Anchoring rod cutting device

Abstract

The utility model relates to engineering construction equipment technical field more specifically to use to carry out cutting treatment's equipment to anchor rod, it includes: the length adjustable support rod, the both ends in its length direction have first rod section and second rod section respectively, first rod section is configured as can insert hole, second rod section holds for hand, plasma cutting module, it includes: install on first rod section's cutting torch group, it is configured as: to produce plasma arc and guide its action on anchor rod to carry out cutting, feed system, it is independently with support rod setting, and it is configured as: through feeding pipeline links with cutting torch group to provide the current and gas needed for cutting torch group to produce plasma arc. To form has: the working condition of adapting anchor rod in support engineering, to be able to more conveniently carry out cutting to anchor rod to the anchor rod cutting equipment of promotion whole support engineering construction efficiency.

Description

Technical Field

[0001] This utility model relates to the field of engineering construction equipment technology, and more specifically to equipment for cutting anchor bolts. Background Technology

[0002] In the field of shield tunneling / TBM support engineering, self-drilling anchor bolts are typically used to stabilize and reinforce the surrounding rock. During construction, a positioning conduit needs to be pre-installed, and then the self-drilling anchor bolt is driven through the conduit and into the surrounding rock to complete the subsequent reinforcement process.

[0003] However, after the anchor bolt is reinforced, there is often an excess part protruding from the surface of the surrounding rock at its tail end. This part not only affects the flatness of the construction surface, but also hinders the construction process of subsequent support works. Therefore, it is necessary to cut and remove the protruding part to ensure the smooth implementation of subsequent processes.

[0004] Currently, the cutting operation of the aforementioned anchor bolt tail ends mainly relies on existing cutting equipment. However, the existing equipment is difficult to adapt to the installation posture, spatial position and structural characteristics of the anchor bolt under this specific working condition, resulting in high difficulty and cumbersome operation of the anchor bolt cutting operation. This not only consumes a lot of working time, but also seriously reduces the construction efficiency of the overall support project. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing an anchor bolt cutting device that is adapted to the working conditions of anchor bolts in support engineering, enabling more convenient cutting of anchor bolts and thus improving the overall construction efficiency of support engineering.

[0006] The overall technical solution of this utility model is as follows:

[0007] This utility model addresses the problem that anchor bolt cutting is difficult in support engineering, thus affecting the overall construction efficiency of the support project. Specifically:

[0008] During the construction of shield tunneling / TBM support projects, anchor bolts need to be driven and anchored through positioning pipes. However, after the anchor bolts are anchored, the limited space inside the positioning pipes makes it difficult for operators to enter the pipes to cut off the excess parts of the anchor bolts. This makes the cutting operation difficult and cumbersome, which not only consumes a lot of time but also seriously reduces the overall construction efficiency of the support project.

[0009] Based on this, the present invention proposes an anchor cutting device for cutting anchor bolts by inserting them into a channel. The device is designed to be adapted to the working conditions of anchor bolts in support engineering, so as to cut anchor bolts more conveniently and thus improve the overall construction efficiency of support engineering.

[0010] Specifically, the anchor bolt cutting equipment includes:

[0011] An adjustable-length support rod has a first section and a second section at its two ends along its length. The first section is configured to be inserted into a channel, and the second section is for hand gripping.

[0012] The plasma cutting module includes:

[0013] The cutting torch assembly installed on the first rod section is configured to generate a plasma arc and guide it to act on the anchor rod for cutting.

[0014] The feeding system, which is independent of the support rod, is configured to be connected to the torch assembly via a feeding line to provide the torch assembly with the current and gas required to generate the plasma arc.

[0015] The above solution achieves high efficiency through the targeted design of the support rod and plasma cutting module: the support rod adopts an adjustable segmented structure, with the first segment inserted into the positioning pipe channel and the second segment for gripping. This overcomes the limitations of the channel space, allowing operators to control the cutting position without reaching into the channel, and adapts to different hole depths. The length of the support rod can be adjusted according to requirements to suit different hole depth environments. In the plasma cutting module, combining the advantages of high efficiency and high precision of plasma cutting, the cutting torch assembly is directly installed on the first segment. It can move close to the anchor rod along the segment to achieve precise and rapid cutting, ensuring a flat cutting surface and reducing anchor rod deformation. The independently set material supply system stably delivers current and gas to the cutting torch assembly through pipelines, which avoids excessive weight of the equipment, facilitates operation, and allows for separate maintenance, reducing costs. Overall, it significantly improves the convenience and efficiency of anchor rod cutting, ensuring the progress and quality of support engineering construction.

[0016] In some embodiments, the support rod has a hollow cavity forming a wiring channel through which the feed line connects the torch assembly and the feeding system. By making the support rod hollow to form a wiring channel and allowing the feed line to pass through this channel to connect the torch assembly and the feeding system, the following effects are achieved: First, it effectively protects the feed line from damage by the external environment, ensures stable current and gas delivery, and guarantees reliable operation of the plasma cutting module; second, it eliminates the risk of blockage between the pipe and the inner wall of the channel, ensuring smooth insertion of the support rod into the channel; and third, it makes the feed line layout neat and does not interfere with the operator's grip and operation of the support rod, improving overall operational convenience.

[0017] In some embodiments, the support rod includes: a first member and a second member;

[0018] The first member and the second member each have a first segment, and the other member has a second segment;

[0019] The first rod is inserted into the second rod, and the second rod is rotatably connected to a first adjusting sleeve fitted on the first rod;

[0020] A threaded connection is formed between the first adjusting sleeve and the first rod to enable:

[0021] By turning the first adjusting sleeve in the forward / reverse direction, the first rod is driven to insert into / pull out of the second rod, thereby achieving the length adjustment of the support rod.

[0022] It provides a specific and executable length adjustment structure. The operator only needs to turn the first adjustment sleeve in the forward or reverse direction to drive the first rod to insert or pull out the second rod. The adjustment operation is convenient and can achieve precise length control. Moreover, the threaded connection structure has a certain self-locking characteristic, which can ensure that the first rod and the second rod are firmly connected after the support rod is adjusted, avoiding relative loosening, ensuring the positional stability of the cutting torch assembly on the first rod section, and improving the cutting alignment accuracy.

[0023] In some embodiments, the support rod includes: a first rod, a second rod, and one or more third rods disposed between the first rod and the second rod;

[0024] The first member and the second member each have a first segment, and the other member has a second segment;

[0025] Any two adjacent rods are inserted together, and one of the inserted rods is rotatably connected to a second adjusting sleeve fitted on the other rod. The second adjusting sleeve and the other rod are connected by a thread, so that the length of the support rod can be adjusted by turning the second adjusting sleeve.

[0026] The support rod structure, composed of multiple rods, significantly expands the range of length adjustment for the support rods. It can accommodate both deeper holes (through the extension of multiple rods) and shallower holes (through the contraction of multiple rods), greatly improving the equipment's adaptability and versatility for different hole depths. At the same time, adjacent rods are adjusted by threads and plugged in to ensure the overall stability of the multi-rod connection, avoiding loosening problems caused by the increase in the number of rods and ensuring stable cutting operations.

[0027] In some embodiments, a winch with a rotatable rope shaft is provided on the second rod segment;

[0028] A pull rope is wound on the winch shaft, one end of which is connected to the first rod segment, so that when the support rod extends, the pull rope is pulled out from the winch along with it to provide sling support to the first rod segment in a manner that matches the length of the support rod.

[0029] By using a rope to create an upward lifting support force on the first rod segment, the self-weight of the first rod segment and the cutting torch assembly is effectively offset, preventing the first rod segment from sagging and ensuring that the cutting torch assembly is always in the preset cutting position, thus improving cutting alignment accuracy. It can also better prevent the first rod segment from sagging and getting stuck on the inner wall of the channel, ensuring that the support rod is smoothly inserted into the channel. Furthermore, it can balance the force on the joint between the first and second rods to a certain extent, reducing structural wear and extending the service life of the equipment.

[0030] Furthermore, in some embodiments, the winch has an outwardly protruding handle connected to the winch shaft and configured for hand gripping, so as to drive the winch shaft to rotate or not rotate by applying force to the handle.

[0031] The handle provides the operator with a clear point of force application. By holding the handle, the operator can easily drive the rope shaft to rotate, enabling quick adjustment of the rope length and adapting to the extension and retraction of the support rod. The operator can also lock the rope shaft by continuously holding the handle to prevent it from rotating on its own, ensuring that the rope always maintains a stable tension, guaranteeing the stability of the first rod segment, and improving the reliability of the cutting operation.

[0032] In some embodiments, a protective cover is also connected to the support rod. This protective cover is configured to surround the cutting torch assembly on its outer periphery and has openings to allow the plasma arc generated by the cutting torch assembly to pass. By setting up the protective cover, the cutting torch assembly is physically protected, preventing it from colliding with debris in the channel and ensuring the structural integrity and positional stability of the cutting torch assembly.

[0033] In some implementations, a camera is connected to the first segment, and the camera is configured to capture images of the plasma arc forming area of ​​the cutting torch assembly;

[0034] The anchor bolt cutting device also has a display that is electrically connected to the camera via a signal cable and can display the images captured by the camera.

[0035] The camera can capture real-time images of the cutting torch assembly and anchor rod inside the duct, and the monitor presents the images intuitively to the operator, allowing the operator to grasp the cutting area without having to reach into the duct. Based on the visual display, the operator can precisely adjust the position of the support rod and quickly align the cutting torch assembly with the part to be cut, reducing the number of adjustments and improving work efficiency.

[0036] Furthermore, in some embodiments, the support rod has a hollow cavity with a wiring channel through which the signal cable passes to connect the camera and the display. By utilizing the hollow wiring channel inside the support rod to route the signal cable, the signal cable can be effectively protected from external damage, ensuring stable transmission of image signals and reliable visualization functions. It also reduces the risk of the cable getting stuck against the inner wall of the channel, ensuring smooth insertion of the support rod into the channel. Additionally, it allows for neater cable arrangement, minimizing interference with operator work and improving ease of use.

[0037] Furthermore, in some embodiments, the camera is configured to be detachably fixed to the support rod via a detachable connection structure. This facilitates quick removal and replacement of the camera in case of damage, eliminating the need for repair or replacement of the support rod, thus reducing maintenance costs and shortening maintenance cycles.

[0038] The main beneficial effects of the above technical solution are as follows:

[0039] Adaptable to different hole depths, the adjustable-length support rod (first section inserted into the hole, second section for gripping) overcomes spatial limitations, allowing for efficient and high-precision plasma cutting of anchor bolts in the hole without requiring operators to reach into it. When using this anchor bolt cutting equipment, the difficulty of the cutting operation is reduced, thereby improving the convenience and efficiency of anchor bolt cutting and enhancing the overall construction efficiency of the support project. Attached Figure Description

[0040] The present invention will be further described below with reference to the accompanying drawings:

[0041] Figure 1 This is a schematic diagram showing the usage status of the anchor bolt cutting equipment.

[0042] Figure 2 This is a schematic diagram of a support rod structure.

[0043] Figure 3 for Figure 2 An enlarged schematic diagram of part A in the middle.

[0044] Figure 4 This is a schematic diagram of another structure for the support rod.

[0045] Figure 5 This is a schematic diagram of the overall structure of an anchor bolt cutting device with a winch.

[0046] Figure 6 This is a schematic diagram of the overall structure of an anchor bolt cutting device with a camera.

[0047] Figure 7 This is a schematic diagram of the torch assembly installation structure. Detailed Implementation

[0048] The present invention will be illustrated with specific examples below:

[0049] Example 1:

[0050] Anchor bolt cutting equipment is used to cut anchor bolts (a) by inserting it into the borehole. For example, see attached... Figure 1 As shown, it is used to insert into the hole of the positioning pipe b in order to cut the anchor rod a housed in the hole.

[0051] As attached Figure 1 As shown, the anchor bolt cutting device in this embodiment includes a length-adjustable support rod 1, with a first rod segment 1.1 and a second rod segment 1.2 at its two ends along its length. When the length of the support rod 1 changes, the first rod segment 1.1 and the second rod segment 1.2 move closer to each other or separate from each other. The first rod segment 1.1 is configured to match the diameter of the borehole so that it can be inserted into the borehole; the second rod segment 1.2 is provided for gripping.

[0052] For support rod 1, see attached Figure 2 To be continued Figure 3 As shown, the support rod 1 may include: a first rod 1a and a second rod 1b.

[0053] Either the first member 1a or the second member 1b has a first segment 1.1, and the other has a second segment 1.2; for example, attached Figure 2 As shown, the upper end of the first member 1a is provided with a first member segment 1.1, and the lower end of the second member 1b is provided with a second member segment 1.2.

[0054] The lower end of the first rod 1a is inserted into the second rod 1b, and the second rod 1b is rotatably connected to the first adjusting sleeve 1b.1, which is fitted onto the first rod 1a.

[0055] A threaded connection structure is formed between the first adjusting sleeve 1b.1 and the first rod 1a, that is, the outer periphery of the first rod 1a is provided with an external thread, and the inner wall of the hole of the second rod 1b for the first rod 1a to be inserted is provided with an internal thread that is threadedly connected to the external thread.

[0056] By rotating the first adjusting sleeve 1b.1 in the forward direction, the first rod 1a is driven to insert into the second rod 1b, thereby shortening the length of the support rod 1.

[0057] By twisting the first adjusting sleeve 1b.1 to rotate in the opposite direction, the first rod 1a is pulled out from the second rod 1b, thereby extending the length of the support rod 1.

[0058] Or, as attached Figure 4As shown, referring to the above telescopic structure, the support rod 1 may also include: a first rod 1a, a second rod 1b, and one or more third rods 1c disposed between the first rod 1a and the second rod 1b.

[0059] In this configuration, either the first member 1a or the second member 1b has a first segment 1.1, and the other has a second segment 1.2. (For example, see attached...) Figure 4 As shown, the upper end of the first member 1a has a first segment 1.1, and the lower end of the second member 1b has a second segment 1.2.

[0060] Any two adjacent rods are interlocked, and one of the interlocked rods is rotatably connected to a second adjusting sleeve (refer to the structure of the first adjusting sleeve 1b.1 described above) that is fitted onto the other rod. The second adjusting sleeve is threadedly connected to the other rod. In this case, referring to the structure of the first adjusting sleeve 1b.1 described above, by turning either of the second adjusting sleeves, the adjacent two rods can be moved telescopically, thereby realizing the length adjustment of the support rod 1.

[0061] As attached Figure 1 As shown, the anchor bolt cutting equipment also includes a plasma cutting module 2 for performing plasma cutting.

[0062] The plasma cutting module 2 includes a cutting torch assembly 2.1 mounted on the first rod segment 1.1, which is configured to generate a plasma arc and guide it to act on the anchor rod a for cutting.

[0063] The plasma cutting module 2 also includes a feeding system 2.2, which is set independently of the support rod 1 and is configured to be connected to the torch assembly 2.1 via a feeding line 2.3 to provide the torch assembly 2.1 with the current and gas required to generate the plasma arc.

[0064] Specifically, for example, attached Figure 7 As shown, the cutting torch assembly 2.1 includes a nozzle 2.11 for injecting cutting gas (such as compressed air, oxygen, nitrogen, argon, etc., which are commonly used gases in plasma cutting) into the anchor rod a. The nozzle 2.11 has a nozzle electrode inside for electrical connection with the negative terminal of the power supply. The cutting torch assembly 2.1 also includes an electrode rod 2.12 connected to the positive terminal of the power supply and for contacting the anchor rod a.

[0065] As attached Figure 7 As shown, a protective cover 8 can also be connected to the support rod 1. This protective cover 8 is configured to surround the cutting torch assembly 2.1 on its outer periphery and has an opening 8.1 to avoid the plasma arc generated by the cutting torch assembly 2.1. In this case, the plasma arc generated by the cutting torch assembly 2.1 passes through the opening 8.1 and acts on the anchor rod a to perform plasma cutting on the anchor rod a.

[0066] The material supply system 2.2 includes a power supply system and a gas supply system.

[0067] The power supply system comprises a three-phase transformer, rectifier, and high-frequency arc-starting coil. It has a power line for connecting to an external AC power source and can convert AC to DC. Alternatively, the power supply system can be configured with a large-capacity battery to meet the needs of specific applications without external power. The power supply system has electrodes for outputting current; its positive terminal is electrically connected to electrode rod 2.12 via a wire, and its negative terminal is electrically connected to nozzle electrode via a wire. Turning on the power supply system provides the current required to generate the plasma arc in the cutting torch assembly 2.1.

[0068] The gas supply system includes gas cylinders containing the gases used for cutting (such as compressed air, oxygen, nitrogen, argon, etc., which are commonly used gases in plasma cutting). The gas cylinders are connected to the nozzle 2.11 via gas supply lines. Furthermore, the gas supply system may also include a gas pump that controls whether the gas from the gas cylinders is supplied to the nozzle 2.11. By activating the gas pump, the gas required to generate the plasma arc can be supplied to the cutting torch assembly 2.1.

[0069] The power supply wires that supply power to the cutting torch assembly 2.1 in the power supply system, and the gas supply pipelines that supply gas to the cutting torch assembly 2.1 in the gas supply system, together constitute the feeding pipeline 2.3 in this embodiment.

[0070] The support rod 1 may have a hollow cavity forming a wiring channel, through which a portion of the feed line 2.3 passes to connect the cutting torch assembly 2.1 and the feeding system 2.2 as described above. For example, the support rod 1 has a wiring channel inside, and the support rod 1 has several openings communicating with the channel. One opening is located near the cutting torch assembly 2.1, and another opening is located near the second section 1.2 of the support rod 1, so that the feed line 2.3 can enter and exit the wiring channel through these openings for wiring connection.

[0071] As attached Figure 5 As shown, a winch 3 can be installed on the second rod segment 1.2. The winch 3 has a rotatable rope shaft. A pull rope 4 is wound on the rope shaft. One end of the pull rope 4 is connected to the first rod segment 1.1, and the other end can be fixed to the rope shaft. When the support rod 1 extends, the pull rope 4 is pulled out from the winch 3 to provide lifting support to the first rod segment 1.1 in a manner that matches the length of the support rod 1.

[0072] At this time, the winch 3 has an outwardly protruding handle 3.1, which is connected to the winch shaft and configured for hand gripping. By applying force to the handle 3.1, the winch shaft can be rotated to release the pull rope 4, so that the pull rope 4 is pulled out of the winch 3; or, when the support rod 1 is shortened, the pull rope 4 can be wound up. By applying a fixed force to the handle 3.1, the winch shaft can also be prevented from rotating, and the pull rope 4 can provide a more stable lifting support to the first rod segment 1.1.

[0073] As attached Figure 6 As shown, a camera 5 can also be connected to the first rod segment 1.1. The camera 5 is configured to capture images of the plasma arc forming area of ​​the cutting torch assembly 2.1.

[0074] In this embodiment, the camera 5 can be detachably fixed to the support rod 1 by using common detachable connection structures such as screws or clips.

[0075] The anchor bolt cutting device also includes a display 6, which can be installed independently of the support rod 1; alternatively, if the display 6 is small, it can be mounted on the support rod 1. The display 6 is electrically connected to the camera 5 via a signal cable 7 and can display the images captured by the camera 5.

[0076] The support rod 1 can be hollowed out to form a wiring channel, through which the signal cable 7 passes to connect the camera 5 and the display 6. For example, the support rod 1 has a wiring channel inside, and the support rod 1 has several openings that communicate with the channel. One opening is located near the camera 5, and another opening is located near the second segment 1.2 of the support rod 1, so that the signal cable 7 can pass through these openings to enter and exit the wiring channel for wiring connection.

[0077] At this time, the signal connection line 7 and the feed line 2.3 can both be placed in one wiring channel, or they can be placed in different wiring channels.

[0078] When using the above-mentioned anchor bolt cutting equipment for cutting:

[0079] First, connect the display system consisting of camera 5 and monitor 6 to an external power source to turn on camera 5 and monitor 6 and start real-time video recording.

[0080] Hold the second section 1.2 of the support rod 1 and insert the first section 1.1 of the support rod 1, on which the cutting torch assembly 2.1 is installed, into the channel (e.g., the channel of the positioning pipe b) until the cutting torch assembly 2.1 moves to the position where cutting is required.

[0081] Power on the plasma cutting module 2, including turning on the power supply system and the gas supply system. This allows the cutting torch assembly 2.1 to form a plasma arc, enabling the cutting of the anchor rod a and completing the cutting process. Then, the first segment 1.1 of the support rod 1 can be pulled out of the hole.

[0082] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model. Furthermore, the terms "vertical," "horizontal," "front," and "rear," etc., mentioned in the embodiments of the present utility model, indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationships commonly used when the product is in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present utility model. It should be further noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," and "fixing" in the description should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in the present utility model according to the specific circumstances.

[0083] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An anchor bolt cutting device for inserting into a channel to cut an anchor bolt (a), characterized in that, The anchor bolt cutting equipment includes: An adjustable length support rod (1) has a first rod segment (1.1) and a second rod segment (1.2) at its two ends in the length direction, the first rod segment (1.1) being configured to be inserted into the channel, and the second rod segment (1.2) being provided for hand gripping; The plasma cutting module (2) includes: The cutting torch assembly (2.1) installed on the first rod segment (1.1) is configured to generate a plasma arc and guide it to act on the anchor rod (a) for cutting; The feeding system (2.2), which is independent of the support rod (1), is configured to be connected to the torch assembly (2.1) via a feeding line (2.3) to provide the torch assembly (2.1) with the current and gas required to generate a plasma arc.

2. The anchor bolt cutting device according to claim 1, characterized in that: The support rod (1) has a hollow cavity with a wiring channel, through which the feeding line (2.3) passes to connect the cutting torch assembly (2.1) and the feeding system (2.2).

3. The anchor bolt cutting device according to claim 1, characterized in that: The support rod (1) includes: a first member (1a) and a second member (1b); Either the first member (1a) or the second member (1b) has the first segment (1.1), and the other has the second segment (1.2). The first rod (1a) is inserted into the second rod (1b), and the second rod (1b) is rotatably connected to a first adjusting sleeve (1b.1) fitted on the first rod (1a). The first adjusting sleeve (1b.1) and the first rod (1a) are connected by a threaded structure, so as to: The length of the support rod (1) is adjusted by rotating the first adjusting sleeve (1b.1) in the forward / reverse direction, thereby driving the first rod (1a) to insert into / pull out of the second rod (1b).

4. The anchor bolt cutting device according to claim 1, characterized in that: The support rod (1) includes: a first rod (1a), a second rod (1b), and one or more third rods (1c) disposed between the first rod (1a) and the second rod (1b). Either the first member (1a) or the second member (1b) has the first segment (1.1), and the other has the second segment (1.2). Any two adjacent rods are inserted together, and one of the two inserted rods is rotatably connected to a second adjusting sleeve fitted on the other rod. The second adjusting sleeve and the other rod are connected by a thread, so that the length of the support rod (1) can be adjusted by turning the second adjusting sleeve.

5. The anchor bolt cutting device according to claim 3, characterized in that: The second rod segment (1.2) is provided with a winch (3), which has a rotatable rope shaft; A pull rope (4) is wound on the winch shaft, one end of which is connected to the first rod segment (1.1) so that when the support rod (1) is extended, the pull rope (4) is pulled out from the winch (3) to provide sling support to the first rod segment (1.1) in a length matching that of the support rod (1).

6. The anchor bolt cutting device according to claim 5, characterized in that: The winch (3) has an outwardly protruding handle (3.1) which is connected to the rope shaft and is configured for hand gripping so as to drive the rope shaft to rotate or not rotate by applying force to the handle (3.1).

7. The anchor bolt cutting device according to claim 1, characterized in that: The support rod (1) is also connected to a protective cover (8), which is configured to surround the cutting torch assembly (2.1) on the outer periphery of the cutting torch assembly (2.1) and have an opening (8.1) to avoid the plasma arc generated by the cutting torch assembly (2.1).

8. The anchor bolt cutting device according to any one of claims 1 to 7, characterized in that: A camera (5) is connected to the first rod segment (1.1), and the camera (5) is configured to capture images of the plasma arc forming area of ​​the cutting torch assembly (2.1); The anchor bolt cutting device also has a display (6), which is electrically connected to the camera (5) via a signal connection line (7) and can display the images captured by the camera (5).

9. The anchor bolt cutting device according to claim 8, characterized in that: The support rod (1) has a hollow cavity with a wiring channel, through which the signal connection line (7) passes to connect the camera (5) and the display (6).

10. The anchor bolt cutting device according to claim 8, characterized in that: The camera (5) is configured to be detachably fixed to the support rod (1) via a detachable connection structure.

Images