Heavy screw mounting auxiliary device

Abstract

The utility model discloses a heavy screw installation auxiliary device, which belongs to the technical field of heavy screw installation, and comprises a heavy screw installation assembly, a screw installation assembly and a screw installation assembly, the installation anti-deviation assembly comprises an auxiliary limiting stand column arranged on one side of the tower type bearing rod in parallel and a bearing positioning anti-deviation lantern ring with one end longitudinally connected to the peripheral side of the auxiliary limiting stand column in a sliding mode and the other end arranged on the peripheral side of the tower type bearing rod in a sleeving mode. The bearing positioning anti-deviation lantern ring is connected with the inner wall of volute seat ring concrete provided with a heavy screw through an anchor rod, centripetal clamping screws are symmetrically connected to the circumferential side of the bearing positioning anti-deviation lantern ring in a threaded and penetrating mode, and the two centripetal clamping screws are centripetally clamped to the outer wall of the circumferential side of a tower type bearing rod. The bearing positioning anti-deviation lantern ring is close to the end where the bearing table is installed, and the bearing positioning anti-deviation lantern ring is connected with volute seat ring concrete through a buffering air spring piece.

Description

Technical Field

[0001] The utility model belongs to the technical field of heavy screw installation, in particular to an auxiliary device for heavy screw installation. Background Technique

[0002] During the installation process of heavy screws, there are often problems of insufficient stability, especially for heavy screws used in large-scale water conservancy projects or industrial facilities. The existing heavy screw installation methods and technologies often have the following problems and deficiencies:

[0003] When installing heavy screws, due to the large weight of the heavy screws themselves, they are prone to deviation or shaking during the installation process, affecting the installation accuracy and stability. The existing installation devices cannot effectively prevent the deviation of heavy screws during the installation process. Especially when subjected to external forces, the heavy screws may deviate from the preset installation position. The installation auxiliary device has defects in preventing deviation and does not have sufficient measures to ensure the position of the heavy screws unchanged during the installation process. Content of the Utility Model

[0004] The purpose of the utility model is to provide an auxiliary device for heavy screw installation to solve the problems raised in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An auxiliary device for heavy screw installation, comprising:

[0006] A heavy screw installation component, including a tower-shaped load-bearing rod and an installation load-bearing platform installed at the top of the tower-shaped load-bearing rod;

[0007] An installation anti-deviation component, including an auxiliary limit column arranged in parallel on one side of the tower-shaped load-bearing rod, a concrete counterweight block fixed at the bottom end of the auxiliary limit column, and a load-bearing positioning anti-deviation collar with one end longitudinally slidably connected to the periphery of the auxiliary limit column and the other end sleeved on the periphery of the tower-shaped load-bearing rod. The load-bearing positioning anti-deviation collar is connected to the concrete inner wall of the volute seat ring for installing the heavy screw through an anchor rod;

[0008] Wherein, centripetal clamping screws are symmetrically threaded through the periphery of the load-bearing positioning anti-deviation collar and centripetally clamp the outer wall of the periphery of the tower-shaped load-bearing rod. At one end of the load-bearing positioning anti-deviation collar close to the installation load-bearing platform, the load-bearing positioning anti-deviation collar is connected to the volute seat ring concrete through a buffer air spring member. An auxiliary limit collar sleeved on the bottom end of the tower-shaped load-bearing rod is also arranged at one end of the auxiliary limit column close to the concrete counterweight block.

[0009] Preferably, a plurality of hydraulic jacks are annularly arranged on the top surface of the installation load-bearing platform. A screw rod lifting positioning disc is installed at the top end of the hydraulic jack. A receiving notch for receiving a heavy screw rod is provided on the top surface of the screw rod lifting positioning disc.

[0010] Preferably, one end of the load-bearing positioning anti-offset collar is detachably installed with a plugging limit plate through bolts. Both ends of the plugging limit plate extend outwards beyond both ends of the load-bearing positioning anti-offset collar. The anchor rods are symmetrically connected to both ends of the plugging limit plate.

[0011] Preferably, a first extended traction rod is welded to the end of the load-bearing positioning anti-offset collar facing away from the plugging limit plate. A positioning through-hole for passing through and accommodating the auxiliary limit column is provided on the top surface of the end of the first extended traction rod away from the load-bearing positioning anti-offset collar. The first extended traction rod is connected to the auxiliary limit column through a locking bolt.

[0012] Preferably, a second extended traction rod is welded to one end of the auxiliary limit collar. A positioning chute is longitudinally provided on the inner wall of the auxiliary limit column. A positioning slider for longitudinally sliding in the positioning chute is integrally connected to the end of the second extended traction rod away from the auxiliary limit collar.

[0013] Preferably, mounting ear plates are welded to the outer walls on both sides of the second extended traction rod. The mounting ear plates are dynamically connected to the auxiliary limit column through bolts.

[0014] Preferably, mounting side openings are cut and dug on the outer walls on both sides of the concrete counterweight block. A hydraulic buffer damper is installed in the inner cavity of each mounting side opening.

[0015] Preferably, a casting installation notch for accommodating the auxiliary limit column is reserved on the top surface of the concrete counterweight block. A plurality of casting steel bars are longitudinally inserted into the casting installation notch. When the auxiliary limit column is accommodated in the casting installation notch, the casting steel bars are inserted into the auxiliary limit column and solidified by concrete casting.

[0016] Compared with the prior art, the technical effects and advantages of the present utility model:

[0017] The heavy-duty screw installation auxiliary device can significantly improve the stability of the heavy-duty screw during installation by using structures such as tower-shaped load-bearing rods, installation load-bearing platforms, and installation anti-offset components. It can prevent the heavy-duty screw from shifting or shaking due to external forces, ensuring that the heavy-duty screw always maintains the correct installation position during installation, improving the installation accuracy and efficiency. The load-bearing positioning anti-offset collar adjusts the gap between the screw and the tower-shaped load-bearing rod through centripetal clamping of the screw, and further enhances the anti-offset effect through the plugging limit plate and the buffer air spring component, ensuring that the heavy-duty screw does not shift during installation, and improving the installation accuracy and stability.

[0018] By using components such as concrete counterweights and auxiliary limit columns, the stability of the overall structure is enhanced, the risk of instability caused by uneven ground or external forces is reduced, ensuring that the entire device does not tip over or move during the installation of the heavy-duty screw, and improving the safety of the operation. The combined use of the concrete counterweight and the auxiliary limit column enhances the stability of the overall structure, improves the safety of the operation, and reduces the risk caused by uneven ground or external forces. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 is a schematic structural diagram of the present invention;

[0021] Figure 2 is a schematic connection structure diagram of the load-bearing positioning anti-offset collar of the present invention;

[0022] Figure 3 is a schematic connection structure diagram of the auxiliary limit column of the present invention;

[0023] Figure 4 is a schematic structural diagram of the auxiliary limit collar of the present invention;

[0024] Figure 5 is a schematic structural diagram of the concrete counterweight of the present invention.

[0025] Description of the reference numerals:

[0026] In the figure: 1. Heavy screw installation assembly; 2. Tower-type load-bearing rod; 3. Installation load-bearing platform; 4. Screw lifting and positioning disc; 5. Hydraulic jack; 6. Auxiliary limit upright column; 7. Auxiliary limit collar; 8. Load-bearing positioning anti-offset collar; 9. Installation anti-offset assembly; 10. Plugging limit plate; 11. Anchor rod; 12. Centripetal clamping screw; 13. Buffer air spring part; 14. First extended traction rod; 15. Positioning through hole; 16. Locking hole; 17. Locking bolt; 18. Concrete counterweight block; 19. Positioning chute; 20. Hoisting ring; 21. Second extended traction rod; 22. Positioning slider; 23. Installation ear plate; 24. Pouring installation notch; 25. Pouring steel bar rod; 26. Installation side port; 27. Hydraulic buffer damper. Detailed implementation mode

[0027] In the following description, a large number of specific details are given to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some well-known technical features in the art are not described.

[0028] Unless otherwise defined, the directions such as up, down, left, right, front, back, inside and outside involved in this article are based on the up, down, left, right, front, back, inside and outside in the figures shown in the present invention, and are hereby explained together.

[0029] This embodiment provides a heavy screw installation auxiliary device as shown in Figures 1 to 5 the figure, including: a heavy screw installation assembly 1 and an installation anti-offset assembly 9;

[0030] In this embodiment, the heavy screw installation assembly 1 includes a tower-type load-bearing rod 2 and an installation load-bearing platform 3 installed at the top of the tower-type load-bearing rod 2; the installation load-bearing platform 3 is located at the top of the tower-type load-bearing rod 2 and is used to install a hydraulic jack 5 and other necessary tools, provide a platform for installing the heavy screw, and support equipment such as the hydraulic jack 5 to ensure the smoothness and accuracy during the installation of the heavy screw.

[0031] In this embodiment, the anti-offset assembly 9 includes an auxiliary limit column 6 arranged in parallel on one side of the tower-shaped load-bearing rod 2, a concrete counterweight 18 fixed to the bottom end of the auxiliary limit column 6, and a load-bearing positioning anti-offset collar 8 with one end longitudinally slidably connected to the periphery of the auxiliary limit column 6 and the other end sleeved on the periphery of the tower-shaped load-bearing rod 2. The load-bearing positioning anti-offset collar 8 is connected to the inner wall of the concrete of the volute seat ring where the heavy-duty screw is installed through an anchor rod 11. The auxiliary limit column 6 is arranged in parallel on one side of the tower-shaped load-bearing rod 2 and is used to install the concrete counterweight 18 and the auxiliary limit collar 7, increasing the stability of the overall structure, providing an additional limiting function, improving the stability of the entire device, and reducing the offset during the installation process. The anti-offset assembly 9 includes multiple components, which are used to prevent the tower-shaped load-bearing rod 2 and the entire device from offsetting during the installation process, providing multiple protection measures, ensuring the accurate installation of the heavy-duty screw, and improving the safety and accuracy of the entire installation process.

[0032] In this embodiment, centripetal clamping screws 12 are symmetrically threaded through the periphery of the load-bearing positioning anti-offset collar 8 and centripetally clamp the outer wall of the periphery of the tower-shaped load-bearing rod 2. At one end of the load-bearing positioning anti-offset collar 8 close to the installation load-bearing platform 3, the load-bearing positioning anti-offset collar 8 is connected to the volute seat ring concrete through a buffer air spring member 13. At one end of the auxiliary limit column 6 close to the concrete counterweight 18, an auxiliary limit collar 7 sleeved on the bottom end of the tower-shaped load-bearing rod 2 is further provided. The auxiliary limit collar 7 is installed at the bottom of the auxiliary limit column 6 and is used in cooperation with the bottom of the tower-shaped load-bearing rod 2 to increase the stability of the tower-shaped load-bearing rod 2, prevent its lateral movement, improve the stability of the tower-shaped load-bearing rod 2, and prevent it from offsetting during the installation process. The load-bearing positioning anti-offset collar 8 is sleeved on the periphery of the tower-shaped load-bearing rod 2 and is connected to the inner wall of the volute seat ring concrete through an anchor rod 11, preventing the tower-shaped load-bearing rod 2 from offsetting when installing the heavy-duty screw, and ensuring the verticality and stability of the tower-shaped load-bearing rod 2. The centripetal clamping screws 12 are used to adjust the distance between the load-bearing positioning anti-offset collar 8 and the tower-shaped load-bearing rod 2, adjust the position of the load-bearing positioning anti-offset collar 8 as needed, ensure its close contact with the tower-shaped load-bearing rod 2, and improve the positioning accuracy and stability of the load-bearing positioning anti-offset collar 8.

[0033] In this embodiment, multiple hydraulic jacks 5 are annularly arranged on the top surface of the installation load-bearing platform 3. The top end of the hydraulic jack 5 is installed with a screw lifting positioning disc 4, and a receiving notch for accommodating the heavy-duty screw is provided on the top surface of the screw lifting positioning disc 4.

[0034] In this embodiment, the screw lifting positioning disc 4 is located above the installation load-bearing platform 3 and is used to lift and position the heavy screw, support the heavy screw and ensure its correct position during installation, thereby improving the installation accuracy and efficiency of the heavy screw. The hydraulic jack 5 is installed on the installation load-bearing platform 3 and is used to adjust the height of the screw lifting positioning disc 4, providing the adjustment ability in the vertical direction to facilitate the precise installation of the heavy screw and ensure that the heavy screw can be accurately aligned during installation.

[0035] In this embodiment, a plugging limit plate 10 is detachably installed at one end of the load-bearing positioning anti-offset collar 8 through bolts. Both ends of the plugging limit plate 10 extend outwards beyond both ends of the load-bearing positioning anti-offset collar 8. The anchor rods 11 are symmetrically connected to both ends of the plugging limit plate 10. The plugging limit plate 10 is installed at one end of the load-bearing positioning anti-offset collar 8 and fixed by the anchor rods 11, strengthening the connection between the load-bearing positioning anti-offset collar 8 and the spiral case stay ring concrete and improving the firmness and reliability of the connection. The anchor rods 11 are used to fix the plugging limit plate 10 and the load-bearing positioning anti-offset collar 8 to the inner wall of the spiral case stay ring concrete, ensuring sufficient connection strength between the anti-offset component and the spiral case stay ring concrete and improving the stability of the overall structure. The buffer air spring member 13 is installed between the load-bearing positioning anti-offset collar 8 and the spiral case stay ring concrete to absorb the vibration and impact that may occur during installation, improving the vibration resistance and durability of the entire system.

[0036] In this embodiment, a first extended traction rod 14 is welded to the end of the load-bearing positioning anti-offset collar 8 facing away from the plugging limit plate 10. A positioning through-hole 15 for accommodating the auxiliary limit column 6 is provided on the top surface of the end of the first extended traction rod 14 away from the load-bearing positioning anti-offset collar 8. The first extended traction rod 14 is connected to the auxiliary limit column 6 through a locking bolt 17. The locking bolt 17 is used to connect the first extended traction rod 14 and the auxiliary limit column 6, providing a firm connection between the first extended traction rod 14 and the auxiliary limit column 6 and ensuring the firmness and reliability of the connection.

[0037] In this embodiment, a second extended traction rod 21 is welded to one end of the auxiliary limit collar 7. A positioning chute 19 is longitudinally provided on the inner wall of the auxiliary limit column 6. An end of the second extended traction rod 21 away from the auxiliary limit collar 7 is integrally connected with a positioning slider 22 for longitudinally sliding in the positioning chute 19. The positioning chute 19 is provided on the inner wall of the auxiliary limit column 6 for the positioning slider 22 on the second extended traction rod 21 to slide, allowing the second extended traction rod 21 to move up and down within the auxiliary limit column 6, improving the adaptability and flexibility between the auxiliary limit column 6 and the tower-type load-bearing rod 2. A lifting ring 20 is threadedly installed on the top surface of the auxiliary limit column 6. The lifting ring 20 is used for lifting operations, providing a lifting point, facilitating the installation and disassembly of the entire device, simplifying the lifting process and improving work efficiency.

[0038] In this embodiment, mounting ear plates 23 are welded to the outer walls on both sides of the second extended traction rod 21, and the mounting ear plates 23 are dynamically connected to the auxiliary limit upright column 6 through bolts. The mounting ear plates 23 are welded to both sides of the second extended traction rod 21 and are used to connect to the auxiliary limit upright column 6 through bolts, providing connection points between the second extended traction rod 21 and the auxiliary limit upright column 6 to ensure the firmness and adjustability of the connection.

[0039] In this embodiment, mounting side openings 26 are cut and excavated on the outer walls on both sides of the concrete counterweight 18. A hydraulic buffer damper 27 is installed in the inner cavity of each mounting side opening 26. A casting installation notch 24 for accommodating the auxiliary limit upright column 6 is reserved on the top surface of the concrete counterweight 18. A plurality of casting steel bars 25 are longitudinally inserted into the casting installation notch 24. When the auxiliary limit upright column 6 is accommodated in the casting installation notch 24, the casting steel bars 25 are inserted into the auxiliary limit upright column 6 and solidified by concrete casting. The concrete counterweight 18 is fixed at the bottom end of the auxiliary limit upright column 6, which is used to increase the overall weight and improve the stability, increase the weight of the auxiliary limit upright column 6, improve the stability of the entire device, and prevent the auxiliary limit upright column 6 from tilting or moving due to external forces. The casting steel bars 25 are inserted into the casting installation notch 24 and connected to the auxiliary limit upright column 6 to strengthen the connection between the auxiliary limit upright column 6 and the concrete counterweight 18 and improve the strength and durability of the connection part. The hydraulic buffer damper 27 is installed in the mounting side opening 26 of the concrete counterweight 18 to absorb external impacts and vibrations and improve the stability and durability of the entire device.

[0040] Working principle:

[0041] For this heavy-duty screw installation auxiliary device, the tower-shaped load-bearing rod 2 serves as the main load-bearing structure for supporting the weight of the entire device. The installation load-bearing platform 3 is installed at the top end of the tower-shaped load-bearing rod 2 and is used to carry components such as the hydraulic jack 5 and the screw lifting and positioning disc 4. A plurality of hydraulic jacks 5 are installed in a circumferential array on the top surface of the installation load-bearing platform 3. The screw lifting and positioning disc 4 is installed at the top end of the hydraulic jack 5 and is used to support and position the heavy-duty screw. There is a notch for accommodating the heavy-duty screw on the top surface of the screw lifting and positioning disc 4 to ensure the stability and accuracy of the screw during installation.

[0042] The auxiliary limiting upright post 6 is arranged in parallel on one side of the tower-type load-bearing rod 2, and a concrete counterweight block 18 is fixed at its bottom end, which increases the stability of the overall structure. One end of the load-bearing positioning anti-offset collar 8 is longitudinally slidably connected to the periphery of the auxiliary limiting upright post 6, and the other end is sleeved on the periphery of the tower-type load-bearing rod 2 and is connected to the concrete inner wall of the volute seat ring where the heavy-duty screw is installed through the anchor rod 11. The centripetal clamping screw 12 symmetrically threadedly penetrates and connects to the periphery of the load-bearing positioning anti-offset collar 8 and centripetally clamps on the outer peripheral wall of the tower-type load-bearing rod 2 to adjust and maintain the distance between the two, ensuring the stability and anti-offset effect of the tower-type load-bearing rod 2. The buffer air spring member 13 elastically connects the load-bearing positioning anti-offset collar 8 and the volute seat ring concrete to absorb possible vibrations or impact forces. The sealing limiting plate 10 is detachably installed at one end of the load-bearing positioning anti-offset collar 8 through bolts, and both ends thereof extend outwards beyond the two ends of the load-bearing positioning anti-offset collar 8 and are connected to the volute seat ring concrete through the anchor rod 11 to enhance the stability of the overall structure.

[0043] The auxiliary limiting collar 7 is sleeved on the bottom end of the tower-type load-bearing rod 2 and is used in cooperation with the auxiliary limiting upright post 6 to increase the stability of the tower-type load-bearing rod 2. The auxiliary limiting collar 7 is connected to the auxiliary limiting upright post 6 through the second extension traction member 21 and can longitudinally slide in the positioning chute 19 in the auxiliary limiting upright post 6 to adapt to tower-type load-bearing rods 2 of different lengths. One end of the first extension traction member 14 is welded to the end of the load-bearing positioning anti-offset collar 8 facing away from the sealing limiting plate 10, and a positioning through-hole 15 for the auxiliary limiting upright post 6 to penetrate is provided on the top surface of the other end, and it is connected to the auxiliary limiting upright post 6 through the locking bolt 17. One end of the second extension traction member 21 is welded to one end of the auxiliary limiting collar 7, and the other end longitudinally slides in the positioning chute 19 of the auxiliary limiting upright post 6 through the positioning slider 22 to adapt to different installation requirements. A locking hole 16 communicating with the positioning through-hole 15 is provided on the outer wall of the free end of the first extension traction member 14, and the locking bolt 17 is threadedly connected to the locking hole 16.

[0044] The concrete counterweight block 18 is fixed at the bottom end of the auxiliary limiting upright post 6, and a pouring installation notch 24 is reserved on its top surface for accommodating the auxiliary limiting upright post 6. A plurality of pouring steel bars 25 are longitudinally inserted into the pouring installation notch 24. When the auxiliary limiting upright post 6 is accommodated in the pouring installation notch 24, the pouring steel bars 25 are inserted into the auxiliary limiting upright post 6 and solidified by concrete pouring to enhance the stability of the overall structure. The hydraulic buffer damper 27 is installed in the installation side opening 26 of the concrete counterweight block 18 and can effectively absorb vibrations or impacts caused by external factors and reduce the influence on the entire device.

[0045] It should be noted that in this text, relational terms such as "one" and "two" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0046] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A heavy-duty screw installation auxiliary device, characterized in that, Comprising: A heavy-duty screw installation assembly (1), including a tower-type load-bearing rod (2) and an installation load-bearing platform (3) installed at the top of the tower-type load-bearing rod (2); An installation anti-offset assembly (9), including an auxiliary limit column (6) arranged in parallel on one side of the tower-type load-bearing rod (2), a concrete counterweight (18) fixed to the bottom end of the auxiliary limit column (6), and a load-bearing positioning anti-offset collar (8) with one end longitudinally slidably connected to the periphery of the auxiliary limit column (6) and the other end sleeved on the periphery of the tower-type load-bearing rod (2). The load-bearing positioning anti-offset collar (8) is connected to the concrete inner wall of the volute seat ring for installing the heavy-duty screw through an anchor rod (11); Wherein, centripetal clamping screws (12) are symmetrically threaded through and connected to the periphery of the load-bearing positioning anti-offset collar (8). The two centripetal clamping screws (12) centripetally clamp on the outer wall of the periphery of the tower-type load-bearing rod (2). At one end of the load-bearing positioning anti-offset collar (8) close to the installation load-bearing platform (3), the load-bearing positioning anti-offset collar (8) is connected to the volute seat ring concrete through a buffer air spring member (13). An auxiliary limit collar (7) sleeved on the bottom end of the tower-type load-bearing rod (2) is also provided at one end of the auxiliary limit column (6) close to the concrete counterweight (18).

2. The heavy-duty screw installation auxiliary device according to claim 1, characterized in that: A plurality of hydraulic jacks (5) are annularly arrayed and installed on the top surface of the installation load-bearing platform (3). A screw lifting positioning disc (4) is installed at the top end of the hydraulic jack (5). A receiving notch for accommodating the heavy-duty screw is provided on the top surface of the screw lifting positioning disc (4).

3. The heavy-duty screw installation auxiliary device according to claim 2, wherein: One end of the load-bearing positioning anti-offset collar (8) is detachably installed with a sealing limit plate (10) through bolts. Both ends of the sealing limit plate (10) extend outwards beyond both ends of the load-bearing positioning anti-offset collar (8). The anchor rods (11) are symmetrically connected to both ends of the sealing limit plate (10).

4. The heavy-duty screw installation auxiliary device according to claim 3, characterized in that: A first extended traction rod (14) is welded to one end of the load-bearing positioning anti-offset collar (8) facing away from the sealing limit plate (10). A positioning through-hole (15) for penetrating and accommodating the auxiliary limit column (6) is provided on the top surface of the end of the first extended traction rod (14) far from the load-bearing positioning anti-offset collar (8). The first extended traction rod (14) is connected to the auxiliary limit column (6) through a locking bolt (17).

5. The heavy-duty screw installation auxiliary device according to claim 4, characterized in that: A second extended traction rod (21) is welded to one end of the auxiliary limit collar (7). A positioning chute (19) is longitudinally opened on the inner wall of the auxiliary limit column (6). A positioning slider (22) for longitudinally sliding in the positioning chute (19) is integrally connected to the end of the second extended traction rod (21) far from the auxiliary limit collar (7).

6. The auxiliary device for installing a heavy-duty screw according to claim 5, characterized in that: Mounting ear plates (23) are welded to both outer walls of the second extended traction rod (21). The mounting ear plates (23) are dynamically connected to the auxiliary limit column (6) through bolts.

7. An auxiliary device for installing a heavy-duty screw according to claim 6, characterized in that: Installation side openings (26) are cut and dug on both outer walls of the concrete counterweight (18). A hydraulic buffer damper (27) is installed in the inner cavity of each installation side opening (26).

8. The auxiliary device for installing a heavy-duty screw according to claim 7, characterized in that: A casting and installation notch (24) for accommodating the auxiliary limiting column (6) is reserved on the top surface of the concrete counterweight block (18). A plurality of casting steel bars (25) are longitudinally inserted into the casting and installation notch (24). When the auxiliary limiting column (6) is accommodated in the casting and installation notch (24), the casting steel bars (25) are inserted into the auxiliary limiting column (6) and solidified by concrete casting.

Images