Simple special pipe wrench for air shield dam

By designing a simple special pipe wrench for air shield dams, the problem of installing the extra-long anchor bolt caps of air shield dams was solved, an efficient and lightweight installation method was achieved, and construction costs and labor intensity were reduced.

CN223383394UActive Publication Date: 2025-09-26TIELIN ERFAN RUBBER R & D CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420376361.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-29
Publication Date
2025-09-26
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

The installation of large-diameter, high-torque extra-long anchor bolt caps for air shield dams requires multiple sets of tools and is inefficient. The size and weight cause inconvenience to construction workers and are also limited by site conditions.

Method used

A simple special pipe wrench for air shield dam is designed, which includes a pipe wrench metal cylindrical tube and an outer circle inner hexagonal pipe wrench head, which are connected by full welding. It has a simple and lightweight structure and is used for installing the anchor bolt cap of the air shield dam to ensure uniform force.

Benefits of technology

It realizes efficient and lightweight bolt cap installation, reduces labor intensity and engineering costs, and meets the installation requirements of large diameters and large torques.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223383394U_ABST
    Figure CN223383394U_ABST
Patent Text Reader

Abstract

The utility model discloses a simple special pipe wrench for an air shield dam, which is characterized in that a pipe wrench is provided with a metal cylinder, the upper section of the metal cylinder is provided with a pipe wrench circular force application hole which is vertical and penetrates through the metal cylinder, and the lower section of the metal cylinder is connected with an outer-circle inner-hexagonal pipe wrench head; when the anchoring bolt cap of the air shield dam is installed and constructed, the special pipe wrench for the air shield dam is vertically and downwards sleeved on the bolt cap, then a force application rod with enough strength is inserted into the force application hole of the pipe wrench, and the round rod is rotated to screw the anchoring bolt cap. The simple wrench for the special pipe of the air shield dam is scientific and reasonable in design, simple in structure, easy to manufacture and convenient and easy to use, and solves the installation problem of a large-diameter and large-torque extra-long anchor bolt cap of the air shield dam.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to a special pipe wrench for a simple air shield dam, belonging to the technical field of water-blocking and hydraulic facility installation tools. Background Art

[0002] Dams are crucial modern water conservancy facilities, significantly impacting and benefiting the national economy and people's livelihoods. Currently, movable air shield dams are particularly popular within the industry, with water retaining heights reaching as high as 8 meters. However, the installation of long, large-diameter, high-torque anchor bolt caps presents a significant challenge. Several sets of tools and auxiliary casings, which must be constantly replaced, pose significant inconvenience to construction workers due to their size and weight. Even installing a single bolt cap requires multiple personnel, resulting in significant inefficiency and limited site space. Utility Model Content

[0003] In view of this, the utility model aims to propose a simple special pipe wrench for air shield dam, which has a simple structure, light weight, easy and convenient operation, and high work efficiency, and solves the installation problem of the extra-long anchor bolt cap of the air shield dam with large diameter and large torque; ensures that the bolt cap is evenly stressed during installation, solves the human factor and labor intensity; at the same time, its production process is simple and the production cost is low.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A simple special pipe wrench for air shield dam comprises a pipe wrench metal cylindrical barrel 1, an upper portion of which is provided with a pipe wrench circular force hole 2 which is vertical and passes through the metal cylindrical barrel 1, and a lower portion of which is connected with an outer circle inner hexagonal pipe wrench head 3.

[0006] The circular force-applying hole 2 of the pipe wrench is prepared by drilling a transparent circular hole of a set diameter on the upper vertical surface of the metal cylindrical tube 1 of the pipe wrench with a drill bit, and then carefully grinding it to remove metal residues.

[0007] The outer hexagonal tube wrench head 3 connected to the lower section of the metal cylindrical tube 1 is manufactured by cutting an outer hexagonal plate from a thick metal plate and then fully welding it to the tube wrench metal cylindrical tube 1.

[0008] There are two types of full welding: 1) by inserting the outer hexagonal tube wrench head 3 into the lower section of the metal cylindrical tube 1 of the tube wrench, double full welding line welding is performed; 2) by single full welding line butt welding the outer hexagonal tube wrench head 3 and the lower end edge of the metal cylindrical tube 1 of the tube wrench.

[0009] When installing the anchor bolt cap of an air shield dam, the simple special pipe wrench for air shield dams is simply placed vertically downward onto the bolt cap. A sufficiently strong force rod (4) is inserted into the pipe wrench's circular force hole (2). The rod is then rotated to tighten the anchor bolt cap. This simple special pipe wrench for air shield dams features a scientific and rational design, a simple structure, lightweight construction, ease of manufacture, ease of use, and high efficiency. It solves the installation challenges of large-diameter, high-torque, and extra-long anchor bolt caps for air shield dams. It ensures uniform force on the bolt cap during installation, reducing the risk of human error and labor intensity. Furthermore, its production process is simple and cost-effective.

[0010] The advantages and effects of the utility model are:

[0011] 1) The utility model is a simple special pipe wrench for air shield dams, which has the advantages of simple structure, light weight, beautiful appearance, simple installation, disassembly, maintenance, transportation and storage, and strong practicality, and can meet the installation requirements of special long anchor bolt caps of air shield dams with large diameter and large torque.

[0012] 2) The product manufacturing process of the utility model is simple, the production efficiency is high, the raw materials are easily available, and the cost is low.

[0013] 3) The product of the utility model is used for the installation of extra-long anchor bolt caps of large-caliber and large-torque air shield dams. The installation method is simple, light and precise, which saves engineering costs and improves the quality of the installation project. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the utility model's simple air shield dam special pipe wrench (double full welding).

[0015] Figure 2 This is a schematic diagram of the special pipe wrench combination for the simple air shield dam of the utility model.

[0016] Figure 3 The utility model is a schematic top view of the outer circle and inner hexagonal pipe wrench head of the simple air shield dam special pipe wrench.

[0017] Figure 4 This is a schematic diagram of a single full weld of the utility model's simple air shield dam special pipe wrench.

[0018] Figure 1 Markings: 1-Metal cylindrical tube of pipe wrench, 11-Full weld line, 2-Circular force hole of pipe wrench, 3-External and internal hexagonal pipe wrench head. DETAILED DESCRIPTION

[0019] The following is combined with Figures 1 to 4 The utility model is further described in detail with examples.

[0020] Obviously, the embodiments described are only representative embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In the description of this utility model, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the attached Figures 1 to 4 The orientations or positional relationships shown are merely for the purpose of simplifying the description of the present invention and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, all dimensions are measured from the centerline.

[0022] Example 1

[0023] A certain province built an air shield dam with a water retaining height of 8 meters and a length of 60 meters. The utility model's simple air shield dam special pipe wrench was used to solve the installation problem of the extra-long anchor bolt cap of the air shield dam with large diameter and high torque.

[0024] like Figures 1 to 3 As shown, the special pipe wrench includes a metal cylindrical tube 1 for a pipe wrench. The upper section of the metal cylindrical tube 1 has a circular force hole 2 for a pipe wrench that is vertical and passes through the metal cylindrical tube 1. The lower section of the metal cylindrical tube 1 is sleeved with an outer hexagonal pipe wrench head 3.

[0025] The material of the simple air shield dam special pipe wrench is Cr-V steel.

[0026] The surface of the outer circle inner hexagonal pipe wrench head 3 is chrome-plated.

[0027] The lower section of the metal cylindrical tube 1 is connected to an outer circle inner hexagonal tube wrench head 3 by inserting the outer circle inner hexagonal tube wrench head 3 into the lower section of the metal cylindrical tube 1 and welding it with double full welding lines from the inside.

[0028] The size of the simple air shield dam special pipe wrench is matched with the M100 bolt cap.

[0029] When using the special pipe wrench for the simple gas shield dam, put the special pipe wrench vertically downward onto the bolt cap, then insert a force rod 4 of sufficient strength into the force hole 2 of the pipe wrench, and rotate the force rod to lock and remove the anchor bolt cap.

[0030] Example 2

[0031] An air shield dam with a water retaining height of 4.5 meters and a length of 45 meters adopts the simple air shield dam special pipe wrench of the utility model.

[0032] The material of the simple air shield dam special pipe wrench is special steel 45#.

[0033] The size of the simple air shield dam special pipe wrench is matched with the M52 bolt cap.

[0034] Except for the above changes, the rest is the same as Example 1.

[0035] Example 3

[0036] An air shield dam with a water retaining height of 3.5 meters and a length of 408 meters adopts the simple air shield dam special pipe wrench of the utility model.

[0037] The material of the simple air shield dam special pipe wrench is carbon steel Q355B.

[0038] The pipe wrench metal cylindrical tube 1 of the simple air shield dam special pipe wrench is fully butt-welded to the outer hexagonal pipe wrench head 3 by single full welding, that is, by fully welding the upper end of the outer hexagonal pipe wrench head 3 to the lower end of the pipe wrench metal cylindrical tube 1.

[0039] The size of the simple air shield dam special pipe wrench is matched with the M48 bolt cap.

[0040] Except for the above changes, the rest is the same as Example 1.

[0041] The utility model discloses a simple special pipe wrench for air shield dam, which has the advantages of simple structure, light weight, beautiful appearance, simple installation, disassembly, maintenance, transportation and storage, and strong practicality, and can meet the installation requirements of extra-long anchor bolt caps for air shield dams with large diameter and large torque; the product manufacturing process is simple, the production efficiency is high, the raw materials are easily available, and the cost is low; the installation construction method for extra-long anchor bolt caps for air shield dams with large diameter and large torque is simple, light and precise, which saves engineering costs and ensures good installation engineering quality.

[0042] The utility model forms a new economic growth point, serves as a reference for the design and manufacturing of relevant theories, material application and installation of wrenches used for air shield dams and large-diameter, large-torque extra-long bolts, and has important social and economic benefits.

[0043] The above embodiments are representative implementations of the present invention, but the present invention is not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the essence and principles of the present invention are equivalent replacement schemes and should be included in the scope of protection of the present invention.

Claims

1. A simple air shield dam special pipe wrench, which is characterized by the pipe The wrench metal cylindrical tube (1) has a vertical pipe wrench circular force hole (2) on the upper section of the metal cylindrical tube (1) and penetrates the metal cylindrical tube; the lower section of the metal cylindrical tube is connected with an outer circle inner hexagonal pipe wrench head (3); the material thereof includes: Cr-V steel or special steel 45# or carbon steel Q355B; the outer circle inner hexagonal pipe wrench head (3) and the pipe wrench metal cylindrical tube (1) can be connected by single-butt full welding or insertion double full welding.

2. A simple air shield dam special pipe wrench according to claim 1, characterized in that the pipe The circular force-applying hole (2) of the wrench is a transparent circular hole drilled on the upper vertical surface of the metal cylindrical tube (1) by a drill bit.

3. A simple air shield dam special pipe wrench according to claim 1, characterized in that The outer circle inner hexagonal pipe wrench head (3) connected to the lower section of the metal cylindrical tube (1) is manufactured by cutting an outer circle inner hexagonal plate from a thick metal plate and is fully welded to the pipe wrench metal cylindrical tube (1).