A mobile gouging device

Abstract

The utility model relates to road building equipment technical field and disclose a movable gouging device, including organism, set up gouging head in the organism bottom and install operation handle on the organism upper end, one side of the organism is provided with the pulley support, be provided with two support columns on the pulley support, the support column is provided with the guide rod through, the guide rod is equipped with the gas duct, the pulley support is far from the organism one side vertical and is penetrated and has the adjusting screw rod, the adjusting screw rod with the pulley support screw connection, the lower end rotation of adjusting screw rod is connected with universal wheel assembly. The utility model can reduce the manpower investment and the vibration harm, protect the worker health, promote the operation convenience, be suitable for the operation construction under the complex scene.

Description

Technical Field

[0001] This utility model relates to the field of road construction equipment technology, specifically a movable roughening device. Background Technology

[0002] A surface roughening machine is a type of equipment used for concrete surface treatment. Its main function is to remove protrusions and debris from the concrete surface through mechanical vibration, thereby enhancing the adhesion between new and old concrete layers. It is widely used in bridges, tunnels, and building construction. There are two main types of existing surface roughening equipment: tracked and handheld. Tracked roughening machines use power to drive multiple sets of chisels to rotate at high speed for efficient roughening, but these are bulky, expensive to manufacture, and difficult to operate in confined spaces or complex conditions. Handheld roughening machines are typically operated by workers and use pneumatic or electric power to drive the chisels to vibrate at high frequencies for surface treatment. Handheld roughening machines offer flexibility but require high operational intensity. The high-frequency vibration necessitates continuous gripping by workers, requiring at least four people to maintain continuous operation. Prolonged exposure to high-frequency resonance can easily lead to occupational diseases such as hand numbness and muscle strain, seriously affecting the health of construction workers.

[0003] Chinese patent CN204435228U discloses a semi-automatic device for roughening bridge concrete, consisting of a power source, a triangular steel bar support, a handle, and a pneumatic drill. The handle is fixed to the triangular steel bar support, and the pneumatic drill is mounted on the handle. A duct connects the pneumatic drill and the power source. This patent has a simple structure, low cost, and high efficiency. However, it relies solely on the triangular steel bar support to drive the pneumatic drill, lacking flexibility. It is more suitable for roughening large, flat horizontal surfaces such as bridge decks, and its adaptability is insufficient in complex scenarios such as uneven ground, resulting in a significant decrease in stability. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a movable chiseling device that can reduce manpower input and vibration injuries, protect workers' health, and improve ease of operation, making it suitable for construction work in complex scenarios.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a movable chiseling device, comprising a body, a chiseling head disposed at the bottom of the body, and an operating handle mounted on the upper end of the body. A pulley bracket is disposed on one side of the body, and two support columns are disposed on the pulley bracket. A guide rod is disposed through the support column, and an air guide tube is disposed inside the guide rod. An adjusting screw is vertically disposed on the side of the pulley bracket away from the body. The adjusting screw is threadedly connected to the pulley bracket, and a universal wheel assembly is rotatably connected to the lower end of the adjusting screw.

[0006] The aforementioned structural design allows for quick assembly and disassembly of the pulley bracket and the machine body, enhancing the portability and stability of the chiseling operation. The pulley bracket employs a triangular mechanical structure to evenly distribute the impact force of the chiseling head to the ground, preventing operational deviations caused by single-point force application. It also reduces the manual gripping effort, addressing the high manpower requirements of traditional handheld devices that require multiple operators. Adjusting the screw controls the height of the casters, allowing the chiseling head to adapt to different uneven surfaces, ensuring operational stability and improving chiseling uniformity.

[0007] Preferably, the pulley bracket has two slots vertically arranged at one end near the machine body, and a locking block is fixedly connected to the machine body at a position relative to the slots, with the slots and the locking block cooperating with each other.

[0008] With the above structural design, the pulley bracket is snapped into the machine body via a slot, overcoming the limitations of traditional handheld devices that rely on multiple people for support. The pulley bracket can be quickly assembled and disassembled, making operation convenient. The snap-fit ​​design allows the pulley bracket to be quickly detached from the machine body, facilitating the replacement of the chisel head or the repair of internal components.

[0009] Preferably, several fixing rings are equidistantly arranged inside the guide rod along its length, and the air guide tube is fixed inside the guide rod by the fixing rings.

[0010] With the above structural design, the air duct is embedded inside the guide rod through a fixing ring, avoiding the air duct from being exposed, tangled, worn, or interfered with by vibration.

[0011] Preferably, the caster wheel assembly includes a steering bracket rotatably connected to the lower end of the adjusting screw, a wheel body rotatably connected inside the steering bracket, a positioning hole on the adjusting screw, a locking hole on the steering bracket, a plurality of braking holes equidistantly arranged on the wheel body along the circumference, and a locking device provided on the outer side of the steering bracket, the locking device including two positioning pins, one positioning pin extending into the positioning hole, and the other positioning pin extending into the locking hole and the braking hole.

[0012] With the above structural design, when the brake hole and the locking hole are aligned, the locking device can be inserted to simultaneously lock the rotation of the wheel and the swing of the steering bracket, maintaining zero displacement under high-frequency vibration conditions and significantly improving operational stability.

[0013] Preferably, the upper end of the adjusting screw is provided with a rotating handle.

[0014] With the above structural design, the height of the adjusting screw can be quickly adjusted by rotating the handle, avoiding the inefficiency of traditional equipment that requires tools for adjustment, and improving the adaptability to complex terrain operations.

[0015] Compared with the prior art, this utility model provides a sol tank device for accelerating the dissolution of colloids, which has the following beneficial effects: The pulley bracket is quick-release and detachable from the machine body, improving the portability and stability of the chiseling operation. The pulley bracket employs a triangular mechanical structure to evenly transmit the impact force of the chiseling head to the ground, avoiding operational deviations caused by single-point force application. It also reduces the manual gripping effort, addressing the high manpower requirements of traditional handheld devices that require multiple people to operate. The adjustable screw controls the height of the casters, allowing the chiseling head to adapt to different uneven surfaces, ensuring operational stability and improving chiseling uniformity. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of the body of this utility model; Figure 3 This is a schematic diagram of the pulley bracket of this utility model; Figure 4 This is a schematic diagram of the structure of the adjusting screw and universal wheel assembly of this utility model; Figure 5 This is a schematic diagram of the installation of the locking device of this utility model; Figure 6 This is a schematic diagram of the internal structure of the guide rod of this utility model; Figure 7 This is a schematic diagram of the locking device of this utility model. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1 to 7 This utility model provides a movable chiseling device, including a body 1, a chiseling head 2 located at the bottom of the body 1, and an operating handle 3 installed at the upper end of the body 1. An anti-slip sleeve is fitted onto the operating handle 3. A pulley bracket 4 is located on one side of the body 1, and two support columns 5 are mounted on the pulley bracket 4. A guide rod 6 passes through the support column 5, and an air guide tube 7 passes through the guide rod 6. Two adjusting screws 9 are vertically inserted through the pulley bracket 4 on the side away from the body 1. The adjusting screws 9 are threadedly connected to the pulley bracket 4, and a universal wheel assembly 10 is rotatably connected to the lower end of each adjusting screw 9. The adjusting screw 9 vertically passes through a threaded hole (using a trapezoidal thread to prevent vibration and loosening) in the middle of the pulley bracket 4, with a rotating handle 12 fixed to its upper end and the universal wheel assembly 10 connected to its lower end via a bearing.

[0019] The pulley bracket 4 has two slots 8 vertically arranged at one end near the body 1. A locking block 11 is fixedly connected to the body 1 at a position relative to the slots 8, and the slots 8 and the locking block 11 cooperate with each other.

[0020] Several fixing rings 13 are equidistantly arranged along the length of the guide rod 6, and the air guide pipe 7 is fixed inside the guide rod 6 by the fixing rings 13. One end of the air guide pipe 7 is installed on the body 1, and the other end of the air guide pipe 7 is connected to an air compressor. The air source of the body 1 delivers high-pressure gas to the chisel head 2 through the air guide pipe 7. The air pipe passes through the entire length of the guide rod 6 and is constrained equidistantly by the fixing rings 13.

[0021] The universal wheel assembly 10 includes a steering bracket 102 rotatably connected to the lower end of the adjusting screw 9. A wheel body 101 is rotatably connected inside the steering bracket 102. The adjusting screw 9 has a positioning hole 14, and the steering bracket 102 has a locking hole 15. Several braking holes 16 are equidistantly arranged along the circumference of the wheel body 101. A locking device 17 is provided on the outside of the steering bracket 102. The locking device 17 includes two positioning pins 171. One positioning pin 171 extends into the positioning hole 14, and the other positioning pin 171 extends into the locking hole 15 and the braking hole 16.

[0022] A rotating handle 12 is provided at the upper end of the adjusting screw 9. The rotating handle 12 can drive the adjusting screw 9 to rise and fall, causing the caster wheel assembly 10 to lift off or touch the ground, adapting to uneven ground. The height of the adjusting screw 9 can be quickly adjusted by rotating the handle 12, avoiding the inefficiency of traditional equipment that requires tools for adjustment, and improving adaptability when working on complex terrain.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art 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 appended claims and their equivalents.

Claims

1. A movable chiseling device, comprising a body (1), a chiseling head (2) disposed at the bottom of the body (1), and an operating handle (3) mounted on the upper end of the body (1), characterized in that: A pulley bracket (4) is provided on one side of the body (1). Two support columns (5) are provided on the pulley bracket (4). A guide rod (6) is provided through the support column (5). An air guide pipe (7) is provided inside the guide rod (6). An adjusting screw (9) is vertically provided on the side of the pulley bracket (4) away from the body (1). The adjusting screw (9) is threadedly connected to the pulley bracket (4). A universal wheel assembly (10) is rotatably connected to the lower end of the adjusting screw (9).

2. The movable chiseling device according to claim 1, characterized in that: The pulley bracket (4) has two slots (8) arranged vertically at one end near the body (1). A snap-fit ​​block (11) is fixedly connected to the body (1) at a position relative to the slots (8). The slots (8) and the snap-fit ​​block (11) cooperate with each other.

3. The movable chiseling device according to claim 1, characterized in that: Several fixing rings (13) are equidistantly arranged inside the guide rod (6) along its length direction, and the air guide tube (7) is fixed inside the guide rod (6) through the fixing rings (13).

4. A movable chiseling device according to claim 1, characterized in that: The universal wheel assembly (10) includes a steering bracket (102) rotatably connected to the lower end of the adjusting screw (9). A wheel body (101) is rotatably connected inside the steering bracket (102). A positioning hole (14) is provided on the adjusting screw (9). A locking hole (15) is provided on the steering bracket (102). Several braking holes (16) are provided equidistantly along the circumference on the wheel body (101). A locking device (17) is provided on the outside of the steering bracket (102). The locking device (17) includes two positioning pins (171). One positioning pin (171) extends into the positioning hole (14), and the other positioning pin (171) extends into the locking hole (15) and the braking hole (16).

5. A movable chiseling device according to claim 1, characterized in that: The upper end of the adjusting screw (9) is provided with a rotating handle (12).

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