, and the weight box assembly is rotationally connected to the other end of the universal joint assembly. Through the arrangement of the supporting arm assembly structure and the adjustable plate assembly, the flexible adjustment requirement for the supporting height and angle in different scenes is met. Through the design of the universal joint and the weight box assembly, the weight change of different instruments is adapted, and convenience and accuracy of single-person handheld construction are facilitated; and universal wheels are further mounted at the bottom of the weight box assembly, so that movement in a construction site is greatly facilitated. And through a clamping type detachable connecting structure of the mounting plate assembly, equipment of different specifications can be quickly adapted.

Description

TECHNICAL FIELD

[0001] The present application relates to heavy equipment auxiliary support device technical field, especially relates to a kind of heavy equipment auxiliary support device for construction and its application method. BACKGROUND

[0002] In construction, in order to ensure construction progress, engineering equipment is used for construction. But the engineering equipment is usually operated by hand, but in the field of nuclear power construction, due to the huge project, the commonly used engineering equipment includes engineering tongs with a weight of more than 80 kg, and the construction object is a thick steel bar with a diameter of more than 32 mm, which is far beyond the scope of single person's easy and durable operation. The steel bars are usually connected by hanging method in construction site, but in this working condition, it is difficult to adjust the misaligned steel bars by hand and the precision is not easy to control. How to ensure the convenient operation of heavy equipment, flexible adjustment during operation and convenient movement on site needs to be set specifically. SUMMARY

[0003] The present application provides a kind of heavy equipment auxiliary support device for construction and its application method, to solve the problem of how to facilitate single construction operation of heavy equipment, how to flexibly adjust the height and angle of heavy equipment auxiliary support device, and how to realize the convenient movement of heavy equipment on site.

[0004] To achieve the above purpose, the present application adopts the following technical scheme: A heavy equipment auxiliary support device for construction, comprising a support column assembly, a support arm assembly hinged to the top end of the support column assembly, an adjustable plate assembly connected between the support column assembly and the support arm assembly, a mounting plate assembly arranged at one end of the top of the support arm assembly, a universal joint assembly arranged at one end of the bottom of the support arm assembly, and a counterweight box assembly rotatably connected to the other end of the universal joint assembly. The support arm assembly is Z-shaped, comprising an upper horizontal rod, an inclined vertical rod connected to the upper horizontal rod, and a lower horizontal rod connected to the bottom of the inclined vertical rod. The outer end of the upper horizontal rod is rotatably connected to the mounting plate assembly, the bottom fixed end of the upper horizontal rod is hinged to the top end of the support column assembly, and the middle upper part of the inclined vertical rod is connected to the middle part of the support column assembly through the adjustable plate assembly. The support arm assembly, the support column assembly and the adjustable plate assembly form an adjustable triangular frame. The adjustable plate assembly comprises two parallel adjustable main plates, adjustable holes arranged on each adjustable main plate, and limiting pins inserted into the adjustable holes. The adjustable holes are arranged at one end of the adjustable main plate close to the inclined vertical rod, and are arranged at intervals with a length and adjustable length suitable for design. The other end of the adjustable main plate is hinged to the support column assembly. The counterweight block is arranged in the counterweight box assembly, and the weight of the counterweight block is matched with the construction counterweight of the engineering equipment.

[0005] Further, the support column assembly comprises a mounting seat, an adjusting screw rod arranged on the mounting seat, a rotating handle penetrating through the bottom of the adjusting screw rod, and an adjusting cylinder sleeved with the adjusting screw rod. The adjusting cylinder and the adjusting screw rod are threadedly connected, and the height of the thread connection is adapted to the adjusting height designed by the support column assembly.

[0006] Further, the adjustable plate assembly further comprises a reinforcing plate connected between the two parallel adjustable main plates; the reinforcing plate is arranged at intervals in the longitudinal direction of the adjustable main plates.

[0007] Further, the engineering equipment comprises engineering tongs, and the mounting plate assembly is detachably connected with the engineering tongs; the working end of the engineering tongs is connected with the upper steel bar and the lower steel bar to be constructed, so as to realize the butt joint between the upper steel bar and the lower steel bar.

[0008] Further, the mounting plate assembly comprises a mounting ear plate hingedly connected to the top of the support arm assembly, a connecting main plate integrally formed with the mounting ear plate, and a mounting main plate clamped and connected with the connecting main plate. The side of the connecting main plate away from the mounting ear plate is formed with a U-shaped piece, the side of the mounting main plate close to the connecting main plate is formed with a clamping piece, and the U-shaped piece and the clamping piece are clamped and connected.

[0009] Further, a first locking hole is formed below the U-shaped piece, a second locking hole is formed at a corresponding position below the clamping piece of the mounting main plate, and a locking pin is sequentially penetrated through the first locking hole and the second locking hole to fix the connecting main plate and the mounting main plate.

[0010] Further, a connecting hole is arranged on the surface of the mounting main plate, and the distribution position of the connecting hole is arranged corresponding to the fixed point on the engineering tongs. The connecting hole is a round hole or a round slot hole.

[0011] Further, the universal joint assembly comprises a universal joint shaft horizontally connected with the counterweight box assembly, a universal joint main plate connected with the universal joint shaft, connecting ear plates connected with the universal joint main plate and symmetrically arranged on both sides of the universal joint shaft, and a rotating shaft hingedly connected between the upper and lower connecting ear plates and vertically arranged. The universal joint shaft realizes the rotation of the support arm assembly in the horizontal direction, and the rotating shaft realizes the rotation of the support arm assembly in the vertical direction.

[0012] Further, the counterweight box assembly comprises a box body, a universal wheel arranged at the bottom of the box body, a mounting plate arranged on the side wall of the box body, a rotating bearing arranged in the mounting plate, and a counterweight block arranged in the interior of the box body. The rotating bearing is rotationally connected with the universal joint shaft.

[0013] Further, the specific steps are as follows: Step 1, determine the size of the engineering clamp according to the diameter and length of the upper and lower steel bars; and determine the length of the support arm assembly and the preset height of the support column assembly according to the butt joint position of the upper and lower steel bars; determine the weight of the counterweight block and the inclination angle of the support arm assembly in combination with the construction operation requirements of the engineering clamp; Step 2, assemble the support arm assembly and the support column assembly, fixedly connect the mounting seat with the base surface, and hingedly connect the upper cross bar with the top end of the support column assembly, change the depth of the adjusting screw by rotating the handle to change the height of the support column assembly to the preset height; Step 3, pre-connect the adjustable plate assembly, temporarily hinge the end with the adjustable hole to the inclined vertical rod through the limiting pin, and hinge and fix the end away from the adjustable hole to the adjusting sleeve; wherein the pre-connection strength of the adjustable main plate meets the working range of the engineering clamp; Step 4, respectively install the mounting plate assembly, the universal joint assembly, the counterweight box assembly and the engineering clamp; the mounting main plate and the connecting main plate are connected through the U-shaped piece and the clamping piece, the locking pin is sequentially inserted through the first locking hole and the second locking hole to position the connecting main plate and the mounting main plate, and the mounting plate assembly is hingedly connected to the top of the upper cross bar through the mounting ear plate; the end of the lower cross bar is rotationally connected with the rotating shaft; the rotating bearing is rotationally connected with the universal joint shaft; the engineering clamp is installed on the mounting main plate through the connecting hole, and the working end of the engineering clamp is correspondingly connected to the upper steel bar and the lower steel bar to be constructed; wherein the load capacity of the box meets the working range of the engineering clamp; Step 5, remove the limiting pin, release the pre-connection state of the adjustable plate assembly, pre-connect the engineering clamp, select the appropriate adjustable hole according to the balance of the auxiliary support device, and then remove the engineering clamp according to the determined adjustable hole and then adjust and install the limiting pin to realize the fixed connection of the adjustable main plate; Step 6, after the fixed connection of the adjustable main plate, the counterweight block with a weight corresponding to the construction operation requirements of the engineering clamp is arranged in the box, and the engineering clamp is formally fixed and connected, and finally the heavy equipment auxiliary support device for building construction is formed.

[0014] The beneficial effects of the present application are as follows: 1) The present application cooperates the design of Z-shaped support arm assembly structure and adjustable plate assembly, which is beneficial to the flexible adjustment requirement of support height and angle in different construction scenes, and has strong adaptability.

[0015] 2) The present application integrates the design of universal joint and counterweight box assembly, which is beneficial to adapt to the weight change of different instruments, improves the stability of the support device in the dynamic construction process, thereby ensures the convenience and accuracy of single-handed construction; and the universal wheel is further installed at the bottom of the counterweight box assembly, which greatly facilitates the movement of the construction site.

[0016] 3) The present invention facilitates the easy installation and replacement of heavy construction equipment such as engineering clamps through the snap-fit ​​detachable connection structure of the mounting plate assembly, and can quickly adapt to equipment of different specifications, thereby improving work efficiency and flexibility.

[0017] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention; the main objects and other advantages of the invention may be realized and obtained by means of the embodiments particularly pointed out in the description. Attached Figure Description

[0018] Figure 1 This is a side view of an auxiliary support device for heavy machinery used in construction. Figure 2 This is a three-dimensional schematic diagram of an auxiliary support device for heavy machinery used in construction. Figure 3 This is a three-dimensional schematic diagram of the support column assembly; Figure 4 This is a three-dimensional schematic diagram of the support arm assembly; Figure 5 This is a 3D schematic diagram of the adjustable plate assembly; Figure 6 This is a 3D diagram showing the connection to the motherboard; Figure 7 This is the main view of the motherboard mounted. Figure 8 This is a 3D diagram showing the motherboard mounted. Figure 9 This is a 3D schematic diagram of a universal joint assembly; Figure 10 This is a 3D schematic diagram of the counterweight box assembly.

[0019] Figure label: 1-Support column assembly, 11-Adjusting cylinder, 12-Adjusting screw, 13-Locking pin, 14-Mounting base, 15-Rotating handle, 2-Support arm assembly, 21-Upper crossbar, 22-Diagonal vertical bar, 23-Lower crossbar, 24-Connecting part, 25-Positioning hole, 26-Hinge piece, 3-Adjustable plate assembly, 31-Adjustable main plate, 32-Adjustable hole, 33-Reinforcing plate, 34-Limit pin, 35-Fasting hole, 4-Hanging plate assembly, 41-Hanging ear plate, 42- 43-Connecting main board, 44-U-shaped part, 45-First locking hole, 46-Hanging main board, 47-Snap-fit ​​part, 48-Second locking hole, 5-Connecting hole, 5-Universal joint assembly, 51-Universal joint shaft, 52-Universal joint main board, 53-Connecting ear plate, 54-Rotating shaft, 6-Counterweight box assembly, 61-Box body, 62-Universal wheel, 63-Mounting plate, 64-Rotating bearing, 65-Counterweight block, 66-Door panel, 7-Engineering clamp, 8-Upper reinforcing bar, 9-Lower reinforcing bar. DETAILED DESCRIPTION

[0020] In the construction of a certain nuclear power project, in order to meet the flexible adjustment requirements of the support height and angle in different construction scenes, the heavy equipment auxiliary support device for building construction is used for construction, as shown in the drawings. Figures 1-10

[0021] In this embodiment, the heavy equipment auxiliary support device for building construction comprises a foundation, which can be a concrete precast block or a steel plate foundation, and a slip-resistant pattern or an anchor hole can be added to the bottom to enhance the overall stability. A support column assembly 1 is arranged on the foundation, a support arm assembly 2 is hingedly connected to the top end of the support column assembly 1, an adjustable main plate 31 assembly is connected between the support column assembly 1 and the support arm assembly 2, a mounting main plate 45 assembly is arranged at one end of the top of the support arm assembly 2, a universal joint assembly 5 is arranged at one end of the bottom of the support arm assembly 2, and a counterweight box assembly 6 is rotatably connected to the universal joint assembly 5.

[0022] The support arm assembly 2 is shaped like a Z, and the Z-shaped structure of the support arm assembly 2 can be formed by high-strength steel welding. The design of the inclined vertical rod 22 can disperse the stress and reduce the bending moment. The end of the upper cross rod 21 of the support arm assembly 2 is rotatably connected to the mounting main plate 45 assembly, the lower surface of the upper cross rod 21 is shaped into a surface with a hole connection part 24, the hole connection part 24 is hingedly connected to the top end of the support column assembly 1, the inclined vertical rod 22 of the support arm assembly 2 is arranged obliquely, a positioning hole 25 is formed in the middle upper part of the inclined vertical rod 22, the positioning hole 25 is connected to the middle part of the support column assembly 1 through the adjustable main plate 31 assembly, and the end of the lower cross rod 23 of the support arm assembly 2 is provided with a hinged piece 26, which is rotatably connected to the universal joint assembly 5.

[0023] In this embodiment, the bottom of the support column assembly 1 is fixedly connected to the surface of the foundation, the support column assembly 1 comprises a mounting seat 14, an adjusting screw 12 is arranged on the mounting seat 14, a rotating handle 15 is arranged at the bottom of the adjusting screw 12, and an adjusting cylinder 11 is sleeved with the adjusting screw 12. The mounting seat 14 can be arranged on the ground, the foundation or the steel mesh, and a small aperture pad plate needs to be added when arranged on the steel mesh. The adjusting cylinder 11 and the adjusting screw 12 are screw-connected, the height of the support column assembly 1 is changed by changing the screwing depth of the adjusting screw 12, a locking pin 13 is arranged on the adjusting cylinder 11 for fastening, wherein the adjusting screw 12 can be designed with a trapezoidal thread to improve the self-locking property and the carrying capacity. In addition, a scale ruler can be added to the outer wall of the adjusting cylinder 11 to facilitate accurate control of the height, and the adjustment range is 500mm-1200mm.

[0024] ​In this embodiment, the adjustable main plate 31 assembly is two parallel adjustable main plates 31, and the adjustable main plate 31 assembly further comprises a reinforcing plate 33 connected between the two parallel adjustable main plates 31. The reinforcing plate 33 and the adjustable main plate 31 can be connected by bolts or welded, forming an H-shaped support structure. The H-shaped structure significantly enhances the torsional stiffness, preventing the adjustable main plate 31 from lateral deformation under load. The adjustable main plate 31 is uniformly provided with adjustable holes 32 near one end of the inclined vertical rod 22, and is detachably connected with the inclined vertical rod 22 through a limiting pin 34 passing through the adjustable hole 32. The other end of the adjustable main plate 31 is provided with a fastening hole 35, which is hinged with the support column assembly 1.

[0025] In this embodiment, the mounting main plate 45 assembly is detachably connected with the engineering clamp 7. The working end of the engineering clamp 7 is connected with the upper steel bar 8 and the lower steel bar 9 respectively, so as to realize the butt joint between the upper steel bar 8 and the lower steel bar 9. The mounting main plate 45 assembly comprises a mounting ear plate 41 hinged to the top of the support arm assembly 2, a connecting main plate 42 integrally formed with the mounting ear plate 41, and a mounting main plate 45 connected with the connecting main plate 42 by clamping. The side of the connecting main plate 42 away from the mounting ear plate 41 is formed with a U-shaped piece 43, and the side of the mounting main plate 45 close to the connecting main plate 42 is formed with a clamping piece 46. The U-shaped piece 43 and the clamping piece 46 are clamped and connected. The first locking hole 44 is formed below the U-shaped piece 43 of the connecting main plate 42, and the second locking hole 47 is formed below the clamping piece 46 of the mounting main plate 45. The locking pin 13 passes through the first locking hole 44 and the second locking hole 47 in sequence to fix the connecting main plate 42 and the mounting main plate 45. The locking pin 13 can be designed as an automatic locking structure with a spring ball to prevent accidental falling. The mounting main plate 45 is provided with connecting holes 48 on the surface, and the distribution position of the holes corresponds to the fixed nodes of the engineering clamp 7. The connecting holes 48 are round holes or round groove holes. The round groove holes can be designed as arc-shaped long holes, allowing the engineering clamp 7 to adjust the installation position within a certain range, and can adapt to the installation hole distance of different specifications of the clamp, enhancing the versatility.

[0026] In this embodiment, the universal joint assembly 5 includes a universal joint shaft 51 connected to the counterweight box assembly 6, a connecting lug plate 53 symmetrically arranged on both sides of the universal joint shaft 51, and a rotating shaft 54 hinged to the connecting lug plate 53; wherein the universal joint shaft 51 realizes the rotation of the support arm assembly 2 in the horizontal direction, the universal wheel 62 has a brake function and can be upgraded to an electric drive wheel to realize short-distance movement, the rotating shaft 54 realizes the rotation of the support arm assembly 2 in the vertical direction, and the bidirectional rotation function allows the support arm assembly 2 to fine-tune the posture during construction to avoid stress concentration; the counterweight box assembly 6 includes a box body 61, a universal wheel 62 arranged at the bottom of the box body 61, a mounting plate 63 arranged on the side wall of the box body 61, a rotating bearing 64 arranged in the mounting plate 63, a counterweight block 65 arranged inside the box body 61, and a storage space for temporarily storing construction tools, and a door plate 66 hinged to one side of the box body 61 for opening and closing; wherein the rotating bearing 64 is rotatably connected with the universal joint shaft 51; the counterweight block 65 is arranged correspondingly in the counterweight box assembly 6, and the weight of the counterweight block 65 is matched with the construction counterweight of the engineering equipment.

[0027] In combination Figures 1-10 The application method of the heavy equipment auxiliary support platform for building construction is further described in detail as shown in the following specific steps: Step 1, determine the specifications of the engineering clamp 7 according to the diameters and lengths of the upper and lower steel bars 8 and 9; determine the length of the support arm assembly 2 and the preset height of the support column assembly 1 according to the butt joint positions of the upper and lower steel bars 8 and 9; and determine the weight of the counterweight block 65 and the inclination angle of the support arm assembly 2 in combination with the construction operation requirements of the engineering clamp 7.

[0028] Step 2, assemble the support arm assembly 2 and the support column assembly 1, fixedly connect the mounting seat 14 with the base surface, and hingedly connect the upper cross bar 21 with the top end of the support column assembly 1, change the rotation depth of the adjusting lead screw 12 by rotating the handle 15 to change the height of the support column assembly 1 to the preset height.

[0029] Step 3, pre-connect the adjustable plate assembly 3, temporarily hinge the end with the adjustable hole 32 to the inclined vertical rod 22 through the limiting pin 34, and hinge and fix the end away from the adjustable hole 32 to the adjusting sleeve; wherein the pre-connection strength of the adjustable main plate 31 meets the working range of the engineering clamp 7.

[0030] Step 4, respectively install the mounting plate assembly 4, the universal joint assembly 5, the counterweight box assembly 6 and the engineering tongs 7; the mounting main plate 45 and the connecting main plate 42 are connected through the U-shaped piece 43 and the clamping piece 46, the locking pin 13 is sequentially inserted through the first locking hole 44 and the second locking hole 47 to position the connecting main plate 42 and the mounting main plate 45, the mounting plate assembly 4 is hinged to the top of the upper cross bar 21 through the mounting ear plate 41; the end of the lower cross bar 23 is rotationally connected with the rotating shaft 54; the rotating bearing 64 is rotationally connected with the universal joint shaft 51; the engineering tongs 7 are installed on the mounting main plate 45 through the connecting hole 48, and the working end of the engineering tongs 7 is connected with the upper steel bar 8 and the lower steel bar 9 to be constructed; wherein the load bearing specification of the box body 61 meets the working range of the engineering tongs 7.

[0031] Step 5, disassemble the limiting pin 34, release the pre-connected state of the adjustable plate assembly 3, pre-connect the engineering tongs 7, select the appropriate adjustable hole 32 according to the balance of the auxiliary support device, and then remove the engineering tongs 7 according to the determined adjustable hole 32, and then adjust and install the limiting pin 34 to realize the fixed connection of the adjustable main plate 31.

[0032] Step 6, after the fixed connection of the adjustable main plate 31, the counterweight block 65 corresponding to the construction operation requirement of the engineering tongs 7 is arranged in the box body 61, and the engineering tongs 7 are formally fixed and connected, and finally the heavy equipment auxiliary support device for building construction is formed.

[0033] In addition, when the engineering equipment is an electric chisel hammer or other heavy machinery, the construction machinery is fixed and installed through the mounting plate assembly 4, and the height required by the applied machinery construction, the construction range and the counterweight are used to fix and install and use the heavy equipment auxiliary support device for building construction through the above method.

[0034] The above only describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any changes or replacements within the technical range disclosed by the present application should be covered within the protection scope of the present application.

Claims

1. An auxiliary support device for heavy machinery used in construction, characterized in that, It includes a support column assembly (1), a support arm assembly (2) hinged to the top of the support column assembly (1), an adjustable plate assembly (3) connected between the support column assembly (1) and the support arm assembly (2), a mounting plate assembly (4) disposed at one top end of the support arm assembly (2), a universal joint assembly (5) disposed at one bottom end of the support arm assembly (2), and a counterweight box assembly (6) rotatably connected to the other end of the universal joint assembly (5). The support arm assembly (2) is Z-shaped and includes an upper horizontal bar (21), a diagonal vertical bar (22) connected to the upper horizontal bar (21), and a lower horizontal bar (23) connected to the bottom of the diagonal vertical bar (22). Among them, the extended end of the upper crossbar (21) is rotatably connected to the mounting plate assembly (4), and the bottom fixed end of the upper crossbar (21) is hinged to the top of the support column assembly (1); The upper middle part of the diagonal vertical rod (22) is connected to the middle part of the support column assembly (1) through the adjustable plate assembly (3); The support arm assembly (2), the support column assembly (1), and the adjustable plate assembly (3) form an adjustable triangular frame; The adjustable plate assembly (3) includes two parallel adjustable main plates (31), an adjustable hole (32) provided on each adjustable main plate (31), and a limiting pin (34) passing through the adjustable hole (32). Adjustable holes (32) are provided at one end of the adjustable main board (31) near the inclined vertical rod (22). The adjustable holes (32) are spaced apart and the length is designed to adapt to the adjustable length. The other end of the adjustable main board (31) is hinged to the support column assembly (1). The counterweight box assembly (6) is equipped with a counterweight block (65), and the weight of the counterweight block (65) is matched with the construction counterweight of the engineering equipment.

2. The auxiliary support device for heavy machinery used in construction according to claim 1, characterized in that, The support column assembly (1) includes a mounting base (14), an adjusting screw (12) disposed on the mounting base (14), a rotating handle (15) passing through the bottom of the adjusting screw (12), and an adjusting cylinder (11) sleeved with the adjusting screw (12). The adjusting cylinder (11) and the adjusting screw (12) are threaded together, and the height of the threaded connection is adapted to the adjustment height of the support column assembly (1).

3. The auxiliary support device for heavy machinery used in construction according to claim 2, characterized in that, The adjustable plate assembly (3) also includes a reinforcing plate (33), which is connected between two parallel adjustable main plates (31); The reinforcing plate (33) is set at long intervals on the adjustable main plate (31).

4. The auxiliary support device for heavy machinery used in construction according to claim 3, characterized in that, The engineering equipment includes engineering clamps (7), and the mounting plate assembly (4) is detachably connected to the engineering clamps (7). The working end of the engineering clamps (7) is connected to the upper steel bar (8) and the lower steel bar (9) to be constructed, so as to realize the connection between the upper steel bar (8) and the lower steel bar (9).

5. The auxiliary support device for heavy machinery used in construction according to claim 4, characterized in that, The mounting plate assembly (4) includes a mounting ear plate (41) hinged to the top of the support arm assembly (2), a connecting main plate (42) integrally formed with the mounting ear plate (41), and a mounting main plate (45) snapped into the connecting main plate (42). Among them, a U-shaped part (43) is formed on the side of the connecting motherboard (42) away from the mounting ear plate (41), and a snap-fit ​​part (46) is formed on the side of the mounting motherboard (45) close to the connecting motherboard (42). The U-shaped part (43) and the snap-fit ​​part (46) are snap-fit ​​connected.

6. The auxiliary support device for heavy machinery used in construction according to claim 5, characterized in that, A first locking hole (44) is provided below the U-shaped part (43), and a second locking hole (47) is provided at the corresponding position below the clip (46) of the mounting motherboard (45). The locking pin (13) passes through the first locking hole (44) and the second locking hole (47) in sequence to fix the motherboard (42) and the mounting motherboard (45).

7. The auxiliary support device for heavy machinery used in construction according to claim 6, characterized in that, The mounting motherboard (45) has connection holes (48) on its surface, and the distribution of the connection holes (48) corresponds to the fixing points on the engineering clamp (7); Among them, the connecting hole (48) is a round hole or a round groove hole.

8. The auxiliary support device for heavy machinery used in construction according to claim 7, characterized in that, The universal joint assembly (5) includes a universal joint shaft (51) that is plugged into and horizontally arranged with the counterweight box assembly (6), a universal joint main board (52) connected to the universal joint shaft (51), connecting lugs (53) that are connected to the universal joint main board (52) and symmetrically arranged on both sides of the universal joint shaft (51), and a rotating shaft (54) that is hinged between the upper and lower connecting lugs (53) and vertically arranged. Among them, the universal joint shaft (51) enables the support arm assembly (2) to rotate in the horizontal direction, and the rotating shaft (54) enables the support arm assembly (2) to rotate in the vertical direction.

9. The auxiliary support device for heavy machinery used in construction according to claim 8, characterized in that, The counterweight box assembly (6) includes a box body (61), casters (62) disposed at the bottom of the box body (61), a mounting plate (63) disposed on the side wall of the box body (61), a rotating bearing (64) disposed in the mounting plate (63), and a counterweight block (65) disposed inside the box body (61). Among them, the rotating bearing (64) is rotatably connected to the universal joint shaft (51).

10. A method for applying the auxiliary support device for heavy machinery used in construction as described in claim 9, characterized in that, The specific steps are as follows: Step 1: Determine the specifications of the engineering clamp (7) during construction based on the diameter and length of the upper reinforcing bar (8) and the lower reinforcing bar (9); determine the length of the support arm assembly (2) and the preset height of the support column assembly (1) based on the docking position of the upper reinforcing bar (8) and the lower reinforcing bar (9); determine the weight of the counterweight (65) and the tilt angle of the support arm assembly (2) in combination with the construction operation requirements of the engineering equipment. Step 2: Assemble the support arm assembly (2) and the support column assembly (1), fix the mounting base (14) to the foundation surface, and hinge the upper crossbar (21) to the top of the support column assembly (1). Change the screw depth of the adjusting screw (12) by rotating the handle (15) to change the height of the support column assembly (1) to the preset height. Step 3: Pre-connect the adjustable plate assembly (3), and temporarily hinge the end where the adjustable hole (32) is located to the inclined vertical rod (22) by means of the limiting pin (34), and hinge the end away from the adjustable hole (32) to the adjusting sleeve for fixation; wherein, the pre-connection strength of the adjustable main plate (31) meets the working range of the engineering clamp (7); Step 4: Install the mounting plate assembly (4), universal joint assembly (5), counterweight box assembly (6), and engineering clamps (7) respectively; connect the mounting main board (45) and the connecting main board (42) with the U-shaped piece (43) and the snap-fit ​​piece (46) respectively; pass the locking pin (13) through the first locking hole (44) and the second locking hole (47) in sequence to position the connecting main board (42) and the mounting main board (45); and connect the mounting plate assembly (45) with the mounting ear plate (41). The upper crossbar (21) is hinged to the top; the lower crossbar (23) is rotatably connected to the rotating shaft (54); the rotating bearing (64) is rotatably connected to the universal joint shaft (51); the engineering clamp (7) is installed on the mounting main board (45) through the connecting hole (48), and the working end of the engineering clamp (7) is correspondingly connected to the upper steel bar (8) and the lower steel bar (9) to be constructed; wherein, the load-bearing capacity of the box (61) meets the working range of the engineering clamp (7); Step 5: Remove the limiting pin (34), release the pre-connection state of the adjustable plate assembly (3), pre-connect the engineering clamp (7), select the appropriate adjustable hole (32) according to the balance of the auxiliary support device, and then remove the engineering clamp (7) according to the determined adjustable hole (32) and then readjust the installation limiting pin (34) to achieve the fixed connection of the adjustable main plate (31). Step 6: After the adjustable main board (31) is fixedly connected, a counterweight (65) is set inside the box (61) to determine the weight of the corresponding engineering clamp (7) according to the construction operation requirements, and the engineering clamp (7) is formally fixedly connected, thus forming a heavy machinery auxiliary support device for construction.

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